Fig. 3.
Inhibitory effect of trioxsalena and corynan-17-ol, 18,19-didehydro-10-methoxy-, acetate (ester) b on the mycelial growth of P. infestans, untreated control c and the abnormalities in the morphology of P. infestans under scanning electron microscopy. d hypha with protrusions under the effect of trioxsalen, e swollen and hypha with hole due to the effect of corynan-17-ol, 18,19-didehydro-10-methoxy-, acetate (ester),f healthy hypha of P. infestans, ginhibitory effect of mandipropamid and hmetalaxyl on the mycelial growth of P. infestans