Working Document Series Open Access Mass propagation of selected papaya planting materials through shoot tip culture in Kenya A.W. Kihurani · E.G. Mamati · N.N. Mumo · F.K.R. Wanzala The objective of this study was to optimise media conditions in order to develop an efficient plantlet regeneration system of papaya planting materials. Twelve combinations of different levels of BAP (0.1, 0.3, 0.5 & 0.7mg/L) and NAA (… RUF-32525 2012 CC BY 4.0 17 May 2014