Spur Leaf Characteristics of Nine Apple Cultivars. Journal of the American Pomological Society, [S. l.], v. 38, n. 1, p. 2–5, 1984. DOI: 10.71318/apom.1984.38.1.2. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1523. Acesso em: 29 jan. 2026.