卡瓦克罗尔对Spodoptera frugiperda的发育和基因表达特征的影响
Jiafu Liu1, Yanzheng Lin1, Yuting Huang1
1Guangzhou City Key Laboratory of Subtropical Fruit Trees Outbreak Control, Zhongkai University of Agriculture and Engineering, Guangzhou, China.
Pesticide biochemistry and physiology
|September 4, 2023
概括
卡瓦克罗尔会导致秋季军 (Spodoptera frugiperda) 幼虫死亡,并通过影响食物消化和排毒酶来抑制生长. 这项研究为在害虫控制策略中使用卡瓦克罗尔提供了基础.
科学领域:
- 农业昆虫学 农业昆虫学
- 化学生态化学生态学
- 分子昆虫学分子昆虫学
背景情况:
- 秋季军虫 (Spodoptera frugiperda) 是一个主要的全球性害虫,造成大量的作物损失.
- 众所周知,卡瓦克罗尔对各种昆虫害虫有不良影响.
研究的目的:
- 为了研究卡瓦克罗尔对虫幼虫的影响.
- 分析卡瓦克罗尔对幼虫生长,死亡率和酶活动的影响.
主要方法:
- 幼虫被用1.0和2.0g/kg的卡尔瓦克罗尔治疗.
- 分析了排毒和消化酶活动 (碳素化酶,谷氨S转移酶,α-氨酶,脂酶,素).
- 对用2.0g/kg卡瓦克罗尔治疗的幼虫进行基因表达分析.
主要成果:
- 卡瓦克罗尔诱导了S. frugiperda的幼虫死亡率和生长抑制.
- 卡尔瓦克罗尔增加了碳氧乙酶 (CarE) 和谷氨酸S转移酶 (GST) 的活性.
- 卡瓦克罗尔降低了α-氨基酶 (AMS),脂酶 (LIP) 和素活动.
- 基因表达分析揭示了与排毒和消化相关的途径的显著变化.
结论:
- 卡瓦克罗尔通过影响食物消化来调节S.frugiperda的生长和发育.
- 卡瓦克罗尔通过各种杀虫剂点施加毒性,并影响排毒途径.
- 这些发现支持卡瓦克罗尔在农业环境中有效管理S. frugiperda的潜在用途.
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