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High Genetic Diversity of Phytophthora palmivora in Colombian Cacao: Evidence Against Geographic Barriers.

Phytopathology - 1 Aug 2026

Martínez Julie Ramírez, Cárdenas Martha, Duitama Jorge, Duarte Diannefair, Rodríguez Edwin Gutiérrez, Restrepo Silvia

Abstract excerpt

Phytophthora palmivora causes significant economic losses in Colombian cacao crops, yet its population structure and pathogenicity remain poorly characterized. This study tested the hypothesis that the Colombian Andes mountain complex acts as a geographic barrier limiting gene flow among P. palmivora populations. We analyzed 73 isolates from western, central, and eastern cacao-growing regions using DArTseq...

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PMID: 41984766
DOI: 10.1094/PHYTO-10-25-0351-R

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