CN104336045B - A kind of insect-killing composition and preparation, purposes - Google Patents
A kind of insect-killing composition and preparation, purposes Download PDFInfo
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- CN104336045B CN104336045B CN201410566503.5A CN201410566503A CN104336045B CN 104336045 B CN104336045 B CN 104336045B CN 201410566503 A CN201410566503 A CN 201410566503A CN 104336045 B CN104336045 B CN 104336045B
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- pymetrozine
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- worm guanidine
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Abstract
The present invention relates to technical field of pesticide, in particular to a kind of insect-killing composition and preparation, purposes. This insect-killing composition effective active composition penta pyrrole worm guanidine and pymetrozine show significant synergism in given scope, and anti-effect is obviously higher than single dose, and materials are few. This insect-killing composition can have special efficacy for planthopper and wheat and vegetable aphid.
Description
Technical field
The present invention relates to technical field of pesticide, in particular to a kind of insect-killing composition and preparation, purposes.
Background technology
Sucking pest individuality is little, and generation initial stage shape of being often injured is not obvious, is easily ignored by people, but quantity is extremely many, often lives in groups on spray, leaf, bud, bud, fruit, draw water, robbing its nutrition, cause branches and leaves and steamed twisted roll bent, even whole strain is withered or dead. Bringing out disease, insect itself is the communication media of virus disease sometimes simultaneously.
Planthopper, Homoptera Delphacidae insect, except thorn suction plant juice hazard rice, makes growth retardation, and time serious, rice clump is agglomerating withered, and the dead stalk in even full field is laid eggs and also can be stabbed plant, destroy transfusion tissue outside lodging, and obstruction nutritive substance transports and propagates disease.
Aphid, also known as aphid, aphid etc., belongs to Homoptera Aphidiadae more, is the insect of piercing-sucking mouthparts, is often clustered in the positions such as blade, tender stem, bud, terminal bud, and thorn inhales juice, makes leaf-shrinkage, curling, lopsided, causes the withered even whole strain of branches and leaves dead time serious. Aphid secretion honeydew also can bring out sooty mold, virus disease and cause ant infestations etc.
At present, it is possible to the agricultural chemicals of above-mentioned insect have not been reported simultaneously. Therefore, develop new poison efficient, low, the compounded pesticides of safety prevents and treats planthopper and aphid has important meaning.
Summary of the invention
In view of this, the present invention provides a kind of insect-killing composition and preparation, purposes. Composition effective active composition penta pyrrole worm guanidine provided by the invention and pymetrozine show significant synergism in given scope, and anti-effect is obviously higher than single dose, and materials are few. This insect-killing composition can have special efficacy for planthopper and wheat and vegetable aphid.
In order to realize foregoing invention object, the present invention provides following technical scheme:
The present invention provides a kind of insect-killing composition, comprises penta pyrrole worm guanidine and pymetrozine.
Penta pyrrole worm guanidine is the method spliced by molecular designing and active substructure with contracting amine urea insecticide by anabasine, is set up in same molecule by active structure so that it is have nicotinoids and the new and effective Pesticidal compound of sodium-ion channel inhibitor feature concurrently. Penta pyrrole worm guanidine chemical name: 1-nitro-3 [(6-chloropyridine-3-base) methyl]-4-penta methene amido guanidine, its particular mechanism that penta pyrrole worm guanidine has make its effect more anti-than anabasine insecticide significantly and the lasting period longer.
Pymetrozine is pyridines sterilant, to the low poison of higher animal, has the selectivity of height between insect. Utilize electricity to penetrate diagram technology and show that pymetrozine produces lancet blocking effect after touching sucking pest at once, and be irreversible, finally make insect hunger lethal.
Penta described pyrrole worm guanidine and the insect-killing composition of pymetrozine, the mechanism of action of two effective constituents is different, and both are composite, show through the embodiment of the present invention, have certain complementary action and synergism.
In some embodiments of the invention, the mass ratio of described penta pyrrole worm guanidine and pymetrozine is 1:20��30:1.
In other embodiments of the present invention, the mass ratio of described penta pyrrole worm guanidine and pymetrozine is 1:10��30:1.
In other embodiments of the present invention, the mass ratio of described penta pyrrole worm guanidine and pymetrozine is 10:1��20:1.
Preferably, the mass ratio of described penta pyrrole worm guanidine and pymetrozine is 1:20,1:10,1:1,10:1,20:1 or 30:1.
Present invention also offers the application of above-mentioned insect-killing composition in control insect. In some embodiments of the invention, insect is rice grub, wheat insect or vegetables pest, it is possible to water prevention rice pest, wheat insect or vegetables pest separately, it is also possible to water prevention rice pest, wheat insect or vegetables pest simultaneously. Using method the present invention is in this no limit.
In some embodiments of the invention, the described insect of above-mentioned insect-killing composition control is sucking pest.
In some embodiments of the invention, described insect is planthopper and/or aphid.
Present invention also offers a kind of pesticide preparation, comprise above-mentioned insect-killing composition.
In some embodiments of the invention, in pesticide preparation provided by the invention, the mass percentage of described insect-killing composition is 21��77.5%.
As preferably, in pesticide preparation provided by the invention, the mass percentage of described insect-killing composition is 21%, 27.5%, 50%, 55%, 63% or 77.5%.
Penta described pyrrole worm guanidine and the insect-killing composition of pymetrozine, according to method known in those skilled in the art, add corresponding auxiliary agent and filler, it is possible to make wettable powder, water dispersible granules, suspension agent. Formulation is not construed as limiting by the present invention at this, and the formulation of the pesticide preparation that acceptable auxiliary agent or filler and above-mentioned insect-killing composition are prepared in any agricultural chemicals, all in protection scope of the present invention.
In some embodiments of the invention, the formulation of described pesticide preparation is wettable powder, water dispersible granules or suspension agent.
In some embodiments of the invention, auxiliary agent is a kind of in dispersion agent, wetting agent, disintegrating agent, binding agent, defoamer, antifreezing agent, thickening material or mixture that both are above.
In some embodiments of the invention, dispersion agent is selected from: one or more in sodium lignosulfonate, naphthalenesulfonic acid-formaldehyde condensate, formaldehyde condensation products vitriol, polycarboxylate, alkylphenol-polyethenoxy base phosphoric acid ester, alkylphenol polyoxyethylene, polyoxyethylene carboxylate.
In some embodiments of the invention, wetting agent is selected from: one or more in sodium lauryl sulphate, Nekal BX, spaonin powder, Sodium dodecylbenzene sulfonate, silkworm excrement, Seed of Chinese Soapberry powder, the withered powder of tea.
In some embodiments of the invention, disintegrating agent is selected from: one or more in wilkinite, ammonium sulfate, aluminum chloride, urea, magnesium chloride, glucose.
In some embodiments of the invention, binding agent is selected from: one or more in diatomite, cyclodextrin, rosin, starch, PVA, carboxymethyl (ethyl) sodium cellulosate.
In some embodiments of the invention, defoamer is selected from: organic silicone oil, ethanol, epoxy soybean oil, silicone compound, C10-C20Saturated fatty acid compounds, C8-C210One or more in aliphatic alcohols compound.
In some embodiments of the invention, antifreezing agent is selected from: one or more in ethylene glycol, propylene glycol, glycerol, sorbyl alcohol, urea, polyoxyethylene glycol.
In some embodiments of the invention, thickening material is selected from: one or more in gelatin, xanthan gum, polyoxyethylene glycol, polyvinyl alcohol.
In some embodiments of the invention, filler is selected from: one or more in kaolin, diatomite, wilkinite, attapulgite, white carbon black, light calcium carbonate.
The composition of the present invention is mainly used in control planthopper and aphid.
The useful effect of the present invention:
(1) present composition effective active composition penta pyrrole worm guanidine and pymetrozine show significant synergism in given scope, and anti-effect is obviously higher than single dose, and materials are few.
(2) insect-killing composition of the present invention can have special efficacy for planthopper and wheat and vegetable aphid.
Embodiment
The present invention discloses a kind of insect-killing composition and preparation, purposes, and those skilled in the art can use for reference content herein, and suitable improving technique parameter realizes. Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention. Method and the application of the present invention are described by better embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope, methods and applications as herein described are changed or suitably change with combination, realize and apply the technology of the present invention.
In a kind of insect-killing composition provided by the invention and preparation, purposes, former medicine used and auxiliary agent, filler all can be buied by market.
Below in conjunction with embodiment, set forth the present invention further:
Embodiment 1:21% penta pyrrole worm guanidine pymetrozine suspension agent
Penta pyrrole worm guanidine 1%, pymetrozine 20%, spaonin powder 3%, sodium lignosulfonate 5%, silicone oil 0.5%, ethylene glycol 2%, Xylo-Mucine 5%, deionized water supply 100%. Above raw material is prepared routinely the obtained 21% penta pyrrole worm guanidine pymetrozine suspension agents of the method mixing of suspension agent.
Embodiment 2:27.5% penta pyrrole worm guanidine pymetrozine suspension agent
Penta pyrrole worm guanidine 2.5%, pymetrozine 25%, spaonin powder 2%, sodium lignosulfonate 3%, silicone oil 0.5%, ethylene glycol 1%, Xylo-Mucine 4%, deionized water supply 100%. Above raw material is prepared routinely the obtained 27.5% penta pyrrole worm guanidine pymetrozine suspension agents of the method mixing of suspension agent.
Embodiment 3:50% penta pyrrole worm guanidine pymetrozine wettable powder
Penta pyrrole worm guanidine 25%, pymetrozine 25%, the withered powder 5% of tea, ethanol 2%, sodium lignosulfonate 5%, diatomite supply 100%. Above raw material is conveniently prepared the method mixing of wettable powder, is crushed to certain fineness, then through being mixed into product, obtains the penta pyrrole worm guanidine pymetrozine wettable powder of 50%.
Embodiment 4:55% penta pyrrole worm guanidine pymetrozine wettable powder
Penta pyrrole worm guanidine 50%, pymetrozine 5%, the withered powder 4% of tea, ethanol 1.5%, sodium lignosulfonate 4%, diatomite supply 100%. Above raw material is conveniently prepared the method mixing of wettable powder, is crushed to certain fineness, then through being mixed into product, obtains the penta pyrrole worm guanidine pymetrozine wettable powder of 55%.
Embodiment 5:63% penta pyrrole worm guanidine pymetrozine water dispersing granule
Penta pyrrole worm guanidine 60%, pymetrozine 3%, sodium lignosulfonate 5%, ammonium sulfate 2%, polycarboxylate 3%, starch 2%, kaolin supply 100%. The method mixing that above raw material is conveniently prepared water dispersible granules obtains the penta pyrrole worm guanidine pymetrozine water dispersing granule of 63%.
Embodiment 6:77.5% penta pyrrole worm guanidine pymetrozine water dispersing granule
Penta pyrrole worm guanidine 75%, pymetrozine 2.5%, sodium lignosulfonate 4%, ammonium sulfate 2%, polycarboxylate 2.5%, starch 2.5%, kaolin supply 100%. The method mixing that above raw material is conveniently prepared water dispersible granules obtains the penta pyrrole worm guanidine pymetrozine water dispersing granule of 77.5%.
The Toxicity Determination of embodiment 7: penta pyrrole worm guanidine and Pyraphione compound
1, penta pyrrole worm guanidine and the test of pymetrozine different ratio co-toxicity
1.1 reagent agent
The 96% penta pyrrole former medicines of worm guanidine, the 95% former medicine of pymetrozine, penta pyrrole worm guanidine and pymetrozine different ratios mixture preparation
1.2 for examination worm source
Cabbage aphid, planthopper
1.3 single dose measuring methods
Cabbage aphid is adopted dip method, two former medicines is all used a small amount of acetone solution, being diluted to five strength solution of equal difference with the Tween solution of 0.1%, is diluted in beaker with for subsequent use, and with clear water in contrast. Cabbage aphid of the same size and planthopper adult are flooded 5s in the liquid of leaching worm cage, is placed in the culture dish of 9 after sucking unnecessary liquid, ware is placed with fresh cabbage leaves. Do not have concentration to process 20, repeat 3 times, if blank, after 48h, check mortality ratio. Mortality ratio Abbott formula correction, then according to logarithm-mortality ratio probability value analytical method, obtains virulence regression equation and lethal.
Planthopper being adopted spray method, culture dish is placed in Potter spray tower and tries to get to the heart of a matter and quantitatively spray, spray value is 1ml, takes out examination worm and raise after liquid sedimentation 1min. Do not have process to be no less than 4 repetitions, and establish blank. Process and after 96 hours, check examination worm death condition. Mortality ratio Abbott formula correction, then according to logarithm-mortality ratio probability value analytical method, obtains virulence regression equation and lethal.
The joint toxicity measuring method of 1.4 different ratio
Toxicity test result according to single dose, adopts the method for above-mentioned 1.3 to measure with penta pyrrole worm guanidine of different ratio and pymetrozine, calculates LC50, and presses the abundant method of Sun Yun and calculate cotoxicity coefficient (CTC), and by following formulae discovery:
ATI=(S/M) * 100
In formula:
ATI mixture actual measurement toxicity index;
The LC50 of S standard sterilant, unit mg/l;
The LC50 of M mixture, unit mg/l.
TTI=TIA*PA+TIB*PB
In formula:
The theoretical toxicity index of TTI mixture;
TIAThe theoretical toxicity index of A medicament;
PAThe percentage composition of A medicament in mixture, unit is percentage;
TIBThe theoretical toxicity index of B medicament;
PBThe percentage composition of B medicament in mixture, unit is percentage;
CTC=(ATI/TTI) * 100
In formula:
CTC cotoxicity coefficient;
ATI mixture actual measurement toxicity index;
The theoretical toxicity index of TTI mixture.
Cotoxicity coefficient (CTC) >=120 shows as synergism; CTC��80 show as antagonistic action; 80 < CTC < 120 show as summation action, the results are shown in Table 1, table 2.
Table 1: penta pyrrole worm guanidine and pymetrozine different ratio are to cabbage aphid toxicity test result
| Medicament | LC50(mg/l) | TTI | ATI | CTC |
| Penta pyrrole worm guanidine | 10.25 | - | 100 | - |
| Pymetrozine | 5.12 | - | 200.20 | - |
| Penta pyrrole worm guanidine: pymetrozine=1:20 | 4.02 | 195.42 | 254.98 | 130.5 |
| Penta pyrrole worm guanidine: pymetrozine=1:10 | 4.09 | 191.09 | 250.61 | 131.2 |
| Penta pyrrole worm guanidine: pymetrozine=1:1 | 4.22 | 150.10 | 242.89 | 161.8 |
| Penta pyrrole worm guanidine: pymetrozine=10:1 | 5.21 | 109.11 | 196.74 | 180.3 |
| Penta pyrrole worm guanidine: pymetrozine=20:1 | 5.35 | 104.77 | 191.59 | 182.9 |
| Penta pyrrole worm guanidine: pymetrozine=30:1 | 5.72 | 103.23 | 179.20 | 173.6 |
Its cotoxicity coefficient of each ratio of penta pyrrole worm guanidine and Pyraphione compound is all higher than 120 as can be seen from Table 1, illustrates that these two kinds of compositions have obvious synergism after composite, it thus is seen that both are composite has very strong reasonableness.
Table 2: penta pyrrole worm guanidine and pymetrozine different ratio are to planthopper toxicity test result
| Medicament | LC50(mg/l) | TTI | ATI | CTC |
| Penta pyrrole worm guanidine | 9.54 | - | 100 | - |
| Pymetrozine | 4.79 | - | 199.16 | - |
| Penta pyrrole worm guanidine: pymetrozine=1:20 | 3.20 | 194.44 | 298.13 | 153.3 |
| Penta pyrrole worm guanidine: pymetrozine=1:10 | 3.75 | 190.15 | 254.40 | 133.8 |
| Penta pyrrole worm guanidine: pymetrozine=1:1 | 4.21 | 149.58 | 226.60 | 151.5 |
| Penta pyrrole worm guanidine: pymetrozine=10:1 | 4.52 | 109.01 | 211.06 | 193.6 |
| Penta pyrrole worm guanidine: pymetrozine=20:1 | 5.17 | 104.72 | 184.53 | 176.2 |
| Penta pyrrole worm guanidine: pymetrozine=30:1 | 5.34 | 103.20 | 178.65 | 173.1 |
Its cotoxicity coefficient of each ratio of penta pyrrole worm guanidine and Pyraphione compound is all higher than 120 as can be seen from Table 2, illustrate that these two kinds of compositions have obvious synergism after composite, it thus is seen that both are composite has very strong reasonableness, and synergism is particularly remarkable when 10:1,20:1,30:1.
The test of pesticide effectiveness of embodiment 8: penta pyrrole worm guanidine and Pyraphione compound
Field medicine effect test is carried out by the compound preparation of embodiment 1-6 gained and each component single dose. The calm weather without rain is selected to test, in whole stage of investigation without rainfall, taking cabbage aphid and planthopper as subjects, each dispenser interval phase is 7d, altogether dispenser 3 times, with 3d after last dispenser, 7d, 21d investigate cabbage aphid and planthopper respectively, and calculate anti-effect. Anti-effect calculates as follows:
Prevention effect (%)=(1-TaCb/TbCa) �� 100%
In formula: TaFor the individual amount survived after preventing and treating in treatment zone; TbFor the individual amount of survival before the control for the treatment of zone; CaFor the individual amount survived after preventing and treating in check plot; CaFor the individual amount of survival before the control of check plot.
Test-results is as follows:
1, penta pyrrole worm guanidine pymetrozine composition is to cabbage aphid field test, the results are shown in Table 3.
Table 3: penta pyrrole worm guanidine pymetrozine composition is to the prevention effect of cabbage aphid
As can be seen from Table 3, effectively preventing and treating cabbage aphid after penta pyrrole worm guanidine and Pyraphione compound, prevention effect is better than comparison medicament, and the lasting period is long, and after last dispenser, the anti-effect of 21d reaches more than 90%, and in test scope of medication, target crop is not had poisoning.
2, penta pyrrole worm guanidine pymetrozine composition is to planthopper field test, the results are shown in Table 4.
Table 4: penta pyrrole worm guanidine pymetrozine composition is to the prevention effect of planthopper
As can be seen from Table 4, effectively preventing and treating cabbage aphid after penta pyrrole worm guanidine and Pyraphione compound, prevention effect is better than comparison medicament, and the lasting period is long, and after last dispenser, the anti-effect of 21d reaches more than 89%, and in test scope of medication, target crop is not had poisoning.
Comprehensive above test-results can be found out, penta pyrrole worm guanidine and pymetrozine press different ratios composite after, the prevention effect of agricultural insect pest is significantly improved, when prevention effect is identical, greatly reduce the usage quantity of effective constituent, thus reduce the harm to environment and delayed the resistance of insect.
The above is only the preferred embodiment of the present invention; it is noted that for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. an insect-killing composition, it is characterised in that, comprise penta pyrrole worm guanidine and pymetrozine;
The mass ratio of described penta pyrrole worm guanidine and pymetrozine is 1:20��30:1.
2. insect-killing composition according to claim 1, it is characterised in that, the mass ratio of described penta pyrrole worm guanidine and pymetrozine is 1:10��30:1.
3. insect-killing composition according to claim 1, it is characterised in that, the mass ratio of described penta pyrrole worm guanidine and pymetrozine is 10:1��20:1.
4. application in control paddy rice, wheat and/or vegetables pest of insect-killing composition according to the arbitrary item of claims 1 to 3.
5. application according to claim 4, it is characterised in that, described insect is sucking pest.
6. application according to claim 5, it is characterised in that, described insect is planthopper and/or aphid.
7. a pesticide preparation, it is characterised in that, comprise the insect-killing composition as described in item as arbitrary in claims 1 to 3.
8. pesticide preparation according to claim 7, it is characterised in that, the mass percentage of described insect-killing composition is 21��77.5%.
9. pesticide preparation according to claim 7, it is characterised in that, the formulation of described pesticide preparation is wettable powder, water dispersible granules or suspension agent.
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| CN101356922A (en) * | 2008-09-24 | 2009-02-04 | 陕西标正作物科学有限公司 | Composition containing ethiprole and imidacloprid with synergistic disinsection action |
| CN101422153A (en) * | 2008-11-13 | 2009-05-06 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing pymetrozine |
| CN102308839A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101356922A (en) * | 2008-09-24 | 2009-02-04 | 陕西标正作物科学有限公司 | Composition containing ethiprole and imidacloprid with synergistic disinsection action |
| CN101422153A (en) * | 2008-11-13 | 2009-05-06 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing pymetrozine |
| CN102308839A (en) * | 2011-10-11 | 2012-01-11 | 合肥星宇化学有限责任公司 | Insecticidal composition and its preparation and application |
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