CN101849550B - Mite-killing composition - Google Patents
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- CN101849550B CN101849550B CN 201010207860 CN201010207860A CN101849550B CN 101849550 B CN101849550 B CN 101849550B CN 201010207860 CN201010207860 CN 201010207860 CN 201010207860 A CN201010207860 A CN 201010207860A CN 101849550 B CN101849550 B CN 101849550B
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- bifenazate
- amitraz
- mite
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- miticide
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- 239000000203 mixture Substances 0.000 title claims abstract description 42
- 239000005653 Bifenazate Substances 0.000 claims abstract description 85
- VHLKTXFWDRXILV-UHFFFAOYSA-N bifenazate Chemical compound C1=C(NNC(=O)OC(C)C)C(OC)=CC=C1C1=CC=CC=C1 VHLKTXFWDRXILV-UHFFFAOYSA-N 0.000 claims abstract description 85
- QXAITBQSYVNQDR-ZIOPAAQOSA-N amitraz Chemical compound C=1C=C(C)C=C(C)C=1/N=C/N(C)\C=N\C1=CC=C(C)C=C1C QXAITBQSYVNQDR-ZIOPAAQOSA-N 0.000 claims abstract description 84
- 229960002587 amitraz Drugs 0.000 claims abstract description 84
- 241001454293 Tetranychus urticae Species 0.000 claims abstract description 14
- 239000004562 water dispersible granule Substances 0.000 claims abstract description 7
- 241000952063 Polyphagotarsonemus latus Species 0.000 claims abstract description 3
- 241000344246 Tetranychus cinnabarinus Species 0.000 claims abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000642 acaricide Substances 0.000 claims description 18
- 241000488581 Panonychus citri Species 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- 238000009736 wetting Methods 0.000 claims description 8
- 239000004615 ingredient Substances 0.000 claims description 4
- 239000003814 drug Substances 0.000 abstract description 35
- 230000002195 synergetic effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000575 pesticide Substances 0.000 abstract description 8
- 239000004480 active ingredient Substances 0.000 abstract description 3
- 239000004563 wettable powder Substances 0.000 abstract description 3
- 241000238876 Acari Species 0.000 abstract 1
- 241000488583 Panonychus ulmi Species 0.000 abstract 1
- 241000344254 Tetranychus truncatus Species 0.000 abstract 1
- 239000006071 cream Substances 0.000 abstract 1
- 238000010790 dilution Methods 0.000 description 26
- 239000012895 dilution Substances 0.000 description 26
- 238000012360 testing method Methods 0.000 description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 10
- 231100000419 toxicity Toxicity 0.000 description 8
- 230000001988 toxicity Effects 0.000 description 8
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229940079593 drug Drugs 0.000 description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000008267 milk Substances 0.000 description 5
- 210000004080 milk Anatomy 0.000 description 5
- 235000013336 milk Nutrition 0.000 description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 description 5
- 240000008067 Cucumis sativus Species 0.000 description 4
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 4
- 229920001732 Lignosulfonate Polymers 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000009313 farming Methods 0.000 description 4
- 230000036039 immunity Effects 0.000 description 4
- 230000003449 preventive effect Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 244000269722 Thea sinensis Species 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 3
- 239000002917 insecticide Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 235000013616 tea Nutrition 0.000 description 3
- 241001672694 Citrus reticulata Species 0.000 description 2
- -1 Sodium alkyl benzene Chemical class 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 229940077388 benzenesulfonate Drugs 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 229960003692 gamma aminobutyric acid Drugs 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000010534 mechanism of action Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 231100000820 toxicity test Toxicity 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OGNSCSPNOLGXSM-UHFFFAOYSA-N (+/-)-DABA Natural products NCCC(N)C(O)=O OGNSCSPNOLGXSM-UHFFFAOYSA-N 0.000 description 1
- ADYKPXIKPPZOQF-UHFFFAOYSA-N 1,1'-biphenyl;hydrazine Chemical class NN.C1=CC=CC=C1C1=CC=CC=C1 ADYKPXIKPPZOQF-UHFFFAOYSA-N 0.000 description 1
- 241000239290 Araneae Species 0.000 description 1
- 241000207199 Citrus Species 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000010071 Cucumis prophetarum Nutrition 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 102000010909 Monoamine Oxidase Human genes 0.000 description 1
- 108010062431 Monoamine oxidase Proteins 0.000 description 1
- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 230000000895 acaricidal effect Effects 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 239000005557 antagonist Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000020971 citrus fruits Nutrition 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 231100001225 mammalian toxicity Toxicity 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a mite-killing composition. The active ingredients of the mite-killing composition are bifenazate and amitraz in a mass part ratio of 100:1-1:100; and the mite-killing composition can be prepared into wettable powder, water dispersible granules and cream. The mite-killing composition has good synergistic effect, can delay the medicament resistance of harmful organisms and prolong the service life of pesticide varieties; and when applied to preventing and controlling various harmful mites on crops, the composition is particularly suitable for preventing and controlling panonychus ulmi koch, tetranychus urticae, tetranychus cinnabarinus, tetranychus truncatus, polyphagotarsonemus latus and rust mite, and the effect of the composition is obvious superior to that of the bifenazate or amitraz which is separately used.
Description
Technical field
The present invention relates to a kind of miticide composition, be specifically related to miticide composition and the application on the crop control of pest mite thereof that a kind of active component contains Bifenazate and Amitraz.
Background technology
The evil mite occurs from generation to generation many, and fertility is strong, and under suitable temperature and humidity conditions, evil mite quantity can increase rapidly within a short period of time exponentially, thereby easily miticide is developed immunity to drugs, and gives simultaneously the crop harm.For example, citrus red mite (crm) (Panonychus citri McGregor) is the Main Harmful mite that present China mandarin orange planting district generally occurs, and the generation cycle is short, and fertility is strong, is easy to the control medicament is developed immunity to drugs; And for example, Tetranychus urticae (Tetranychus urticae Koah) is worldwide harmful mite, is commonly called as white spider, be in recent years in the orchard large, the pesticide resistance of harm by force, the harmful mite of difficult control.
Be the various harmful mite that control is day by day serious, countries in the world are all at the continuous miticide of development of new.In miticide development and application process, delaying evil mite pesticide resistance or cross resistance is to prolong the product key factor in service life, rationally use miticide, control access times and dosage, the miticide of different mechanism of action is used alternatingly or uses with and just seems particularly important.
Bifenazate (Bifenazate) is biphenyl hydrazine class miticide, is a kind of γ-aminobutyric acid (GABA) antagonist, but further result of study has not yet to see report.It is a specialized acaricide, mainly prevents and treats tetranychid.Experimental study shows, Bifenazate does not have negative effect to predatism benefit mite, and is low to mammalian toxicity.
Amitraz (Amitraz) is a kind of broad spectrum activity miticide, mainly is the activity that suppresses monoamine oxidase, have tag, food refusal, repellent action, certain interior suction, fumigation action are also arranged.Amitraz is used for multiple harmful mite on the crops such as control fruit tree, vegetables, also can be used for preventing and treating the external acarians of herding such as ox, sheep.
It is an important subject that the evil mite is administered.The miticide of the different mechanisms of action uses by turns or mixes to use and can effectively slow down harmful mite pesticide resistance, therefore, development is efficient, low toxicity, low-residual, the different mechanism of action, the complex preparation that the notable synergistic effect is arranged again simultaneously, helping to delay the evil mite develops immunity to drugs, thereby prolong the service life of pesticide species, reduce using dosage, environmental contamination reduction.
Summary of the invention
The object of the present invention is to provide a kind of Synergistic mite killing composition.
Technical scheme of the present invention is the biological activity determination that the miticide of the different mechanisms of action of employing carries out different proportionings, determines the synergy proportioning.Take the synergy proportioning preparation suitable as effective ingredient is mixed with, be used for the harmful mite on the control crops, can effectively reduce the usage amount of medicament, reduce drug cost, the generation of delaying drug resistance, thus minimizing is to the pollution of environment.
The present invention is that main active is carried out biological activity determination by Bifenazate and Amitraz, it is characterized in that effective ingredient is comprised of Bifenazate and Amitraz, and its ratio of quality and the number of copies is 100: 1～1: 100, is preferably 47: 1～1: 47.Described active ingredient is present in the composition with the synergy effective dose, and the better mass fraction of effective ingredient Bifenazate is 1%～47%, the better mass fraction of Amitraz is 1%～47%, and all the other are insecticides adjuvant and excipient (or filler).
The present invention kills the mite synergistic composition take Bifenazate and Amitraz as main active, can prevent and treat the various harmful mite on the crop.Described harmful mite comprises Panonychus citri, Tetranychus urticae, Tetranychus cinnabarinus, Mite, yellow tea mite, rust mite etc.
The present invention is take active ingredient Bifenazate and Amitraz as main, adds insecticides adjuvant, excipient (or filler) is mixed with wetting powder, water dispersible granules or missible oil.Described auxiliary agent is determined through simple experiment according to formulation.
The present invention compared with prior art can produce following beneficial effect: after Bifenazate and Amitraz are mixed, improved control efficiency, and had the good lasting period; Mixed Pharmacy can prevent and overcome the pest mite class and develop immunity to drugs, and prolongs the service life of pesticide species.
Embodiment
In order better to understand essence of an invention, below in conjunction with example technology contents of the present invention is described in detail, but content of the present invention do not limit to so, can not therefore be interpreted as the restriction to claim of the present invention.In the embodiment of the invention in the used former medicine of Bifenazate Bifenazate content be 97%, Amitraz content is 95% in the former medicine of used Amitraz.
Example of formulations such as embodiment 1-8
Embodiment 1:
Preparation 100g 48% Bifenazate Amitraz (Bifenazate: Amitraz is 47: 1) wetting powder, the mass ratio of each component is respectively:
Bifenazate 48.45g Amitraz 1.05g
The withered powder 10g of tea polyethylene glycol 8g
Surplus diatomite
Above raw material is prepared the wettable powder agent method routinely drop into to mix, in mixture input air flow cracker, be crushed to and meet fineness requirement, make the 100g 48% Bifenazate Amitraz wetting powder that meets national standard.
Embodiment 2:
Preparation 100g 24% Bifenazate Amitraz (Bifenazate: Amitraz is 1: 47) wetting powder, the mass ratio of each component is respectively:
Bifenazate 0.52g Amitraz 24.74g
Spaonin powder 10g polyvinyl alcohol 8g
Surplus diatomite
Above raw material is prepared the wettable powder agent method routinely drop into to mix, in mixture input air flow cracker, be crushed to and meet fineness requirement, make the 100g 24% Bifenazate Amitraz wetting powder that meets national standard.
Embodiment 3:
Preparation 100g 51% Bifenazate Amitraz (Bifenazate: Amitraz is 100: 1) water dispersible granules, the mass ratio of each component is respectively:
Bifenazate 51.55g Amitraz 0.53g
Sodium alkyl benzene sulfonate 10g lignosulfonates 8g
Polyvinyl alcohol 8g sodium chloride 10g
Surplus diatomite
Former medicine ground in water with sodium alkyl benzene sulfonate, lignosulfonates, sodium chloride, diatomite etc. obtain the particle diameter that needs, add again polyvinyl alcohol, adjust its concentration and viscosity, the slurry of the usefulness that obtains spraying.Slurry quantitatively sent to carry out atomized drying in the drying tower, make 100g51% Bifenazate Amitraz water dispersible granules.
Embodiment 4:
Preparation 100g 51% Bifenazate Amitraz (Bifenazate: Amitraz is 1: 100) water dispersible granules, the mass ratio of each component is respectively:
Bifenazate 0.52g Amitraz 52.63g
The withered powder 10g of tea lignosulfonates 8g
Polyvinyl alcohol 8g bentonite 10g
Surplus diatomite
Former medicine ground in water with the withered powder of tea, lignosulfonates, bentonite, diatomite etc. obtain the particle diameter that needs, add again polyvinyl alcohol, adjust its concentration and viscosity, the slurry of the usefulness that obtains spraying.Slurry quantitatively sent to carry out atomized drying in the drying tower, make 100g 51% Bifenazate Amitraz water dispersible granules.
Embodiment 5:
Preparation 100g 12% Bifenazate Amitraz (Bifenazate: Amitraz is 11: 1) missible oil, the mass ratio of each component is respectively:
Bifenazate 11.34g Amitraz 1.05g
The newborn 2201#10g acetone 2g of farming
Epoxychloropropane 5g surplus dimethylbenzene
Former medicine is configured the missible oil method routinely with agricultural newborn 2201#, acetone, epoxychloropropane, dimethylbenzene mix, make the 100g 12% Bifenazate amitraz milk oil that meets national standard.
Embodiment 6:
Preparation 100g24% Bifenazate Amitraz (Bifenazate: Amitraz is 7: 5) missible oil, the mass ratio of each component is respectively:
Bifenazate 14.43g Amitraz 10.53g
The newborn 2201#10g acetone 2g of farming
Epoxychloropropane 5g surplus dimethylbenzene
Former medicine is configured the missible oil method routinely with agricultural newborn 2201#, acetone, epoxychloropropane, dimethylbenzene mix, make the 100g 12% Bifenazate amitraz milk oil that meets national standard.
Embodiment 7:
Preparation 100g 24% Bifenazate Amitraz (Bifenazate: Amitraz is 23: 1) missible oil, the mass ratio of each component is respectively:
Bifenazate 23.71g Amitraz 1.05g
The newborn 2201#10g acetone 5g of farming
Epoxychloropropane 5g surplus dimethylbenzene
Above raw material is prepared the missible oil method routinely mix, make the 100g 24% Bifenazate amitraz milk oil that meets national standard.
Embodiment 8:
Preparation 100g 24% Bifenazate Amitraz (Bifenazate: Amitraz is 1: 23) missible oil, the mass ratio of each component is respectively:
Bifenazate 1.03g Amitraz 24.21g
The newborn 2201#10g acetone 4g of farming
Epoxychloropropane 5g surplus dimethylbenzene
Above raw material is prepared the missible oil method routinely mix, make the 100g 24% Bifenazate amitraz milk oil that meets national standard.
Determination of activity embodiment such as 9-12
Embodiment 9:
Subjects is the female one-tenth mite of citrus red mite (crm) (Panonychus citri McGregor), and test medicine is Bifenazate and Amitraz.
Test method is with reference to People's Republic of China's agricultural industry criteria " farm-chemical indoor determination test rule " insecticidal n Y/T 1154.7-2006, and the slide infusion process is adopted in test.
Carry out statistical analysis with the DPS data processing software, calculate the LC of each medicament
50, estimate the activity of reagent agent with this.
The co-toxicity coefficient of mixture (CTC value) calculates by following formula:
In the formula:
ATI---mixture actual measurement toxicity index;
The LC of S---standard insecticide
50, unit is every liter (mg/L) of milligram;
The LC of M---mixture
50, unit is every liter (mg/L) of milligram.
TTI＝TIA×PA+TIB×PB
In the formula:
The theoretical toxicity index of TTI---mixture;
TIA----A medicament toxicity index;
The percentage composition of PA-----A medicament in mixture, unit are percentage;
TIB----B medicament toxicity index;
The percentage composition of PB-----B medicament in mixture, unit are percentage.
In the formula:
The CTC----co-toxicity coefficient; ATI---mixture actual measurement toxicity index; The theoretical toxicity index of TTI---mixture.
The co-toxicity coefficient of built agent (CTC):
CTC 〉=120 show as synergistic effect;
CTC≤80 show as antagonism;
80＜CTC＜120 show as summation action.
Each single dose of table 1 and mixture thereof are to the toxicity test result of the female one-tenth mite of citrus red mite (crm) 24h
Toxicity Determination result shows (seeing Table 1), and Bifenazate, Amitraz are to 24 hours LC of the female one-tenth mite of citrus red mite (crm)
50Be respectively: 12.23,8.67mg/L.Bifenazate: Amitraz is 100: 1 to 1: 100 o'clock, and co-toxicity coefficient (CTC) shows to have synergistic effect, wherein Bifenazate all greater than 120: Amitraz is 7: 5 o'clock, and co-toxicity coefficient (CTC) is greater than 220, and synergistic effect is remarkable.
Embodiment 10:
Subjects is the female one-tenth mite of Tetranychus urticae (Tetranychus urticae Koah), and test medicine is Bifenazate and Amitraz, and test method is with embodiment 9.
Each single dose of table 2 and mixture thereof are to the toxicity test result of the female one-tenth mite of Tetranychus urticae 24h
Toxicity Determination result shows (seeing Table 2), if Bifenazate, Amitraz are to 24 hours LC of Tetranychus urticae mite
50Be respectively: 10.75,9.22mg/L.Bifenazate: Amitraz is 100: 1 to 1: 100 o'clock, co-toxicity coefficient (CTC) is all greater than 120, and illustrate that each proportioning all has synergistic effect, especially Bifenazate: Amitraz is 7: 5 o'clock, co-toxicity coefficient (CTC) shows that greater than 200 synergistic effect is obvious.
Embodiment 11:
Utilize institute's preparaton among the embodiment 1 (48% Bifenazate Amitraz WP) to do following field control effectiveness test:
1, dispenser object
Tetranychus urticae (Tetranychus urticae Koah) on the vegetables cucumber (Cucumis satiuus L.).
2, concentration design
2000,4000,6000 times of 48% Bifenazate Amitraz WP dilutions;
2000 times of contrast medicament 24% Bifenazate SC dilutions, 2000 times of 20% Amitraz EC dilutions.
3, test method
With reference to People's Republic of China's agricultural industry criteria " pesticide field efficacy medicine test criterion () " GB/T17980.17-2000.
4, results and analysis
Table 348% Bifenazate Amitraz WP (embodiment 1) control cucumber Tetranychus urticae field control effectiveness test
Annotate: data are the mean value of 4 repetitions in the table; Preventive effect is the average correction preventive effect of each residential quarter in the table; The Duncan method is adopted in significance test, and different English alphabets is illustrated on 5% level and reaches significant difference in the same column.
48% Bifenazate Amitraz wetting powder the results are shown in Table 3 to the field control effectiveness test of cucumber Tetranychus urticae.After the dispenser 3 days, the control efficiency that 48% Bifenazate Amitraz WP dilution is 4000 times was significantly higher than the control efficiency of 2000 times of contrast medicament 24% Bifenazate SC dilutions, 2000 times of 20% Amitraz EC dilutions; After the dispenser 7 days, the control efficiency that 48% Bifenazate Amitraz WP dilution is 4000 times is not obvious with the control efficiency difference of 2000 times of contrast medicament 24% Bifenazate SC dilutions, is in same level with the control efficiency that contrasts 2000 times of medicament 20% Amitraz EC dilutions; After the dispenser 14,21 days, the control efficiency that 48% Bifenazate Amitraz WP dilution is 4000 times was significantly higher than the control efficiency same period of 2000 times of contrast medicament 24% Bifenazate SC dilutions, 2000 times of 20% Amitraz EC dilutions.
Field test results shows, the effect of 48% Bifenazate Amitraz WP control cucumber Tetranychus urticae is better than the independent use of 24% Bifenazate SC and 20% Amitraz EC.Institute's preparaton is wetting powder, thus environmental contamination reduction.
Embodiment 12:
Utilize institute's preparaton among the embodiment 6 (24% Bifenazate Amitraz EC) to do following field control effectiveness test:
1, dispenser object
Citrus red mite (crm) (Panonychus citri McGregor) on citrus (the Citrus reticulata Banco) tree.
2, concentration design
1000,2000,3000 times of 24% Bifenazate Amitraz EC dilutions; 2000 times of contrast medicament 24% Bifenazate SC dilutions, 2000 times of 20% Amitraz EC dilutions.
3, test method
With reference to People's Republic of China's agricultural industry criteria " pesticide field efficacy medicine test criterion () " GB/T17980.7-2000.
4, results and analysis
Table 424% Bifenazate Amitraz EC (embodiment 6) control citrus red mite (crm) field control effectiveness test
Annotate: data are the mean value of 4 repetitions in the table; Preventive effect is the average correction preventive effect of each residential quarter in the table; The Duncan method is adopted in significance test, and different English alphabets is illustrated on 5% level and reaches significant difference in the same column.
24% Bifenazate amitraz milk oil the results are shown in Table 4 to the field control effectiveness test of citrus red mite (crm).After the dispenser 3,7 days, the control efficiency that 24% Bifenazate Amitraz EC dilution is 2000 times is significantly higher than the control efficiency same period of 2000 times of contrast medicament 24% Bifenazate SC dilutions, and the control efficiency same period of diluting 2000 times with contrast medicament 20% Amitraz EC is in same level; After the dispenser 14 days, the control efficiency that 24% Bifenazate Amitraz EC dilution is 2000 times was significantly higher than the control efficiency of 2000 times of contrast medicament 20% Amitraz EC dilutions, was in same level with the control efficiency of 2000 times of contrast medicament 24% Bifenazate SC dilutions; After the dispenser 21 days, the control efficiency that 24% Bifenazate Amitraz EC dilution is 2000 times was significantly higher than the control efficiency of 2000 times of contrast medicament 24% Bifenazate SC dilutions, 2000 times of 20% Amitraz EC dilutions.
Field test results shows, the effect of 2000 times of controls of 24% Bifenazate Amitraz EC dilution citrus red mite (crm)s is better than the control efficiency of 2000 times of 24% Bifenazate SC dilutions, 2000 times of 20% Amitraz EC dilutions; The lasting effect of 24% Bifenazate Amitraz EC is better than Bifenazate.Show that built agent can reduce the medication number of times, thus environmental contamination reduction.
Claims (5)
1. miticide composition, it is characterized in that: its effective ingredient is Bifenazate and Amitraz, wherein the ratio of quality and the number of copies of Bifenazate and Amitraz is 100: 1～1: 100.
2. miticide composition according to claim 1, it is characterized in that: the ratio of quality and the number of copies of Bifenazate and Amitraz is 47: 1～1: 47 in the composition.
3. miticide composition according to claim 1 and 2, it is characterized in that: composition is mixed with wetting powder, water dispersible granules or missible oil.
4. the application of claim 1 or 2 described miticide compositions is characterized in that: said composition is used for the various harmful mite on the control crop.
5. the application of miticide composition according to claim 4 is characterized in that: said composition is used for control Panonychus citri, Tetranychus urticae, Tetranychus cinnabarinus, Mite, yellow tea mite, rust mite.
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| CN101849550B true CN101849550B (en) | 2013-01-02 |
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| WO2006042099A1 (en) * | 2004-10-08 | 2006-04-20 | Wyeth | Amitraz compositions |
| CN101647458A (en) * | 2009-07-06 | 2010-02-17 | 东莞市瑞德丰生物科技有限公司 | Acaricidal composition containing spirodiclofen |
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| WO2006042099A1 (en) * | 2004-10-08 | 2006-04-20 | Wyeth | Amitraz compositions |
| CN101647458A (en) * | 2009-07-06 | 2010-02-17 | 东莞市瑞德丰生物科技有限公司 | Acaricidal composition containing spirodiclofen |
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