Insect & Disease Resource Center
Search Results
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Oak Mazegill Mushroom
Oak mazegill is a mushroom that grows in heartwood or already rotting wood. These types of stemless mushrooms are called conks.
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Oak Wilt Disease
Oak wilt is a vascular disease caused by a fungus that spreads locally from infected trees to nearby healthy trees. Primarily transmitted through root grafts, it causes sudden wilting (especially in the red oak group), early leaf drop, discolored leaves, and sometimes, vascular streaking in the sapwood.
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Oyster Mushrooms
Oyster mushrooms are very common fungi that are found all over the world. They grow in a flat, broad fan shape and range in colors from white, gray, tan and dark brown. The surface is smooth and the underside shows layers of gills.
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Photinia Leaf Spot
Photinia leaf spot is a fungus that discolors and destroys plant leaves in the cool, wet elements of spring and fall.
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Pink Snow Mold
Pink snow mold is a fungal disease that creates patches of dense, whitish-pink grass blades in winter and spring.
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Powdery Mildew on Lawns
Powdery mildew can be caused by many different species of fungi. The fungi leave a white powdery appearance on the surface of blades of grass.
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Seiridium Canker of Leyland Cypress
Seiridium canker of leyland cypress is a fungal disease that produces oozing brown cankers and causes yellowing and browning of tree branches.