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Effect of moisture content on physical properties of aged okra(Abelmoschus esculentus) seeds

机译：水分含量对秋葵黄秋葵种子物理特性的影响

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摘要

This particular research investigation was conducted to determine selected moisture dependent physical properties of okra seed lots. Three different okra seeds lots based on their moisture content (10.98 to 16.89% d.b) and germination (80 to 50%) waschosen in this study. Average geometrical mean diameter and sphericity were in the range of 4.731 to 5.019 mm and 0.896 to 0.914, respectively. Bulk density and true density decreased from 0.622 to 0.604 g/cm' and 1.138 to 1.126 g/cm' respectively with the increase in moisture content from 10.98 to 16.89 % d.b. Porosity and angle of repose was found increasing from 45.34 to 46.35% and 24 to 29°, respectively with moisture content. Coefficient of static friction (plywood, mild steel and cast iron) increased linearly with moisture content from 0.3979 to 0.4327, 0.3878 to 0.4203 and 0.362 to 0.3959, respectively for all the three materials used. Mean peak compressive force decreased linearly from 93.70 to 81.72 N with the increase in moisture content. Terminal velocity was positively correlated with moisture content and increased from 9.2 to 9.8 m/s for the different seed lots. Outcome of this particular study were found supportive in designing seed priming prototype suitable for priming purpose of selected vegetable seeds.
机译：进行了这项特殊的研究调查，以确定黄秋葵种子批次的选定水分依赖性物理特性。在本研究中，根据水分含量（10.98％至16.89％d.b）和发芽率（80％至50％）选择了三种不同的秋葵种子。平均几何平均直径和球形度分别在4.731至5.019mm和0.896至0.914的范围内。体积密度和真实密度分别从0.622降低至0.604 g / cm'和从1.138降低至1.126 g / cm'，水分含量从10.98％d.b.增加。发现孔隙率和休止角随水分含量分别从45.34％增加到46.35％和从24°增加到29°。所使用的所有三种材料的静摩擦系数（胶合板，低碳钢和铸铁）随含水量分别从0.3979到0.4327、0.3878到0.4203和0.362到0.3959线性增加。随着水分含量的增加，平均峰值压缩力从93.70 N线性降低至81.72N。终极速度与水分含量呈正相关，并且不同种子批次的终极速度从9.2 m / s增加到9.8 m / s。发现该特定研究的结果在设计适合于所选蔬菜种子的初生目的的种子初生原型的设计中是有帮助的。

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