CN101390519B - Acaricide composition containing bromopropylate and avermectin with synergistic action - Google Patents
Acaricide composition containing bromopropylate and avermectin with synergistic action Download PDFInfo
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- CN101390519B CN101390519B CN2008101325804A CN200810132580A CN101390519B CN 101390519 B CN101390519 B CN 101390519B CN 2008101325804 A CN2008101325804 A CN 2008101325804A CN 200810132580 A CN200810132580 A CN 200810132580A CN 101390519 B CN101390519 B CN 101390519B
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- 239000000203 mixture Substances 0.000 title claims abstract description 15
- 239000000642 acaricide Substances 0.000 title claims description 5
- 230000000895 acaricidal effect Effects 0.000 title claims description 3
- 239000005660 Abamectin Substances 0.000 title abstract description 11
- RRZXIRBKKLTSOM-XPNPUAGNSA-N avermectin B1a Chemical compound C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 RRZXIRBKKLTSOM-XPNPUAGNSA-N 0.000 title abstract description 4
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- UOAMTSKGCBMZTC-UHFFFAOYSA-N dicofol Chemical compound C=1C=C(Cl)C=CC=1C(C(Cl)(Cl)Cl)(O)C1=CC=C(Cl)C=C1 UOAMTSKGCBMZTC-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a pesticide composite, which is composed of bromopropylate and avermectin and used to prevent and control pest mites in agriculture. The pesticide composite has the advantages that the composite has obvious synergism effect and persistent effect after complex formulation, particularly having the synergism effect in fighting against citrus red mites. The pesticide composite can be formulated into emulsifiable concentrate, aqueous emulsion, micro-emulsion, suspension, water dispersible granule and wettable powder. The composite overcomes and slows the drug resistance ofthe pests, expands the control spectrum, quickly kills mites, reduces the medication costs and lessens the toxicity. The invention is particularly used in fighting against resistance-red mites, and the effect is significantly higher than that of single dose.
Description
Technical field
The composition pesticide that this invention relates to is to be active ingredient with fenisobromolate and AVM, prevents and treats the harmful mite on the agricultural.
Technical background
Fenisobromolate (bromopropylate), chemical name are 4,4 '-dibromo diphenylglycollic acid isopropyl ester; Be the miticide of a kind of low toxicity, efficient, wide spectrum, tagging property is strong, and the lasting period is long; To one-tenth, if mite and ovum all have action of contace poison preferably, variations in temperature is little to the influence of drug effect.Be widely used on fruit tree, vegetables, tealeaves, cotton and the field-crop, be used to prevent and treat evil mites such as various tetranychids, goitre mite, palpus mite, line mite.Because its particular mechanism of fenisobromolate product, its usage amount progressively enlarge.
The main insecticidal constituent of AVM (abamectin) (Avermectin Bla+Blb, wherein Bla is not less than 90%, Blb is no more than 5%) is demarcated with the content of Bla.After the harmful utmost point in 1991 went out (abamectin) entering China agricultural chemicals market, the AVM series pesticide occupied than critical role in the control of insect system of China.
Report abamectin pest killing spectrum has 84 kinds at present; China be used for preventing and treating more polypide little, from generation to generation many, be prone to drug-fast insect such as pear sucker, cotten aphid etc.; The insect of leaf mining property such as Americal rice leaf miner etc., evil mite such as Tetranychus urticae, tea orange tetranychid, tetranychus viennensis and the host is wide, feeding habits are assorted insect such as diamond-back moth etc.The insecticidal mechanism that AVM is unique: AVM is a kind of never poison; Its mechanism is the GABAA acceptor that acts on insect synapse or neuromuscular synapse, and the information transmission of nerve endings promptly excites nerve endings to emit neurotransmission inhibitor GABA (GA-BA) in the interference insect body; Impel the chloride channel of GABA gate to prolong open; Chloride channel is had activation, and a large amount of chlorions pour in and cause the hyperpolarization of neu current potential, cause neu to be in holddown; Thereby getting in touch of block nerves tip and muscle makes insect paralysis, food refusal, death.Because of its mechanism of action uniqueness, so do not have cross resistance with medicament commonly used.
It is reported that except that the chloride channel of GABA acceptor control, AVM can also influence the chloride channel of other ligand controls, can induce the irreversible increase of the myofibrillar film conduction of the innerv locust of no GABA ability like Ivermectin.
In the real process of agricultural production, the problem that pest control is easy to generate most is the drug-fast generation of insect evil mite, and important harmful mite on the agricultural is because its breeding cycle is short, and breeding amount is big, and mobility is little, and the selfing degree is high, is easy to generate resistance especially.In some mite classes serious zone of causing harm, common miticide such as dicofol, pyridaben, use has not had any effect separately.AVM is because large-area application has also caused very serious resistance.
Go up the harmful mite that produces resistance for control agricultural, a kind of way be release new do not have the composition of mutual antibiosis with existing kind.But the development cost of new active ingredient is high, and the construction cycle is long, and all produces the speed of resistance less than insect forever.Other method such as crop allocation are adjusted, the usage amount of different agricultural chemicals, thereby have delayed the generation of pest resistance to insecticide greatly, are the important means of integrated control insect.Still nobody reported in the composite and application of fenisobromolate and AVM at present.
Summary of the invention
Go up the two spotted spider mite that produces resistance in order to prevent and treat agricultural, we have carried out mutual composite synergy research with compositions such as fenisobromolate, AVMs.The tangerine Panonychus citri tested object in field is adopted in test, and compares with the sensitive strain row of indoor feeding.
Concrete experimental design is:
1) test medicine
The former medicine of fenisobromolate (bromopropylate), content 95% (Shaanxi Welch Crop Protection Co., Ltd. provides).
The former medicine of AVM (abamectin), content 95% (Shaanxi Welch Crop Protection Co., Ltd. provides).
2) compounding method for medicament
Test at first is mixed with 1% suspending agent mother liquor with AVM, and prescription is: former medicine 1.00g, agricultural newborn 500#1.00g, emulsifier 600 #1.00g, xanthans 0.20g, deionized water 96.8g; Fenisobromolate is mixed with 1% aqueous suspension agent mother liquor, and prescription is: former medicine 1.00g, agricultural newborn 500#1.00g, emulsifier 600 #1.00g, xanthans 0.20g, deionized water 96.8g.
Other establishes no medicine blank.
3) dosage setting
Earlier AVM, fenisobromolate two single agent and different proportioning mixture thereof are carried out preliminary experiment, confirm each medicament effective range, design 5 concentration respectively by active constituent content then and handle, concrete concentration is handled as follows:
AVM 4,8,16,32,64 μ g/ml
Fenisobromolate 0.5,1,2,4,8 μ g/ml
AVM: fenisobromolate (20: 1) 3,6,12,24,48 μ g/ml
AVM: fenisobromolate (15: 20) 3,6,12,24,48 μ g/ml
AVM: fenisobromolate (10: 40) 3,6,12,24,48 μ g/ml
AVM: fenisobromolate (5: 60) 3,6,12,24,48 μ g/ml
AVM: fenisobromolate (0.5: 80) 3,6,12,24,48 μ g/ml
Blank
4) test repetition: each concentration is handled repetition 4 times, and each repeats used examination borer population is 30.
5) processing mode: slide infusion process.
Test method
This test is with reference to " agricultural chemicals indoor bioassay test rule insecticide " income.Adopt the slide infusion process.Two-sided tape is cut into 2～3cm length; Be attached to an end of microslide; Throw off the scraps of paper on the adhesive tape with tweezers; Select the citrus red mite that size is consistent, body colour is bright-coloured, action is active with No. zero writing brush and become mite, its back is bonded on the two-sided tape (note not clinging mite foot, mite must and mouthpart), every sticking 3 row.In temperature is 25 ± 1 ℃, behind the placement 4h, uses binocular vision in the biochemical incubator about RH=85%, and it is individual to reject torpescence, and reaching 10 of every row is that every slide has 30 active one-tenth mites.One end of band mite slide is immersed in the soup, take out after shaking 5s gently, inhale with blotting paper rapidly and remove unnecessary soup.Slide is put into the pallet that is covered with wetting sea, in the biochemical incubator of above-mentioned condition.
1) investigation method
24 as a child with binocular inspection examination worm death condition.Touch the mite body with writing brush, motionless person is death with the mite foot.
The contrast lethality is being efficiency test below 10%.
2) book is analyzed according to statistics
Calculate each medicament lethality and corrected mortality according to following formula.
The corrected mortality of tangerine Panonychus citri is converted into probit value (y), and drug concentration (μ g/ml) converts logarithm value (x) to, the virulence regression equation of asking with method of least squares (y=a+bx), and calculate the LC of every kind of medicament thus
50Value and 95% degree of writing.Calculate co-toxicity coefficient (CTC) according to Sun Yun Liubang's formula, co-toxicity coefficient is an antagonism less than 80, and 80～120 is summation action, is synergistic effect more than or equal to 120.Computing formula is (with the AVM is the standard medicament, and its toxicity index is 100) as follows:
The TI*P fenisobromolate of the TI*P AVM+fenisobromolate of theoretical toxicity index (TTI)=AVM of M
Wherein: M is the mixture of AVM and the different proportionings of fenisobromolate
The P AVM is AVM proportion in combination
The P fenisobromolate is fenisobromolate proportion in combination
Test result analysis
AVM is seen table 1 to 24 hours toxicity test result of tangerine Panonychus citri, medicament virulence regression equation formula, LC with fenisobromolate two single agent and the mixing of different proportioning thereof
50Value (μ g/ml) is seen table 2 with 95% confidence limit and AVM with the co-toxicity coefficient of the different proportionings of fenisobromolate.Table 2 AVM is used the virulence to the tangerine Panonychus citri with fenisobromolate two single agent and different proportioning thereof
| Supply the reagent agent | Toxicity regression formula (y=a+bx) | LC 50(μ g/m1) (95% confidence limit) | Single agent independent index (ti) | The actual toxicity index of mixture (ATI) | The theoretical toxicity index (TTI) of mixture | Co-toxicity coefficient (CTC) |
| AVM | y＝2.94398+1.67435x | 16.90(13.04～23.02) | 100.00 | - | - | - |
| Fenisobromolate | y＝4.21735+1.77978x | 2.75(2.22～3.60) | 614.06 | - | - | - |
| AVM: fenisobromolate (20: 1) | y＝3.76695+1.39540x | 7.65(5.20～13.24) | - | 220.95 | 181.17 | 161.96 |
| AVM: fenisobromolate (15: 20) | y＝3.94296+1.37758x | 5.58(3.28～17.74) | - | 288.83 | 202.81 | 242.41 |
| AVM: fenisobromolate (10: 40) | y＝3.84496+1.17199x | 9.67(6.23～18.89) | - | 311.74 | 222.40 | 267.82 |
| AVM: fenisobromolate (5: 60) | y＝3.7504+1.23421?x | 10.39(7.34～16.66) | - | 461.73 | 240.20 | 341.31 |
| AVM: fenisobromolate (0.5: 80) | y＝3.25166+1.72149x | 10.37(6.82～19.18) | - | 553.52 | 256.45 | 320.95 |
Can find out by table 2; AVM and fenisobromolate are respectively 16.90 μ g/ml and 2.75 μ g/ml to tangerine Panonychus citri LC50; The virulence of fenisobromolate is higher than the virulence of AVM; AVM and fenisobromolate are composite, in the scope of 20: 0.5～1: 80 (by quality), the tangerine Panonychus citri are had very high synergistic effect.
Embodiment
Application example one: tangerine Panonychus citri
Press AVM 0.5%, fenisobromolate 70%, calcium dodecyl benzene sulfonate 5 grams, phenethyl phenol polyethenoxy ether 1 gram, surplus xylol add to gross weight 100 grams.With mixing in the method suction mixing kettle of above raw material by routine preparation missible oil, form preparation 70.5% AVM fenisobromolate missible oil.This prescription is by 2000 times of dilution sprayings, behind the medicine 72 hours control efficiency be 95.6%, 0.5% abamectin emulsifiable concentrate and 70% fenisobromolate missible oil according to using with quadrat method, 72 hours preventive effects are respectively 45.3% and 77.0% behind the medicine.
Application example two: tangerine Panonychus citri
Press AVM 1%, tebufenpyrad 50%, calcium dodecyl benzene sulfonate 5 grams, phenethyl phenol polyethenoxy ether 1 gram, surplus xylol add to gross weight 100 grams.With mixing in the method suction mixing kettle of above raw material by routine preparation missible oil, form preparation 51% AVM fenisobromolate missible oil.This prescription is by 2500 times of dilution sprayings, behind the medicine 72 hours control efficiency be 97.6%, 1% abamectin emulsifiable concentrate and 50% fenisobromolate missible oil according to using with quadrat method, 72 hours preventive effects are respectively 56.7% and 68.2% behind the medicine.
Application example three: tangerine Panonychus citri
Press AVM 2%, fenisobromolate 40%, phenethyl phenol polyethenoxy ether phosphate 5 grams, the newborn 33#2 gram of polyoxyethylene polypropylene block compound farming, APES 3 grams, xylol 15 grams add water to gross weight 100 grams.Above raw material is dropped into the mixing kettle high speed by routine preparation aqueous emulsion and method mix, form aqueous emulsion preparation 42% AVM fenisobromolate aqueous emulsion.This prescription is by 3000 times of dilution sprayings, behind the medicine 72 hours control efficiency be 99.4%, 2% abamectin aqueous emulsion and 40% fenisobromolate aqueous emulsion according to using with quadrat method, 72 hours preventive effects are respectively 65.2% and 65.5% behind the medicine.
Application example four: tangerine Panonychus citri
Press AVM 3%, fenisobromolate 40%, calcium dodecyl benzene sulfonate 5 grams, phenethyl phenol polyethenoxy ether phosphide 4 grams, the polyoxyethylene polyoxy third dilution block compound are like farming breast 33
#2 grams, APES 2 grams, cyclohexanone 13 grams add water to gross weight 100.Above raw material is mixed by the method input of routine preparation microemulsion, form microemulsion formulation 43% AVM fenisobromolate microemulsion.This prescription is by 4000 times of dilution sprayings, behind the medicine 72 hours control efficiency be 100%, 3% avermectin micro-emulsion and 40% fenisobromolate microemulsion according to using with quadrat method, 72 hours preventive effects are respectively 70.2% and 60.5% behind the medicine.
Application example five: tangerine Panonychus citri
Press AVM 5%, fenisobromolate 30%, ethylene glycol 14 grams, xanthans 2 grams, stabilizing agent 6 water add ad pond om 100 grams.With mixing in the method input still of above raw material by routine preparation suspending agent, form preparation 35% AVM fenisobromolate suspending agent.This prescription is by 4000 times of dilution sprayings, behind the medicine 72 hours control efficiency be 100%, 5% AVM suspending agent and 30% fenisobromolate suspending agent according to using with quadrat method, 72 hours preventive effects are respectively 80.2% and 60.5% behind the medicine.
Application example six: tangerine Panonychus citri
Press AVM 5%, fenisobromolate 10%, ethylene glycol 14 grams, xanthans 2 grams, stabilizing agent 6 water add ad pond om 100 grams.With mixing in the method input still of above raw material by routine preparation suspending agent, form preparation 15% AVM fenisobromolate suspending agent.This prescription is by 4000 times of dilution sprayings, behind the medicine 72 hours control efficiency be 100%, 5% AVM suspending agent and 10% fenisobromolate suspending agent according to using with quadrat method, 72 hours preventive effects are respectively 80.2% and 50.5% behind the medicine.
Claims (2)
1. purposes that the acaricide composition that contains fenisobromolate and AVM is used to prevent and treat the tangerine Panonychus citri, it is characterized in that: the ratio of weight and number of active ingredient fenisobromolate and AVM is 12: 1～160: 1.
2. the purposes of composition according to claim 1, it is characterized in that: said composition is processed microemulsion, aqueous emulsion, suspension emulsion, water dispersible granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101325804A CN101390519B (en) | 2008-07-17 | 2008-07-17 | Acaricide composition containing bromopropylate and avermectin with synergistic action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101325804A CN101390519B (en) | 2008-07-17 | 2008-07-17 | Acaricide composition containing bromopropylate and avermectin with synergistic action |
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| Publication Number | Publication Date |
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| CN101390519A CN101390519A (en) | 2009-03-25 |
| CN101390519B true CN101390519B (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101325804A Expired - Fee Related CN101390519B (en) | 2008-07-17 | 2008-07-17 | Acaricide composition containing bromopropylate and avermectin with synergistic action |
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| Country | Link |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0815068D0 (en) * | 2008-08-18 | 2008-09-24 | Syngenta Participations Ag | Insectical combinations |
| CN104273144B (en) * | 2014-10-15 | 2016-08-17 | 青岛青知企业管理咨询有限公司 | A kind of macro tetrolide and the water dispersible granules of fenisobromolate and application |
| CN106879611A (en) * | 2017-02-16 | 2017-06-23 | 佛山市瑞生通科技有限公司 | A kind of Pesticidal combination containing AVM and second azoles mite nitrile |
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2008
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| CN101390519A (en) | 2009-03-25 |
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Effective date of registration: 20161222 Address after: 715500 Shaanxi Pucheng County agricultural base industrial park Patentee after: Shaanxi Meibang Pesticides Co., Ltd. Address before: 715500 Pucheng province Shaanxi County Chengguan Town Food City Street No. 23 Patentee before: Zhang Shaowu |
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