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.
Rachis Blight. Also called petiole blight, this fungal disease has similar symptoms to the other fungal diseases that can afflict pygmy date palm trees and other palms. Rachis blight causes discolored streaks or lesions on the petioles of older fronds. The petiole is the stalk that connects a leaf to its stem.he fungus affects the tree's leaf blades and petioles and can later cause bud rot. Watch for signs of spots on the leaves of your palm; they begin small and yellow, then grow larger and become brown or black, and sometimes turn grey with a black area surrounding them. It also forms lesions on the petiole and rachis.