PLANT DOCTOR

Plant problem library

Detailed profiles of common plant diseases, pests, nutrient deficiencies and environmental problems.

Late blight
Disease

Late blight

Phytophthora infestans

Late blight is a fast-moving, potentially devastating disease of tomatoes and potatoes caused by the water mold Phytophthora infestans. It produces water-soaked to dark…

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Gray Mold
Disease

Gray Mold

Botrytis cinerea

Gray mold is a widespread fungal disease caused by Botrytis cinerea. It most often develops on aging flowers, wounded tissue, ripening fruit, seedlings, and…

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