Hazards Flashcards
What are 4 pests for vines?
- Phylloxera
- Nematodes
- Birds/Mammals
- Insects
How can the virus phylloxera be resolved?
Use rootstocks
How can nematodes be removed?
Prevention is required
How can you prevent birds/mammals damaging grapes?
Nets
How can you prevent insects feeding on grapes?
Pesticides
What are 2 diseases that affect vines?
- Downy & powdery mildew
2. Grey Rot
Where do you find downy & powdery mildew?
Warm, humid areas
What part of the vines does downy & powdery mildew attack?
Green parts
What happens to the grape with downy & powdery mildew?
It loses flavour & tastes bitter
Where do you find grey rot?
Damp conditions
What happens to the grape with grey rot (negative)?
Taint & colour loss
What spray can you use against mildew/rot?
Sulphur & copper spray
What else can you do to prevent grey rot?
Canopy management to improve air circulation
How are viruses spread amongst vines?
Cuttings & nematodes
How are bacterial diseases spread amongst vines?
Sharpshooters