Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic.
Photo Gallery
P. cactorum oogonium |
Phytophthora cactorum disease symptoms on English walnut Mortality of Juglans regia caused by Phytophthora cactorum. |
Phytophthora cactorum disease symptoms on English walnut Dieback of Juglans regia caused by Phytophthora cactorum |
P. cactorum sporangium P. cactorum sporangium |
Phytophthora cactorum canker on beech tree Canker on Fagus sp. caused by Phytophthora cactorum. |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |