A. Nitrosomonas
B. Nitrobacter
C. Azotobacter
D. Rhizobium
Plant Pathology
………. is gram-positive?
A. Xanthomonas
B. Corynebacterium
C. Pseudomonas
D. Erwinia
The coprophilic fungi inhabit:
A. Dung substratum (herbivore feces)
B. Deadwood
C. Decaying leaves
D. Food articles
Erysiphe caused the ……… disease?
A. Powdery mildews
B. Downy mildews
C. Covered smut
D. Late blight of potato