25%丁醚脲乳油防治小菜蛾室内生测及田间药效试验  被引量:6

Bio-assay and Field Trials of 25% Diafenthiuron EC for Controlling Plutella xylostella Linne

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作  者:肖婷[1] 牛洪涛[1] 王海迎[1] 罗万春[1] 

机构地区:[1]山东农业大学农药毒理与应用技术省级重点实验室,山东泰安271018

出  处:《现代农药》2007年第2期49-51,共3页MODERN AGROCHEMICALS

摘  要:通过25%丁醚脲乳油防治小菜蛾室内毒力结果表明,供试药剂25%丁醚脲乳油对小菜蛾有较高的活性,药后24h,LC50、LC90分别为924.376mg/L、3693.011mg/L;药后48h,LC50、LC90分别为384.554mg/L、2485.543mg/L。田间药效试验结果表明,25%丁醚脲乳油对小菜蛾幼虫表现出优良的防治效果,是防治小菜蛾的有效药剂,随着剂量的增加,防治效果明显提高。Bio-assay and field trials of 25% diafenthiuron EC for controlling Plutella xylostella Linne was carried out in Tai'an of Shandong Privience. The results showed that the LC50 and LC90 values of 25% diafenthiuron EC against Plutella xylostella Linne were 924.376 mg/L and 3 693.011 mg/L after 24 h, 384.554mg/L and 2 485.543 mg/L after 48 h The results of field trials showed that 25% diafenthiuron EC had excellent effect for controlling Plutella xylostella Linne and the control effect of abamectin against the insect larva was lower than the preparations mentioned above.

关 键 词:生测 药效试验 小菜蛾 防治效果 

分 类 号:S433[农业科学—农业昆虫与害虫防治]

 

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