Host Range and Impact of Dichrorampha aeratana, the First Potential Biological Control Agent for Leucanthemum vulgare in North America and Australia.
作者： Urs Schaffner , Hariet L. Hinz , Rosemarie De Clerck-Floate , Alec McClay , Sonja Stutz
关键词: Ornamental plant 、 Plant ecology 、 Biology 、 Introduced species 、 Botany 、 Biological pest control 、 Mauranthemum 、 Leucanthemum 、 Weed 、 Leucanthemum vulgare
摘要: We evaluated the potential of European root-feeding moth Dichrorampha aeratana as a biological control agent for invasive weed Leucanthemum vulgare (oxeye daisy) in North America and Australia. The taxonomic proximity ornamental Shasta daisy (Leucanthemum × superbum) to L. its popularity made finding sufficiently host-specific agents challenge. No-choice tests conducted with 74 non-target species revealed partial or complete larval development on 11 species. In multiple-choice oviposition that were field cages, larvae found five these, however under open-field conditions, only ornamentals creeping (Mauranthemum paludosum). Larval feeding by D. had no measurable impact daisy, but plant competition reduced biomass number flower heads vulgare. conclude is suitable because it will not affect value daisies unlikely feed any other economically important native also expect contribute suppression populations.
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