Target leaf spot of tomato

Symptoms appear on all aboveground parts of the plant. Foliar lesions begin as small, pinpoint, water-soaked spots on the upper surface. Gradually these increase in size (up to 2 cm diameter), becoming circular,frequently ringed, and pale brown with conspicuous yellow halos. The lesions will coalesce leading to blighting of foliage. The subsequent premature defoliation affects fruit quality and yield. The lesions on stems and petioles are brown and World Vegetable Centoblong. These increase in size and may girdle petioles and stems leading to collapse of the leaflets.

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Presence among species