Sumitomo Chemical Company, Limited

Yoshikazu Itoh

Mitsuru Sasaki

Naonori Hirata

Masato Mizutani

Kenji Arai

Akio Manabe

Shigeru Saito

Makoto Hatakoshi

Kazuo Izumi

Sachiko Uwayokote

Yutaka Yoshii

The present invention relates to an amidothiophosphate derivative represented by the formula II: ##STR1## in which R.sub.1 is a methyl group or an ethyl group; R.sub.2 is a n-propyl group or a sec-butyl group; R.sub.3 is a C.sub.1 -C.sub.4 alkoxy group, a C.sub.1 -C.sub.4 alkylthio group, phenyl group or a phenoxy group; and n represents 1 or 2, and an insecticide, a nematocide and an acaricide containing the same as an active ingredient.

Amidothiophosphate derivative and insecticide, nematocide and acaricide

Plant growth regulators comprising, as an active ingredient, a substituted dicarboxylic acid derivative having the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, D and G are the same as defined in the present specification, the substituted dicarboxylic acid derivatives, and processes for preparing the same, are disclosed. The plant growth regulators provided according to the present invention have a regulating activity on plant growth; more specifically, an action thereof of lowering the content of endogenous ethylene in a plant is utilized.

Hydroxamic acid esters and plant growth regulation therewith

The present invention relates to an O,O-diethyl O-1-(N-methoxyimino)ethyl thiophosphonate and O,O-diethyl O-1-(N-methoxyimino)-propyl thiophosphate useful to control pests living in soil. Said compounds have an excellent activity in controlling pests living in soil such as southern corn rootworm, cupreous chafer etc.

Thiophosphoric acid ester as a soil pest controlling agent

Growing community of inventors

Ibaraki, Japan

Yoshikazu Itoh