Japanese Maple Verticillium Wilt
This wilt is caused by a fungus in the soil.
Japanese maple verticillium wilt. Japanese maples acer palmatum grow outdoors across u s. In some cases the leaves on a single branch will discolor and die but do not fall from the tree. Some trees have natural resistance or immunity to verticillium wilt. If the leaves of your japanese maple have leaves that are wilting and turning yellow or brown it might have verticillium wilt.
Symptoms are pretty obvious. The brown dead foliage you observe may be because of infection by the verticillium dahliae fungus. If a tree died because of verticillium wilt do not replant the same tree species in that exact location or nearby. Verticillium dahliae a soilborne fungus that is almost impossible to eradicate once established in the soil there are over 300 plant species susceptible to this fungus.
A japanese maples are very susceptible to a soil borne disease called verticillium wilt. This often happens in late summer or early fall. It spreads from the roots upward through the sap to the upper branches causing large limbs to die. Verticillium wilt is a disease that can attack japanese maples.
It forms microsclerotia that germinate in response to exudates from. Commonly infected woody plants include maple smoke tree catalpa and magnolia among others. Verticillium wilt is a serious fungal disease that causes injury or death to many plants. It is a disease of the xylem or water conducting tissues in the plant.
Department of agriculture plant hardiness zones 5 through 8 although they can be cultivated over a. If you or a neighbor had a problem with the disease you might be better off planting a plane tree instead of a maple.