3 үр дүн
During 2004, the natural juniper forests of the Mediterranean mountain ranges of Castellón and Valencia provinces (Comunidad Valenciana, eastern Spain) were severely affected by wood decay. A 2-year drought was registered in the area, and analyzed soil samples had high rates of conductivity (as much
Large, open, irregularly shaped cankers on trunks and twigs of 4- to 12-year-old Crataegus monogyna Jacq. in a mixed oak forest in northern Italy were observed in 2001. Radial sections through the cankers, which often occurred at sites of hail damage from the previous year, showed a brown
Stem cankers and branches showing bark discoloration, fissuring, resin exudation leading to dieback, crown wilting, and tree mortality have been observed since late spring 2008 on 40-year-old Cupressus macrocarpa (Hartw.) trees planted in forests mixed with Juniperus oxycedrus L. and Acer