Yoo Jin-Sung, Ban Jae-Ho, Choi Ji-Eun, Kim Bong-Su, Kim Jun-Ran
Department of Plant Quarantine, Animal and Plant Quarantine Agency (APQA), Gimcheon 39660, Republic of Korea.
Insects. 2025 Apr 2;16(4):377. doi: 10.3390/insects16040377.
Since the use of methyl bromide has been prohibited globally because of environmental concerns, several alternative fumigants have been newly developed and applied to fresh products. However, single treatment with a methyl bromide alternative fumigant cannot completely replace methyl bromide treatment for some products because of issues associated with long treatment times and phytotoxicity. In this study, we compared the mortality of two agricultural pests, and , after single treatment with methyl bromide and combined application of methyl bromide and cold treatment to confirm the synergistic effects of chemical and physical treatments. The combined application of methyl bromide and cold treatment was effective against the nymph and adult stages of , but no synergism was observed at the egg stage. For , the required dosage of methyl bromide decreased when methyl bromide treatment was followed by low temperature, possibly because of the susceptibility of to cold treatment. These results indicate that the synergism of fumigants with cold treatment can differ by pest species and growth stage, and further studies on other pests are needed to reduce methyl bromide usage.
由于对环境问题的担忧，全球已禁止使用甲基溴，因此新开发了几种替代熏蒸剂并应用于新鲜产品。然而，由于与处理时间长和植物毒性相关的问题，对于某些产品，单一使用甲基溴替代熏蒸剂不能完全取代甲基溴处理。在本研究中，我们比较了两种农业害虫在单一使用甲基溴处理以及甲基溴与冷处理联合应用后的死亡率，以确认化学和物理处理的协同效应。甲基溴与冷处理联合应用对该害虫的若虫和成虫阶段有效，但在卵阶段未观察到协同作用。对于另一种害虫，在甲基溴处理后进行低温处理时，所需的甲基溴剂量减少，这可能是因为该害虫对冷处理敏感。这些结果表明，熏蒸剂与冷处理的协同作用可能因害虫种类和生长阶段而异，需要对其他害虫进行进一步研究以减少甲基溴的使用。
