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Friday, August 21, 2015
The Indiana State University campus is a little shadier these days thanks to the recent planting of dozens of trees. Ranging from 25-foot tall Siena Glen maple and American elms to smaller Canada chokecherry and tulip trees, about 45 trees were transplanted from university-owned tree farms to replace some of the more than...
Friday, August 21, 2015
An invasive pest is on Maine’s doorstep and forest health experts are stepping up efforts to detect the destructive bug as soon as it crosses the border. Last month, Belknap County became the latest county in New Hampshire to begin restricting the movement of firewood and other wood products. The quarantines are aimed at...
Friday, August 14, 2015
A quarantine to prohibit the movement of ohia trees, the soil surrounding them and ohia products from the Big Island is is likely to be approved this month in an attempt to stop the spread of a fungus that has the potential to kill the native trees throughout the islands. Day by day the disease spreads, killing off...
Friday, July 24, 2015
Cooler spring weather throughout parts of Arizona has caused Sycamore trees in Sunflower and the Oak Creek Canyon area to become infected with a foliage disease.  According to the Arizona State Forestry Division, Sycamore Anthracnose is more unsightly than damaging.  This isn’t the first time trees in those areas have...
Wednesday, July 22, 2015
Oak wilt, the same fungus responsible for Dutch elm disease, kills by blocking the tree's vascular system, tubing used to collect food and water, said Bob Heyd, a forest health specialist from the Department of Natural Resources in Marquette. There are two ways oak wilt can spread: through spores entering a susceptible oak...
Wednesday, July 22, 2015
Scientists gave a forest in West Salem, Wisconsin, famous for its chestnuts, an annual checkup of sorts earlier this month, and the numbers alone wouldn’t tell the whole story. About 15 scientists and students from the University of Wisconsin-La Crosse, Michigan State University and West Virginia University swatted bugs,...
Tuesday, July 14, 2015
With support from the USDA Forest Service’s Forest Health Protection Program, Alaska’s Division of Forestry is achieving goals outlined in its Forest Action Plan. In 2014 the Alaska Division of Forestry and its partner the Alaska Association of Conservation Districts awarded small grants to 12 different organizations to...
Thursday, July 9, 2015
The Colorado State Forest Service reports that Douglas firs on roughly 2,500 acres in the foothills are currently experiencing defoliation caused by the Douglas-fir tussock moth. Experts say damage by the pest can result in a high degree of mortality in severely affected trees. "The fact that we're actually seeing...
Monday, July 6, 2015
The U.S. Forest Service has approved a grant sought by Kentucky and Tennessee in their effort to protect hemlock trees threatened by an invasive pest, officials from both states said. The hemlock woolly adelgid, an Asian insect that was first found in Virginia in the 1950s, has sickened and killed hemlocks in at least 68...
Wednesday, July 1, 2015
Leaf damage has been confirmed in clusters of white oak trees in north and central Arkansas areas due to Jumping Oak Gall, or small plant growths caused by tiny, stingless wasps. In most cases galls do not cause permanent damage or tree mortality. The largest infestations have been confirmed in Crawford, Franklin, Pope and...

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