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- The Return of the American Chestnut through Genetic Engineering
For decades scientists have been using traditional hybridization methods to breed an American chestnut tree which is immune to the fungus that wiped out the American chestnut in the early 20th century.
Plant scientists have found a new way to fight this fungus. They have used a gene from wheat to create a strain which produces a substance that neutralizes the fungus's lethal acid. This trait is passed along to seedlings.
Experimental stands of these genetically modified trees have been planted by researchers. If permission is granted by the EPA and the Department of Agriculture, these American chestnut trees will be planted in the wild.
In the meantime plant scientists continue to work on developing American chestnut trees with even more resistance.
- Thousand Cankers Disease Continues to Spread
Click here for a description of Thousand Cankers Disease and links to up-to-date news about the spread of this disease which kills black walnut trees.
- Hershey's Nut Grove - A Demonstration Planting of Nut Trees, Pawpaw and Persimmons Trees
With the help of Tucker Hill's grafting skills and the willingness of NNGA members to donate trees, 76 of the donated trees have been planted in Hershey Gardens.
Alternately called a nut-tree "grove" or "forest," the nearly eight-acre work-in-progress will be home to over 100 nut-bearing trees of various species including black and Persian walnut, butternut, heartnut, shagbark and shellbark hickory, pecan, hican (a hybrid of hickory and pecan), hazelnut, chinquapin, American chestnut, pawpaw, persimmon, white oak and pinenut.
Read the full article on Hershey's Nut Grove and see pictures.
This article is reprinted from the November 2012 issue of the Harrisburg Magazine with permission of Harrisburg Magazine, 3400 N. 6th St., Harrisburg, PA 17110.
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