Downy Mildew

Question 1

Oospores

Answer 1

Sexual structures of downy mildew
Over winter in the soil
Less susceptible to fungicide and environmental conditions(larger cell wall)

Question 2

Primary infection requirements

Answer 2

• Soil needs to be wet for 16hrs (overnight)
• 10 degrees celcius (8.5 in the hills)
• 10mm of rain
• 24hrs