Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Aflatoxin Accumulation in Maize Hybrids of Different Maturities

F. J. Betrán*,a and T. Isakeitb

a Maize Breeding and Genet. Progr., Texas A&M Univ., College Station, TX 77845
b Dep. Plant Pathology and Microbiol., Texas A&M Univ., College Station, TX 77843



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Fig. 1. Relationship between aflatoxin (AF) concentration (ng g–1) and maturity of full-, intermediate-, and early-season commercial hybrids inoculated with Aspergillus flavus across Weslaco and College Station, TX. SD, silking date.

 


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Fig. 2. Relationship between aflatoxin (AF) concentration (ng g–1) and grain yield (GY, Mg ha–1) of full-, intermediate-, and early-season commercial hybrids inoculated with Aspergillus flavus across Weslaco and College Station, TX.

 


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Fig. 3. Relationship between aflatoxin (AF) concentration (ng g–1) and husk coverage (HC) rating (1 = well-covered ear; 5 = poorly covered ear) of full-, intermediate-, and early-season commercial hybrids inoculated with Aspergillus flavus in College Station and Weslaco, TX.

 


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Fig. 4. Example of good husk coverage (top ear, rating = 1) and poor husk coverage (lower ear, rating = 4.5) (Courtesy: Dr. Gary Odvody).

 





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