In this article we will discuss about:- 1. Definition of Seed Dormancy 2. Reasons of Seed Dormancy 3. Natural Breaking 4. Artificial Breaking 5. Importance. Definition of Seed Dormancy: Seed dormancy or rest is the innate inhibition of germination of a viable seed even placed in most favourable environment for germination. Bewlay and Black (1994) have divided seed dormancy into [...]
In this article we will discuss about:- 1. History of Abscisic Acid 2. Functions of Abscisic Acid 3. Uses. History of Abscisic Acid: It is also called stress hormone because the production of hormone is stimulated by drought, water logging and other adverse environmental conditions. Abscisic acid is known as dormin as it induces dormancy in buds, underground stems and [...]
In this article we will discuss about:- 1. History of Cytokinins 2. Bioassay of Cytokinins 3. Functions 4. Uses. History of Cytokinins: They are plant growth hormones which are basic in nature, either amino purine or phenyl urea derivatives, that promote cytokinesis (= cell division) either alone or in conjunction with auxin. Skoog and co-workers found that callus from intermodal [...]