HETEROSIS FOR SEED YIELD AND ITS COMPONENTS IN SUNFLOWER (Helianthus annus. L.)

D.SASSIKUMAR and A. GOPALAN

doi:https://doi.org/10.29321/MAJ.10.A00659

Madras Agricultural Journal

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HETEROSIS FOR SEED YIELD AND ITS COMPONENTS IN SUNFLOWER (Helianthus annus. L.)

Author: D.SASSIKUMAR and A. GOPALAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 86, Issue: oct-dec,

DOI:https://doi.org/10.29321/MAJ.10.A00659

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Abstract

Heterosis for seed yield and ilts components was estimated in 56 crosses obtained by crossing 4 cytoplasmic male sterile lines with 14 testers in L x T fashion. Co 4 and KBSH-1 were used as checks. The positive heterosis value ranged from 18.11 to 93.28 and 13.68 to 96.97 for seed yield respectively over mid parent and better parent. About 10 hybrids are recommended for further breeding work. It is inferred that parents with high mean values give high heterosis in combination.

Keywords: Heterosis, Sunflower, Yield

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