~nipu-vai
What is a plant disease?
What causes plant disease?
What is the Disease Triangle?
What are the different groups of plant pathogens?
How do viruses spread in plants?
How does infection occur in plants?
Where do pathogens survive season to season?
What is the difference between a sign and a symptom in identifying a plant disease?
What are the major plant pathogens responsible for disease development in plants?
