Researchers at the University of Alberta have investigated how fungal pathogens affect the ability of trees to defend against attacks by mountain pine beetles. "Different fungal pathogens can affect ...

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 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 ...

Evergreens are the backbones of any garden during the winter and the largest green plant. So when I got a call from these wonderful, retired teachers in Nova a few years ago, I had to take a short ...

It starts with the cones. They’re usually gathered in the wild, from whitebark pine trees several thousand feet above sea level somewhere in the West. The cones get shipped to the U.S. Forest ...

A couple of weeks ago, I was asked to look at a pine tree that was declining in health over the past few years. I looked over the tree and surveyed the site it was growing on. It was situated between ...