Photo Gallery

P. katsurae disease symptoms Infected chestnut (Castanea) with girdling canker	P. austrocedrae hyphal swellings in liquid media drawing Morphology of hyphae of Phytophthora austrocedrae, from Greslebin et al. 2007	P. cambivora disease symptoms Ink disease impact in sweet chestnut forest in Italy
P. katsurae growth morphology on β-CMA Growth morphology at 7 days on β-CMA	P. ramorum sporangium Deciduous sporangium, photo from Q-bank, used with permission	P. cambivora bole canker Fagus sylvatica bole canker
P. pseudosyringae sporangia Ovoid, semipapillate sporangia showing sympodial development of sporangiophore	P. nemorosa colony morphology on V8 Colony morphology on V8 at 14 days	P. cambivora sporangium Ovoid non-papillate sporangia with well-rounded base and simple sporangiophore
P. pluvialis symptoms on Douglas-fir needles Symptoms of red needle cast on Douglas-fir needles	P. ramorum leaf symptoms on tan oak Tip symptoms on tanoak seedling (Notholithocarpus densiflorus).	P. palmivora symptoms on fruit Brown rot on a lemon fruit caused by Phytophthora palmivora.