The most common cause of brown pine needles occurs in the fall and is normal. Pines shed older needles similarly to other trees’ fall foliage drop. The needle drop may be impressive in a large ...

Diplodia tip blight is a fungus disease that kills the new growth on susceptible species of pine trees. The obvious sign of diplodia tip blight is seen in spring, when new needles at the tips of ...

The tree reaches heights of 50 to 75 feet, is conical-shaped, and has a somewhat open and sparse growth habit. Small, egg-shaped cones (about ¾ inches long) are prevalent on the tamarack; the ...

DURHAM, N.H. (AP) — Many people in southern New Hampshire have noticed the needles of white pines turning yellow and brown this spring — and that's due to a fungus called "needlecast ...

Stretching from British Columbia, Canada down to parts of California and east to Montana, live the whitebark pine. The tree grows in subalpine and timberline zones — elevations anywhere from ...

University of New Hampshire researchers said white pine trees in New England have struggled with needlecast since 2010. Researchers are studying four fungi known to cause needle browning.

The fungus trades the nitrogen with the host tree, which supplies carbon to the fungus. In this way, white pine trees are acting indirectly as predators, Klironomos said.

Now this spring, another problem is affecting loblolly pine trees. The Alabama Forestry Commission (AFC) is cautioning forest landowners about brown spot needle blight, a fungal disease that ...

To save a pine tree, researchers fight fungus with fungus White bark pines are dying from infection across the Northern Rockies. by Ben Goldfarb December 21, 2015 January 24, 2024 ...

Do you have a mature pine tree with bunches of brown needles? It may be suffering from a fungal disease called diplodia tip blight. “Diplodia has become more common due to environmental stress ...