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Differences between the effects of insecticidal seed and foliar treatments on pea leaf weevils (Sitona lineatus L.) in the field pea (Pisum sativum L.)

Author

Listed:
  • Marek Seidenglanz

    (Services Ltd., Šumperk, Czech Republic)

  • Jiří Rotrekl

    (Research Institute for Fodder Crops, Ltd., Troubsko, Czech Republic)

  • Iva Smýkalová

    (Services Ltd., Šumperk, Czech Republic)

  • Jana Poslušná

    (Services Ltd., Šumperk, Czech Republic)

  • Pavel Kolařík

    (Research Institute for Fodder Crops, Ltd., Troubsko, Czech Republic)

Abstract

Tested seed treatments (two doses of thiamethoxam, thiamethoxam + fludioxonil + metalaxyl-M; two doses of clothianidin + beta-cyfluthrin) showed high effects on pea leaf weevils (Sitona lineatus L.) which approved relatively long-lasting and sufficient protection of several bottom nodes of stipules simultaneously. The effects of foliar treatments (chlorpyrifos + cypermethrin; acetamiprid, lambda-cyhalothrin) sometimes were evident only on the node which was determined as the youngest node at the time of spraying. The effects of the compared seed and foliar treatments on the reduction of S. lineauts larvae numbers on roots were not proven as positive. It is possible to conclude that the foliar application had no real effect in this sense at all. However, positive significant effects of thiamethoxam and clothianidin + beta-cyfluthrin on root nodulation in general were recorded. Especially higher doses of the seed treatments increased overall nodulation from 43% till 363%.

Suggested Citation

  • Marek Seidenglanz & Jiří Rotrekl & Iva Smýkalová & Jana Poslušná & Pavel Kolařík, 2010. "Differences between the effects of insecticidal seed and foliar treatments on pea leaf weevils (Sitona lineatus L.) in the field pea (Pisum sativum L.)," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 46(1), pages 25-33.
    • Handle: RePEc:caa:jnlpps:v:46:y:2010:i:1:id:34-2009-pps
    DOI: 10.17221/34/2009-PPS
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    References listed on IDEAS

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    1. Jiří ROTREKL & Jiří CEJTCHAML, 2008. "Control by seed dressing of leaf weevils of the genus Sitona (Col.: Curculionidae) feeding on sprouting alfalfa," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 44(2), pages 61-68.
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