title: Inhibition of Pythium ultimum in molecular fractions from gel filtration of soil extracts.
mesh_terms: D000935:Antifungal Agents / Q000494:pharmacology*; D001681:Biological Assay; D002170:Canada; D002850:Chromatography, Gel; D005612:Freeze Drying; D005658:Fungi / Q000187:drug effects* / Q000254:growth & development; D006863:Hydrogen-Ion Concentration; D008970:Molecular Weight; D012621:Seasons; D012987:Soil
chemical_list: D000935:Antifungal Agents; D012987:Soil