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March 14, 2026Scientific ReportsOpen Access

Genome-wide association study of resistance to taro leaf blight and yield traits in taro (Colocasia esculenta (L.) Schott)

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Authors

LJLydia JiwubaNational Root Crops Research InstituteJOJoseph OnyekaNational Root Crops Research InstituteCACharles AmadiNational Root Crops Research Institute

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Implication

Genome-wide association study identifies traits linked to taro leaf blight resistance and yield traits in taro, suggesting genetic pathways for developing resilient cultivars.

Key Points

  • The study aims to identify genomic regions related to taro leaf blight resistance and associated yield traits in different taro genotypes.
  • Conducted a genome-wide association study on 265 taro genotypes.
  • Evaluated traits such as TLB severity, plant height, number of suckers, corm weight, and total tuber weight.
  • Performed field experiments in two planting seasons (2021/2022 and 2022/2023) at NRCRI.
  • Identified 18 significant single nucleotide polymorphisms associated with TLB and yield traits.
  • Gene annotation revealed potential candidate genes linked to TLB resistance and yield features.
  • Co-localization of SNP 83978367 indicated possible pleiotropic effects on corm weight and total tuber weight.

Cite This Study

Jiwuba et al. (2026) studied this question.

synapsesocial.com/papers/69b4fbb1b39f7826a300c088https://doi.org/10.1038/s41598-026-43034-5
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