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首页> 外文期刊>植物防疫所調查研究報告 >Susceptibility of Four Stored Grain Insects to Methyl Iodide
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Susceptibility of Four Stored Grain Insects to Methyl Iodide

机译：四种储存的昆虫对碘甲烷的敏感性

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摘要

Susceptibility for developmental stages of Sitophilus granarius L. Sitophilus zea-mais MOTSCHULSKY, Tribolium confusum JAQUELIN DO VAL, and Plodia interpunctella HUBNER to methyl iodide (MI) was investigated. Fumigation tests were conducted with lessthan 0.004 (w/v) loading for 6 hours at 15°C. The egg was the most susceptible among the stages of each species. The least susceptible stages for each of S. granarius, S. zeamais, T. confusum, and P. interpunctella, at 50% mortality, were the adult, thedult, the pupa, and the larva, and their LD_(50)S were 3.4 g/m~3, 2.5 g/m~3, 4.8 g/m~3, and 2.8 g/m~3, respectively. Among all four species, the least susceptible stage, at 50% mortality, was the pupa of T. confusum, and same result was obtained at 95%mortality. These results indicate that the most tolerant stage, among the stages of the four species, to MI is the pupa of T. confusum, and that a fumigation standard obtaining complete mortality for the stage would be applicable for many stored grain insects.
机译：研究了Sitophilus granarius L. Sitophilus zea-mais MOTSCHULSKY，Tribolium confusum JAQUELIN DO VAL和Plodia interpunctella HUBNER对甲基碘（MI）发育阶段的敏感性。在15°C下以小于0.004（w / v）的负载进行熏蒸测试6小时。在每个物种的阶段中，卵是最易感的。沙门氏链球菌，玉米赤霉菌，共生链霉菌和点状对虾间链球菌的最不敏感阶段，即成年期，成年期、,和幼虫，其LD_（50）S分别为成年，成年期，d和幼虫。分别为3.4 g / m〜3、2.5 g / m〜3、4.8 g / m〜3和2.8 g / m〜3。在所有四个物种中，死亡率为50％的最不敏感阶段是尖吻鲈，而死亡率为95％时获得了相同的结果。这些结果表明，在这四个物种的阶段中，对MI的耐受性最强的阶段是confusum的the，并且该阶段获得完全死亡的熏蒸标准可用于许多储存的谷类昆虫。

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