Nihon Nohyaku Co., Ltd.

Shoichi Shibayama

Kunikazu Hiraga

Tatsuo Harada

Isao Yanai

A diphenyl ether represented by the general formula (I), ##STR1## wherein R is a lower alkyl group having 1 to 4 carbon atoms, a lower alkoxyethyl group, the alkoxy substituent of which having 1 to 4 carbon atoms, or a lower alkoxyethoxyethyl group, the alkoxy substituent of which having 1 to 4 carbon atoms is capable of controlling annual and perennial weeds.

Diphenyl ether and herbicide containing the same

N-(p-trifluoromethoxyphenyl)-3,4,5,6-tetrahydrophthalimide and N-(p-trifluoromethylthiophenyl)-3,4,5,6-tetrahydrophthalimide are capable of controlling annual and perennial weeds with high selectivity.

Growing community of inventors

Takatsuki, Japan

Shoichi Shibayama