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作 者:唐振宁
出 处:《广西农学报》2008年第1期23-25,共3页Journal of Guangxi Agriculture
基 金:广西2006年全区水稻病虫害防治项目(桂农业办发[2006]78号)
摘 要:6种农药7个处理防治稻纵卷叶螟对比试验表明:667m^2用锐劲特20ml与敌百虫l00ml混配、三拂50ml在卵孵化高峰期和三龄高峰期施用,药后8天防治效果达92.6~98.1%,乐斯本在低龄期施药药后3天的防效可达96.4%,速效性好,但持效短;当稻纵卷叶螟大发生,发生盛期超过7天的,建议防治二次,应在孵化始盛期和l~2龄幼螟高峰期各施药一次。An experiment of six pesticides with seven treatments to control rice leaf-folder was con- ducted and the results show that the application of 20 ml Ruijingte with 100 ml dipterex mix per 667m^2 and 50 ml Sanfu per 667m^2 during egg hatch peak stage and three ages peak stage, the control effect can reach 92.6-98.1% after eight days, the application of Lesiben can reach 96.4 % during youth stage after three days with a fast but short effect. When the rice leaf-folder's harm is serious and the peak stage is over seven days, it is suggested that two pesticide applications will be done at earlier hatch stage and 1-2 age larva peak stage.
分 类 号:S482.3[农业科学—农药学] S435.112.1[农业科学—植物保护]
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