Dear Allen Nichols
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The experts are not sure how the Asian trees protect themselves. But, SUNY-ESF, in Syracuse have inserted a gene from wheat to create a blight resistant tree that now has an enzyme that breaks down the acid from the fungus. https://drive.google.com/file/d/1URtBrJXLsFmK_i_OXErEsmT5YkswiT6_/view