IAA CAS:6505-45-9 Manufacturer Supplier

IAA is a plant growth regulator. It induces cell division and cell elongation that promotes plant growth.In high concentrations inhibition, in small concentrations promotion of longitudinal cell growth and the related water absorption of the cells.IAA auxin causes a fairly rapid increase in the cell wall extensibility in coleoptiles and young stems.Promotion of root formation even on tissues which do normally form roots,but inhibition of growth, except in smallest concentrations.