CN104488948A - Pesticide composition containing sterol and dinetofuran - Google Patents
Pesticide composition containing sterol and dinetofuran Download PDFInfo
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- CN104488948A CN104488948A CN201410724847.4A CN201410724847A CN104488948A CN 104488948 A CN104488948 A CN 104488948A CN 201410724847 A CN201410724847 A CN 201410724847A CN 104488948 A CN104488948 A CN 104488948A
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- steroid enol
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Abstract
The invention discloses a pesticide composition containing sterol and dinetofuran. The pesticide composition comprises sterol serving as a first effective component, dinetofuran serving as a second effective component and a common auxiliary component, wherein the weight ratio of sterol to dinetofuran is 20:1 to 1:20. A great number of experiments prove that the pesticide composition has a remarkable synergistic effect, and the preventing and controlling effects for viral diseases on crops are remarkably improved through preventing and controlling vector insects for transiting viruses and through a virus treating effect.
Description
Technical field
The present invention relates to pesticidal preparations and application thereof, specifically a kind of with steroid enol and MTI-446 for active ingredient composition pesticide, be applied to the control of the vector insect of the virus disease on crops and the viral disease that spreads disease.
Background technology
Virus disease worldwide constitutes a serious threat to Crop yield and quality, and according to statistics, the underproduction caused every year reaches 10-30%, economic loss about 20,000,000,000 dollars.China is a large agricultural country, every year because of the about tens billion of unit of economic loss that virus disease causes grain-production, horticultural crop, economic crops etc.Because the popular generation of virus disease is mainly by causing as aphid, leafhopper, plant hopper, aleyrodid etc. pass malicious vector insect by taking viruliferous insect, therefore, single employing prevents and treats the medicament of virus disease, its control efficiency is not satisfactory, can not the virus disease fundamentally controlled on crops cause harm.
Steroid enol is a kind of is natural, efficient, safe plant antiviral agent, its mechanism of action is mainly by changing the activity of nuclease, suppress virus synthesis, thus directly suppress virus replication, it can, by changing the cellular metabolism of host, make virus inoculation rise in value simultaneously, reaches induction host and produces resistance, the object of indirect prevention virus infection, it all has good control efficiency to the various virus diseases on the crops such as paddy rice, tobacco, wheat, cucumber, cotton, tomato.
MTI-446 belongs to third generation nicotinic insecticide, mainly acts on insect neuronal transmission system, make insect benumb thus play insecticidal action, there is super-high-efficient, wide spectrum, consumption be few, toxicity is low, lasting medicine, to crop without the advantage such as poisoning, use safety.This medicament insecticidal spectrum is wide, can effectively prevent eliminating aphis, leafhopper, plant hopper, aleyrodid, scale insect, the various pests such as leaf miner.
The compounded formula screening of the present inventor to steroid enol and MTI-446 conducts in-depth research, surprisingly steroid enol and MTI-446 are carried out composite, within the scope of certain compound proportion, there is obvious synergistic function, in actual use, steroid enol and the composite use of MTI-446 can either prevent and treat the communication media insect of virus disease on crops, therapeutic action can be played to virus disease itself again simultaneously, significantly improve the control efficiency to virus disease, after further study, the present invention is completed.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide containing steroid enol and MTI-446, said composition has obvious synergistic function, by the biography poison vector insect of virus disease and the therapeutic action to virus disease itself on control crops, significantly improve the control efficiency to virus disease on crops.
Technical solution of the present invention: with steroid enol and MTI-446 for active ingredient, the weight ratio of steroid enol and MTI-446 is 20:1 ~ 1:20, steroid enol and the percentage by weight of MTI-446 weight summation in composition pesticide are 1% ~ 85%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
The auxiliary element used in composition pesticide of the present invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc., and to be of value to active ingredient stable and play the known substance of drug effect in the formulation, be all various compositions that are conventional in pesticidal preparations or permission use, concrete composition and consumption are determined by test according to recipe requirements.
Product described in the invention can the form of finished product preparation provide, and namely in composition, each material mixes, and the composition of composition also can the form of single dose provide, and directly mixes in tank or bucket, be then diluted to required concentration before using.The frequency of administration of the present composition and amount of application change with weather conditions and the change of weeds situation, can reach the object of preventing and kill off by using suitable dosage
Composition pesticide of the present invention can be prepared into the multiple application forms being applicable to agriculturally using, and reasonable formulation has suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wetting powder and ultra low volume liquids.
The production technology of the various application forms of composition pesticide of the present invention all belongs to existing known technology, does not repeat them here.
, early stage or the use of disease initial stage of origination should be there is in virus disease when applying, usually adopting the method for spraying to use, also can adopt other operation techniques agriculturally applied as required in composition pesticide provided by the invention.
Compared with prior art, the invention has the advantages that:
1, steroid enol and MTI-446 two kinds of active ingredients are composite has synergistic function, both the communication media insect of virus disease can have been prevented and treated, have therapeutic action again to virus disease itself simultaneously, significantly improve the control efficiency to virus disease, the virus disease pandemic avoided on crops is caused harm.
2, steroid enol and MTI-446 two kinds of composite uses of active ingredient, decrease Pesticide use number of times, reduce use cost, alleviate pollution to environment, have delayed the generation of viral resistance, add the service life of agricultural chemicals.
Embodiment
In order to understand essence of the present invention better; below in conjunction with embodiment, content of the present invention is described further; but can not limitation of the present invention be considered as; the following stated is only for explaining the present invention; for not departing from amendment that the present invention's spirit and principle make, replacement or improvement, all belong to the scope of protection of present invention.
In following each embodiment, each component percentages is weight percentage.
Example of formulations 1:10% steroid enol MTI-446 ultra low volume liquids.
Steroid enol 9%, MTI-446 1%, DMF 20%, styryl phenol polyethenoxy ether 10%, lauryl sodium sulfate 5%, azone 2%, Cotton seed oil complements to 100%.After above-mentioned active ingredient stirring solvent being dissolved, then add emulsifier, wetting agent and bleeding agent, be fully uniformly mixed, 10% steroid enol MTI-446 ultra low volume liquids can be obtained.
Example of formulations 2:30% steroid enol MTI-446 suspending agent.
Steroid enol 20%, MTI-446 10%, calcium dodecyl benzene sulfonate 10%, polyoxyethylene carboxylate 5%, polyethylene glycol 3%, gum Arabic 1%, silicone oil 0.1%, deionized water complements to 100%.By above-mentioned active ingredient, wetting agent, dispersant, antifreezing agent, thickener and defoamer sand milling in high speed shear dispersion, sand mill, the high dispersive formed in water-medium, stable suspension system, can obtain 30% steroid enol MTI-446 suspending agent.
Example of formulations 3:35% steroid enol MTI-446 aqueous emulsion.
Steroid enol 20%, MTI-446 15%, cyclohexanone 20%, phenethyl phenol polyethenoxy ether 10%, fatty acid glyceride APEO 5%, pentaerythrite 1%, glycerine 1%, deionized water complements to 100%.Above-mentioned active ingredient, solvent, emulsifier, dispersant and stabilizing agent are mixed to form oil phase, antifreezing agent dissolves and forms aqueous phase in water, slowly oil phase is added in aqueous phase under clipper effect, and continue to shear about 30 minutes, the steroid enol MTI-446 aqueous emulsion of obtained 35%.
Example of formulations 4:40% steroid enol dinotefuran micron-emulsion.
Steroid enol 15%, MTI-446 25%, DMF 5%, cyclohexanone 15%, castor oil polyoxyethylene ether 10%, pyrogallic acid 2%, organosilicon 1%, azone 2%, deionized water complements to 100%.Active ingredient solvent is dissolved completely, and then add emulsifier, stabilizing agent, bleeding agent, synergist mix, finally add deionized water, after fully stirring, the steroid enol dinotefuran micron-emulsion of 40% can be obtained.
Example of formulations 5:70% steroid enol MTI-446 water dispersible granules.
Steroid enol 40%, MTI-446 30%, lauryl sodium sulfate 5%, alkylphenol polyoxyethylene 10%, urea 2%, kaolin complements to 100%.Above-mentioned active ingredient, wetting agent, dispersant, disintegrant and filler are mixed, pulverize with micro jet, through mediating, then adding in fluidized-bed granulation dryer and carrying out granulation, drying, screening, 70% steroid enol MTI-446 water dispersible granules can be obtained.
Example of formulations 6:80% steroid enol MTI-446 wetting powder.
Steroid enol 50%, MTI-446 30%, lauryl sodium sulfate 10%, aliphatic amine polyoxyethylene ether 5%, kaolin complements to 100%.By above-mentioned, active ingredient, wetting agent, dispersant and filler are mixed, again through air-flow crushing after mechanical crushing, mix, 80% steroid enol MTI-446 wetting powder can be obtained.
Assays Example 1: steroid enol and MTI-446 are to the indoor joint toxicity measuring of stripe disease
At the potted plant susceptible rice varieties of indoor cultivation, when rice shoot grows to 1 leaf 1 heart ~ 2 leaf 1 heart, carry out inoculated identification.Every basin cover is with translucent cover, and top gauze seals, and calculating by every seedling 5 small brown rice planthoppers needs worm amount, accesses for 2 ~ 3 small brown rice planthopper in ages (being with malicious rate about 40%).Expelling parasite every day 2 times, makes tested rice seedling evenly infect by poison.Evenly sprayed by the medicament preparing variable concentrations in on examination seedling, often process 50 strains, repeat for 4 times, after medicine, classification in the 14 days investigation state of an illness, calculates preventive effect, calculates co-toxicity coefficient by EC50 value.
Table 1, steroid enol and MTI-446 are to the indoor joint toxicity measuring result of stripe disease
| Medicament title and proportioning (weight ratio) | EC 50(ppm) | Co-toxicity coefficient |
| Steroid enol | 36.43 | - |
| MTI-446 | - | - |
| Steroid enol: MTI-446 (20:1) | 30.32 | 120.15 |
| Steroid enol: MTI-446 (10:1) | 29.89 | 121.88 |
| Steroid enol: MTI-446 (1:1) | 28.75 | 126.71 |
| Steroid enol: MTI-446 (1:10) | 27.89 | 130.62 |
| Steroid enol: MTI-446 (1:20) | 28.46 | 128.00 |
As shown in Table 1, when steroid enol and MTI-446 are composite in the scope of 20:1 ~ 1:20 (by weight), co-toxicity coefficient is all greater than 120, illustrates and shows synergistic function to stripe disease, visible steroid enol and MTI-446 is composite has reasonability and feasibility.
Assays Example 2: the field control effectiveness test of steroid enol and the composite water prevention rice stripe of MTI-446.
First time dispenser after rice transplanting 20-30d, interval 7d dispenser again, altogether dispenser 3 times.Respectively at 7d, 14d investigation result after three dispensers, statistics disease index, calculates preventive effect.
As shown in Table 2,7d, 14d after three dispensers, 30% MTI-446 steroid enol suspending agent (example of formulations 2) uses 200-250g.a.i./ha will be used alone significantly better than 20% MTI-446 soluble granule and 1% steroid enol aqua the control efficiency of stripe disease, preventive effect all reaches more than 80%, does not find that this compound drug produces poisoning to paddy rice in pilot survey process simultaneously.
Table 2,30% MTI-446 steroid enol suspending agent are to the field control effectiveness test result of stripe disease
In sum, the present invention adopts steroid enol and the composite composition pesticide of MTI-446 two kinds of active ingredients, there is synergistic function, both the communication media insect of virus disease can have been prevented and treated, again there is therapeutic action to virus disease itself simultaneously, significantly improve the control efficiency to virus disease, and the lasting period is long, to crop safety, be worth applying in agricultural production.
Claims (5)
1. contain a composition pesticide for steroid enol and MTI-446, it is characterized in that: active ingredient is steroid enol and MTI-446, the weight ratio of steroid enol and MTI-446 is 20:1 ~ 1:20.
2. a kind of composition pesticide containing steroid enol and MTI-446 according to claim 1, it is characterized in that: steroid enol and the percentage by weight of MTI-446 weight summation in composition pesticide are 1% ~ 85%, all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
3. a kind of composition pesticide containing steroid enol and MTI-446 according to claim 1, is characterized in that: its formulation can be the one in suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wetting powder and ultra low volume liquids.
4. a kind of composition pesticide containing steroid enol and MTI-446 according to claim 1, is characterized in that the virus disease of preventing and treating on crops and the application spread disease in the vector insect of viral disease.
5. a kind of composition pesticide containing steroid enol and MTI-446 according to claim 4, is characterized in that: described crops are paddy rice.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410724847.4A CN104488948A (en) | 2014-12-03 | 2014-12-03 | Pesticide composition containing sterol and dinetofuran |
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| CN201410724847.4A CN104488948A (en) | 2014-12-03 | 2014-12-03 | Pesticide composition containing sterol and dinetofuran |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018114409A1 (en) * | 2016-12-19 | 2018-06-28 | Basf Se | High load granular dinotefuran formulation with reduced eye irritancy |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563929A (en) * | 2013-10-18 | 2014-02-12 | 陕西上格之路生物科学有限公司 | Antiviral composition containing daucosterol and sitosterol and antiviral application of antiviral composition |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563929A (en) * | 2013-10-18 | 2014-02-12 | 陕西上格之路生物科学有限公司 | Antiviral composition containing daucosterol and sitosterol and antiviral application of antiviral composition |
Non-Patent Citations (1)
| Title |
|---|
| 陆玉荣: "水稻条纹叶枯病的发生与水稻品种的关系以及条纹病毒检测与控制技术研究", 《中国优秀硕士论文全文数据库农业科技辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018114409A1 (en) * | 2016-12-19 | 2018-06-28 | Basf Se | High load granular dinotefuran formulation with reduced eye irritancy |
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Application publication date: 20150408 |