Charcoal Rot of Cucurbits
Macrophomina phaseolina
Cucurbitsfungal
A heat- and drought-favored fungal disease producing microsclerotia-studded lesions and vine wilting.
Symptoms
Gray-tan lesions studded with tiny black microsclerotia, with vine wilting under heat or drought stress.
Favorable conditions
- •High temperatures and drought stress
- •Continuous cropping without rotation
Management
- 1Maintain adequate irrigation to avoid drought stress
- 2Rotate crops
- 3Avoid unnecessary plant stress
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