Common ash ( Fraxinus excelsior L.) is a keystone tree species in Europe. However, since the 1990s, this has been experiencing widespread decline and mortality due to dieback [ Hymenoscyphus fraxineus (T. Kowalski) Baral, Queloz Hosoya]. Besides H. , emerald borer Agrilus planipennis Fairmaire), an invasive alien pest already devastating trees western Russia, spreading westward becoming emergin...

Heat treatment may result in variation of wood equilibrium moisture content (EMC). During this study, tauari (Couratari oblongifolia), ash (Fraxinus excelsior), and oak (Quercus rubra) woods were heat-treated at 190, 200, and 210oC for 3 hours and then put into a conditioning chamber with a temperature from 30 to 75oC and a relative humidity from 50 to 90%. The isothermal moisture adsorption cu...

For the last two decades, large-scale population decline of European ash ( Fraxinus excelsior) has occurred in Europe because introduction alien fungal pathogen, Hymenoscyphus fraxineus , from East Asia. Since is a keystone species having critical importance for biodiversity, and only small percentage appears to show some tolerance against loss trees means that other associated organisms, espec...

Given the forestry, ecological and economic value of forests with participation Fraxinus excelsior taking into account intensive deterioration their phytosanitary status in modern conditions, a comprehensive study symptoms, causes, pathogenesis ash tuberculosis further development effective protection measures, including using biological products based on Bacillus sp. other myco- microorganisms...