Occurrence and Etiology of Brown Apical Necrosis on Persian (English) Walnut Fruit.
Belisario A, Maccaroni M, Corazza L, +2 more·Plant disease
In 1998, a severe fruit drop was observed in Italy, principally on cv. Lara Persian (English) walnut (Juglans regia). Dropped fruit showed a brown patch at the blossom end and blackening and rot of inner tissues. The disease, called brown apical necrosis (BAN), was investigated on fruit collected in Italy and France in…