Quarantine Testing of Prohibited Germplasm by the USDA at Beltsville, Maryland. Journal of the American Pomological Society, [S. l.], v. 53, n. 1, p. 53–58, 1999. DOI: 10.71318/apom.1999.53.1.53. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/2341. Acesso em: 13 feb. 2026.