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).

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An unidentified fungal killer swept through a South African pine plantation in the 1980s. Rodger Shagam In the 1970s and 1980s, ...

This tree is infected with the fungal pathogen that causes Pine Ghost Canker, which can be fatal for trees. (Akif Eskalen, UC Davis) Fungal pathogens that cause die-back in grape, avocado, citrus, nut ...

A thick blanket of snow covers the Tahoe Basin, its grasses and trees dormant as they wait for spring. But tucked in an office on the southwest shore of Lake Tahoe, Sugar Pine Foundation Executive ...