【摘 要】
：
朱砂叶螨(Tetranychus cinnabarinus)是一种世界性害螨,在我国广泛为害蔬菜、棉花、烟草等多种具有经济价值的作物。该螨繁殖能力强、世代周期短,容易对常用杀螨剂产生抗
【机 构】
：
西南大学植物保护学院,重庆400716
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朱砂叶螨(Tetranychus cinnabarinus)是一种世界性害螨,在我国广泛为害蔬菜、棉花、烟草等多种具有经济价值的作物。该螨繁殖能力强、世代周期短,容易对常用杀螨剂产生抗药性。目前朱砂叶螨的田间种群已经对甲氰菊酯产生了较高抗性,在甲氰菊脂抗性品系的研究中发现,其繁殖力显著高于敏感品系。为明确其内在机制,本研究以卵黄原蛋白及其受体为研究对象,分析相关基因在抗性、敏感品系间的表达差异。卵黄原蛋白(vitellogenin,Vg)是广泛存在于卵生脊椎和非脊椎动物的肝脏、脂肪体、血淋巴和卵中的大分子复合蛋白质。
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