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- Title
Genetic divergence and interrelationships for yield and yield attributing traits in horsegram.
- Authors
Neelima, G.; Kumar, C. V. Sameer; Kumar, K. Avil; Nataraj, V.
- Abstract
The present experiment was carried out to estimate the genetic diversity by cluster and Principal Component analyses for seven yield and yield attributing traits in 50 horsegram germplasm accessions and two checks during the late kharif, 2019. In correlation analysis, the grain yield was positively and significantly associated with test weight and number of pods which suggested the possibilities of improving grain yield by simultaneous improvement of these traits. Using cluster analysis, the accessions were grouped into five clusters. Based on the average cluster mean, the first cluster had high mean values for grain yield, the number of pods, test weight and plant height. The results of PCA revealed that, PC1, PC2, PC3 having eigenvalue greater than 1 contributed to the total variability of 82.69 per cent. Horsegram genetic improvement is receiving less attention from researchers across the globe. Using the results of this study, there is a tremendous space for genetic enhancement in grain yield of horsegram.
- Subjects
GENETIC variation; PRINCIPAL components analysis; CLUSTER analysis (Statistics); STATISTICAL correlation
- Publication
Electronic Journal of Plant Breeding, 2021, Vol 12, Issue 2, p464
- ISSN
0975-928X
- Publication type
Article
- DOI
10.37992/2021.1202.065