Method for the eradication of pathogenic microorganisms in an aqueous system
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01M-001/20
A01N-063/00
출원번호
US-0129147
(2009-11-12)
등록번호
US-8915013
(2014-12-23)
우선권정보
DE-10 2008 043 715 (2008-11-13)
국제출원번호
PCT/EP2009/065025
(2009-11-12)
§371/§102 date
20110907
(20110907)
국제공개번호
WO2010/055080
(2010-05-20)
발명자
/ 주소
Liess, Matthias
Duquesne, Sabine
출원인 / 주소
Helmholtz-Zentrum fur Umweltforschung GmbH
대리인 / 주소
VLP Law Group LLP
인용정보
피인용 횟수 :
0인용 특허 :
44
초록▼
The invention relates to a method for the eradication and killing of microorganisms from among insects and worms in an aqueous system, especially for the control and eradication of the larvae. A sustained reduction or killing of the larvae is achieved by a two-step method in which insecticides and a
The invention relates to a method for the eradication and killing of microorganisms from among insects and worms in an aqueous system, especially for the control and eradication of the larvae. A sustained reduction or killing of the larvae is achieved by a two-step method in which insecticides and a zooplankton community are used as biological agents. The insecticides specifically kill the larvae present in the aqueous system. The biological agents, which according to the invention preferably comprise competitors for food of the above microorganisms/larvae, prevent repopulation. The combined use of insecticidal and biological treatment in aqueous systems allows an efficient and permanent eradication.
대표청구항▼
1. A method for the control and destruction of insects and worms and larvae thereof in an aquatic system which contains said insects, worms and/or larvae, the method comprising adding at least one bacterial insecticide in combination with a zooplankton community to the aquatic system to reduce or ki
1. A method for the control and destruction of insects and worms and larvae thereof in an aquatic system which contains said insects, worms and/or larvae, the method comprising adding at least one bacterial insecticide in combination with a zooplankton community to the aquatic system to reduce or kill the insects, worms and/or larvae thereof. 2. The method according to claim 1, wherein the at least one bacterial insecticide is Bacillus thuringienis israelensis. 3. The method according to claim 1 wherein the at least one bacterial insecticide is used at a dosage of from 0.5 to 1.5 l/ha or from 0.5 to 1.5 g/m3. 4. The method according to claim 1, wherein the at least one bacterial insecticide is used in liquid form, in the form of floating powders, oils, as solids or in emulsions. 5. The method according to claim 1, wherein the at least one bacterial insecticide is placed on a surface of the aquatic system or incorporated in the aquatic system, by spraying near the surface. 6. The method according to claim 1, wherein the zooplankton community is a mixed or single-species zooplankton community taken from water bodies or bred which are incorporated as the zooplankton community in the aquatic system. 7. The method according to claim 1, wherein the zooplankton community comprises the Daphnia, Ceriodaphnia, Simocephalus, Scapheloberis, Ostracoda and/or Cyclopoida taxa. 8. The method according to claim 1, wherein the zooplankton community is incorporated in the water bodies at a dosage of from 10 to 200 individuals/l. 9. The method according to claim 1, wherein the at least one bacterial insecticide which comprises Bacillus thuringienis israelensis is used in combination with the zooplankton community which comprises Daphnia, Ceriodaphnia, Simocephalus, Scapheloberis, Ostracoda and Cyclopida. 10. The method according to claim 9, wherein the at least one bacterial insecticide which comprises Bacillus thuringienis israelensis is used at an effective dosage of about 0.5 to 1.5 g/m3 in combination with the zooplankton community which comprises Daphnia, Ceriodaphnia, Simocephalus, Scapheloberis, Ostracoda, and Cyclopida in proportions of 4, 74, 7, 3, 10 and 1% and has a sufficient amount of competitors, about 10 to 200 individuals/liter. 11. The method according to claim 10, wherein the at least one bacterial insecticide does not impair the development of the zooplankton community, and said method is used to reduce or kill mosquito and gnat larvae in an aquatic system. 12. The method according to claim 1, wherein the at least one bacterial insecticide and the zooplankton community are added to the aquatic system simultaneously or in close temporal proximity, said insecticide being applied once or several times.
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