Plant Growth Regulators

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Plant growth regulators:

  • Effect the plant on a physical and biological level
  1. Abscisic acid: Can effect bud growth and dormancy
  2. Auxins: Helps with growth of stems and roots
  3. Cytokinins: Reduce leaf senescence
  4. Ethylene: Ripen fruit
  5. Gibberellins: Help in plant growth

Effects of ethylene

external image banana_ripeningchart.jpg

Gibberellins effect on plants

external image fp.gif

http://www.ncsec.org/team8/default.htm

http://www.chemistry-blog.com/2011/10/12/fruit-ripening-how-does-it-work/

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