Plant Bacterial Diseases

On which plant does angular leaf spot NOT occur?

• Cucumbers

• Squash

• Melons

• Corn

Which of the following can be used to treat bacterial spot?

• Copper

• Sulphur

• Zinc

• Lime

Select the following which are prevention methods for bacterial blight.

• Prune regularly

• Provide space for air circulation

• Deep root systems

• Avoid handling plants when wet

• Use crop rotation

Which of the following commonly affects trees, such as elm, maple and walnut?

• Angular leaf spot

• Bacterial wilt

• Aster yellows

• Bacterial leaf scorch

Which of the following does NOT have a treatment method?

• Crown gall

• Fireblight

• Potato scab

• Galls

Which part of the plant is affected by crown gall?

• Leaves

• Thorns

• Roots

• Fruit

How does gall harm the plant?

• Wilts leaves

• Destroys fruit

• Removes fluids

• Causes no harm

When is potato scab usually noticed?

• Before planting

• During planting

• During growth

• After harvesting

Which of the following bacterial diseases is shown in the image?

• Fireblight

• Crown gall

• Gall

• Potato scab