SINGH, DALJEET. Symptom severity grades of cotton leaf curl disease and its effect on the yield and fibre quality of upland cotton in Punjab, India. Indian Phytopathology, India, v. 59, n. 2, p. 148–153, 2006. Disponível em: https://epubs.icar.org.in/index.php/IPPJ/article/view/17325. Acesso em: 5 jun. 2026.