Entomopathogens and neem oil associated with silicon on the management of thrips, downy mildew and yield of onion

Authors

  • Paulo Antonio de Souza Gonçalves Epagri / Estação Experimental de Ituporanga
      Competing Interests
      Não há.
    • Edivânio Rodrigues de Araújo Epagri / Estação Experimental de Ituporanga

      Keywords:

      Allium cepa, Thrips tabaci, Peronospora destructor, Azadirachta indica, biological control

      Abstract

      The objective of this study was to evaluate entomopathogens and neem oil associated with silicon on the management of thrips, downy mildew and onion yield variables. The experiment was carried out at Epagri, Ituporanga Experimental Station, Santa Catarina State, Brazil. The transplanting and harvesting of bulbs were performed respectively on 08/17/2015 and 12/07/2015. The treatments were: Serenade® (Bacillus subtilis) 1%; Metiê® (Metarhizium anisopliae) 1%; Ballveria® (Beauveria bassiana) 1%; Fortneem® (0.12% w/w azadirachtin oil) 1%, used alone or associated with Bugran® (diatomaceous earth, composed of 98.58% SiO2) and control without application. The treatments and dosages used, independently of the addition of silicon, had no effect on the management of thrips, downy mildew and yield of onion. 

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      Author Biographies

      • Paulo Antonio de Souza Gonçalves, Epagri / Estação Experimental de Ituporanga
        Dr. em Ecologia e Recursos Naturais, Epagri /Estação Experimental de Ituporanga, SC, fone (47) 3533-8834, e-mail: pasg@epagri.sc.gov.br
      • Edivânio Rodrigues de Araújo, Epagri / Estação Experimental de Ituporanga
        Dr. em Fitopatologia, Epagri /Estação Experimental de Ituporanga, SC, e-mail: edivanioaraujo@epagri.sc.gov.br

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      Published

      2019-01-22

      Issue

      Vol. 32 No. 1 (2019)

      Section

      Scientific Note Article

      License

      Copyright (c) 2019 Revista Agropecuária Catarinense

      Creative Commons License

      This work is licensed under a Creative Commons Attribution 4.0 International License.

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      How to Cite

      Entomopathogens and neem oil associated with silicon on the management of thrips, downy mildew and yield of onion. (2019). Agropecuária Catarinense Journal, 32(1), 45-48. https://publicacoes.epagri.sc.gov.br/rac/article/view/327