On county golf course tree trunk grows Laetiporus sulphureus, fungus, also known as crab-of-the-woods, sulphur polypore, sulphur shelf, and chicken-of-the-woods, or more generically, shelf fungus.

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A particular fungus that often appears on walnut and hickory trees is downy leaf spot disease. White spots appear all over the leaves and can spread to the top of your tree's canopy. During the ...

Olive trees aren't easy to grow in the UK and black spot fungus makes the task even harder. Preventative fungicides, in addition to care such as irrigating the soil around the olive trees, make it ...

One of the most serious causes of white tree bark is white rot fungus. If your tree normally has white bark, you will need to ...

Leaves become blotchy ... disease does little damage to the tree. Leaf spot has been known in the USA and mainland Europe since the 19th century, but only became common in the UK in the 1990's. It ...

Cankers -- rotting, open areas on tree trunks, branches and twigs -- can grow larger if left untreated, causing dieback in affected areas. Marssonina betulae infects trees in spring and summer, ...

Several types of lichens growing on tree bark Lichens are a combination of a fungus with an algae or bacterium. They can be found on any non-moving substrate like rocks or woody plants. Colors of ...

White pine blister rust (WPBR) kills branches, tree ... leaves or leaves on highly susceptible varieties may fall off during the growing season. Spores from infected Ribes spp. plants are carried to ...

swamp white oak, and bur oak. Oak wilt is usually first identified when green leaves turn yellow or brown on the edges and ...