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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]
Chestnut blight damages trees by producing oxalic acid, which lowers the pH in the cambium and kills plant tissues. Darling 58 adds a oxalate oxidase (OxO) gene from wheat, driven by a CaMV 35S promoter. [11] The promoter allows the OxO protein to be made all through the plant.
Geobotanically, Missouri belongs to the North American Atlantic region, and spans all three floristic provinces that make up the region: the state transitions from the deciduous forest of the Appalachian province to the grasslands of the North American Prairies province in the west and northwest, and the northward extension of the Mississippi embayment places the bootheel in the Atlantic and ...
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 discovery of these specimens has spurred an ongoing project to restore the species by using the offspring of these trees, headed by the Ozark Chinkapin Foundation. [5] An analysis has also found that Ozark chinkapin populations contain far more genetic diversity than those of the American chestnut , which was also devastated by the chestnut ...
The American Chestnut Cooperators' Foundation (ACCF) is a 501(c)(3) non-profit, scientific, and educational foundation that was organized in 1986 and with the help of research and volunteers from Virginia Tech University, is dedicated to restoring the American chestnut (Castanea dentata) [1] to its former place in the United States Eastern ...
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Castanea pumila, commonly known as the Allegheny chinquapin, American chinquapin (from the Powhatan) or dwarf chestnut, is a species of chestnut native to the southeastern United States. The native range is from Massachusetts and New York to Maryland and extreme southern New Jersey and southeast Pennsylvania south to central Florida, west to ...