CN102017958B - Composite insecticidal composition containing pymetrozine and propylene glycol alginate and application thereof - Google Patents

Composite insecticidal composition containing pymetrozine and propylene glycol alginate and application thereof Download PDF

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Publication number
CN102017958B
CN102017958B CN 200910183492 CN200910183492A CN102017958B CN 102017958 B CN102017958 B CN 102017958B CN 200910183492 CN200910183492 CN 200910183492 CN 200910183492 A CN200910183492 A CN 200910183492A CN 102017958 B CN102017958 B CN 102017958B
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pymetrozine
propylene glycol
glycol alginate
insecticidal composition
alcohol ester
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CN102017958A (en
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杨寿海
陈新春
陈文明
郭崇友
齐武
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Nanjing Huazhou Pharmaceutical Co Ltd
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Nanjing Huazhou Pharmaceutical Co Ltd
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Abstract

The invention discloses a composite insecticidal composition containing pymetrozine and propylene glycol alginate and the application thereof. The insecticidal composition uses pymetrozine and propylene glycol alginate as main active ingredients, wherein the weight ratio of the pymetrozine to the propylene glycol alginate is 0.1-80 to 0.1-60. The insecticidal composition can generate higher synergy, overcome and delay the drug resistance of pests, expand the prevention spectrum, have high desinsection speed, decrease the drug cost and lessen the toxicity. The insecticidal composition can prevent hemiptera pests on crops and particularly can be used for preventing paddy delphacidae and wheat aphids, and the effect of the insecticidal composition is significantly higher than that of single agent.

Description

A kind of compound pesticide compositions that contains pymetrozine and propylene glycol alginate and uses thereof
Technical field
The invention belongs to pesticide field, be specifically related to a kind of compound pesticide compositions take pymetrozine and propylene glycol alginate as main active ingredient and uses thereof.
Background technology
Pymetrozine (pymetrozine), chemical name: (E)-4,5-dihydro-6-methyl-4-(the 3-pyridine methylene is amino)-1,2,4-triazine-3 (2H)-ketone.Being Switzerland Novartis Co.,Ltd eliminates aphis and the new type heterocycle class insecticidal materials of aleyrodid in exploitation in 1988 anti-, has efficient, low toxicity, high selectivity, the characteristics such as environmentally friendly.Its mode of action is unique: be mainly the feed behavior that affect insect, make its food refusal and extremely.This medicine is all effective to larva and adult, and its energy rapid osmotic is in plant leaf blade, and the longevity of residure reached more than one month, and without any cross resistance, high to natural enemies security.Pymetrozine is all effective to larva or adult, and this medicine can be penetrated in plant leaf blade very soon, and residual effect reaches one month, due to without cross resistance, and to the natural enemy high safety, very suitable resistant insect control.Pymetrozine has very high preventive effect to aphid, plant hopper, leafhopper, aleyrodid, the Chinese toon rubber of the crops such as paddy rice, vegetables, cotton, wheat, fruit tree.This medicine is splendid to Semiptera insect selectivity, and the selectivity of aphid is better than best anti-aphid agent-Aphox at present, and this medicine also has good interior absorption, and its systemic activity is 2~3 times of Aphox, is more than 143 times of cypermethrin.The acute oral LD of its former medicine 50Be 5820mg/kg, acute through skin LD 50(24h)>2000mg/kg.Along with the whole world is more and more paid attention to environmental protection, low toxicity, demand efficient, eco-friendly insecticidal materials increase year by year, high poison, high residue, to ecotope, and its exploitation has good prospect, will bring huge Social benefit and economic benefit.But its market price is higher.
Propylene glycol alginate gets Main Ingredients and Appearance by the marine algae extract alginic acid through esterification: its part carboxyl of alginate esters class is by the propane diols esterification.It is a kind of Biocidal medicine of physical action mechanism, and the mode of action is for tagging, and with its distinctive viscosity and tagging property of physics, sealing or obstruction insect are in order to the pore of respiratory metabolism fast, and metabolism and the circulation canal of blocking-up insect suffocate it dead.It has lethal effect to the small flexible insect, can effectively prevent and treat adult and the larva of the insects such as trialeurodes vaporariorum, rice fulgorid, Bemisia tabaci, small brown rice planthopper, pear sucker, leafhopper, tetranychid.The propylene glycol alginate edible at home and abroad is widely used in food service industry as food additives, and is all harmless to people and environment, slight on the impact of insect pollinator and natural enemy, belongs to the low toxicity insecticidal materials.
Pymetrozine is to have the infiltrative acetylcholinesteraseinhibitors inhibitors of interior suction, and propylene glycol alginate is typical physics contact insecticide, the inventor finds that both are composite and can improve insecticidal effect, enlarge insecticidal spectrum, improve the quick-acting of medicament, reduce dosage, alleviate the medicament selection pressure, the generation of delaying drug resistance and development.
Summary of the invention
The purpose of this invention is to provide a kind of compound pesticide compositions that contains pymetrozine and propylene glycol alginate.
Another object of the present invention is to provide a kind of this compound pesticide compositions and prevents and treats application on the insecticidal materials of resistance Semiptera insect in preparation.
For achieving the above object, pymetrozine and propylene glycol alginate that the present invention will grow the lasting period are composite, obtain the efficient multifunctional insecticide composition of the present invention.This insecticidal materials has good preventive effect to the various pests that rice fulgorid and wheat aphid easily produce resistance; And suppress insect to the pesticide resistance generation of pymetrozine.
The present invention is by following scheme implementation:
A kind of compound pesticide compositions that contains pymetrozine and propylene glycol alginate is characterized in that it contains pymetrozine and propylene glycol alginate is main active ingredient, and wherein, the weight ratio of pymetrozine and alginic acid malonic acid alcohol ester is 0.1~80: 0.1~60.The effective ingredient of above-mentioned Insecticidal combinations is present in composition with the synergy effective dose.
The weight ratio preferred 1~60: 0.5~30 of pymetrozine and alginic acid malonic acid alcohol ester in this Synergistic insecticidal compositions, the best is 5~40: 0.5~20.
In the present composition, the percentage by weight that pymetrozine and alginic acid malonic acid alcohol ester both account for composition is 1~80%.Be preferably 5~50%, most preferably 5~30%.
Above-mentioned Insecticidal combinations take pymetrozine and propylene glycol alginate as main active ingredient (active component) and insecticides adjuvant, excipients be mixed with any one formulation that allows on agricultural chemicals.The preferred pulvis of described formulation, wetting powder, aqueous emulsion, suspending agent, microemulsion, missible oil and water dispersion granule.Described auxiliary agent can adopt calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, the rare block compound of polyoxyethylene polyoxy third (as agriculture breast 33 #, agriculture breast 1601 #), the one or more combinations in polyoxyethylene nonylphenol ether, excipient comprises cyclohexanone, dimethylbenzene, solvent naphtha, water, antifreezing agent (as propane diols), deionized water etc.Above auxiliary agent, excipient can alone or also also can add other auxiliary material with reaching.
Above-mentioned Pesticidal combination is prevented and treated the application on the insecticidal materials of resistance Semiptera insect in preparation, especially use on the insecticidal materials of preparation control water rice hopper, aleyrodid and wheat aphid.
Pesticidal combination of the present invention has following beneficial effect: (1) is compared with single dose, and said composition has notable synergistic to insect, has obviously improved control efficiency; (2) alternative high-toxic pesticide, and significantly reduce the field dosage, effective environmental contamination reduction and residue of pesticide; (3) have concurrently quick-acting and long-acting; (4) compare with the pymetrozine single dose, produce and the use cost reduction; (5) suppress insect to the resistance enhancing of agricultural chemicals.
Embodiment
Embodiments of the invention are the methods that adopt indoor bioassay and field trial to combine.First by indoor bioassay, the co-toxicity coefficient after clear and definite two kinds of medicaments are composite by a certain percentage; On this basis, then carry out field trial.
Embodiment 1:
Taking pymetrozine, ether chrysanthemum ester, to adopt the conventional formulation method to be mixed with main effectively composition quality percentage composition by different proportion be 30% pymetrozine ether chrysanthemum emulsifiable concentrate.Concrete ratio sees Table 1,2.
Adopt rice stem infusion process to measure pymetrozine and propylene glycol alginate and composite sample thereof to the virulence of Brown Planthopper, every processing repeats 3 times, and every concentration is processed 30, uses LC 50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
Toxicity test and the co-toxicity coefficient of the compound pesticide compositions of table 1 pymetrozine and propylene glycol alginate to Brown Planthopper
Medicament The toxicity regression curve LC50(μg/ml) Actual measurement toxicity index ATI Theoretical toxicity index TTI Co-toxicity coefficient
Propylene glycol alginate (A) Y=2.48+2.11X 1.554 100 / /
Pymetrozine (B) Y=6.61+2.24X 0.191 813.61 / /
A∶B=1∶5 Y=7.32+2.10X 0.174 893.08 694.68 128.56
A∶B=1∶10 Y=8.10+2.08X 0.115 1351.93 748.74 180.56
A∶B=1∶20 Y=5.72+2.32X 0.127 1219.97 779.63 156.48
In table, data show, pymetrozine and propylene glycol alginate are mixed and rear Brown Planthopper are had synergistic effect, and three proportioning co-toxicity coefficients listed in table are all greater than 120, so pymetrozine and propylene glycol alginate are mixed and have significant synergies.Wherein classify 1: 10 mixed synergies maximum as when both ratios, co-toxicity coefficient is 180.56.
Employing is soaked the leaf dip method and is measured pymetrozine and Biphenthrin and composite sample thereof to the virulence of wheat aphid, and every processing repeats 3 times, uses LC 50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
Toxicity test and the co-toxicity coefficient of the compound pesticide compositions of table 2 pymetrozine and propylene glycol alginate to wheat aphid
Medicament The toxicity regression curve LC50(μg/ml) Actual measurement toxicity index ATI Theoretical toxicity index TTI Co-toxicity coefficient
Propylene glycol alginate (A) Y=3.48+2.41X 1.680 100 / /
Pymetrozine (B) Y=5.61+2.54X 0.205 283.90 / /
A∶B=1∶5 Y=6.32+2.20X 0.320 227.34 253.25 89.77
A∶B=1∶10 Y=5.10+2.38X 0.241 323.33 267.18 121.01
A∶B=1∶20 Y=4.72+2.12X 0.186 352.73 275.14 128.20
In table, data show, pymetrozine and propylene glycol alginate are mixed and rear wheat aphid are had synergistic effect, and in table, three listed proportionings have two co-toxicity coefficients greater than 120, so pymetrozine and propylene glycol alginate are mixed and have significant synergies.Wherein classify 1: 20 mixed synergies maximum as when both ratios, co-toxicity coefficient is 128.20.
Embodiment 2:
Take 21g pymetrozine, 4g propylene glycol alginate, wetting agent 10g, auxiliary agent 2g, add to 100g with filler, above raw material is mixed in micronizer, form 25% pymetrozine methyl poison wetting powder.
Adopt 2 sample product of embodiment to carry out the field trial of control in field paddy rice small brown rice planthopper, the contrast medicament is 25% pymetrozine and 40% propylene glycol alginate EC, and concrete consumption sees Table 3, every mu of water consumption is 30kg, looks into 7 days after medicine 3 days, 14 days, 28 days results, result of the test sees Table 3:
The field test results of table 3 example 2 samples to Brown Planthopper
2 pairs of Brown Planthoppers of example have fabulous quick-acting as can be seen from Table 3, and the lasting period is long, performance is good in the field, successful is higher than 25% pymetrozine wetting powder, anti-usefulness reaches 90% left and right when mu consumption 15ml, the effect that obviously is better than 25% pymetrozine mu consumption 16ml is the outstanding medicament of control Brown Planthopper.
Adopt 2 sample product of embodiment to carry out the field trial of control in field wheat aphid, the contrast medicament is 25% pymetrozine and 40% propylene glycol alginate EC, and concrete consumption sees Table 4, every mu of water consumption is 30kg, looks into 7 days after medicine 3 days, 14 days, 28 days results, result of the test sees Table 4:
Table 4 example 2 samples are to the wheat aphid field test results
2 pairs of wheat aphids of example have fabulous quick-acting as can be seen from Table 4, and the lasting period is long, and are good in field performance, and successful higher than 25% pymetrozine wetting powder, is the outstanding medicament of control wheat aphid.
Measure through indoor synergism test and show: by pymetrozine and propylene glycol alginate built agent, water rice hopper and two kinds of insects of wheat aphid are all had significant synergistic insecticidal action; Field control effectiveness test shows that equally also all built agents of the present invention all are significantly higher than the effect of corresponding single dose agricultural chemicals to the insecticidal effect of water rice hopper and wheat aphid.
Embodiment 3:
Take 30g pymetrozine, 2g propylene glycol alginate, lignin 10g, naphthalene sulfonate 2g, add to 100g with diatomite, above raw material is mixed in micronizer, form 32% pymetrozine methyl poison wetting powder.
Embodiment 4:
Take 10g pymetrozine, 1g propylene glycol alginate, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 6g, dimethylbenzene to 100g, the method that above raw material is prepared missible oil routinely drops in mixing kettle mixes, and forms pymetrozine propylene glycol alginate missible oil.
Embodiment 5:
Take 20g pymetrozine, 2g propylene glycol alginate, nonyl phenol phosphate 5g, alkylphenol polyoxyethylene 4g, n-butanol 5g, dimethylbenzene 30g and pyrrolidones 20g, the xanthans of 0.1g, all the other waters are supplied, stabilizing agent n-butanol and water-soluble solution form water, and former medicine, solvent, emulsifier, cosolvent mix and blend form oil phase, go slowly water is added oil phase under the clipper effect in, and continue to shear 10~30 minutes, form 22% pymetrozine propylene glycol alginate aqueous emulsion.
Embodiment 6:
Take 20g pymetrozine, 20g propylene glycol alginate, calcium dodecyl benzene sulfonate 5g, alkylphenol polyoxyethylene 4g, the solvent xylene of 30g and the pyrrolidones of 15g, all the other waters are supplied, former medicine, solvent, emulsifier, cosolvent mix and blend form homogeneous phase transparent solution, then slowly add entry and stir the formation clear solution, be 40% pymetrozine propylene glycol alginate microemulsion.
Embodiment 7:
Take 5g pymetrozine, 60g propylene glycol alginate, the 2g of lignin salt, polyoxyethylene poly-oxygen propylene aether and sulphate 4g thereof, xanthans 0.15g, ethylene glycol 5g, defoamer silica ethane 0.10g, aluminium-magnesium silicate 0.5g, water is supplied 100g, forms 65% pymetrozine propylene glycol alginate suspending agent under the effect of sand mill.
Embodiment 8:
Take 10g pymetrozine, 1g propylene glycol alginate, methyl naphthalene sulfonate formaldehyde condensate 6g, polyoxyethylene nonylphenol ether 3g, aluminium-magnesium silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g, surplus is water, above raw material is prepared routinely the method for suspending agent, formed 11% pymetrozine propylene glycol alginate suspending agent.
Embodiment 9:
Take 45g pymetrozine, 45g propylene glycol alginate, the 8g of wooden sodium sulfonate, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, kaolin 28g, the method for above raw material being pressed water dispersion granule forms 50% pymetrozine propylene glycol alginate water dispersible granules.
Embodiment 10:
Take 70g pymetrozine, 10g propylene glycol alginate, alkylphenol polyoxyethylene 5g, phenethyl phenol polyethenoxy ether 5g, dimethylbenzene to 100g, the method that above raw material is prepared missible oil routinely drops in mixing kettle mixes, and forms 80% pymetrozine propylene glycol alginate missible oil.
Embodiment 11:
Take 55g pymetrozine, 0.5g propylene glycol alginate, alkylphenol polyoxyethylene 14g, phenethyl phenol polyethenoxy ether 15g, dimethylbenzene to 100g, the method that above raw material is prepared missible oil routinely drops in mixing kettle mixes, and forms 55.5% pymetrozine propylene glycol alginate missible oil.

Claims (5)

1. compound pesticide compositions that contains pymetrozine and propylene glycol alginate, it is characterized in that this compound pesticide compositions is take pymetrozine and propylene glycol alginate as active ingredient, wherein, the weight ratio of alginic acid malonic acid alcohol ester and pymetrozine is 1:5,1:10,1:20, and the weight percentage that pymetrozine and propylene glycol alginate both account for composition is 5 ~ 30%.
2. the compound pesticide compositions that contains pymetrozine and alginic acid malonic acid alcohol ester according to claim 1 is characterized in that it take pymetrozine and alginic acid malonic acid alcohol ester as active ingredient and insecticides adjuvant, excipients are mixed with any one formulation that allows on agricultural chemicals.
3. the compound pesticide compositions that contains pymetrozine and alginic acid malonic acid alcohol ester according to claim 2, is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule.
4. the compound pesticide compositions that contains pymetrozine and alginic acid malonic acid alcohol ester claimed in claim 1 is prevented and treated the application on the insecticidal materials of resistance Semiptera insect in preparation.
5. application according to claim 4 is characterized in that described Semiptera insect is wheat aphid, aleyrodid and water rice hopper.
CN 200910183492 2009-09-22 2009-09-22 Composite insecticidal composition containing pymetrozine and propylene glycol alginate and application thereof Active CN102017958B (en)

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CN103563950B (en) * 2012-07-19 2015-07-08 陕西美邦农药有限公司 Pesticide composition
CN103563962B (en) * 2012-07-20 2015-08-19 陕西美邦农药有限公司 A kind of Pesticidal combination containing propylene glycol alginate and anabasine
CN103563965B (en) * 2012-07-24 2015-04-15 陕西美邦农药有限公司 Insecticidal composition containing propylene glycol alginate and pyrethroids
CN104472509A (en) * 2012-07-30 2015-04-01 陕西美邦农药有限公司 Pesticide compound containing propylene glycol alginate
CN105941401A (en) * 2016-06-27 2016-09-21 山东美罗福农业科技股份有限公司 Propylene glycol alginate and icaritin compound oil suspension agent and preparation method
CN106106465B (en) * 2016-07-06 2018-06-26 青岛好利特生物农药有限公司 A kind of composition pesticide containing propylene glycol alginate and etoxazole
CN105918337B (en) * 2016-07-08 2018-10-26 泉州橙天贸易有限公司 Composition pesticide containing propylene glycol alginate and diafenthiuron
CN107736382A (en) * 2017-10-17 2018-02-27 张锡林 It is a kind of to contain the composition pesticide for killing aphid element and pymetrozine

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Publication number Priority date Publication date Assignee Title
WO2002037964A1 (en) * 2000-11-10 2002-05-16 Syngenta Participations Ag Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide
CN101119632A (en) * 2004-12-06 2008-02-06 辛根塔参与股份公司 A mat for seeds and the method for producing the same
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