HETEROSIS IN THE INTRA AND INTER SUB-SPECIFIC CROSSES OF GROUNDNUT (ARACHIS HYPOGAEA L.)

V. MANOHARAN; P. VINDHIYAVARMAN; R. SETHUPATHI RAMALINGAM AND M.R. SIVARAM

doi:https://doi.org/10.29321/MAJ.10.A01972

Madras Agricultural Journal

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HETEROSIS IN THE INTRA AND INTER SUB-SPECIFIC CROSSES OF GROUNDNUT (ARACHIS HYPOGAEA L.)

Author: V. MANOHARAN, P. VINDHIYAVARMAN, R. SETHUPATHI RAMALINGAM AND M.R. SIVARAM,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 77, Issue: sep-dec,

DOI:https://doi.org/10.29321/MAJ.10.A01972

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Abstract

The Inter-subspecific crosses involving Spanish x Virginia genotypes exhibited greater magnitude of heterobeltiosis for pod yield, pod number, pod and kernel weights than the intra- subspecific crosses. The intra-subspecific crosses were superior for plant height. Negative heterosis was observed for shelling percentage in both the types of crosses.

Keywords: Groundnut, Heterosis

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