ムギ用広葉雑草防除剤ピラフルフェンエチルの除草活性と特性

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献4件 参考文献28件

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  • Herbicidal Activity and Characteristics of Pyraflufen-ethyl for Controlling Broad-leaved Weeds in Cereals
  • Pyraflufen-ethyl: A Potent Protox Inhibiting Herbicide (Part 1)

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Pyraflufen-ethyl [ET-751, ethyl 2-chloro-5-(4-chloro-5-difluoromethoxy-1-methylpyrazol-3-yl)-4-fluorophenoxyacetate] is a potent Protox inhibiting herbicide which is also designated as a peroxidizing or photobleaching herbicide. In this paper, we demonstrated the herbicidal activity and characteristics of pyraflufen-ethyl as a cereal herbicide. Pyraflufen-ethyl showed excellent selectivity between cereal crops (wheat and barley) and abroad range of important broad-leaved weeds in post-emergence application. Its herbicidal activity was significantly higher than that of the existing cereal herbicides such as bifenox, ioxynil and mecoprop-p and comparable or even superior to carfentrazon-ethyl and metsulfuron-methyl, which are known as low use-rate herbicides. Pyraflufen-ethyl was also characterized by the fast herbicidal action and excellent activity against Galium aparine, one of the most troublesome broad-leaved weeds infested in winter cereal fields in West Europe. Field trials conducted in U. K. and France in 1990/1991 proved that pyraflufen-ethyl possessed high potentiality as a post-emergence cereal herbicide for controlling broad-leaved weeds selectively at rates of 6-12g a. i./ha.

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