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The Potential for Decision Support Tools to Improve the Management of Root-Feeding Fly Pests of Vegetables in Western Europe

Affiliation
Warwick Crop Centre, School of Life Sciences, University of Warwick, Wellesbourne, Warwick CV35 9EF, UK
Collier, Rosemary;
Affiliation
Agroscope, Research Division Plant Protection, Müller-Thurgau-Strasse 29, 8820 Wädenswil, Switzerland
Mazzi, Dominique;
Affiliation
Norwegian Institute of Bioeconomy Research (NIBIO), Division of Biotechnology and Plant Health, P.O. Box 115, NO-1431 Ås, Norway
Folkedal Schjøll, Annette;
GND
1023138239
Affiliation
Julius Kühn-Institute (JKI), Institute for Plant Protection in Horticulture and Forests, Germany
Schorpp, Quentin;
Affiliation
Norwegian Institute of Bioeconomy Research (NIBIO), Division of Biotechnology and Plant Health, P.O. Box 115, NO-1431 Ås, Norway
Thöming, Gunda;
Affiliation
Norwegian Institute of Bioeconomy Research (NIBIO), Division of Biotechnology and Plant Health, P.O. Box 115, NO-1431 Ås, Norway
Johansen, Tor J.;
Affiliation
Department of Plant Sciences, Norwegian University of Life Sciences, Box 5003, N-1432 Ås, Norway
Meadow, Richard;
Affiliation
Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
Meyling, Nicolai V.;
Affiliation
IGEPP, INRAE, Institut Agro, Univ Rennes, 35000 Rennes, France
Cortesero, Anne-Marie;
GND
1172208549
Affiliation
Julius Kühn-Institute (JKI), Institute for Plant Protection in Horticulture and Forests, Germany
Vogler, Ute;
Affiliation
Horticultural Development Department, Teagasc, Ashtown, D15DY05 Dublin 15, Ireland
Gaffney, Michael T.;
GND
1058983830
Affiliation
Julius Kühn-Institute (JKI), Institute for Plant Protection in Horticulture and Forests, Germany
Hommes, Martin

Several important vegetable crops grown outdoors in temperate climates in Europe can be damaged by the root-feeding larvae of Diptera (Delia radicum, Delia floralis, Chamaepsila rosae, Delia platura, Delia florilega, Delia antiqua). Knowledge of pest insect phenology is a key component of any Integrated Pest Management (IPM) strategy, and this review considers the methods used to monitor and forecast the occurrence of root-feeding flies as a basis for decision-making by growers and the ways that such information can be applied. It has highlighted some current management approaches where such information is very useful for decision support, for example, the management of C. rosae with insecticidal sprays and the management of all of these pests using crop covers. There are other approaches, particularly those that need to be applied at sowing or transplanting, where knowledge of pest phenology and abundance is less necessary. Going forward, it is likely that the number of insecticidal control options available to European vegetable growers will diminish and they will need to move from a strategy which often involves using a single ‘silver bullet’ to a combination of approaches/tools with partial effects (applied within an IPM framework). For the less-effective, combined methods, accurate information about pest phenology and abundance and reliable decision support are likely to be extremely important.

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