Some Physical Properties of Triploid Watermelon Seed

In order to improve the germination via physical method, the physical properties of triploid watermelon seed were measured. Watermelon seeds of three varieties, Heiniu, Mihong and Huapi, at the moisture content of 7.02, 6.55 & 6.75 % (w.b.), were selected to study the physical properties using standard methods, respectively. Experimental results obtained the physical properties´ parameters, length, width, thickness, arithmetic mean diameter, geometric mean diameter, sphericity, surface area, volume, true and bulk densities, porosity, repose angles and static coefficient of friction of the three varieties´ seeds. It is concluded that this study results supply a gap of the physical properties of triploid watermelon seeds in the world and provides with useful data to design processing machine for triploid watermelon seeds germination and seeding.