Fig. 2.

a) Impaired seedling development of Zostera marina due to Phytophthora gemini infection, b) Colony morphology of Phytophthora gemini grown on cherry decoction agar (CHA), c) Microscopic detail of Phytophthora gemini sporangia characterized by the occasional formation of two neighbouring sporangia on the zoospore, d) Phytophthora gemini (left) and Halophytophthora sp. Zostera and Phytophthora gemini mycelium (right) growing from infected Zostera marina seeds on a ParpH medium, d) colony morphology of Halophytophthora sp. Zostera grown on CHA. Photos are reproduced from Govers et al. (2016) and Govers et al. (2017).