S.M. PURUSHOTHAMAN, N. RAMACHANDRAN, VEENA and. Peronospora sparsa - a new disease on field grown roses. Indian Phytopathology, India, v. 56, n. 2, p. 236, 2003. Disponível em: https://epubs.icar.org.in/index.php/IPPJ/article/view/18326. Acesso em: 20 oct. 2025.