Aliphatic Esters of 3-Indoleacetic Acid. Prepara- tion and Activity in Parthenocarpic Fruit Induc- tion'J BY LOWELL E. WELLER, SYL.VAN H. WITTWER AND HAROLD M. SELL RECEIVED FEBRUARY 14, 1955 The isolation and discovery of the unique plant growth regulating properties of heteroauxin soon led to various methods of biological assay. Such tests made it possible to compare other compounds, possessing biological properties similar to 3-indole- acetic ...