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Plant Science Today (PST)

Research Articles

Vol. 13 No. sp5 (2026): Recent Advances in Agriculture

Genetic analysis of yield and yield components through combining ability and heterosis studies in okra [Abelmoschus esculentus (L.) Moench]

DOI
https://doi.org/10.14719/pst.14925
Submitted
10 April 2026
Published
10-09-2026

Abstract

The present study was conducted to evaluate combining ability, gene action and heterosis for important quantitative traits. The experimental material comprised 28 F1 hybrids developed from eight diverse parental genotypes along with one standard check, Pusa Bhindi-5. The investigation was undertaken during the academic year 2024–25 at Eternal University, Baru Sahib (Himachal Pradesh, India). The analysis revealed considerable genetic variability among parents and hybrids, indicating a broad genetic base for effective selection and hybrid development. Hybrids such as Arka Anamika × Prabhani Kranti, Arka Anamika × Kashi Pragati, Pusa Bhindi × Kashi Lalima and Punjab-8 × Arka Anamika performed well for earliness, yield and yield-attributing traits. Heterosis analysis showed significant positive and negative effects, with desirable negative heterosis for earliness, yield and yield-contributing traits. Combining ability analysis identified Arka Anamika, Prabhani Kranti and Kashi Pragati as good general combiners for several traits, while several crosses exhibited high specific combining ability. The predominance of non-additive gene action for most traits suggests the potential of hybrid breeding for improving yield and traits in okra.

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