Question

Which of the following microorganisms can cause diseases in plants?

• A. Intercropping
• B. Mixed cropping
• C. Crop rotation
• D. None of these

Answer 1

Answer: (A), (B), (C)

The correct options are
A

Intercropping

B

Mixed cropping

C

Crop rotation

Diseases in plants can be caused by fungi, bacteria and viruses. Wheat rust is fungal in origin, yellow vein mosaic of okra is caused by a virus. Citrus canker is a disease affecting citrus species caused by the bacterium Xanthomonas axonopodis.