Grapes are a sensitive crop, often suffering from infections and pests. To prevent reduced yield or plant death, winegrowers must be able to quickly recognize the symptoms of any given problem and begin treatment immediately. How can you distinguish true powdery mildew from downy mildew? Which fungicides are suitable for preventing fungal infections, and which are best for treating existing infections? What should you do if your vine is infested with spider mites? What are the dangers of phylloxera? How can you protect ripe berries from wasps and hornets? Read the materials in this section to learn how to protect your vineyard.
What to do and why grapes are turning black and drying out. Main causes and common illnesses. Treatment and prevention methods.