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Vol. 10, Issue 6 (2021)

Combining ability analysis for pod yield and its components in vegetable Indian bean (Dolichos lablab L)

Author(s):
Aditi D Patel and CG Intwala
Abstract:
General (GCA) and specific (SCA) combining ability for 13 different traits of seven parental genotypes and 21 F1s derived from a 7 x 7 diallel cross without reciprocal was assessedfor pod yield and its components in vegetable Indian bean. Combining ability analysis revealed importance of both additive and non-additive genetic components for pod yield and its contributing traits indicating their importance in the expression of various traits. However, relatively high magnitude of SCA variance for all traits indicated preponderance of non-additive gene action in the inheritance of the traits except pods per cluster. The estimates of GCA effects revealed that none of the parent was good general combiner for all the traits. Parent NI-06-68 was found to be good general combiner for branches per plant, pods per plant, pod length, pod yield per plant and protein content; NI-13-465 for days to 50 per cent flowering, pods per cluster, pod length, seeds per pod, pod yield per plant, average pod weight, shelling ratio, protein content and total soluble sugar. Based on estimation of SCA effects, crosses viz., NI-13-465 x NI-08-203, NI-06-68 x NI-05-19, NI-06-68 x NI-13-465, NI-05-19 x NI-08-225 and NI-06-68 x NI-08-225 registered high and significant SCA effects for pod yield per plant and yield contributing components. The per se performance of crosses did not reflects in SCA effects
Pages: 525-529  |  206 Views  38 Downloads


The Pharma Innovation Journal
How to cite this article:
Aditi D Patel, CG Intwala. Combining ability analysis for pod yield and its components in vegetable Indian bean (Dolichos lablab L). Pharma Innovation 2021;10(6):525-529.
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