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(A) Appressorium morphology. Appressorium formation was induced on cicada hind wings using a method described previously (54). AP, appressorium; GE, germ tube; CO, conidium. Bar = 20 μm. (B) Hyphal body differentiation at 3 days after injection of conidia into P. brassicae larva. Bar = 20 μm. WT, wild type.
