LAWRENCE — When Frederick Pietrowski saw the large, bright orange, sticky lesions on his northern white cedar trees, he didn't know what to think.

Bright orange growths on juniper trees and shrubs are signs of a fungal disease called cedar-apple rust that involves both junipers and apple trees. Later in the summer, the disease can mar the ...

If your cedars are showing signs of disease, you'll need to identify the issue to appropriately treat it. Learn about some of the most common cedar illnesses.

People across the Ozarks have started to notice a fungus hanging in cedar trees, and it's effect on other trees nearby. It's called cedar-apple rust, and it can do real damage to trees. It all ...

Something from the trees?" We asked Public Works and they say it's actually most likely a fungus. Apparently, some trees get something called Gymnosporangium clavipes, or the cedar-quince rust fungus.

As its name implies, cedar apple rust needs both a cedar-type tree (junipers also will work) and an apple-type tree (depending on the exact variety of rust, apples, crabapples and other members of ...

The fungus cases woody, oddly shaped marble to ping-pong sized balls on the junipers that grow a little each year. The apple and crabapple hosts end up with orange and red leaf spots that can ...

The culprit is Gymnosporangium juniperi-virginianae, the fungus responsible for cedar-apple rust, a disease whose cycle requires two very different hosts.

A strange orange or red fungus, called cedar apple rust, is showing up on cedar and apple trees in the Midwest.

Diseases Various fungal, bacterial, and viral diseases can cause your cedar trees to turn brown. Some fungal diseases include Armillaria root rot (for which there is no cure), phytophthora root ...

The orange dust is from the spores of a rust fungus sprouting on pear trees. Specifically, it looks like Callery pear trees were the most common host for this fungus.

A strange orange or red fungus, called cedar apple rust, is showing up on cedar and apple trees in the Midwest.