Rootstock Research Foundation Helps Establish Four Field Trials. Journal of the American Pomological Society, [S. l.], v. 31, n. 1, p. 21–22, 1977. DOI: 10.71318/apom.1977.31.1.21. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1320. Acesso em: 5 feb. 2026.