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April 18, 2026Scientific ReportsOpen Access

Combining ability and molecular marker approach for developing early maturing high yielding hybrid rice

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Authors

MSMd ShamsuddohaASAyesha SiddikaAKA. S. M. Mustafa Kamal

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Overview

Analyzes combining ability and molecular markers to enhance hybrid rice yield and early maturity, impacting food security.

Key Points

  • The aim is to develop early maturing and high yielding hybrid rice through combining ability analysis and molecular markers.
  • Crossed fourteen rice genotypes in a line × tester design to create breeding populations.
  • Evaluated general and specific combining ability effects along with heterosis for eight yield traits.
  • Assessed parental genetic distance using 25 simple sequence repeat markers and correlated it with hybrid performance.
  • Identified SH-3A, SH-4A, BUR, and SH-802R as excellent general combiners for hybrid rice.
  • Observed significant positive correlations between genetic distance and heterosis for flowering and maturity traits.
  • Noted that specific combining ability was a major factor influencing hybrid performance across evaluated traits.

Cite This Study

Shamsuddoha et al. (2026) studied this question.

synapsesocial.com/papers/69e320e740886becb6540097https://doi.org/10.1038/s41598-026-43220-5
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