Root Rot, Phytophthora
Phytophthora spp.
15 host plants
Phytophthora root rot causes decline and death of affected plants through root decay. Once in soil, this disease is difficult to eradicate. Rotation to new land or resistant varieties is necessary. Remove infected plants. Ensure excellent drainage. Proper drainage and good site selection are critical to prevent root disease problems. Monitor plants for early signs of decline or wilting Early detection and prompt management of symptoms help limit disease spread.
Root rots thrive in waterlogged soil, so drainage is your most important intervention. Avoid overwatering and ensure the planting site drains well. Remove severely affected plants to prevent spread to neighbors through root contact or contaminated soil. When replanting, choose resistant species or improve soil structure before putting anything back in the ground.