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Effects of Plasma Treatment on the Germination and Development of Soybeans

机译：等离子体处理对大豆发芽和发育的影响

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In order to meet the growing food supply needs for current world population growth rate, advancements in agriculture are required. Plasma treatment of seeds has shown promise in terms of increased seed storability and yield once planted. The plasma treatment of soybeans has the potential to make a significant socio-economic impact. The atmospheric pressure plasma, produced creates reactive oxygen species (ROS) that have a biological influence. Preliminary results have shown that this affects water absorption and root development, among other physiological traits. Characterization of these reactions and their effects are investigated using a 2dimensional apparatus that involves a fast-camera and spectroscopy setup. This allows optical investigation by slicing the packed bed into a “layer.” This layer eliminates the overlaying emissions that prevent such analysis. The discharge was formed using a varying nanosecond pulsed discharge, an AC power supply, and dry air or argon gas in order to control and compare the various ROS species populations formed within the different plasma types. To assess germination and development of the soybeans, data collection and analysis of percent germination, root dry weight, fresh root length, and fresh above root length were collected. An overarching goal of this work is to obtain a better understanding of agricultural applications of plasma treatment and the fundamental plasma-physical interactions involving organic material.
机译：为了满足当前世界人口增长率的不断增长的粮食供应需求，需要农业发展。种子的等离子处理在种植后提高了种子的可贮藏性和产量方面显示出了希望。大豆的等离子体处理有可能产生重大的社会经济影响。产生的大气压等离子体会产生具有生物影响力的活性氧（ROS）。初步结果表明，这会影响水分吸收和根系发育以及其他生理性状。使用涉及快速相机和光谱学设置的二维设备研究了这些反应的特征及其影响。通过将填充床切成“层”，可以进行光学检查。该层消除了阻止此类分析的重叠发射。使用变化的纳秒脉冲放电，交流电源以及干燥的空气或氩气形成放电，以便控制和比较在不同等离子体类型内形成的各种ROS物种种群。为了评估大豆的发芽和发育，需要收集数据并分析发芽百分率，根干重，鲜根长度和鲜根以上的长度。这项工作的总体目标是更好地了解等离子处理的农业应用以及涉及有机材料的基本等离子与物理的相互作用。

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