It’s not just the lodgepole pines that are dying in the Colorado mountains. Thirteen percent of aspen trees in the state are now affected by Sudden Aspen Decline, which is caused by disease and ...

Question: What’s the difference between a popple tree and an aspen? I hear the terms used interchangeably. Answer: Popple (or poplar) are common names for aspen trees because their genus is populus, ...

Aspen, also known as aspen poplar, poplar (especially outside North America), popple, trembling aspen, bigtooth aspen, quaky and a dozen other local names, is a wonderful wood for many use. The lumber ...

Quaking or trembling aspen is a short-lived (50 years), fast-growing, medium-sized tree. It seldom exceeds 60 feet in height and 20 inches in diameter. Although it has some good ornamental ...

Tissue culture conditions and transformation have been established for both aspen and poplar. The use of previously described culture conditions resulted in shoot tip necrosis in the shoot cultures ...

Throughout Madison County, much of our forest is dominated by a tall, pale-barked tree that grows ramrod straight. Often called “yellow poplar” by loggers and sawmill owners, it’s also known as “tulip ...

We have a problem with our aspen trees. Nearly all of them are sapping quite a bit and are also splitting down the sides. We live at 6,100 feet in Paonia. Last summer the leaves were mottled. Any ...

IT is well known that the vibratory motion of the leaf of the aspen and other poplar trees is caused by a flattening of the petiole at its junction with the lamina. The lower part of the leaf-stalk is ...

DULUTH — At first it looked as if the invasion had begun: the dreaded onslaught of forest tent caterpillars eating their way across Northland forests, a plague that hasn’t hit hard for 20 years. Up ...