Fourth Post-bloom Spray Growth Stage Product (rate/A) FRAC Code Relative cost Target Diseases (per acre/application) Fourth Captan 50 W (3-4 lb)* M $ DM spray or (10-14 days after Phosphorous acid 33 $ the last spray) or Revus (8 fl oz) 40 $$$ or Presidio (3-4 fl oz) 43 $$$ or Ranman (2.1-2.75 fl oz) 21 $$ or Forum (6 oz) 40 $ or Zampro (11-14 fl oz) 45 + 40 $$$ PLUS Elite 45 DF (4 oz) 3 $ PM or Rally (4 oz) 3 $ or Inspire Super (16-20 fl oz) 3+9 $$$$ or Mettle (3-5 fl oz) 3 $ or Torino 0.85F (3.4 fl oz) U6 $$ or Endura 70 WG (4.5 oz) 7 $$ or Vivando 2.5 F (10.3-15.4 fl U8 $$$$ oz) or M $ Sulfur* or 13 $ Quintec 2.08F (3-4 fl oz) or - - Potassium salts OR USED ALONE M $ DM, PM Fixed copper*and ** or 3+40 $ Top 2.08 F (7 oz) * Do not apply Captan, sulfur or copper fungicides within 30 days of harvest or the fermentation process may be adversely affected. ** If dry weather persists and the risk of downy mildew is low, fixed copper will provide good control of both downy and powdery mildew. Fifth Post-bloom Spray
Fourth Post-bloom Spray Growth Stage Product (rate/A) FRAC Code Relative cost (per acre/application) Target Diseases Fourth spray (10-14 days after the last spray) Captan 50 W (3-4 lb)* or Phosphorous acid or Revus (8 fl oz) or Presidio (3-4 fl oz) or Ranman (2.1-2.75 fl oz) or Forum (6 oz) or Zampro (11-14 fl oz) PLUS Elite 45 DF (4 oz) or Rally (4 oz) or Inspire Super (16-20 fl oz) or Mettle (3-5 fl oz) or Torino 0.85F (3.4 fl oz) or Endura 70 WG (4.5 oz) or Vivando 2.5 F (10.3-15.4 fl oz) or Sulfur* or Quintec 2.08F (3-4 fl oz) or Potassium salts OR USED ALONE Fixed copper*and ** or Top 2.08 F (7 oz) M 33 40 43 21 40 45 + 40 3 3 3+9 3 U6 7 U8 M 13 - M 3+40 $ $ $$$ $$$ $$ $ $$$ $ $ $$$$ $ $$ $$ $$$$ $ $ - $ $ DM PM DM, PM * Do not apply Captan, sulfur or copper fungicides within 30 days of harvest or the fermentation process may be adversely affected. ** If dry weather persists and the risk of downy mildew is low, fixed copper will provide good control of both downy and powdery mildew. Fifth Post-bloom Spray
2017-Grape-Fungicide-Spray-Guide-FINAL-12matmm.docx