A Review of Hormone: AUXIN

Terrestrial Plants are immobile and cannot move away from environmental stress condition and that can negatively affect their growth and development. As a result they have to develop various biochemical and physiological mechanism to respond and adapt to these stress condition. Plant hormones or phytohormones which are released inside plant which helps to overcome stress condition and for better growth of plants, plants hormones are various types. IAA, IBA, 2, 4D, NAA etc are the types of auxins and cell elongation, initiation of root in callus during plant tissue culture etc. are the functions of auxin.