HOLB, I. J. Effect of pruning on disease incidence of apple scab and powdery mildew in integrated and organic apple production. International Journal of Horticultural Science, [S. l.], v. 11, n. 1, p. 57–61., 2005. DOI: 10.31421/IJHS/11/1/559. Disponível em: https://ojs.lib.unideb.hu/IJHS/article/view/559. Acesso em: 21 may. 2022.