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Field trial evaluates pink rot resistance in potato varieties and clones, suggesting improved management strategies.
Potato pink rot, caused by Phytophthora erythroseptica, is a soilborne disease that affects tubers at harvest and during storage. It is characterized by tuber rot that develops distinctive salmon-pink discoloration upon exposure to air. To evaluate the susceptibility of 36 potato clones and 13 commercial varieties to pink rot, a field trial was conducted in 2025 at the Aroostook Research Farm in Presque Isle, ME. This study provides important insights for breeding programs, providing field-based information to support potato variety selection and pink rot management in Maine.
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Teng et al. (2026) studied this question.
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