Blackheart Injury in ‘Golden Delicious’, ‘Jonagold’, ‘Empire’ and ‘Rome Beauty’ Apple Trees on Five Rootstocks in the 1990 NC-140 Cultivar/Rootstock Trial. Journal of the American Pomological Society, [S. l.], v. 55, n. 3, p. 146–153, 2001. DOI: 10.71318/apom.2001.55.3.146. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/2441. Acesso em: 7 feb. 2026.