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|Section2= |Section3= }} Metolachlor is an organic compound that is widely used as an herbicide. It is a derivative of aniline and is a member of the chloroacetanilide herbicides. It is highly effective toward grasses but its application is also controversial. ==Agricultural use== Metolachlor was developed by Ciba-Geigy. Its acts by inhibition of elongases and of the geranylgeranyl pyrophosphate (GGPP) cyclases, which are part of the gibberellin pathway. It is used for grass and broadleaf weed control in corn, soybean, peanuts, sorghum, and cotton. It is also used in combination with other herbicides. Metolachlor is a popular herbicide in the United States.〔Kiely, T., D. Donaldson, and A. Grube. 2004. Pesticide industry sales and usage: 2000 and 2001 market estimates. US Environmental Protection Agency, Office of Pesticides Programs, Washington, DC〕 Metolachlor is becoming less and less common. As originally formulated metolachlor was applied as a racemate, a 1:1 mixture of the (''S'')- and (''R'')-stereoisomers. The (''R'')-enantiomer is inactive, and modern production methods afford only (''S'')-metolachlor, thus current application rates are far lower than original formulations. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Metolachlor」の詳細全文を読む スポンサード リンク
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