Evaluation of the efficiency of alternative products to control downy mildew and anthracnose in grapevine, cultivar Niagara Branca

Authors

  • Simone Galvão UFSC/CCA
    • Marciel João Stadnik UFSC/CCA
      • Luiz Augusto Martins Peruch Epagri/Estação Experimental de Urussanga
        • Emilio Della Bruna Epagri/Estação Experimental de Urussanga

          DOI:

          https://doi.org/10.52945/rac.v19i2.939

          Keywords:

          Plant diseases, resistance induction, fruticulture, grape

          Abstract

          The aim of this study was to evaluate the efficiency of alternative products to control downy mildew
          and anthracnose in grapevine. An experiment was carried out at Epagri/Urussanga Experiment Station, in Santa Catarina State, Brazil, from September 2004 to February 2005. The following treatments were tested: Fitophos
          K®, Phosphorus K®, Ecolife-40®, Bordeaux mixture, extract of the alga Ulva fasciata and control. All treatments reduced leaf downy mildew severity compared to non-treated plants (24,7%). However, the highest disease
          reduction was reached by spraying Ulva-extract, which did not differ significantly from both Bordeaux mixture and Ecolife-40® treatments. Plants treated with alga extract had lower anthracnose incidence in grape bunches
          (15%) than the control (42,5%), but did not differ from those treated with Phosphorus K®, Bordeaux mixture and Fitophos K®.



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          Published

          2006-05-27

          Issue

          Vol. 19 No. 2 (2006)

          Section

          Scientific Note Article

          License

          Copyright (c) 2006 Agropecuaria catarinense

          Creative Commons License

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

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          How to Cite

          Evaluation of the efficiency of alternative products to control downy mildew and anthracnose in grapevine, cultivar Niagara Branca. (2006). Agropecuária Catarinense Journal, 19(2), 91-93. https://doi.org/10.52945/rac.v19i2.939