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首页> 外文期刊>Nematology >Low temperature survival of post-eclosion stages of the potato rot nematode Ditylenchus destructor Thorne (Tylenchida: Anguinidae).
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Low temperature survival of post-eclosion stages of the potato rot nematode Ditylenchus destructor Thorne (Tylenchida: Anguinidae).

机译:马铃薯腐烂线虫 Ditylenchus破坏者索恩(Tylenchida:Anguinidae)抽穗后阶段的低温存活。

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摘要

The potato rot nematode, Ditylenchus destructor, may experience extreme environmental stress caused by freezing temperatures when overwintering in the field. A series of laboratory experiments were conducted in order to clarify overwintering strategies of the nematode. The current study aimed to examine the cold tolerance of this species in various aqueous environments as well as in plant tissues in order to determine its ability to survive 24 h exposure to subzero temperatures. Cold tolerance of adults and fourth-stage juveniles was significantly lower than that of younger juveniles. The lower lethal temperature of adults was -15 degrees C. Although external ice formation affects all life stages, a few second-stage juveniles were able to survive temperatures as low as -30 degrees C. The results expand the current understanding of freezing survival in the potato rot nematode and will lead to better comprehension of its ability to withstand subzero temperature conditions.Digital Object Identifier http://dx.doi.org/10.1163/138855411X571812
机译:田间越冬时,马铃薯腐烂线虫 Ditylenchus破坏物可能会遇到由冻结温度引起的极端环境压力。为了阐明线虫的越冬策略,进行了一系列实验室实验。当前的研究旨在检查该物种在各种水性环境以及植物组织中的耐寒性,以确定其在零度以下温度下24小时生存的能力。成人和第四阶段青少年的耐寒性明显低于年轻青少年。成人的较低致死温度为-15摄氏度。尽管外部结冰会影响所有生命阶段,但仍有一些第二阶段的幼虫能够在低至-30摄氏度的温度下生存。数字对象标识符http://dx.doi.org/10.1163/138855411X571812

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