Description:

• The fungus remains in the soil for several years.
• Poor drainage and moist soils are favourable conditions for the occurrence of this disease.

Damage Symptoms:

• Wilting of vines during hot days and recovering at night in the early stages.
• Yellowing of older leaves is observed.
• Browning and decay of vascular tissues in stems are observed.

Preventive Measures:

• Treat the seeds with Trichoderma or fungicides like Thiram.
• Avoid waterlogging.

Control Measures:

• Soil drenching with Carbendazim or Thiophanate-Methyl.
• Mix Trichoderma viride with water and drench the soil.