Biological Classification And System Of Classification Question 199
Question: A widely but periodically occurring plant disease is [AMU 1999]
Options:
A) Endemic species
B) Pandemic
C) Sporadic occurrences
D) Epiphytotic
Show Answer
Answer:
Correct Answer: D
Solution:
Epiphytotic disease is also called mahamari, which is occurs widely in virulent state.
e.g., Late blight of potato, rust of wheat, red root of sugarcane, downy and powery mildews.
The pathogen of these diseases is more or less constantly present but favourable environment occurs for a short period (periodically).
BETA
