Fleck, Nilson G., Paulo Regis E. da Silva, Carlos M. N. Machado, and Moacir A. Schiocchet. “Artificial Defoliation During Anthesis Stage in Sunflower”. Pesquisa Agropecuaria Brasileira 18, no. 4 (April 16, 2014): 371–379. Accessed November 11, 2025. https://apct.sede.embrapa.br/pab/article/view/15243.