Question

Which of the following can only cause diseases in plants. *

Answer 1

Answer: infectious plant diseases are caused by pathogens, living microorganisms that infect a plant and deprive it of nutrients. Bacteria, fungi, nematodes, mycoplasmas, viruses and viroids are the living agents that cause plant diseases.

Explanation:

Irresistible plant ailments are brought about by pathogens, living microorganisms that taint a plant and deny it of supplements. Microorganisms, parasites, nematodes, mycoplasmas, infections and viroids are the living specialists that cause plant maladies.

Answer 2

Pathogens I think. It may be incorrect but if I remember correctly it is.