E. Bortolin

Brown apical necrosis (BAN): a fungal disease causing fruit drop of English walnut.

A. Santori, A. Belisario, C. Pezzini, 2010 .

Environmental and Pathogenic Factors Inducing Brown Apical Necrosis on Fruit of English (Persian) Walnut.

M. Scotton, A. Belisario, A. Fiorin, 2015, Phytopathology.