White pine needle damage/defoliation (WPND) was first observed in the state of Maine in 2010 and was attributed to three needle blight diseases, including Lecanosticta, and has since been observed ...

Japanese black pine trees may be visually ... This tree is susceptible to a number of pests and diseases, including pine wilt nematodes, ... and the growth of white fungus at the tree's base.

In the Tahoe Basin, it impacts native sugar pines, western white pines and whitebark pines. Sugar pines are the world’s largest pine tree. They can grow to more than 100 feet tall, and their ...

Discover the major common tree diseases in the United States. Armillaria attacks both hardwoods and softwoods and causes either yellowing leaves or browning needles. Wood that is decaying from ...

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 ...

MONTPELIER, Vt. (WCAX) - Some pine trees in the Green Mountain State are being hit with a fungus that is turning them brown. Vermont forestry officials say white pine needle damage is affecting ...

The biggest threat to the trees is white pine blister rust, according to the Fish and Wildlife Service. The fungus is a parasite that infects the tree through its needles, Omdal said.

White pine blister rust, an invasive fungus sweeping through the tree’s range of more than 80 million acres in the United States and Canada, poses the greatest threat to its survival.

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.

All around the Magic Valley you can find spruce and pine trees standing dead in twos, threes and fours. The culprit: needle rust, and this fungus spreads easily to neighboring evergreens.

About 100 seedlings of the whitebark pine tree were planted in Central Oregon early last month. The goal is to help increase their declining population. April 27, 2025 ...

University of Idaho Extension will offer an all-day white pine restoration workshop June 13 in Sandpoint. “It used to be the major species in the Inland Northwest, especially in North […] ...