CN104824015A - Agricultural composition containing pyridine quinazoline and dufulin - Google Patents
Agricultural composition containing pyridine quinazoline and dufulin Download PDFInfo
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- CN104824015A CN104824015A CN201510208024.0A CN201510208024A CN104824015A CN 104824015 A CN104824015 A CN 104824015A CN 201510208024 A CN201510208024 A CN 201510208024A CN 104824015 A CN104824015 A CN 104824015A
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- pyridine quinazoline
- fluorine phosphorus
- malicious fluorine
- quinazoline
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Abstract
The invention discloses an agricultural composition containing pyridine quinazoline and dufulin. The composition comprises a first effective component (pyridine quinazoline), a second effective component (dufulin), and usual auxiliary components, wherein the weight ratio of pyridine quinazoline to dufulin is 1:1-1:20. The results of a great number of experiments show that the provided agricultural composition has a prominent synergetic effect. By controlling the vector insects that spread the plant viruses and treating the virus diseases at the same time, the control effect on the plant virus diseases is prominently improved.
Description
Technical field
The present invention relates to a kind of composition pesticide, specifically a kind of composition pesticide that is active ingredient with pyridine quinazoline and malicious fluorine phosphorus, is applicable to control crop disease viral disease.
Background technology
The viroses of plant are by the parasitogenic disease of plant virus, and often cause heavy loss to agricultural production, 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.
Pyridine quinazoline (Pyrifluquinazon), belong to novel quinazoline quinoline insecticides, the mechanism of action stops insect feed, until insect is slowly died of hunger, to be mainly used on the crop such as control vegetables, fruit tree and tealeaves the sucking mouthpart insects such as Phytophthira, aleyrodid class, shell insects, leafhopper class, thrips class, significantly can reduce the propagation of viral vectors, this compound can penetrate blade face completely, also can reach the object of effective prevention and control to the insect of predation and perch below blade face.
Poison fluorine phosphorus is the novel anti-plant virus agent of a kind of fluorine-containing amino phosphonate ester, by activating tobacco bigcatkin willow acid signal conduction path, improving the salicylic content of signaling molecule, thus promoting the expression of downstream pathogenesis-related proteins; Anti-virus ability is obtained by evoking tobacco PAL, POD and SOD Defense Enzyme Activities; The invasion of virus to host is reduced by assembling virion.It has excellent control efficiency to the virus disease on the crops such as tobacco, cucumber, tomato and paddy rice.
The compounded formula screening of the present inventor to pyridine quinazoline and malicious fluorine phosphorus conducts in-depth research, surprisingly pyridine quinazoline and malicious fluorine phosphorus carry out composite, within the scope of certain compound proportion, there is significant synergistic function, in actual use, pyridine quinazoline and the composite use of malicious fluorine phosphorus can either prevent and treat the communication media insect of the viroses of plant, therapeutic action can be played to virus disease itself again simultaneously, significantly improve the control efficiency to the viroses of plant, 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 pyridine quinazoline and malicious fluorine phosphorus, said composition has significant synergistic function, by preventing and treating the biography poison vector insect of the viroses of plant and the therapeutic action to virus disease itself, significantly improve the control efficiency to the viroses of plant.
The technical scheme of the present invention formed on this basis: a kind of composition pesticide containing pyridine quinazoline and malicious fluorine phosphorus, active ingredient is pyridine quinazoline and malicious fluorine phosphorus, the weight ratio of pyridine quinazoline and malicious fluorine phosphorus is 1:1 ~ 1:20, pyridine quinazoline and the percentage by weight of malicious fluorine phosphorus weight summation in composition pesticide are 1 ~ 85%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Described auxiliary element is one or more the combination in solvent, emulsifier, wetting agent, dispersant, stabilizing agent, antifreezing agent, thickener, disintegrant, binding agent, defoamer, bleeding agent, synergist, fire retardant, density adjuster and filler, above material is known substance conventional in pesticidal preparations, change to some extent according to being prepared into the different formulations of pesticide, but be not particularly limited.
Composition pesticide of the present invention can be prepared into any one formulation that applicable agricultural production uses by known method, 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 described composition pesticide all belongs to existing known technology, does not repeat them here.
The frequency of administration of composition pesticide of the present invention and amount of application change with crops, insect, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
The target plant that the present invention is applicable to is paddy rice, corn, sugarcane, rape, tobacco, peanut, soybean, tomato, capsicum, potato, melon, wild cabbage, strawberry, lichee, longan, jujube tree, cotton, banana, Momordica grosvenori and forest etc.
It is sick that the present invention is applicable to control southern rice black-streaked dwarf, black streaked dwarf virus of rice, rice stunt, yellow stunt of rice, rice gall dwarf virus disease, Rice Orange Leaf Disease, the short disease of paddy rice tooth, stripe disease, yellow stunt of wheat, wheat rosette stunt, wheat soil-borne mosaic, Wheat Yellow mosaic disease, wheat shuttle streak mosaic disease, wheat red stunt, wheat streak mosaic, MRDV, mosaic of sugarcane, sugarcane yellow leaf, sugarcane bacilliform virus is sick, tobacco mosaic viruses is sick, tobacco cucumber mosaic virus is sick, tobacco potato Y virus is sick, Strawberry mottle virus is sick, strawberry light yellow edge virus is sick, strawberry crinkle virus is sick, strawberry veinbanding virus is sick, peanut stripe viruses is sick, peanut Cucumber Mosaic Virus, peanut stunt viral disease, peanut sprout rot poison, soybean Mosaic, soybean alfalfa mosaic viral disease, tomato virus disease, potato virus disease, pepper virus disease, banana bunchy top disease, Longan and Litchi witches' broom disease, Momordica grosvenori virus disease, jujube tree jujube witches broom, and the communication media of virus disease: plant hopper, aphid, aleyrodid, leafhopper, stinkbug silk worm, scale insect, wood louse and thrips etc.
Compared with prior art, the invention has the advantages that:
1, pyridine quinazoline and malicious fluorine phosphorus two kinds of active ingredients are composite has significant synergistic function, both can prevent and treat the communication media insect of the viroses of plant, have therapeutic action again simultaneously to virus disease itself, significantly improve the control efficiency to virus disease.
2, pyridine quinazoline and two kinds of composite uses of active ingredient of malicious fluorine phosphorus, 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.
(1) Formulation Example
In following each embodiment, each component percentages is weight percentage.
Embodiment 1:10% pyridine quinazoline poison fluorine phosphorus ultra low volume liquids.
Pyridine quinazoline 4%, malicious fluorine phosphorus 6%, durene 5%, 1-METHYLPYRROLIDONE 10%, castor oil polyoxyethylene ether 5%, lauryl sodium sulfate 5%, ooze T 2% soon, methyl oleate 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% pyridine quinazoline poison fluorine phosphorus ultra low volume liquids can be obtained.
Embodiment 2:22% pyridine quinazoline poison fluorine phosphorus suspending agent
Pyridine quinazoline 2%, malicious fluorine phosphorus 20%, aerosol-OT salt 10%, acrylate homopolymer sodium salt 5%, glycerine 3%, methylcellulose 1%, silicone oil 0.1%, deionized water supplies 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 22% pyridine quinazoline poison fluorine phosphorus suspending agent.
Embodiment 3:33% pyridine quinazoline poison fluorine phosphorus aqueous emulsion.
Pyridine quinazoline 3%, malicious fluorine phosphorus 30%, methyl naphthalene 10%, cyclohexanone 5%, terminal hydroxy group polyoxyethylene poly-oxygen propylene aether 10%, polycarboxylate 5%, sodium citrate 1%, glycerine 1%, deionized water supplies 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 pyridine quinazoline poison fluorine phosphorus aqueous emulsion of obtained 33%.
Embodiment 4:40% pyridine quinazoline poison fluorine phosphorus microemulsion.
Pyridine quinazoline 5%, malicious fluorine phosphorus 35%, trimethylbenzene 10%, cyclohexanone 5%, terminal hydroxy group polyoxyethylene poly-oxygen propylene aether 10%, sodium citrate 2%, organosilicon 1%, azone 2%, deionized water supplies 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 pyridine quinazoline poison fluorine phosphorus microemulsion of 40% can be obtained.
Embodiment 5:55% pyridine quinazoline poison fluorine phosphorus water dispersible granules.
Pyridine quinazoline 5%, malicious fluorine phosphorus 50%, Nekal BX 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 10%, sodium hexametaphosphate 2%, kaolin supplies 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, 55% pyridine quinazoline poison fluorine phosphorus water dispersible granules can be obtained.
Embodiment 6:70% pyridine quinazoline poison fluorine phosphorus wetting powder.
Pyridine quinazoline 30%, malicious fluorine phosphorus 40%, neopelex 10%, rosin segmented APEO polyoxypropylene ether sulfonate 5%, attapulgite supplies 100%.By above-mentioned, active ingredient, wetting agent, dispersant and filler are mixed, again through air-flow crushing after mechanical crushing, mix, 70% pyridine quinazoline poison fluorine phosphorus wetting powder can be obtained.
(2) the indoor biological determination of activity of the present composition and field efficacy checking
Embodiment 7: to the indoor joint toxicity measuring test 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, uses EC
50value calculates co-toxicity coefficient.
Table 1, pyridine quinazoline and malicious fluorine phosphorus are to the indoor joint toxicity measuring result of stripe disease
| Medicament title and proportioning (weight ratio) | EC 50(ppm) | Co-toxicity coefficient |
| Poison fluorine phosphorus | 43.82 | 100.00 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:1) | 35.67 | 122.85 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:5) | 34.71 | 126.25 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:10) | 31.58 | 138.76 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:15) | 32.95 | 132.99 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:20) | 34.52 | 126.94 |
As shown in Table 1, pyridine quinazoline and malicious fluorine phosphorus composite in the scope of 1:1 ~ 1:20 (by weight) time, co-toxicity coefficient is all greater than 120, illustrates and shows synergistic function to stripe disease; Especially composite with 1:10 (by weight), synergistic function is the most remarkable, and co-toxicity coefficient is 138.76.Visible pyridine quinazoline and malicious fluorine phosphorus is composite has reasonability and feasibility.
Embodiment 8: to the indoor joint toxicity measuring test of tobacco mosaic virus disease.
Indoor pot tobacco susceptible variety plant to the 4-5 leaf phase, the tobacco disease leaf infecting TMV is shredded and puts into mortar, add 0.02M (PH7.0) phosphate buffer of 8 times of sick leaf weight, grind to form pulpous state, add a little diatomite subsequently, mill connects tobacco leaf, rinses the blade of inoculation after inoculation with water.2-3hr after blade dries, evenly sprays the medicament preparing variable concentrations in on examination plant, often processes 3 strains, every strain 3 leaves, repeat 4 times, 4 days " Invest, Then Investigate " withered spot numbers, calculate scab inhibiting rate (preventive effect), use EC
50value calculates co-toxicity coefficient.
Table 2, pyridine quinazoline and malicious fluorine phosphorus are to the indoor joint toxicity measuring result of tobacco mosaic virus disease
| Medicament title and proportioning (weight ratio) | EC 50(ppm) | Co-toxicity coefficient |
| Poison fluorine phosphorus | 41.64 | 100.00 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:1) | 33.92 | 122.76 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:5) | 31.86 | 130.70 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:10) | 30.41 | 136.93 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:15) | 32.57 | 127.85 |
| Pyridine quinazoline: malicious fluorine phosphorus (1:20) | 34.07 | 122.22 |
As shown in Table 2, pyridine quinazoline and malicious fluorine phosphorus composite in the scope of 1:1 ~ 1:20 (by weight) time, co-toxicity coefficient is all greater than 120, illustrates and shows synergistic function to tobacco mosaic virus disease; Especially composite with 1:10 (by weight), synergistic function is the most remarkable, and co-toxicity coefficient is 136.93.Visible pyridine quinazoline and malicious fluorine phosphorus is composite has reasonability and feasibility.
Embodiment 9: the field control effectiveness test of control of maize rough dwarf disease.
Start to spray the 1st time medicine when emergence of corn has just launched 1 leaf, afterwards every spray in 1 week 1 time, spray 5 times altogether, 20d experimental investigation result after the 5th spray medicine.According to data correlation study standard grading, statistics disease index, calculates preventive effect.
Table 3, respectively process field control effectiveness test result to MRDV
As shown in Table 3,20d after the 5th spray medicine, 22% malicious fluorine phosphorus pyridine quinazoline suspending agent, 55% malicious fluorine phosphorus pyridine quinazoline water dispersible granules and 33% malicious fluorine phosphorus pyridine quinazoline aqueous emulsion will be used alone significantly better than 30% malicious fluorine phosphorus wetting powder and 20% pyridine quinazoline suspending agent the control efficiency of MRDV, preventive effect all reaches more than 85%, does not find that compound drug produces poisoning to corn in pilot survey process simultaneously.
Embodiment 10: the field control effectiveness test of control pepper virus disease.
Within 1 week, start to spray the 1st time medicine after slow seedling in capsicum field planting, afterwards every spray in 1 week 1 time, spray 5 times altogether, 10d experimental investigation result after the 5th spray medicine.According to data correlation study standard grading, statistics disease index, calculates preventive effect.
Table 4, respectively process field control effectiveness test result to pepper virus disease
As shown in Table 4,10d after the 5th spray medicine, 22% malicious fluorine phosphorus pyridine quinazoline suspending agent, 55% malicious fluorine phosphorus pyridine quinazoline water dispersible granules and 33% malicious fluorine phosphorus pyridine quinazoline aqueous emulsion will be used alone significantly better than 30% malicious fluorine phosphorus wetting powder and 20% pyridine quinazoline suspending agent the control efficiency of pepper virus disease, preventive effect all reaches more than 85%, does not find that compound drug produces poisoning to capsicum in pilot survey process simultaneously.
Embodiment 11: the field control effectiveness test of control tomato virus disease.
Start to spray the 1st time medicine in tomato their early stage, afterwards every spray in 1 week 1 time, spray 3 times altogether, 14d experimental investigation result after the 3rd spray medicine.According to data correlation study standard grading, statistics disease index, calculates preventive effect.
Table 5, respectively process field control effectiveness test result to tomato virus disease
As shown in Table 5,14d after 3rd spray medicine, 22% malicious fluorine phosphorus pyridine quinazoline suspending agent, 55% malicious fluorine phosphorus pyridine quinazoline water dispersible granules and 33% malicious fluorine phosphorus pyridine quinazoline aqueous emulsion will be used alone significantly better than 30% malicious fluorine phosphorus wetting powder and 20% pyridine quinazoline suspending agent the control efficiency of tomato virus disease, preventive effect all reaches more than 85%, does not find that compound drug produces poisoning to tomato in pilot survey process simultaneously.
In sum, the present invention adopts pyridine quinazoline and the composite composition pesticide preventing and treating the viroses of plant of malicious fluorine phosphorus two kinds of active ingredients, there is significant 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 (3)
1. one kind contains the composition pesticide of pyridine quinazoline and malicious fluorine phosphorus, it is characterized in that: active ingredient is pyridine quinazoline and malicious fluorine phosphorus, the weight ratio of pyridine quinazoline and malicious fluorine phosphorus is 1: 1 ~ 1: 20, and pyridine quinazoline and the percentage by weight of malicious fluorine phosphorus weight summation in composition pesticide are 1 ~ 85%.
2. a kind of composition pesticide containing pyridine quinazoline and malicious fluorine phosphorus according to claim 1, is characterized in that: the formulation of described composition pesticide when practical application is the one in suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wetting powder and ultra low volume liquids.
3. a kind of composition pesticide containing pyridine quinazoline and malicious fluorine phosphorus according to claim 1 is preventing and treating the application in crop disease viral disease.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006106798A1 (en) * | 2005-03-30 | 2006-10-12 | Nihon Nohyaku Co., Ltd. | Pest control agent and method of using the same |
| CN102428956A (en) * | 2011-11-04 | 2012-05-02 | 广西田园生化股份有限公司 | Insecticidal antivirus composition based on Dufulin and insecticide |
| CN102858161A (en) * | 2010-04-27 | 2013-01-02 | 先正达参股股份有限公司 | Methods of controlling neonicotinoid resistant aphids |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006106798A1 (en) * | 2005-03-30 | 2006-10-12 | Nihon Nohyaku Co., Ltd. | Pest control agent and method of using the same |
| CN102858161A (en) * | 2010-04-27 | 2013-01-02 | 先正达参股股份有限公司 | Methods of controlling neonicotinoid resistant aphids |
| CN102428956A (en) * | 2011-11-04 | 2012-05-02 | 广西田园生化股份有限公司 | Insecticidal antivirus composition based on Dufulin and insecticide |
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Application publication date: 20150812 |