CN103404532A - Insecticide composition containing thiacloprid and bifenthrin and application of insecticide composition - Google Patents
Insecticide composition containing thiacloprid and bifenthrin and application of insecticide composition Download PDFInfo
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- CN103404532A CN103404532A CN2013103894247A CN201310389424A CN103404532A CN 103404532 A CN103404532 A CN 103404532A CN 2013103894247 A CN2013103894247 A CN 2013103894247A CN 201310389424 A CN201310389424 A CN 201310389424A CN 103404532 A CN103404532 A CN 103404532A
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- thiacloprid
- biphenthrin
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Abstract
The invention relates to an insecticide composition containing thiacloprid and bifenthrin. The insecticide composition has an excellent synergetic effect. The weight ratio of the thiacloprid to the bifenthrin in the composition in term of active components is preferably 10:1 to 1:10, and more preferably 5:1 to 1:5. The invention also relates to a preparation method of the insecticide composition and application of the insecticide composition to prevention and control of pests in tea trees.
Description
Technical field
The present invention relates to a kind of Pesticidal combination of preventing and treating Pests of Tea-Plants.More particularly, the present invention relates to a kind of contain the Pesticidal combination of thiacloprid and Biphenthrin and by said composition be used to preventing and treating the purposes of Pests of Tea-Plants.
Background technology
Smaller green leaf hopper, belong to the Homoptera Cicadellidae, is commonly called as leafhopper, leaf springtail etc., occurs generally, and tea province is respectively produced in the whole nation, all there is generation in autonomous region.Smaller green leaf hopper is divided into two kinds of tea lesser leafhopper and false eye leafhoppers, wherein take the false eye leafhopper Occurrence as main, is one of main tea insects.8-12 occurred in 1 year for left and right in this worm, and the alternation of generations, inhaled the tender tip juice of tea tree with adult, nymph thorn, consumed nutrient and moisture; Female worm lays eggs in tender tip tissue, and blastogenesis length is obstructed.The bud-leaf leaf margin flavescence that makes after causing harm to be injured is dried-up, vein is rubescent, the growth retardation sclerosis, even come off, and the bud-leaf tea making of being injured is frangible, puckery, poor quality, the summer autumn tea of seriously causing harm, be injured that the tea tree bud-leaf is rolled up, sclerosis, blade tip and leaf margin reddish brown dried-up, bud tip poor growth is very large on tea yield and quality impact.
Tea geometrid belongs to the Lepidoptera Geometridae, and popular name arch arch worm, hogback worm, hang spring worm, be that tea place occurs generally, one of more serious kind causes harm.Because this worm generation is many, breeding is fast, spreads rapidly, very easily breaks out and causes disaster.Larva stings food blade camber and incises and occur when serious, And Development of Tea Shoot to be eaten into to baldness, only stays bald branch, causes tree vigo(u)r weak, and cold-hartliness is poor, is subject to freeze injury.The large generation gnawed a light by the full wafer tea place often, and shape is if burnt, on the Tea Production impact greatly.On the south the Yangtze river basin, respectively produce tea and economize, You Yijiang, ,Wan, Hunan, Zhejiang etc. are economized and are occurred seriously.
At present, control smaller green leaf hopper and tea geometrid mainly contain the conventional pesticides such as gamma cyhalothrin, Buprofezin, Imidacloprid, sumithion, chlorophos, due to long-term use, resistance is more and more stronger, does not also reach desirable control efficiency even strengthen dosage.Along with economic fast development and the raising of living standards of the people, people are more and more higher to the requirement of tea quality and output, therefore, develop new control medicament and seem very important and urgent.
Thiacloprid, chemical name: (3-((6-chloro-3-pyridyl base) methyl)-1,3-thiazoles quinoline-2-subunit) cyanamide, english common name: Thiacloprid, molecular formula: C
10H
9ClN
4S, molecular weight: 252.72, No. CA: 111988-49-9, outward appearance: light yellow crystalline powder, vapour pressure: 3 * 10
-7MPa (20
oC), fusing point: 136 ℃, boiling point: more than 270 ℃, density: 1.46g/ml, dissolubility: water 185(mg/L, 20
oC), n-hexane<0.1, dimethylbenzene 0.30, carrene 160, positive suffering 1.4, normal propyl alcohol 3.0, acetone 64, ethyl acetate 9.4, polyethylene glycol 42, acetonitrile 52, methyl-sulfoxide 150, stable in the buffer solution of stability: pH5-9.Thiacloprid is novel chloro nicotinic insecticide, its mechanism of action and other conventional pesticides are different, Main Function is in the neural caudacoria that engages of insect, by with nAChR, being combined, interference insect nervous system normal conduction, cause and the obstruction of neural channel cause a large amount of accumulation of acetylcholine, thereby make the insect exaltation, whole body spasm, paralysis and dead.Thiacloprid has stronger interior suction, tags and stomach poison function, there is no cross resistance with common insecticides, is one of efficient medicament of control pierce-suck type and pests with chewing mouthparts.
Biphenthrin, chemical name: 2-methyl biphenyl-3-ylmethyl-(Z)-(1RS)-cis-3-(2-chloro-3,3, the fluoro-1-acrylic of 3-tri-)-2,2-dimethyl cyclopropane carboxylic acid ester, english common name: bifenthrin, molecular formula: C
23H
22ClF
3O
2Molecular weight: 422.87, No. CA: 83322-02-5, former medicine outward appearance: thick liquid is crystalline or waxy solid, fusing point: 51-66 ℃, density: 1.21 g/ml, vapour pressure: 0.024mPa (25 ℃), solvability: be dissolved in carrene, toluene, chloroform, acetone, ether, be slightly soluble in heptane and methyl alcohol, water-soluble hardly, stable in the time of 20 to 25 ℃.Biphenthrin is the pyrethroid Insecticidal and acaricidal agent, have tag, stomach poison function, insecticidal spectrum is wide, effect rapidly.Because Biphenthrin does not move in soil, safer to environment, the lasting period is longer, is applicable on the crops such as cotton, fruit tree, vegetables, tealeaves prevent and treat insect and the evil mites such as lepidopterous larvae, aleyrodid, aphid, leaf miner, leafhopper, tetranychid.
Thiacloprid and Biphenthrin are the diverse insecticide of mechanism of action, thiacloprid and Biphenthrin are carried out rationally composite, and the effect that it shows or activity level exceed the stack of each composition activity, have unforeseeable synergistic function.The composite generation that also can slow down pest resistance of the two simultaneously, the life cycle that extends product.The single dose product that thiacloprid and Biphenthrin are arranged in the market, apply extensivelyr, but there is not yet so far both complex preparation product.
Summary of the invention
One of purpose of the present invention is to provide a kind of Pesticidal combination that contains thiacloprid and Biphenthrin, and it has excellent synergistic effect.
Another object of the present invention is to provide the preparation method of described Pesticidal combination and be used to preventing and treating the purposes of Pests of Tea-Plants.
Ratio between Pesticidal combination active component of the present invention can change within a large range.Wherein, the weight ratio of thiacloprid and Biphenthrin is preferably 10:1 to 1:10, more preferably 5:1 to 1:5.Generally speaking, in composition, the weight percentage of thiacloprid is 1～80%, and the weight percentage of Biphenthrin is 1～50%.
Composition pesticide of the present invention can be mixed with according to the conventional production process of this area agricultural chemicals suspension agent, water dispersible granules.Administration form depends on specific application, in all cases, must guarantee that their dispersion is trickle as much as possible and even.
Can prepare in a known manner by these preparations, for example, by reactive compound is mixed with liquid flux and/or solid carrier, if necessary, surfactant such as emulsifier, dispersant, wetting agent etc. can be added simultaneously, other auxiliary agent such as thickener, defoamer, antifreeze, pH adjusting agent, warning agent, preservative etc. can also be added.If use water as thinner, also available other organic solvent is made cosolvent.
The organic solvent be applicable to comprises: aromatic compound (for example dimethylbenzene); Chlorinated aromatic hydrocarbons compound (for example chlorobenzene); The hydrocarbon compounds such as atoleine; Alcohols (for example methyl alcohol, ethanol); Ketone (for example cyclohexanone); Amine (for example monoethanolamine, dimethyl formamide); Ethers (for example benzinum); Vegetable oil (corn oil, cottonseed oil); Ester class (such as methyl oleate) etc., and other synthetics.
The synthetic mineral matter (such as white carbon, silicate etc.) that solid carrier commonly used has natural mineral matter (such as kaolin, talcum, bentonite, attapulgite, histosol) and grinds.
Surfactant can be: fatty alcohol-polyoxyethylene ether (AEO-5), alkylphenol polyoxyethylene (NP-10), multi-styrene phenol APEO (601, 33#), talan phenol poly-formaldehyde condensate APEO (404), polyoxyethylene nonylphenol ether formaldehyde condensation products (700#), castor oil polyoxyethylene ether (BY-125), polyoxyethylene polyoxypropylene block polyether (L61), aliphatic acid polyethenoxy ether (SG-40), sorbitol ester APEO (Tween 80), alkyl glycoside APG(APG(C12-14)), organosilicon APEO (SILWET-L77), the tallow amine APEO, calcium dodecyl benzene sulfonate (500#), sulfuric acid (K12), Sulfonates (sodium lignin sulfonate), sulphosuccinates class (fast T), polycarboxylate (2700, T36), phosphates (601P), modification terminal olefine sulfonate, the modification polyoxyethylene nonylphenol ether, , with and compound surfactant (0203, 0204, 2201).Polyester macro-molecular surfactant and extraordinary emulsifier mixture (3468)
Thickener; can be for example carboxymethyl alcohol, polyvinyl alcohol or the polyvinyl acetate synthesized; or natural water-soluble polymer; such as xanthans, gelatin, gum Arabic, phenolic resins, shellac, carboxymethyl cellulose and sodium alginate etc., add in preparation with powder, particle or latex form.
Defoamer: silicone, C
8-10Fatty alcohol, phosphoric acid ester, C
10-20Saturated fat acids (as capric acid) and amide-type etc.
Antifreeze: ethylene glycol, glycerine etc.
PH adjusting agent: oxalic acid, citric acid, sodium carbonate, sodium hydroxide, etc.
Warning agent; Acid red, rhodamine toner, light blue, emerald etc.
Preservative: Sodium Benzoate, 2,6 BHTs (BHT) etc.
Usually composition contains 0.01 to 90% active component by weight, and, usually according to the difference of preparation type, preferably contains 5 to 75% active component by weight.
The application dosage of the present composition, the difference according to factors such as Different Crop, time of application, weather conditions, be generally 5～100 grams (milliliter)/mu, generally adopts foliar spray.
Pesticidal combination of the present invention has the following advantages: the one, and this Pesticidal combination shows fabulous synergistic effect in certain ratio range, mixed composition has obviously improved insecticidal effect than its single dose, thereby reduced application dosage, reduced the pressure to environment when reducing drug cost.The 2nd, this Pesticidal combination has enlarged insecticidal spectrum, can prevent and treat simultaneously multiple Pests of Tea-Plants, has saved the labour, saving of work and time.
Embodiment
The invention will be further described below in conjunction with embodiment, but it is only example, and absolutely not scope of the present invention is construed as limiting.In each example, except as otherwise noted, the percentage composition of each component or percentage all refer to weight percentage or weight proportion.
Embodiment 1 12% thiacloprid Biphenthrin suspending agent
Each material quality mark is than as follows: former medicine (95%) 74 KG of thiacloprid, the former medicine of Biphenthrin (95%) 53KG, alkylphenol polyoxyethylene phosphate 15KG, alkyl naphthalene sulfonic acid condensation polymer sodium salt 15 KG, aluminium-magnesium silicate 5 KG, ethylene glycol 50 KG, silicone defoaming agent 3 KG, Sodium Benzoate 3 KG, water are supplied.During production, each raw material is added in modulation kettle and stirs 30min, the water amount of supplying, sand milling approximately 2 hours, froth breaking is also regulated the pH value and is namely obtained 12% thiacloprid Biphenthrin suspending agent.
Embodiment 2 10% thiacloprid Biphenthrin suspending agents
Each material quality mark is than as follows: former medicine (95%) 43 KG of thiacloprid, the former medicine of Biphenthrin (95%) 64KG, alkylphenol polyoxyethylene phosphate 15KG, alkyl naphthalene sulfonic acid condensation polymer sodium salt 10 KG, aluminium-magnesium silicate 5 KG, ethylene glycol 50 KG, silicone defoaming agent 3 KG, Sodium Benzoate 3 KG, water are supplied.During production, each raw material is added in modulation kettle and stirs 30min, the water amount of supplying, sand milling approximately 2 hours, froth breaking is also regulated the pH value and is namely obtained 10% thiacloprid Biphenthrin suspending agent.
Embodiment 3 50% thiacloprid Biphenthrin water dispersible granules
Each material quality mark is than as follows: former medicine (95%) 422 KG of thiacloprid, the former medicine of Biphenthrin (95%) 106KG, modification terminal olefine sulfonate 48KG, polycarboxylate 40 KG, starch 100 KG, kaolin are supplied.During production, each raw material is mixed by Jet Mill and pulverize, the intermediate after pulverizing is put into to pelletize drying equipment, by the equipment operating requirement, granulation, dry rear screening namely obtains 50% thiacloprid Biphenthrin water dispersible granules.
Embodiment 4 30% thiacloprid Biphenthrin water dispersible granules
Each material quality mark is than as follows: former medicine (95%) 211 KG of thiacloprid, the former medicine of Biphenthrin (95%) 106KG, modification terminal olefine sulfonate 40KG, polycarboxylate 30 KG, starch 100 KG, kaolin are supplied.During production, each raw material is mixed by Jet Mill and pulverize, the intermediate after pulverizing is put into to pelletize drying equipment, by the equipment operating requirement, granulation, dry rear screening namely obtains 30% thiacloprid Biphenthrin water dispersible granules.
Biological Examples 1 thiacloprid and Biphenthrin are mixed to the indoor synergy test of tea lesser leafhopper
Tea lesser leafhopper, 2 age nymph, the experiment indoor feeding.Testing the former medicine former medicine of 95% Biphenthrin and the former medicine of 95% thiacloprid is provided by Weierda Chemical Co., Ltd., Zhejiang, and test method adopts soaks slightly feeding method of tea.Take the former medicinal acetone solution of 40mg active ingredient, tween water is mixed with the mother liquor of 4000ppm.Mother liquor namely obtains the desired concn liquid with 0.05% tween water dilution.According to single dose preliminary experiment toxicity test result, select Biphenthrin/thiacloprid mass ratio to be respectively 5/1,3/1,1/1,1/3,1/5 5 representational proportioning, each is processed 3 and repeats, and establishes blank.Tea is slightly sprayed to medicine with spray bottle, the contrast water spray.Medicine liquid spray evenly drips and is advisable to the medicine that drips, after the liquid drying, nymph is moved into, slightly install raising with water planting tea, every glass of nymph is counted the 10-15 head, anyway borer population and radix of investigation in 2 days after medicine, calculate each lethality of processing and corrected mortality (Abbott ' s formula); By " SPSS data handling system " 16.0 professional versions, carry out the data analysis statistics, obtain regression line, LC
50.By the abundant method of Sun Yun (Sun etc., 1960), calculate toxicity index, and calculate co-toxicity coefficient.If co-toxicity coefficient is greater than 120, shows synergistic effect is arranged; If be less than 80, be indicated as antagonism; If be greater than 80, be less than 120, be indicated as summation action.Result of the test is in Table 1
Actual measurement (using with) toxicity index (ATI)=
The content (%) of toxicity index * A in mixed of theoretical mixed toxicity index (ATI)=A
The content (%) of toxicity index * B of+B in mixed
Co-toxicity coefficient (CTC)=
Conclusion: to the indoor synergy mensuration of tea tree tea lesser leafhopper, result shows, in five formula proportionings, all shows as synergistic effect through thiacloprid proportionings different from Biphenthrin.
Biological Examples 2 control tea tree tea geometrid field control effectiveness tests
Sample A:12% thiacloprid Biphenthrin suspending agent (example of formulations 1), Weierda Chemical Co., Ltd., Zhejiang; Contrast: 36% thiacloprid water dispersible granules (Shandong United Pesticide Industry Co., Ltd.); 25 grams per liter Biphenthrin missible oil (Nanjing HongTaiYang Co., Ltd)
For studying thing: tea tree; Target object: tea geometrid (2～3 age) larva; Place: camellia garden, Yuhang District footpath, Zhejiang Hangzhou city; Community arranges: 16 square metres of each community areas, and adopt random district group to arrange, establish altogether 6 processing, every processing repeats for 4 times; Dispenser period: tea geometrid low instar larvae phase dispenser; Spraying time and time counting method: on July 24th, 2013, dispenser once; Investigation: after medicine 7 days; Result is as shown in table 3
The drug effect computational methods:
Table 3
Conclusion: tri-of sample A have good control efficiency for examination concentration to tea lesser leafhopper, and average preventive effect is 94.9%～99.5%, all higher than the contrast medicament.
Claims (6)
1. Pesticidal combination, is characterized in that containing the active component of thiacloprid and Biphenthrin.
2. according to the Pesticidal combination of claim 1, it is characterized in that thiacloprid and Biphenthrin are preferably 10:1 to 1:10 based on the weight ratio of active component.
3. according to the Pesticidal combination of claim 1, it is characterized in that thiacloprid and Biphenthrin are based on the weight ratio of active component 5:1 to 1:5 more preferably.
4. according to the Pesticidal combination of claim 1, the weight percentage that it is characterized in that thiacloprid in composition is 1～80%, and the weight percentage of Biphenthrin is 1～50%.
5. according to the Pesticidal combination of claim 1, it is characterized in that said composition can be mixed with water dispersible granules, wettable powder agent formulation.
6. application that contains the Pesticidal combination of thiacloprid and Biphenthrin, is characterized in that be used to preventing and treating the purposes of Pests of Tea-Plants.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103814930A (en) * | 2014-02-19 | 2014-05-28 | 浙江威尔达化工有限公司 | Thiacloprid and diafenthiuron containing insecticidal composition and application thereof |
| CN105076181A (en) * | 2015-02-12 | 2015-11-25 | 四川利尔作物科学有限公司 | Disinsection and acaricidal composition and application thereof |
| CN106417349A (en) * | 2016-09-12 | 2017-02-22 | 广西南宁乐蕊生物科技有限责任公司 | Insecticidal composition containing bifenthrin and celangulin |
| CN107788007A (en) * | 2016-08-29 | 2018-03-13 | 上海生农生化制品有限公司 | A kind of Biphenthrin thiacloprid micro-capsule suspension and preparation method thereof |
| CN111972429A (en) * | 2020-08-21 | 2020-11-24 | 重庆中邦药业（集团）有限公司 | Preparation method of double-microcapsule longicorn pesticide |
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| CN102524292A (en) * | 2010-12-22 | 2012-07-04 | 浙江森得保生物制品有限公司 | Special effect formula for controlling whitefly |
| CN102960361A (en) * | 2012-11-21 | 2013-03-13 | 北京明德立达农业科技有限公司 | Insecticide composition and application thereof |
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| CN1946296A (en) * | 2004-02-10 | 2007-04-11 | 拜尔农作物科学股份公司 | Combinations of insecticide active agents based on thiacloprid and pyrethroids |
| PT1715743E (en) * | 2004-02-10 | 2013-11-20 | Bayer Cropscience Ag | Combinations of insecticide active agents based on thiacloprid and pyrethroids |
| CN102524292A (en) * | 2010-12-22 | 2012-07-04 | 浙江森得保生物制品有限公司 | Special effect formula for controlling whitefly |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103814930A (en) * | 2014-02-19 | 2014-05-28 | 浙江威尔达化工有限公司 | Thiacloprid and diafenthiuron containing insecticidal composition and application thereof |
| CN103814930B (en) * | 2014-02-19 | 2018-08-31 | 浙江威尔达化工有限公司 | A kind of Pesticidal combination and its application containing thiacloprid and diafenthiuron |
| CN105076181A (en) * | 2015-02-12 | 2015-11-25 | 四川利尔作物科学有限公司 | Disinsection and acaricidal composition and application thereof |
| CN107788007A (en) * | 2016-08-29 | 2018-03-13 | 上海生农生化制品有限公司 | A kind of Biphenthrin thiacloprid micro-capsule suspension and preparation method thereof |
| CN106417349A (en) * | 2016-09-12 | 2017-02-22 | 广西南宁乐蕊生物科技有限责任公司 | Insecticidal composition containing bifenthrin and celangulin |
| CN111972429A (en) * | 2020-08-21 | 2020-11-24 | 重庆中邦药业（集团）有限公司 | Preparation method of double-microcapsule longicorn pesticide |
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Application publication date: 20131127 |