CN102696631B - Synergistic acaricidal composition containing etoxazole and chlorfenapyr - Google Patents
Synergistic acaricidal composition containing etoxazole and chlorfenapyr Download PDFInfo
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- CN102696631B CN102696631B CN201210141549.3A CN201210141549A CN102696631B CN 102696631 B CN102696631 B CN 102696631B CN 201210141549 A CN201210141549 A CN 201210141549A CN 102696631 B CN102696631 B CN 102696631B
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- mite
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- azoles
- mite azoles
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Abstract
The invention discloses an acaricidal composition formed by blending etoxazole and chlorfenapyr. The acaricidal composition comprises the etoxazole serving as a first active ingredient, the chlorfenapyr serving as a second active ingredient, and common auxiliary components, wherein the weight ratio of the etoxazole to the chlorfenapyr in the composition is (20:1)-(1:30), and the weight sum of the etoxazole and the chlorfenapyr counts 1 to 80 percent of the weight of the acaricidal composition. The compound acaricidal composition has an obvious synergistic effect, has better prevention and control effect on oranges, apples and cotton mites than the two single agents which are separately used, and can effectively reduce the consumption of pesticide so as to reduce the pesticide cost and reduce the environmental pollution.
Description
Technical field
The present invention relates to agricultural chemicals miticide composition and application thereof, specifically with second mite azoles and capillary for the composite binary complex of active ingredient, for preventing and treating the harmful mite on oranges and tangerines, apple, cotton.
Background technology
Second mite azoles, english common name: etoxazole 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 effective to ovum and mite, 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 good 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.
Capillary, has another name called chlorfenapyr, english common name: chlorfenapyr, is a kind of new pyrrole class insecticidal/acaricidal agent, and the mechanism of action is unique, has stomach toxicity and action of contace poison and systemic activity.With other insecticide without cross resistance, to crop safety.Mainly be applicable to the insects such as the Lepidoptera on the crops such as control cotton, brassicaceous vegetable, ornamental plants and fruit tree, diptera, coleoptera, Semiptera and mite class.
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 epidemic disaster condition, evil mite quantity increases rapidly in the short period of time exponentially, thus easily develops immunity to drugs to miticide, and preventive effect decline, causes serious harm to crop simultaneously.Such as, panonychus citri (
panonychus citrimcGregor) be the Main Harmful mite that current China oranges and tangerines growing area generally occurs, the generation cycle is short, and fertility is strong, is easy to develop immunity to drugs to pesticide control; For another example, Tetranychus urticae (
tetranychus urticaekoah) be worldwide harmful mite, be 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, have again the mixture 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 capillary conducts in-depth research, find that second mite azoles and capillary carry out mixture, within the scope of certain mixed ratio, there is synergistic function, in actual use, second mite azoles and capillary mixture use having outstanding control efficiency the whole vegetative period of evil mite, after further study, the present invention is completed.
Summary of the invention
The object of the present invention is to provide a kind of miticide composition containing second mite azoles and capillary, said composition mixture has obvious synergistic function, is applied to the harmful mite on control oranges and tangerines, apple, cotton.
Another object of the present invention is to the miticide composition containing second mite azoles and capillary, in use can reduce dosage, delay the drug-fast generation of evil mite, it can also be made to significantly improve the control efficiency of evil mite, laborsaving, save money, reduce pollution to environment, reduce farmer's burdens.
The technical scheme of Synergistic mite killing composition of the present invention: with second mite azoles and capillary for active ingredient, second mite azoles and capillary weight ratio is in the composition 20:1 ~ 1:30, the percentage by weight of weight summation in composition pesticide of second mite azoles and capillary is 1% ~ 80%, and all the other are allow in agricultural chemicals to use and acceptable auxiliary element.
Composition pesticide of the present invention is prepared into any one formulation being applicable to agriculturally using by known method, reasonable formulation has the one in suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules and missible oil.
The auxiliary element used in the present composition comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc., and to be of value to active ingredient stable and play the known substance of drug effect in the formulation, be all various compositions that are conventional in pesticidal preparations or permission use, concrete composition and consumption are determined by test according to recipe requirements.
The frequency of administration of the present composition and amount of application change with crops, insect, weather condition and have small variations, can by the object using suitable dosage reach control.
Compared with prior art, the invention has the advantages that: 1, second mite azoles and capillary mixture have obvious synergistic function, be used alone the control efficiency that improve evil mite than single dose.
2, double action mechanism, delays the drug-fast generation of evil mite.
3, utilize the synergistic effect that two kinds of active ingredient mixtures produce, reduce Pesticide use amount, reduce use cost and the pollution to environment.
Embodiment
In order to understand essence of the present invention better, below in conjunction with embodiment, content of the present invention is described further, but can not limitation of the present invention be considered as.
(1) formula and FORMULATION PROCESS EXAMPLES.
In the embodiment of the present invention, active ingredient adopts the 95% former medicine of second mite azoles and the former medicine of 95% capillary.Each component percentages described in following instance is weight percentage.
embodiment 1:25% second mite azoles capillary suspending agent.
Take 5% second mite azoles, 20% capillary, 2.5% triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, 2.5% calcium dodecyl benzene sulfonate, 2% alkylphenol polyoxyethylene formaldehyde condensation products sulphate, 0.2% ethylene glycol, 0.1% xanthan gum, 0.4% organosilicon, 4% glycerine, 0.1% gum Arabic, deionized water complements to 100%.Above-mentioned raw materials, through mixing, after high speed shear dispersion 30min, obtains 25% second mite azoles capillary suspending agent with after skin grinder grinding.
embodiment 2:30% second mite azoles chlorfenapyr microemulsion.
Take 10% second mite azoles, 20% capillary, 10% ethyl acetate, 8% diethyl phthalate, enters compounding kettle after the abundant mixed dissolution of three, 2% alkylphenol polyoxyethylene is added again to compounding kettle, 8% polyol fatty acid ester and ethylene oxide adduct thereof, 4% disecoctylmaleate sodium sulfonate, 2% antioxidant 264, after abundant stirring and dissolving, deionized water complements to 100%.Continue to be stirred to transparent, obtained 30% second mite azoles chlorfenapyr microemulsion.
embodiment 3:40% second mite azoles capillary aqueous emulsion.
Take 15% second mite azoles, 25% capillary, 3% emulsifier T-60,2%Span-60#, 5% agriculture breast 600# phosphate, 1% triphenyl phosphite, 8% propane diols, 8% cyclohexanone, 10% dimethylbenzene, 0.5% 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 capillary aqueous emulsion.
embodiment 4:50% second mite azoles capillary wetting powder.
Take 30% second mite azoles, 20% capillary, 8% calcium lignosulfonate, 5% Nekal BX, 2%K-12,5% white carbon, kaolin adds to 100% weight portion.Above-mentioned raw materials, through mixing, obtains 50% second mite azoles capillary wetting powder after air-flow crushing.
embodiment 5:60% second mite azoles acarid nitrile water dispersion granula.
Take 35% second mite azoles, 25% capillary, 5% Huntsman Corporation of the TERSPERSE 2700(U.S. produce), 6% dispersing agent NNO, 5% Nekal BX, 3%K-12,6% white carbon, 5% sulphur ammonium, diatomite adds to 100% weight portion.Above-mentioned raw materials, through mixing, ultra micro air-flow crushing, mixing, granulation, obtains 60% second mite azoles acarid nitrile water dispersion granula.
embodiment 6:20% second mite azoles capillary missible oil.
Take 2% second mite azoles, 18% capillary, 6% agriculture breast 500#, 3% agriculture breast 400#, 2.5% Nongru-700 #, 4% 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 capillary missible oil completely afterwards.
(2) the indoor biological determination of activity of the present composition and field efficacy checking.
second mite azoles and capillary are to the indoor joint toxicity measuring of panonychus citri.
Test medicine adopts the 95% former medicine of second mite azoles and the former medicine of 95% capillary; 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 co-toxicity coefficient (the 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.
Result of the test is in table 1.As can be seen from Table 1, second mite azoles and capillary are 20
:1 ~ 1
:30(is by weight) scope in mixture time, co-toxicity coefficient (CTC) is all greater than 120, shows synergistic function to panonychus citri, visible second mite azoles and capillary is composite has reasonability and feasibility.
Table 1, second mite azoles and capillary are to the indoor joint toxicity measuring result of panonychus citri.
second mite azoles and capillary are to the indoor joint toxicity measuring of cotton Tetranychus cinnabarinus.
Test medicine adopts the 95% former medicine of second mite azoles and the former medicine of 95% capillary; 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 co-toxicity coefficient (the 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.
Result of the test is in table 2.As can be seen from Table 2, second mite azoles and capillary are 20
:1 ~ 1
:30(is by weight) scope in mixture time, co-toxicity coefficient (CTC) is all greater than 120, shows synergistic function to cotton Tetranychus cinnabarinus, visible second mite azoles and capillary is composite has reasonability and feasibility.
Table 2, second mite azoles and capillary are to the indoor joint toxicity measuring result of cotton Tetranychus cinnabarinus.
second mite azoles and capillary mixture are to the field control effectiveness test of European red mite.
Adopt embodiment 1(25% second mite azoles capillary suspending agent) for preventing and treating European red mite, 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, every strain looks into 5 blades respectively by orientation, 4, the four corners of the world, every community looks into 40 blades altogether, records mite number of living, and calculates 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 capillary suspending agent control European red mite.
As can be seen from result of the test table 3: after 25% second mite azoles capillary suspending agent of the present invention uses 5000 times of dispensers, 7d, 14d, 30d all will use 4000 times and 10% capillary suspending agent single dose to use 1500 times apparently higher than the second mite azole suspending agent single dose same period 11% to the preventive effect of European red mite, illustrate that second mite azoles and capillary mixture can improve European red mite preventive effect compared with being used alone with two kinds of single doses, there is good lasting effect simultaneously, and do not find that this medicament produces poisoning to apple.
second mite azoles and capillary mixture are to the field control effectiveness test of cotton red spider.
Adopt embodiment 2(30% second mite azoles chlorfenapyr microemulsion) for preventing and treating cotton red spider, 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, every strain looks into 5 blades respectively by orientation, 4, the four corners of the world, each community looks into 40 blades altogether, records mite number of living, and calculates 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 chlorfenapyr microemulsion control cotton red spider result of the test.
As can be seen from result of the test table 4: after 30% second mite azoles chlorfenapyr microemulsion of the present invention uses 6000 times of dispensers, 7d, 14d, 30d all will use 4000 times and 10% capillary suspending agent single dose to use 1500 times apparently higher than the second mite azole suspending agent single dose same period 11% to the preventive effect of cotton red spider, illustrate that second mite azoles and capillary mixture can improve cotton red spider preventive effect compared with being used alone with two kinds of single doses, there is good lasting effect simultaneously, and do not find that this medicament produces poisoning to cotton.
In sum, the present invention adopts two kinds of active components to be the mixture composition of second mite azoles and capillary, has synergistic function.Compared with single dose, control efficiency significantly improves, and the lasting period is long, to crop safety, can slow down the drug-fast generation of harmful mite, be worth applying in agricultural production.
Claims (5)
1. contain a Synergistic mite killing composition for second mite azoles and capillary, it is characterized in that active ingredient is second mite azoles and capillary, second mite azoles and capillary weight ratio is in the composition 20:1 ~ 1:30.
2. a kind of Synergistic mite killing composition containing second mite azoles and capillary according to claim 1, is characterized in that: the percentage by weight of weight summation in composition pesticide of second mite azoles and capillary is 1% ~ 80%.
3. a kind of Synergistic mite killing composition containing second mite azoles and capillary according to claim 1, is characterized in that: also containing the auxiliary element that pesticidal preparations is conventional in described miticide composition, to make the formulation products being adapted at agricultural production uses.
4. a kind of Synergistic mite killing composition containing second mite azoles and capillary according to claim 3, is characterized in that: its formulation is the one in suspending agent, aqueous emulsion, microemulsion, wetting powder, water dispersible granules or missible oil.
5. a kind of Synergistic mite killing composition containing second mite azoles and capillary according to claim 1, is characterized in that: for preventing and treating the harmful mite on oranges and tangerines, apple, cotton.
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| CN107136093A (en) * | 2017-06-08 | 2017-09-08 | 合肥龙滨化工科技有限公司 | A kind of composition pesticide |
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Application publication date: 20121003 Assignee: Chengdu Kelilong Biochemical Co.,Ltd. Assignor: Guangdong Zhongxun Agricultural Technology Co., Ltd. Contract record no.: X2019440020027 Denomination of invention: Synergistic acaricidal composition containing etoxazole and chlorfenapyr Granted publication date: 20150708 License type: Common License Record date: 20191125 |
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