Studies on Heterozsis Breeding in Brinjal Germplasm for Growth and Yield Traits, Solanum melongena L.

R. Kanchana

College of Agricultural Technology, Theni, India.

K.R. Vijayalatha *

Horticultural College and Research Institute for Women, Tiruchirappalli, India.

G. Sandeep

Palar Agricultural College, Vellore, India.

G. Sidhdharth

Horticultural College and Research Institute for Women, Tiruchirappalli, India.

*Author to whom correspondence should be addressed.


Abstract

Brinjal, Solanum melongena L. is one of the commercial annual vegetables grown all over India for its edible fruits. Heterosis in vegetable crops helps to exploit the superior hybrids based on its phenotypic superiority over their parents and indicates predominance of non-additive genetic effects. This research was carried out at Department of Vegetable Science, Horticultural College and Research Institute, Periyakulam. The study involves six parents and thirty hybrids laid out in Randomised Block Design with two replications. The cross CO2 × Kothampatti Kathiri, obtained significant positive heterosis (16.53%) for plant height over better parent. Significant heterosis over mid parent was observed for number of branches in Kothampatti Kathiri × Odavai Pachai Kathiri, 33.33%, fruit width in Dharmapuri Oodha Kathiri × Poiyur Purple Kathiri, 25.54%, fruit length in Kothampatti Kathiri × Gobi Pachai Kathiri, 24.33%. Significant negative heterosis over better parent for number of days to 50% flowering was observed in the cross Odavai Pachai Kathiri × Gobi Pachai Kathiri, -9.25%. Significant positive heterosis over standard check was obtained for number of fruit per plant, 35.42% in the cross Dharmapuri Oodha Kathiri × CO2 and fruit yield per plant in Dharmapuri Oodha Kathiri × Odavai Pachai Kathiri, 21.54%. Heterosis exploited could be utilized in further crop improvement program in the development of a superior hybrid.

Keywords: Brinjal, heterosis, hybrids, parents, superiority, yield


How to Cite

Kanchana, R., Vijayalatha, K., Sandeep, G., & Sidhdharth, G. (2024). Studies on Heterozsis Breeding in Brinjal Germplasm for Growth and Yield Traits, Solanum melongena L. International Journal of Plant & Soil Science, 36(6), 616–623. https://doi.org/10.9734/ijpss/2024/v36i64664

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