Influence of Seed Vigor on Field Performance of Small Grain Crops PDF Download
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Author: Thomas Preston Frappier
Publisher:
ISBN:
Category : Barley
Languages : en
Pages : 108
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Book Description
Author: Thomas Preston Frappier
Publisher:
ISBN:
Category : Barley
Languages : en
Pages : 108
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Book Description
Author: Riad Zouheir Baalbaki
Publisher:
ISBN:
Category : Soft wheat
Languages : en
Pages : 242
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Book Description
Author: Juvent Baramburiye
Publisher:
ISBN:
Category : Seed technology
Languages : en
Pages : 126
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Book Description
Author: Cilas P. Camargo
Publisher:
ISBN:
Category : Sorghum
Languages : en
Pages : 150
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Book Description
Hybrid grain sorghum seeds were aged artifically for 0, 3, 5, 7, and 11 days at 42oC and 100% RH, wich produced high, medium, low and lowest vigor level. Among the various laboratory tests performed, standard germination and field mergence, were the least sensitive in discerning the physiological condition of the seed lots. The speed of germination more accurately differentiated the degree of deterioration of the seed lots and was closety correlated to yield. Adverse effect of planting low vigor seeds was found to be related to plant height, panicle exsertion, anthesis, tillering capacity, length of the panicle, and yield. Less vigours seeds produced plants which were not able to "catch up" to the vigorous ones. These slow growing plants were significantly inferior in panicle exsertion to those produced from more vigorous seeds. Seeds aged for 7 and 11 days had their process of exsertion delayed for about 2 and 3 days, respectively. Anthesis, conseguently, was also significantly retarded. Tillering capacity of plants produced from low vigor seeds was significantly reduced, as well as grain yield. Primary head yield was also significantly reduced about 14% for the more deteriorated seeds, and 12% for the mixed treatment, as compared to the control. Yield reductions of 9, 4, and 3% were also detected in seeds aged for 7, 5, and 3 days, respectively, as compared to the check. Seed moisture content generally increases as the vigor level decreased, indicating that the process of maturation was delayed as a (...).
Author: Dennis B Egli
Publisher: CABI
ISBN: 1780647700
Category : Technology & Engineering
Languages : en
Pages : 233
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Book Description
This new edition of an established title examines the determination of grain crop yield from a unique perspective, by concentrating on the influence of the seed itself. As the food supply for an expanding world population is based on grain crops harvested for their seeds, understanding the process of seed growth and its regulation is crucial to our efforts to increase production and meet the needs of that population. Yield of grain crops is determined by their assimilatory processes such as photosynthesis and the biosynthetic processes in the seed, which are partly regulated within the seed itself. Substantially updated with new research and further developments of the practical applications of the concepts explored, this book is essential reading for those concerned with seed science and crop yield, including agronomists, crop physiologists, plant breeders, and extension workers. It is also a valuable source of information for lecturers and graduate students of agronomy and plant physiology.
Author: MANJUNATHA SWAMY K. K
Publisher:
ISBN:
Category :
Languages : en
Pages : 114
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Book Description
Author: Eric Hywel Roberts
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 470
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Book Description
Storage environment and the control of viability, microflora and seed deterioration, effects of mechanical injuries on viability, effects of environment before harvesting on viability, effects of environment after sowing on viability, the measurement of viability, vigour, cytological, genetical, and metabolic changes associated with loss of viability, loss of viability and crop yields, dormancy: a factor affecting seed survial in the soil, control mechanisms in the resting seed, organisation of the United States National seed storage laboratory, organisation of the National seed storage laboratory for genetic resources in Japan, viability monographs, moisture content of seeds.
Author: Alan G Taylor
Publisher:
ISBN: 9783036517704
Category :
Languages : en
Pages : 196
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Book Description
Satisfying the increasing number of consumer demands for high-quality seeds with enhanced performance is one of the most imperative challenges of modern agriculture. In this view, it is essential to remember that the seed quality of crops does not improve.
Author: Andy Clark
Publisher: DIANE Publishing
ISBN: 1437903797
Category : Technology & Engineering
Languages : en
Pages : 248
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Book Description
Cover crops slow erosion, improve soil, smother weeds, enhance nutrient and moisture availability, help control many pests and bring a host of other benefits to your farm. At the same time, they can reduce costs, increase profits and even create new sources of income. You¿ll reap dividends on your cover crop investments for years, since their benefits accumulate over the long term. This book will help you find which ones are right for you. Captures farmer and other research results from the past ten years. The authors verified the info. from the 2nd ed., added new results and updated farmer profiles and research data, and added 2 chap. Includes maps and charts, detailed narratives about individual cover crop species, and chap. about aspects of cover cropping.
Author: Susana Araújo
Publisher: BoD – Books on Demand
ISBN: 953512658X
Category : Technology & Engineering
Languages : en
Pages : 214
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Book Description
New Challenges in Seed Biology - Basic and Translational Research Driving Seed Technology combines different aspects of basic and translational research in seed biology. A collection of eight chapters written by seed biology experts from the field of seed physiology, ecology, molecular biology, biochemistry, and seed technology was gathered. We hope that this book will attract the attention of researchers and technologists from academia and industry, providing points for interactive and fruitful discussion on this fascinating topic.
