CN103548838A - Single-dose pymetrozine and composition thereof - Google Patents

Abstract

The invention discloses single-dose pymetrozine. The single-dose pymetrozine comprises 10-80wt% of a pymetrozine solution, and can be processed to prepare a water dispersible granule of pymetrozine, a pymetrozine suspension and a wettable pulvis of pymetrozine. A pesticide composition containing pymetrozine comprises pymetrozine and thiacloprid, and a mass ratio of pymetrozine to thiacloprid is 80:1-1:80. Pymetrozine is prepared by extracting from a natural plant source raw material and processing, has the advantages of no pollution, no residual, advanced technology, good control effect and no influences on the quality of agricultural products, can be widely used in crops comprising grain crops, rice, corn, cotton, vegetables, fruits and the like, has active control effects on sucking pests of Heteroptera, Thysanoptera, Homoptera, Diptera and the like and harmful to the growth of the crops, such as plant hoppers, thrips, cicadas, leafhoppers, whiteflies, psyllids, aphids, scale insects, wheat midge, rice gall midges, mites, and is a new environmentally-friendly pesticide at present in China.

Description

Pymetrozine single dose and composition thereof

Technical field

The present invention relates to insecticide, be specifically related to pymetrozine single dose and composition thereof.

Background technology

In recent years, people more and more note the sustainable development of agricultural production and the coordinated development of human and environment.After entry into the World Trade Organization, market competition is fiercer, and green barrier seriously restricts the outlet of agricultural products in China.Therefore, it is particularly important that research and development biopesticide seems, oneself becomes the important trend that ensures human health and agricultural sustainable development development biopesticide.

Common pymetrozine Pesticidal products is much in the market, but due to the apply for registration of more complicated of pymetrozine product in the Ministry of Agriculture, so the product of fake and forged commodity is many on market.Because management is not too regular, cause dispenser management cannot carry out in order, cause better resistance.So should strengthen the registration of Pyraphione compound agent, reduce resistance, improve agricultural chemicals availability, reduce unnecessary waste and environmental pollution.Guarantee food security.

Summary of the invention

The technical problem to be solved in the present invention is to provide pymetrozine single dose and composition thereof, this component is extracted by natural plant raw material, formulated, nuisanceless, noresidue, technique is advanced, control efficiency is good, do not affect the quality of agricultural product, can be widely used in cereal, paddy rice, corn, cotton, vegetables, the crops such as fruit tree, Semiptera for the growth of control damage to crops, thrips, Homoptera, the suckings pest such as diptera have good effect, as plant hopper, thrips, cicada, leafhopper, aleyrodid, wood louse, aphid, scale insect, wheat midge, rice gall midge, the insects such as mite, it is present domestic a kind of new environment-friendly pesticide.

For achieving the above object, technical scheme of the present invention is as follows:

Pymetrozine single dose, comprises the pymetrozine solution of percetage by weight 10%-80%, prepares pymetrozine water dispersing granule, pymetrozine suspension agent and pymetrozine wetting powder.

Preferably, pymetrozine water dispersing granule, comprises following composition according to percetage by weight meter: pymetrozine 10-80%, dispersant 3～12%, wetting agent 2～8%, disintegrant 0～8%, binding agent 0～5%, surplus are filler.

Preferably, pymetrozine suspension agent, comprises following composition according to percetage by weight meter: pymetrozine 10-80% dispersant 3～12%, wetting agent 2～10%, defoamer 0.1～0.5%, thickener 0～2%, antifreezing agent 0～8%, surplus are deionized water.

Preferably, pymetrozine wetting powder, comprises following composition according to percetage by weight meter: pymetrozine 10-80%, dispersant 3～15%, wetting agent 2～12%, surplus are filler.

A composition pesticide containing pymetrozine, comprises pymetrozine and thiacloprid, and the mass ratio of described pymetrozine and thiacloprid is 80: 1～1: 80.

Preferably, the mass ratio of described pymetrozine and thiacloprid is 1: 3 or 2: 3.

Preferably, the aqueous emulsion that prepared by described composition pesticide comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid 1-80%, emulsifier 5～10%, defoamer 1～4%, retarder thinner 5～10%, surplus water are mended to 100%.

Preferably, the microemulsion that prepared by described composition pesticide comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid 1-80%, emulsifier 5～10%, antifreezing agent 0～8%, defoamer 0.1-0.5%, surplus water are mended to 100%.

Preferably, the suspending agent that prepared by described composition pesticide comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid 1-80%, dispersant 3～10%, wetting agent 2～10%, defoamer 0.1～0.5%, thickener 0～2%, antifreezing agent 0～8%, surplus water are mended to 100%.

Preferably, the auxiliary agent occurring in the present invention is as follows:

Dispersant: sodium methylene bis-naphthalene sulfonate;

Wetting agent: lauryl sodium sulfate or dodecyl sodium sulfate;

Disintegrant: ammonium sulfate;

Binding agent: xanthans;

Filler: kaolin;

Defoamer: polysiloxanes or organosilicon;

Thickener: wooden element

Antifreezing agent: ethylene glycol or glycerine;

Emulsifier: 602 or 1601 or alkyl benzene calcium sulfonate;

Retarder thinner: dimethylbenzene.

By technique scheme, the invention has the beneficial effects as follows:

[0027] prescription uniqueness, compatibility science, high-efficiency broad spectrum, nuisanceless, noresidue, technique is advanced, and control efficiency is good, do not affect the quality of agricultural product, can be used for preventing and treating the crop pests such as rice hoppers, rice leaf roller, brown planthopper, white-backed planthopper, small brown rice planthopper, striped rice borer, rice thrips.

Accompanying drawing explanation

Fig. 1 is the process schematic representation that the present invention prepares pymetrozine water dispersing granule.

Fig. 2 is the process schematic representation that the present invention prepares pymetrozine suspension agent.

embodiment

For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.

Pymetrozine single dose, comprises the pymetrozine solution of percetage by weight 10%-80%, prepares pymetrozine water dispersing granule, pymetrozine suspension agent and pymetrozine wetting powder.

Prepare pymetrozine water dispersing granule: according to percetage by weight meter, comprise following constituent content: pymetrozine 10-80%, dispersant 3～12%, wetting agent 2～8%, disintegrant 0～8%, binding agent 0～5%, surplus are filler.

With reference to manufacture craft Fig. 1: it is 500 orders that pymetrozine, dispersant, wetting agent, disintegrant, filler etc. are obtained to particle diameter through air-flow crushing together, then adds binding agent, obtains the materials of granulating.By item quantitatively send in fluidized bed granulation dryer through granulation and dry after, make pymetrozine water dispersing granule product.

2) pymetrozine suspension agent: when composition is made suspending agent, comprise following constituent content according to percetage by weight meter: pymetrozine 10-80%, dispersant 3～12%, wetting agent 2～10%, defoamer 0.1～0.5%, thickener 0～2%, antifreezing agent 0～8%, surplus are deionized water.

With reference to manufacture craft Fig. 2: dispersant, wetting agent, defoamer, thickener, antifreeze in above-mentioned formulation material are mixed through high speed shear, add pymetrozine, in ball mill, ball milling is 2～3 hours, makes diameter of particle all below 5 μ m, makes pymetrozine suspension agent product.

3) prepare pymetrozine wetting powder: according to percetage by weight meter, comprise following constituent content: pymetrozine 10-80%, dispersant 3～15%, wetting agent 2～12%, filler are supplied.

Pymetrozine, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, can be made into pymetrozine wetting powder product.

The pesticide combination that pymetrozine and thiacloprid are mixed with is as follows: comprise pymetrozine and thiacloprid, the mass ratio of described pymetrozine and thiacloprid is 80: 1～1: 80.

Preferably, the mass ratio of described pymetrozine and thiacloprid is 1: 3 or 2: 3.

Described thiacloprid replaces with any one in Diacloden, Mobucin, Nitenpyram, Buprofezin, Rynaxypyr, indoxacarb, capillary, sulfluramid.

1) aqueous emulsion

Aqueous emulsion comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid 1-80%, emulsifier 5～10%, defoamer 1～4%, retarder thinner 5～10%, surplus water are mended to 100%.

2) microemulsion

Microemulsion comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid 1-80%, emulsifier 5～10%, antifreezing agent 0～8%, defoamer 0.1-0.5%, surplus water are mended to 100%.

3) suspending agent

Suspending agent comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid ketone 1-80%, dispersant 3～10%, wetting agent 2～10%, defoamer 0.1～0.5%, thickener 0～2%, antifreezing agent 0～8%, surplus water are mended to 100%.

Embodiment 125% pymetrozine thiacloprid aqueous emulsion

According to percetage by weight meter, comprise following constituent content: pymetrozine 10%, thiacloprid 15%, emulsifier (phenethyl phenol polyethenoxy ether) 5%, defoamer (polysiloxanes) 5%, retarder thinner (dimethylbenzene) 5%, surplus water are mended to 100%.Mixture carries out mixing and stirring, makes 30% pymetrozine thiacloprid aqueous emulsion.

Embodiment 240% pymetrozine thiacloprid suspending agent

According to percetage by weight meter, comprise following constituent content: pymetrozine 10%, thiacloprid 30%, dispersant (sodium lignin sulfonate) 3%, wetting agent (DBSA) 4%, defoamer (organosilicon) 0.1%, thickener (lignin) 0.3%,, antifreezing agent (ethylene glycol) 5%, deionized water adds to 100%, mixes and makes 40% pymetrozine thiacloprid suspending agent.

The auxiliary agent that patent of the present invention relates to and title are as follows respectively

Dispersant: sodium methylene bis-naphthalene sulfonate

Wetting agent: lauryl sodium sulfate or dodecyl sodium sulfate

Disintegrant: ammonium sulfate

Binding agent: xanthans

Filler: kaolin (wetting powder, water dispersible granules are used), deionized water (suspending agent, microemulsion, aqueous emulsion are used)

Defoamer: polysiloxanes or organosilicon

Thickener: lignin

Antifreeze: ethylene glycol or glycerine

Emulsifier: 602 or 1601 or alkyl benzene calcium sulfonate

Retarder thinner: dimethylbenzene

Virulence test

Pymetrozine and thiacloprid are composite to rice hoppers Toxicity Determination (with reference to table 1)

Test medicine provides by Shaanxi Kang He Li Feng biotechnology pharmaceutcal corporation, Ltd.

After each medicament valid density scope is determined in prerun, each medicament is established respectively 5 dosage by active constituent content and is processed, and establishes clear water contrast.With reference to < < farm-chemical indoor determination test rule insecticide > >, carry out, adopt rice stem infusion process to measure the virulence of medicament to rice hoppers.After 72 hours, check examination worm death condition, the line item of going forward side by side.Result of the test is as shown in table 1:

Table 1, pymetrozine, thiacloprid and the composite toxicity test analysis of results table to rice hoppers thereof

As shown in Table 1, pymetrozine, the LC of thiacloprid to rice hoppers ₅₀be respectively 1.45mg/L and 4.80mg/L.The virulence of pymetrozine is higher than the virulence of thiacloprid.Pymetrozine and the thiacloprid proportioning co-toxicity coefficient of 1: 3,2: 1,2: 3,2: 9,2: 13 are respectively 146.98,134.97,150.28,142.62,131.52, both proportionings are to show as certain synergistic effect at 1: 3,2: 3 o'clock, illustrate that pymetrozine and thiacloprid were mixed in scope at 1: 3～2: 3 comparatively reasonable.

More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (10)

1. pymetrozine single dose, is characterized in that, comprises the pymetrozine solution of percetage by weight 10%-80%, prepares pymetrozine water dispersing granule, pymetrozine suspension agent and pymetrozine wetting powder.

2. pymetrozine single dose according to claim 1, it is characterized in that: pymetrozine water dispersing granule, comprises following composition according to percetage by weight meter: pymetrozine 10-80%, dispersant 3～12%, wetting agent 2～8%, disintegrant 0～8%, binding agent 0～5%, surplus are filler.

3. pymetrozine single dose according to claim 1, it is characterized in that: pymetrozine suspension agent, comprises following composition according to percetage by weight meter: pymetrozine 10-80% dispersant 3～12%, wetting agent 2～10%, defoamer 0.1～0.5%, thickener 0～2%, antifreezing agent 0～8%, surplus are deionized water.

4. pymetrozine single dose according to claim 1, is characterized in that: pymetrozine wetting powder, comprises following composition according to percetage by weight meter: pymetrozine 10-80%, dispersant 3～15%, wetting agent 2～12%, surplus are filler.

5. containing a composition pesticide for pymetrozine, it is characterized in that, comprise pymetrozine and thiacloprid, the mass ratio of described pymetrozine and thiacloprid is 80: 1～1: 80.

6. a kind of composition pesticide containing pymetrozine according to claim 5, is characterized in that: the mass ratio of described pymetrozine and thiacloprid is 1: 3 or 2: 3.

7. a kind of composition pesticide containing pymetrozine according to claim 5, is characterized in that: aqueous emulsion prepared by described composition pesticide comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid 1-80%, emulsifier 5～10%, defoamer 1～4%, retarder thinner 5～10%, surplus water are mended to 100%.

8. a kind of composition pesticide containing pymetrozine according to claim 5, is characterized in that: microemulsion prepared by described composition pesticide comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid 1-80%, emulsifier 5～10%, antifreezing agent 0～8%, defoamer 0.1-0.5%, surplus water are mended to 100%.

9. a kind of composition pesticide containing pymetrozine according to claim 5, is characterized in that: suspending agent prepared by described composition pesticide comprises following composition according to percetage by weight meter: pymetrozine 1-80%, thiacloprid 1-80%, dispersant 3～10%, wetting agent 2～10%, defoamer 0.1～0.5%, thickener 0～2%, antifreezing agent 0～8%, surplus water are mended to 100%.

10. a kind of composition pesticide containing pymetrozine according to claim 5, is characterized in that: the auxiliary agent occurring in the present invention is as follows:

Dispersant: sodium methylene bis-naphthalene sulfonate;

Wetting agent: lauryl sodium sulfate or dodecyl sodium sulfate;

Disintegrant: ammonium sulfate;

Binding agent: xanthans;

Filler: kaolin;

Defoamer: polysiloxanes or organosilicon;

Thickener: wooden element

Antifreezing agent: ethylene glycol or glycerine;

Emulsifier: 602 or 1601 or alkyl benzene calcium sulfonate;

Retarder thinner: dimethylbenzene.

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