- Citrus Canker is caused by microscopic organisms: Citrus canker is a sickness influencing Citrus species categories caused by the bacterium Xanthomonas axopodia. Contamination causes sores on the leaves, stems, and product of citrus trees, including lime, oranges, and grapefruit.
- Rust of Wheat caused by Fungus: Wheat leaf rust is a parasitic infection that influences wheat, grain and rye stems, leaves, and grains. In mild zones, it is ruinous of winter wheat in light of the fact that the pathogen overwinters.
- Anthrax Bacterium: Bacillus anthracis is the etiologic specialist of Bacillus anthrax—a typical malady of livestock animals and, once in a while, of human—and the main obligate pathogen inside the genus Bacillus.
- Foot-and-mouth infection by the virus is an extreme, exceptionally infectious viral ailment. The infection causes disease in dairy animals, pigs, sheep, goats, deer, and different creatures with partitioned hooves.