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丁草胺、乙氧氟草醚对杂草的毒力及混配的协同增效作用 被引量:5

Activities of Butachlor and Oxyfluorfen and Their Co-synergistic Action to Weeds
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摘要 测定了丁草胺、乙氧氟草醚对稗草Echinochloacrusgalli(L.)Beauv及以刺苋AmaranthusspinosusL.、繁缕Stellariamedia(L.)Cyr.为代表的阔叶杂草的毒力,并证实将两者混配成丁乙水乳剂对稗草及阔叶杂草具有明显的协同增效作用,其中,质量比为14∶1混剂的共毒系数(CTC)分别为164.0和288.5。田间试验亦证明混剂能提高药效,扩大杀草谱,延长持效期,具有较显著的除草作用。 The activities of butachlor and oxyfluorfen to Echinochloa crusgalli (L.) Beauv, (Amaranthus) spinosuo L. and Stellaria media (L.) Cyr. were studied. The results showed that the (mixtures) of butachlor and oxyfluorfen can improve the activities to weeds. The CTC of the mixture of 14∶1 were 164.0 and 288.5 to Echinochloa crusgalli (L.) Beauv and broadleaf weeds respectively. The results of field experiments showed that the mixture of the two herbicides could (improve) the control effect to weed, broaden the control spectrum significantly compared with the single herbicide. The rice yield also increased significantly with the application of the mixtures.
出处 《农药学学报》 CAS CSCD 2004年第2期32-36,共5页 Chinese Journal of Pesticide Science
基金 十五"国家科技攻关资助项目(2001BA308A14).
关键词 丁草胺 乙氧氟草醚 协同增效 混剂 butachlor oxyfluorfen co-synergist mixture
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