Based on causal agents Infectious or biotic plant diseases. Non infectious or abiotic plant diseases or physiological disorder. A. Infectious diseases A disease that is caused by pathogens which can spread from a diseased to a healthy plant. They are caused by animate factors. Viral disease: Witches broom. Bacterial disease: …

This series includes the difference table between Habitat and Niche Autochthonous and Allochthonous Neuston and Pleuston Extremophile and Extremozyme Habitat Niche A habitat is an ecological or and environmental area that is inhabited by a particular animal, plant or other types of organisms. A niche is a term describing the …

The Winogradsky column is a simple device for culturing a large diversity of microorganisms. Invented in the 1880s by Sergei Winogradsky, the device is a column of pond mud and water mixed with a carbon source such as newspaper (containing cellulose), blackened marshmallows or egg-shells (containing calcium carbonate), and a …