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EVALUATION OF VARIOUS INSECTICIDES IN CONTROLLING CHILLI THRIPS, Scirtothrips dorsalis HOOD (THYSANOPTERA: THRIPIDAE), ON PEPPER

Author

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  • Seal, D. R.
  • Ciomperlik, M.
  • Richards, M. L.
  • Klassen, W.

Abstract

The chilli thrips, Scirtothrips dorsalis Hood, reproduces on 112 taxa of plants and is an important pest of various vegetable tropical fruit and ornamental crops. It originated in Asia, and in recent years has become widely distributed in tropical, subtropical and temperate areas in Eastern Hemisphere. In 2003 S. dorsalis for the first time was found in the Western Hemisphere established on St. Lucia and St. Vincent in the insular Caribbean. Since there is a paucity of information on the effectiveness of modern insecticides in managing S. dorsalis populations, we evaluated the efficacy of the following materials applied to 'Scotch Bonnet' pepper on St. Vincent: spinosad, imidacloprid, chlorfenapyr, novaluron, abamectin, spiromesifen, cyfluthrin, methiocarb, and azadirachtin. Chlorfenapyr provided significant reduction of S. dorsalis adults and larvae with or without addition of a surfactant. Spinosad and imidacloprid also reduced S. dorsalis populations, but not as effectively as chlorofenapyr. Other insecticides applied just once for the control of S. dorsalis populations performed inconsistently; but these materials may be effective when applied multiple times.

Suggested Citation

  • Seal, D. R. & Ciomperlik, M. & Richards, M. L. & Klassen, W., 2005. "EVALUATION OF VARIOUS INSECTICIDES IN CONTROLLING CHILLI THRIPS, Scirtothrips dorsalis HOOD (THYSANOPTERA: THRIPIDAE), ON PEPPER," 41st Annual Meeting, July 10-16, 2005, Guadeloupe, French Caribbean 264094, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs05:264094
    DOI: 10.22004/ag.econ.264094
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    1. Seal, D. R. & Ciomperlik, M. & Richards, M. L. & Klassen, W., 2005. "Distribution Of The Chilli Thrips, Scirtothrips Dorsalis Hood (Thysanoptera: Thripidae), In Pepper Fields On St. Vincent," 41st Annual Meeting, July 10-16, 2005, Guadeloupe, French Caribbean 264097, Caribbean Food Crops Society.
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    Cited by:

    1. Seal, Dakshina R. & Klassen, Waldemar & Sabines, Catherine, 2007. "Efficacy Of Botanigard®, Tricon™ And Metarhizium Anisopliae Treatments For The Control Of Chilli Thrips, Scirtothrips Dorsalis Hood (Thysanoptera: Thripidae) In The Greenhouse," 43rd Annual Meeting, September 16-22, 2007, San Jose, Costa Rica 256292, Caribbean Food Crops Society.

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    1. Seal, Dakshina R. & Klassen, Waldemar & Sabines, Catherine, 2007. "Management Of Chilli Thrips, Scirtothrips Dorsalis Hood (Thysanoptera: Thripidae): Effectiveness Of Neonicotinoids And Spinosyns And Ineffectiveness Of Pyrethroids," 43rd Annual Meeting, September 16-22, 2007, San Jose, Costa Rica 256293, Caribbean Food Crops Society.

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