ABSTRACT The research entitled "The Effect of Concentrations and Seedling Soaking Duration in Colchicine (C222506) Solution to the Yield of Garlic (Allium sativum L.) Gomloh Variety at Upland Plain", was conducted to know the effect of concentrations and seedling soeking duration in colchicine solation to the yild of garlic Gomloh variety at upland plein. This research started from 2…