Where on a plant would you expect to see the first signs of powdery mildew?
Powdery-mildew-B.jpg
  • Growing tips
  • Upper leaves
  • Lower leaves
  • Base of the stem
The curse of rose growers is rose Black Spot but do you know what type of organism it is caused by?
Rose-black-spot-B.jpg
  • Bacteria
  • Fungus
  • Oomycete
  • Virus
What organism causes the type of die-back of a tree's branches known as canker?
Canker-B.jpg
  • Bacteria
  • Fungi
  • Virus
  • All of the above
These roots are infected with the disease known as clubroot. Which group of plants are most often affected?
Clubroot-B.jpg
  • Brassicas
  • Herbaceous plants
  • Top fruit
  • Soft fruit
Between which two countries has animosity been created because of fireblight?
Fireblight-B.jpg
  • Australia and New Zealand
  • China and the USA
  • England and France
  • Spain and Portugal
What is the name given to the group of fungi that create leaf disfiguration similar to that seen below?
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  • Plant blemish
  • Plant freckle
  • Plant rust
  • Plant spot
Potato blight was responsible for the greatest farming tragedy in the history of the British Isles. How many people are estimated to have died during the Irish Potato Famine in the mid 1800s?
Potato-blight-B.jpg
  • One thousand
  • Ten thousand
  • One hundred thousand
  • One million
Pythium (as seen in the picture below) is one of a number of diseases that cause the sudden collapse of seedlings often referred to as 'damping off'. Which of the diseases below is NOT a cause of damping off?
Pythium-B.jpg
  • Botulism
  • Fusarium
  • Phytophthora
  • Rhizoctonia
This is Botrytis cinerea. What is its usual name in the gardening world?
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  • Grey disease
  • Grey mildew
  • Grey mould
  • Grey rot
This attractive looking fungus is a deadly threat to gardeners. What is its name?
Honey-fungus-B.jpg
  • Beeswax fungus
  • Honey fungus
  • Sugar fungus
  • Syrup fungus
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