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.
An anthracnose infection causes young sycamore leaves to wilt and die. Because it's a deciduous tree, it's natural for your sycamore to drop its leaves each fall. However, if your tree's leaves are wilting and falling off soon after they emerge in spring, this is a sign of trouble. Sycamore species such as American sycamore (Plantanus occidentalis) and California sycamore (P. racemosa) are highly susceptible to the anthracnose fungus.