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寒冷适应增强了Neoseiulus bicaudus (Acari:Phytoseiidae) 的耐寒性和储存能力

Si-Qiong Tang¹, Li Zuo¹, Jie Su¹

¹College of Agriculture/Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Xinjiang Uygur Autonomous Region, Shihezi University, Shihezi, China.

Journal of economic entomology

|October 10, 2025

概括

寒冷适应显著提高了捕食虫Neoseiulus bicaudus的寒冷耐受性和储存潜力. 这种生物防治剂在适应后可以有效储存30天,保持其质量和对害虫的有效性.

科学领域:

* 生物控制生物控制
* 昆虫学昆虫学
* 阿卡罗学 (Acarology) 是一个学科.

背景情况:

* 捕食虫Neoseiulus bicaudus是控制蜘蛛,白和虫等害虫的关键自然敌人.
*有效利用生物控制剂依赖于理解和优化其冷适应和储存技术.
*提高N. bicaudus的耐寒性可以提高其在综合性害虫防治策略中的应用.

研究的目的:

*评估寒冷适应对Neoseiulus bicaudus寒冷耐受性的影响.
* 开发和评估N. bicaudus的冷藏计划,包括冷适应.
* 确定冷藏对N. bicaudus的性能和有效性的影响.

主要方法:

*虫在从0°C到18°C的温度下适应了2小时到7天的时间.
* 寒冷耐受性在-6°C时被评估,并测量了超冷点.
* 储存后的性能 (生育能力,寿命,掠食性) 和对Tetranychus turkestani的疗效在9°C或12°C储存30天后进行评估.

主要成果:

*冷适应显著增加了N. bicaudus在低温下生存率,在12°C适应7天后,生存率达到90%.
* 超冷点在适应温度低于0°C时减少.
*在12°C保存30天后,成年雌性生育能力,寿命和捕食能力没有受到影响,并且储存不会影响对蜘蛛的有效性.

结论:

* 寒冷适应是提高Neoseiulus bicaudus寒冷耐受性和存储活力的关键过程.
* 一个推的方案包括在3-21°C的冷适应,然后在9°C或12°C存储30天,以保持虫的质量.
*优化N. bicaudus的冷藏可以改善这种有益的虫在生物控制计划中的实际应用.

关键词:

寒冷耐受性耐寒性耐寒性掠食性虫的虫掠食性虫的虫货架寿命货架寿命

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