Combining Ability Analysis of Yield and Quality Traits in Pumpkin [Cucurbita moschataduch. Ex Poir]

M. Harshini *

Department of Horticulture, Dhanalakshmi Srinivasan Agriculture College, Tamil Nadu, India.

A. Shanthi

Department of Horticulture, PAJANCOA and RI, Karaikal-03, India.

M. Manikandan

Department of Horticulture, PAJANCOA and RI, Karaikal-03, India.

*Author to whom correspondence should be addressed.


Abstract

The present analysis was carried out with aims to estimate the general and specific combining ability of pumpkin involving six parents namely, Arka Chandan (P1), Ambili (P2), Arka Suryamukhi(P3), Pusa Vishwas (P4), CO 2 (P5) and CO 1 (P6) and 30 F1 hybrids obtained through full diallel analysis in randomized block design with three replication. The observation were recorded for eighteen traits viz., vine length, node number at which first male flower anthesis, node number at which first female flower anthesis, number of primary branches vine-1, days to first male flower anthesis, days to first female flower anthesis, number of male flowers vine-1, number of female flowers vine-1, sex ratio, number of fruits vine-1, fruit weight, polar diameter of fruit, equatorial diameter of fruit, flesh thickness, 100 seed weight, carotene content, total soluble solids and yield vine-1.. The analysis of variance for combining ability among various traits in pumpkin revealed that there were significant differences for all the traits. Among the parents, Ambili was the best general combiner for number of fruits vine-1, yield vine-1 and yield contributing traits. The highest desirable SCA were obtained from a cross of Ambili x Arka Suryamukhi for yield and attributing traits, which was the best and promising hybrid.

Keywords: Pumpkin, crop improvement, diallel, GCA, SCA


How to Cite

Harshini, M., Shanthi, A., & Manikandan , M. (2024). Combining Ability Analysis of Yield and Quality Traits in Pumpkin [Cucurbita moschataduch. Ex Poir]. Journal of Experimental Agriculture International, 46(6), 286–292. https://doi.org/10.9734/jeai/2024/v46i62479

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