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Genetic Divergence for Yield, Physiological and Quality Traits in Super-Early Pigeon pea (Cajanus cajan. (l.) Millsp.)

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Relation http://oar.icrisat.org/11465/
https://doi.org/10.20546/ijcmas.2020.901.276
doi:10.20546/ijcmas.2020.901.276
 
Title Genetic Divergence for Yield, Physiological and Quality Traits in Super-Early Pigeon pea (Cajanus cajan. (l.) Millsp.)
 
Creator Shruthi, H B
Hingane, A J
Sekhar, M R
Kumar, C V S
Prashanthi, L
Reddy, B V B
Sudhakar, P
Srivarsha, J
Bhosle, T M
Anil Kumar, V
Rathore, A
 
Subject Crop Physiology
Soil Fertility
Pigeonpea
Genetics and Genomics
 
Description The present investigation aimed to study genetic divergence and clustering pattern of 37super-early pigeon pea genotypes. Analysis of variance and hierarchical cluster analysis of tocher’s method revealed significant differences among the genotypes for all the traits under study. Based on genetic distance (D2 value), the 37 genotypes were grouped into 9 distinctive clusters, of which cluster I and II formed the largest clusters with 10 genotypes in each. Among all the characters understudy, leaf area index(LAI) at 60 DAS contributed more to the divergence followed by leaf area (17.02) and leaf area index (12.71) at maturity. Based on the average inter-cluster distance, the cluster III and IX (66.93) tailed by cluster III and VIII (64.86) and cluster VI and VIII (64.06) showed higher inter-cluster distance depicting the wider divergence. Trait-wise selection of diverse parents from the above clusters aids in exploitation of heterosis in superearly pigeon pea.
 
Date 2020-01
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11465/1/H.B.%20Shruthi%2C%20et%20al.pdf
Shruthi, H B and Hingane, A J and Sekhar, M R and Kumar, C V S and Prashanthi, L and Reddy, B V B and Sudhakar, P and Srivarsha, J and Bhosle, T M and Anil Kumar, V and Rathore, A (2020) Genetic Divergence for Yield, Physiological and Quality Traits in Super-Early Pigeon pea (Cajanus cajan. (l.) Millsp.). International Journal of Current Microbiology and Applied Sciences, 9 (1). pp. 2422-2433. ISSN 2319-7692