Pesticidal composition containing a microencapsulated organo-phosphorus or carbamate in a pyrethroid dispersion
AssigneeSumitomo Chemical Company, Limited
InventorsToshiro Ohtsubo, Shigenori Tsuda, Kozo Tsuji
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Abstract
An insecticidal and/or acaricidal and/or nematicidal composition having a rapid efficacy and residual activity which comprises a mixture of a poorly water-soluble organophosphorus insecticide and/or acaricide and/or nematicide and/or a poorly water-soluble carbamate insecticide and/or acaricide which have been microencapsulated in water-insoluble polymer coatings with a dispersing agent used in forming a microcapsule part, with a poorly water-soluble pyrethroid insecticide and/or acaricide emulsified or suspended in water with the above-mentioned dispersing agent used in forming a flowable part.
Claims4
A pesticide having a rapid efficacy and residual activity as at least one of an insecticide, acaricide and nematicide, which comprises a mixture of a microencapsulated part and a flowable part, wherein the microencapsulated part comprises:
- (i) a poorly water-soluble organophosphorus insecticide, acaricide or nematicide;
- or
- (ii) a poorly water-soluble carbamate insecticide or acaricide
- which have been microencapsulated in water-insoluble polymer coatings with a dispersing agent used in forming a microcapsule part, and wherein the flowable part comprises
- (iii) a poorly water-soluble pyrethroid insecticide or acaricide emulsified or suspended in water with the above-mentioned dispersing agent used in forming a flowable part,
- wherein the amount of the dispersing agent to be added is from 0.05 to 10% by weight of the microcapsule part and is from 0.05 to 10% by weight of the flowable part.
Dependencies are inferred from the claim text.