Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...
An Ashland reader recently noticed some curious little, almost lantern-like attachment appearing on her spruce. At first glance, these little cocoons looked like little lanterns in her evergreen.
Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...
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Money Doesn’t Grow on Trees? These Spruce Trees in Finland Are Growing Tiny Flecks of Gold in Their Needles
In the forests of Finnish Lapland, beneath which some gold is known to lie underground, scientists have found something unexpected happening above the soil. Inside the needles of Norway spruce trees, ...
Spruce trees provide two types of food; cones like this one that contain seeds for birds to eat and needles that caterpillars eat. / BILL DANIELSON / For the Gazette Sign up for the Gazette's morning ...
How trees fare under drought depends heavily on their past experiences. In some cases, adversity breeds resilience: Spruce trees that experience long-term droughts are more resistant to future ...
ON THE KOBUK RIVER — It’s been a rainy fall. Again today the clouds are low, mist fills the air and raindrops pelt the windows. Water drips off tree branches. Down the hill through the wet grasses and ...
Question: We have a spruce lined border to the back of our subdivision that our yard is a part of. Many of the trees are beginning to lose all the needles on a few low branches on each tree. It looks ...
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