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移动者:移动更多的线虫会更多地入侵吗?

Eddie K Slusher¹, Edwin Lewis², Glen Stevens²

¹USDA Southeastern Fruit and Tree Nut Research Station, Byron, GA, USA.

Journal of invertebrate pathology

|January 19, 2024

概括

昆虫病原性线虫 (EPNs) 移动更多,像巡洋舰一样,显示出更高的昆虫入侵率. 伏击者没有,这表明移动的好处因EPN的食策略而异.

科学领域:

农业科学农业科学
动物学动物学
微生物学微生物学

背景情况:

昆虫病原性线虫 (EPNs) 是对抗昆虫害虫的关键生物控制剂.
传染性幼虫 (IJs) 的EPN采用不同的食策略 (巡航,伏击,中间) 来定位宿主.
增加IJ流动性可能会带来诸如增强宿主入侵等好处,尽管存在风险.

研究的目的:

调查EPN感染性青少年 (IJ) 运动和宿主入侵成功之间的关系.
为了确定更大的IJ向下移动土壤柱是否与更高的入侵率相关.
为了比较不同EPN物种和食策略的运动-入侵动态.

主要方法:

对EPN进行了评估,以评估它们在土壤柱中向下移动.
在物种内,移动性与非移动性IJ的入侵率被量化.
在巡洋舰,伏击者和中间EPN物种之间进行了比较.

主要成果:

巡洋舰和中间EPN物种 (Steinernema riobrave,Heterorhabditis bacteriophora,H. indica) 在移动IJ中显示出明显更高的入侵率.
伏击者物种 (Steinernema carpocapsae) 在移动和非移动IJ之间侵入率没有显著差异.
结果支持这样一个假设,即增加运动对某些EPN食策略的入侵有利.

结论:

使用巡航或中间食策略的EPN物种从增加的移动中获益,从而提高了入侵潜力.
运动驱动入侵的好处似乎是EPN寻策略的特点,伏击者没有显示这种相关性.
结果可以通过选择或工程来提高EPN的移动性和入侵,为开发更有效的生物控制剂提供信息.

关键词:

在分散的分散.食行为是寻找食物的行为.异种息地是一种异种息地.找到主机的方法斯泰因纳纳玛是什么意思

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