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0 Wish green leavesGrapevine, fan-shaped leavesI sprayed a week ago with Universalis and Vertimec.Read Specialist's adviceGreen leaves
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Hello,
I planted this grapevine at the end of May 2023 and I noticed the spots in September.
I would like you to recommend a treatment, if possible.
Respectfully,
Hello! The symptoms in the pictures are similar to those caused by several pathogens, but an exact identification of the condition requires a laboratory analysis.
Considering the period we are in, it is recommended to carry out treatments specific to dormancy (Winter treatments with oils and copper-based products) with fungicides and horticultural oil. In spring (before bud break), apply a treatment with a copper fungicide such as Coppermax, 30 g (in a dose of 20 g/ 10 l water), followed by a horticultural oil treatment such as Estiuoil, 100 ml or Mospilan Oil 20 SG 10, 3 g + 50 ml (10-14 days after fungicide treatment). The treatments should be applied on dry bark, not covered by ice, snow or frost, on days with positive temperatures, preferably minimum 5-6°C. The solution should be sprayed as finely and evenly as possible over the entire plant surface.
Before the treatments are carried out, work such as the removal of affected vines, dry leaves, moss and lichens (which can harbor hibernating insects, larvae and eggs) is carried out. All products are applied according to the information on their label.
More information and care tips can be found in our articles: Vineyard - Fertilization and Irrigation, Vineyard - Plantation establishment and care guide.
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