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F. vesca semperflorens ‘Alpine’ inoculated by grafting with StrV-1-24/2016(A, B, C), exhibiting (a) multiplication of calyx leaves on one flower (*), petal deformation together with light-green streaks and an irregular length and number of flower structures on the second flower (**), and (b) leaf epinasty 84 days after grafting; (c) A flower from the healthy control.
