CN1199570C - Water dispersion granula of bakthane - Google Patents
Water dispersion granula of bakthane Download PDFInfo
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- CN1199570C CN1199570C CN 03128382 CN03128382A CN1199570C CN 1199570 C CN1199570 C CN 1199570C CN 03128382 CN03128382 CN 03128382 CN 03128382 A CN03128382 A CN 03128382A CN 1199570 C CN1199570 C CN 1199570C
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- bacillus thuringiensis
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Abstract
The present invention relates to bacillus thuringiensis water dispersion granules, particularly to bacillus thuringiensis granules capable of rapidly disintegrating and dispersing in water. The present invention is composed of bacillus thuringiensis initial powder, a wetting agent, a disintegrating agent and a vector. The granule diameter of each granule is from 0.45mm to 0.9mm, disintegrative performance is less than 3 min, and a desquamation rate (hardness) is 1%. The granules have the advantages of good disintegrative performance in water, little environmental pollution and security for production and users, and the granules are rapidly disintegrated to form a uniform suspension for spraying, preventing and killing pests; the present invention has the good preventing and killing effects on the important crop pests, such as cabbage caterpillars, cabbage moths, corn borer, etc., and the preventing and killing effects reach more than 80%.
Description
Technical field the present invention relates to a kind of can be in water the bacillus thuringiensis,Bt granule that disperses of disintegration rapidly.
Background technology bacillus thuringiensis,Bt (Bacillus thuringiensis,) be important insect disease indigenous bacteria, by artificial fecundation and make insecticide, important crop pests such as cabbage caterpillar, diamond-back moth, corn borer had good control efficiency, it is compared with chemical pesticide, its the most outstanding advantage is nontoxic to people and animals, with environmental compatible, thereby becomes the focus of current research.For a long time, Bt insecticide formulation is relatively backward, and kind only limits to two kinds of suspending agent and wetting powders, and physicochemical character is not as external like product, and the oil-suspending agent that recent research goes out is mainly used in forestry pest, and is unsuitable for preventing and treating pest.Therefore study new formulation and make the bigger effect of bacillus thuringiensis,Bt performance, become the vital task of current Bt insecticide.
The topmost advantage of water dispersion granule is to produce and do not have dust when using or few powder produces, and to using and producer's safety, and has the advantage of emulsion and wetting powder concurrently, thereby becomes the popular formulation in international market.
Water dispersion granule is disintegration dispersion rapidly in water, and forming can be for the suspension or the solution of spraying.The bacillus thuringiensis,Bt product is a kind of product by fermentation, wherein except that active component, remain the medium component that has not been utilized many by Bt, polysaccharose for example, these material viscosity are strong especially, be not easy disintegration and disperse after making granule, the problem that therefore solves disintegration is the key technology and the difficult point of Bt water dispersion granule.
Summary of the invention the objective of the invention is at above-mentioned situation, aim to provide and a kind of the disintegration in water of bacillus thuringiensis,Bt water dispersion granule is disperseed, during production environment is not polluted, the producer and user's health is not had the bacillus thuringiensis,Bt water dispersion granule of harm.
The object of the invention implementation is, the bacillus thuringiensis,Bt water dispersion granule, and formulated by the former powder of bacillus thuringiensis,Bt, wetting agent, disintegrant and carrier, the percentage of each component weight is:
The former powder 10-50% of bacillus thuringiensis,Bt wetting agent 3-35%
Disintegrant 8-20% carrier 30 as one kind-77%
The former powder of described bacillus thuringiensis,Bt comprises all bacillus thuringiensis,Bt mutation, the Pesticidal toxins that genetic recombination engineering bacteria etc. is produced, and with the product of other agriculture chemical compounding;
Described wetting agent is alkyl sulfate or alkyl benzene sulfonate;
Described carrier is diatomite, kaolin, potter's clay, CaCO
3, attapulgite;
Described disintegrant is EP-70G, CaCL
2Or as the complex preparation of main component.
Beneficial effect of the present invention:
1, disintegrative is good, and disintegration becomes even suspension for spraying pest control usefulness rapidly,
2, few environmental pollution, to production and user's safety,
3, improve control efficiency, generally improve 15-20%.
The invention provides a kind of bacillus thuringiensis,Bt water dispersion granule that is made into by the former powder of bacillus thuringiensis,Bt, disintegrant, wetting agent and carrier.Its scientific formulation is reasonable, and makes particle diameter 0.45mm-0.9mm, disintegrative＜3min by prilling, can be in water rapidly disintegration become uniform suspension, the granule that can use for the spraying desinsection.
Embodiment
This prescription has mainly solved the disintegration in water of bacillus thuringiensis,Bt water dispersion granule and has disperseed difficult technical barrier, further specifies prescription of the present invention, preparation technology, particle major parameter, disintegrative, spray value and effect of spraying pesticide with relevant embodiment below.
The assay method of disintegrative is: sample 200mg is put into the beaker of the 250ml specification that fills 200ml water, stir slightly, the whole disintegrations of 3min endoparticle are scattered for qualified.
The field effect calculates with the insect population rate that goes down, and computing formula is:
Handle the borer population be after the dispenser in the formula, contrast and be the borer population of dispenser not.
Embodiment 1: with the former powder 20Kg of bacillus thuringiensis,Bt, EP-70G10Kg, lauryl sodium sulfate 20Kg, diatomite 10Kg be mixing in mixer (as colter formula mixer, double worm mixer etc.) together.Mixture changes in the kneader and adds the water of its amount below 20%, mediates 20-30min and becomes preformed objects.Preformed objects is through extruder grain, whole grain, dry.The particle major parameter is: particle diameter 0.7mm, and disintegrative＜3min, expulsion rate (hardness) is 1%.The control diamond-back moth is used in the field, adds 450 times of water sprays, the insect population rate 90% that goes down.
Embodiment 2: with embodiment 1, different is the former powder 20Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
26Kg, lauryl sodium sulfate 3Kg, diatomite 31Kg, grain diameter 0.8mm, expulsion rate (hardness) is 2%.The control diamond-back moth is used in the field, adds 450 times of water sprays, the insect population rate 85% that goes down.
Embodiment 3: with embodiment 1, different is the former powder 20Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
26Kg, lauryl sodium sulfate 3Kg, diatomite 31Kg, Avermectin 0.12Kg.The control diamond-back moth is used in the field, adds 1000 times of water sprays, the insect population rate 90% that goes down.
Embodiment 4: with embodiment 1, different is the former powder 20Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
26Kg, lauryl sodium sulfate 3Kg, desinsection list 24Kg, CaCO
37Kg.The control cabbage caterpillar is used in the field, adds 700 times of water sprays, the insect population rate 90% that goes down.
Embodiment 5: with embodiment 1, different is the former powder 20Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
28Kg, lauryl sodium sulfate 3Kg, Changbai Mountain diatomite (calcining) 29Kg.The control diamond-back moth is used in the field, adds 450 times of water sprays, the insect population rate 85% that goes down.
Embodiment 6: with embodiment 1, different is the former powder 20Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
28Kg, lauryl sodium sulfate 3Kg, kaolin 29Kg.The control diamond-back moth is used in the field, adds 450 times of water sprays, the insect population rate 85% that goes down.
Embodiment 7: with embodiment 1, different is the former powder 20Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
28Kg, lauryl sodium sulfate 3Kg, attapulgite 29Kg.The control cabbage caterpillar is used in the field, adds 550 times of water sprays, the insect population rate 90% that goes down.
Embodiment 8: with embodiment 1, different is the former powder 20Kg of bacillus thuringiensis,Bt, EP-70G10Kg, lauryl sodium sulfate 20Kg, CaCO
310Kg.The control diamond-back moth is used in the field, adds 450 times of water sprays, the insect population rate 90% that goes down.
Embodiment 9: with embodiment 1, different is the former powder 20Kg of Bt, ultra-fine CaCL
28Kg, neopelex 3Kg, CaCO
329Kg.The control diamond-back moth adds 400 times of water sprays, the insect population rate 80% that goes down.
Embodiment 10: with embodiment 1, different is the former powder 20Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
28Kg, lauryl sodium sulfate 3Kg, potter's clay 29Kg.The control cabbage caterpillar is used in the field, adds 550 times of water sprays, the insect population rate 90% that goes down.
Embodiment 11: with embodiment 1, different is the former powder 4.5Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
28Kg, lauryl sodium sulfate 3Kg, CaCO
331Kg.The control diamond-back moth is used in the field, adds 150 times of water sprays, the insect population rate 79% that goes down.
Embodiment 12: with embodiment 1, different is the former powder 30Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
28Kg, lauryl sodium sulfate 3Kg, CaCO
319Kg.The control diamond-back moth adds 850 times of water sprays, the insect population rate 85% that goes down.
Embodiment 13: with embodiment 1, different is the former powder 10Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
21.8Kg, lauryl sodium sulfate 2.2Kg, CaCO
346Kg.The control diamond-back moth is used in the field, adds 200 times of water sprays, the insect population rate 85% that goes down.
Embodiment 14: with embodiment 1, different is the former powder 15Kg of bacillus thuringiensis,Bt, ultra-fine CaCL
24.8Kg, lauryl sodium sulfate 3Kg, diatomite 37.2Kg.The control cabbage caterpillar is used in the field, adds 300 times of water sprays, the insect population rate 90% that goes down.
Claims (2)
1, bacillus thuringiensis,Bt water dispersion granule is characterized in that by the former powder of bacillus thuringiensis,Bt, wetting agent, disintegrant and carrier formulatedly, and the percentage of each component weight is:
The former powder 10-50% of bacillus thuringiensis,Bt wetting agent 3-35%
The former powder of the described bacillus thuringiensis,Bt of disintegrant 8-20% carrier 30 as one kind-77% comprises all bacillus thuringiensis,Bt mutation, the Pesticidal toxins that the genetic recombination engineering bacteria is produced, and with the product of other agriculture chemical compounding,
Described wetting agent is alkyl sulfate or alkyl benzene sulfonate,
Described carrier is diatomite, kaolin, potter's clay, CaCO
3, attapulgite,
Described disintegrant is EP-70G, CaCL
2Or as the complex preparation of main component.
2, bacillus thuringiensis,Bt water dispersion granule according to claim 1 is characterized in that granule particle diameter 0.45mm-0.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03128382 CN1199570C (en) | 2003-07-24 | 2003-07-24 | Water dispersion granula of bakthane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03128382 CN1199570C (en) | 2003-07-24 | 2003-07-24 | Water dispersion granula of bakthane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1481687A CN1481687A (en) | 2004-03-17 |
| CN1199570C true CN1199570C (en) | 2005-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03128382 Expired - Fee Related CN1199570C (en) | 2003-07-24 | 2003-07-24 | Water dispersion granula of bakthane |
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| CN (1) | CN1199570C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857670A (en) * | 2016-12-30 | 2017-06-20 | 新昌县赛因斯生物科技有限公司 | Water dispersion granula of bakthane |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376673C (en) * | 2006-04-17 | 2008-03-26 | 江南大学 | Method for preparing immobilized lipase attapulgite clay |
| CN102007903A (en) * | 2010-10-29 | 2011-04-13 | 中国林业科学研究院森林生态环境与保护研究所 | Bacillus thuringiensis virus water dispersible granules and preparation method thereof |
| CN113662016B (en) * | 2021-09-02 | 2022-08-09 | 中国农业科学院植物保护研究所 | Granules, preparation method and application thereof |
-
2003
- 2003-07-24 CN CN 03128382 patent/CN1199570C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857670A (en) * | 2016-12-30 | 2017-06-20 | 新昌县赛因斯生物科技有限公司 | Water dispersion granula of bakthane |
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| Publication number | Publication date |
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| CN1481687A (en) | 2004-03-17 |
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Granted publication date: 20050504 Termination date: 20100724 |