Fig. 3
From: Reduced phloem uptake of Myzus persicae on an aphid resistant pepper accession
Histochemical staining of callose in the GPA-infested leaves (a, b) and GPA-free leaves (c, d). Resistant accession PB2013071 (a, c); susceptible accession PB2013046 (b, d). Staining was carried out 24Â h after the start of the infestation