First Report of Alternaria alternata Causing Leaf Spot on Curcuma involucrata in China
Curcuma involucrata (King ex Baker) Škorničk. (syn. Stahlianthus involucratus (King ex Baker) Craib), a perennial Zingiberaceae herb known as “Tu Tian Qi” in Chinese, has been traditionally used to relieve muscle pain and edema (Pingsusaen et al., 2015). In October 2025, a severe leaf spot outbreak was observed on C. i...