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August 17, 2025Kufa Journal for Agricultural SciencesOpen Access

A Gene Action, Heterosis and Combining Ability in Maize Hybrids A- Using Half Diallel Analysis

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Authors

AAAbiodun Akintunde Alo

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Overview

Half diallel analysis reveals significant combining ability and heterosis effects in maize traits, indicating genetic diversity's role.

Key Points

  • Significant differences in traits indicate genetic diversity among maize pure lines, emphasizing the role of gene action.
  • Both general and specific combining abilities showed significant effects, suggesting additive and dominant gene influences on traits.
  • The dominant gene effects predominated for all traits assessed, with ZP-595 and POL-158 being the best general combiners for grain yield.
  • Hybrid varieties could be developed from significant crosses, although narrow sense heritability values were low, underscoring trait variability.

Cite This Study

Abiodun Akintunde Alo (2022) studied this question.

synapsesocial.com/papers/68c236dfb210217d64776306https://doi.org/10.36077/kjas/2021/v13i1.2046
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  1. 1A Gene Action, Heterosis and Combining Ability in Maize Hybrids B- Using Line x Tester Analysis2022
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  4. 4Dissecting Heterotic Patterns and Combining Ability for Grain Yield and Nutritional Composition in Extra‐Early Quality Protein Maize Hybrids2025
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