National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Genetic divergence among forty four genotypes of paprika was assessed using Mahalanobis D2 statistic for twenty characters at Horticultural Research Station, Lam, Guntur, Andhra Pradesh. The analysis of variance revealed significant differences among the genotypes for all the characters studied indicating considerable diversity in the material. Based on Mahalanobis D2 statistic, the forty four genotypes were grouped into 6 clusters. The maximum contribution towards genetic divergence was by total extractable colour (21.56%) followed by red carotenoids (19.87%), yellow carotenoids (13.95%), ascorbic acid (7.29%). Among the clusters, clusters III was the largest containing 17 genotypes followed by cluster II (15) and cluster I (9), whereas the clusters IV, V and VI were solitary clusters. The highest inter cluster distance was observed between cluster V and VI (1675.44), whereas the lowest was observed between cluster I and II (217.58). Cluster III (275.34) has exhibited highest intra cluster distance and the lowest was observed in clusters IV, V and VI (0.00), respectively. Cluster analysis by Tocher’s method revealed wide genetic distance (inter cluster) between the genotypes of cluster V (Byadagikaddi) and the cluster VI (Warangal chapatta double patti) and the crossing between genotypes of these two clusters can be exploited for the development of heterotic hybrids in future breeding programmes.
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