| 摘要 |
PURPOSE: A method for controlling damage to plant life by insect herbivores is provided, which is safe environmentally. CONSTITUTION: A method of repelling insect herbivores from plant surfaces and also deterring them from feeding on plant surfaces is included. More particularly, a method for repelling such insects and deterring their feeding on plants by applying an aqueous dispersion of polycyclic quinone or precursor thereof to the foliage of the plant and/or to the surrounding soil in which the plant is rooted is concerned. therefore a method for reducing the infestation of ground-metamorphosic insect herbivores on foliated plants comprising applying to the soil adjacent to the plant, prior to emergence of the adult stage from the soil, an aqueous dispersion of polycyclic quinone or precursor thereof is provided.
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