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.
Panama disease of bananas is a classic vascular wilt disease caused by a fungus (Fusarium oxysporum). The fungal pathogens enter the banana tree through the xylem, and then use the water stream to spread the fungal spores throughout the entire plant.