Correct option is A
Correct option (a) Disease escape
· Disease does not develop due to
unfavorable environmental conditions.
· Host is genetically susceptible but avoids infection.
· Not a true genetic resistance.
Other options:
·
(b) Non-host resistance – Plant is not a host at all.
·
(c) True resistance – Genetically controlled resistance.
·
(d) Susceptible – Plant readily gets infected.