Genetic Diversity Analysis in Non-Basmati Aromatic Rice
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2018, Vol 8, Issue 2
Abstract
The experiment was conducted during two Kkharif seasons (June-November) at the Agriculture Farm of Palli Siksha Bhavana (Institute of Agriculture), Visva-Bharati, Sriniketan to determine the genetic diversity among twenty- eight aromatic non-basmati rice genotypes which were originated in different eco-geographical region of eastern India, collected from different research stations and institutions belonging to West Bengal and Bihar. The genotypes were grouped into 5 clusters based on Mahalanobis’s D2 statistics. Cluster-I consisted of with the highest number of genotypes (16), followed by a cluster-II (6), cluster-V (3), cluster-III (2) and cluster-IV was solitary clusters. The clustering, pattern of genotypes indicated the little relation of genetic divergence with geographical differential. Average intra cluster distance was highest 13.3 in cluster V and maximum inter cluster distance 77.22 was found between cluster V and II followed by cluster V and III (70.42), cluster V and I (44.54) and so on. This indicated the considerable amount of divergence within and between clusters. Cluster V played an important role in the inter-cluster distance. Cluster V exhibited highest mean value for days of to 50% flowering, plant height, and flag leaf area. Cluster II was characterized by the lowest mean value of days to 50% flowering and high value of panicle length and test weight. The genotypes from these clusters with desirable characters may be used as a potential donor for future hybridization program to develop high yielders
Authors and Affiliations
NIHAR RANJAN CHAKRABORTY1, SUDIP BHATTACHRAYA
Keywords
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- EP ID EP343741
- DOI 10.24247/ijasrapr201826
- Views 137
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