Fig. 6

Root tip of ash seedlings 6 weeks post inoculation in longitudinal sections of 40 µm thickness in fluorescence- and brightfield microscopy. A Inoculation with the water control. Scale bar = 200 µm. B Inoculation with wt H. fraxineus NW-FVA 1856. Scale bar = 200 µm. C Inoculation with isolate #1.10. Scale bar = 50 µm