Japanese black pine tree with a blue sky in the background - Mawaddah Fauziah/Getty Images Japanese black pine (Pinus thunbergii) is an incredibly striking, hardy tree with iconic long needles 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 ...

South Dakota's long-needled pine trees have a new threat that can quickly starve them of water — pine wilt disease. Aberdeen City Forester Aaron Kiesz said the first case of pine wilt has been found ...

In the 1970s and 1980s, pine trees growing in various forestry plantations in South Africa’s Western Cape province began to die in patches. These trees succumbed to a mysterious root disease and the ...

LITTLE ROCK (KATV) — The investigation into a mysterious ailment killing Arkansas pine trees has yielded some answers. The increasing occurrences of the strange affliction in recent months have ...

For months, foresters and researchers have been investigating reports of ailing pine trees in Arkansas. New diagnostic lab results help tell part of the story, but researchers are continuing to ...

Whitebark pine trees, which mainly grow in high-elevation alpine areas, are threatened by diseases and insects, according to the federal government. BILLINGS, Mont. — Whitebark pine trees can live ...

Climate change and drought are shifting how and where infectious plant disease moves in a forest. Even pathogens have their limits. When it gets too hot or too dry, some pathogens — like many living ...

DONE TO PROTECT THESE FORESTS. WHITEBARK PINE FORESTS COVER MORE THAN 80 MILLION ACRES ACROSS WESTERN NORTH AMERICA. THESE TREES PROVIDE FOOD AND SHELTER FOR ANIMALS AND HELP TO CONTROL SPRING RUNOFF.