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 Methods of combatting insects and acarids

Details
Inventors: Geering, Quinton A.;
Assignee: Fisons Limited (GB2)
Primary Examiner: Robinson; Allen J.
Assistant Examiner:
Attorney, Agent or Firm: Wenderoth, Lind & Ponack

Insect and acarid pests, particularly those of crops, are combated by applying (a) 2,2-dimethyl-1,3-benzodioxol-4-yl N-methylcarbamate and (b) a soil applied systemic insecticide or acaricide, particularly immediately before planting the crop.

DETAILED DESCRIPTION I claim: 1.
A method of combatting insects or acarids at a locus infested or liable to be infested with them, which method comprises applying to the locus an insect or acarid combatting amount of: (A) 2,2-dimethyl-1,3-benzodioxol-4-yl N-methylcarbamate; and (B) 3,3-dimethyl-1-methylthio-2-butanone O-methylcarbamoyloxime, the weight proportions of (A) to (B) being from 2:1 to 3:8 respectively.
2.
The method according to claim 1 wherein a mixture of (A) and (B) is applied simultaneously.
3.
The method according to claim 1 wherein a crop is growing at the locus.
4.
The method according to claim 1 wherein a crop is to grow at the locus.
5.
The method according to claim 4 wherein the crop is maize or sugar beet.
6.
The method according to claim 1 wherein the weight proportions of (A) and (B) are from 2:1 to 1:2 respectively.
7.
The method according to claim 1 wherein the weight proportions of (A) to (B) are 1:1-2.
5 respectively.
8.
An insecticidal or acaracidal composition comprising: (A) 2,2-dimethyl-1,3-benzodioxol-4-yl N-methylcarbamate; and (B) 3,3-dimethyl-1-methylthio-2-butanone O-methylcarbamoyloxime, the weight proportions of (A) to (B) being from 2:1 to 3:8 respectively.
9.
The composition according to claim 8 wherein the weight proportions of (A) to (B) are from 2:1 to 1:2 respectively.
10.
The composition according to claim 8 wherein the weight proportions of (A) to (B) are 1:1-2.
5 respectively.




Description:
The present invention relates to a method of combating insects and acarids, insecticidal and acaricidal compositions and their preparation.
The invention provides a method of combating insects or acarids at a locus infested or liable to be infested with them, which method comprises applying to the locus: (A) 2,2-dimethyl-1,3-benzodioxol-4-yl N-methylcarbamate; and (B) a soil applied systemic insecticide or a soil applied systemic acaricide.
In addition, the invention provides an insecticidal or acaracidal composition comprising (A) and (B).
The present method and compositions are unexpectedly advantageous



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