Grouping of tolerance indices and response of Kabuli and Desi type chickpea genotypes to drought stress
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
In this study, response of 64 Kabuli chickpea genotypes under drought stress was conducted by 8*8 simple lattice designs under non-stress and stress conditions on the Research Field of Koohin (Tehran University). According to MP, GMP, HARM, STI, YI, K1STI and K2STI, genotype No-51, according to SSI, YSI, YR and RDI, genotype No-18, according to TOL, ATI, SSPI and DRI, genotype No-16, according to DI and SNPI, genotype No-42 were identified as the most tolerant genotypes. Indices of MP, GM, HARM, STI, TOL, YI, DI, ATI, SSPI, SNPI, K1STI and K2STI had robust and positive correlation with yield in non stress and stress conditions and introduced for selection of tolerate and sensitive genotypes to drought stress. Factor coefficient in first factor with explanation of 62.57%, gave the highest scores to genotypes of 51, 60, 53 and 52 (Zone of A) as most tolerance gave the least scores to genotypes of 32, 27, 24 and 62 as most sensitive (Zone of D) and second factors with explanation of 33.28% gave the highest scores to genotypes of 29, 51, 60 and 28 (Zone of A) as most tolerance gave the least scores to genotypes of 18, 16, 42 and 24 as most sensitive (Zone of D and C). The cluster analysis based on drought tolerance indices, the genotypes were grouping in three clusters, so that tolerant genotypes grouped in cluster three, the sensitive genotypes grouped in cluster two and the semi sensitive genotypes grouped in cluster one.
Language:
Persian
Published:
Iranian Journal of Field Crop Science, Volume:48 Issue: 3, 2018
Pages:
647 to 664
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