Nippon Soda Co., Ltd.

Sho Hashimoto

Akira Nakada

Akiyoshi Ueda

Tomio Yagihara

Izumi Kumita

Saburo Kano

Masami Mizuno

Kazuhiko Ohkuma

Koshin Miyazaki

Susumu Takahashi

Akira Wakai

A compound of the formula ##STR1## wherein R.sub.1 is lower alkyl;

Spirolactone derivatives

This invention is directed to compositions and methods employing, as an active fungicidal ingredient, at least one compound of the formula: ##SPC1## WHEREIN R.sub.1 is selected from the group consisting of straight or branched chain alkyl, lower alkenyl, lower alkynyl, lower alkoxyethl, lower haloalkyl and lower cycloalkyl. Especially preferred for use because of their fungicidal effectiveness are: 2-amino-1-n-butoxycarbonyl-4,5-dicyanoimidazole and 2-amino-4,5-dicyano-1-n-pentyloxycarbonylimidazole.

Imidazole derivatives

Carbamic acid derivatives of the general formula: ##EQU1## wherein R.sub.1 and R.sub.2 are selected from the group consisting of lower alkyl, cycloalkyl, phenyl and phenyl substituted with halogen,

Fungicidal composition containing 2-(N-n-butylcarbamoylthio) ethyl

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Odawara, Japan

Sho Hashimoto