noun
rice cake disease; blister blight
A plant disease, specifically blister blight, named for the rice-cake-like appearance of the blisters. Technical term used in agriculture and botany.
See also: 餅 (もち)
茶の木に餅病が発生すると、葉に白い餅のような斑点ができる。
When blister blight occurs on tea plants, white rice-cake-like spots appear on the leaves.