It’s that time of year where pines and other flowering plants are dusting the world with tons of yellow pollen, but if you see orange dust on a pine tree, that could be the sign of a damaging ...

The researchers demonstrated that NIR spectroscopy, when paired with advanced chemometric modeling, can classify resistant and susceptible trees with up to 69% accuracy—even before symptoms appear. In ...

USDA Forest Service researchers at the Southern Institute of Forest Genetics (SIFG) in Saucier, MS are mapping genes in the pathogen that causes fusiform rust to provide future forest managers with ...

A scientist helps save Crater Lake’s whitebark pine trees from an invasive fungus. In 2002, “Oregon Field Guide” told the story of how an invasive fungus called blister rust was killing Crater Lake's ...

In 2002, Crater Lake National Park ecologist Michael Murray thought the park’s majestic whitebark pine trees were as good as gone. An invasive fungus called white pine blister rust was killing the ...