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Percentage of stems girdled and percentage of plants wilted following small stem inoculations. Cankers, leaf wilt, and stem death were observed following inoculation. (a) Wilt over 5 weeks preceded death of all nontransgenic American chestnut (NTAC), while WX162 and WX167 showed no wilt. (b) Percentage of stems girdled 29 days postinoculation (dpi), full girdling leads to wilt and death. Qing, resistant Chinese chestnut control
