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Fungicidal efficacy of some dimethyldithiocarbamates, dymethylaminopropionitrile and some salts of S-substituted thioglycolic acid
1998 - IRG/WP 98-30180
Screening for fungicidal activity against Trametes versicolor and Coniophora puteana of the following compounds was performed: sodium N,N-dimethyldithiocarbamate, dimethylalkylammonium (C12-C14) N,N-dimethyldithiocarbamate, benzyldimethylalkylammonium (C12-C14) N,N-dimethyldithiocarbamate, N,N-dimethylaminopropionitrile and ammonium, copper and zinc salts of N,N-dimethyldithiocarbamoylacetic acid. The compounds were synthesised and delivered by UCB Chemicals, Ghent, Belgium. Potato dextrose agar was used as a nutrient medium. The strongest fungicidal activity against both fungi was exhibited by dimethylalkylammonium and benzyldimethylalkylammonium dimethyldithiocarbamates. They retarded mycelium growth already at a concentration of 1.0x10-4 mol/l and completely prevented the growth at 1.0x10-3 mol/l. The other compounds revealed lower fungicidal efficacy. The activity of dimethyldithiocarbamates and dimethylaminopropionitrile was determined also by a mini-block test method. Impregnated spruce wood mini-blocks were exposed to Coniophora puteana and beech wood mini-blocks to Trametes versicolor. In both cases, outcomes of the mini-block test confirmed the screening results.
M Petric, F Pohleven, M Humar, U Kolman