Mazzucchi, A., and A. Brunelli. 2009. “Resistance to <i>Erwinia Amylovora </i>In Immature Pears Induced by Acibenzolar-S-Methyl in the Orchard”. Phytopathologia Mediterranea 47 (3):272-76. https://doi.org/10.14601/Phytopathol_Mediterr-2732.