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首页> 外文期刊>Journal of Nematology, with Annual of Applied Nematology >Mortality and behavior in Heterodera glycines juveniles following exposure to isothiocyanate compounds
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Mortality and behavior in Heterodera glycines juveniles following exposure to isothiocyanate compounds

机译：暴露于异硫氰酸酯化合物的杂藻甘氨酸幼虫的死亡率和行为

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摘要

For this report, we examined the toxic effects of three plant-derived isothiocyanate compounds on second-stage juveniles (J2) of Heterodera glycines. We found significant differences among compounds in the concentration required to affect nematodes, according to mortality and behavioral measurements. The concentrations required to affect behavior were significantly lower than those required for mortality. Both mortality and behavioral measurements were used to investigate whether nematodes in a quiescent state display decreased sensitivity to isothiocyanates compared with actively moving nematodes. Mortality measurements revealed that quiescent nematodes were significantly less sensitive to isothiocyanates than active nematodes. All behavioral measurements following exposure to benzyl- and phenyl isothiocyanate showed significant differences in sensitivity between quiescent and active nematodes. However, significant differences between quiescent and active nematodes were observed in only one of thefive behavioral measurements following exposure to allyl isothiocyanate. These results expand the list of plant-derived compounds toxic to H. glycines and illustrate the impact of behavioral quiescence on nematode sensitivity to exogenous toxins.
机译：对于本报告，我们研究了三种植物来源的异硫氰酸酯化合物对异型藻类甘氨酸第二阶段幼虫（J2）的毒性作用。根据死亡率和行为测量，我们发现影响线虫所需浓度的化合物之间存在显着差异。影响行为所需的浓度显着低于死亡率所需的浓度。死亡率和行为测量均用于调查处于静止状态的线虫与活动移动的线虫相比是否显示出对异硫氰酸盐的敏感性降低。死亡率测量表明，静态线虫对异硫氰酸酯的敏感性明显低于活性线虫。暴露于异硫氰酸苄基酯和苯基异硫氰酸酯后的所有行为测量均表明，静态线虫和活性线虫的敏感性均存在显着差异。然而，在暴露于异硫氰酸烯丙酯后的五个行为测量中，只有一个发现了静态和活动线虫之间的显着差异。这些结果扩大了对H.甘氨酸有毒的植物来源化合物的清单，并说明了行为静止对线虫对外源毒素敏感性的影响。

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