Active ingredient combinations having insecticidal and acaricidal properties
The invention relates to insecticidal and acaricidal mixtures comprising certain cyclic ketoenols and agonists or antagonists of nicotinic acetylcholine receptors for protecting plants against attack by pests.
1. A composition, comprising a synergistically effective mixture of:
a) a cyclic ketoenol compound of the Formula (Ia)
and
b) an agonist or antagonist of the nicotinic acetylcholine receptor which agonist or antagonist is a compound of formula IIa
or a compound of formula IIk.
2. A composition according to claim 1 , wherein said cyclic ketoenol compound and either said agonist or said antagonist of nicotinic acetylcholine receptors, respectively, are present in a ratio of from 1:100 to 100:1.
3. A method for controlling insects encountered in agriculture comprising applying the composition of claim 1 to a habitat of the insects, the insects or combinations thereof.
4. A process for preparing a pesticide comprising the step of mixing:
a) the composition according to claim 1 or 2 ; with
b) a member selected from the group consisting of an extender, a surfactant, and combinations thereof.
5. A method for controlling sucking insect pests in or on crop plants by applying a composition as described in claim 1 to the crop plant or the habitat from which it grows.
6. The method of claim 5 wherein the sucking insect pest is a pest of the order Homoptera.
7. The method of claim 6 wherein the sucking pest is Aphis gossipyii or Myzus persicae.