The below mentioned article provides study notes on Imbibition. The absorption of water by the solid particles of an adsorbent causing it to enormously increase in volume without forming a solution is called imbibition. Solid substances or adsorbents which take part in imbibition are called imbibants, e.g., seeds, dry wood. The liquid (usually water) which is imbibed is known as [...]
In this article we will discuss about:- 1. Introduction to Lichens 2. Classification of Lichens 3. Features 4. Nature of the Association (Physiology) 5. Habitat 6. Distribution 7. Ecological Importance. Introduction to Lichens: The lichens are a small group of curious plants with about 18,000 species. We call them curious because they are composite or dual organisms. For a long [...]
In this article we will discuss about the classification of plant diseases. I. Non-Parasitic or Abiotic Diseases: These are induced by unfavourable environmental conditions of soil or air such as mineral deficiencies or excesses in the soil, low or high temperatures, improper water, oxygen and light relations. The non-parasitic diseases may also be caused by mechanical injuries. Common examples of [...]