Different types of plant diseases

Question 1

Name a disease that is caused by a virus.

Answer 1

Tobacco mosaic virus

Question 2

Name a disease that is caused by a fungus.

Answer 2

Rose black spots

Question 3

Describe rose black spots?

Answer 3

Causes purple or black spots to develop on leaves. The leaves then turn yellow and fall off. This means that less photosynthesis can happen so the plant doesn’t grow. It spreads through water or by wind. Fungicide can be used or stripping the plant of the infected leaves.

Question 4

Describe tobacco mosaic virus?

Answer 4

Causes a mosaic pattern on the leaves of the plants - part of the leaves becomes discolored. The discoloration means that the plant can’t carry out photosynthesis very well.