Use of tetramic acid derivatives as nematicides

Patent metadata

Field	Value
Publication number	US-9809593-B2
Application number	US-201414891788-A
Country	US
Kind code	B2
Filing date	May 21, 2014
Priority date	May 28, 2013
Publication date	Nov 7, 2017
Grant date	Nov 7, 2017

Abstract

Use of a tetramic acid compound according to formula (I) or (I′) with a second nematicide as a treatment for crop plants to combat and control nematodes in the soil of said crop plants.

First claim

The invention claimed is:

1. A method of controlling nematodes in the soil of crop plants, comprising applying to the crop plants a compound according to formula (iii)

wherein
G is hydrogen or a latentiating group selected from —C(═O)—R a or —C(═O)—O—R b ; wherein R a is selected from hydrogen, C 1 -C 12 alkyl, C 2 -C 12 alkenyl, C 2 -C 12 alkynyl, C 1 -C 10 haloalkyl and R b is selected from C 1 -C 12 alkyl, C 2 -C 12 alkenyl, C 2 -C 12 alkynyl and C 1 -C 10 haloalkyl;
or an agrochemically acceptable salt or an N-oxide thereof.

2. The method according to claim 1 for combating and controlling phytoparasitic nematodes.

3. The method according to claim 1 for combating and controlling nematodes in perennial or annual crops.

4. The method according to claim 1 for combating and controlling nematodes in the group consisting of vegetables, citrus, grapes or mixtures thereof.

5. The method according to claim 1 wherein the compounds of the formula (iii) as defined according to claim 1 are applied to the crops as a foliar treatment.

Assignees

• Syngenta Participations Ag

Inventors

• Hatt Fabienne
• Buchholz Anke

Classifications

• A01N47/06

  containing —O—CO—O— groups; Thio analogues thereof · CPC title

• A01N43/90

  having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system · CPC title

• A01N43/40

  six-membered rings · CPC title

• C07D471/10 Primary

  Spiro-condensed systems · CPC title