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*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/ agricultural applications
see > plant movement