downy mildew of cruzifers host tissue with conidia living in decaying plant.

mould rotten agriculture plant host cell spores food messy microbiology pattern scientific rhizopus slide mold spore cells macro living science downy parasite zygote stem saprophytic background mycology hypha colony fungal enzyme culture conidia leaf zygomycota decaying sporangium tree sporangia fermentation research education bread tissue fungus infected owny disease zygospore microscope educationn microscopic mildew under fungi detail cruzifers parasitic rotting tempeh