COMBINING ABILITY IN WINTER SORGHUM

POORAN CHAND

doi:https://doi.org/10.29321/MAJ.10.A01057

Madras Agricultural Journal

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COMBINING ABILITY IN WINTER SORGHUM

Author: POORAN CHAND,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 83, Issue: sep-sep,

DOI:https://doi.org/10.29321/MAJ.10.A01057

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Abstract

The nature of gene action through combining ability analysis for grain yield and its components was studied in 5 X 5 diallel cross of sorghum. Estimates of gea and sca indicated the influence of both additive and non additive gene action for the inheritance of grain yield, stem girth and plant height. The cultivar SPV-462 was the best general combiner for all the traits under study. The best specified crosses viz, SPV-462 X M35- 1, SPV-472 X Moti, SPV-913 X M35-1 and M35-1 X Moti for grain yield resulted from non-additive gene action could be utilised in heterosis breeding programme.

Keywords: Sorghum, Combining Ability, GCA, SCA

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