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自1976年以来,三唑酮一直就是我国防治小麦白粉病的主要药剂。1991年首次在山东省发现抗性菌株,之后其他地区也相继有抗药性菌株的报道。本实验室从1995年就开始监测小麦白粉菌对三唑酮的抗药性,研究结果表明,平均抗性水平和抗性菌株的频率均总体呈上升趋势[1～3]。鉴于目前小麦白粉菌对三唑酮的抗性水平较高,急需作用机理不同的杀菌剂的推广和使用。甲氧基丙烯酸酯类杀菌剂是一类低毒、高效、广谱、内
Since 1976, triadimefon has been the main agent for controlling wheat powdery mildew in China. For the first time in 1991, resistant strains were found in Shandong Province, followed by reports of resistant strains in other areas. The laboratory started from 1995 to monitor the wheat powdery mildew resistance to triadimefon, the results show that the average level of resistance and the frequency of resistant strains are generally on the rise [1-3]. In view of the current wheat powdery mildew of higher levels of triadimefon, the urgent need of different mechanisms of action of the promotion and use of fungicides. Methoxyacrylate fungicides are a class of low toxicity, high efficiency, broad spectrum, and within