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Ｆ8 42 6 (通用名Ｃａｒｆｅｎｔｒａｚｏｎｅ -ｅｔｈｙｌ)是美国ＦＭＣ公司于 1 992年研制开发的用于防除禾谷类作物田杂草的芳基三唑类高效茎叶处理剂 ,是一种原卟啉氧化酶抑制剂。为探索其对移栽稻田扁秆草及阔叶杂草的防除效果、经济有效的用药量、安全性和推广应用前景
F8 42 6 (common name Carfentrazone-ethyl) is the United States FMC company in 1992 developed for the control of weeds in cereal crops, aryl triazole efficient stem and leaf treatment agent is a protoporphyrin oxidase Inhibitors. In order to explore its control effect on flat barn grass and broad-leaved weeds in transplanted paddy fields, the economical and effective dose, safety and popularization and application prospects