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plant_biology [2008-05-27 13:58] – nik | plant_biology [2008-05-27 14:58] – nik | ||
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* hormones / growth regulators | * hormones / growth regulators | ||
+ | |||
+ | | **Hormone** | **Function** | **Location** | | ||
+ | | Auxins (IAA)* | stem elongation | apical dominanace | | ||
+ | | |root formation | produced in shoot | | ||
+ | | |apical meristem | | | ||
+ | | Cytokinins | cell division | produced in roots | | ||
+ | | | differentiation | | | ||
+ | | Gibberellins (GA)* | stem & internode elongation | produced in apical portion of root & shoot | | ||
+ | | | seed germination | | | ||
+ | | Ethylene* | abscission fruit ripening | produced in leaves, stems & young fruits | | ||
+ | | Abscisic Acid | supression of bud growth | | | ||
+ | | | stomatal opening | mature leaves, fruits & root caps | | ||
+ | | | leaf senescence | | | ||
+ | *most horticultural/ | ||
+ | |||
+ | via http:// | ||
==== movement ==== | ==== movement ==== |