BOTANY

Detailed explanation-1: -The plant pathogens comprise viruses, bacteria, fungi, nematode, and parasitic plant.

Detailed explanation-2: -Plant pathogens are very similar to those that cause disease in humans and animals. Fungi, fungal-like organisms, bacteria, phytoplasmas, viruses, viroids, nematodes and parasitic higher plants are all plant pathogens.

Detailed explanation-3: -The most common plant pathogens are fungi, bacteria, mollicutes, parasitic higher plants, parasitic green algae, nematodes, protozoa, viruses, and viroids.