Early Performance of ’Cortland,’ ’Macoun,’ ’Mclntosh,’ and ’Pioneer Mac’ Apple Trees on Various Rootstocks in Maine, Massachusetts, and Nova Scotia. Journal of the American Pomological Society, [S. l.], v. 57, n. 1, p. 7–14, 2003. DOI: 10.71318/apom.2003.57.1.7. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/2499. Acesso em: 8 dec. 2025.