Department of Plant Physiology, Himachal Pradesh Krishi Vishwavidalya, Palampur - 176 062, India.
Experiments were conclucted to study the effect of growth regulators (GA3 and IMM) on germination, growth and yield of kuth. Seed soaking treatments of GA3 and IM stimulated germination per cent, plant height, leaves per plant, root length, fresh and dry weight of roots. Maximum increase was obtained in all these traits at 200 ppm of GA3 and 300 ppm of IM. Comparing two growth regulators, GA3 was found to be significantly superior to improve root and shoot growth, while IM was effective in promoting fresh and dry weight of roots in kuth which is of economic importance.