Combing ability for grain traits in maize

K. GEETHA

doi:https://doi.org/10.29321/MAJ.10.A00497

Madras Agricultural Journal

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Combing ability for grain traits in maize

Author: K. GEETHA,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 87, Issue: jul-sep,

DOI:https://doi.org/10.29321/MAJ.10.A00497

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Abstract

Combining ability studies for grain traits revealed additive gene action for plant height, number of grain rows per cob, number of grains per row, cob weight, days to 50% silk and hundred grain weight. Based on the per se performance and effects UMI 760, Prabhat 1 and JM 31811 were found to be the best parents for improvement of grain traits besides grain yield. Prabhat-1 x UMI 492, UMI 760 x JM 3181 and UMI 805 x UMI 805 x UMI 760 are suitable for recombination breeding.

Keywords: Maize, combining ability, Grain yield

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