Dryden, G.H., M.A. Nelson, J.T. Smith, and M. Walter. “Postharvest Foliar Nitrogen Applications Increase <i>Neonectria ditissima</i> Leaf Scar Infection in Apple Trees”. New Zealand Plant Protection 69 (January 8, 2016): 230–237. Accessed June 20, 2024. https://journal.nzpps.org/index.php/nzpp/article/view/5885.