Abstract
Heterosis breeding is one of the most efficient tools to exploit the heterotic response for various useful traits. The Line × Tester mating design was undertaken with seven lines and three testers were evaluated along with twenty one hybrids in randomized block design to estimate the magnitude of heterosis for yield and its yield contributing characters. The best way to utilize heterosis in crop is to generate F1 hybrids having maximum heterozygocity, thereby facilitating the identification and selection of hybrid vigor. The positive significant standard heterosis for fruit yield per plant was maximum with L3 × T1 (28.94%) followed by L7 × T3 (15.73%) and L7 × T1 (15.10%) respectively. Some of the promising hybrids have showed desirable heterosis for plant height, number of fruits per plant,1000 seed weight, seedling shoot length, seedling root length and seedling dry weight.
Highlights
Brinjal is often cross pollinated and possess considerable diversity for plant types, fruit yield and yield attributing characters and offers an opportunity to exploit the genetic diversity for development of hybrid varieties
A study was conducted to study the heterosis in various crosses
The hybrids L3× T1, L7× T3 and L7× T1 recorded as superior hybrids based on the magnitude of standard heterosis for fruit yield per plant
Summary
Brinjal is often cross pollinated and possess considerable diversity for plant types, fruit yield and yield attributing characters and offers an opportunity to exploit the genetic diversity for development of hybrid varieties. In ancient system of medicine, it has been used in control of many diseases, brinjal has medicinal properties [2]. This crop contains wide variety of dietary nutrients and minerals together with vitamins [3]. In order to obtain more varieties with high yielding and disease resistance characteristics, many attempts have been made by researchers. Exploring hybrids is one among that techniques [4]. A study was conducted to study the heterosis in various crosses
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