CN101653144B - Pesticide composition with synergistic action - Google Patents
Pesticide composition with synergistic action Download PDFInfo
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- CN101653144B CN101653144B CN2009101648148A CN200910164814A CN101653144B CN 101653144 B CN101653144 B CN 101653144B CN 2009101648148 A CN2009101648148 A CN 2009101648148A CN 200910164814 A CN200910164814 A CN 200910164814A CN 101653144 B CN101653144 B CN 101653144B
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- fenpropathrin
- fenazaquin
- mite
- composition
- emulsifier
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Abstract
The invention relates to a mite-killing composition comprising the effective components of fenazaquin and fenpropathrin, wherein the proportion of the fenazaquin and the fenpropathrin in parts by mass is 20:1-1:60. The fenazaquin and the fenpropathrin are compounded, which has an obvious synergistic action, good quick-acting property and long acting period, can reduce the application quantity, is beneficial to delaying the generation of the drug resistance of harmful mites, and has the function of treatment to various insects. The invention can be used for preventing and treating the harmful mites on crops and is especially suitable for preventing and treating full-claw mites, tetranychus telarius and tetranychus urticae.
Description
Technical field
The present invention relates to a kind of miticide composition, be specially fenazaquin and the composite miticide composition of another acaricidal activity composition.
Background technology
Mite pest comprises Tetranychidae, Eriophyidae, Tenuipalpidae etc., because of its generation is many from generation to generation, fertility strong, the selfing degree high, is prone to miticide is developed immunity to drugs, and be one of most important pest species on the crops such as fruit tree, vegetables, cotton.Harmful mite important in the agricultural production at present produces resistance in various degree to most miticide; Show that according to people's results of study to the Chunan County panonychus citri in 2007 such as Xaisur China local panonychus citri has improved 25 times to the resistance of pyridaben.Simultaneously, frequent dispenser causes peasant burden to increase the weight of and increasing environmental pollution.That the improvement of resistance evil mite needs is efficient, economical, can delay the acaricide agent that evil mite pesticide resistance produces.
The miticide of different effects mechanism is composite to be to solve one of effective means that the evil mite develops immunity to drugs.
Fenazaquin: English common name Fenazaquin, chemical name: 4-spy-butyl benzene ethyl quinazoline, molecular formula: C
20H
22N
20Its structural formula is:
This medicine is the quinolines miticide, and orange tree, apple tree two spotted spider mite are had the better prevention effect, and the lasting period is long, to natural enemies security.Do not have cross resistance with existing miticide, be particularly suitable for preventing and treating the pest mite class that existing miticide is produced resistance.But fenazaquin is the same with other miticides, is easy to generate resistance, and single agent control evil mite cost is higher relatively.
Fenpropathrin: general English name Fenpropathrin, molecular formula: C
22H
23O
3N.Have tag, stomach toxicity and certain repellent action, do not inhale in not having, fumigation action.Insecticidal spectrum is wide, and the longevity of residure is long, can be used for preventing and treating insect and multiple harmful mites such as Lepidoptera, Homoptera, Semiptera, coleoptera, especially, controls but the worm mite is double when concurrent insect, evil mite.But fenpropathrin is general to the mite pest preventive effect.
Summary of the invention
The purpose of this invention is to provide a kind of miticide composition, be characterized in active high, obvious synergistic effect is arranged, be used for the control of pest mite on the crops such as fruit tree, cotton, vegetables, and be difficult for producing resistance the evil mite with synergistic effect.Another object of the present invention is to provide the application of said composition on agricultural.
The present invention realizes through following technical scheme:
A kind of miticide composition is characterized in that: active ingredient is fenazaquin and fenpropathrin, and the mass ratio of fenazaquin and fenpropathrin is 20: 1-1: 60, and the preferable quality ratio is 10: 1-1: 25.
Described miticide composition, wherein the active ingredient total content is 5%-90%, all the other are the pesticidal preparations auxiliary element.
Described miticide composition; Crop species, the residing environmental condition that it is characterized in that preventing and treating as required, prevent and treat multiple factors such as method, control cost; Active ingredient is added auxiliary agent and excipients process agricultural according to production technology well known by persons skilled in the art and go up available any formulation, preferred dosage form is missible oil, suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules.
Described miticide composition is characterized in that being used for the control of evil mite on the crops, is particularly useful for the control of Panonychus citri, Tetranychus cinnabarinus and Tetranychus urticae.
Beneficial effect of the present invention is: 1, two kinds of compositions combine to be used to prevent and treat harmful mite and have obvious synergistic effect in the composition, reduce the consumption of active ingredient, improve preventive effect, reduce cost; 2, composition is become to be grouped into by two types of mechanism of action different effective, has obvious synergistic effect, can delay the drug-fast generation of evil mite; 3, reduce dosage and medication number of times, practice thrift cost, reduce the pollution of environment.
Embodiment
Following examples are that the present invention is further explained, but the present invention is not limited thereto.
(1) prescription and preparation processing embodiment.Active component adopts former medicine of 99% fenazaquin and the former medicine of 92% fenpropathrin in the embodiment of the invention.
Embodiment 1:21% fenazaquin fenpropathrin wetting powder
Fenazaquin 20.20g
Fenpropathrin 1.09g
Lauryl sodium sulfate (wetting agent) 3g
Alkylnaphthalene sulfonate formaldehyde condensation products (dispersant) 5g
White carbon (filler) 6g
Kaolin (filler) is mended to 100g
Former medicine, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, and after airslide disintegrating mill was pulverized, screening promptly got 21% fenazaquin fenpropathrin wetting powder.(fenazaquin and fenpropathrin mass ratio are 20: 1)
Embodiment 2:16.5% fenazaquin fenpropathrin microemulsion
Fenazaquin 15.15g
Fenpropathrin 1.63g
N-Methyl pyrrolidone (solvent) 10g
Calcium dodecyl benzene sulfonate (emulsifier) 8g
Phenethyl phenol polyethenoxy ether (emulsifier) 7g
Deionized water complements to 100g
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase, slowly add in the entry under stirring,, be chilled to room temperature and make microemulsion again through the rapid phase inversion of agitating heating.(fenazaquin and fenpropathrin mass ratio are 10: 1)
Embodiment 3:24% fenazaquin fenpropathrin aqueous emulsion
Fenazaquin 20.20g
Fenpropathrin 4.35g
Xylol (cosolvent) 10g
Calcium dodecyl benzene sulfonate (emulsifier) 5g
Phenethyl phenol polyethenoxy ether (emulsifier) 5g
Deionized water complements to 100g
Former medicine, cosolvent, emulsifier are added together, make and be dissolved into even oil phase; With fenpropathrin and the mixed water that gets of water; Under high-speed stirred, oil phase is mixed with water, make aqueous emulsion.(fenazaquin and fenpropathrin mass ratio are 5: 1)
Embodiment 4:20% fenazaquin fenpropathrin milk oil
Fenazaquin 10.10g
Fenpropathrin 10.87g
Calcium dodecyl benzene sulfonate (emulsifier) 5g
Phenethyl phenol polyethenoxy ether (emulsifier) 5g
Xylol (solvent) complements to 100g
With former medicine, emulsifier and cosolvent etc., add mixing kettle successively by formula rate, stir, get 20% fenazaquin fenpropathrin milk oil.(fenazaquin and fenpropathrin mass ratio are 1: 1)
Embodiment 5:12% fenazaquin fenpropathrin microemulsion
Fenazaquin 2.02g
Fenpropathrin 10.87g
N-Methyl pyrrolidone (solvent) 10g
Calcium dodecyl benzene sulfonate (emulsifier) 8g
Phenethyl phenol polyethenoxy ether (emulsifier) 7g
Deionized water complements to 100g
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase, stir down and slowly adds in the entry,, make microemulsion after being chilled to room temperature again through the rapid phase inversion of agitating heating.(fenazaquin and fenpropathrin mass ratio are 1: 5)
Embodiment 6:22% fenazaquin fenpropathrin milk oil
Fenazaquin 2.02g
Fenpropathrin 21.74g
Calcium dodecyl benzene sulfonate (emulsifier) 4g
Phenethyl phenol polyethenoxy ether (emulsifier) 4g
Xylol (solvent) is mended to 100g
With active component, emulsifier and solvent etc., add successively in the mixing kettle in the ratio of filling a prescription, stir, get 22% fenazaquin fenpropathrin milk oil.(fenazaquin and fenpropathrin mass ratio are 1: 10)
Embodiment 7:26% fenazaquin fenpropathrin wetting powder
Fenazaquin 1.01g
Fenpropathrin 27.17g
Lauryl sodium sulfate (wetting agent) 3g
Alkylnaphthalene sulfonate formaldehyde condensation products (dispersant) 5g
Kaolin (filler) is mended to 100g
Former medicine, various auxiliary agent and filler etc. are fully mixed by formula rate, and screening promptly gets 26% fenazaquin fenpropathrin wetting powder after airslide disintegrating mill is pulverized.(fenazaquin and fenpropathrin mass ratio are 1: 25)
Embodiment 8:61% fenazaquin fenpropathrin microcapsule suspending agent
Fenazaquin 1.01g
Fenpropathrin 65.22g
Cyclohexanone (solvent) 1g
Polyisocyanates (curing agent) 0.4g
Gum Arabic (thickener) 1g
Deionized water complements to 100g
Adopt interfacial polymerization to prepare microcapsule suspending agent (" novel pharmaceutical formulation and new technology "-Lu Bin 1998; P-206).(fenazaquin and fenpropathrin mass ratio are 1: 60)
(2) biological activity determination of the present composition and the test of pesticide effectiveness
1. Toxicity Determination
With the female one-tenth mite of Tetranychus cinnabarinus is subjects; Employing leaf dish spray-on process (see " NY/T 1154.13-2008 agricultural chemicals indoor bioassay test rule insecticide. the 13rd part: leaf dish spray-on process "), the synergistic effect of measuring fenazaquin and the composite different proportion of fenpropathrin insecticidal/acaricidal agent is big or small.Co-toxicity coefficient (CTC value) according to the abundant method calculation composition of Sun Yun:
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ confession reagent agent LC
50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
When CTC≤80, then the composition performance is for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC>=120, then the composition performance is synergistic effect.
Table 1 fenazaquin and fenpropathrin are composite to the female Toxicity Determination that becomes mite of Tetranychus cinnabarinus
| Handle | LC 50(mg/L) | ATI | TTI | CTC |
| Fenazaquin | 14.9 | 100 | ||
| Fenpropathrin | 26.76 | 55.68 | ||
| Fenazaquin 20: fenpropathrin 1 | 11.31 | 131.74 | 97.89 | 134.58 |
| Fenazaquin 10: fenpropathrin 1 | 8.12 | 183.50 | 95.97 | 191.20 |
| Fenazaquin 5: fenpropathrin 1 | 7.43 | 200.54 | 92.61 | 216.53 |
| Fenazaquin 1: fenpropathrin 1 | 7.28 | 204.67 | 77.84 | 262.94 |
| Fenazaquin 1: fenpropathrin 5 | 8.73 | 170.68 | 63.07 | 270.63 |
| Fenazaquin 1: fenpropathrin 10 | 9.26 | 160.91 | 59.71 | 269.48 |
| Fenazaquin 1: fenpropathrin 25 | 12.67 | 117.60 | 57.38 | 204.93 |
| Fenazaquin 1: fenpropathrin 60 | 14.51 | 102.69 | 57.11 | 179.81 |
Fenazaquin and fenpropathrin become the Toxicity Determination result of mite to show to Tetranychus cinnabarinus is female; Fenazaquin and fenpropathrin are composite at ratio range 20: 1-1: between 60, have synergistic effect, especially 10: 1-1: between 25; Synergistic effect is remarkable, and co-toxicity coefficient is at (table 1) more than 180.
2, the composite field controling test of fenazaquin and fenpropathrin to the cotton tetranychid
The method that test adopts knapsack sprayer to carry out whole tree spraying is chosen two spotted spider mite consistent cotton is taken place, hanging test sign, and the insect population radix investigated, complete stool even spraying then, inspection in 1 day, 7 days, the 21 days borer population of living behind medicine.Observe the preventive effect of compound drug in the process of the test simultaneously to cotton bollworm.
Table 3 fenazaquin and fenpropathrin compound drug are to the preventive effect of cotton tetranychid
The result of the test of fenazaquin and fenpropathrin compound drug shows that fenazaquin and the effect of fenpropathrin compound synergic are remarkable.After the dispenser 1 day, all more than 80%, minimum 82.5% (embodiment 1) was better than 67.1% of fenazaquin list agent to each compound drug, explains that the composite back of fenazaquin and fenpropathrin quick-acting improves to the control efficiency of cotton tetranychid; After the dispenser 21 days, the preventive effect of compound drug greater than 65.4% of fenpropathrin list agent, explained that the composite back of fenazaquin and fenpropathrin lasting effect improves all more than 90%.
Experimental observation shows simultaneously; Fenazaquin and fenpropathrin different proportion are composite; The preventive effect of cotton bollworm all greater than 80%, is far longer than the control efficiency 63.2% of fenpropathrin list agent, explains that the composite control to cotton bollworm of fenazaquin and fenpropathrin has synergistic effect.
Can find out that from test the quick-acting of compound drug and lasting effect all have raising in various degree, can reduce dosage, reduce spraying times, produce, reduce cost, the protection environment thereby delay pesticide resistance.
Claims (4)
1. a miticide composition is characterized in that active ingredient is fenazaquin and fenpropathrin, and the mass ratio of fenazaquin and fenpropathrin is 20: 1-1: 60.
2. miticide composition according to claim 1, the mass ratio that it is characterized in that fenazaquin and fenpropathrin is 10: 1-1: 25.
3. miticide composition according to claim 1 is characterized in that formulation is missible oil, suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules.
4. the described miticide composition of claim 1 is used to prevent and treat harmful mite and the purposes of insect on fruit tree, cotton, vegetables and the flowers crop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101648148A CN101653144B (en) | 2009-08-03 | 2009-08-03 | Pesticide composition with synergistic action |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101648148A CN101653144B (en) | 2009-08-03 | 2009-08-03 | Pesticide composition with synergistic action |
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| Publication Number | Publication Date |
|---|---|
| CN101653144A CN101653144A (en) | 2010-02-24 |
| CN101653144B true CN101653144B (en) | 2012-11-21 |
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ID=41707771
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|---|---|---|---|
| CN2009101648148A Active CN101653144B (en) | 2009-08-03 | 2009-08-03 | Pesticide composition with synergistic action |
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| CN107691444A (en) * | 2017-09-20 | 2018-02-16 | 江苏明德立达作物科技有限公司 | A kind of Fenpropathrin microcapsule suspending agent and preparation method thereof |
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