creators_name: Ploomi, Angela creators_name: Luik, Anne creators_name: Metspalu, Luule creators_name: Hiiesaar, Külli type: conference_item datestamp: 2006-05-09 lastmod: 2009-09-18 11:26:34 metadata_visibility: show title: Plant extracts as biopesticides against pests ispublished: pub subjects: 8planthealth full_text_status: public abstract: Two locally available and well-known plants, such as common tansy Tanacetum vulgare L. and wormwood Artemisia absinthum L. were tested for insecticidal activity. They were found to produce a variety of effects against the white large cabbage butterfly Pieris brassicae l., the Colorado potato beetle Leptinotarsa decemlineata Say and the greenhouse whitefly Trialeurodes vaporariorum Westw. These plants affected the feeding activity, behavioural pat-terns, the development and induces mortality in the insects. date: 2006 date_type: published refereed: never citation: Ploomi, Angela; Luik, Anne; Metspalu, Luule and Hiiesaar, Külli (2006) Plant extracts as biopesticides against pests. Joint Organic Congress, Odense, Denmark, May 30-31, 2006. document_url: http://orgprints.org/7538/1/A._Ploomi%2C_Plant_extracts_as_biopesticides_against_pests.doc