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PlantVillage Disease Library
Browse the complete PlantVillage dataset catalog of 38 classes. Read expert pathogen descriptions, analyze symptoms, and find care or prevention treatments.
Tomato
🔴 Diseased
Tomato Bacterial Spot
Bacterial spot is caused by Xanthomonas species. It is a highly contagious disease affecting tomato leaves, stems, and fruit, resulting in defoliation and scarred fruit.
Tomato
🔴 Diseased
Tomato Early Blight
Early blight is caused by the fungus Alternaria solani. It affects leaves, stems, and fruit, initiating on older, lower foliage and moving upward.
Tomato
🔴 Diseased
Tomato Late Blight
Late blight is a highly destructive disease caused by the oomycete Phytophthora infestans. It thrives in cool, wet weather and can wipe out tomato plants in days.
Tomato
🔴 Diseased
Tomato Leaf Mold
Leaf mold is caused by the fungus Passalora fulva. It is primarily a disease of greenhouse tomatoes, thriving in high humidity and warm temperatures.
Tomato
🔴 Diseased
Tomato Septoria Leaf Spot
Septoria leaf spot is caused by the fungus Septoria lycopersici. It is one of the most common foliar diseases of tomatoes, initiating on the lowest leaves.
Tomato
🔴 Diseased
Two-Spotted Spider Mite
Spider mites are tiny arachnids (Tetranychus urticae) that suck sap from tomato leaves, causing severe stress and defoliation under hot, dry conditions.
Tomato
🔴 Diseased
Tomato Target Spot
Target spot is a fungal disease caused by Corynespora cassiicola. It affects tomato leaves, stems, and fruit, thriving in warm, wet conditions.
Tomato
🔴 Diseased
Tomato Yellow Leaf Curl Virus
TYLCV is a devastating virus transmitted by silverleaf whiteflies. It severely stunts tomato growth and stops fruit production.
Tomato
🔴 Diseased
Tomato Mosaic Virus
ToMV is a highly stable plant virus that is easily transmitted through seed, mechanical handling, and contaminated tools.
Tomato
🟢 Healthy
Healthy
The tomato leaf is clean, flat, and green with no mottling or fungal lesions.