Stimulated production of sporangia of Actinoplanes sp. around
oospore of Pythium coloratum (400). (b) Zoospore germination and
subsequent growth of hyphae of Actinoplanes sp. on and around hyphae of
Pythium coloratum (400). (c) Zoospore germination and subsequent
growth of hyphae of Actinoplanes sp. on and around oospore of Pythium
coloratum (400).