 The progressive spread of the Chestnut blight after it’s introduction into the American wilderness  A canker in the side of an American Chestnut tree.  A fully grown American Chestnut tree  One of Elena Fernandez’s surviving American Chestnut tree saplings. The cup is a mud-packing mechanism to suppress the blight from killing the sapling too soon. Genetically engineered saplings in a Greenhouse and out in the field in Syracuse, NY. Chestnut burs in their early development. |
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