TAILIEUCHUNG - To study the combining ability and gene action involve in expression of traits in Pumpkin (Cucurbita moschata Duch. ex. Poir)

The present investigation was carried out with aims to assess the combining ability involving 7 parents namely, Narendra Agrim (P1), Narendra Amrit (P2), Narendra Upkar (P3), NDPK-76-1 (P4), NDPK-724 (P5) and NDPK-39-2 (P6) and NDPK-12-10 (P7) of pumpkin and their 21 F1 hybrids produced in diallel mating design excluding reciprocals at MES, Vegetable Science, NDUA.&T, Kumarganj, Faizabad (.) India in Zaid, 2016. The experiments were laid out in RBD with three replications having each experimental unit of single row with spacing of m (R×R) × m (P×P).The observations were recorded on parents and F1‟s for twenty quantitative traits including six quality traits viz., node number to first male flower appearance, node number to first female flower appearance, days to first male flower anthesis, days to first female flower anthesis, days to first fruit harvest, vine length (m), internodal length (cm), number of primary branches per plant, fruit weight (kg), number of fruits per plant, equatorial circumference of fruit (cm), polar circumference of fruit (cm), flesh thickness (cm), fruit yield per plant (kg), and six quality/biochemical traits namely ascorbic acid, reducing sugars (%) non-reducing sugars (%), total sugars (%), dry matter content and total soluble solids. The analysis of variance for combining ability revealed that there were significant differences for all the traits. Mean squares due to general combining ability were observed significant for all the traits and specific combining ability were observed significant for all traits except days first fruit harvest and average fruit weight. | To study the combining ability and gene action involve in expression of traits in Pumpkin (Cucurbita moschata Duch. ex. Poir)

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