What is "blister blight"

n. 1 An infection of tea plants, caused by the fungus (taxlink Exobasidium vexans species noshow=1), characterized by blister-like lesions on the leaves. 2 A similar disease of some pines caused by (taxlink Cronartium asclepiadeum species noshow=1).

1. n. a disease of Scotch pines

2. a disease of tea plants