Agro-kanesho Co., Ltd.

Denki Kagaku Kogyo Kabushiki Kaisha

Sansui Electric Co., Ltd.

Hiroshi Tabata

Shunnosuke Watanabe

Shinobu Iriuchijima

Nobuo Onodera

Hirohiko Kobayashi

Takahito Masuda

Shigeaki Toyoda

Derivatives of 3'-isopropylbenzanilide represented by the following general formula: ##STR1## wherein R stands for a trifluoromethyl or nitro group. These compounds are of remarkable utility when used in various plant protection agents for control of fungi.

Plant protection agents for control of fungi

Derivatives of benzoisothiazole oxime which exhibit marked effect when used in plant protection agents for control of fungi and bacteria. They are of particular utility for the prevention of rice blast. The derivatives of benzothiazole oxime, according to this invention, are represented by the following general formula (I): ##STR1## wherein R.sub.1 is an alkyl group, and R.sub.2 is an alkyl, alkenyl, alkoxyalkyl or alkoxycarbonyl group, where R.sub.1 and R.sub.2 may be coupled together to form an alkylene chain.

Benzoisothiazole oximes which are plant protection agents for control of

1,2-benzoisothiazol-3(2H)-one, 1,1-dioxide, ion(1-),2-hydroxy-N,N,N-trimethyl-ethanaminium represented by the following formula (I): ##STR1## is found to have great utility as an effective component in plant protection agents for control of fungi and bacteria. By the use of the compound, diseases or blights of plants can be effectively prevented.

1,2-benzoisothiazol-3(2H)-one 1,1-dioxide,

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Hiroshi Tabata