Amabile, Renato Fernando, Caroline Machado Vasconcelos, and Antônio Carlos Gomes. 2002. “Severity of Alternaria in Sunflower Crop in the Cerrado Region of Federal District, Brazil”. Pesquisa Agropecuaria Brasileira 37 (3):251-57. https://doi.org/10.1590/S1678-3921.pab2002.v37.6335.