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Research Article Open access CC BY 4.0

Heterobeltiosis and Inbreeding Depression in Tomato (Solanum lycopersicumL.) for Yield, Yield Attributes and Quality

V. Ramana, D. Srihari, R.V.S.K. Reddy, B. Somraj, M. Vani Praveena, M. Sujatha, M.H.V. Bhave

Journal of Advances in Biology & Biotechnology · pp. 430–442 · Published 17 Feb 2025

10.9734/jabb/2025/v28i22003

Abstract

A total of 45 experimental hybrids generated by diallel mating design (without reciprocals). using 10 parents and evaluated with 2 checks (Siri and US-618) during Rabi 2010-11 at Vegetable Research Station, Rajendranagar, Hyderabad (Dr. YSRHU) to study the heterobeltiosis and inbreeding depression. Four best F1’s and F2’s were selected and evaluated along with their parents for inbreeding depression for sixteen characters viz., plant height (cm), number of primary branches per plant, days to 50% flowering, number of flowers per cluster, number of fruits per cluster, fruit length (cm), fruit width (cm), average fruit weight (g), fruit yield per plant (kg), number of locules per fruit, pericarp thickness (mm), TSS (°Brix), titrable acidity (%), ascorbic acid content (mg/100 g), total sugars (%) and lycopene content (mg 100/ g).

Tomato heterosis heterobeltiosis inbreeding depression and yield

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