Hyphae without cross wall (septa)
Hyphae with cross wall (septa)
- Hyphae branched at right angles, with constrictions at branch origins; uniform hyphal diameter (View info on Rhizoctonia spp.)
- Hyphae branch in Y’s; non-uniform hyphal diameter (View info on Sclerotinia spp.)*useful only to distinguish from Rhizoctonia spp.
- Hyphae with clamp connections (View info on Typhula spp.)*look for small, dark sclerotia embedded in infected tissue (View info on Limonomyces roseipellis)
- Look for cottony pink mycellium on infected patches of turf)
- (Basidiomycetes) Most of the fairy ring fungi
- Look for white mycellium in the soil or thatch at the outer edge of rings
