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.
Seed dormancy is fully explained in this ppt. it includes causes ( dormancy due to hard seed coat, dormancy due to condition of embryo, dormancy due to absence of light, dormancy due to low temperature etc. ) of seed dormancy, types of seed dormancy, various methods to remove seed dormancy like impaction, stratification, scarification, exposure of seed to light
This ppt includes the following-
1.What is Seed Germination
2.Pattern Of Seed Germination
3.Physiology Of Seed Germination
4.Various Roles of GA in Seed Germination
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.
Seed dormancy is fully explained in this ppt. it includes causes ( dormancy due to hard seed coat, dormancy due to condition of embryo, dormancy due to absence of light, dormancy due to low temperature etc. ) of seed dormancy, types of seed dormancy, various methods to remove seed dormancy like impaction, stratification, scarification, exposure of seed to light
This ppt includes the following-
1.What is Seed Germination
2.Pattern Of Seed Germination
3.Physiology Of Seed Germination
4.Various Roles of GA in Seed Germination
This PowerPoint is one small part of the Taxonomy and Classification unit from www.sciencepowerpoint.com. Teaching Duration = 7 Weeks. A 2700 slide PowerPoint presentation becomes the roadmap for an amazing science experience. Complete with bundled homework package, hands-on activities built into the slideshow with directions, many built-in quizzes, answer keys, unit. Areas of Focus in The Plant Unit: Plant photo tour, Plant Evolution, Importance of Algae, Lichens, The Three Types of Lichens, Non-Vascular Plants, Bryophytes,Seedless Vascular Plants (Ferns), Seeds, Seed Dormancy, Factors that Break Seed Dormancy, Germination, Parts of a Young Plant, Monocots and Dicots, Roots and Water, Types of Roots, Water Uptake and Photosynthesis, Plant Hormones, Types of Plant Tissues, Xylem and Phloem, Woody Plants, Leaves,Light and Plants, Transpiration, Guard Cells, Leaf Identification, Plant Life Cycles, Seed Plant Life Cycles, Parts of a Flower, Matured Ovaries (Fruits), Types of Fruit and much more. f you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy www.sciencepowerpoint@gmail.com
The flowers and fruit lets drop is very common problem in Citrus production. it effected by physiological disorders, biochemical reactions and sever environmental conditions.
A Slideshow for Gr 12 Life Sciences students, focussing on aspects of plant responses to the environment. It is essentially about plant hormones - Auxins, gibberellins, Abscicic acids, etc. Also contains information on plant defense, geotropism and phototropism.
Seed dormancy is defined as a state in which seeds are prevented from germinating even under environmental conditions normally favorable for germination.
These conditions are a complex combination of water, light, temperature, gasses, mechanical restrictions, seed coats, and hormone structures.Seed is a ripe and fertilized ovule that encloses an embryo
It is the connecting link between parents and progeny.
Structurally seeds have four major components,
Seed coat or a protective envelope
Embryo
Reserve food and minerals which provide nourishment
Enzymes and hormones for the digestion of food and formation of new tissues during germination
One important function of most seeds is delayed germination, which allows time for dispersal and prevents germination of all the seeds at the same time.
The staggering of germination safeguards some seeds and seedlings from suffering damage or death from short periods of bad weather or from transient herbivores; it also allows some seeds to germinate when competition from other plants for light and water might be less intense.
Generally plants or plant structures, in order to overcome or survive against hostile environmental conditions undergo a period of dormancy with suitable modifications.
In lower plants production of endospores, zygospores, auxospores, akinetes, etc, are some of the methods involved in tiding over unfavorable conditions
Angiosperms produce seeds within the ovary and ovary itself develops into a fruit. In Gymnosperms only seeds develop.
This PowerPoint is one small part of the Taxonomy and Classification unit from www.sciencepowerpoint.com. Teaching Duration = 7 Weeks. A 2700 slide PowerPoint presentation becomes the roadmap for an amazing science experience. Complete with bundled homework package, hands-on activities built into the slideshow with directions, many built-in quizzes, answer keys, unit. Areas of Focus in The Plant Unit: Plant photo tour, Plant Evolution, Importance of Algae, Lichens, The Three Types of Lichens, Non-Vascular Plants, Bryophytes,Seedless Vascular Plants (Ferns), Seeds, Seed Dormancy, Factors that Break Seed Dormancy, Germination, Parts of a Young Plant, Monocots and Dicots, Roots and Water, Types of Roots, Water Uptake and Photosynthesis, Plant Hormones, Types of Plant Tissues, Xylem and Phloem, Woody Plants, Leaves,Light and Plants, Transpiration, Guard Cells, Leaf Identification, Plant Life Cycles, Seed Plant Life Cycles, Parts of a Flower, Matured Ovaries (Fruits), Types of Fruit and much more. f you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy www.sciencepowerpoint@gmail.com
The flowers and fruit lets drop is very common problem in Citrus production. it effected by physiological disorders, biochemical reactions and sever environmental conditions.
A Slideshow for Gr 12 Life Sciences students, focussing on aspects of plant responses to the environment. It is essentially about plant hormones - Auxins, gibberellins, Abscicic acids, etc. Also contains information on plant defense, geotropism and phototropism.
Seed dormancy is defined as a state in which seeds are prevented from germinating even under environmental conditions normally favorable for germination.
These conditions are a complex combination of water, light, temperature, gasses, mechanical restrictions, seed coats, and hormone structures.Seed is a ripe and fertilized ovule that encloses an embryo
It is the connecting link between parents and progeny.
Structurally seeds have four major components,
Seed coat or a protective envelope
Embryo
Reserve food and minerals which provide nourishment
Enzymes and hormones for the digestion of food and formation of new tissues during germination
One important function of most seeds is delayed germination, which allows time for dispersal and prevents germination of all the seeds at the same time.
The staggering of germination safeguards some seeds and seedlings from suffering damage or death from short periods of bad weather or from transient herbivores; it also allows some seeds to germinate when competition from other plants for light and water might be less intense.
Generally plants or plant structures, in order to overcome or survive against hostile environmental conditions undergo a period of dormancy with suitable modifications.
In lower plants production of endospores, zygospores, auxospores, akinetes, etc, are some of the methods involved in tiding over unfavorable conditions
Angiosperms produce seeds within the ovary and ovary itself develops into a fruit. In Gymnosperms only seeds develop.
This presentation will led you to a good knowledge about the seed dormancy , its breaking methods and importance . Its an educational material delivered by me in my college presentation.
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...Dr. Vinod Kumar Kanvaria
Exploiting Artificial Intelligence for Empowering Researchers and Faculty,
International FDP on Fundamentals of Research in Social Sciences
at Integral University, Lucknow, 06.06.2024
By Dr. Vinod Kumar Kanvaria
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Pride Month Slides 2024 David Douglas School District
ubaid afzal
1.
2. Dormancy is a mechanism to prevent
germination
Unsuitable ecological conditions
When the probability of seedling survival is
low.
3. A dormant seed is unable to germinate in a
specified period of time.
Many species of plants have seeds that delay
germination for many months or years.
4. ABA promotes seed dormancy
Dormancy is broken by the environmental
degradation of ABA.
9. Bud dormancy is a suspension of most
physiological activity and growth that can be
reactivated.
Response to environmental conditions such
as seasonality or extreme heat, drought, or
cold.
10. The exit from bud dormancy is marked by
the resumed growth of the bud.
Induction of dormancy in buds starts after
falling of leaves.
Dormant buds contain excess of ABA
