The target disease of Blockade is

A. Powdery mildew

B. Root rot

C. Downy mildew

D. All of these

Answer: Option C

Solution(By Examveda Team)

The target disease of Blockade is Downy mildew.
Downy mildew refers to any of several types of oomycete microbes that are obligate parasites of plants.
Initial symptoms include large, angular or blocky, yellow areas visible on the upper surface. As lesions mature, they expand rapidly and turn brown.