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...

In Lithuania, the dieback of European ash (Fraxinus excelsior L.), caused by alien ascomycete Hymenoscyphus fraxineus, started in mid-1990s, resulting a large-scale decline F. and its dominated forest habitats. Nevertheless, recent inventories show presence several hundred hectares naturally regenerated stands. We used seven sites three planted progeny trials to collect leaves, shoots, roots, s...

We examined large-scale patterns of morphology, genetic structure and ecological correlates of Fraxinus excelsior and the closely related species Fraxinus angustifolia in France, in order to determine the degree of hybridization between them. We sampled 24 populations in two putative hybrid zones (Loire and Saône), and five control populations of each species. We measured foliar characteristics...

Fraxinus, a member of the Oleaceae family, commonly known as ash tree is found in northeast Asia, north America, east and western France, China, northern areas of Pakistan, India, and Afghanistan. Chemical constituents of Fraxinus plant include various secoiridoids, phenylethanoids, flavonoids, coumarins, and lignans; therefore, it is considered as a plant with versatile biological and pharmaco...

An order, family and genus are validated, seven new genera, 35 species, two combinations, epitypes, lectotypes, 17 interesting host / or geographical records introduced in this study. Validated genus: Superstratomycetales Superstratomycetaceae (based on Superstratomyces ). New genera: Haudseptoria typhae ); Hogelandia lambearum Neoscirrhia osmundae Nothoanungitopsis urophyllae Nothomicrosphaero...