Blackberry Pollen Sterility Associated with Merton Thornless Germplasm. Journal of the American Pomological Society, [S. l.], v. 38, n. 2, p. 55–57, 1984. DOI: 10.71318/apom.1984.38.2.55. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1534. Acesso em: 30 jan. 2026.