Once the disease starts, it can spread to the stems, tree bark, and hanging fruit. The fully ripened fruits on the trees are more likely to be infected than those that are still developing, and they ...

Add Yahoo as a preferred source to see more of our stories on Google. Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. And ...

All over Gem County, the Fire Blight fungus is taking over. What starts as a bacterial ooze, quickly turns to the tree’s bark becoming dark and eventually causing tree limbs to break off. Fire blight, ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Pierce County brings an added concern: It can injure people. A research project using citizen ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen now found in Bellingham brings an added concern: It can injure people. A research project using citizen ...

GRAND JUNCTION (AP) – A silent killer steadily encroaching on the most beloved of Western Slope fruit has moved into the crosshairs of peach growers and researchers. It’s a fungus so widespread that ...

American beeches (Fagus grandifolia) have been suffering recently from a disease widespread in both Connecticut landscapes and forests, Beech leaf disease (BLD), caused by a foliar nematode, ...

Q: I recently purchased a home with several mature navel orange trees. One of the trees has about half the bark missing from the trunk and sort of circular looking lesions that ooze sap in the area ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Western Washington brings an added concern: It can injure people. A research project using citizen ...

Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists recently discovered. But a special fungus can help the trees circumvent this ...