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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 976
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Book Description
Includes abstracts of the annual meetings of the American Society of Agronomy; Soil Science Society of America; Crop Science Society of America ( - of its Agronomic Education Division).
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 976
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Book Description
Includes abstracts of the annual meetings of the American Society of Agronomy; Soil Science Society of America; Crop Science Society of America ( - of its Agronomic Education Division).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1130
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 2330
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 858
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Book Description
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1238
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Book Description
Author: Muhammad Aslam
Publisher: Springer
ISBN: 3319254421
Category : Science
Languages : en
Pages : 79
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Book Description
This book focuses on early germination, one of maize germplasm most important strategies for adapting to drought-induced stress. Some genotypes have the ability to adapt by either reducing water losses or by increasing water uptake. Drought tolerance is also an adaptive strategy that enables crop plants to maintain their normal physiological processes and deliver higher economical yield despite drought stress. Several processes are involved in conferring drought tolerance in maize: the accumulation of osmolytes or antioxidants, plant growth regulators, stress proteins and water channel proteins, transcription factors and signal transduction pathways. Drought is one of the most detrimental forms of abiotic stress around the world and seriously limits the productivity of agricultural crops. Maize, one of the leading cereal crops in the world, is sensitive to drought stress. Maize harvests are affected by drought stress at different growth stages in different regions. Numerous events in the life of maize crops can be affected by drought stress: germination potential, seedling growth, seedling stand establishment, overall growth and development, pollen and silk development, anthesis silking interval, pollination, and embryo, endosperm and kernel development. Though every maize genotype has the ability to avoid or withstand drought stress, there is a concrete need to improve the level of adaptability to drought stress to address the global issue of food security. The most common biological strategies for improving drought stress resistance include screening available maize germplasm for drought tolerance, conventional breeding strategies, and marker-assisted and genomic-assisted breeding and development of transgenic maize. As a comprehensive understanding of the effects of drought stress, adaptive strategies and potential breeding tools is the prerequisite for any sound breeding plan, this brief addresses these aspects.
Author:
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ISBN:
Category : Plant breeding
Languages : en
Pages : 1238
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Book Description
Author:
Publisher: CIMMYT
ISBN:
Category :
Languages : en
Pages : 256
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Book Description
Author: Walther P. Feistritzer
Publisher: Food & Agriculture Organization of the UN (FAO)
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 270
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Book Description
Variety evaluation; Variety release; Seed production and harvesting; Seed drying and processing; Seed storage and packaging; Seed marketing; Seed testing; Seed certification; Seed legislation; Extension programme for the promotion of quality seed.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251309515
Category : Technology & Engineering
Languages : en
Pages : 126
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Book Description
This toolkit – made available in English, French and Spanish – will be promoted as practical guidance to assist in the implementation of the national seed strategies. It will provide a number of practical capacity building tools for essential stages of the seed value chain and targeted primarily at seed sector practitioners who will participate in special training workshops to acquire pertinent technical knowledge and will be expected in return to create a multiplier effect through further follow-up FFS trainings down to the level of seed traders and farmers. In doing so, the toolkit will be used as guidance for conducting country-led workshops and other training activities aimed at strengthening quality seed delivery systems and seed regulatory mechanisms in selected countries. The development of capacity in the production of high quality seeds, the seed replacement rates, true seed cost and realistic seed pricing mechanisms as well as the role of different stakeholders are of critical importance in the process of the formulation of national seed policies, which is one of the core areas of FAO’s delivery at the national level.
