Which one factor is NOT responsible for declining of plant epidemic?

Correct option is C

Correct option (c) Availability of favourable environment, susceptible host and virulent pathogen
· This condition promotes epidemics, not decline.
· Known as disease triangle completion.
Other options:
· (a) Pathogen saturation reduces further spread.
· (b) Host resistance reduces disease.
· (d) Reduced pathogen aggressiveness lowers epidemic intensity.
· (e) Incorrect.