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Insecticidal Activities of Plant Extracts against Tetranchus urticae

Lee, G.Y. (Gyeonggi-do Agricultural Research & Extension Services)
Han, Y.H. (Gyeonggi-do Agricultural Research & Extension Services)
Soh, H.S. (Gyeonggi-do Agricultural Research & Extension Services)
Lee, H.J. (Gyeonggi-do Agricultural Research & Extension Services)
Kim, S.K. (Gyeonggi-do Agricultural Research & Extension Services)

Publication Information

Korean Journal of Organic Agriculture / v.19, no.spc, 2011 , pp. 275-278 More about this Journal

Abstract

To find an alternative for synthetic pesticides, methanol extracts from 69 plant samples were tested for their insecticidal activity against two spotted mite (Tetranchus urticae Koch). Seven plant extracts including Angelica japonica showed over 80% insecticidal activity at 5000 mg/L. Extract of Prunus armeniaca seed showed high insecticidal activity at 3000 mg/L. As a naturally occurring pesticide, P. armeniaca could be useful as a new botanic insecticide.

Keywords

Plant extract; Tetranchus urticae; Insecticidal activity;

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