Dept of Agriculture Development 
SFAC KeralaIn the field brown to black water soaked lesions appear on stems and petioles.
Eventually, the stem girdles and collapse causing the ends of vines to wilt.
Usually one or two vines may collapse but occasionally the entire plant dies.
Properly cure the tubers immidiately after harvest.
Remove and destroy the affected portions.
For more details please contact with our toll free number 1800 425 1661
