In this article we will discuss about:- 1. Meaning of Plant Growth Regulators (PGRs) 2. Characteristics of Plant Growth Regulators 3. Functions 4. Discovery. Meaning of Plant Growth Regulators (PGRs): Plants produce some specific chemical substances, which are capable of moving from one organ to the other, and provide physiological control on growth. These substances, which are active in very [...]
The following points highlight the two main types of movements exhibited by plant organs. The types are: 1. Growth Movements 2. Turgor Movements. Movement by Plant Organs: Type # 1. Growth Movements: Growth movements are divided into three sub-groups: (a) Tropic movements occur in response to always related to the direction of the stimulus. (b) Nastic movements in which the [...]
The following points highlight the top six types of plant growth regulator. The types are: 1. Auxins 2. Gibberellins 3. Cytokinins 4. Abscisic Acid (ABA) 5. Ethylene 6. Vitamins. Plant Growth Regulator: Type # 1. Auxins: Auxin is a group of hormone produced by the apical apices of stem and roots which migrate from the apex to the zone of [...]