Coffee rust disease attacked plantation in Sri Lanka in the year –

Correct option is D

Correct option (d) 1867
· Coffee rust disease is caused by Hemileia vastatrix.
· The first recorded epidemic occurred in Sri Lanka (Ceylon) in 1867.
· This disease devastated coffee plantations and led to a shift from coffee to tea cultivation.
Other options:
· (a) 1837 – No historical record of coffee rust outbreak in this year.
· (b) 1827 – Coffee cultivation existed, but rust disease was not reported.
· (c) 1767 – Much earlier than the known outbreak.
· (e) Incorrect, as the question is attempted.