International Journal of Statistics and Applied Mathematics
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2023, Vol. 8, Special Issue 4, Part H

Genetic studies for yield and yellow vein mosaic virus resistance in okra (Abelmoschus esculentus L. moench)


Author(s): Randhir Kumar, SS Solankey and Hemant Kumar Singh

Abstract: The present investigation was carried out in okra consisting of 11 diverse genotypes (8 lines & 3 testers) and their 24 F1 hybrids. Phenotypic and genotypic correlation indicated positive association of average fruit length with average fruit weight while negative association between days taken to first flower with number of fruits per plant. The maximum positive direct effect on yield was due to number of fruits per plant followed by average fruit weight. The F1 hybrid VRO-6 × Parbhani Kranti exhibits highest negative heterobeltiosis for days taken to 1st flowering while D-1-87-5 × Pusa A-4 and Arka Abhay × Parbhani Kranti are earliest heterobeltiotic hybrids for days taken to 1st harvest. The hybrid Arka Abhay × Pusa A-4 represents highest heterobeltiosis for average fruit length, number of fruits/ plant and average yield. Among all parents, only Akra Abhay exhibits better GCA effect. The highest SCA effect for average yield observed in VRO-6 × Arka Anamika, while VRO-6 × Pusa A-4 for per cent infestation of YVMV. The cross Arka Abhay × Pusa A-4 incurred the highest net returns/ ha and B: C ratio (3.21) followed by that of D-1-87-5 × Parbhani Kranti and the parent Hisar Unnat gave the higher net returns/ ha with B: C ratio of 2.02 among the parents. These elite hybrids may be tested for yield and other quality traits under different agro-climatic conditions for commercial exploitation of hybrid vigour.

Pages: 568-573 | Views: 138 | Downloads: 5

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How to cite this article:
Randhir Kumar, SS Solankey, Hemant Kumar Singh. Genetic studies for yield and yellow vein mosaic virus resistance in okra (Abelmoschus esculentus L. moench). Int J Stat Appl Math 2023;8(4S):568-573.
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