Fig. 4.
Micrographs showing effects of DAPG on the morphology of germ tubes of Aphanomyces cochlioides. a An unbranched long germ tube (control); b two germinated cystospores with excessively branched, curled or poorly elongated germ tubes (40 μg/ml) and c a germinated cystospore with hyperbranched and curled germ tube (40 μg/ml). White bar, 10 μm for all micrographs