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Young tree in natural habitat American chestnut male (pollen) catkins. Castanea dentata is a rapidly-growing, large, deciduous hardwood eudicot tree. [20] A singular specimen manifest in Maine has attained a height of 115 feet (35 m) [21] Pre-blight sources give a maximum height of 100 feet (30 m) and a maximum circumference of 13 feet (4.0 m). [22]
By 1940, most mature American chestnut trees had been girdled by the disease. [14] It took about 40 years to devastate the nearly four-billion-strong American chestnut population in North America. [16] Only a few clumps of uninfected trees remained in Michigan, Wisconsin, and the Pacific Northwest.
The mission of The American Chestnut Foundation (TACF) is to restore the American chestnut tree to the forests of Eastern North America by breeding genetically diverse blight-resistant trees, evaluating various approaches to the management of chestnut pests and pathogens, and reintroducing the trees into the forest in an ecologically acceptable manner.
The American chestnut tree was nearly wiped out by disease. But efforts are underway to develop a new strain that's more resistant to blight. A Stroll Through the Garden: Efforts underway to ...
The original habitat of the American chestnut. Source: U.S. Department of Agriculture / Wikimedia Commons. An estimated 3 billion to 6 billion American chestnut trees once covered forests ...
The American chestnut tree used to grow throughout the eastern U.S., but was devastated by a blight in the early 20th century. Skip to main content. 24/7 Help. For premium support please call: 800 ...
The American chestnut trees that provided much of the mast on which the passenger pigeon fed was itself almost driven to extinction by an imported Asian fungus (chestnut blight) around 1905. As many as thirty billion trees are thought to have died as a result in the following decades, but this did not affect the passenger pigeon, which was ...
The Darling 58 is a genetically engineered American chestnut tree. The tree was created by American Chestnut Research & Restoration Program (ACRRP) at the State University of New York College of Environmental Science and Forestry (SUNY ESF) in collaboration with The American Chestnut Foundation (TACF) [1] to restore the American chestnut to the ...
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