Could a fungus found in the Torrey Pines State Natural Reserve be deadly for Torrey pine trees in La Jolla Shores’ Kellogg Park? Representatives of California State Parks have noticed that trees at ...

White pine trees in New Hampshire have been dropping needles this spring but the state Forest Health Bureau says not to be concerned: It’s the result of last year’s rainy late spring and summer and ...

Forest pathologists take a much different view. ‘‘A lot of trees are going to be killed,'' said John Schwandt, national whitebark pine coordinator for the Forest Service. ‘‘A lot of the seeds that ...

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).

The genome of the fungus that helps mountain pine beetles infect and kill lodgepole pines has been decoded in a University of British Columbia study. Also known as blue stain fungus for the stain it ...

CONCORD — White pine trees in New Hampshire have been dropping needles, but that is to be expected after last year’s rainy late spring and summer, according to the N.H. Forest Health Bureau. For the ...

Q: I have a pine tree on the edge of my lawn that has clusters of mushrooms coming up around the base of the trunk. My friend told me these mushrooms are a sign that the tree has rotting roots and the ...

Native Wyoming pine tree joins endangered species list Much of the work is already underway, including direct seeding like that done by Dr. Pansing in Grand Teton Earlier this year, which parallels ...

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 ...

BILLINGS, Mont. (AP) — Climate change, voracious beetles and disease are imperiling the long-term survival of a high-elevation pine tree that’s a key source of food for some grizzly bears and found ...

Climate change, hungry beetles and disease are threatening the survival of a high-elevation pine tree that’s a key source of food for grizzly bears and found across the Western United States, federal ...

Some whitebarks have genetic resistance to blister rust. By identifying those trees and cultivating their seeds, researchers hope to grow new rust-resistant forests in the future. Whitebarks, however, ...