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Integrating image-based phenotyping and GWAS to map resistance to spittlebug nymphs in interspecific Urochloa grasses.

G3 (Bethesda, Md.) - 3 Jun 2026

Espitia-Buitrago Paula, Perea Claudia, Mejia-Medina Juan C, Hernández Luis M, Castiblanco Valheria, Ryan Camilla, De Vega José J, Jauregui Rosa N

Abstract excerpt

Urochloa grasses are among the most widely used forage grasses across the tropics. Spittlebugs (Hemiptera: Cercopidae) are major pests of tropical Urochloa (syn. Brachiaria) grass pastures, severely reducing forage productivity and quality. Understanding the genetic basis of host-plant resistance is essential for developing durable resistant cultivars. Here, we combined high-throughput image-based phenotyping and...

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PMID: 42044056
DOI: 10.1093/g3journal/jkag101
PMCID: PMC13232496

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