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4种杀虫剂防治玉米粘虫田间药效试验.doc

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4种杀虫剂防治玉米粘虫田间药效试验.doc
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4 , 4 -1 -2 40% -2 10% -2 -1 -2 3 , 7 90%, ; ; ; , , , , , ( ) (201403031) Efficacy of four pesticides in controlling Mythimna separate in corn field LI Mang PENG Bing MA Xiao-long SI Sheng-yun Institute of Vegetable Science, Wuhan Academy of Agricultural Science and Technology; Abstract In order to control Mythimna separate in corn reasonably and effectively, four pesticides, such as chlorpyrifos, phoxim, cyantraniliprole and acetaminophen, were selected for field efficacy trials.The results showed -1chlorpyrifos em -2 , -2, - -1 -2had good control effect against the larvae of Mythimna separate within three instar, which effects against the pest were all higher than 90%.We suggest that the four pesticides should be used when the pest breaks out. Keyword Mythimna separate; pesticide; field efficacy; Mythimna separate (Walker) , , , , , [1] , , , [2] , , , [3] , [4], , 4 , , 1 1.1 , , , pH 6.8 1.9% 2016 4 15 , 451 , , 40 1.2 , ;40% , ;10% , , ; 1.3 1.3.1 5 , 4 , 1 ( ) 3 , 15 , 20m, 1.3.2 MATABI-16 , 0.3~0.4mPa (6 4 ) , 78%, , 1 , 750L , , 1.3.3 5 , 1m, 6 3 , , 1~3 , 3 , 1 , 3 7 , [5]: /%= ( - ) / /%= ( - ) / (100- ) EXCLE , SPSS17.0 , Duncan 2 1 2 , 4 , 3 , 83.05%~89.94% , : , 7 , , 90.55%~92.92% , 1 4 ( 3 ) 2 4 ( 7 ) 3 , , , [6-8] , , 7 92.89% 91.17%, , , [9] , , , , [10] , , , , 3 , , , , , [1] , , , . [J]. , 2016 (13) :54-55. [2] , , , . [J]. , 2015 (8) :87-88. [3] , , , .2012 [J]. , 2012 (5) :1-8. [4] , , , . 5 [J]. , 2014 (6) :687-692. [5] GB/T 17980.80-2004. ( ) 80 : [S]// : , 2004. [6] . [J]. , 2015 (4) :144. [7] , , , . [J]. , 2017 (2) :182-188. [8] , . [J]. , 2016 (23) :81-82. [9] , , , . [J]. , 2014 (8) :103-106. [10] . [J]. , 2015 (1) :1-5, 13.
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