Many areas of have received a significant amount of rain that favors the development of Phytophthora disease on winter squash and pumpkin plants. Other vegetables that are susceptible to Phytophthora capsici include cucumber, zucchini, summer squash, watermelon, cantaloupe, pumpkin, pepper, eggplant, tomato and succulent bean. The pathogen may overwinter in the soil and persist for more than 10 years. Phytophthora spreads readily via runoff or infested surface water used for irrigation; using well water for irrigation is strongly recommended.
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