Sumitomo Chemical Company, Limited

Noriko Ohsawa

Hirotaka Takano

Tadashi Ohsumi

Junichi Sato

Makoto Fujimura

Norio Kimura

Hiroko Yamazaki

A plant disease-controlling agent containing as an effective ingredient a pyrazoline derivative represented by the general formula ##STR1## wherein, R.sup.1 to R.sup.4 denote hydrogen atoms, etc., R.sup.5 denotes a hydrogen atom, etc., R.sup.6 and R.sup.7 are the same or different and denote optionally substituted hydrocarbon groups, and R.sup.8 and R.sup.9 are the same or different and denote hydrogen atoms, etc., provided that not all of R.sup.1 to R.sup.5 denote hydrogen atoms at the same time. The pyrazoline derivatives represented by the above general formula exhibit excellent control effects on plant diseases.

Plant disease-controlling agent

Method of control plant disease

Growing community of inventors

Sakai, Japan

Noriko Ohsawa