Pinho, Édila Vilela de Resende Von, Renzo Garcia Von Pinho, and Silvio Moure Cicero. 1997. “Use of Morphological Characteristics for Genetic Purity Evaluation of Hybrid Corn Seed”. Pesquisa Agropecuaria Brasileira 32 (9):941-49. https://doi.org/10.1590/S1678-3921.pab1997.v32.4730.