An experiment was conducted during the autumn and spring seasons of 1991-93 and 1993-94 to study the effect of 4 growth-regulators, viz. NAA (Planofix), kinetin (Biozyme crop plus) and triacontanol (Vipul and Miraculan). The growth-regulators significantly increased growth attributes like leaf-area index, crop-growth rate and net assimilation rate. However, Planofix gave the highest leaf-area index and crop-growth rate in mulberry (Morus alba L.) during both the years.