Relative Effects of Waxy, Heterozygous and Starchy Genes on Yielding Ability in Grain Sorghum PDF Download
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Author: Linlie Neal Wright
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Author: Linlie Neal Wright
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Author: Melvin Douglas Jones
Publisher:
ISBN:
Category : Sorghum
Languages : en
Pages : 20
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 322
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Author: James D. Prater
Publisher:
ISBN:
Category :
Languages : en
Pages : 42
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Author: Caleb Pagan Carlo
Publisher:
ISBN:
Category : Beef cattle
Languages : en
Pages : 838
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Author: Michael M. Afanasiev
Publisher:
ISBN:
Category : Beef cattle
Languages : en
Pages : 526
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Author: Leslie Charles Kuhlman
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Sorghum grain with a waxy endosperm is more digestible and has a higher feeding efficiency compared to sorghum grain with a non-waxy (or normal) endosperm. However, waxy sorghums (Sorghum bicolor (L.) Moench) yield 10-15% less than normal sorghum and the cause of the yield reduction is unclear. The objective of this research is to determine if the yield decrease could be due to the waxy phenotype itself. The waxy phenotype is an example of a xenia effect, where the pollen not only contributes to the genotype of the resulting hybrid, but also immediately influences the phenotype of the resulting seed. Sterile hybrids under different pollination types, and different genotypes of fertile hybrids, both resulted in hybrids that produced different ratios of waxy phenotype seed. The effects on yield and 500 kernel weight were investigated in Weslaco, College Station, and Halfway, Texas over two years. Yields of sterile heterozygous waxy hybrids under waxy pollination, which produced an average 27% waxy seed over all environments, were nearly identical to homozygous nonwaxy hybrids that produced 0% waxy seed. Average 500 kernel weights for the same hybrids were not different. Grain yields for the fertile hybrid genotypes were significantlydifferent. Hybrids which produced 100% waxy seed yielded significantly less than hybrids which produced 25% waxy seed. Upon further examination, hybrids that were produced from waxy F1 endosperm seed (wxwxwx) had significantly worse stand and panicle number per plot means than did hybrids from nonwaxy F1 endosperm seed(Wxwxwx). Grain yields adjusted for panicle number showed no significant differences. The average 500 kernel weights between hybrids with different amounts of waxy phenotype grain did not significantly differ. The yield effect seen in this population was the result of waxy endosperm hybrid seed displaying significantly poorer stand establishment than nonwaxy endosperm hybrid seed. These data do not support a xenia yield effect due to the waxy gene.
Author: Ignacio A. Ciampitti
Publisher: John Wiley & Sons
ISBN: 0891186271
Category : Technology & Engineering
Languages : en
Pages : 528
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Book Description
Sorghum is among the top five cereals and one of the key crops in global food security efforts. Sorghum is a resilient crop under high-stress environments, ensuring productivity and access to food when other crops fail. Scientists see the potential of sorghum as a main staple food in a future challenged by climate change. The contributors provide a comprehensive review of sorghum knowledge. The discussion covers genetic improvements, development of new hybrids, biotechnology, and physiological modifications. Production topics include water and nutrient management, rotations, and pest control. Final end uses, sorghum as a bioenergy crop, markets, and the future of sorghum are presented. IN PRESS! This book is being published according to the “Just Published” model, with more chapters to be published online as they are completed.
Author: Leland R. House
Publisher:
ISBN:
Category :
Languages : en
Pages : 238
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Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251305269
Category : Technology & Engineering
Languages : en
Pages : 319
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Book Description
This paper provides guidelines for new high-throughput screening methods – both phenotypic and genotypic – to enable the detection of rare mutant traits, and reviews techniques for increasing the efficiency of crop mutation breeding.
