Heterosis and combining ability evaluation for yield, quality, and fruit fly resistance in muskmelon

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The objective of this study was to breed muskmelon hybrids possessing higher TSS, flesh, and rind thickness, early and total yields; lower seed cavity; and resistance to fruit fly. Eight genetically diverse parents viz., Kesar, exotic collections (EC-2, EC-3, EC-4, EC-5), and indigenous collections (GP-210, GP-211, GP-141) were crossed in a diallel fashion excluding reciprocals. The resulting 28 F1's were evaluated with their parents in completely randomized block design with three replications under open field conditions. A high positive and significant commercial heterosis was shown by a couple of crosses. The analysis of variance revealed presence of considerable genetic variability for all the characters studied.

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