CN101496526A - Pesticide suspending agent containing Spodoptera exigua nucleopolyhedrovirus and Tebufenozide - Google Patents
Pesticide suspending agent containing Spodoptera exigua nucleopolyhedrovirus and Tebufenozide Download PDFInfo
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- CN101496526A CN101496526A CNA200910119623XA CN200910119623A CN101496526A CN 101496526 A CN101496526 A CN 101496526A CN A200910119623X A CNA200910119623X A CN A200910119623XA CN 200910119623 A CN200910119623 A CN 200910119623A CN 101496526 A CN101496526 A CN 101496526A
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Abstract
The invention relates to a pesticide suspending agent, which is characterized in that the pesticide suspending agent is prepared from the following raw materials in proportion by weight: 0.5 to 2 billion PIB of Spodoptera exigua nucleopolyhedrovirus per milliliter, 3 to 10 percent of tebufenozide, 1 to 4 percent of wetting dispersant, 1 to 3 percent of emulsifier, 1 to 5 percent of solvent or cosolvent, 1 to 5 percent of filler or carrier, 0 to 0.8 percent of fluorescent whitening agent, 0.1 to 1 percent of pH regulator, and the balance being water.
Description
Technical field
The wood invention relates to a kind of agricultural chemicals suspension agent, particularly relates to a kind of agricultural chemicals suspension agent that comprises Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides.
Background technology
Beet armyworm is nearly hundred kinds of crops such as the important pests on China's agricultural, main harm vegetables, soybean, causes great economic loss for vegetable grower and peasant.In the past, beet armyworm is only taken place at China's southern area, and harm also only limits to the vegetables field, and is intermittent the generation.In recent years, along with the influence of global warming and other factors, generation of beet armyworm and harm are the trend that increases the weight of year by year.At present, beet armyworm not only becomes the primary pest on China vegetables, and seriously outburst on crops such as soybean, cotton.Because the beet armyworm reproduction speed is fast, take place from generation to generation manyly, and the control of beet armyworm for many years is mainly based on chemical control, thereby causes beet armyworm that the number of chemical agricultural chemicals has been produced serious resistance.Therefore, the new effective environmentally friendly formulation of insecticides of preventing and treating beet armyworm of development just seems particularly urgent.
Spodoptera exigua nucleopolyhedrovirusand (Spodoptera exigua nucleopolyhedrovirus SeNPV) belongs to the baculoviral coe virus, be the World Food Programme recommend can be used for one of safe biologic of biological control.Under Electronic Speculum, observe, virus polyhedron form is variforms such as circle, quadrangle, pentagon, its mean size is 1.45um, it is shaft-like that virion is, the blunt circle in two ends, size is 347nm * 117.5nm, and virion is a multinuclear capsid embedding type, contains 1-4 nucleocapsid in each virion.Spodoptera exigua nucleopolyhedrovirusand obviously is better than other baculoviral to the desinsection speed of targeted insect.Spodoptera exigua nucleopolyhedrovirusand to 1,2,3 age beet exigua larvae half lethal time (LT
50) all less than 4 days, have good using value.Spodoptera exigua nucleopolyhedrovirusand is forgiven content 5-20 hundred million PIB/ml (protein inclusion body or viral inclusion body) in the formulation.
Worm hydrazides (tebufenozide), chemical name are the N-tert-butyl group-N '-(4-ethylamino benzonitrile acyl group)-3, and 5-dimethyl benzene hydrazides belongs to the moulting hormone insecticides.The worm hydrazides casts off a skin insect and dead by the normal development of interference insect, and this medicament has the insecticidal activity height, selectivity is strong, and is all effective to all lepidopterous larvaes, and extremely strong ovicidal activity is arranged, safer to non-target organism.
The relevant report that does not at present also have relevant Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides to be mixed more is not mixed Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides and makes the relevant report of suspending agent.The inventor furthers investigate Spodoptera exigua nucleopolyhedrovirusand and being mixed of worm hydrazides, not only successfully be mixed and make the stable insecticide suspending agent that comprises Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides, and find surprisingly, the suspending agent preparation that comprises Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides is compared the working concentration that has reduced medicament with each single agent, save drug cost, but also shortened the LT of medicament
50, improved the quick-acting of medicine, have clear superiority in actual applications.。
Summary of the invention
The application's goal of the invention is to provide a kind of component reasonable, good stability, control efficiency excellence, and the low agricultural chemicals suspension agent that comprises Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides of drug cost.
Another object of the present invention is to provide the purposes that this agricultural chemicals suspension agent is used to prevent and treat beet armyworm.
Technical scheme of the present invention is as described below:
A kind of agricultural chemicals suspension agent is characterized in that, it is to be made by following materials of weight proportions:
Spodoptera exigua nucleopolyhedrovirusand: 5-20 hundred million PIB/mL;
Worm hydrazides: 3-10%;
Wetting dispersing agent: 1-4%;
Emulsifier: 1-3%;
Solvent or cosolvent: 1-5%;
Filler or carrier: 1-5%;
Fluorescent whitening agent: 0-0.8%;
PH regulator agent: 0.1-1%;
Surplus is a water.
Wherein, wetting dispersing agent is preferably anionic dispersing agent, for example lignosulfite, sodium lignin sulfonate, calcium lignosulfonate, lauryl sodium sulfate etc.Wetting dispersing agent is lauryl sodium sulfate more preferably.
Emulsifier is preferably aliphatic alcohol polyethenoxy base ether, alkylphenol polyoxyethylene, styryl phenol polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, castor oil polyoxyethylene ether, fatty acid polyglycol oxy alkylene ester, alkylaryl sulfonates etc., for example 2201, agricultural newborn 0203B, 0201B, 6202B, agricultural newborn OX-2568,500#, 600#, 700#, 6201,602,790,1602,1303,603 etc.Emulsifier can be the mixed of one or more.The more preferably agricultural newborn 500# of emulsifier.
Solvent and cosolvent are preferably aromatic hydrocarbons, aliphatic hydrocarbon, ethers, phenols, alcohols etc., for example the mixture of one or more in benzene,toluene,xylene, benzinum, methyl alcohol, ethanol, propane diols, n-butanol, isooctanol, isoamyl alcohol, ethyl acetate, chloroform, kerosene, methyl-sulfoxide, the phenol etc.Solvent and cosolvent be the mixture of propane diols and isooctanol more preferably.
Carrier (filler) has kaolin, atlapulgite, diatomite, mud coal, precipitated calcium carbonate, active carbon white, pyrophillite, talcum powder, calcite etc.Preferred carrier is an active carbon white.
The pH value conditioning agent has sodium hydroxide, potassium hydroxide, hydrochloric acid, acetic acid etc., and general consumption accounts for 0.1-1wt%.
In above-mentioned suspending agent formula, also can choose conventional auxiliary agents such as adding thickener, antifreezing agent, defoamer wantonly.
Manufacture craft of the present invention is: the former medicine of worm hydrazides and each auxiliary agent mixing are pulverized, added Spodoptera exigua nucleopolyhedrovirusand then, after stirring, sample analysis gets final product packing after qualified.
The present invention has following beneficial effect: the compatibility of (1) Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides, shortened the LT of medicament
50, quickened the quick-acting of medicament, and compared with single agent, significantly improved the pest control effect of medicament, improved the biological control level of insect conscientiously; (2) reduced the consumption of Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides, saved cost, reduced the pollution of medicament simultaneously, delayed the generation of pest resistance to insecticide environment; (3) after product is made suspending agent, saved the use of organic solvent and filler, can greatly alleviate destruction, reduced toxic action pest natural enemy to ecotope.
Embodiment:
The invention will be further described below in conjunction with embodiment, but the present invention never is limited to following embodiment.Wherein, unless otherwise indicated, each percentage of forming all refers to percentage by weight.
Example of formulations 1:
Spodoptera exigua nucleopolyhedrovirusand: 2,000,000,000 PIB/mL
Worm hydrazides: 3%
Lauryl sodium sulfate: 2%
The newborn 500#:2% of farming
Propane diols: 2%
Isooctanol: 1%
Active carbon white: 2%
Fluorescent whitening agent: 0.3%
PH regulator agent: 0.5%
Surplus is a water.
Example of formulations 2:
Spodoptera exigua nucleopolyhedrovirusand: 1,000,000,000 PIB/mL
Worm hydrazides: 5%
Lauryl sodium sulfate: 2.5%
The newborn 500#:1.5% of farming
Propane diols: 2%
Isooctanol: 1%
Active carbon white: 2%
Fluorescent whitening agent: 0.5%
PH regulator agent: 0.3%
Surplus is a water.
Biological Examples 1:
Adopt leaf dipping method, measure Spodoptera exigua nucleopolyhedrovirusand, worm hydrazides and embodiment medicament indoor virulence respectively, utilize the Abbott formula correction respectively to handle lethality, calculate for convenience, 1 * 10 to beet armyworm
9The PIB/g Spodoptera exigua nucleopolyhedrovirusand is as former medicine, and content is 100%, and content of effective in the embodiment medicament is expressed as mg/L, calculates virulence regression equation and LC
50And LT
50With reference to the method for Mansour, will cause the dead 25% (LC of examination worm then by Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides medicament
25) dosage mix the calculation correction preventive effect with 1:1.Calculate the malicious factor altogether by following formula.
Annotate: the malicious factor 〉=+20 expressions have synergistic effect altogether, and≤-20 expressions have antagonism ,-20～+ 20 expression summation actions.
Reagent agent the results are shown in following table 1 to the Toxicity Determination of beet exigua larvae:
Table 1
The result of indoor bioassay shows that the common malicious factor behind two kinds of composite reagents of Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides is 64.30, and the lethal concentration of 50 (LC of its mixture preparation
50) obviously little than the single agent of pure virus, show significant synergistic effect.From table, it can also be seen that embodiment medicament 1 and 2 LT
50LT than viral single agent
50Two days have been shortened.Illustrate that the present invention both can reduce dosage, can quicken the quick-acting of medicament again.
Biological Examples 2:
Field efficacy for checking embodiment medicament 1 and 2, respectively on September 10th, 2008 in Mt vegetables field, Baiyun District, Guangzhou City with carried out the field control effectiveness test of these two kinds of medicaments on September 25th, 2008 in the pure and fresh vegetables of Qingyuan City base, adopt five point samplings, investigation in 3 days, 5 days, 7 days, 14 days borer population alive adopts following formula to calculate control efficiency behind medicine.
The embodiment medicament sees Table 2 to the field efficacy measurement result of beet exigua larvae:
Table 2
As can be seen from Table 2, Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides are composite shows very outstanding control action to beet armyworm.Behind the medicine 3 days, the preventive effect of embodiment medicament 1 and 2 pairs of beet armyworms reached 55.6%, 56.3% respectively, a little less than the preventive effect of worm hydrazides list agent, but obviously was better than the single agent of beet armyworm virus; Behind the medicine 5 days, embodiment medicament 1 and 2 drug effect reached the highest, and its preventive effect is respectively 81.6% and 83.2%, is significantly higher than the preventive effect of list agent of worm hydrazides and the agent of Spodoptera exigua nucleopolyhedrovirusand list.Behind the medicine 14 days, embodiment medicament 1 and 2 drug effect still remained on more than 65%.
Claims (10)
1. agricultural chemicals suspension agent is characterized in that it is made by following materials of weight proportions: Spodoptera exigua nucleopolyhedrovirusand: 5-20 hundred million PIB/mL; Worm hydrazides: 3-10%; Wetting dispersing agent: 1-4%; Emulsifier: 1-3%; Solvent or cosolvent: 1-5%; Filler or carrier: 1-5%; Fluorescent whitening agent: 0-0.8%; PH regulator agent: 0.1-1%; Surplus is a water.
2. according to the agricultural chemicals suspension agent of claim 1, it is characterized in that wetting dispersing agent is preferably lignosulfite, sodium lignin sulfonate, calcium lignosulfonate or lauryl sodium sulfate.
3. according to the agricultural chemicals suspension agent of claim 1 or 2, it is characterized in that wetting dispersing agent lauryl sodium sulfate more preferably.
4. according to the agricultural chemicals suspension agent of claim 1-3, it is characterized in that emulsifier is preferably 2201, agricultural newborn 0203B, 0201B, 6202B, agricultural newborn OX-2568,500#, 600#, 700#, 6201,602,790,1602,1303 or 603.
5. according to the agricultural chemicals suspension agent of claim 1-4, it is characterized in that the more preferably agricultural newborn 500# of emulsifier.
6. according to the agricultural chemicals suspension agent of claim 1-5, it is characterized in that solvent and cosolvent are preferably the mixture of propane diols and isooctanol, carrier is preferably active carbon white.
7. according to the agricultural chemicals suspension agent of claim 1-6, it is characterized in that also further optional thickener, antifreezing agent or the defoamer of comprising of this agricultural chemicals suspension agent.
8. according to the agricultural chemicals suspension agent of claim 1, it is characterized in that it is made by following materials of weight proportions: Spodoptera exigua nucleopolyhedrovirusand: 2,000,000,000 PIB/mL; Worm hydrazides: 3%; Lauryl sodium sulfate: 2%; The newborn 500#:2% of farming; Propane diols: 2%; Isooctanol: 1%; Active carbon white: 2%; Fluorescent whitening agent: 0.3%; PH regulator agent: 0.5%; Surplus is a water.
9. according to the agricultural chemicals suspension agent of claim 1, it is characterized in that it is made by following materials of weight proportions: Spodoptera exigua nucleopolyhedrovirusand: 1,000,000,000 PIB/mL; Worm hydrazides: 5%; Lauryl sodium sulfate: 2.5%; The newborn 500#:1.5% of farming; Propane diols: 2%; Isooctanol: 1%; Active carbon white: 2%; Fluorescent whitening agent: 0.5%; PH regulator agent: 0.3%; Surplus is a water.
10. Spodoptera exigua nucleopolyhedrovirusand and worm hydrazides are used to prepare the purposes of the quick-acting composition pesticides of synergy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910119623XA CN101496526B (en) | 2009-03-24 | 2009-03-24 | Pesticide suspending agent containing Spodoptera exigua nucleopolyhedrovirus and Tebufenozide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910119623XA CN101496526B (en) | 2009-03-24 | 2009-03-24 | Pesticide suspending agent containing Spodoptera exigua nucleopolyhedrovirus and Tebufenozide |
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| CN101496526A true CN101496526A (en) | 2009-08-05 |
| CN101496526B CN101496526B (en) | 2011-06-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174833A (en) * | 2017-12-29 | 2018-06-19 | 广东环境保护工程职业学院 | A kind of heliothis armigera nuclear polyhedrosis virus self propagation device and method |
| CN108464312A (en) * | 2018-03-22 | 2018-08-31 | 仲恺农业工程学院 | Biochemical compound pesticide preparation for preventing and treating beet armyworm and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1346886A (en) * | 2001-09-07 | 2002-05-01 | 武汉普洛森生物制剂有限公司 | Spodoptera exigua Multi-nucleocapside Nucleopolyedrovirus and its bioinsecticide |
| CN1176213C (en) * | 2002-05-31 | 2004-11-17 | 中国科学院武汉病毒研究所 | Insecticide suspension of beet noctuid polyhedron virus |
-
2009
- 2009-03-24 CN CN200910119623XA patent/CN101496526B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174833A (en) * | 2017-12-29 | 2018-06-19 | 广东环境保护工程职业学院 | A kind of heliothis armigera nuclear polyhedrosis virus self propagation device and method |
| CN108174833B (en) * | 2017-12-29 | 2020-12-01 | 广东环境保护工程职业学院 | Cotton bollworm nuclear polyhedrosis virus self-propagation device and method |
| CN108464312A (en) * | 2018-03-22 | 2018-08-31 | 仲恺农业工程学院 | Biochemical compound pesticide preparation for preventing and treating beet armyworm and preparation method thereof |
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| CN101496526B (en) | 2011-06-15 |
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Address after: 510460, No. 10 Daling South Road, Baiyun District, Guangdong, Guangzhou Patentee after: Guangzhou Biological Control Station Co.,Ltd. Patentee after: GUANGZHOU ZHONGDA BIOENGINEERING Co.,Ltd. Address before: 510460, No. 10 Daling South Road, Baiyun District, Guangdong, Guangzhou Patentee before: Guangzhou Biological Control Station Patentee before: GUANGZHOU ZHONGDA BIOENGINEERING Co.,Ltd. |
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Effective date of registration: 20231013 Address after: No. 10 Daling South Road, Baiyun District, Guangzhou City, Guangdong Province, 510460, self-made No. 2 Patentee after: GUANGZHOU ZHONGDA BIOENGINEERING Co.,Ltd. Address before: 510460, No. 10 Daling South Road, Baiyun District, Guangdong, Guangzhou Patentee before: Guangzhou Biological Control Station Co.,Ltd. Patentee before: GUANGZHOU ZHONGDA BIOENGINEERING Co.,Ltd. |
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