Disease guide

Fusarium Wilt

Causal Agent

Pepper: Fusarium oxysporum f. sp. capsici

Eggplant: Fusarium oxysporum f. sp. melongenae

Distribution

Pepper: Argentina, Italy, Mexico and USA

Eggplant: Israel, Italy, Japan, Netherlands and USA

Symptoms

Symptoms first appear as a slight yellowing of foliage and wilting of upper leaves. As wilting progresses, leaves may turn dull-green to brown and remain attached to the plant. When the stem and roots are cut diagonally, reddish-brown streaks are visible in the vascular tissues.

Leaves remain attached to wilted pepper plant. Leaves remain attached to wilted pepper plant.

Conditions for Development

Symptoms first appear as a slight yellowing of foliage and wilting of upper leaves. As wilting progresses, leaves may turn dull-green to brown and remain attached to the plant. When the stem and roots are cut diagonally, reddish-brown streaks are visible in the vascular tissues

Control

Plant on raised beds to help promote soil water drainage away from roots. Thoroughly disinfect equipment before moving from infested to clean fields.

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