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Estimates of genetic component of variation in muskmelon (Cucumis melo L.)
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A study of twenty one F1 hybrids of Muskmelon (Cucumis melo L.) in a half-diallel set involving seven parents showed over-dominance and low narrow-sense heritability for all the characters except node no of first female flower, average fruit weight, first fruit harvest and yield per plant. In all these characters, the dominance component of genetic variance (H1) was higher than the additive component of genetic variance (D) indicating predominance of dominant gene action over additive gene action and commercial exploitation of heterosis for improvement of these traits.
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