TITLE:
Reaction of Sorghum Differentials to Grain Mold Infection in Puerto Rico
AUTHORS:
Louis K. Prom, Hugo E. Cuevas
KEYWORDS:
Sorghum, Grain Mold, Fungi, Resistance, Sorghum Differentials, Seed Germination, Seed Weight
JOURNAL NAME:
American Journal of Plant Sciences,
Vol.14 No.11,
November
7,
2023
ABSTRACT: Grain mold, associated with many fungi, is the
most important disease of sorghum, causing both yield and quality losses. In
this study, 23 sorghum differentials used in pathotype characterization of
anthracnose and head smut pathogens were
evaluated for grain mold resistance under favorable conditions in
Isabela, Puerto Rico. Lines BTx643 and IS18760 exhibited the lowest grain mold severity, indicating that these two may
possess genes for grain mold resistance. These two lines also recorded
the highest germination rates 94.7% and 97.6%, respectively, and their seed
weight was among the heaviest. In conclusion, these two lines can be utilized in
breeding programs to develop grain mold-resistant hybrid lines.