Santos, F.S. dos et al. 2019. Tetrazolium test for Pinus taeda: preparation, staining, and seed viability classes. Pesquisa Agropecuaria Brasileira. 54, X (Oct. 2019), e01088. DOI:https://doi.org/10.1590/S1678-3921.pab2019.v54.26591.