Disease on crop
fungalVerticillium Wilt on potato
Verticillium dahliae
Soil-borne fungal disease similar to fusarium wilt but with broader host range and cooler temperature optimum. Persists in soil for 10+ years.
- Disease
- Verticillium Wilt
- Pathogen type
- Fungal
- Crop
- Potato
- Scientific name
- Verticillium dahliae
Verticillium Wilt on potato
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Symptoms on potato
- ▸ Yellowing of lower leaves often in V-shaped wedges
- ▸ Wilting during heat of day, recovery overnight
- ▸ Brown vascular discoloration when stem is cut
- ▸ Stunted plants with reduced yield
IPM controls
- ✓ Plant resistant varieties ('V' resistance codes)
- ✓ Crop rotation away from infested beds for 5+ years (avoiding all Solanaceae)
- ✓ Soil solarization for small areas
- ✓ Cover crops of mustards or biofumigants in fall reduce inoculum
- ✓ No chemical control
Resistant varieties
Mountain Magic Defiant Iron Lady
Other crops affected by verticillium wilt
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