Effect of Indole Acetic Acid (IAA) on Yield and Yield Contributing Parameters of Soybean

Abstract

The study revealed that maximum biological yield, grain yield and minimum days taken to seed filling were observed at 10 ppm concentration. Seed weight, number of seed per plant and number of nodules per plant were not significantly affected by various concentrations. Maximum number of seeds/plant, biological yield and grain yield were produced when IAA was applied at 15 days after emergence stage. Seed filling duration, seed weight and number of nodules per plant were not significantly affected by growth stages.