Effects of Rootstock on Productivity and Pruning Requirements of ‘Starkspur Supreme Delicious’ Apple Trees in the NC-140 Cooperative Planting. Journal of the American Pomological Society, [S. l.], v. 45, n. 4, p. 242–246, 1991. DOI: 10.71318/apom.1991.45.4.242. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1925. Acesso em: 13 dec. 2025.