CN104285971A - Acaricidal composition containing etoxazole and flutenzine - Google Patents
Acaricidal composition containing etoxazole and flutenzine Download PDFInfo
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- CN104285971A CN104285971A CN201410458427.6A CN201410458427A CN104285971A CN 104285971 A CN104285971 A CN 104285971A CN 201410458427 A CN201410458427 A CN 201410458427A CN 104285971 A CN104285971 A CN 104285971A
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Abstract
The invention discloses an acaricidal composition containing etoxazole and flutenzine. According to the acaricidal composition, etoxazole and flutenzine are used as active ingredients, and mass ratio of etoxazole to flutenzine is 10:1-1:10, preferably 5:1-1:5. The total weight of etoxazole and flutenzine in the acaricidal composition is 1-80 wt%. In practical application, the acaricidal composition is made into an application dosage form such as a suspending agent, an emulsion in water, a microemulsion, a wettable powder, water dispersible granules or missible oil. The acaricidal composition is used for controlling various pest mites (such as Panonychus citri, two-spotted spider mite, Tetranychus cinabarinus Boisdu, rust mite and the like) on crops.
Description
Technical field
The present invention relates to a kind of miticide composition, concrete local saying is a kind of miticide composition containing second mite azoles and fluorine mite piperazine.
Background technology
Second mite azoles is a kind of miticide with special construction completely newly, its mode of action be suppress mite ovum embry ogenesis and from young mite to the molting process becoming mite, if to ovum and mite effective, invalid to one-tenth mite.Therefore, the control time of its best is the evil mite harm initial stage.This medicament rain fastness is strong, and the lasting period reaches 50 days, environmentally safe.To the tetranychid on the crops such as oranges and tangerines, cotton, apple, flowers, vegetables, the beginning tetranychid, Panonychus citri, Tetranychus urticae, Tetranychus cinnabarinus etc. have remarkable preventive effect.As a kind of novel pesticide, second mite azoles in use exists that use cost is high, resistance risk progressively increases, to defects such as one-tenth mite are invalid.
Fluorine mite piperazine is the maximum miticide of current European consumption, all have fine preventive effect to evil mites such as panonychus citri, Xiu Pi lice, yellow tea mite, Tetranychus cinnabarinus and Tetranychus urticaes, the mite evil that can be used for the solanaceous crops such as the fruit tree such as citrus, grape and eggplant, capsicum, tomato is administered.In addition, fluorine mite piperazine has well double effect of controlling to insects such as pear sucker, oystershell scale and leafhopper classes, and ovicidal effect is excellent especially, if also have good action of contace poison to children mite simultaneously.Although fluorine mite piperazine can not kill female one-tenth mite quickly, there is good sterilisation-effect to female one-tenth mite.The ovum produced after female one-tenth mite touches medicine has 96% can not hatch, and dies from late embryogenesis.
Mite class is the common insect of a class, and the crops such as danger to vegetables, fruit tree, cotton, often cause destructive disaster to crop.Evil mite occurs from generation to generation many, and fertility is strong, and under suitable temperature and humidity conditions, evil mite quantity increases rapidly in the short period of time exponentially, thus easily develops immunity to drugs to miticide, causes serious harm to crop simultaneously.Panonychus citri (Panonychus citri McGregor) is the Main Harmful mite that current China oranges and tangerines growing area generally occurs, and the generation cycle is short, and fertility is strong, is easy to develop immunity to drugs to pesticide control.Tetranychus urticae (Tetranychus urticae Koah) is worldwide harmful mite, is commonly called as white spider, be in recent years in orchard large, the pesticide resistance of harm by force, the one evil mite of more difficult control.
It is an important subject that evil mite is administered.The miticide rotation of the different mechanism of action uses or used in combinationly effectively can slow down the drug-fast generation of harmful mite, therefore, development is efficient, low toxicity, low-residual, the different mechanism of action, there is again the complex preparation of obvious synergistic function simultaneously, not only contribute to delaying the drug-fast generation of evil mite, but also the service life of pesticide species can be extended, reduce using dosage, cost-saving, reduce the pollution to environment.
The recipe determination of the present inventor to second mite azoles and fluorine mite piperazine conducts in-depth research, find that second mite azoles and fluorine mite piperazine carry out mixture, within the scope of certain mixed ratio, there is obvious synergistic function, overcome second mite azoles in actual use to the defect becoming mite invalid, second mite azoles and the composite use of fluorine mite piperazine all have outstanding control efficiency the whole vegetative period to evil mite, after further study, the present invention is completed.
Summary of the invention
The object of the invention is to solve in prior art to insect develop immunity to drugs problem and actual control efficiency poor, provide a kind of efficient, low toxicity, quick-acting are good and the lasting period is long, are conducive to the miticide composition doing harm to the mite comprehensive regulation.
Another object of the present invention is the control this miticide composition being applied to various harmful mite on crops.
Technical solution of the present invention: for achieving the above object, the invention provides the miticide composition that a kind of active ingredient is made up of second mite azoles and fluorine mite piperazine, the ratio of quality and the number of copies of second mite azoles and fluorine mite piperazine is 1:10-10:1, preferred mass portion rate is 5:1 ~ 1:5, and second mite azoles and the percentage by weight of fluorine mite piperazine weight summation in miticide composition are 1-80%.Miticide composition provided by the invention makes the application forms comprising suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules and missible oil etc. when practical application.
The pesticidal preparations auxiliary element used also is needed in miticide composition provided by the invention, comprise solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., be all various auxiliary agents conventional in Pesticide formulation, concrete composition and consumption are determined by simple test according to recipe requirements.
The production technology of the various application forms of miticide composition provided by the invention all belongs to existing known technology, does not repeat them here.
Miticide composition provided by the invention, usually adopts the method for spraying to use, also can adopt other operation techniques agriculturally applied as required.
Miticide composition provided by the invention, should note when applying in evil mite egg hatching peak period to the medication of low instar nymphs phase.
The frequency of administration of miticide composition of the present invention and amount of application change with crops, insect, weather condition and have small variations, can by the object using suitable dosage reach effectively control.
Compared with prior art, the invention has the advantages that:
1, composite have obvious synergistic function, is used alone the control efficiency significantly improved evil mite than single dose;
2, double action mechanism, delays the drug-fast generation of evil mite;
3, two kinds of active ingredients are composite, reduce Pesticide use amount, reduce use cost and the pollution to environment.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these embodiments.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Content described in embodiment is all weight percentage.
Example of formulations 1:30% second mite azoles fluorine mite piperazine suspending agent.
Take 10% second mite azoles, 20% fluorine mite piperazine, 5% condensation compound of methyl naphthalene sulfonic acid and formaldehyde, 0.3% xanthans, 1.5% bentonite, 5% agriculture breast 600#, 5% glycerine, deionized water complements to 100%.Above-mentioned raw materials, through mixing, after high speed shear dispersion 30min, obtains 30% second mite azoles fluorine mite piperazine suspending agent with after skin grinder grinding.
Example of formulations 2:25% second mite azoles fluorine mite piperazine microemulsion.
Take 10% second mite azoles, 15% fluorine mite piperazine, 6% ethyl acetate, 4% diethyl phthalate, enter compounding kettle after the abundant mixed dissolution of three, then add 2% alkylphenol polyoxyethylene to compounding kettle, 8% polyol fatty acid ester and ethylene oxide adduct thereof, 4% disecoctylmaleate sodium sulfonate, 1.5% antioxidant 264, after abundant stirring and dissolving, deionized water complements to 100%, continue to be stirred to transparent, obtained 25% second mite azoles fluorine mite piperazine microemulsion.
Example of formulations 3:40% second mite azoles fluorine mite piperazine aqueous emulsion.
Take 15% second mite azoles, 25% fluorine mite piperazine, 2.5% emulsifier T-60,2%Span-60#, 5% agriculture breast 600# phosphate, 1% triphenyl phosphite, 8% propane diols, 8% cyclohexanone, 10% dimethylbenzene, 0.3% xanthans, 0.5% formaldehyde, deionized water adds to 100% weight portion; Above-mentioned raw materials is through mixing, and high speed shear emulsification obtains 40% second mite azoles fluorine mite piperazine aqueous emulsion.
Example of formulations 4:55% second mite azoles fluorine mite piperazine wetting powder.
Take 35% second mite azoles, 20% fluorine mite piperazine, 8% calcium lignosulfonate, 6% Nekal BX, 3%K-12,5% white carbon, kaolin adds to 100% weight portion; Above-mentioned raw materials, through mixing, obtains 55% second mite azoles fluorine mite piperazine wetting powder after air-flow crushing.
Example of formulations 5:50% second mite azoles fluorine mite piperazine water dispersible granules.
Take 25% second mite azoles, 25% fluorine mite piperazine, 8% mineral oil, 6% polyoxyethylene nonylphenol ether, the fast T of 4% bleeding agent, 2% lauryl sodium sulfate, 10% sodium lignin sulfonate, 5% naphthalene sulfonate, bentonite adds to 100% weight portion; Above-mentioned raw materials is through mixing, ultra micro air-flow crushing, mixing, the obtained 50% second mite azoles fluorine mite piperazine water dispersible granules of granulation.
Example of formulations 6:20% second mite azoles fluorine mite piperazine missible oil.
Take 4% second mite azoles, 16% fluorine mite piperazine, 5% agriculture breast 500#, 4% agriculture breast 400#, 2.5% Nongru-700 #, 5% sulfurous acid triphenylmethyl methacrylate, solvent naphtha S-150 adds to 100% weight portion; Above-mentioned raw materials is through mixing, and stirring and dissolving is obtained 20% second mite azoles fluorine mite piperazine missible oil completely afterwards.
Assays Example 1: second mite azoles and fluorine mite piperazine are to the indoor joint toxicity measuring test of panonychus citri.
Test medicine adopts the 95% former medicine of second mite azoles and the former medicine of 99% fluorine mite piperazine; Examination worm is the panonychus citri gathered from field.
Test method employing leaf butterfly spray-on process (with reference to " NY/T 1154.13-2008 farm-chemical indoor determination test rule insecticide. the 13rd part: leaf butterfly spray-on process ").Concrete operation method is as follows:
Each single dose and Mixed Pharmacy are arranged 5 different concentration gradients (on the basis of preliminary experiment result, if panonychus citri mite lethality in the scope of 5%-90% by geometric progression setting).
Choose the Citrus leaf of healthy growth, make leaf butterfly with card punch, in culture dish, place a wet sponge block, it puts filter paper, foliation butterfly on filter paper, every ware puts 2 pieces of leaf butterflies, if selecting healthy, that the length of time is consistent panonychus citri mite is inoculated on leaf butterfly, every leaf butterfly inoculates 20.
Under the culture dish being connected to leaf butterfly is placed in potter spray tower, spray under 50PSI pressure, spray amount is 1ml, take out culture dish after sedimentation 1min, then the culture dish processed is put into 25 DEG C, cultivate in 12H/12H illumination box, 48h checks dead borer population, calculates lethality.Often 4 repetitions are established in process, and establish the process of clear water blank.
Carry out statistical analysis with DPS statistical analysis software, calculate the LC of each medicament
50, and the co-toxicity coefficient (CTC value) of mixture is calculated 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 insecticide combination effect 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, second mite azoles and fluorine mite piperazine composite in the scope of 10:1 ~ 1:10 (by weight) time, co-toxicity coefficient (CTC) is all greater than 120, synergistic function is shown to panonychus citri, especially composite in the scope of 5:1 ~ 1:5 (by weight), synergistic function is the most obvious, co-toxicity coefficient (CTC) all more than 180, visible second mite azoles and fluorine mite piperazine is composite has reasonability and feasibility.
Table 1, second mite azoles and fluorine mite piperazine are to the indoor joint toxicity measuring result of panonychus citri.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Second mite azoles | 2.52 | 100.00 | - | - |
| Fluorine mite piperazine | 5.75 | 55.21 | - | - |
| Second mite azoles: fluorine mite piperazine (10:1) | 2.64 | 122.51 | 88.39 | 129.37 |
| Second mite azoles: fluorine mite piperazine (5:1) | 2.11 | 168.69 | 80.32 | 182.35 |
| Second mite azoles: fluorine mite piperazine (3:1) | 1.86 | 173.15 | 77.91 | 213.58 |
| Second mite azoles: fluorine mite piperazine (1:1) | 2.42 | 157.53 | 71.66 | 203.67 |
| Second mite azoles: fluorine mite piperazine (1:3) | 2.13 | 138.36 | 65.65 | 200.52 |
| Second mite azoles: fluorine mite piperazine (1:5) | 3.77 | 96.16 | 58.25 | 183.08 |
| Second mite azoles: fluorine mite piperazine (1:10) | 4.73 | 73.12 | 45.86 | 120.61 |
Assays Example 2: second mite azoles and fluorine mite piperazine are to the indoor joint toxicity measuring test of cotton Tetranychus cinnabarinus.
Test medicine adopts the 95% former medicine of second mite azoles and the former medicine of 99% fluorine mite piperazine; Examination worm is the cotton Tetranychus cinnabarinus gathered from field.
Test method employing leaf butterfly spray-on process (with reference to " NY/T 1154.13-2008 farm-chemical indoor determination test rule insecticide. the 13rd part: leaf butterfly spray-on process ").Concrete operation method is as follows:
Each single dose and Mixed Pharmacy are arranged 5 different concentration gradients (on the basis of preliminary experiment result, if cotton Tetranychus cinnabarinus mite lethality in the scope of 5%-90% by geometric progression setting).
Choose the cotton leaf of healthy growth, make leaf butterfly with card punch, in culture dish, place a wet sponge block, it puts filter paper, foliation butterfly on filter paper, every ware puts 2 pieces of leaf butterflies, if selecting healthy, that the length of time is consistent cotton Tetranychus cinnabarinus mite is inoculated on leaf butterfly, every leaf butterfly inoculates 20.
Under the culture dish being connected to leaf butterfly is placed in potter spray tower, spray under 50PSI pressure, spray amount is 1ml, take out culture dish after sedimentation 1min, then the culture dish processed is put into 25 DEG C, cultivate in 12H/12H illumination box, 48h checks dead borer population, calculates lethality.Often 4 repetitions are established in process, and establish the process of clear water blank.
Carry out statistical analysis with DPS statistical analysis software, calculate the LC of each medicament
50, and the co-toxicity coefficient (CTC value) of mixture is calculated 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 insecticide combination effect 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 2, second mite azoles and fluorine mite piperazine composite in the scope of 10:1 ~ 1:10 (by weight) time, co-toxicity coefficient (CTC) is all greater than 120, synergistic function is shown to cotton Tetranychus cinnabarinus, especially composite in the scope of 5:1 ~ 1:5 (by weight), synergistic function is comparatively obvious, co-toxicity coefficient (CTC) all more than 150, visible second mite azoles and fluorine mite piperazine is composite has reasonability and feasibility.
Table 2, second mite azoles and fluorine mite piperazine are to the indoor joint toxicity measuring result of cotton Tetranychus cinnabarinus.
| Medicament title and proportioning (weight ratio) | LC50(mg/L) | ATI | TTI | CTC |
| Second mite azoles | 3.89 | 100.00 | - | - |
| Fluorine mite piperazine | 5.23 | 53.78 | - | - |
| Second mite azoles: fluorine mite piperazine (10:1) | 3.58 | 131.40 | 97.16 | 124.62 |
| Second mite azoles: fluorine mite piperazine (5:1) | 2.68 | 159.15 | 95.15 | 157.26 |
| Second mite azoles: fluorine mite piperazine (3:1) | 1.99 | 171.21 | 91.11 | 177.21 |
| Second mite azoles: fluorine mite piperazine (1:1) | 2.58 | 123.72 | 73.35 | 160.28 |
| Second mite azoles: fluorine mite piperazine (1:3) | 3.26 | 85.61 | 51.54 | 168.72 |
| Second mite azoles: fluorine mite piperazine (1:5) | 3.79 | 85.61 | 51.54 | 163.81 |
| Second mite azoles: fluorine mite piperazine (1:10) | 5.38 | 63.01 | 49.23 | 126.57 |
Assays Example 3: second mite azoles and the composite field control effectiveness test to citrus red mite of fluorine mite piperazine.
Adopt example of formulations 2 (25% second mite azoles fluorine mite piperazine suspending agent) for preventing and treating citrus red mite, test site is positioned at Mei County, Growth in Meizhou City, Guangdong one citrus orchard and carries out, investigation insect population radix before dispenser, after medicine, 7d, 14d, 30d investigate residual mite number of living respectively, 2 strains are looked in investigation Shi Mei community, and every strain looks into 5 blades respectively by orientation, 4, the four corners of the world, and every community looks into 40 blades altogether, record mite number of living, calculate control efficiency.Control efficiency computational methods are as follows:
Control efficiency (%)=(1-CK
1× Pt
1/ CK
2× Pt
2) × 100.
Wherein: CK
1represent insect population number before the medicine of check plot; Pt
1represent insect population number after treatment region medicine;
CK
2represent insect population number after the medicine of check plot; Pt
2represent insect population number before treatment region medicine;
The result of the test of table 3,25% second mite azoles fluorine mite piperazine microemulsion control citrus red mite.
As can be seen from Table 3,25% second mite azoles fluorine mite piperazine microemulsion uses after 2000-4000 times of 7d, 14d, 30d and all 3000 times and 20% fluorine mite piperazine suspending agent single dose will be used to use 1500 times apparently higher than the second mite azole suspending agent single dose same period 10% to the preventive effect of citrus red mite, can improve citrus red mite preventive effect compared with illustrating that second mite azoles and fluorine mite piperazine are composite and being used alone with two kinds of single doses, there is good lasting effect simultaneously.
Assays Example 4: second mite azoles and the composite field control effectiveness test to cotton red spider of fluorine mite piperazine.
Adopt example of formulations 1 (30% second mite azoles fluorine mite piperazine suspending agent) for preventing and treating cotton red spider, test site is positioned at cotton planting base, Zhenping County, Nanyang City, Henan Province one and carries out, investigation insect population radix before dispenser, after medicine, 7d, 14d, 30d investigate residual mite number of living respectively, 2 strains are looked in investigation Shi Mei community, and every strain looks into 5 blades respectively by orientation, 4, the four corners of the world, and each community looks into 40 blades altogether, record mite number of living, calculate control efficiency.Control efficiency computational methods are as follows:
Control efficiency (%)=(1-CK
1× Pt
1/ CK
2× Pt
2) × 100.
Wherein: CK
1represent insect population number before the medicine of check plot; Pt
1represent insect population number after treatment region medicine;
CK
2represent insect population number after the medicine of check plot; Pt
2represent insect population number before treatment region medicine;
Table 4,30% second mite azoles fluorine mite piperazine suspending agent control cotton red spider result of the test.
30% second mite azoles fluorine mite piperazine suspending agent uses after 2000-4000 times of 7d, 14d, 30d and all 3000 times and 20% fluorine mite piperazine suspending agent single dose will be used to use 1500 times apparently higher than the second mite azole suspending agent single dose same period 10% to the preventive effect of cotton red spider as can be seen from Table 4, can improve cotton red spider preventive effect compared with illustrating that second mite azoles and fluorine mite piperazine are composite and being used alone with two kinds of single doses, there is good lasting effect simultaneously.
In sum, the present invention adopts two kinds of active components to be the complex composition of second mite azoles and fluorine mite piperazine, compared with existing unitary agent, miticidal effect significantly improves, overcome second mite azoles to the defect becoming mite invalid, the lasting period is long, can slow down the drug-fast generation of harmful mite simultaneously, to Crop securify, be worth applying in agricultural production.
Claims (4)
1. one kind contains the miticide composition of second mite azoles and fluorine mite piperazine, it is characterized in that: active ingredient is made up of second mite azoles and fluorine mite piperazine, the ratio of quality and the number of copies of second mite azoles and fluorine mite piperazine is 10:1 ~ 1:10, and second mite azoles and the percentage by weight of fluorine mite piperazine weight summation in miticide composition are 1-80%.
2. a kind of miticide composition containing second mite azoles and fluorine mite piperazine according to claim 1, is characterized in that: the ratio of quality and the number of copies of second mite azoles and fluorine mite piperazine is 5:1 ~ 1:5.
3. a kind of miticide composition containing second mite azoles and fluorine mite piperazine according to claim 1, is characterized in that: the application forms making suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules or missible oil when practical application.
4. a kind of miticide composition containing second mite azoles and fluorine mite piperazine according to claim 1 is preventing and treating the application in the various harmful mite on crop.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004293A2 (en) * | 2010-07-08 | 2012-01-12 | Bayer Cropscience Ag | Insecticide and fungicide active ingredient combinations |
| CN102630691A (en) * | 2012-03-31 | 2012-08-15 | 陕西韦尔奇作物保护有限公司 | Pesticide composition containing cyflumetofen |
| CN103300020A (en) * | 2012-03-12 | 2013-09-18 | 陕西韦尔奇作物保护有限公司 | Pesticidal composition |
-
2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004293A2 (en) * | 2010-07-08 | 2012-01-12 | Bayer Cropscience Ag | Insecticide and fungicide active ingredient combinations |
| CN103300020A (en) * | 2012-03-12 | 2013-09-18 | 陕西韦尔奇作物保护有限公司 | Pesticidal composition |
| CN102630691A (en) * | 2012-03-31 | 2012-08-15 | 陕西韦尔奇作物保护有限公司 | Pesticide composition containing cyflumetofen |
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