Guide

Moulds and films

The fuzz, films and diseases a jar can grow, what sets them off and what keeps them down.

• Algae / cyanobacteria film on glass
• Blue-green mouldPenicillium spp.
• Damping-off / root rot water mouldPythium spp.
• Green mouldTrichoderma spp.
• Grey mouldBotrytis cinerea
• Pin mould / bread mouldRhizopus stolonifer, Mucor spp.
• Slime mouldPhysarum polycephalum, Fuligo septica
• Sooty mould
• White fuzzy mycelium (new-wood bloom)
• Yellow houseplant mushroomLeucocoprinus birnbaumii