Fig. 3

GPCN juvenile penetration into the root tissues of the susceptibleS. phureja accessioni-0144786 (a, 72 hpi) and resistantS. phurejaaccession i-0144787 (b, 24 hpi;c, 48 hpi;d, 72 hpi).a, no signs of necrosis near the nematode juvenile;b, zone of necrosis close to the GPCN juvenile head;c, large necrosis zone near the GPCN juvenile head;d, GPCN juveniles are surrounded by necrosis zones. Arrows mark the GPCN juveniles