Auxins, Biology

Auxins
  1. Auxins are plant growth substances. The term Auxin usually refers to a chemical compound called Indole Acetic Acid (IAA), which is the major natural auxin.
  2. In plants auxins are synthesized in meristematic and enlarging tissues.
  3. IAA promotes growth and elongation of stems, roots and enlargement of many fruits.
  4. Auxins are known to loosen the cellulose frame work of cell wall which will help in cell enlargement.
  5. Auxins promote cell division in vascular cambium.
  6. Auxins is also known to promote root initiation.
  7. Auxins is responsible for apical dominance.
  8. Auxins is also known to inhibit the abscission (detachment) of leaves and fruits.
  9. Auxins are also responsible for bending of plants in response to light (phototropism) and also to the gravity stimulus (geotropism)
  10. Auxin spray can prevent premature fruit drop.
Posted Date: 8/29/2012 4:54:17 AM | Location : United States







Related Discussions:- Auxins, Assignment Help, Ask Question on Auxins, Get Answer, Expert's Help, Auxins Discussions

Write discussion on Auxins
Your posts are moderated
Related Questions
Explain the Principle of Nelson-Somogyi Method? Glucose is estimated by Nelson-Somogyi method. We begin our study of this method by getting to know the principle involved in th

Convulsive Disorders Definition Convulsion is a series of forceful in voluntary contraction and relaxation of voluntary muscles due to disturbance of brain function. It i

Explain citric acid cycle In  the citric acid cycle, the oxaloacetate is first condensed with acetyl CoA, and  then regenerated  as  the cycle  is  comp!eted.  But these  react

Leptontene: The chromosomes becomes visible, shorten and thick. The size of the nucleus increase. The homologous chromosomes start getting closer to each other. Z

Define the objectives in the biochemistry of the eye. After going by this section, you should be familiar with: a. Dynamic of vascular supply of eye; b. The cornea metabo

Phosphodiesterase Inhibitors and Other Agents Amrinone and Milrinone are prototypes of type III PDE inhibitors. They decrease the breakdown of cyclic AMP in the myocardium and i

Explain about the Herbal of Valerius Cordus? The Herbal of Valerius Cordus published posthumously in 1561; contained not only medicinal plants found in Germany and Italy, but

Q Why in few cases is mitosis a synonym of reproduction? In some living beings asexual reproduction occurs by many means binary division, budding, grafting, schizogony, etc. In

In what ways has biotechnology changed agriculture in the United States? Select all that apply. the development of herbicide-resistant crops the disappearance of wild plant populat

Issues to be addressed by counsellor while counselling a diabetic patient The following issues should also be addressed while counselling a diabetic patient and their family me