In 1943, Bengal had faced a serious famine which cause a great loss in rice yield, caused by

Solution(By Examveda Team)

In 1943, Bengal faced a serious famine which cause a great loss in rice yield, caused by Helminthosporium oryzae.
The Bengal famine of 1943 was a famine in the Bengal province of British India during World War II. It was attributed to the Helminthosporium oryzae rice brown spot disease in India.
Bengal famine of 1943, where the crop yield dropped by 40% to 90% and the death of 2 million people were recorded. It is a possible agroterrorism weapon.
Brown spot of rice is a plant fungal disease that usually occurs on the host leaves and glume, as well as seedlings, sheaths, stems and grains of adult host plants.