The downey mildew disease of pearlmillet is primarily a

The Downey mildew disease of pearl millet is primarily Soil borne.
Downy mildew of pearl millet, it is referred to as 'green ear' is the most destructive disease of pearl millet. This disease is widely distributed in temperate and tropical areas of the world and is especially important in India.
This fungus is soil-borne. The fungus may persist in the soil for five to ten years. Under cool, water-saturated soil conditions, the spores, upon contact with roots, germinate and enter the seedling's roots, and spread throughout the entire plant.