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Comparison of two methods of monitoring thrips populations in a greenhouse rose crop

Abstract : The thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) is among the most important pests of greenhouse crops in Europe and causes considerable damage to commercial rose crops. The usage of pesticides is associated with major problems, and thus the interest of implementing integrated pest management (IPM) for rose crops is increasing. One essential component of IPM is field monitoring/scouting. Growers use information gathered from scouting to select and schedule appropriate control tactics. Thrips populations were surveyed in 2005 and 2006 in a greenhouse planted with roses, Rosa x Hybrida in Southern of France. From April to August, thrips were counted using yellow sticky traps (YST), knock-down techniques [i.e., tapping flower heads (FT)] and actual counts of entire plants. Thrips abundance recorded using YST correlated well with abundance levels determined through FT or actual counts (whole plant). Our results demonstrate that it is accurate to estimate thrips populations using YST in rose crops in greenhouse. Because YST takes at least twice less time than other monitoring methods, it could be used as a valid and easy monitoring technique in further development of IPM programs on roses. The possibility of setting a damage threshold using the data from the YST in the greenhouse is discussed
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Contributor : Migration Prodinra <>
Submitted on : Friday, May 29, 2020 - 10:42:54 PM
Last modification on : Monday, November 16, 2020 - 10:04:11 AM

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Jeannine Pizzol, Doummar Nammour, Pierre Hervouet, Alexandre Bout, Nicolas Desneux, et al.. Comparison of two methods of monitoring thrips populations in a greenhouse rose crop. Journal of Pest Science, Springer Verlag, 2010, 83 (2), pp.191-196. ⟨10.1007/s10340-010-0286-5⟩. ⟨hal-02655664⟩



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