Liberal, M.T. 2024. Fertility of F1 and F2 populations involving <i> Solanum tuberosum</i> haploids and several diploid species. Pesquisa Agropecuaria Brasileira. 1, 1 (Mar. 2024), 165–172. DOI:https://doi.org/10.1590/S1678-3921.pab1966.v1.18008.