Auxin is a plant hormone that guides in the commencement of extrinsic roots. Indole acidic corrosive (IAA) is the normally happening auxin found in plants. IAA is associated with about each part of plant development and improvement
1. The document discusses plant growth, development, and control mechanisms.
2. It defines growth as an increase in size through cell division, while development refers to organ formation and maturation.
3. Competition for resources like light, water, and nutrients can influence a plant's growth, potentially limiting its size or yield.
4. The plant hormone auxin influences growth through phototropism, the directional growth of shoots towards light, and other tropisms. It also stimulates fruit formation.
This document provides an overview of plant growth regulators, genetics and inheritance, secondary growth, and environmental issues in gardening. It discusses the main plant growth regulators (auxin, cytokinins, gibberellins, ethylene, and abscisic acid) and their effects. It describes genetics as involving dominant and recessive gene pairs that determine plant characteristics. Secondary growth is explained as thickening stems through vascular cambium and creating growth rings. Environmental issues addressed are the impacts of peat as a growing medium, risks of pest/disease controls, invasive non-native plants, and conserving water usage and runoff.
This document covers a plant health week focusing on plant disorders, garden chemicals, and weed identification. The learning objectives are to describe physiological disorders and their causes, explain the modes of action of pesticides, fungicides, and herbicides, identify active ingredients in examples of each, state weed life cycles and name examples, and identify weeds botanically. Key topics include nutrient and water disorders and remedies, modes of action being contact or systemic, herbicide modes of selective and residual, and examples of chemicals and their modes of action. Common weeds are also defined botanically.
This document discusses methods for extending the outdoor growing season for vegetables, including using protection like cloches and tunnels. It describes propagation methods like direct sowing, seed beds, and planting young vegetable plants. It also discusses crop rotation systems using four groups (legumes, brassicas, alliums, roots), the benefits of rotation in minimizing pests and helping successive crops, and limitations like personal taste preferences. Successional cropping through staggered plantings and crop varieties is described as well as intercropping, mixed cropping, and "cut and come again" vegetables that regrow after harvesting.
This document provides an overview of garden chemicals including their modes of action, risk assessment process, and botanical weed identification. It defines pesticides, fungicides, and herbicides and their contact and systemic modes of action. For herbicides, it also describes selective and residual modes. Active ingredients of example chemicals are identified for different modes. The 5 steps of risk assessment are outlined. Weed life cycles and botanical names of 4 common weeds are covered. Learning objectives include describing chemical modes of action, identifying ingredients, applying risk assessment, and botanically naming weeds.
This document covers seed germination, dormancy, and storage. It discusses the environmental requirements for germination, including moisture, temperature, light, and oxygen. It describes the three stages of germination - imbibition, lag phase, and emergence phase. It defines epigeal germination, exemplified by French beans, and hypogeal germination, exemplified by broad beans. Methods to break seed dormancy include scarification, soaking, and stratification. Long term seed storage aims to control respiration rates to maintain seed viability over time.
This document covers plant growth regulators and secondary growth. It discusses how plants grow through cell division via mitosis in meristematic tissues located at root and shoot tips. Auxin influences plant growth through phototropism, the growth response of plants toward light, and cell elongation. When woody dicots undergo secondary growth, concentric rings of secondary xylem form, alternating bands of early and late wood. Photoperiodism refers to the flowering response in plants triggered by day length.
This document discusses outdoor food production techniques including crop rotation, intercropping, and successional cropping. It addresses cultivation methods to extend the growing season using protection, varieties, and succession planting. Propagation methods are identified as seed, plants, roots, slips, and sets. Intercropping involves growing quick and slow maturing crops together. Successional cropping is achieved by sowing varieties at intervals or in succession for continuous harvest. Crop rotation principles include dividing crops into groups and rotating them to minimize pests and maximize soil benefits.
1. The document discusses plant growth, development, and control mechanisms.
2. It defines growth as an increase in size through cell division, while development refers to organ formation and maturation.
3. Competition for resources like light, water, and nutrients can influence a plant's growth, potentially limiting its size or yield.
4. The plant hormone auxin influences growth through phototropism, the directional growth of shoots towards light, and other tropisms. It also stimulates fruit formation.
This document provides an overview of plant growth regulators, genetics and inheritance, secondary growth, and environmental issues in gardening. It discusses the main plant growth regulators (auxin, cytokinins, gibberellins, ethylene, and abscisic acid) and their effects. It describes genetics as involving dominant and recessive gene pairs that determine plant characteristics. Secondary growth is explained as thickening stems through vascular cambium and creating growth rings. Environmental issues addressed are the impacts of peat as a growing medium, risks of pest/disease controls, invasive non-native plants, and conserving water usage and runoff.
This document covers a plant health week focusing on plant disorders, garden chemicals, and weed identification. The learning objectives are to describe physiological disorders and their causes, explain the modes of action of pesticides, fungicides, and herbicides, identify active ingredients in examples of each, state weed life cycles and name examples, and identify weeds botanically. Key topics include nutrient and water disorders and remedies, modes of action being contact or systemic, herbicide modes of selective and residual, and examples of chemicals and their modes of action. Common weeds are also defined botanically.
This document discusses methods for extending the outdoor growing season for vegetables, including using protection like cloches and tunnels. It describes propagation methods like direct sowing, seed beds, and planting young vegetable plants. It also discusses crop rotation systems using four groups (legumes, brassicas, alliums, roots), the benefits of rotation in minimizing pests and helping successive crops, and limitations like personal taste preferences. Successional cropping through staggered plantings and crop varieties is described as well as intercropping, mixed cropping, and "cut and come again" vegetables that regrow after harvesting.
This document provides an overview of garden chemicals including their modes of action, risk assessment process, and botanical weed identification. It defines pesticides, fungicides, and herbicides and their contact and systemic modes of action. For herbicides, it also describes selective and residual modes. Active ingredients of example chemicals are identified for different modes. The 5 steps of risk assessment are outlined. Weed life cycles and botanical names of 4 common weeds are covered. Learning objectives include describing chemical modes of action, identifying ingredients, applying risk assessment, and botanically naming weeds.
This document covers seed germination, dormancy, and storage. It discusses the environmental requirements for germination, including moisture, temperature, light, and oxygen. It describes the three stages of germination - imbibition, lag phase, and emergence phase. It defines epigeal germination, exemplified by French beans, and hypogeal germination, exemplified by broad beans. Methods to break seed dormancy include scarification, soaking, and stratification. Long term seed storage aims to control respiration rates to maintain seed viability over time.
This document covers plant growth regulators and secondary growth. It discusses how plants grow through cell division via mitosis in meristematic tissues located at root and shoot tips. Auxin influences plant growth through phototropism, the growth response of plants toward light, and cell elongation. When woody dicots undergo secondary growth, concentric rings of secondary xylem form, alternating bands of early and late wood. Photoperiodism refers to the flowering response in plants triggered by day length.
This document discusses outdoor food production techniques including crop rotation, intercropping, and successional cropping. It addresses cultivation methods to extend the growing season using protection, varieties, and succession planting. Propagation methods are identified as seed, plants, roots, slips, and sets. Intercropping involves growing quick and slow maturing crops together. Successional cropping is achieved by sowing varieties at intervals or in succession for continuous harvest. Crop rotation principles include dividing crops into groups and rotating them to minimize pests and maximize soil benefits.
This document provides an introduction to a plant taxonomy course, including:
- An overview of the course content, teaching methods, and exam dates.
- A discussion of why plant classification is important for identification and predicting characteristics.
- An explanation of the main divisions in the plant kingdom, including the differences between gymnosperms and angiosperms, and monocotyledons and dicotyledons.
- Learning objectives focused on demonstrating knowledge of plant classification systems.
Water hyacinth are aquatic plants that float unattached on water surfaces. They have waxy leaves, thick fibrous roots, and spongy leaf stalks containing air spaces that allow them to float. These special adaptations help water hyacinth survive and multiply rapidly in freshwater habitats. The plants have inflated hollow leaf stalks bearing round green leaves and produce light purple flower clusters and capsule fruits with seeds.
This document covers plant growth, development and control. It discusses how growth occurs through cell division at meristems, and how development involves organ formation and maturation. Competition for resources like light, water and nutrients can influence a plant's growth. Auxins control growth through phototropism and other tropisms. Day length influences growth in some plants through a process called photoperiodism. Woody dicots undergo secondary growth through vascular cambium, while monocots strengthen tissue to allow perennial growth.
This document provides an overview of plant growth regulators and botanical nomenclature, as well as environmental issues in gardening. It defines key terms like genus, species, variety and cultivar and explains how to write botanical names. It also discusses environmental protection concerns regarding growing media, pest and disease control, non-native plants, water usage and soil cultivation. The document reviews the main plant growth regulators and their effects, and provides alternatives to chemicals for pest control. It stresses the importance of choosing native plants and conserving water resources in the garden.
Farmers worry about declining crop yields during drought conditions. There are several alternative ways for farmers to overcome this:
1. Plant drought-tolerant crops like cacti and succulents that require less water.
2. Build reservoirs and improve irrigation systems to ensure a steady water supply for crops.
3. Construct greenhouses to better control the temperature and humidity around plants. This allows for plant growth in areas that may otherwise be unsuitable.
4. Explore new areas suitable for agriculture that have reliable access to water if the existing farmland is affected by drought.
This document discusses plant health and different methods of pest and disease control. It explains that gardens are ecosystems with complex relationships between plants, consumers and decomposers. Human activities like harvesting and spraying can disturb the natural balance. Maintaining biodiversity through habitats and plants supports natural predators that control pests. The four main types of control covered are biological, chemical, cultural and integrated pest management. Their benefits and limitations are outlined. Selecting resistant plant varieties and matching plants to conditions can also help avoid health problems. Restoring natural balances through these sustainable practices minimizes pesticide needs.
This document summarizes a plant health training session that covers plant disorders, garden chemicals, and weed identification. The session aims to teach participants to name and describe plant disorders, explain modes of action for pesticides, fungicides and herbicides, identify active ingredients in examples of each, state weed life cycles and botanically name common weeds. The document provides details on physiological disorders, chemical types and modes of action, exercises to test learning, and an overview of learning outcomes.
Year 2 week 33 presentation all sorts of cuttingsvikkis
This document provides instructions for taking and caring for different types of plant cuttings, including softwood, semi-ripe, and leaf cuttings. It explains that cuttings allow plants to be cloned and produce genetically identical offspring through vegetative reproduction. The key steps for taking softwood cuttings are to select a side shoot, cut it below a node, remove lower leaves, and insert the cutting in potting mix. Leaf cuttings can be made by cutting leaf blades into sections or removing the midrib. All cuttings require moisture, warmth, light and nutrients to successfully root and grow into new plants.
Weed control is important in agriculture to prevent weeds from competing with crops and desired plants for space, sunlight, water and nutrients. Techniques for weed control include manual removal with tools, tilling of soil with cultivators, applying mulch, using heat to kill weeds, burning, and applying herbicides. Weeds can reduce crop yields if left uncontrolled and some weed species are invasive, noxious or interfere with livestock. The impact of weed competition depends on conditions, seasons and the type of weed and crop species involved.
The document discusses different types of plant responses to environmental stimuli, including tropisms and flowering responses. It explains that tropisms are plant growth responses guided by hormones, such as auxins, in response to stimuli like light, gravity, water, and touch. Flowering responses are influenced by photoperiodism, where plants use changes in the length of day and night to determine when to flower. Some plants are long-day plants and flower with short nights, while others are short-day plants and flower with long nights. The document also introduces the concept of transgenic crops, which use biotechnology to transfer DNA from one species into another to improve crop traits.
This document classifies and describes different types of hydrophytes:
1. Submerged hydrophytes that grow entirely below the water surface, including submerged floating plants like Ceratophyllum that are not rooted and rooted plants like Hydrilla.
2. Floating hydrophytes that float on or just below the water surface, including free-floating plants like Pistia and rooted plants like Nymphaea whose petioles are suspended in water.
3. Rooted emergent hydrophytes like Sgittaria and Marsilea that are adapted to both aquatic and terrestrial environments, with shoots growing above the water and roots fixed in muddy soil below.
Plant tissues can be divided into three main types: dermal tissue, ground tissue, and vascular tissue. Dermal tissue forms the outer layer and includes the epidermis and cuticle. Ground tissue provides structure and storage. Vascular tissue transports water and nutrients throughout the plant and includes xylem and phloem. Leaves are specialized for photosynthesis and contain mesophyll and vascular bundles. Roots absorb water and minerals from soil and come in two main types: taproots and fibrous roots. Stems provide structure and transport and develop primary and secondary tissues over time.
This document covers a learning module on integrated pest management, containers for protected growing, and specific plant production techniques. It describes the importance of cultural and biological controls for pests and diseases. A variety of container materials are discussed as well as factors for choosing containers. Production methods are outlined for cyclamen, chrysanthemums, and other plants in a protected environment, along with their maintenance needs and common pests or diseases.
This document discusses the life cycles of different types of plants. It explains that seed-bearing plants germinate when a seed receives water, sunlight, and heat, while spore-bearing plants like ferns have a vulnerable gametophyte formation stage. The document also notes that weather changes, water chemicals, and infrastructure building can impact vulnerable stages in plant life cycles.
The document discusses several fungal, bacterial, and viral plant diseases and physiological disorders. It describes the damage caused by diseases like fireblight, bacterial canker, potato leaf curl virus, and tobacco mosaic virus. It also outlines methods for reducing the effects of each disease, such as using resistant varieties, pruning, controlling aphid vectors, and cleaning tools. The life cycles of bacterial canker and potato leaf curl virus are summarized. Methods for avoiding the spread of viruses like tobacco mosaic virus are also provided.
This document provides information on perennial vegetables and legumes. It discusses the cultivation requirements of asparagus, including that it is not part of a crop rotation. It should be grown from crowns in well-drained soil. Pests include asparagus beetle and slugs, while diseases are rust and violet root rot. Runner beans and broad beans are discussed as examples of legumes. They fix nitrogen in the soil through symbiosis with rhizobia bacteria. Pests and diseases of beans include pea and bean weevil and anthracnose for runner beans, and black bean aphid and chocolate spot for broad beans. Quality and yield of crops can be determined by factors like fertilizer use
This document discusses environmental issues and health and safety considerations in gardening. It addresses issues with growing media like peat and alternatives. Pest and disease control methods can impact environments, and chemical controls have limited options. Non-native plants can be invasive and crowd out native species. The document also covers water management, risk assessment processes, general garden safety tips, and safe use of pesticides. Personal protective equipment is important for different gardening tasks.
Studying Crop Differences - Gardening Guides for Students + Teachers + Organic School Gardens
`
For more information, Please see websites below:
`
Organic Edible Schoolyards & Gardening with Children
http://scribd.com/doc/239851214
`
Double Food Production from your School Garden with Organic Tech
http://scribd.com/doc/239851079
`
Free School Gardening Art Posters
http://scribd.com/doc/239851159`
`
Companion Planting Increases Food Production from School Gardens
http://scribd.com/doc/239851159
`
Healthy Foods Dramatically Improves Student Academic Success
http://scribd.com/doc/239851348
`
City Chickens for your Organic School Garden
http://scribd.com/doc/239850440
`
Simple Square Foot Gardening for Schools - Teacher Guide
http://scribd.com/doc/239851110
This document discusses weeds, their identification and control. It defines weeds as plants in the "wrong" place that compete with cultivated plants. Weeds reduce crop productivity and visual appeal by competing for resources. They can also host pathogens and pests, allowing them to overwinter and rapidly infect crops. Weeds are classified as ephemeral, annual or perennial based on their lifespan. Control methods include physical removal, herbicides, and cultural practices. Herbicides are contact, residual, translocated, or selective depending on their mode of action and appropriate uses are outlined.
PPT on Tissue Culture Class 10 CBSE Text Book NCERT.One Time Forever
This is a PPT Based on Class 10 Chapter How Do Organisms Reproduce, on a Small Topic of it That is Tissue Culture with easy and detailed explanation of each topic of tissue culture along with some pictures and some examples. Hopefully it Would Be Helpful To You. Thank You.
The document discusses micropropagation, which is a method of vegetative propagation used to rapidly produce multiple genetically identical copies of plants through tissue culture techniques. It describes the five main stages of micropropagation as preparatory, initiation of culture, multiplication, rooting of shoots, and transplantation. The multiplication stage involves approaches like callus formation, adventitious bud formation, and enhanced axillary branching to produce many new shoots from an explant. Micropropagation offers advantages like producing large numbers of disease-free clones from a single plant in a relatively short time and small space.
This document provides an introduction to a plant taxonomy course, including:
- An overview of the course content, teaching methods, and exam dates.
- A discussion of why plant classification is important for identification and predicting characteristics.
- An explanation of the main divisions in the plant kingdom, including the differences between gymnosperms and angiosperms, and monocotyledons and dicotyledons.
- Learning objectives focused on demonstrating knowledge of plant classification systems.
Water hyacinth are aquatic plants that float unattached on water surfaces. They have waxy leaves, thick fibrous roots, and spongy leaf stalks containing air spaces that allow them to float. These special adaptations help water hyacinth survive and multiply rapidly in freshwater habitats. The plants have inflated hollow leaf stalks bearing round green leaves and produce light purple flower clusters and capsule fruits with seeds.
This document covers plant growth, development and control. It discusses how growth occurs through cell division at meristems, and how development involves organ formation and maturation. Competition for resources like light, water and nutrients can influence a plant's growth. Auxins control growth through phototropism and other tropisms. Day length influences growth in some plants through a process called photoperiodism. Woody dicots undergo secondary growth through vascular cambium, while monocots strengthen tissue to allow perennial growth.
This document provides an overview of plant growth regulators and botanical nomenclature, as well as environmental issues in gardening. It defines key terms like genus, species, variety and cultivar and explains how to write botanical names. It also discusses environmental protection concerns regarding growing media, pest and disease control, non-native plants, water usage and soil cultivation. The document reviews the main plant growth regulators and their effects, and provides alternatives to chemicals for pest control. It stresses the importance of choosing native plants and conserving water resources in the garden.
Farmers worry about declining crop yields during drought conditions. There are several alternative ways for farmers to overcome this:
1. Plant drought-tolerant crops like cacti and succulents that require less water.
2. Build reservoirs and improve irrigation systems to ensure a steady water supply for crops.
3. Construct greenhouses to better control the temperature and humidity around plants. This allows for plant growth in areas that may otherwise be unsuitable.
4. Explore new areas suitable for agriculture that have reliable access to water if the existing farmland is affected by drought.
This document discusses plant health and different methods of pest and disease control. It explains that gardens are ecosystems with complex relationships between plants, consumers and decomposers. Human activities like harvesting and spraying can disturb the natural balance. Maintaining biodiversity through habitats and plants supports natural predators that control pests. The four main types of control covered are biological, chemical, cultural and integrated pest management. Their benefits and limitations are outlined. Selecting resistant plant varieties and matching plants to conditions can also help avoid health problems. Restoring natural balances through these sustainable practices minimizes pesticide needs.
This document summarizes a plant health training session that covers plant disorders, garden chemicals, and weed identification. The session aims to teach participants to name and describe plant disorders, explain modes of action for pesticides, fungicides and herbicides, identify active ingredients in examples of each, state weed life cycles and botanically name common weeds. The document provides details on physiological disorders, chemical types and modes of action, exercises to test learning, and an overview of learning outcomes.
Year 2 week 33 presentation all sorts of cuttingsvikkis
This document provides instructions for taking and caring for different types of plant cuttings, including softwood, semi-ripe, and leaf cuttings. It explains that cuttings allow plants to be cloned and produce genetically identical offspring through vegetative reproduction. The key steps for taking softwood cuttings are to select a side shoot, cut it below a node, remove lower leaves, and insert the cutting in potting mix. Leaf cuttings can be made by cutting leaf blades into sections or removing the midrib. All cuttings require moisture, warmth, light and nutrients to successfully root and grow into new plants.
Weed control is important in agriculture to prevent weeds from competing with crops and desired plants for space, sunlight, water and nutrients. Techniques for weed control include manual removal with tools, tilling of soil with cultivators, applying mulch, using heat to kill weeds, burning, and applying herbicides. Weeds can reduce crop yields if left uncontrolled and some weed species are invasive, noxious or interfere with livestock. The impact of weed competition depends on conditions, seasons and the type of weed and crop species involved.
The document discusses different types of plant responses to environmental stimuli, including tropisms and flowering responses. It explains that tropisms are plant growth responses guided by hormones, such as auxins, in response to stimuli like light, gravity, water, and touch. Flowering responses are influenced by photoperiodism, where plants use changes in the length of day and night to determine when to flower. Some plants are long-day plants and flower with short nights, while others are short-day plants and flower with long nights. The document also introduces the concept of transgenic crops, which use biotechnology to transfer DNA from one species into another to improve crop traits.
This document classifies and describes different types of hydrophytes:
1. Submerged hydrophytes that grow entirely below the water surface, including submerged floating plants like Ceratophyllum that are not rooted and rooted plants like Hydrilla.
2. Floating hydrophytes that float on or just below the water surface, including free-floating plants like Pistia and rooted plants like Nymphaea whose petioles are suspended in water.
3. Rooted emergent hydrophytes like Sgittaria and Marsilea that are adapted to both aquatic and terrestrial environments, with shoots growing above the water and roots fixed in muddy soil below.
Plant tissues can be divided into three main types: dermal tissue, ground tissue, and vascular tissue. Dermal tissue forms the outer layer and includes the epidermis and cuticle. Ground tissue provides structure and storage. Vascular tissue transports water and nutrients throughout the plant and includes xylem and phloem. Leaves are specialized for photosynthesis and contain mesophyll and vascular bundles. Roots absorb water and minerals from soil and come in two main types: taproots and fibrous roots. Stems provide structure and transport and develop primary and secondary tissues over time.
This document covers a learning module on integrated pest management, containers for protected growing, and specific plant production techniques. It describes the importance of cultural and biological controls for pests and diseases. A variety of container materials are discussed as well as factors for choosing containers. Production methods are outlined for cyclamen, chrysanthemums, and other plants in a protected environment, along with their maintenance needs and common pests or diseases.
This document discusses the life cycles of different types of plants. It explains that seed-bearing plants germinate when a seed receives water, sunlight, and heat, while spore-bearing plants like ferns have a vulnerable gametophyte formation stage. The document also notes that weather changes, water chemicals, and infrastructure building can impact vulnerable stages in plant life cycles.
The document discusses several fungal, bacterial, and viral plant diseases and physiological disorders. It describes the damage caused by diseases like fireblight, bacterial canker, potato leaf curl virus, and tobacco mosaic virus. It also outlines methods for reducing the effects of each disease, such as using resistant varieties, pruning, controlling aphid vectors, and cleaning tools. The life cycles of bacterial canker and potato leaf curl virus are summarized. Methods for avoiding the spread of viruses like tobacco mosaic virus are also provided.
This document provides information on perennial vegetables and legumes. It discusses the cultivation requirements of asparagus, including that it is not part of a crop rotation. It should be grown from crowns in well-drained soil. Pests include asparagus beetle and slugs, while diseases are rust and violet root rot. Runner beans and broad beans are discussed as examples of legumes. They fix nitrogen in the soil through symbiosis with rhizobia bacteria. Pests and diseases of beans include pea and bean weevil and anthracnose for runner beans, and black bean aphid and chocolate spot for broad beans. Quality and yield of crops can be determined by factors like fertilizer use
This document discusses environmental issues and health and safety considerations in gardening. It addresses issues with growing media like peat and alternatives. Pest and disease control methods can impact environments, and chemical controls have limited options. Non-native plants can be invasive and crowd out native species. The document also covers water management, risk assessment processes, general garden safety tips, and safe use of pesticides. Personal protective equipment is important for different gardening tasks.
Studying Crop Differences - Gardening Guides for Students + Teachers + Organic School Gardens
`
For more information, Please see websites below:
`
Organic Edible Schoolyards & Gardening with Children
http://scribd.com/doc/239851214
`
Double Food Production from your School Garden with Organic Tech
http://scribd.com/doc/239851079
`
Free School Gardening Art Posters
http://scribd.com/doc/239851159`
`
Companion Planting Increases Food Production from School Gardens
http://scribd.com/doc/239851159
`
Healthy Foods Dramatically Improves Student Academic Success
http://scribd.com/doc/239851348
`
City Chickens for your Organic School Garden
http://scribd.com/doc/239850440
`
Simple Square Foot Gardening for Schools - Teacher Guide
http://scribd.com/doc/239851110
This document discusses weeds, their identification and control. It defines weeds as plants in the "wrong" place that compete with cultivated plants. Weeds reduce crop productivity and visual appeal by competing for resources. They can also host pathogens and pests, allowing them to overwinter and rapidly infect crops. Weeds are classified as ephemeral, annual or perennial based on their lifespan. Control methods include physical removal, herbicides, and cultural practices. Herbicides are contact, residual, translocated, or selective depending on their mode of action and appropriate uses are outlined.
PPT on Tissue Culture Class 10 CBSE Text Book NCERT.One Time Forever
This is a PPT Based on Class 10 Chapter How Do Organisms Reproduce, on a Small Topic of it That is Tissue Culture with easy and detailed explanation of each topic of tissue culture along with some pictures and some examples. Hopefully it Would Be Helpful To You. Thank You.
The document discusses micropropagation, which is a method of vegetative propagation used to rapidly produce multiple genetically identical copies of plants through tissue culture techniques. It describes the five main stages of micropropagation as preparatory, initiation of culture, multiplication, rooting of shoots, and transplantation. The multiplication stage involves approaches like callus formation, adventitious bud formation, and enhanced axillary branching to produce many new shoots from an explant. Micropropagation offers advantages like producing large numbers of disease-free clones from a single plant in a relatively short time and small space.
Micropropagation (tissue culture or invitro culture) refers to the multiplication of plants, in an aseptic condition and in artificial growth medium from plant parts like meristem tip, callus, embryos anthers, axillary buds etc. It is a method by which a true to type and disease free entire plant can be regenerated from a miniature piece of plant in aseptic condition in artificial growing medium rapidly throughout the year.
Cultivation and collection of medicinal plantMegha Shah
This document discusses the cultivation and collection of drugs from natural sources. It covers advantages and disadvantages of cultivation, methods of propagation including sexual and asexual reproduction, and factors that affect cultivation such as temperature, rainfall, soil properties, pests and weeds. Sexual propagation involves growing plants from seeds while asexual propagation uses vegetative parts like stems or roots. Temperature, rainfall, soil type and fertility all impact plant growth. Pests like fungi, viruses and insects as well as weeds must be controlled for successful cultivation.
Cultivation and collection of crude drugs involves propagating medicinal plants through both sexual and asexual methods. Sexual propagation involves growing plants from seeds and has advantages like genetic variation but is slower, while asexual propagation using cuttings, grafting or tissue culture is faster but loses genetic diversity. Crude drugs are collected following appropriate methods at their peak quality times and dried before storage to prevent degradation. Proper cultivation, collection and storage methods help ensure the therapeutic quality and purity of crude drugs.
In vitro propagation of medicinal plants for conservation and quality assuranceanilasajjad
This document discusses the overexploitation and threats to medicinal plant species due to harvesting, habitat loss, and climate change. It states that 15,000 medicinal plant species are threatened. It advocates for the domestication and cultivation of medicinal plants through controlled field culture and tissue culture techniques like micropropagation to help conserve species while ensuring quality and steady supply of raw materials. Micropropagation offers advantages like producing large numbers of plantlets quickly and free of diseases. Different in vitro techniques may be used at various stages of domesticating and cultivating medicinal plants.
This document provides information on irrigation, weed, nutrient, pest, and disease management for nursery plants. It discusses best practices for irrigation such as using sprinklers instead of flood irrigation. Weed management includes timely weeding and using decomposed organic matter instead of fresh compost. Nutrient management involves using organic fertilizers like compost and manures. Common pests like aphids, caterpillars, and diseases like damping off and powdery mildew are described along with symptoms and organic control methods.
The document discusses foliar fertilization, which is the application of nutrients to plant leaves and stems via spraying. It covers the background, basics, and techniques of foliar feeding for sustainable and organic agriculture. A variety of methods for determining nutrient needs and formulating effective foliar sprays are described.
This document discusses foliar fertilization, which involves spraying plant leaves and stems with nutrients. It can increase crop nutrition and yields, improve drought tolerance, and enhance quality. Factors like nutrient form, concentration, application timing and frequency influence results. Foliar feeding is used in both conventional and organic agriculture, but should not replace soil fertility programs. The document provides background on foliar feeding and its potential benefits, as well as guidelines for effective application.
1. Tissue culture can be used to multiply and conserve medicinal and ornamental plants that are difficult to reproduce through conventional methods. It allows for mass production of valuable plants.
2. The document discusses tissue culture techniques for Boston fern and two medicinal plants - peganum harmala and aegle marmelos. For Boston fern, sterile runner tips are cultured on nutrient media to produce new leaves and roots. Tissue culture of aegle marmelos can be done through micropropagation, organogenic callus culture, or culturing nodal explants.
3. Micropropagation of aegle marmelos involves culturing nodal explants on media supplemented with cytokinins,
IT IS USEFULL FOR THE PHARMCY STUDENTS FOR BACHELOR OF PHARMCY AND DOCTOR OF PHARMCY STUDENTS FOR B.PHARM SECOND YEAR STUDENTS AND SECOND YEAR DOCTOR OF PHARMACY STUDENTS
This document discusses methods for cultivating, collecting, and storing natural drugs. It covers:
1. Methods of cultivation including sexual propagation from seeds and asexual propagation through cuttings, grafting, layering, and micropropagation. Cultivation ensures quality, purity, regular supply and allows for research.
2. Factors that affect cultivation including altitude, temperature, rainfall, day length, soil type, and fertility. These factors influence plant growth and secondary metabolite production.
3. The advantages of cultivation are quality, purity, regular supply and industrialization. Disadvantages include higher costs than wild sources and losses from ecological events. Proper cultivation techniques are needed to maximize therapeutic constituents in medicinal plants
Dormancy is when there is a lack of germination in seeds or tubers even though the required conditions (temperature, humidity, oxygen, and light) are provided. Dormancy is based on hard seed coat impermeability or the lack of supply and activity of enzymes (internal dormancy) necessary for germination. Dormancy is an important factor limiting production in many field crops. Several physical and chemical pretreatments are applied to the organic material (seeds/tubers) to overcome dormancy. Physical and physiological dormancy can be found together in some plants, and this makes it difficult to provide high-frequency, healthy seedling growth, since the formation of healthy seedlings from the organic material (seeds/tubers) sown is a prerequisite for plant production. This chapter will focus on the description of four different methods we have not seen reported elsewhere for overcoming dormancy.
Dormancy is a state where seeds lack germination even when conditions are suitable. It is caused by impermeable seed coats or lack of enzymes for germination. This chapter discusses four new methods for overcoming dormancy: exposing seeds to magnetic fields, treating with squirting cucumber fruit juice, sodium hypochlorite solutions, and gamma radiation. Fruit trees must be propagated vegetatively by grafting or budding as seeds will produce hybrids unlike the parent fruit. Seeds require chilling periods before germination and there are several methods described for growing fruit trees from seed.
This document discusses genetically modified drought resistant crops. It begins by defining genetically modified crops as plants modified using genetic engineering to introduce new traits. It then discusses developing drought tolerant crops through conventional breeding and genetic engineering techniques. Conventional breeding is a slow process limited by available genes, while genetic engineering allows introducing genes controlling drought tolerance. The document provides examples of drought tolerance mechanisms in plants and genes introduced through genetic engineering to improve drought resistance in transgenic crops.
This document summarizes a new technique called "Eco-culture" for the clonal multiplication of plants like cashew and coffee. It involves manipulating the external environment of plants to trigger the growth of axillary buds through changes in light and nutrient conditions, allowing continuous production of cloned plantlets without the use of artificial growth media or hormones. The technique aims to overcome issues with genetic instability and uncertainty seen in traditional tissue culture methods, while providing a low-cost and scalable process for clonal plant propagation.
Companion planting involves growing two or more plant species in close proximity to provide cultural benefits like pest control or higher yields. While traditionally based on observation, scientific research has validated mechanisms like trap cropping, nitrogen fixation, biochemical pest suppression, and providing habitat for beneficial insects. A companion planting chart lists traditional associations and incompatibilities for common garden crops. Intercropping systems range from mixed to strip planting arrangements.
Methods of Plant Propagation Sexual and Vegetativeijtsrd
The fruit plants are propagated by two main methods, namely, sexual method and asexual method. Most of the fruit plants do not produce seedlings true to type. Using the asexual method of propagation the fruit plants produce true to type clones of the parent plant. Moreover, these plants also produce uniform yield, fruit size and quality. Although seedling plants produce heavy crop, the fruit size and quality is inferior and do not fetch good return in market. The seedling plants for several fruit crops have long juvenile period and have more vigorous growth habit, which creates difficulty in taking plant protection measures and harvesting of fruits. The fruits of seedling plants do not mature in one stroke and hence, affect the marketing. The asexual methods of plant propagation are of the four types, Cutting, Layering, Budding and Grafting. In this communication we present review on the Sexual method of propagation Seed along with all the asexual or vegetative methods like, Cutting, Layering, Budding and Grafting methods of plant propagation. The cutting method includes root, stem, scion and leaf cutting methods of vegetative propagation. The layering method category encompasses the Natural, Simple, Tip, Compound or Serpentine, Trench, Mound and Air layering methods. The budding method of the asexual propagation includes, T Shield, Inverted T Shield, Chip, I, Patch, Forkert, Flute and Ring Annular Budding methods. Swaraj Meher | Priya Sagar | Smile Sandal "Methods of Plant Propagation: Sexual & Vegetative" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-4 , June 2021, URL: https://www.ijtsrd.compapers/ijtsrd42533.pdf Paper URL: https://www.ijtsrd.comengineering/agricultural-engineering/42533/methods-of-plant-propagation-sexual-and-vegetative/swaraj-meher
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Rooting compounds help root cuttings from difficult to root plant species by speeding up root formation, improving rooting consistency, increasing root quantity, and reducing rooting time. Rooting hormones come in different forms and contain various ingredients that can be applied by quick dipping cuttings, spraying stems, or foliar spraying after sticking. Choosing the right quality rooting powder calibrated for each plant variety is important for successful cloning, as the faster cuttings root, the sooner they can move to the vegetative growth phase and avoid potential issues.
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1. A significant compound for plants to grow.
Vegetative horticulture crops keep on expanding in ubiquity on account of huge creation, showcasing
and garden achievement. Cultivators can engender a wide assortment of herbaceous plants nearby
throughthe assistance of improvedstockplantthe executive’sstrategiesand proliferation conventions
set by industry norms and college research programs. Be that as it may, moderate and hard to-root
plantspeciescankeepmakers from understanding their maximum capacity as propagators. Utilization
of rootingcompound,monetarilyaccessible establishinghormonesmightbe the way to conquering this
test, which eventually prompts an expansion in item assorted variety.
As a rule, the utilization of establishing hormones isn't required for most herbaceous species. The
additional workcost of use isn't fundamental with simple to-root cuttings; be that as it may, spread of
moderate and hard to-root species with establishing hormones may improve establishing rates.
Exogenouslyappliedhormonesadditionallyencourage establishing where social practices or ecological
conditions are not perfect. Models incorporate lopsided clouding, problematic proliferation
temperatures and, now and again, diminished light levels during winter. Maybe the circumstance
whereinestablishing hormonesare bestusedisinproliferationof the "new and bizarre." In the present
commercial centerclientsare intermittentlyrequestingnew itemsquickerthantheycan be created; the
greenbusinessisnomore unusual tothismarvel.Establishing hormones can improve the deceivability
of calm and tropical yearly and lasting species by expanding spread achievement. Normal or valued
woody elaborate gatherings, for example, vines, groundcovers and blooming bushes include a large
number of additional opportunities to a producer's plant stock.
Auxin is a plant hormone that guides in the commencement of extrinsic roots. Indole acidic corrosive
(IAA) is the normally happening auxin found in plants. IAA is associated with about each part of plant
developmentandimprovement.A portionof the procedurescontrolledby IAA remember arrangement
of undevelopedorganismforadvancement,acceptanceof cell division,stemandcleoptile lengthening,
apical strength,enlistmentof establishing,vasculartissueseparation,natural productimprovement,and
tropic developments, for example, twisting toward light. Engineered types of auxin are accessible
monetarilyasIndolebutyriccorrosive (IBA) and napthaleneacetic corrosive (NAA). Business inclination
given to these engineered mixes and less to IAA is outlined by the enormous number of establishing
items accessible containing either of them).
You can get rooting compound facts at Hormex website.