South Dakota's long-needled pine trees have a new threat that can quickly starve them of water — pine wilt disease. Aberdeen City Forester Aaron Kiesz said the first case of pine wilt has been found ...

Japanese black pine tree with a blue sky in the background - Mawaddah Fauziah/Getty Images Japanese black pine (Pinus thunbergii) is an incredibly striking, hardy tree with iconic long needles and ...

A tree gets rid of White Pine Needle Disease by shedding all the needles infected by fungi. Before the needles fall, they will turn shades of yellow and brown. Photo by Emma Malinak/VTDigger Drive ...

Whitebark pine trees, which mainly grow in high-elevation alpine areas, are threatened by diseases and insects, according to the federal government. BILLINGS, Mont. — Whitebark pine trees can live ...

Cooler nights and falling leaves signal that fall is here. Pines in the area are starting to change colors too. Knowing the cause of the discolored needles will help to know if it is nature taking its ...

Purdue Landscape Report: Early June, we received a white pine sample at the Purdue University Plant and Pest Diagnostic Lab that showed early season needle loss lower in the tree canopy (Figure 1, 2).

For months, foresters and researchers have been investigating reports of ailing pine trees in Arkansas. New diagnostic lab results help tell part of the story, but researchers are continuing to ...

Many of the inner needles of my white pine tree are turning brown, but the limb tips are still green; could this be the bad pine disease going around? - Norm, Tulsa Brown pine needles in fall are most ...

TREES. INSECTS ARE FEEDING ON WHITE PINE TREES, AND THAT’S LEADING TO POSSIBLY DEADLY AND INFECTIONS. THE NC FOUR SERVICE FIRST NOTICED THE IMPACT ON TREES LAST SUMMER, AND NOW RESEARCHERS ARE LOOKING ...

Forestry experts have released an interim report that identifies a mix of factors they believe contributed to concerns regarding the health of thousands of acres of pine trees in southeastern Arkansas ...

The dying pine trees across Edmond and northwest Oklahoma City are hard to miss. Driving down the Lake Hefner Parkway and other major thoroughfares in the area, you will notice the pines which rapidly ...