engleski

Insecticidal activity of substances of plant origin against stored product insects

The aim of these experiments was to study the insecticidal activity of different aromatic plants against Sitophilus granarius (L.) and Acanthoscelides obtectus Say. In laboratory conditions A. obtectus was most effectively controlled by an oil extract of Lavandula officinalis. Less effective was dried dust of Origanum vulgare, Laurus nobilis, Thymus vulgaris and Rosmarinus officinalis. For the control of S. granarius, the most effective was dried dust of L. nobilis. Under store house conditions the best insecticidal efficacy against S. granarius in milling wheat was shown by dust of R. officinalis, while in seed wheat an oil extract of L. nobilis was best. None of the investigated preparations of plant origin had a negative influence on seed wheat germination.

aromatic plants ; insecticidal effect ; stored pests ; mercantile wheat ; seed wheat ; germination

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