Incidence of pyrethroid‐resistant oilseed rape pests in Germany

Heimbach, Udo; Müller, Andreas

doi:10.1002/ps.3351

Cited by 67 publications

(84 citation statements)

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“…Because in Germany the proportions of winter oilseed rape on arable land and intensity of the crop growing are similar to those in the Czech Republic and also because the development of Meligethes resistance is detailedly documented in Germany, it is easier to compare the situation in the two countries. On the basis of published data, which were obtained using the same methodology (Zimmer & Nauen 2011a;Heimbach & Műller 2013) it is possible to carefully conclude that the levels of Meligethes resistance to esteric pyrethroids were at a similar level in both countries in 2012 and 2013. However, the problem leading to the current situation progressed markedly faster in Germany.…”

Section: Discussionmentioning

confidence: 99%

“…However, the problem leading to the current situation progressed markedly faster in Germany. The results of pollen beetle monitoring showed a decline in susceptible populations in Germany since 2005 (Heimbach & Műller 2013). At that time no monitoring was carried out and neither farmers nor field researchers had any suspicion of the existence of pollen beetle resistance in the Czech Republic (Seidenglanz et al 2012).…”

Section: Discussionmentioning

confidence: 99%

“…At that time no monitoring was carried out and neither farmers nor field researchers had any suspicion of the existence of pollen beetle resistance in the Czech Republic (Seidenglanz et al 2012). In Germany, the resistance increased very rapidly from year to year (Heimbach & Műller 2013). Since 2009, pollen beetle samples classified as highly resistant have been dominant there.…”

Section: Discussionmentioning

confidence: 99%

“…Since 2009, pollen beetle samples classified as highly resistant have been dominant there. The last populations classified as sensitive were detected in the central part of Germany in 2009 (Heimbach & Műller 2013). In the Czech Republic the main changes occurred several years later (Table 3).…”

Section: Discussionmentioning

confidence: 99%

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Meligethes aeneus (Coleoptera: Nitidulidae) resistance to lambda-cyhalothrin in the Czech Republic in 2012 and 2013

Seidenglanz

Poslušná

Rotrekl³

et al. 2015

Plant Prot. Sci.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Meligethes aeneus (Coleoptera: Nitidulidae) resistance to lambda-cyhalothrin in the Czech Republic in 2012 and 2013

Seidenglanz

Poslušná

Rotrekl³

et al. 2015

Plant Prot. Sci.

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“…The routine use of pesticides is common practice throughout Europe: in the autumn once or twice against cabbage stem flea beetle, early in spring against rape stem weevil, later at least once against pollen beetle and cabbage stem weevil and finally during flowering or early pod setting against seed weevil and pod midge (Williams, 2010, Johnen et al, 2010. Resistance to insecticides in several of the pests has developed in recent years (Heimbach, Müller, 2013). Farmers would like to restrict insecticide use if this did not lead to yield loss.…”

Section: Introductionmentioning

confidence: 99%

Integrated crop and pest management of winter oilseed rape (Brassica napus L.)

Büchs

Klukowski

Luik

et al. 2015

Zemdirbyste-Agriculture

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The six major pests of winter rape in Europe: cabbage stem flea beetle (Psylliodes chrysocephala), cabbage stem weevil (Ceutorhynchus pallidactylus), rape stem weevil (C. napi), pollen beetle (Meligethes spp.), cabbage seed weevil (C. obstrictus) and brassica pod midge (Dasineura brassicae) are partly, sometimes fully, controlled by natural enemies. Crop management can either support or counteract this natural control. An objective of this European Union project No. QLK5-CT-2001-01447 was to design and test an Integrated Crop Management (ICM) system that aimed to be energy-efficient and high-yielding, giving a good economic net return yet with high natural control of pests and to compare it with a standard STaNdard (STN) farming system aimed to depict a modern way of growing rape. The two systems were compared in joint experiments in five countries. Non-inversion tillage was used to increase parasitisation of pollen beetle and seed weevil and activity-densities of ground beetles. Schedule spraying gave more control of stem weevil larvae than spraying to control thresholds. Differences in yield between the two systems were generally small. Where control thresholds were used, pesticide use was more than halved. Cost of soil tillage and the seed yield achieved were the main factors determining net return. Embedded energy of nitrogen fertiliser was more important than energy used for soil tillage. In the ICM system, total production costs, total energy use, labour and fuel costs were lower despite the need for one additional herbicide treatment; however, energy efficiency and nitrogen utilisation was a little lower indicating a need to better adjust nitrogen supply to yield level. A farming system based on the principles of ICM with non-inversion cultivation of soil can be recommended to farmers as a strategy to improve natural control of economically-important pests of winter oilseed rape, usually increase net return, decrease environmental impact and use less resources.

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Temperature‐activity relationships in Meligethes aeneus : implications for pest management

et al. 2014

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BACKGROUNDPollen beetle (Meligethes aeneus F.) management in oilseed rape (Brassica napus L.) has become an urgent issue in the light of insecticide resistance. Risk prediction advice has relied upon flight temperature thresholds, while risk assessment uses simple economic thresholds. However, there is variation in the reported temperature of migration, and economic thresholds vary widely across Europe, probably owing to climatic factors interacting with beetle activity and plant compensation for damage. The effect of temperature on flight, feeding and oviposition activity of M. aeneus was examined in controlled conditions.RESULTSEscape from a release vial was taken as evidence of flight and was supported by video observations. The propensity to fly followed a sigmoid temperature–response curve between 6 and 23 °C; the 10, 25 and 50% flight temperature thresholds were 12.0–12.5 °C, 13.6–14.2 °C and 15.5–16.2 °C, respectively. Thresholds were slightly higher in the second of two flight bioassays, suggesting an effect of beetle age. Strong positive relationships were found between temperature (6–20 °C) and the rates of feeding and oviposition on flower buds of oilseed rape.CONCLUSIONThese temperature relationships could be used to improve M. aeneus migration risk assessment, refine weather-based decision support systems and modulate damage thresholds according to rates of bud damage. © 2014 Society of Chemical Industry

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Incidence of pyrethroid‐resistant oilseed rape pests in Germany

Abstract: The intensive use of only one mode of action for many years is risky, because even pest insects with a low intrinsic resistance risk may develop resistance. Therefore, resistance strategies need to include several control options for pest insects needing regular treatments.

Cited by 67 publications

References 9 publications

Meligethes aeneus (Coleoptera: Nitidulidae) resistance to lambda-cyhalothrin in the Czech Republic in 2012 and 2013

Meligethes aeneus (Coleoptera: Nitidulidae) resistance to lambda-cyhalothrin in the Czech Republic in 2012 and 2013

Integrated crop and pest management of winter oilseed rape (Brassica napus L.)

Temperature‐activity relationships in Meligethes aeneus : implications for pest management

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