Mitsubishi Petrochemical Company Limited

Kiyoshi Shugaya

Makoto Konnai

Makoto Takeda

Tetsuo Takematsu

Kaoru Ikeda

Nobuhiko Fuga

A plant growth regulator comprising as an active ingredient a compound having a novel 2-sulfonyloxyethyl-phosphonic or -thionophosphonic acid skeleton of the formula ##STR1## and a process for the production of the above compound. A method for regulating the growth of plants which comprises applying the above regulator to plants or to the locus in which the plants are growing or will be grown.

Plant growth regulator

A plant growth regulator comprising as an active ingredient a compound having a novel 2-sulfonyloxyethylphosphonic or -thionophosphonic acid skeleton of the formula ##STR1## and a process for the production of the above compound. A method for regulating the growth of plants which comprises applying the above regulator to plants or to the locus in which the plants are growing or will be grown.

Growing community of inventors

Ami, Japan

Kiyoshi Shugaya