Question

Which disease of rice has caused famine in Bengal?

Answer 1

hey
answer of your question is

Rice brown spot (BS) caused by the fungus Bipolaris oryzae 

Answer 2

The famine in bengal is triggered by many different factors some of which are not induced by nature but rather, they were man made in orgin.

Though there are dieases that occurred in crops which lead to the famine also. For example, brown spot diesaes in rice has contributed greatly to the famine of bengal.