Downy mildew: Pseudoperonospora cubensis
Symptoms
-
Symptoms resembling mosaic viz, pale green areas separated by dark green areas appear on upper surface of leaf.
-
During wet season, corresponding lower surface is covered with faint purplish fungal growth.
-
The entire leaf dries up quickly.
Management
-
Use of bed system with wide spacing with good drainage and air movement and exposure to sun help to check the disease development.
-
Spray with Moncozeb 0.2 % or Chlorothalonil 0.2% or Difolaton 0.2% or Ridomil MZ 72 0.1%
-
Seed treatment with Apron SD 35 @ 2 g./kg. followed by spraying with Mancozeb 0.2% is effective in reducing the disease.
|
|