Enniatins fromFusarium avenaceum isolated from balsam fir foliage and their toxicity to spruce budworm larvae,Choristoneura fumiferana (Clem.) (Lepidoptera: Tortricidae) |
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| Authors: | Douglas B. Strongman George M. Strunz Pierre Giguère Chao-Mei Yu Larry Calhoun |
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| Affiliation: | (1) Canadian Forestry Service-Maritimes, P. O. Box 4000, E3B 5P7 Fredericton, New Brunswick, Canada;(2) Present address: Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada;(3) Chemistry Department, University of New Brunswick, Fredericton, New Brunswick, Canada |
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| Abstract: | Material extracted from hyphae ofFusarium avenaceum, isolated from foliage of balsam fir,Abies balsamea, was toxic to spruce budworm larvae when incorporated into insect diet. The major insecticidal component of the toxic fraction was identified by chemical and spectroscopic methods as enniatin complex, rich in enniatin A/A1. Possible ecological implications of these observations are considered. |
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| Keywords: | Enniatins cyclodepsipeptides Fusarium avenaceum Abies balsamea balsam fir Choristoneura fumiferana Lepidoptera Tortricidae spruce budworm insecticide toxin |
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