All India Coordinated Sorghum Improvement Project, Akola Centre, Sorghum Research Unit, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra
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Field investigation was done at Sorghum research Unit, Dr. Panjabrao Deshmukh Krishi Vidyapeeth Akola to screen the sorghum genotypes for grain mold resistance. Eighteen genotypes of sorghum valuated in randomized block design (RBD) with three replication and data were collected on nine traits viz., days to 50% flowering, field grain mold rating, per cent glume coverage, threshed grain mold rating, percent grain infected, 1000 seed weight, per cent germination, grain hardness, endosperm texture. Among 18 genotypes, B-58586 recorded lowest field grain mold rating (9.60), threshed grain mold rating (8.46 %), and per cent grain infection (9.86 %). However the fungal load at milk and maturity stage was minimum in B-58586 (7.50% and (44.50 % resp.). This data set indicated that among all the genotypes, B-58586 had resistance to grain mold. Moreover, genotype MS-296 B showed highest field grain mold rating (51.13 %), grain infection (61.9 %), fungus load at milk stage (74.5 %) and maturity stage (91.5 %) which indicated that genotype MS-296 B is susceptible to grain mold incidence. Researchers can utilize B-58586 as a parental material for further breeding or hybridization programme to generate new grain mold resistant genotypes.
Keywords: Grain Mold Resistant Genotypes, Sorghum, Sorghum bicolor
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