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首页> 外文期刊>Journal of Nematology, with Annual of Applied Nematology >Susceptibility of the Adult Japanese Beetle, Popillia japonica to Entomopathogenic Nematodes
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Susceptibility of the Adult Japanese Beetle, Popillia japonica to Entomopathogenic Nematodes

机译：成年日本甲虫Popillia japonica对昆虫病原线虫的易感性

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摘要

To build upon prior research demonstrating the potential of entomopathogenic nematode dissemination by infected adult. Japanese beetle, Popillia japonica, we evaluated susceptibility of the adult beetles to 20 strains of Steinernema and Heterorhabditis under laboratory conditions. The nematodes were applied at a rate of 10,000 infective juveniles per 10 adult beetles in 148 mL plastic cups containing autoclaved sand and sassafras leaves as a source of food for the beetles. All strains infected the beetles and caused 55% to 95% mortality. The most virulent strains that caused 50% beetle mortality in less than 5 days included a strain of H. georgiana (D61), three strains of Steinernema sp. (R54, R45, and FC48), and two strains of S. cmpocapsae (All and D60). The ability of two strains of Steineniona sp. (R45 and R54) and two strains of Heterorhabditis bacteriophora (D98 and CPS11) to infect and reproduce in the beetle was further examined to assess the potential of infected beetles to disseminate nematodes upon their death. All four strains infected and killed the beetles, but. only Steinernema strains reproduced in the cadavers. We conclude that both Heterorhabditis and Steinecnema strains are able to cause mortality to adult Japanese beetle, but Steinernema strains may be effectively disseminated due to their reproduction in the beetle.
机译：以先前的研究为基础，证明感染的成年人传播昆虫病原线虫的潜力。日本甲虫Popillia japonica，我们在实验室条件下评估了成年甲虫对20种Steinernema和Heterorhabditis的敏感性。将线虫以每10只成年甲虫10,000个感染性幼虫的比率施用到148 mL装有高压灭菌的沙子和叶作为甲虫食物来源的塑料杯中。所有菌株都感染了甲虫，并导致55％至95％的死亡率。在不到5天的时间内引起甲虫死亡50％的最强毒株包括乔治亚州嗜血杆菌（D61）和Steinernema sp。的三株。 （R54，R45和FC48）和两株荚膜链球菌（All和D60）。两株Steineniona sp。的能力。 （R45和R54）和两种在细菌中繁殖和繁殖的细菌性异种杆菌细菌（D98和CPS11）被评估，以评估被感染的甲虫死亡后散布线虫的潜力。四个菌株都感染并杀死了甲虫，但是。仅Steinernema菌株在尸体中繁殖。我们得出的结论是，杂种人和Steinecnema菌株都能够导致成年日本甲虫死亡，但是Steinernema菌株由于在甲虫中繁殖而可以有效传播。

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