A total of 36 F1 hybrids were generated following line x tester mating design comparing of 12 lines & 3 testers and evaluated in a RBD with three replications and three locations under the jurisdictions of Navsari Agricultural University, Navsari, Gujarat. A study was conducted on brinjal to identify superior parental combinations and to estimate the magnitude of heterosis for yield and its component traits. Higher heterosis for fruit yield per plant over commercial check was exhibited by the cross JBL-08-08 x NSR-1(33.47 %) followed by AB-09-1 x NBB-1 (28.21 %), GBL – 1 x NSR -1 (23.52 %) and GBL – 1 x NBB – 1 (17.25%). Indirect selection for traits such as plant height, number of fruits per plant, average fruit weight fruit length, fruit diameter and number of branches per plant could be done in order to achieve higher yield through heterosis breeding. The present study reveals good scope for isolation of purelines from the progenies of heterotic F1s as well as commercial exploitation of heterosis in brinjal.
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Chaudhari et al. (2020) studied this question.