Abstract
Abstract Alternative insect pest control methods are necessary for efficient pest management with reduced dependency on pesticides. Here, we report the biological responses of several insect species to, and the insecticidal efficacy of, reactive oxygen species (ROS) generated using atmospheric-pressure plasma jets. Plasma-based organism evaluation equipment (PBOEE) consisting of a plasma-generating acrylic chamber, plasma-maintaining acrylic chamber, and plasma efficacy evaluation container was developed. The PBOEE system enabled determination of the insecticidal efficacy of ROS free from the adverse effects of high temperature; moreover, four different exposures could be achieved within one run. The biological responses of five major insect pests (Aphis gossypii, Bemisia tabaci, Helicoverpa armigera, Tetranychus kanzawai, and Thrips palmi) were assessed, with a focus on knockdown time, recovery time, and median lethal time (LT50). With short-term exposure (
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