LINE X TESTER ANALYSIS OF COMBINING ABILITY IN GROUNDNUT

P.VINDHIYAVARMAN and T.S.RAVEENDRAN

doi:https://doi.org/10.29321/MAJ.10.A01572

Madras Agricultural Journal

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LINE X TESTER ANALYSIS OF COMBINING ABILITY IN GROUNDNUT

Author: P.VINDHIYAVARMAN and T.S.RAVEENDRAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 81, Issue: oct-oct,

DOI:https://doi.org/10.29321/MAJ.10.A01572

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Abstract

A line x tester analysis was carried out involving eleven lines and two testers in groundnut for assessing the combining ability in respect of number of pods, pod yield, harvest index, shelling outturn and sound mature kernels. The estimate of GCA/SCA variance showed the predominance of non-additive gene action for number of pods and pod yield. The role of both additive and non-additive gene action was found important for harvest index, shelling outturn and sound mature kernels. VG 78 was a good general combiner for all the characters. The combination ALR 1 x CG 2187 was specific combiner for pod yield

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