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Development of subtropically-adapted indeterminate gametophyte1 (ig1) gene-based paternal haploid inducer lines in maize through molecular breeding.

Planta - 2 Jul 2026

Kyada Amitkumar D, Muthusamy Vignesh, Chhabra Rashmi, Ganesh Botta T, Chand Gulab, Sharma Gaurav, Duo Hriipulou, Sarma Govinda R, Kasana Ravindra K, Madhavan Jayanthi, Zunjare Rajkumar U, Hossain Firoz

Abstract excerpt

MAIN CONCLUSION: The study successfully developed first of its kind subtropically adapted ig1 gene-based paternal haploid inducer lines in maize with HIR of 0.57-2.50% for rapid conversion of inbreds into its CMS versions. Maternal haploid inducer (HI) lines are extensively used for development of doubled haploid (DH) lines in maize (Zea mays L.), whereas paternal HI lines cause exchange of cytoplasm, therefore...

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PMID: 42390608
DOI: 10.1007/s00425-026-05062-3

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F2

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