Fig. 1
From: Histological and molecular responses of Vigna angularis to Uromyces vignae infection
Symptoms and frequency of uredospore germination, infection and Sv deformity on different cultivars. A and B, symptoms on the leaf of the susceptible cv. BQH and resistant cv. QH1 at 10 days post-inoculation. C-E, indicate the uredospore development on susceptible cv. BQH at 24 h post-inoculation (hpi). C, showed the uredospore (Ur) germination with germ tube (Gt), bar = 20 μm. D, showed the appressorium (Ap) formed on stomata, bar = 20 μm. E, showed the normal circular substomatal vesicle (Sv), bar = 10 μm. F-H, showed the uredospore development on resistant cv. QH1 at 24 hpi. F, ungerminated uredospore, bar = 20 μm. G, germinated uredospore without appressorium formation, bar = 20 μm. H, showed the deformity Sv, bar = 10 μm