Sds Biotech K.k.

Yoji Hirohara

Eiji Ikuta

Teruhiko Ishii

Sayo Osanai

Takuo Kimura

Hideki Nakashima

Substituted pyrazole compounds of the formula (1). The compounds are synthesized from a pyrazole derivative and a haloalkyleneoxime ester derivative, and have excellent herbicidal effects. Herbicide compositions containing the substituted pyrazole derivatives or hydrazide derivatives thereof as active ingredients possess wide herbicidal spectra, work sufficiently in small dosages, and are sufficiently safe for certain important crops 

Substituted pyrazole derivatives, production process thereof, and herbicide compositions containing the derivatives

A herbicide composition containing a substituted pyrazole derivative represented by the formula (I) set forth below as an active ingredient is disclosed, more particularly, a herbicide composition having a wide herbicidal spectrum, applicable in a small dosage with sufficient safety to certain important crops. The herbicide composition of the invention containing the substituted pyrazole derivative represented by the formula (I) as an active ingredient has a wide herbicidal spectrum, exerts an excellent herbicidal effect even in a small dose, and shows sufficient safety with respect to a number of important crops, such as rice, wheat and soybeans.

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Ibaraki, Japan

Yoji Hirohara