A field experiment was carried out during Rabi 2018-19 at College of Horticulture, Mudigere, University of Agricultural and Horticultural Sciences, Shivamogga (Karnataka) to study the influence of bioregulators on growth, tuber yield and quality parameters of sweet potato. The experiment consisted of thirteen treatments such as two concentrations of bioregulators sprayed at three frequencies (first, second and third spray at 30, 60 and 90 days after planting) and untreated control. Each treatment was replicated thrice in randomized complete block design (RCBD). | Effect of bioregulators on growth, tuber yield and quality of sweet potato (Ipomoea batatas (L) Lam.) under hill zone of Karnataka, India