
Identify crop diseases by their symptoms, explore proven treatment options, and learn effective prevention strategies to protect your harvest. Your comprehensive companion for healthier, more resilient crops.
Showing 12 diseases
Dark, sunken lesions on fruits, leaves, and stems. Causes fruit rot during transport and storage in warm, humid climates.
Sudden wilting of leaves and stems without yellowing. Brown discoloration of vascular tissue visible when stems are cut.
Raised corky lesions with water-soaked margins on leaves, stems, and fruit. Causes premature fruit drop and defoliation.
Swollen, distorted roots that impair water and nutrient uptake. Above-ground symptoms include wilting and stunted growth.
Seedling stems become water-soaked at soil line and collapse. Primarily affects young transplants in overly moist conditions.
Yellow angular patches on upper leaf surfaces with grayish-purple fuzzy growth underneath. Thrives in cool, moist environments.
Late blight is one of the most devastating plant diseases in agriculture, historically responsible for the Irish Potato Famine. It thrives in cool, moist conditions and can destroy entire fields within days if left untreated. The pathogen produces sporangia that spread rapidly through wind and rain, infecting leaves, stems, and tubers.
Small, water-soaked spots appear on lower leaves. Pale green to yellow haloes surround lesions. Usually begins at leaf edges where moisture collects overnight.
Days 1-4Lesions darken to brown-black and expand rapidly. White sporulation visible on leaf undersides. Stems develop dark streaks. Sporangia spread to neighboring plants via wind.
Days 4-8Complete defoliation of affected plants. Tuber rot becomes widespread. Entire plant canopy collapses. Fields produce characteristic foul smell from decaying tissue.
Days 8-14These conditions share overlapping symptoms. Review key differences to ensure accurate identification and targeted treatment.
Key difference: Bacterial Leaf Blight produces water-soaked lesions with wavy margins, unlike the uniform brown spots of fungal leaf spot.
Key difference: Downy Mildew shows fuzzy gray-white growth on leaf undersides, especially in humid conditions. Check underside of leaves for spores.
Key difference: Nitrogen deficiency causes uniform pale-green to yellow coloring starting from older leaves, with no lesions or spots present.
Key difference: Anthracnose produces sunken, dark lesions with concentric rings on fruits and stems, unlike surface-level leaf spots.
Comprehensive strategies to protect your crops from disease and effective treatment options when infections occur.
Proactive measures to minimize disease risk across your growing season.
Step-by-step treatment guides with product recommendations and cost estimates.
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