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引用次数: 0
摘要
为了最大限度地减少除草剂的投入,减轻环境负担,延缓除草剂抗药性的演变,研究除草剂之间的相互作用具有极其重要的意义。要做到这一点,可以选择最佳组合,通过协同作用,实现比单一除草剂更具成本效益的除草效果。在实验室条件下,使用加成剂量模型研究了苄嘧磺隆、丙环唑、2,4-D 或苯达松的二元混合物之间的相互作用对 Lemna minor 叶绿素减少的影响。丙环唑/2,4-D 混合物的拮抗作用较低,而苄嘧磺隆/丙环唑的拮抗作用较强。苄嘧磺隆/苯噻酰草胺和苄嘧磺隆/2,4-D的组合具有中等程度的拮抗作用。相比之下,丙草胺与苯噻草胺的组合则表现出适度的协同作用。这项研究的结果为稻田和其他水生环境中混合使用两种除草剂控制杂草提供了很好的指导和启示。
Joint Action of Selective Herbicides used in Paddy Field on Control of Lemna minor L.
To minimise herbicide inputs, reduce environmental burdens, and delay the evolution of herbicide resistance, it is of the utmost significance to study the interaction between herbicides. This may be accomplished by selecting the optimal combination, which, through synergy, delivers more cost-effective weed control than a single herbicide. Under laboratory conditions, interactions between binary mixtures of bensulfuron, propanil, 2,4-D, or bentazon on chlorophyll reduction of Lemna minor were investigated using the Additive Dose Model. Mixtures of propanil/2,4-D resulted in low antagonism whereas strong antagonism was evident in bensulfuron-methyl/propanil. Combinations of bensulfuron/bentazon and bensulfuron/2,4-D led to moderate antagonism. By contrast, propanil in combination with bentazon demonstrated a modest degree of synergism. The findings of this study could provide good guideline and insights when mixing two herbicides for weed control in rice fields and other aquatic environment.
期刊介绍:
Sains Malaysiana is a refereed journal committed to the advancement of scholarly knowledge and research findings of the several branches of science and technology. It contains articles on Earth Sciences, Health Sciences, Life Sciences, Mathematical Sciences and Physical Sciences. The journal publishes articles, reviews, and research notes whose content and approach are of interest to a wide range of scholars. Sains Malaysiana is published by the UKM Press an its autonomous Editorial Board are drawn from the Faculty of Science and Technology, Universiti Kebangsaan Malaysia. In addition, distinguished scholars from local and foreign universities are appointed to serve as advisory board members and referees.