First report of Mycosphaerella dearnessii in Italy
Mycosphaerella dearnessii (EPPO A2 quarantine pest) was found on Pinus mugo in a Botanical Garden in Gardone (Brescia) on the western side of Garda Lake in north-eastern Italy. Symptoms were first noticed in spring 1997. Two years later, all P. mugo planted in the Botanical Garden (12 trees, 50-years old) showed extensive necrosis and crown defoliation. This is the first report of M. dearnessii in Italy. The situation of M. dearnessii in Italy can be described as: Present: only near Brescia (Lombardia).
Sources
La Porta, N.; Capretti, P. (2000) Mycosphaerella dearnessii, a needle-cast pathogen on mountain pine (Pinus mugo) in Italy.
Plant Disease, 84(8), p 922.