The phrase "rice blast" refers to a disease that affects rice plants. It is caused by a fungus and can harm the rice crop, reducing the yield or even destroying the entire harvest. Full definition
Scientists have found a way to stop the spread of rice blast, a fungus that destroys up to 30 % of the world's rice crop each year. (longroom.com)
The resulting data clearly showed that the microbial cocktail could bolster plant defenses against both arsenic and rice blast disease. (sciencedaily.com)