CN104824017A - Pesticide composition containing fosthiazate and cyhalothrin - Google Patents
Pesticide composition containing fosthiazate and cyhalothrin Download PDFInfo
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- CN104824017A CN104824017A CN201510214658.7A CN201510214658A CN104824017A CN 104824017 A CN104824017 A CN 104824017A CN 201510214658 A CN201510214658 A CN 201510214658A CN 104824017 A CN104824017 A CN 104824017A
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- fosthiazate
- betacyfluthrin
- cyhalothrin
- root
- pesticide composition
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Abstract
The invention relates to a pesticide composition containing fosthiazate and cyhalothrin. The effective components of the pesticide composition are fosthiazate and cyhalothrin, the weight ratio of fosthiazate to cyhalothrin is 1:25-25:1, and the total weight of fosthiazate and cyhalothrin accounts for 5 to 98% of the weight of the pesticide composition. The pesticide composition can be made into suspending agent, water-dispersed particles, water emulsion, micro emulsion, or wettable powder in the actual use, can be used to control root-knot nematodes, root lesion nematodes, and the like, and has a prominent synergetic effect; thus the using amount of pesticide is reduced, and the generation of drug resistance becomes more difficult.
Description
Technical field
The present invention relates to composition pesticide and application thereof, specifically a kind of binary complex that is active ingredient with fosthiazate and betacyfluthrin, is applied to control crops nematode, as: root-knot nematode, pratylenchus.
Background technology
Fosthiazate, English name: fosthiazate, chemical name: O-ethyl-S-sec-butyl-2-oxo-1,3 thiazolidine-3-base Thiophosphonate.Fosthiazate is organic phosphates nematocide, and main effect model is the synthesis suppressing root-knot nematode acetylcholinesterase, and have excellent contact and Uptake and translocation, toxicity is lower and the lasting period is long, has good control efficiency to root-knot nematode, pratylenchus;
Betacyfluthrin, English name: beta-cyfluthrin, chemical name: cyano group-(4-fluoro-3-benzyloxy phenoxy base)-methyl-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid's ester.Betacyfluthrin acts on the nervous system of insect, and can knock down insect fast, the longevity of residure is long.Have good result to multiple lepidopterous larvae, can effectively prevent and treat soil insect, nematode, insecticidal spectrum is wide, and rapidly, the lasting period is long, to mammal low toxicity, to crop safety, is applicable to melon crop, fruit tree, vegetables, tea tree, tobacco, soybean etc. in effect.
Nematode is the common agricultural disease of a class, and host range is extensive, and 30 various vegetables such as melon, the solanaceous vegetables of often causing harm, beans and radish, calabash radish, lettuce, Chinese cabbage, can also propagate some fungus and bacterium venereal diseases evil.
Different pesticide species composition carries out composite, is the common methods of the agriculture resistant insect of control and germ.The present inventor is on the basis of a large amount of indoor virulences and field medicine effect test, the compounded formula screening of fosthiazate and betacyfluthrin is conducted in-depth research, find that fosthiazate and betacyfluthrin carry out composite, in certain proportion, there is obvious synergistic function, and to root-knot nematode, pratylenchus, there is outstanding control efficiency, after further study, the present invention is completed.
Summary of the invention
The object of the present invention is to provide a kind of compound synergic composition containing fosthiazate and betacyfluthrin, be applied to control root-knot nematode, pratylenchus.
Technical scheme: for achieving the above object, the invention provides a kind of composition pesticide being active ingredient with fosthiazate and betacyfluthrin, fosthiazate and the percentage by weight of betacyfluthrin weight summation in composition pesticide are 5% ~ 98%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Described composition pesticide according to well known to a person skilled in the art method, can be mixed with the application forms of the applicable agricultural uses such as suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder.
Described composition pesticide is also containing the agriculturally acceptable insecticides adjuvant of preparation needed for pesticidal preparations, be selected from one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, bleeding agent, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, carrier, medium, surfactant, be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The production technology of the various application forms of described composition pesticide all belongs to existing known technology, does not repeat them here.
Composition pesticide provided by the invention, is applied to control crops nematode, as: root-knot nematode, pratylenchus etc.
Compared with prior art, the invention has the advantages that:
1, fosthiazate and betacyfluthrin is composite has beyond thought synergistic function, is used alone the control efficiency that improve insect and germ than single dose;
2, fosthiazate and the betacyfluthrin mechanism of action different, mixed can delay insect and the drug-fast generation of germ;
3, fosthiazate and betacyfluthrin two kinds of active ingredients composite, decrease Pesticide use amount, reduce use cost and alleviate pollution to environment.
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.
(1), preparation method's embodiment
Embodiment 1: described nematicidal composition is suspending agent, and each component percentages is respectively:
Concrete operation step is: first mixed by other auxiliary agent, and in clipper, shear-mixed is even, then adds active ingredient, in ball crusher, grinds 2-3h, make a diameter all at below 5mm, can obtain nematicidal composition aqueous suspension formulations of the present invention.
Embodiment 2: described nematicidal composition is aqueous emulsion, and each component percentages is respectively:
Concrete operation step is: first effective constituents A, solvent, emulsifier are mixed, and dissolves and becomes uniform oil phase.Again part water and other auxiliary agents are mixed, dissolve and become uniform aqueous phase.Then oil phase is added aqueous phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, nematicidal composition aqueous emulsion preparation of the present invention can be obtained.
Embodiment 3: described nematicidal composition is microemulsion, and each component percentages is respectively:
Concrete operation step is: active ingredient solvent and cosolvent are dissolved completely, and then adds other auxiliary agent, mixes, finally adds water, after fully stirring, can obtain nematicidal composition microemulsion formulation of the present invention.
Embodiment 4: described nematicidal composition is wetting powder, and each component percentages is respectively:
Concrete operation step is: active ingredient, other auxiliary agent and filler are mixed, fully stir in stirred tank, mixes, can obtain nematicidal composition wettable powder formulation of the present invention after airslide disintegrating mill is pulverized.
Embodiment 5: described nematicidal composition is water dispersible granules, and each component percentages is respectively:
Concrete operation step is: active ingredient, other auxiliary agent and filler are mixed, pulverize with micro jet, add after mediating after carrying out granulation, drying, screening in fluidized-bed granulation dryer, nematicidal composition water-dispersible grain agent formulation of the present invention can be obtained.
In above formulation, auxiliary agent is selected from the following stated:
Solvent can be trimethylbenzene, durene, methyl naphthalene, methyl oleate, fatty acid methyl ester, loose base oil, soybean oil, biodiesel, 2-butyl acetate, dimethyl carbonate, diesel oil, white oil, machine oil, etc. in one or more.
Emulsifier can be calcium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether, triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer, dibenzyl xenyl APEO, phenethyl phenol polyethenoxy ether, castor oil polyoxyethylene ether, phenethyl fluosite APEO, phenethyl phenol polyoxyethylene polyoxypropylene ether, alkylaryl polyoxyethylene polyoxypropylene ether, phenethyl phenol formaldehyde resin APEO, Sorbitan fatty acid ester, sorbitan fatty acid ester APEO, natural fatty alcohol and ethylene oxide adduct, fatty acid and ethylene oxide condensate, one or more in polyoxyethylene fatty acid ester etc.
Wetting agent can be one or more in sodium butylnaphthalenesulfonate, lauryl sodium sulfate, aliphatic alcohol polyethenoxy (6-7) ether, aerosol-OT salt, Morwet EFW, alkylnaphthalene sulfonate etc.
Disintegrant can be one or more in sodium bicarbonate, magnesium chloride, aluminium chloride, sodium chloride, urea, ammonium sulfate, bentonite etc.
Dispersant can be the formaldehyde condensation products of methyl naphthalene sulfonic acid sodium, sodium lignin sulfonate, calcium lignosulfonate, to methoxyl group fatty acyl anilinesulfonic acid, desugar one or more in the sodium lignin sulfonate of classification, naphthalene sulfonic acid condensate sodium salt, alkyl naphthalene sulfonic acid condensation polymer sodium salt, alkylphenol polyoxyethylene formaldehyde condensation products sulfuric acid etc.
Thickener can be one or more in xanthans, aluminium-magnesium silicate, bentonite, white carbon etc.
PH adjusting agent can be one or more in ammonium hydroxide, potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, citric acid, phosphoric acid etc.
Stabilizing agent can be one or more in epoxidized soybean oil, epoxychloropropane, butylated hydroxy anisole, dibutyl hydroxy toluene, n-propyl gallate, ditert-butylhydro quinone etc.
Defoamer can be one or more in silicone compound, methyl alcohol, silicone oil etc.
Antifreezing agent can be one or more in glycerine, ethylene glycol, propane diols, sorbierite, polyethylene glycol etc.
Carrier can be one or more in kaolin, diatomite, bentonite, white carbon, precipitated calcium carbonate, attapulgite, clay, talcum powder, quartz sand, starch, APG etc.
(2) indoor biological determination of activity and field efficacy embodiment
Embodiment 6: fosthiazate and betacyfluthrin are to the indoor joint toxicity measuring of root-knot nematode, pratylenchus.
Test medicine adopts the former medicine of 96% fosthiazate and the former medicine of 95% betacyfluthrin.
Root-knot nematode, pratylenchus system pick up from Tang Jiao village, Li Lin town of Zhong Kai district, Huizhou for many years root-knot nematode there is serious watermelon field, the watermelon old complaint of morbidity is taken back laboratory for subsequent use.
Survey standard method NY/T1833.1-2009 with reference to raw, adopt dip method.Nematode suspension preparation: the pieces of an egg of picking root-knot nematode from the watermelon root of morbidity, by sterile water wash, at 20-25 DEG C, hatching obtains consistent second instar larvae, with sterile water, nematode suspension concentration is adjusted to every milliliter about 300, for subsequent use.From low concentration to high concentration, draw liquid 3mL successively with pipettor to add respectively in test tube, then draw the equivalent nematode suspension 3mL prepared and add in test tube, make liquid and nematode suspension mixed in equal amounts even.Pipette the above-mentioned mixed liquor of 2mL in the Xiao Sun of many grandsons biochemical test plate with pipettor, add a cover, in 25 DEG C of constant temperature culture 24h.Often process 4 times repeat, and establish not containing liquid process in contrast.
Statistical analysis is carried out, by calculating the LC of each medicament with DPS statistical analysis software
50evaluate the eelworm-killing activity of each medicament, and calculate the co-toxicity coefficient (CTC value) of mixture according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard agent LC
50/ reagent agent LC
50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
According to the NY/T11547.7-2006 nematocide synergy criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
As can be seen from Table 1 and Table 2, fosthiazate and betacyfluthrin composite in the scope of 1:25 ~ 25:1 time, co-toxicity coefficient (CTC) is all greater than 120, all shows synergistic function to root-knot nematode, pratylenchus.Visible fosthiazate and betacyfluthrin is composite has reasonability and feasibility.
Table 1, fosthiazate and betacyfluthrin are to the indoor joint toxicity measuring result of root-knot nematode
Table 2, fosthiazate and betacyfluthrin are to the indoor joint toxicity measuring result of pratylenchus
Embodiment 7: fosthiazate and the composite field control effectiveness test to root-knot nematode, pratylenchus of betacyfluthrin
Root-knot nematode test site is positioned at watermelon garden, Compounds in Dongfang City of Hainan Province.In root-knot nematode harm Sheng phase dispenser, adopt pouring method.Adopt 20% Fosthiazate aqueous emulsion, 5% betacyfluthrin aqueous emulsion medicament in contrast, 7 chemicals treatment are established in test altogether, and each process repeats for 3 times.Manage cornerwise five of district before dispenser throughout and select the ill radix of investigation watermelon seedling, often some investigation 10 strain watermelons.Within after dispenser 7 days, 30 days, 100 days, respectively investigate a control efficiency, record diseased plant number, calculate control efficiency, result of the test is as shown in table 3.
Table 3, fosthiazate and betacyfluthrin mixture prevent and treat the result of the test of root-knot nematode
All to use apparently higher than the Fosthiazate aqueous emulsion single dose same period 20% preventive effect of root-knot nematode after fosthiazate and betacyfluthrin composite 7d, 30d, 100d as can be seen from Table 3 and 5% betacyfluthrin aqueous emulsion single dose uses, the preventive effect to root-knot nematode can be improved compared with illustrating that fosthiazate and betacyfluthrin are composite and being used alone with two kinds of single doses, after medicine, 100d preventive effect still reaches more than 90% simultaneously, illustrate to have good lasting effect, duration of test does not find that this compound drug produces poisoning to watermelon.
Pratylenchus test site is positioned at cucumber garden, Li Lin town, Huizhou.In pratylenchus harm Sheng phase dispenser, adopt pouring method.Adopt 20% Fosthiazate aqueous emulsion, 5% betacyfluthrin aqueous emulsion medicament in contrast, 7 chemicals treatment are established in test altogether, and each process repeats for 3 times.The ill radix of cornerwise five somes investigation cucumber in district is managed throughout, often some investigation 10 strain cucumber before dispenser.Within after dispenser 7 days, 30 days, 100 days, respectively investigate a control efficiency, record diseased plant number, calculate control efficiency, result of the test is as shown in table 4.
Table 4, fosthiazate and betacyfluthrin mixture prevent and treat the result of the test of pratylenchus
All to use apparently higher than the fosthiazate EW single dose same period 20% preventive effect of pratylenchus after fosthiazate and betacyfluthrin composite 7d, 30d, 100d as can be seen from Table 4 and 5% betacyfluthrin EW single dose uses, the preventive effect to pratylenchus can be improved compared with illustrating that fosthiazate and betacyfluthrin are composite and being used alone with two kinds of single doses, after medicine, 100d preventive effect still reaches more than 90% simultaneously, illustrate to have good lasting effect, duration of test does not find that this compound drug produces poisoning to cucumber.
Embodiment 8: root-knot nematode, pratylenchus are tested the pesticide resistance indoor measurement of fosthiazate betacyfluthrin
Fosthiazate, the former medicine of betacyfluthrin are mixed with the test medicine needed for test.Worm source gathers from Huizhou and Compounds in Dongfang City of Hainan Province.Test adopts dip method, the concentration that test medicine adopts is the 50%-90% lethal dose of root-knot nematode, pratylenchus, impregnated in treatment fluid by examination worm, rejects dead examination worm after 24 hours, the examination worm stayed continues at indoor feeding, so repeatedly processes 20 generations examination worm.If the liquid only containing auxiliary agent is treated to blank.Measure each medicament tries worm half lethal concentration LC to 1st generation, the 5th generation, the 10th generation and the 20th generation
50, by contrast each treatment agent to 1st generation, the 5th generation, the 10th generation and the 20th generation examination worm LC
50evaluate examination worm to change the pesticide resistance of reagent agent.
Can find out according to table 5, table 6, in fosthiazate and betacyfluthrin complex preparation process 20 generation, try the pesticide resistance that the pesticide resistance of worm population to this complex preparation is starkly lower than fosthiazate and the generation of betacyfluthrin single dose process 20 generation examination worm after trying worm.This test shows, fosthiazate and betacyfluthrin compositely effectively can delay root-knot nematode, pratylenchus develops immunity to drugs.
Table 5, fosthiazate and betacyfluthrin are composite to the drug-fast determination test result of root-knot nematode
Note: above table medium multiple represents that corresponding algebraically root-knot nematode is to the pesticide resistance of each medicament.
Table 6, fosthiazate and betacyfluthrin are composite to the drug-fast determination test result of pratylenchus
Note: above table medium multiple represents that corresponding algebraically pratylenchus is to the pesticide resistance of each medicament.
In sum, the present invention adopts two kinds of active components to be the complex composition of fosthiazate and betacyfluthrin, compared with existing unitary agent, not only there is obvious synergistic effect, also have and good kill nematode effect, the lasting period is long, to Crop securify, the generation of pest resistance to insecticide can be slowed down, be worth applying in agricultural production.
Claims (3)
1. one kind contains the composition pesticide of fosthiazate and betacyfluthrin, it is characterized in that: active ingredient is fosthiazate and betacyfluthrin, the weight ratio of fosthiazate and betacyfluthrin is 1:25 ~ 25:1, fosthiazate and betacyfluthrin weight summation percentage by weight are in the composition 5% ~ 98%, and all the other are allow in agricultural chemicals to use and receptible auxiliary element.
2. a kind of composition pesticide containing fosthiazate and betacyfluthrin according to claim 1, is characterized in that: the formulation of described composition pesticide is the one in suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder.
3. the composition pesticide containing fosthiazate and betacyfluthrin according to claim 1 is preventing and kill off the application in crops nematodiasis.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105076202A (en) * | 2015-08-27 | 2015-11-25 | 广东中迅农科股份有限公司 | Microcapsule suspension containing fosthiazate and beta-cyfluthrin |
| CN106232240A (en) * | 2014-03-12 | 2016-12-14 | 萨巴丁克斯佩洛有限责任公司 | The low pressure 2K hand-held spray guns improved |
| CN106495930A (en) * | 2016-09-13 | 2017-03-15 | 佛山市盈辉作物科学有限公司 | A kind of medicine fertilizer composition containing fosthiazate and betacyfluthrin |
| CN107467016A (en) * | 2017-08-21 | 2017-12-15 | 山东华阳农药化工集团有限公司 | A kind of preparation method of ultra-low volume fosthiazate finish and its compound chrysanthemum ester type compound finish |
| CN114982776A (en) * | 2022-05-17 | 2022-09-02 | 中研瑞科科技(北京)有限公司 | Fullerene functional liquid for preventing and treating root knot nematode disease of crops and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444210B (en) * | 2008-12-27 | 2011-11-23 | 深圳诺普信农化股份有限公司 | Desinsection composite with synergy and application thereof |
| CN102326579B (en) * | 2011-07-19 | 2013-10-02 | 陕西上格之路生物科学有限公司 | Insecticidal composition containing cycloxaprid and synthetic pyrethroid insecticides |
| CN103416426A (en) * | 2012-05-23 | 2013-12-04 | 陕西韦尔奇作物保护有限公司 | Insecticide composition containing fosthiazate and pyrethroids |
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2015
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106232240A (en) * | 2014-03-12 | 2016-12-14 | 萨巴丁克斯佩洛有限责任公司 | The low pressure 2K hand-held spray guns improved |
| CN105076202A (en) * | 2015-08-27 | 2015-11-25 | 广东中迅农科股份有限公司 | Microcapsule suspension containing fosthiazate and beta-cyfluthrin |
| CN106495930A (en) * | 2016-09-13 | 2017-03-15 | 佛山市盈辉作物科学有限公司 | A kind of medicine fertilizer composition containing fosthiazate and betacyfluthrin |
| CN107467016A (en) * | 2017-08-21 | 2017-12-15 | 山东华阳农药化工集团有限公司 | A kind of preparation method of ultra-low volume fosthiazate finish and its compound chrysanthemum ester type compound finish |
| CN114982776A (en) * | 2022-05-17 | 2022-09-02 | 中研瑞科科技(北京)有限公司 | Fullerene functional liquid for preventing and treating root knot nematode disease of crops and preparation method thereof |
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