Colletotrichum truncatum causing anthracnose of Catharanhthus roseus in Brazil

Catharanthus roseus is an important plant group used for landscaping purposes and is cultivated in several locations in Brazil. However, anthracnose is compromising its development. Despite the importance of the disease, it is not known which Colletotrichum species is responsible for causing anthracnose. This study aimed to identify Colletotrichum isolates associated with anthracnose of vinca. It evaluated morphological markers and performed multilocus phylogenetic analysis. According to the morphological analyses and multilocus phylogeny analysis of ACT, GAPDH, ITS, and TUB gene regions, we identified the isolates as Colletotrichum truncatum. This study is the first to report C. truncatum in C. roseus worldwide.