spore germination encysted zoospore germination GO:0075226 Note that this term should not be used to annotate gene products of the host. It should only be used to annotate those gene products from the symbiont involved in this process. encysted zoospore germination on or near host biological_process The physiological, developmental and morphological changes that occur in an encysted zoospore, that germinates by developing a germ tube that may penetrate the host directly or indirectly through an appressorium. An encysted zoospore is a zoospore which has shed its flagellum and whose membrane has fused to form a walled cyst. The host is defined as the larger of the organisms involved in a symbiotic interaction.