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Stability analysis of interspecific cotton hybrids (Gossypium hirsutum x G . barbadense )

Indian Agricultural Research Journals

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Title Stability analysis of interspecific cotton hybrids (Gossypium hirsutum x G . barbadense )
 
Creator Dhamayanthi, K.P.M
Manickam, S
Rathinavel, K
Agarwal, Dinesh K
 
Subject AMMI analysis; Biplot; Cotton; Interspecific hybrids; Yield
 
Description A study was conducted during 2003-06 to assess the yield stability of 74 interspecific cotton hybrids (Gossypium hirsutum L. x C. barbadense L. ) across 3 environments by using the Additive Main effects and Multiplicative Interactions analysis. The Additive Main effects and Multiplicative lnteraction analysis of variance indicated that the mean sum of square for seed cotton yield indicated that the genotypes, environments and G x E interaction were significantly different (P < 0.01) and it also showed that the environments, genotypes and G x E accounted for 84, 10 and 62% of the treatment sum of squares respectively. The proportion of environmental and G x E interaction variation for seed cotton yield was much larger than the main effects of the genotypes. The genotypes 'G 64,' 'G 58' and 'G 15' showed higher mean seed cotton yield with Principal Component Analysis (PCA) score near to zero indicating higher stability with general adoptability at all environment. The lowest yield was obtained in 'G 3' (820 kg/ha), followed by 'G 14' (954 kg/ ha), 'G 21' (933 kg /ha) and 'G 53' (862 kg/ha).
 
Publisher The Indian Journal of Agricultural Sciences
 
Date 2008-12-05
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/9978
 
Source The Indian Journal of Agricultural Sciences; Vol 78, No 12 (2008)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/9978/4492
 
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