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Differences in flight activity of pests on winter and spring oilseed rape

Author

Listed:
  • Josef Šedivý

    (2 JOSEF ŠEDIVÝ and JAN VAŠÁK)

  • Jan Vašák

    (2 JOSEF ŠEDIVÝ and JAN VAŠÁK)

Abstract

For 6 years the flight activity of pests on winter and spring oilseed rape was studied from spring till harvest, using yellow traps. In all years the flight intensity was higher in winter rape than in spring rape. The dominant insect pests of winter oilseed rape were Ceutorhynchus obstrictus, C. napi, C. pallidactylus, Dasineura brassicae, Meligethes aeneus, Phyllotreta atra and Ph. nigripes; subdominant were Athalia rosae, Brevicoryne brassicae and Psylliodes chrysocephala. In spring rape the dominant species were Brevicoryne brassicae, Ceutorhynchus obstrictus, Dasineura brassicae, Meligethes aeneus, Phyllotreta atra and Ph. nigripes; subdominant were Athalia rosae, Ceutorhynchus napi, C. pallidactylus and Psylliodes chrysocephala. Dasineura brassicae was not evaluated from trap catches. The damage by D. brassicae is higher to pods on axillary branches than on the main inflorescence. The occurrence of pests on spring rape was tied to a unsuitable phenophase of the plants at the time of flight activity and to the suitability of food. Winter rape requires a higher intensity of chemical treatment against pests than spring rape.

Suggested Citation

  • Josef Šedivý & Jan Vašák, 2002. "Differences in flight activity of pests on winter and spring oilseed rape," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 38(4), pages 139-144.
    • Handle: RePEc:caa:jnlpps:v:38:y:2002:i:4:id:4869-pps
    DOI: 10.17221/4869-PPS
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    Citations

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    Cited by:

    1. Roman Pavela & Jan Kazda & Gerhard Herda, 2007. "Influence of application term on effectiveness of some insecticides against brassica pod midge (Dasineura brassicae Winn.)," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 43(2), pages 57-62.
    2. Tomáš Spitzer & Pavel Matušinský & Dagmar Spitzerová & Jan Bílovský & Jan Kazda, 2014. "Effect of flight activity of stem weevils (Ceutorhynchus napi, C. pallidactylus) and application time on insecticide efficacy and yield of winter oilseed rape," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 50(3), pages 129-134.
    3. Marek Seidenglanz & Jana Poslušná & Eva Hrudová, 2009. "The importance of monitoring the Ceutorhynchus pallidactylus female flight activity for the timing of insecticidal treatment," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 45(3), pages 103-112.

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