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Characterization of Post-Rainy Season Grown Indigenous and Exotic Germplasm Lines of Sorghum for Morphological and Yield Traits

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Relation http://oar.icrisat.org/10111/
http://dx.doi.org/10.9787/PBB.2017.5.2.106
10.9787/PBB.2017.5.2.106
 
Title Characterization of Post-Rainy Season Grown Indigenous and Exotic Germplasm Lines of Sorghum for Morphological and Yield Traits
 
Creator Badigannavar, A
Ashok Kumar, A
Girish, G
Ganapathi, T R
 
Subject Sorghum
Genetics and Genomics
Germplasm Collection
 
Description Sorghum is a major staple crop and vital for the marginal farmers in Asian and African countries. Landraces or germplasm lines adapted to biotic and abiotic stresses are the prime source of adaptive traits in the crop breeding programs. In order to assess the genetic variability, 141 exotic germplasm lines and 36 popular varieties were evaluated for eight agro-morphological traits. Wide range of values were observed for grain yield (6.6–124.4 g/plant), seed index (1.5–7.1 g/100 seeds), panicle length (8–44 cm) and panicle width (7.25 cm). High genotypic and phenotypic coefficient of variation was observed for grain yield per plant. The values of broad sense heritability in the sorghum core population ranged from 0.75 to 0.99. Seed weight, days to flowering, panicle width and leaf area were significantly correlated with grain yield (P ≤ 0.01). Seed weight was positively correlated with panicle width (correlation coefficient 0.31), while negatively correlated with panicle length (correlation coefficient −0.15). Cluster analysis resolved all the genotypes into four major clusters. Among germplasm lines, TSG-313 had high seed weight of 7.05 g/100 seeds, while TSG-325 had highest grain yield of 124.4 g/plant as against control variety. Germplasm lines with high heritability scores would help us to utilise them in recombination breeding.
 
Publisher The Korean Federation of Science and Technology Societies (KOFST)
 
Date 2017-06-01
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/10111/1/pbb-05-106.pdf
Badigannavar, A and Ashok Kumar, A and Girish, G and Ganapathi, T R (2017) Characterization of Post-Rainy Season Grown Indigenous and Exotic Germplasm Lines of Sorghum for Morphological and Yield Traits. Plant Breeding and Biotechnology, 5 (2). pp. 106-114. ISSN 22879358