CN1165235C - Insecticide compounded with nimbin and Bt - Google Patents
Insecticide compounded with nimbin and Bt Download PDFInfo
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- CN1165235C CN1165235C CNB011193972A CN01119397A CN1165235C CN 1165235 C CN1165235 C CN 1165235C CN B011193972 A CNB011193972 A CN B011193972A CN 01119397 A CN01119397 A CN 01119397A CN 1165235 C CN1165235 C CN 1165235C
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Abstract
The present invention provides a mixed nimbin pesticide having the advantages of high efficiency, low toxicity, no pollution, no harm to human and livestock, and low possibility of pesticide resistance generated by pests. In the mixed nimbin pesticide, the synergistic effect and the negative cross resistance relationship between the active components of nimbin and Bt are used for overcoming the pesticide resistance of pests, enhancing the application effect of the pesticide, and enlarging the application range of the pesticide. The deficiencies of the single-agent pesticides can be overcome owning to the synergistic effect of the components of the mixed nimbin pesticide in the application process. The pesticide is particularly suitable for controlling various pests with strong pesticide resistance.
Description
The invention belongs to a kind of mixed insecticide, particularly, relate to nimbin how with other insecticide mixtures.
Because people rely the insecticide that uses a certain type in the chief of the Xiongnu in Acient China for a long time, insect is easy to generate pesticide resistance, causes the chemical dosage of insecticide sharply to increase, and not only increases the weight of peasant's financial burden, contaminated environment, and because the natural enemy of a large amount of kill pests causes the wildness harm of insect.Have a large amount of mixed insecticides in the market, but the overwhelming majority is being mixed between the chemical pesticide, these mixtures mostly contain organic phosphates, toxicity to people and animals is bigger, easily cause the person poultry poisoning, and after the long period used, insect can develop immunity to drugs also.
The objective of the invention is to develop a class is active insecticidal components with the nimbin in the plant neem seed, and after reasonably being mixed with Bt insecticide efficient, low toxicity, acquisition can overcome the nimbin mixed pesticide preparation of pest resistance to insecticide.
The present invention utilizes neem seed to carry out lixiviate, becomes to contain certain density nimbin extract, and extract becomes concentrate after concentrating evaporate to dryness.
The present invention utilizes the nimbin in the plant neem seed to be active insecticidal components, by being mixed with biopesticide Bt, and allocating appropriate amount of addition agent into and is prepared into mixed insecticide nimbin+Bt wettable powder agent formulation.
Each component content proportioning is in mixed insecticide nimbin+Bt wettable powder agent formulation: nimbin content is 0.1-35% (weight); Bt content content is 0.5-50% (weight); Wetting agent content is 1-20% (weight); Dispersant is 7-30% (weight); Antiseptic content is 0.1-2.9% (weight); Filer content is 15-75% (weight); Each component summation is 100%.
Wetting agent component in mixed insecticide nimbin+Bt wettable powder agent formulation is to be selected from: lignosulfonates, alkylbenzenesulfonate, draw back in powder, the multi-sorbitol ester any one or more; The dispersant component is to be selected from: naphthalene sulfonate, alkylsulfonate, polyoxy ethyl ether sulfonate, diisopropyl phosphate any one or more; Preservative component is to be selected from: active carbon, alkaline earth metal any one or more; Filler component is to be selected from: kaolin, diatomite, active carbon any one or more.
The optimal proportion of each component content is in mixed insecticide nimbin+Bt wettable powder agent formulation: nimbin content is 0.3-20% (weight); Bt content is 1-1.5% (weight); Wetting agent content is 5-15% (weight); Dispersant is 10-25% (weight); Antiseptic content is 1-1.5% (weight); Filer content is 45-65% (weight); Each component summation is 100%.
Mixed insecticide nimbin+Bt wettable powder agent formulation adopts conventional pesticide wettable processing technology to get final product in preparation process.
In order to understand essence of an invention better, describe the technology contents of invention below in detail with example, but content of the present invention is not limited thereto.
Embodiment one: produce the 1.2% (wetting powder of nimbin+Bt)
Nimbin content 0.8% (weight)
Bt content 0.4% (weight)
Wetting agent 15% (weight)
Dispersant 20% (weight)
Preservative 1.3% (weight)
Filler 62.5% (weight)
Embodiment two: produce the 1.5% (wetting powder of nimbin+Bt)
Nimbin content 0.9% (weight)
Bt content 0.6% (weight)
Wetting agent 15% (weight)
Dispersant 20% (weight)
Preservative 1.3% (weight)
Filler 62.2% (weight)
Embodiment three: produce the 10% (wetting powder of nimbin+Bt)
Nimbin content 9% (weight)
Bt content 1% (weight)
Wetting agent 12% (weight)
Dispersant 16% (weight)
Preservative 1.2% (weight)
Filler 60.8% (weight)
Embodiment four: produce the 11% (wetting powder of nimbin+Bt)
Nimbin content 9.8% (weight)
Bt content 1.2% (weight)
Wetting agent 12% (weight)
Dispersant 15% (weight)
Preservative 1.2% (weight)
Filler 60.8% (weight)
Embodiment five: produce the 20% (wetting powder of nimbin+Bt)
Nimbin content 18.6% (weight)
Bt content 1.4% (weight)
Wetting agent 13% (weight)
Dispersant 14% (weight)
Preservative 1.2% (weight)
Filler 51.8% (weight)
Embodiment six: produce the 22% (wetting powder of nimbin+Bt)
Nimbin content 20% (weight)
Bt content 2% (weight)
Wetting agent 10% (weight)
Dispersant 20% (weight)
Preservative 1.0% (weight)
Filler 47% (weight)
Embodiment seven: produce the 45% (wetting powder of nimbin+Bt)
Nimbin content 1% (weight)
Bt content 44% (weight)
Wetting agent 5% (weight)
Dispersant 19% (weight)
Preservative 1% (weight)
Filler 30% (weight)
Embodiment eight: produce the 50% (wetting powder of nimbin+Bt)
Nimbin content 3% (weight)
Bt content 47% (weight)
Wetting agent 10% (weight)
Dispersant 20% (weight)
Preservative 1.5% (weight)
Filler 18.5% (weight)
Beneficial effect of the present invention is as follows:
1. the present invention is in preparation nimbin+Bt wettable powder agent formulation process, by adding the multiple choosing that supplies With wetting agent, dispersant, anticorrisive agent and filler, system has deeply solved nimbin+Bt can The difficult problems such as poor, the easy pollution of WP preparation dispersive property.
2. after nimbin and Bt are mixed in aforementioned selected ratio, the numerous of biological pesticide itself have not only been kept Advantage, and the reduction of the dosage of mixture, drug effect increases substantially, and has remedied the nimbin plant The insects agent is to the weakness of lepidoptera pest stomach poison function weak effect. This mixture is to natural insecticide Application and Development have profound significance.
3. nimbin belongs to the different pesticide of two class mechanism of action from Bt, and the nimbin+Bt after being mixed can The WP preparation has not only enlarged the control of insect spectrum, and has more uniform to simultaneous insect Drug effect, thus delay even overcome the resistance to the action of a drug that may become sociales after the pest population succession. Should Mixture application effect in the resistance diamondback moth governance process on to vegetables is particularly remarkable.
Since the preparation nimbin+required each material of Bt wettable powder agent formulation compatibility and reasonable mixture ratio, Can greatly alleviate the toxic action to the various pest natural enemies of kill, to the infringement of ecological environment and Less pollution is conducive to protect the person poultry safety. Be that a class can be prevented and treated multiple agriculture and forestry injurious insect, poison is paid Act on littlely, and can overcome the nimbin mixture of pest resistance to insecticide.
Claims (8)
1. a nimbin and Bt wettable powder agent formulation that is mixed and forms by nimbin and Bt, it is characterized in that each component content proportioning is by weight in the mixed insecticide preparation: nimbin content is 0.1-35%; Bt content is 0.5-50%; Wetting agent content is 1-20%; Dispersant is 7-30%; Antiseptic content is 0.1-2.9%; Filer content is 15-75%; Each component summation is 100%.
2. mixed insecticide nimbin according to claim 1 and Bt wettable powder agent formulation is characterized in that described wetting agent component is to be selected from: lignosulfonates, alkylbenzenesulfonate, draw back in powder, the multi-sorbitol ester any one or more.
3. mixed insecticide nimbin according to claim 1 and Bt wettable powder agent formulation is characterized in that described dispersant component is to be selected from: naphthalene sulfonate, alkylsulfonate, polyoxy ethyl ether sulfonate, diisopropyl phosphate any one or more.
4. mixed insecticide nimbin according to claim 1 and Bt wettable powder agent formulation is characterized in that described preservative is: active carbon.
5. mixed insecticide nimbin according to claim 1 and Bt wettable powder agent formulation is characterized in that described filler component is to be selected from: kaolin, diatomite, active carbon any one or more.
6. mixed insecticide nimbin according to claim 1 and Bt wettable powder agent formulation, the proportioning that it is characterized in that each component content in the mixed insecticide wettable powder agent formulation be by weight: nimbin content is 0.3-20%; Bt content is 1-1.5%; Wetting agent content is 5-15%; Dispersant is 10-25%; Antiseptic content is 1-1.5%; Filer content is 45-65%; Each component summation is 100%.
7. the wetting powder that nimbin according to claim 1 and Bt are mixed is characterized in that each constituent content by weight: nimbin content is 1%; Bt content is 44%; Wetting agent content is 5%; Dispersant is 19%; Antiseptic content is 1%; Filer content is 30%.
8. the wetting powder that nimbin according to claim 1 and Bt are mixed is characterized in that each constituent content by weight: nimbin content is 3%; Bt content is 47%; Wetting agent content is 10%; Dispersant is 20%; Antiseptic content is 1.5%; Filer content is 18.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011193972A CN1165235C (en) | 2001-06-04 | 2001-06-04 | Insecticide compounded with nimbin and Bt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011193972A CN1165235C (en) | 2001-06-04 | 2001-06-04 | Insecticide compounded with nimbin and Bt |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99116209A Division CN1094040C (en) | 1999-05-28 | 1999-05-28 | Nimbin mixed pesticide preparation and its preparing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1335064A CN1335064A (en) | 2002-02-13 |
| CN1165235C true CN1165235C (en) | 2004-09-08 |
Family
ID=4663630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011193972A Expired - Fee Related CN1165235C (en) | 2001-06-04 | 2001-06-04 | Insecticide compounded with nimbin and Bt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1165235C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027999A (en) * | 2010-11-18 | 2011-04-27 | 黑龙江大学 | Bacillus thuringiensis wettable powder containing pullulan polysaccharide and preparation method thereof |
| CN103814956B (en) * | 2014-03-04 | 2015-12-09 | 中南林业科技大学 | Cake of camellia oleifera seeds extract and bacillus thuringiensis,Bt compounded pesticides and preparation method thereof |
| CN106490011A (en) * | 2016-10-31 | 2017-03-15 | 郑州思辩科技有限公司 | A kind of biological insecticides of preventing and treating lepidoptera pest and preparation method thereof |
| CN108935505A (en) * | 2017-05-18 | 2018-12-07 | 河北昊阳化工有限公司 | A kind of mixed pesticide composition for killing subterranean pest-insect |
-
2001
- 2001-06-04 CN CNB011193972A patent/CN1165235C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1335064A (en) | 2002-02-13 |
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| CF01 | Termination of patent right due to non-payment of annual fee |