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Major Diseases of Ramie

Diseases Causal Organism Time of Occurrence Infestation (%)
Cercospora leaf spot Cercospora boehmeria March to October 5 - 30
Anthracnose leaf spot Colletotrichum gleosporides October to January 10 - 60
Collar rot Sclerotium rolfsii April to October 5 - 20
Wilt Complex disease April to June 15 - 70
Seedling Dampingoff Rhizoctoniaspp. Throughout year 5 - 20
Yellow Mosaic Viral disease October to March 30 - 70