STUDIES ON GENETIC DIVERGENCE IN CHILLI (CAPSICUM ANNUUM VAR. ANNUUM L.)
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 1
Abstract
A study on genetic diversity in 74 genotypes of chilli for various characters revealed substantial differences for all the characters. The accessions were grouped into seven clusters with maximum number of genotypes in cluster V with thirty three genotypes followed by cluster-VII with twenty seven genotypes, cluster IV with five genotypes and cluster I, II, III and VI with two genotypes each. Maximum intra cluster distance (228.90) was observed in cluster-VII followed by cluster-IV (205.06) and cluster-V (191.05) which suggested appreciable genetic diversity within particular cluster. The minimum inter cluster divergence was noticed between cluster II and VI (113.33), followed by cluster II and III (123.38), cluster III and VI (124.36) and they seemed to be closely related as compared to other pairs of clusters. The maximum inter cluster distance was observed between cluster- II and IV (292.86), followed by cluster IV and V (266.67), cluster IV and VII (266.24). Intercrossing among the genotypes belonging to cluster-I, II, IV and V was suggested to develop high yielding genotypes with desirable characters viz., Plant height, number of branches per plant, days to flowering, fresh fruit weight, fruit length, fruit girth, number of fruits per plant, number of seed per pod, capsaicin, oleoresin, fresh pod yield per plant and dry pod yield per plant.
Authors and Affiliations
Vani tha, JANSI RANI
Keywords
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