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 Gibberellins 2. Bioassay of Gibberellins 3. Functions 4. Uses. History of Gibberellins: The effect of gibberellins had been known in Japan since early 1800 where certain rice plants were found to suffer from bakane or bakanae (foolish seedling) disease. Such rice plants were thin, pale green, spindle shaped, longer by [...]
In this article we will discuss about:- 1. History of Ethylene 2. Functions of Ethylene 3. Uses. History of Ethylene: It is a gaseous hormone which stimulates transverse or isodiametric growth but retards the longitudinal one. Businessmen dealing with storing and shipping of fruits had known quite early that a rotten or ripe fruit could trigger early ripening of other [...]