2,4-Dichlorophenoxyacetic Acid

- Overview
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    Background
    
    2,4-Dichlorophenoxyacetic acid mimics the action of auxin, and when used as a herbicide, results in uncontrolled growth and eventually death in susceptible plants. It is commonly used in plant tissue culture as a plant growth regulator.
- Properties
  - CAS Number
    
    94-75-7
    
    Molecular Formula
    
    C8H6Cl2O3
    
    Molecular Weight
    
    221.04
    
    Appearance
    
    Light yellow or white powder
    
    Solubility
    
    Soluble in organic solvents. Practically insoluble in water.
    
    Storage
    
    <30°C
    
    * For research use only
- Applications
  - Application Description
    
    Plant Biology Applications: 2,4-D is the most commonly used plant growth regulator in cereal tissue culture. In mature wheat (Triticum aestivum L), 2,4-D was used to induce callus from seeds at an optimal concentration of 3.5 mg/L (Malik et al, 2004).
    2,4-D was used in switchgrass (Panicum virgatum L.) tissue culture to induce callus initiation and regeneration of plantlets from mature caryopses and young seedlings. Best results from mature caryopses were obtained with 11.3-45 µM 2,4-D in combination with 15 or 45 µM benzyladenine (Denchev and Conger, 1995).