Genetic analysis for quantitative characters in cardamom (Elettaria cardamomum Maton)

Prasath, D.; Venugopal, M.N.

Indian Journal of Genetics and Plant Breeding 62(2): 179-180


ISSN/ISBN: 0019-5200
Accession: 003781691

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The estimates of combining abilities in cardamom cultivars CCS-1 (high yielding), RR-1 (rhizome rot tolerant), NKE-3, NKE-9, NKE-12, NKE-19, NKE-27, and NKE-42 were studied. Analysis of variance for combining ability effects of different traits showed that general (gca) and specific combining ability (sca) were highly significant for all the traits indicating that both additive and non-additive (dominance) gene action played an important role in the expression of all the characters. As the positive gca effects can be utilized for improvement of the trait concerned, NKE-19 was the best general combiner for total tillers and bearing tillers per plant. For yield per plant, NKE-9, NKE-12, NKE-34, and CCS-1 were good general combiners. The total number of crosses showing significant positive sca for plant height was 6. NKE-3 x RR-1 was the best specific combiner. The crosses showing significant sca for total tillers were 14 among which 4 combinations were in positive direction. NKE-9 x NKE-3 was the best general combiner. Tabulated data on the comparative estimates of genetic parameters for 5 quantitative traits in cardamom are presented.