EFFECT OF SYNTHETIC PYRETHROID LAMBDA-CYHALOTHRIN ON POPULATION DYNAMICS OF CEREAL APHIDS AND APHID PREDATORS (COLEOPTERA: COCCINELLIDAE) IN WINTER WHEAT
Lilyana M. Koleva
Pages: 296-304
Published: 1 Jan 2013
Views: 263
Downloads: 11
Abstract: The application of broad spectrum insecticides in reduced doses ensures an environmentally friendly crop protection and in addition to the elimination of aphids also a conservation of beneficial insects. The field investigations were carried out with winter wheat cultivar "Rusalka” in the vicinity of the city of Sofia., Bulgaria. The aphids and beneficial arthropods in winter wheat crops were evaluated by means of visual analysis (random plants). The insecticide application was carried out in the following variants: K0-untreated; K50- 50 ml/ha K75- 75 ml/ha. In the insecticide-treated variants in the days after the treatment, high mortality rates of 89-99 % of the cereal aphids were verified. The development of the coccinellids was strongly influenced by the insecticide application. The synthetic pyrethroid Karate Zeon caused even in the reduced application rate (K50) a nearly 100% decrease of the larval density. The density of the imagines increased again 14 days after the treatment.
Keywords: winter wheat, cereal aphids, coccinelidae, pyrethroid karate zeon
Cite this article: Lilyana M. Koleva. EFFECT OF SYNTHETIC PYRETHROID LAMBDA-CYHALOTHRIN ON POPULATION DYNAMICS OF CEREAL APHIDS AND APHID PREDATORS (COLEOPTERA: COCCINELLIDAE) IN WINTER WHEAT. Journal of International Scientific Publications: Agriculture & Food 1, 296-304 (2013). https://www.scientific-publications.net/en/article/1002926/
Back to the contents of the volume
© 2026 The Author(s). This is an open access article distributed under the terms of the
Creative Commons Attribution License https://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. This permission does not cover any third party copyrighted material which may appear in the work requested.
Disclaimer: The Publisher and/or the editor(s) are not responsible for the statements, opinions, and data contained in any published works. These are solely the views of the individual author(s) and contributor(s). The Publisher and/or the editor(s) disclaim any liability for injury to individuals or property arising from the ideas, methods, instructions, or products mentioned in the content.
