Bifenazate, a prospective acaricide for spider mite (Tetranychus urticae Koch) control in Czech hops

Josef Vostřel
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Josef Vostřel: Hop Research Institute, Co., Ltd., Žatec, Czech Republic

Plant Protection Science, 2010, vol. 46, issue 3, 135-138

Abstract: Bifenazate, a new selective carbazate acaricide, seems to be a very good substitute for propargite to control spider mites (Tetranychus urticae Koch) on hops in the Czech Republic. To investigate the phenomenon of T. urticae resistance to this compound, 20 samples of field populations were taken in several Czech and Moravian hop-growing regions in 2006 and 2007 and subjected to laboratory tests in a Potter tower. Low values of C100 M (100% mortality) in comparison with the supposed registered concentration reveal that bifenazate may become a useful acaricide within the anti-resistant strategy against T. urticae not only in Czech but also in all European hop-growing regions.

Keywords: two-spotted spider mite (Tetranychus urticae Koch); hop (Humulus lupulus L.); hop protection; acaricide; bifenazate; resistance; LC90; C100 M; anti-resistant strategy (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:46:y:2010:i:3:id:54-2009-pps

DOI: 10.17221/54/2009-PPS

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