Applications of cold atmospheric plasmas (CAPs) in agriculture: a brief review and the novel development of a radio-frequency CAP jet generator for plant mutation

突变 大气压等离子体 突变 等离子体 喷射(流体) 诱变育种 介质阻挡放电 突变频率 环境科学 材料科学 园艺 化学 植物 生物 物理 生物化学 机械 量子力学 基因 突变体
作者
He‐Ping Li,Jing Li,Xiting Zhao,Liyan Wang,Chuan Fang,Nan Su,Chong Zhang,Yan Xu,Meng Lv,Mingjun Li,Xin‐Hui Xing
出处
期刊:Plasma Science & Technology [IOP Publishing]
卷期号:24 (9): 093001-093001 被引量:7
标识
DOI:10.1088/2058-6272/ac67be
摘要

Abstract Cold atmospheric plasmas (CAPs) have shown great applicability in agriculture. Many kinds of CAP sources have been studied in agricultural applications to promote plant growth and cure plant diseases. We briefly review the state-of-the-art stimulating effects of atmospheric-pressure dielectric-barrier-discharge (AP-DBD) plasmas, after the direct or indirect treatment of plants for growth promotion and disease control. We then discuss the special demands on the characteristics of the CAP sources for their applications in plant mutation breeding. An atmospheric and room temperature plasma (ARTP) jet generator with a large plasma irradiation area, a high enough concentration of chemically reactive species and a low gas temperature is designed for direct plant mutagenesis. Experimental measurements of the electrical, thermal and optical features of the ARTP generator are conducted. Then, an ARTP-P (ARTP for plant mutagenesis) mutation breeding machine is developed, and a typical case of plant mutation breeding by the ARTP-P mutation machine is presented using Coreopsis tinctoria Nutt. seeds. Physical and agricultural experiments show that the newly-developed ARTP-P mutation breeding machine with a large irradiation area can generate uniform CAP jets with high concentrations of chemically reactive species and mild gas temperatures, and have significant mutagenesis effects on the Coreopsis tinctoria Nutt. seeds. The ARTP-P mutation breeding machine may provide a platform for systematic studies on mutation mechanisms and results for various plant seeds under different operating conditions in future research.
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