Best places to visit in Russia: Our pick #8. Karelia stretches from the White Sea coast to the Gulf of Finland. Carved out by a glacier thousands of years ago, it contains the two largest lakes in Europe, Lake Ladoga and Lake Onega. Karelia is a beautiful region of hills, lakes, rivers, forest and steppes.
Verticillium wilt is a common disease of a. wide variety of ornamental trees and shrubs. throughout the United States and. Connecticut. Maple, smoke-tree, elm, redbud, viburnum, and lilac are among the. more important hosts of this disease. Japanese maples appear to be particularly.
Clematis wilt This is the most important disease of clematis. Large-flowered varieties vary in their susceptibility whilst small-flowered forms are mostly resistant. Clematis wilt is caused by infection with a fungus which results in the sudden wilting and collapse of the upper parts of the plant. The plant can sometimes be saved by cutting back below the level of infection - even if this means cutting it down to ground level.