Genetic Divergence Study in Bitter gourd (Momordica charantia L.)
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Society for Promotion of Horticulture
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The genetic divergence of forty bitter gourd genotypes was studied for sixteen different parameters by adopting Mahalanobis D2 statistics using Tocher’smethod. The genotypes were grouped into six clusters irrespective of geographic divergence, indicating no parallelism between geographic and genetic diversity. A maximum of 32 genotypes entered in cluster I, followed by 4 genotypes in cluster II. The cluster III, IV, V and VI had single genotypes each. Maximum inter cluster distance observed between cluster II and cluster IV followed by cluster IV and cluster V and cluster II and V. This indicates, the genotypes belonging to cluster II (GYB-3-1- 2, Bit-3-1-2-1, Bit-3-1-1-1, ArkaHarit), cluster IV (IC-68238) and cluster V (Bit-18-1-1) are more diverse and hence, hybridization between genotypes of respective cluster may improve the yield and quality of bitter gourd.
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