Evaluating Commercial Maize Hybrids for Resistance to Gibberella Ear Rot PDF Download
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Author: A. W. Schaafsma
Publisher:
ISBN:
Category : Fusarium research
Languages : en
Pages : 0
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Author: A. W. Schaafsma
Publisher:
ISBN:
Category : Fusarium research
Languages : en
Pages : 0
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Author: Lana M. Reid
Publisher:
ISBN: 9780662245957
Category : Corn
Languages : en
Pages : 25
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Book Description
Author: Jeff L. Bennetzen
Publisher: Springer Science & Business Media
ISBN: 0387794182
Category : Science
Languages : en
Pages : 593
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Book Description
Handbook of Maize: Its Biology centers on the past, present and future of maize as a model for plant science research and crop improvement. The book includes brief, focused chapters from the foremost maize experts and features a succinct collection of informative images representing the maize germplasm collection.
Author:
Publisher: CIMMYT
ISBN: 9789686923797
Category : Corn
Languages : en
Pages : 316
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Book Description
Mechanisms and bases of resistance; The genetics of resistance; Biotechnological manipulation of resistance; Advances in techniques, rearing, rating bioassays, mechanism detection; Resistance verification and utilization; Country reports.
Author: Thomas John Gulya
Publisher:
ISBN:
Category :
Languages : en
Pages : 256
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Author: Sen Han
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: John F. Leslie
Publisher: John Wiley & Sons
ISBN: 1118832868
Category : Science
Languages : en
Pages : 376
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Book Description
Cereal grain safety from farm to table Mycotoxin Reduction in Grain Chains examines the ways in which food producers, inspectors, and processors can keep our food supply safe. Providing guidance on identification, eradication, and prevention at each stop on the "grain chain, this book is an invaluable resource for anyone who works with cereal grains. Discussions include breeding and crop management, chemical control, contamination prediction, and more for maize, wheat, sorghum, rice, and other major grains. Relevant and practical in the field, the lab, and on the production floor, this book features critical guidance for every point from farm to table.
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Publisher:
ISBN:
Category :
Languages : en
Pages :
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Fusarium ear rot and fumonisin contamination are serious problems for North Carolina maize growers. With the discovery of fumonisin toxicity to animals and humans, and the finding that no maize genotypes are resistant to Fusarium verticillioides infection or fumonisin contamination, management strategies for limiting fungal and toxin contamination of harvested grain are necessary. Maize ears were harvested weekly for 14 or 15 weeks after pollination and assayed for percent kernel infection and fumonisin contamination. Kernel infection and fumonisin contamination occurred before kernel maturity and increased throughout the season, with kernel infection peaking 7 to 10 weeks after pollination. Data from this experiment and data from grower's fields indicate that early harvest is necessary to limit rotten kernels and fumonisin in harvested grain. Difficulty in identifying resistant genotypes has limited the development of more resistant hybrids. Many inoculation techniques have been employed to reproduce Fusarium ear rot with marginal results, primarily because differentially resistant and susceptible hybrids were not used to identify promising inoculation techniques. In my study, ears were treated with different inoculation techniques to reproduce ear rot and fumonisin contamination in hybrids of known resistance to Fusarium ear rot. Two inoculation techniques, Pinbar and Silk Channel, were able to separate hybrids on visible ear rot and fumonisin contamination. Addition of inoculum to ears appears important for screening hybrids for resistance to Fusarium ear rot and fumonisin contamination.
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ISBN:
Category :
Languages : en
Pages :
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Book Description
Exotic and unadapted varieties contribute advantageous alleles to crop species. Incorporating exotic germplasm into adapted lines has the additional advantage of broadening the genetic diversity within the common maize germplasm pool. I explore contributions of unadapted or exotic maize germplasm to improved resistance to Fusarium ear rot and fumonisin accumulation or topcross grain yield (quantitatively inherited traits) using different breeding approaches and population structures. Topcrosses of BC1F1:2 lines, developed by backcrossing GE440 FR1064 and selected for divergent levels of resistance to Fusarium ear rot and fumonisin contamination, were used to test the hypothesis that inbred lines with greater resistance to fumonisin contamination produce hybrids with greater ear rot resistance and greater resistance to yield loss under inoculation. Experimental results did not support the hypothesis, but this result may have been due to low levels of infection in the field trials. Selected BC4F1:3-derived lines representing advanced backcross generations of GE440 alleles into the FR1064 genetic background and their topcrossed hybrids were evaluated in field trials for disease resistance and yield potential. Experimental results demonstrate that advanced backcross generations produce lines comparable to FR1064 for grain yield but with better ear rot and fumonisin resistance, that indirect selection for reduced fumonisin content by selection for ear rot resistance was partially effective, but that selection for improved inbred disease resistance again did not result in improved topcross disease resistance. A random-mated, genetically broad-based population referred to as the Resistant to Fusarium population, was developed to combine alleles for Fusarium ear rot resistance and improved agronomic traits from diverse maize germplasm. One cycle of selection was conducted in this population to test the hypothesis that index selection for reduced Fusarium ear rot, reduced lo.
Author:
Publisher:
ISBN:
Category : Aquaculture
Languages : en
Pages : 280
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Book Description
