In this article we will discuss about:- 1. History of Auxins 2. Bioassay of Auxins 3. Functions 4. Uses. History of Auxins: Charles Darwin and his son Francis Darwin (1880) found that the sensation of unilateral illumination was picked up by the coleoptile tip of Canary Grass (Phalaris canarensis). A decapitated coleoptile did not receive the sensation. Coleoptile tip covered [...]
The upcoming discussion will update you about the differences between Macro-Elements and Micro-Elements. Difference # Macro-Elements: 1. They occur in plants in easily detectable quantities. 2. The concentration of a macro-element per gm. of dry matter is at least 1 mg or 1000 µg/gm. of the dry matter. 3. They build up the plant body and different protoplasmic constituents. 4. [...]
In this article we will discuss about:- 1. Definition of Vernalization 2. Site for Vernalization 3. Requirements 4. Mechanism 5. Importance. Definition of Vernalization: Many plants do not come to flower before they experience a low temperature. These plants remain vegetative during the warm season, receive low temperature during winter, grow further and then bear flowers and fruits. Requirement of [...]