Role of caffeic acid in mitigating salt stress in plants
•Download as PPT, PDF•
0 likes•127 views
This document discusses the role of caffeic acid in mitigating salt stress in plants. Caffeic acid is a natural antioxidant found in many plant species that appears to be an effective plant regulator against abiotic stresses like salinity. It acts as a powerful reactive oxygen species scavenger under salt stress, improving plant morphology, physiology, water relations, and antioxidant enzyme and ion homeostasis. The document reviews how caffeic acid can reduce sodium accumulation, increase chlorophyll content, improve antioxidant enzyme activity, enhance water relations, and help regulate stomatal conductance under salt stress conditions.
Report
Share
Report
Share
Recommended
Role of Silicon in Alleviating Biotic and Abiotic Stresses in Plants
1) Silicon plays an important role in alleviating biotic and abiotic stresses in plants. It provides strength to cell walls and improves growth, health, and productivity.
2) Silicon is taken up by plants through monosilicic acid and polysilicic acid in the soil. It accumulates in leaves and other organs. Gene research has identified silicon transporters that allow for uptake in rice.
3) Applying silicon enhances plant resistance to diseases and pests. It acts as a physical barrier on plant surfaces and boosts the plant's defenses. Silicon application increases crop yields and quality.
Avs role of silica in plant disease management
This document discusses the role of silica in plant disease management. It begins by introducing silicon as the second most abundant element in the earth's crust that is readily taken up by many plants. The document then provides a history of research on silicon's role in rice resistance to blast disease. It reviews the effects of silicon in decreasing susceptibility to fungal pathogens and abiotic stresses. Case studies demonstrate that silicon applications reduce disease severity in rice, sugarcane, cucumber and soybeans. The document concludes that silicon has potential to significantly decrease susceptibility to diseases and stresses in many plants.
Phsiological role na si cl
Chlorine is an essential micronutrient that participates in physiological processes in plants like photosynthesis, osmoregulation, and stomatal regulation. It plays a role in oxygen evolution in photosystem II and stimulates enzymes involved in starch conversion and nitrogen metabolism. Sodium and chloride help regulate osmotic pressure in cells and sodium is required for carbon fixation in C4/CAM plants. Silicon increases rice crop yield by keeping leaves erect, enhancing disease and pest resistance, improving water use efficiency, and reducing lodging. It acts as a structural component deposited in cell walls and leaves.
Presentation Complete NV
Plant Tuff Silicon Fertilizer is a precision-blended fertilizer product containing silicon (Si), calcium, magnesium, manganese, and iron. It provides silicon, which is beneficial for plant health by enhancing strength, promoting photosynthesis, and improving tolerance to stresses. The product also adjusts soil pH and improves nutrient availability and uptake. Research at LSU has shown Plant Tuff increases wheat yields and resistance to stress through silicon uptake, and reduces lodging in crops through strengthened stalks and roots. The product offers benefits over traditional lime in adjusting pH faster and improving plant productivity and stress tolerance through silicon.
Salt stressRole of Organelle Membranes in Salt Stress Sensing and Signalling ...
Soil salinity is a major environmental constraint to crop production, affecting an estimated 45 million hectares of irrigated land, and is expected to increase due to global climate changes and as a consequence of many irrigation practices. The deleterious effects of salt stress on agricultural yield are significant, mainly because crops exhibit slower growth rates, reduced tillering and, over months, reproductive development is affected.
sulfur fertilizer source and forms
The document discusses sulfur as a plant nutrient, including its sources, forms in soil, and factors affecting its availability. Sulfur exists in both inorganic and organic forms in soil, and is taken up by plants primarily as sulfate ions. Its availability is influenced by soil properties like texture, pH, organic matter, and redox conditions. Sulfur deficiency can limit plant growth, so fertilization may be needed to maintain sufficient levels for crop production.
Sulphur
ppt about role of soil sulphur in plants, their toxicity and deficiency symptoms and their corrective measures
Recommended
Role of Silicon in Alleviating Biotic and Abiotic Stresses in Plants
1) Silicon plays an important role in alleviating biotic and abiotic stresses in plants. It provides strength to cell walls and improves growth, health, and productivity.
2) Silicon is taken up by plants through monosilicic acid and polysilicic acid in the soil. It accumulates in leaves and other organs. Gene research has identified silicon transporters that allow for uptake in rice.
3) Applying silicon enhances plant resistance to diseases and pests. It acts as a physical barrier on plant surfaces and boosts the plant's defenses. Silicon application increases crop yields and quality.
Avs role of silica in plant disease management
This document discusses the role of silica in plant disease management. It begins by introducing silicon as the second most abundant element in the earth's crust that is readily taken up by many plants. The document then provides a history of research on silicon's role in rice resistance to blast disease. It reviews the effects of silicon in decreasing susceptibility to fungal pathogens and abiotic stresses. Case studies demonstrate that silicon applications reduce disease severity in rice, sugarcane, cucumber and soybeans. The document concludes that silicon has potential to significantly decrease susceptibility to diseases and stresses in many plants.
Phsiological role na si cl
Chlorine is an essential micronutrient that participates in physiological processes in plants like photosynthesis, osmoregulation, and stomatal regulation. It plays a role in oxygen evolution in photosystem II and stimulates enzymes involved in starch conversion and nitrogen metabolism. Sodium and chloride help regulate osmotic pressure in cells and sodium is required for carbon fixation in C4/CAM plants. Silicon increases rice crop yield by keeping leaves erect, enhancing disease and pest resistance, improving water use efficiency, and reducing lodging. It acts as a structural component deposited in cell walls and leaves.
Presentation Complete NV
Plant Tuff Silicon Fertilizer is a precision-blended fertilizer product containing silicon (Si), calcium, magnesium, manganese, and iron. It provides silicon, which is beneficial for plant health by enhancing strength, promoting photosynthesis, and improving tolerance to stresses. The product also adjusts soil pH and improves nutrient availability and uptake. Research at LSU has shown Plant Tuff increases wheat yields and resistance to stress through silicon uptake, and reduces lodging in crops through strengthened stalks and roots. The product offers benefits over traditional lime in adjusting pH faster and improving plant productivity and stress tolerance through silicon.
Salt stressRole of Organelle Membranes in Salt Stress Sensing and Signalling ...
Soil salinity is a major environmental constraint to crop production, affecting an estimated 45 million hectares of irrigated land, and is expected to increase due to global climate changes and as a consequence of many irrigation practices. The deleterious effects of salt stress on agricultural yield are significant, mainly because crops exhibit slower growth rates, reduced tillering and, over months, reproductive development is affected.
sulfur fertilizer source and forms
The document discusses sulfur as a plant nutrient, including its sources, forms in soil, and factors affecting its availability. Sulfur exists in both inorganic and organic forms in soil, and is taken up by plants primarily as sulfate ions. Its availability is influenced by soil properties like texture, pH, organic matter, and redox conditions. Sulfur deficiency can limit plant growth, so fertilization may be needed to maintain sufficient levels for crop production.
Sulphur
ppt about role of soil sulphur in plants, their toxicity and deficiency symptoms and their corrective measures
Silicon Importance on Aliviating Biotic and Abiotic Stress on Sugarcane
Silicon Importance on Aliviating Biotic and Abiotic Stress on SugarcaneCTBE - Brazilian Bioethanol Sci&Tech Laboratory
Event / Evento: II Workshop on Sugarcane Physiology for Agronomic Applications
Speaker / Palestrante: Gaspar H. Korndörfer (Federal University of Uberlândia)
Date / Data: Oct, 29-30th 2013 / 29 e 30 de outubro de 2013
Place / Local: CTBE/CNPEM Campus, Campinas, Brazil
Event Website / Website do evento: www.bioetanol.org.br/sugarcanephysiologyPhysiological mechanisms of salt tolerance in Tomato
Salinity is one of the most important abiotic stresses, limiting crop production in arid and semi-arid regions, where soil salt content is naturally high. According to the FAO land and nutrition management service (2008), over 16 percent of the world’s land is affected by either salinity or sodicity which accounts for more than 800 million ha of land (CSSIR, 2016). The common cations associated with salinity are Na+, SO+34 Ca2+ and Mg2+, while the common anions are Cl- and HCO3-. Salinity occurs through natural or human induced processes that result in the accumulation of dissolved salts in the soil water to an extent that inhibits plant growth. There is competition for fresh water among the municipal, industrial and agricultural sectors in several regions. The consequence has been a decreased allocation of fresh water to agriculture. For this reason there is increasing pressure to irrigate with water of certain salt content like ground water, drainage water and treated waste water. Various causes of salinity over globe and how plants response to their suboptimal and toxic doses along with tolerance strategies has illustrated.
Salt stress in fruit
The document discusses salt stress in perennial fruit plants. It notes that salt stress affects 7% of the world's land area and is a problem for agricultural lands that are heavily irrigated. Salt stress can reduce plant germination, photosynthesis, vegetative growth, and reproductive growth/yield. Plants have developed various tolerance mechanisms including salt avoidance, exclusion, excretion, and osmotic adjustment using organic solutes and antioxidant defenses. Traditional approaches to managing salt stress include better irrigation practices and leaching excess salts from soils. Developing salt tolerant rootstocks and fruit varieties through conventional and biotechnological methods can also help cope with salt stress.
Salt Index - Liquid vs Granular Fertilizer
Granular fertilizers can cause higher salt concentrations in soil solutions compared to liquid fertilizers due to requiring more water to dissolve. High salt concentrations can decrease seed germination or damage seedlings. The salt index expresses the increase in osmotic pressure of a fertilizer solution relative to sodium nitrate, with higher analysis fertilizers having a lower salt index. Excessive soluble salts from sources like poor irrigation water, over-fertilization, or high salt growing media can inhibit plant growth and cause leaf tip burn or root damage. Managing salt levels involves using well-draining media, leaching salts, adjusting fertilizer and irrigation based on water quality, and maintaining adequate moisture.
Muhammad usman
The document discusses the phosphorus cycle and transformations of phosphorus within soil. It notes that phosphorus is essential for life but cannot exist as a gas, and its cycle is the slowest. Within soil, microbes play an important role in mineralizing organic phosphorus compounds into a form plants can absorb through enzymes. They also solubilize insoluble phosphates and precipitate phosphorus compounds. The transformations involve acids, gases, chelators and are impacted by pH, calcium, magnesium, iron and aluminum levels.
Salinity
This document discusses breeding for salinity tolerance in crops. It notes that salinity is a major factor limiting crop productivity, affecting 6% of the world's land and 20% of irrigated areas. Salinity reduces water availability to plants and can cause ion toxicity. The document outlines various mechanisms of salt tolerance in plants, including osmolyte synthesis, ion pumps and transporters, reactive oxygen species management, and signaling pathways. It discusses conventional breeding approaches and their limitations, as well as modern non-conventional approaches like molecular breeding and transgenics. Overall, the document provides an overview of the challenges of soil salinity for agriculture and different strategies for developing salt-tolerant crop varieties.
Sulfur cycle , madhuri singh
biogeochemical cycle involves different cycles. In this, sulfur cycle is explained in comprehend language.
Sulphur cycle
Sulphur is the most abundant element in the universe. It is a yellow, brittle, odorless and tasteless non-metallic element that is solid at room temperature. Sulphur is necessary for plants and animals as it is present in proteins, amino acids, vitamins, and enzymes. It is used to make fertilizers, gunpowder, matches, and insecticides and fungicides. Sulphur cycles through the environment through processes like volcanic eruptions, the burning of fossil fuels, decay of biological material in swamps, and reactions with oxygen and water in both aquatic and terrestrial environments.
Biogeochemical cycle of sulfur
This document provides an overview of the biogeochemical cycle of sulfur. It begins with introducing biogeochemical cycles and their key components - the atmosphere, hydrosphere, lithosphere and biosphere. It then discusses sulfur, describing it as the 10th most abundant element, normally stored underground or in ocean deposits. The sulfur cycle is introduced as the collection of processes by which sulfur moves between minerals, waterways and living systems. It plays an important role in industrial processes and biology, being found in proteins, amino acids and enzymes needed for life. The cycle has both positive effects like uses in manufacturing and agriculture, but also negative effects like producing acid rain that damages soils, waterways and ecosystems.
Acid rain
Acid rain is caused by nitrogen oxides and sulfur dioxide reacting with water and precipitating as nitric and sulfuric acids, lowering the pH below 4.0. It damages agriculture, plants, animals, infrastructure like buildings and monuments, and affects marine habitats. The document discusses the causes and effects of acid rain, providing examples of its impact on landmarks like the Statue of Liberty and Taj Mahal, and how energy conservation, alternate transportation, and alternative fuels can help prevent it.
Potassium Cycle
Potassium is essential for many plant and biological functions. It makes up 2.6% of the Earth's crust and 0.2% of the human body. Potassium was first isolated in 1807 and comes from minerals like feldspar and mica in the soil. Plants accumulate potassium, making fresh fruits and vegetables a good dietary source. Potassium is lost from soil through erosion, runoff, leaching, and harvesting of plants, so fertilizers are needed to replenish potassium in agricultural production.
Salt tolerance crops
in this presentation describe about the plant tolerance of salt. there are two types of crops. highly tolerant crops or moderately tolerant crops. also describe the effect of salt in plants. and the adaptive response of plant in salt affected soil. how to improve the soil when they are effected with salts.
Salt stress in HIGHER PLANTS
This document discusses plant stresses caused by salt. It begins by explaining that salt can accumulate to injurious levels in soils where irrigation water contains high salt concentrations and there is no drainage system. Approximately one-third of irrigated land worldwide is affected by salt. The document then classifies plants as halophytes, which are native to saline soils, or glycophytes, which are less tolerant of salt. Among crops, maize, onion, and citrus are highly sensitive, while cotton and barley are moderately tolerant and sugar beet and date palms are highly tolerant. The effects of salt include reduced osmotic potential of soil water, disruption of plant water balance, and specific ion toxicity that can damage cells and inhibit
Nutrient deficiency in sulphur presentation
The document discusses nutrient deficiency in sulphur. It notes that sulphur is present in soil in organic and inorganic forms and is absorbed by plants as SO4--. It plays important roles in plants such as synthesizing amino acids and proteins, forming disulphide bonds, promoting root nodule formation, and synthesizing metabolites. Symptoms of sulphur deficiency include chlorosis of young leaves, accumulation of nitrates, reduced nodule formation, and premature leaf fall. Sulphur deficiency is corrected by applying recommended basal doses of elemental sulphur or gypsum to soil before planting.
Pertemuan ii
This document provides a history of limnology, the study of inland aquatic ecosystems, from its early origins to current applications. It describes how early limnologists in the 17th-18th centuries began observing and documenting freshwater organisms and physical properties of lakes. It then outlines key advances in the 19th-20th centuries, including understanding lakes as integrated systems influenced by their watersheds. Current limnology focuses on both fundamental dynamics of nutrients and temperature as well as applied questions about environmental impacts on fish, invertebrates, and water resources.
Sulfur cycle presentation
The document summarizes the sulfur cycle and its effects. It describes how sulfur moves between minerals, waterways, and living systems. It then discusses the importance of sulfur in industrial processes, medicine, and living cells. The sulfur cycle is essential but can also cause negative effects like acid rain, which raises soil acidity and harms forests. A case study from the Czech Republic shows how acid deposition has damaged over 50% of trees, especially spruce forests, reducing forest area by 100,000 hectares. The country is working to reduce sulfur emissions to combat acid rain issues.
3 metabolismo del hierro
This document discusses the metabolism of iron in the human body. It covers the supply and storage of iron in the body, how iron is acquired and utilized by red blood cell precursors, the recycling of iron from aged red blood cells by macrophages, and how hepatocytes acquire, utilize, store and export iron. It also discusses the regulation of cellular and systemic iron homeostasis through iron regulatory proteins, ferroportin, hepcidin, and the transcriptional regulation of hepcidin in hepatocytes. Finally, it covers the absorption of dietary iron by intestinal enterocytes.
Soil and water standards
This document discusses soil and water quality standards for aquaculture. It outlines important physical, chemical, and biological parameters for soil and water quality. Key parameters discussed for soil include structure, texture, pH, nitrogen, phosphorus, carbon/nitrogen ratio, calcium, potassium, and micronutrients. For water, important parameters covered are depth, turbidity, temperature, pH, dissolved oxygen, alkalinity, hardness, redox potential, organic matter, carbon, ammonia, and nitrates. Maintaining suitable standards for these various soil and water quality factors is essential for providing animals with a satisfactory environment for growth in aquaculture.
Nutrient Cycling
Nutrient cycling is one of the most important processes that occur in an ecosystem. The nutrient cycle describes the use, movement, and recycling of nutrients in the environment.
Biological sickness of soil
The document defines biological sickness of soils as an unfavorable condition for plant and microbe growth caused by biological problems that hinder decomposition and nutrient transformation. It discusses several types of biological sickness including low soil organic carbon, reduced soil respiration, lack of earthworms, and poor soil enzyme activity. The document then provides management practices for each type of sickness, such as no-till farming, manure application, and soil pH management, to improve soil biological conditions.
Environmental Stress and Microorganisms
The document summarizes two case studies:
Case Study 1 examines the isolation of Pseudomonas aeruginosa from mung bean rhizosphere that can promote plant growth and alleviate drought stress. Inoculation with the bacteria led to higher antioxidant activity, gene expression, water retention and biomass in plants under drought.
Case Study 2 looks at isolating bacteria from saline soil that produce ACC deaminase and help plants tolerate salt and heat stress. A Klebsiella sp. strain, SBP-8, was found to produce ACC deaminase and other beneficial compounds, and promote wheat growth under salt and heat conditions.
Alleviation of Salinity Effects by Poultry Manure and Gibberellin Application...
1) The study investigated the effects of saline irrigation water, poultry manure, and gibberellin applications on the growth and yield of pepper plants under salinity stress.
2) Results showed that saline irrigation water significantly reduced plant growth parameters like dry weight and fruit weight, while poultry manure and gibberellin increased these growth parameters and helped mitigate the negative effects of salt stress.
3) The combination of 30% poultry manure, 250 mg/L gibberellin, and non-saline irrigation water produced the highest plant growth and yield.
More Related Content
What's hot
Silicon Importance on Aliviating Biotic and Abiotic Stress on Sugarcane
Silicon Importance on Aliviating Biotic and Abiotic Stress on SugarcaneCTBE - Brazilian Bioethanol Sci&Tech Laboratory
Event / Evento: II Workshop on Sugarcane Physiology for Agronomic Applications
Speaker / Palestrante: Gaspar H. Korndörfer (Federal University of Uberlândia)
Date / Data: Oct, 29-30th 2013 / 29 e 30 de outubro de 2013
Place / Local: CTBE/CNPEM Campus, Campinas, Brazil
Event Website / Website do evento: www.bioetanol.org.br/sugarcanephysiologyPhysiological mechanisms of salt tolerance in Tomato
Salinity is one of the most important abiotic stresses, limiting crop production in arid and semi-arid regions, where soil salt content is naturally high. According to the FAO land and nutrition management service (2008), over 16 percent of the world’s land is affected by either salinity or sodicity which accounts for more than 800 million ha of land (CSSIR, 2016). The common cations associated with salinity are Na+, SO+34 Ca2+ and Mg2+, while the common anions are Cl- and HCO3-. Salinity occurs through natural or human induced processes that result in the accumulation of dissolved salts in the soil water to an extent that inhibits plant growth. There is competition for fresh water among the municipal, industrial and agricultural sectors in several regions. The consequence has been a decreased allocation of fresh water to agriculture. For this reason there is increasing pressure to irrigate with water of certain salt content like ground water, drainage water and treated waste water. Various causes of salinity over globe and how plants response to their suboptimal and toxic doses along with tolerance strategies has illustrated.
Salt stress in fruit
The document discusses salt stress in perennial fruit plants. It notes that salt stress affects 7% of the world's land area and is a problem for agricultural lands that are heavily irrigated. Salt stress can reduce plant germination, photosynthesis, vegetative growth, and reproductive growth/yield. Plants have developed various tolerance mechanisms including salt avoidance, exclusion, excretion, and osmotic adjustment using organic solutes and antioxidant defenses. Traditional approaches to managing salt stress include better irrigation practices and leaching excess salts from soils. Developing salt tolerant rootstocks and fruit varieties through conventional and biotechnological methods can also help cope with salt stress.
Salt Index - Liquid vs Granular Fertilizer
Granular fertilizers can cause higher salt concentrations in soil solutions compared to liquid fertilizers due to requiring more water to dissolve. High salt concentrations can decrease seed germination or damage seedlings. The salt index expresses the increase in osmotic pressure of a fertilizer solution relative to sodium nitrate, with higher analysis fertilizers having a lower salt index. Excessive soluble salts from sources like poor irrigation water, over-fertilization, or high salt growing media can inhibit plant growth and cause leaf tip burn or root damage. Managing salt levels involves using well-draining media, leaching salts, adjusting fertilizer and irrigation based on water quality, and maintaining adequate moisture.
Muhammad usman
The document discusses the phosphorus cycle and transformations of phosphorus within soil. It notes that phosphorus is essential for life but cannot exist as a gas, and its cycle is the slowest. Within soil, microbes play an important role in mineralizing organic phosphorus compounds into a form plants can absorb through enzymes. They also solubilize insoluble phosphates and precipitate phosphorus compounds. The transformations involve acids, gases, chelators and are impacted by pH, calcium, magnesium, iron and aluminum levels.
Salinity
This document discusses breeding for salinity tolerance in crops. It notes that salinity is a major factor limiting crop productivity, affecting 6% of the world's land and 20% of irrigated areas. Salinity reduces water availability to plants and can cause ion toxicity. The document outlines various mechanisms of salt tolerance in plants, including osmolyte synthesis, ion pumps and transporters, reactive oxygen species management, and signaling pathways. It discusses conventional breeding approaches and their limitations, as well as modern non-conventional approaches like molecular breeding and transgenics. Overall, the document provides an overview of the challenges of soil salinity for agriculture and different strategies for developing salt-tolerant crop varieties.
Sulfur cycle , madhuri singh
biogeochemical cycle involves different cycles. In this, sulfur cycle is explained in comprehend language.
Sulphur cycle
Sulphur is the most abundant element in the universe. It is a yellow, brittle, odorless and tasteless non-metallic element that is solid at room temperature. Sulphur is necessary for plants and animals as it is present in proteins, amino acids, vitamins, and enzymes. It is used to make fertilizers, gunpowder, matches, and insecticides and fungicides. Sulphur cycles through the environment through processes like volcanic eruptions, the burning of fossil fuels, decay of biological material in swamps, and reactions with oxygen and water in both aquatic and terrestrial environments.
Biogeochemical cycle of sulfur
This document provides an overview of the biogeochemical cycle of sulfur. It begins with introducing biogeochemical cycles and their key components - the atmosphere, hydrosphere, lithosphere and biosphere. It then discusses sulfur, describing it as the 10th most abundant element, normally stored underground or in ocean deposits. The sulfur cycle is introduced as the collection of processes by which sulfur moves between minerals, waterways and living systems. It plays an important role in industrial processes and biology, being found in proteins, amino acids and enzymes needed for life. The cycle has both positive effects like uses in manufacturing and agriculture, but also negative effects like producing acid rain that damages soils, waterways and ecosystems.
Acid rain
Acid rain is caused by nitrogen oxides and sulfur dioxide reacting with water and precipitating as nitric and sulfuric acids, lowering the pH below 4.0. It damages agriculture, plants, animals, infrastructure like buildings and monuments, and affects marine habitats. The document discusses the causes and effects of acid rain, providing examples of its impact on landmarks like the Statue of Liberty and Taj Mahal, and how energy conservation, alternate transportation, and alternative fuels can help prevent it.
Potassium Cycle
Potassium is essential for many plant and biological functions. It makes up 2.6% of the Earth's crust and 0.2% of the human body. Potassium was first isolated in 1807 and comes from minerals like feldspar and mica in the soil. Plants accumulate potassium, making fresh fruits and vegetables a good dietary source. Potassium is lost from soil through erosion, runoff, leaching, and harvesting of plants, so fertilizers are needed to replenish potassium in agricultural production.
Salt tolerance crops
in this presentation describe about the plant tolerance of salt. there are two types of crops. highly tolerant crops or moderately tolerant crops. also describe the effect of salt in plants. and the adaptive response of plant in salt affected soil. how to improve the soil when they are effected with salts.
Salt stress in HIGHER PLANTS
This document discusses plant stresses caused by salt. It begins by explaining that salt can accumulate to injurious levels in soils where irrigation water contains high salt concentrations and there is no drainage system. Approximately one-third of irrigated land worldwide is affected by salt. The document then classifies plants as halophytes, which are native to saline soils, or glycophytes, which are less tolerant of salt. Among crops, maize, onion, and citrus are highly sensitive, while cotton and barley are moderately tolerant and sugar beet and date palms are highly tolerant. The effects of salt include reduced osmotic potential of soil water, disruption of plant water balance, and specific ion toxicity that can damage cells and inhibit
Nutrient deficiency in sulphur presentation
The document discusses nutrient deficiency in sulphur. It notes that sulphur is present in soil in organic and inorganic forms and is absorbed by plants as SO4--. It plays important roles in plants such as synthesizing amino acids and proteins, forming disulphide bonds, promoting root nodule formation, and synthesizing metabolites. Symptoms of sulphur deficiency include chlorosis of young leaves, accumulation of nitrates, reduced nodule formation, and premature leaf fall. Sulphur deficiency is corrected by applying recommended basal doses of elemental sulphur or gypsum to soil before planting.
Pertemuan ii
This document provides a history of limnology, the study of inland aquatic ecosystems, from its early origins to current applications. It describes how early limnologists in the 17th-18th centuries began observing and documenting freshwater organisms and physical properties of lakes. It then outlines key advances in the 19th-20th centuries, including understanding lakes as integrated systems influenced by their watersheds. Current limnology focuses on both fundamental dynamics of nutrients and temperature as well as applied questions about environmental impacts on fish, invertebrates, and water resources.
Sulfur cycle presentation
The document summarizes the sulfur cycle and its effects. It describes how sulfur moves between minerals, waterways, and living systems. It then discusses the importance of sulfur in industrial processes, medicine, and living cells. The sulfur cycle is essential but can also cause negative effects like acid rain, which raises soil acidity and harms forests. A case study from the Czech Republic shows how acid deposition has damaged over 50% of trees, especially spruce forests, reducing forest area by 100,000 hectares. The country is working to reduce sulfur emissions to combat acid rain issues.
3 metabolismo del hierro
This document discusses the metabolism of iron in the human body. It covers the supply and storage of iron in the body, how iron is acquired and utilized by red blood cell precursors, the recycling of iron from aged red blood cells by macrophages, and how hepatocytes acquire, utilize, store and export iron. It also discusses the regulation of cellular and systemic iron homeostasis through iron regulatory proteins, ferroportin, hepcidin, and the transcriptional regulation of hepcidin in hepatocytes. Finally, it covers the absorption of dietary iron by intestinal enterocytes.
Soil and water standards
This document discusses soil and water quality standards for aquaculture. It outlines important physical, chemical, and biological parameters for soil and water quality. Key parameters discussed for soil include structure, texture, pH, nitrogen, phosphorus, carbon/nitrogen ratio, calcium, potassium, and micronutrients. For water, important parameters covered are depth, turbidity, temperature, pH, dissolved oxygen, alkalinity, hardness, redox potential, organic matter, carbon, ammonia, and nitrates. Maintaining suitable standards for these various soil and water quality factors is essential for providing animals with a satisfactory environment for growth in aquaculture.
Nutrient Cycling
Nutrient cycling is one of the most important processes that occur in an ecosystem. The nutrient cycle describes the use, movement, and recycling of nutrients in the environment.
Biological sickness of soil
The document defines biological sickness of soils as an unfavorable condition for plant and microbe growth caused by biological problems that hinder decomposition and nutrient transformation. It discusses several types of biological sickness including low soil organic carbon, reduced soil respiration, lack of earthworms, and poor soil enzyme activity. The document then provides management practices for each type of sickness, such as no-till farming, manure application, and soil pH management, to improve soil biological conditions.
What's hot (20)
Silicon Importance on Aliviating Biotic and Abiotic Stress on Sugarcane
Silicon Importance on Aliviating Biotic and Abiotic Stress on Sugarcane
Physiological mechanisms of salt tolerance in Tomato
Physiological mechanisms of salt tolerance in Tomato
Similar to Role of caffeic acid in mitigating salt stress in plants
Environmental Stress and Microorganisms
The document summarizes two case studies:
Case Study 1 examines the isolation of Pseudomonas aeruginosa from mung bean rhizosphere that can promote plant growth and alleviate drought stress. Inoculation with the bacteria led to higher antioxidant activity, gene expression, water retention and biomass in plants under drought.
Case Study 2 looks at isolating bacteria from saline soil that produce ACC deaminase and help plants tolerate salt and heat stress. A Klebsiella sp. strain, SBP-8, was found to produce ACC deaminase and other beneficial compounds, and promote wheat growth under salt and heat conditions.
Alleviation of Salinity Effects by Poultry Manure and Gibberellin Application...
1) The study investigated the effects of saline irrigation water, poultry manure, and gibberellin applications on the growth and yield of pepper plants under salinity stress.
2) Results showed that saline irrigation water significantly reduced plant growth parameters like dry weight and fruit weight, while poultry manure and gibberellin increased these growth parameters and helped mitigate the negative effects of salt stress.
3) The combination of 30% poultry manure, 250 mg/L gibberellin, and non-saline irrigation water produced the highest plant growth and yield.
BIOCHEMICAL RESPONSES DURING STRESS CONDITION.pptx
The document summarizes biochemical responses in plants during abiotic stress conditions. It discusses how abiotic stresses like drought, salinity and temperature fluctuations can generate reactive oxygen species (ROS) and oxidative stress. The plant defenses against ROS include antioxidant enzymes like superoxide dismutase and non-enzymatic compounds. Primary metabolites like proline and secondary metabolites play important roles in stress tolerance. The accumulation of stress proteins, amino acids and compatible solutes help plants adapt to stressful conditions.
Role of ascorbate peroxidase in the antioxidant protection
When plants are exposed to stressful environmental conditions, the production of Reactive Oxygen Species (ROS) increases and can cause significant damage to the cells. Antioxidant defenses, which can detoxify ROS, are present in plants. A major hydrogen peroxide detoxifying system in plant cells is the ascorbate-glutathione cycle, in which, ascorbate peroxidase (APX) enzymes play a key role catalyzing the conversion of H2O2 into H2O, using ascorbate as a specific electron donor.
The expression of APX genes is regulated in response to biotic and abiotic stresses as well as during plant development. The APX responses are directly involved in the protection of plant cells against adverse environmental conditions.
Furthermore, mutant plants APX genes showed alterations in growth, physiology and antioxidant metabolism revealing those enzymes involvement in the normal plant development.
2. Abiotic- Salt stress.ppt
Environmental stresses like salinity and drought significantly impact agricultural productivity by reducing crop yields. Salinity stress affects plants through both direct and indirect effects, including osmotic stress and ion toxicity. To tolerate salt stress, plants employ strategies like osmotic adjustment through accumulation of compatible solutes, sodium compartmentalization in vacuoles, and expression of stress-induced proteins. Maintaining tissue water potential and turgor pressure through osmotic adjustment is critical for plant growth under saline conditions.
Effectiveness of various salinity on leaf growth of Gazania | IJAAR
Salt stress is induced by Nacl and it minimizes the growth owing to variation in interior plant structure. The present work was designed in line to investigate the behavior of Gazania harlequin (L.) seedlings were raised with dissimilar salt combinations (25 ppm, 50 ppm, 75 ppm & 100 ppm of NaCl solution). The CRD experiment with 4 repetitions was done. The NaCl treatments were repeated in 4 times with 20 days interval totally for 80 days after transplanting in pots. Anatomical observations were recorded by the microscope of in NaCl affected growth leaf. The results illustrated that salinity levels had a negative effect on anatomical characters as (xylem region, phloem region, cortex region, epidermis region and density of leaf lamina). So, it is concluded from the study that control treatment (without salinity effect) showed improved outcome comparatively others treatments which were under the saline situation. As the salinity increases ultimately it affects leaf anatomy of the plant.
A new insight of salt stress signaling in plant
The document discusses the role of the circadian clock protein GIGANTEA (GI) in plant responses to salt stress. GI interacts with components of the SOS salt-overly sensitive pathway, specifically SOS2, a protein kinase. Under salt stress, GI is degraded, releasing SOS2 to activate the sodium exporter SOS1. This allows sodium ions to be exported from plant cells. GI overexpression makes plants more sensitive to salt, while loss of GI function increases salt tolerance. The circadian clock and GI integrate environmental stresses and regulate stress tolerance through effects on gene expression, chromatin modifications, and interactions with other pathways.
Resistance_Mechanism_and_Molecular_Responses_to_the_Salinity.pptx
In this presentation, I would like to provide the Resistance Mechanism and Molecular Responses to the Salinity.
There are two types of plants Halophytes and Glycophytes (categories on the basis of their responses to the salinity) examples are Thellungiella halophila and Arabidopsis thaliana, respectively.
Earlier Arabidopsis was considered as Model organism incase of plants but it can't tolerate high saline condition that's the reason for the limited study of plant towards salinity responses. But in the year 2004 the discovery of new plant Thellungiella halophila generates new knowledge about the tolerance mechanism of plants towards salinity responses because it's a halophytes which can tolerate extreme saline condition.
And also it has very similarity with the Arabidopsis so it's considered as the Model organism for the study of Salt stress physiology.
There are major two pathways involved in response to Salt stress (described in presentation).
Stress due to soil conditions & mitigation strategies
The document summarizes physiological responses of fruit plants to various soil stress conditions and potential mitigation strategies. It discusses how soil salinity, nutrient imbalances, heavy metals, water stress, and biotic stress can negatively impact fruit plants. It describes primary and secondary effects of these stresses and how plants have developed resistance mechanisms like tolerance, avoidance, and acclimation. Specific strategies are proposed to mitigate salinity stress in different fruit crops like growing resistant varieties, soil reclamation, and leaching. The document reviews several research papers studying effects of stresses like salinity and low pH on fruit plants and identifying tolerant genotypes and treatments that can alleviate stress impacts.
Grafting Salinity Tolerant Rootstocks and Magnetic Iron Treatments for Cantal...
Grafting Salinity Tolerant Rootstocks and Magnetic Iron Treatments for Cantal...Ahmedabd Eleslamboly Eleslamboly
This document discusses a study on using grafting and magnetic iron treatments to improve cantaloupe production under saline soil and irrigation water conditions. The study found that grafting cantaloupe onto salt tolerant rootstocks and adding magnetic iron significantly increased vegetative growth, yield, and reduced the effects of salinity. Specifically, bottle gourd and calabash gourd rootstocks were the most salt tolerant as evidenced by high leaf sodium content without negative effects. Magnetic iron treatments also increased growth and yield while decreasing stem diameter, total soluble solids, and total sugar content in fruits. The combination of grafting and magnetic iron further increased total yield without affecting fruit quality.2
1. The study examined the effects of different concentrations of cobalt (50, 100, 150, 200, and 250 mg/kg soil) on biochemical constituents and antioxidant enzyme activities in the green gram plant Vigna radiata.
2. Biochemicals like sugars, starch, amino acids, and proteins decreased with increasing cobalt concentration, while antioxidant enzymes like catalase decreased but peroxidase and polyphenol oxidase increased.
3. The 50 mg/kg cobalt level benefited plant growth and biochemical/antioxidant parameters compared to higher concentrations and the control, suggesting it acts as a beneficial trace element at low levels.
Stress physiology
This document discusses Zhou Yan's research interests in plant physiology, specifically stress physiology. It provides an overview of stress types in plants, including biotic, abiotic, chilling, freezing, heat, and drought stresses. It also discusses resistance mechanisms in plants, such as stress avoidance and stress tolerance. Zhou Yan's current research focuses on the effects of saline and alkaline stresses on soybean seedlings. The research examines impacts on growth factors and ionic balance, as well as the mechanisms plants use to adapt, such as osmotic regulation and ion regionalization.
Halophic bacteria used to grow the wheat in salnity areas
Informative presentation " INCREASING THE PRODUCTION OF WHEAT IN SALT AFFECTED AREAS IN PAKISTAN BY USING HALOPHILIC BACTERIA"
slidechina.ppt
1. The study investigated the effects of silicon nutrition on the growth of Puccinellia distans (a monocotyledon) and Brassica napus (a dicotyledon) under salinity stress.
2. The results showed that silicon nutrition led to higher dry mass and lower sodium concentration in both plants under salinity treatments. Silicon also increased silicon concentration in P. distans tissues.
3. In B. napus, silicon nutrition recovered the activities of antioxidant enzymes like catalase and cell wall peroxidase under salinity, decreasing lipid peroxidation and membrane damage. This suggests silicon helps plants tolerate salt stress.
A Review on Plant Growth Promoting Bacteria Ameliorating Salinity Stress
Salinity is a biotic stress which is constraint for the plant growth and development, putting agriculture productivity and food security under stress globally. Potential use of plant growth promoting bacteria PGPB ameliorating the salinity stress through number of mechanisms evoking multipronged physiological, biochemical and molecular responses. By developing the novel inoculum for saline soil based on the recent studies concepts can be a sustainable approach in ameliorating productivity of affected agricultural land and food by simultaneously remediating salinity affected agricultural land. The metabolic and genetic properties of the PGPB have direct role in eliminating the harmful effect of salinity. Various mechanism of PGPB includes modification in cell wall cell membrane, development of various enzymes, production of protein performing various metabolic function, production of osmolytes, siderophore production, improving the level of phytohormones auxin, ethylene, cytokinin, abscisic acid, gibberellin , Exopolysaccharide EPS production. In spite of overwhelming advantages exact mechanism of PGPB ameliorating saline stress is not known so it is field to further investigate. Metaliya Divya | Bhadaniya Nidhi | Patel Aakruti | Rathod Zalak. R | Saraf Meenu S "A Review on Plant Growth Promoting Bacteria Ameliorating Salinity Stress" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-2 , February 2021, URL: https://www.ijtsrd.com/papers/ijtsrd38531.pdf Paper Url: https://www.ijtsrd.com/biological-science/microbiology/38531/a-review-on-plant-growth-promoting-bacteria-ameliorating-salinity-stress/metaliya-divya
Signaling mechanisms due to salinity stress
This document discusses various signaling mechanisms in plants due to salinity stress. It describes how salinity stress affects physiological and metabolic processes in plants and inhibits crop production through osmotic effects, ionic effects, and oxidative stress. It then summarizes several key physiological and biochemical mechanisms that provide salinity tolerance in plants, including ion homeostasis, compatible solute accumulation, antioxidant regulation, and hormone modulation. Specific signaling pathways and proteins involved in these tolerance mechanisms are also outlined.
MOILECULAR BIOLOGY OF ABIOTIC STRESSES WORD.docx
MOLECULAR BIOLOGY OF ABIOTIC STRESSES LIKE DROUGHT, SALINITY, HEAT AND LOW TEMPERATURE AND THEIR EFFECT ON THE PLANT GROWTH
Sos pathway emerging new roles
The SOS pathway plays an important role in plant salinity tolerance. It involves the SOS1, SOS2, and SOS3 genes which work together to extrude sodium ions from plant cells. SOS1 encodes a sodium/hydrogen antiporter, SOS2 encodes a protein kinase, and SOS3 encodes a calcium sensor protein. The SOS pathway helps maintain low sodium ion levels in the cytosol and partitions excess sodium to tissues and organs to reduce damage from salinity stress. Recent research also indicates the SOS pathway is involved in cytoskeleton dynamics, root development, and crosstalk with other stress response pathways to help plants withstand salinity stress.
Rhizobacteria containing ACC-deaminase confer salt tolerance to wheat (Tritic...
Wheat (Tritium aestivum) is the primary food of Pakistan.Salinity is a blockade towards growing a sustainable food production system and necessitates environment management. Plant growth promoting rhizobacteria can ameliorate abiotic stressors through induced salt tolerance. PGPR having ACC deaminase activity can improve plant performance by minimizing the effects of ACC and endogenous ethylene that limit plant growth under salt stress. Plants grown from seeds inoculated with PGPR strains having ACC deaminase are comparatively more tolerant to salt stress. The study was carried out at Soil Salinity Research Institute, PindiBhattian to investigate the impact of PGPR (Plant growth promoting Rhizobacteria) on wheat grown in salt affected field. The design was Randomized complete block with three replications. Wheat seeds Cv. Faisalbad-2008 were inoculated with rhizobacteria strains which were: Thal-8, WM-14 and WM-10 during 2015-16 Inoculation with rhizobial strains that provide ACC-deaminase activity proved a useful move toward for alleviating the stress induced by ethylene and accordingly improving the growth and yield of wheat in the presence of high salinity stress. Decline in sodium uptake following seed inoculation with different rhizobial strains for wheat grown on salt- affected lands is a constructive possibility to reclaim salt stress biologically.
Drought n heat abiotic stress in plants
Drought and heat are major abiotic stresses that negatively impact plant growth and productivity. Drought stress reduces photosynthesis and induces stomatal closure and changes in gene expression and metabolism. Plants have developed various tolerance mechanisms including escape, avoidance, and tolerance. At the molecular level, plants respond to stresses through signaling pathways, changes in hormone levels like ABA, and expression of genes that encode protective proteins and osmoprotectants. Molecular responses are regulated by transcription factors that control stress-related gene expression. Engineering stress tolerance genes into crops holds promise to improve abiotic stress resistance.
Similar to Role of caffeic acid in mitigating salt stress in plants (20)
Alleviation of Salinity Effects by Poultry Manure and Gibberellin Application...
Alleviation of Salinity Effects by Poultry Manure and Gibberellin Application...
BIOCHEMICAL RESPONSES DURING STRESS CONDITION.pptx
BIOCHEMICAL RESPONSES DURING STRESS CONDITION.pptx
Role of ascorbate peroxidase in the antioxidant protection
Role of ascorbate peroxidase in the antioxidant protection
Effectiveness of various salinity on leaf growth of Gazania | IJAAR
Effectiveness of various salinity on leaf growth of Gazania | IJAAR
Resistance_Mechanism_and_Molecular_Responses_to_the_Salinity.pptx
Resistance_Mechanism_and_Molecular_Responses_to_the_Salinity.pptx
Stress due to soil conditions & mitigation strategies
Stress due to soil conditions & mitigation strategies
Grafting Salinity Tolerant Rootstocks and Magnetic Iron Treatments for Cantal...
Grafting Salinity Tolerant Rootstocks and Magnetic Iron Treatments for Cantal...
Halophic bacteria used to grow the wheat in salnity areas
Halophic bacteria used to grow the wheat in salnity areas
A Review on Plant Growth Promoting Bacteria Ameliorating Salinity Stress
A Review on Plant Growth Promoting Bacteria Ameliorating Salinity Stress
Rhizobacteria containing ACC-deaminase confer salt tolerance to wheat (Tritic...
Rhizobacteria containing ACC-deaminase confer salt tolerance to wheat (Tritic...
Recently uploaded
Micronuclei test.M.sc.zoology.fisheries.
Current Ms word generated power point presentation covers major details about the micronuclei test. It's significance and assays to conduct it. It is used to detect the micronuclei formation inside the cells of nearly every multicellular organism. It's formation takes place during chromosomal sepration at metaphase.
The binding of cosmological structures by massless topological defects
Assuming spherical symmetry and weak field, it is shown that if one solves the Poisson equation or the Einstein field
equations sourced by a topological defect, i.e. a singularity of a very specific form, the result is a localized gravitational
field capable of driving flat rotation (i.e. Keplerian circular orbits at a constant speed for all radii) of test masses on a thin
spherical shell without any underlying mass. Moreover, a large-scale structure which exploits this solution by assembling
concentrically a number of such topological defects can establish a flat stellar or galactic rotation curve, and can also deflect
light in the same manner as an equipotential (isothermal) sphere. Thus, the need for dark matter or modified gravity theory is
mitigated, at least in part.
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...Advanced-Concepts-Team
Presentation in the Science Coffee of the Advanced Concepts Team of the European Space Agency on the 07.06.2024.
Speaker: Diego Blas (IFAE/ICREA)
Title: Gravitational wave detection with orbital motion of Moon and artificial
Abstract:
In this talk I will describe some recent ideas to find gravitational waves from supermassive black holes or of primordial origin by studying their secular effect on the orbital motion of the Moon or satellites that are laser ranged.Equivariant neural networks and representation theory
Or: Beyond linear.
Abstract: Equivariant neural networks are neural networks that incorporate symmetries. The nonlinear activation functions in these networks result in interesting nonlinear equivariant maps between simple representations, and motivate the key player of this talk: piecewise linear representation theory.
Disclaimer: No one is perfect, so please mind that there might be mistakes and typos.
dtubbenhauer@gmail.com
Corrected slides: dtubbenhauer.com/talks.html
Randomised Optimisation Algorithms in DAPHNE
Slides from talk:
Aleš Zamuda: Randomised Optimisation Algorithms in DAPHNE .
Austrian-Slovenian HPC Meeting 2024 – ASHPC24, Seeblickhotel Grundlsee in Austria, 10–13 June 2024
https://ashpc.eu/
Katherine Romanak - Geologic CO2 Storage.pdf
Presented at June 6-7 Texas Alliance of Groundwater Districts Business Meeting
The debris of the ‘last major merger’ is dynamically young
The Milky Way’s (MW) inner stellar halo contains an [Fe/H]-rich component with highly eccentric orbits, often referred to as the
‘last major merger.’ Hypotheses for the origin of this component include Gaia-Sausage/Enceladus (GSE), where the progenitor
collided with the MW proto-disc 8–11 Gyr ago, and the Virgo Radial Merger (VRM), where the progenitor collided with the
MW disc within the last 3 Gyr. These two scenarios make different predictions about observable structure in local phase space,
because the morphology of debris depends on how long it has had to phase mix. The recently identified phase-space folds in Gaia
DR3 have positive caustic velocities, making them fundamentally different than the phase-mixed chevrons found in simulations
at late times. Roughly 20 per cent of the stars in the prograde local stellar halo are associated with the observed caustics. Based
on a simple phase-mixing model, the observed number of caustics are consistent with a merger that occurred 1–2 Gyr ago.
We also compare the observed phase-space distribution to FIRE-2 Latte simulations of GSE-like mergers, using a quantitative
measurement of phase mixing (2D causticality). The observed local phase-space distribution best matches the simulated data
1–2 Gyr after collision, and certainly not later than 3 Gyr. This is further evidence that the progenitor of the ‘last major merger’
did not collide with the MW proto-disc at early times, as is thought for the GSE, but instead collided with the MW disc within
the last few Gyr, consistent with the body of work surrounding the VRM.
20240520 Planning a Circuit Simulator in JavaScript.pptx
Evaporation step counter work. I have done a physical experiment.
(Work in progress.)
(June 12, 2024) Webinar: Development of PET theranostics targeting the molecu...
(June 12, 2024) Webinar: Development of PET theranostics targeting the molecu...Scintica Instrumentation
Targeting Hsp90 and its pathogen Orthologs with Tethered Inhibitors as a Diagnostic and Therapeutic Strategy for cancer and infectious diseases with Dr. Timothy Haystead.Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero WaterTexas Alliance of Groundwater Districts
Presented at June 6-7 Texas Alliance of Groundwater Districts Business MeetingESR spectroscopy in liquid food and beverages.pptx
With increasing population, people need to rely on packaged food stuffs. Packaging of food materials requires the preservation of food. There are various methods for the treatment of food to preserve them and irradiation treatment of food is one of them. It is the most common and the most harmless method for the food preservation as it does not alter the necessary micronutrients of food materials. Although irradiated food doesn’t cause any harm to the human health but still the quality assessment of food is required to provide consumers with necessary information about the food. ESR spectroscopy is the most sophisticated way to investigate the quality of the food and the free radicals induced during the processing of the food. ESR spin trapping technique is useful for the detection of highly unstable radicals in the food. The antioxidant capability of liquid food and beverages in mainly performed by spin trapping technique.
Pests of Storage_Identification_Dr.UPR.pdf
InIndia-post-harvestlosses-unscientificstorage,insects,rodents,micro-organismsetc.,accountforabout10percentoftotalfoodgrains
Graininfestation
Directdamage
Indirectly
•theexuviae,skin,deadinsects
•theirexcretawhichmakefoodunfitforhumanconsumption
About600speciesofinsectshavebeenassociatedwithstoredgrainproducts
100speciesofinsectpestsofstoredproductscauseeconomiclosses
Immersive Learning That Works: Research Grounding and Paths Forward
We will metaverse into the essence of immersive learning, into its three dimensions and conceptual models. This approach encompasses elements from teaching methodologies to social involvement, through organizational concerns and technologies. Challenging the perception of learning as knowledge transfer, we introduce a 'Uses, Practices & Strategies' model operationalized by the 'Immersive Learning Brain' and ‘Immersion Cube’ frameworks. This approach offers a comprehensive guide through the intricacies of immersive educational experiences and spotlighting research frontiers, along the immersion dimensions of system, narrative, and agency. Our discourse extends to stakeholders beyond the academic sphere, addressing the interests of technologists, instructional designers, and policymakers. We span various contexts, from formal education to organizational transformation to the new horizon of an AI-pervasive society. This keynote aims to unite the iLRN community in a collaborative journey towards a future where immersive learning research and practice coalesce, paving the way for innovative educational research and practice landscapes.
Compexometric titration/Chelatorphy titration/chelating titration
Classification
Metal ion ion indicators
Masking and demasking reagents
Estimation of Magnisium sulphate
Calcium gluconate
Complexometric Titration/ chelatometry titration/chelating titration, introduction, Types-
1.Direct Titration
2.Back Titration
3.Replacement Titration
4.Indirect Titration
Masking agent, Demasking agents
formation of complex
comparition between masking and demasking agents,
Indicators/Metal ion indicators/ Metallochromic indicators/pM indicators,
Visual Technique,PM indicators (metallochromic), Indicators of pH, Redox Indicators
Instrumental Techniques-Photometry
Potentiometry
Miscellaneous methods.
Complex titration with EDTA.
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Ozturkcan, S., Berndt, A., & Angelakis, A. (2024). Mending clothing to support sustainable fashion. Presented at the 31st Annual Conference by the Consortium for International Marketing Research (CIMaR), 10-13 Jun 2024, University of Gävle, Sweden.
Recently uploaded (20)
The binding of cosmological structures by massless topological defects
The binding of cosmological structures by massless topological defects
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
Equivariant neural networks and representation theory
Equivariant neural networks and representation theory
The debris of the ‘last major merger’ is dynamically young
The debris of the ‘last major merger’ is dynamically young
20240520 Planning a Circuit Simulator in JavaScript.pptx
20240520 Planning a Circuit Simulator in JavaScript.pptx
(June 12, 2024) Webinar: Development of PET theranostics targeting the molecu...
(June 12, 2024) Webinar: Development of PET theranostics targeting the molecu...
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero Water
ESR spectroscopy in liquid food and beverages.pptx
ESR spectroscopy in liquid food and beverages.pptx
Basics of crystallography, crystal systems, classes and different forms
Basics of crystallography, crystal systems, classes and different forms
Immersive Learning That Works: Research Grounding and Paths Forward
Immersive Learning That Works: Research Grounding and Paths Forward
Compexometric titration/Chelatorphy titration/chelating titration
Compexometric titration/Chelatorphy titration/chelating titration
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Role of caffeic acid in mitigating salt stress in plants
- 2. Role of Caffeic Acid in Mitigating Salt Stress in Plants Hassan Mehmood PhD (2nd Semester) Roll # FA17C1PA701 Department of Soil Science, University College of Agriculture & Environmental Sciences, The Islamia University of Bahawalpur, Pakistan
- 3. INTRODUCTIONINTRODUCTION Caffeic acid (CA) is an antioxidant substance occurring naturally in a variety of plant species. Caffeic acid appeared to be a powerful plant response regulator against a number of abiotic stresses. (Batish et al., 2008)
- 4. Caffeic acid act as a powerful scavenger against reactive oxygen species (ROS) under salt stress in plants and improves plant morphology, physiology, water relations, activity of antioxidant enzymes and ions homeostasis. (Klein et al., 2013)
- 6. Salinity and it’s Devastating EffectsSalinity and it’s Devastating Effects Salinity is the most atrocious environmental aspects restricting the productivity of plants in arid and semiarid regions of the world. About 6% of the total and 20 % of irrigated land of the world is affected by salt stress. There is a fear of loss of 50% cultivated land due to rapid salinization up to 2050. (FAO, 2015 ; Ahanger et al., 2017)
- 7. Salt stress adversely effects almost all growth stages of plant including : Germination Seedling Growth Vegetative Growth Maturity Stage (Christensen et al., 2008)
- 8. High salt concentration causes an imbalance of cellular ions resulting in ion toxicity and osmotic stress. Salt stress disturbs the cellular antioxidant equilibrium leading to production of reactive oxygen species (ROS). (Becana et al., 2000)
- 9. Ameliorating Effect of Caffeic acidAmeliorating Effect of Caffeic acid against Salt Stressagainst Salt Stress Caffeic acid efficaciously neutralizes the hazardous effects of different abiotic stresses including salinity. (Christensen et al., 1998)
- 10. Caffeic acid as ROS scavenger underCaffeic acid as ROS scavenger under salt stresssalt stress
- 11. Caffeic acid improved plantCaffeic acid improved plant biomass under salt stressbiomass under salt stress By reducing sodium (Na) accumulation and up-regulating antioxidant defense system. (Klein et al., 2013)
- 12. Caffeic acid improved chlorophyllCaffeic acid improved chlorophyll contents under salt stresscontents under salt stress Improved chlorophyll contents under salt stress. (Klein et al., 2013)
- 13. Improved activity of antioxidantImproved activity of antioxidant enzymesenzymes Improve activity of superoxide dismutase (SOD) by activating antioxidant enzymes in plants under salt stress. (Klein et al., 2013)
- 14. Improve plant water relationsImprove plant water relations Improve water relations of plant by regulating stomatal conductance and transpiration rate. (Zilli et al., 2009)