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Tricholoma matsutake 1-Ocen-3-ol and methyl cinnamate repel mycophagous Proisotoma minuta (Collembola: Insecta).

Mycorrhiza (2007-12-11)
Takuo Sawahata, Satoshi Shimano, Masahiro Suzuki
ABSTRAKT

Two major volatiles produced by the mycelia and fruiting bodies of Tricholoma matsutake (1-octen-3-ol and methyl cinnamate) repel a mycophagous collembolan, Proisotoma minuta. Aggregation of the collembolans on their diet was significantly inhibited by exposure to 1 ppm methyl cinnamate or 10 to 100 ppm 1-octen-3-ol. The aggregation activity decreased dose-dependently upon exposure to 1-octen-3-ol at concentrations higher than 0.01 ppm. Aggregation in the presence of methyl cinnamate exhibited three phases: no significant effect at concentrations ranging from 0.001 to 0.1 ppm, significant inhibition from 1 to 100 ppm, and strong inhibition at 1,000 ppm. These results may explain why certain collembolan species do not prefer T. matsutake fruiting bodies.

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Sigma-Aldrich
Methyl cinnamate, natural, ≥98%, FCC, FG
Sigma-Aldrich
Methyl cinnamate, ≥99.0% (GC)
Sigma-Aldrich
Methyl trans-cinnamate, 99%
Sigma-Aldrich
Methyl trans-cinnamate, ≥98%, stabilized, FCC, FG