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Phenotypic stability for grain mold resistance, grain yield and its components in sorghum (Sorghum bicolor L.)

OAR@ICRISAT

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Relation http://oar.icrisat.org/9372/
 
Title Phenotypic stability for grain mold resistance, grain yield and its components in sorghum (Sorghum bicolor L.)
 
Creator Rao, V T
Sanjana Reddy, P
Reddy, B V S
Hussain Sahib, K
 
Subject Sorghum
 
Description A total of 203 genotypes of grain sorghum including 8 lines and 21 testers and their 168 hybrids with 6 checks were evaluated for grain mold resistance, grain yield and its components in 2 locations in 2 years. Significant genotype and environmental interactions for Panicle Grain Mold Rate (PGMR), Threshed Grain Mold Rate (TGMR) and days to 50% flowering indicating differential behavior of genotypes under different environments for these characters. The hybrids are classified into 3 groups based on stability performance. Forty-six hybrids exhibited stable performance across environments in which top 5 hybrids (ICSA 384 × GD 65028, ICSA 370 × GD 65028, ICSA 384 × GD 65055, ICSA 369 × GD 65028 and ICSA 370 × GD 65055) with low PGMR scores. None of the resistant hybrids were adaptable to favorable environments. Two hybrids, ICSA 369 × GD 65055 and ICSA 369 × ICSR 89058, were suitable for unfavorable environments with low PGMR scores.
 
Publisher Society for the Advancement of Breeding Researchin Asia and Oceania
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/9372/1/SABRAO%20J%20Breed%20Genet%2045%283%29%20510-522%20_2013.pdf
Rao, V T and Sanjana Reddy, P and Reddy, B V S and Hussain Sahib, K (2013) Phenotypic stability for grain mold resistance, grain yield and its components in sorghum (Sorghum bicolor L.). SABRAO Journal of Breeding and Genetics, 45 (3). pp. 510-522. ISSN 1029-7073