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      Andreas
      18 April 2022
      0 Wish green leaves

      Pear tree – treatment against rust (Gymnosporangium sabinae)

      How efficient is Chorus 50 WG to combat rust in pear trees (Gymnosporangium sabinae)?

      #159706

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      Armurospecialist
      18 April 2022

      Hello, Chorus 50 WG, 4.5 g fungicide is not registered to control the phytopathogen causing pear rust (Gymnosporangium sabinae). In general, treatments with fungicides containing difenoconazole or tebuconazole as active substances are recommended for this disease, and you can use products such as Dagonis, 15 ml or Luna Experience, 10 ml. Thus, after removing the affected parts, the treatments with the mentioned fungicides can be alternated. More precisely, if the first treatment is done with Dagonis, after 7-10 days Luna Experience will be applied.

      #159707
      0 Wish green leaves
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      Andreas
      18 April 2022

      Ok. Which other products are effective against this desease? Topas 100 or Topsin 70?

      #159709
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      Armurospecialist
      18 April 2022

      Unfortunately, we have no information about the efficacy of the active substances of Topas or Topsin fungicides in combating pear rust. The literature regarding this disease mentions active substances such as difenoconazole, tebuconazole or myclobutanil.

      #159711
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