CN102440259A - Insecticidal composition containing sulfoxaflor and cypermethrin - Google Patents
Insecticidal composition containing sulfoxaflor and cypermethrin Download PDFInfo
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- CN102440259A CN102440259A CN2010105070163A CN201010507016A CN102440259A CN 102440259 A CN102440259 A CN 102440259A CN 2010105070163 A CN2010105070163 A CN 2010105070163A CN 201010507016 A CN201010507016 A CN 201010507016A CN 102440259 A CN102440259 A CN 102440259A
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- cypermethrin
- pesticidal combination
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- fluorine pyridine
- insecticidal composition
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- 239000005946 Cypermethrin Substances 0.000 title claims abstract description 28
- KAATUXNTWXVJKI-UHFFFAOYSA-N cypermethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 KAATUXNTWXVJKI-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229960005424 cypermethrin Drugs 0.000 title claims abstract description 28
- 239000000203 mixture Substances 0.000 title claims abstract description 16
- 230000000749 insecticidal effect Effects 0.000 title abstract description 10
- 239000005934 Sulfoxaflor Substances 0.000 title abstract 3
- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 title abstract 3
- -1 amine nitrile Chemical class 0.000 claims description 26
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- 230000000361 pesticidal effect Effects 0.000 claims description 16
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- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 5
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to an insecticidal composition in the field of pesticide compounding, which comprises the effective components of sulfoxaflor and cypermethrin, the mass ratio of the two effective components is 1-40: 40-1, the preferred mass ratio is 5-24: 24-5, the optimal mass ratio is 10-15: 5-10, the total mass percentage of the effective components in the insecticidal composition is 1-80%, preferably 20-50%, and the balance is auxiliary components which are allowed to be used and can be accepted in pesticides. The insecticidal composition prepared by compounding sulfoxaflor and cypermethrin as effective components according to a certain proportion has obvious synergistic effect on controlling insects with sucking mouth parts such as plant hoppers, aphids, whiteflies, leafhoppers and the like.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, be specifically related to a kind of Pesticidal combination that contains fluorine pyridine worm amine nitrile and cypermethrin.
Background technology
Rice fulgorid is one of the primary pest of China south and middle and lower reach of Yangtze River rice district Rice Production of causing harm; Wherein brown back rice plant hopper and white-backed planthopper are the intermittent big insect that sends out; Be clustered in rice strain base portion with one-tenth, nymph and inhale juice; Cause that the rice plant Huang is withered, the deliquescing of stem stalk or the lodging of mashed stalk, causing harm of brown back rice plant hopper is the most serious, according to statistics only about about 2.5 hundred million mu of 2005 and the area of causing harm in 2006.General paddy rice loss 5～10%, the outbreak year paddy rice underproduction 10～20%, the field piece loss 40～50% that part is heavy, even total crop failure.Small brown rice planthopper cause harm mainly be with become, nymph through the juice of sucking (like the stripe disease) plant that suffers from virus disease after, become ergophore, it not only constantly passes to healthy plant with virus, also passes to its offspring, continues to pass poison by the offspring.
The wheat budworm is long to the harm time of wheat, can continue up to the wheat maturation from seedling stage, and mainly be early stage on blade, mainly draws the juice on the blade, causes the growth of cereal crop seedlings bad, and the later stage mainly is to absorb nutrition to fringe portion.Arrived the wheat grain filling phase, aphid is also transferred on the stem stalk and the wheat head gradually.They puncture the wheat stalk stalk with mouthpart, draw the juice of the inside.Originally in the watery stage, a large amount of nutrients can be transported in the seed continuously through the stem stalk and go, and aphid so one is destroyed, and just equals " to have been held back " nutrient of supplying with seed, and the wheat nutrient supply is not enough, and grouting will be influenced.If can there be the bull aphid to draw juice on the strain wheat simultaneously, wheat nutrition is few, and filling speed is just slow, and output is just low.More serious is that aphid also causes leaf blight easily except direct absorption wheat juice.
Cypermethrin has and tags and stomach poison function, and insecticidal spectrum is wide, and the power of knocking down is strong, and is very effective to lepidopterous larvae.The longevity of residure is very short, and residual danger is minimum, the general longevity of residure 2-3 of foliar spray days; But this medicine applies in the soil, and its longevity of residure is very long, can reach 1-2 month.Be suitable for preventing and treating soil insect, the grub, the mole cricket that particularly prevent and treat peanut, soybean, wheat have good effect.Larva to the multiple lepidoptera pests of crops such as the peanut of causing harm, wheat, paddy rice, cotton, corn, fruit tree, vegetables, mulberry, tea also has the good action effect, and worm's ovum is also had certain lethal effect, also is suitable for preventing and treating warehouse and sanitary insect pest.Fluorine pyridine worm amine nitrile for a kind of new and effective low toxicity broad spectrum insecticide, has very high insecticidal activity to important pests such as aphid, tetranychid, plant hopper, lepidopterous larvae, fly class and coleopteras, and crop is not had poisoning.This medicament can impose on soil, but also foliar spray.Impose on that soil can prevent and treat effectively that root is chrysomelid, wireworm and cutworm.During foliage spray, diamond-back moth, imported cabbageworm, rice thrips etc. all there is favorable effect.
Homoptera pests such as plant hopper, aphid, wood louse, mealybug, and thrips insect such as thrips all has short, characteristics such as breeding amount is big, generation overlap is obvious of breeding cycle, is easy to develop immunity to drugs.From the control efficiency of rice fulgorid and wheat budworm is seen, more satisfactory medicament should have quick-acting and the lasting effect ability, and current, the lasting effect that the medicament that uses in the production has is good, quick-acting poor, and what have is quick-acting good, and lasting effect is poor.Hold and imitate and quick-acting can not taking into account, control efficiency is not ideal enough.Through the inventor discover with fluorine pyridine worm amine nitrile and cypermethrin compounded after can produce good synergistic effect, and still unexposed about fluorine pyridine worm amine nitrile and cypermethrin compounded relevant report.
Summary of the invention
Based on above situation; The object of the present invention is to provide a kind of agricultural insecticide composition; This Pesticidal combination is characterized in that with fluorine pyridine worm amine nitrile (A) and cypermethrin (B) be that active ingredient is mixed; To homoptera pests such as plant hopper, aphid, wood louse, mealybugs, and the control of thrips insect such as thrips has good synergistic effect.
Pesticidal combination of the present invention is characterized in that the mass ratio of effective constituents A and B is 1～40: 40～1.
Pesticidal combination of the present invention is characterized in that through the toxicity test experiment, the mass ratio of effective constituents A and B is preferably 5～24: 24～5.
Pesticidal combination of the present invention is characterised in that effective constituents A is 10～15: 5～10 with the optimal quality ratio of B.
The formulation that said Pesticidal combination of the present invention can be prepared according to the known method of those skilled in the art of the present technique is missible oil, aqueous emulsion, microemulsion, water-dispersible granules and suspending agent.Said fluorine pyridine worm amine nitrile and the gross mass content of cypermethrin in preparation are 1%-80%, preferred 20%-50%.
Pesticidal combination of the present invention has obvious synergistic effect, can reduce effective ingredient consumption, delays the generation of pest resistance to insecticide, and can be used for the improvement of resistant insect.Be particularly suitable for being used to prevent and treat suckings pest such as plant hopper, aphid, aleyrodid, leafhopper.
Embodiment:
1.1 supply the reagent agent
The former medicine of 93% fluorine pyridine worm amine nitrile, 97% cypermethrin technical material, the equal Qingdao of above-mentioned former medicine sea rel medicine company group provides.
1.2 test target
The field population that Qingdao Agricultural University's experimental field of wheat picks up from wheat aphid system, the individual aptery one-tenth aphid of the same size of picking supplies examination during experiment.
1.3 test procedure
1.3.1 soup preparation
Earlier with the former medicine of acetone solution, according to the result of preliminary experiment two an amount of former medicines are made into 5 different proportionings, it is for use with acetone each processing to be diluted to 5 series concentration gradients respectively again.The ratio of 5 different proportioning active ingredients with cypermethrin of fluorine pyridine worm amine nitrile was respectively 14: 6; 12: 8; 10: 10; 8: 12; It is for use respectively to be diluted to 5 series concentration gradients at 6: 14.
1.3.2 chemicals treatment
The drop method that adopts NY/T 1154.1-2006 to recommend is measured.Micro-dropper is used solvent clean, regulate dropper to stand-by state.Choose the examination worm of neat and consistent with writing brush and use CO
2Slight anesthesia is placed in the 9cm culture dish, then with micro-dropper medicament is pursued the polypide belly of a drop in the examination worm, and every some drops physic liquor 0.1L contains the contrast that is treated to of corresponding acetone with drop 0.1L.It is normal cultured in 65% the culturing room that examination worm behind the drop is transferred to (26 ± 2) ℃, relative moisture respectively.Every processing 4 times repeats, and whenever repeats to try 40 of worms, 160 of every processing examination worms.
1.4 control time
Handle back 24h investigation examination worm death condition (judging that supplying examination worm death standard is gently to sting no autonomic response with pin), write down total borer population and dead borer population.
1.5 data statistics and analysis
1.5.1 computational methods
According to survey data, calculate the corrected mortality that each is handled.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T 1154.7-2006.If contrast lethality＜5% is not proofreaied and correct; The contrast lethality by formula 2 is proofreaied and correct between 5%～20%; Contrast lethality＞20%, test need be reformed.
1.5.2 data statistic analysis
Logarithm value with drug concentration (mg/L) is independent variable x, is dependent variable Y with the probit value of corrected mortality, sets up the virulence regression equation formula respectively, adopts the LC of the single agent of DPS computed in software and each proportioning mixture
50And mixture co-toxicity coefficient, relatively synergy situation.Calculate LC
50Calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is following: (with fluorine pyridine worm amine nitrile is the standard medicament, and its toxicity index is 100):
The LC of the toxicity index of cypermethrin (TI)=fluorine pyridine worm amine nitrile
50The LC of/cypermethrin
50* 100
The LC of the actual toxicity index (ATI) of M=fluorine pyridine worm amine nitrile
50The LC of/M
50* 100
TI * P the cypermethrin of the TI of the theoretical toxicity index (TTI) of M=fluorine pyridine worm amine nitrile * P fluorine pyridine worm amine nitrile+cypermethrin
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula:
M is a cypermethrin and the mixture of the different proportionings of fluorine pyridine worm amine nitrile
The P cypermethrin is cypermethrin shared ratio in mixture
P fluorine pyridine worm amine nitrile is fluorine pyridine worm amine nitrile shared ratio in mixture
2.1 toxicity test result
Table 1 fluorine pyridine worm amine nitrile, cypermethrin are to the indoor measurement result of wheat aphid
Can find out that from table in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect all greater than 120, wherein fluorine pyridine worm amine nitrile: cypermethrin is that 12: 8 synergistic effect is the most obvious, and co-toxicity coefficient is 148.74.Result of the test shows that cypermethrin, two kinds of medicaments of fluorine pyridine worm amine nitrile all have higher activity to wheat aphid under indoor conditions, and the result of the test of different proportion proportioning shows, in active ingredient ratio fluorine pyridine worm amine nitrile: cypermethrin is 14: 6; 12: 8; 10: 10; 8: 12; When respectively diluting all show stronger synergistic effect at 6: 14, wherein with fluorine pyridine worm amine nitrile: cypermethrin is 12: 8 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 12: 8 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
3 field trials control wheat aphid, the cotton mirid pentatomid
3.1 field experiment control wheat aphid
3.1.1 test method
Tested on May 13rd, 2009 and carry out the reagent spray processing, carry out in Chen Jing village, Yancheng City Tinghu District Qing Dun town, three ditches are supporting; Irrigation and drainage are convenient, the crop rotation of rice wheat, and preceding stubble is a paddy rice; The experimental field wheat was sowed on November 4th, 2008, shallow rotary tillage mechanical planting, and the better soil texture of wheat growing way is a clay; Middle fertility, pH value 7.3.The per hectare dosage is to the conventional spraying of water 600kg.Spraying equipment bodyguard WS one 16 type manual sprayers, cone nozzle spraying, operating pressure 0.2～0.4MPa, flow 0.65～0.88L/min.
3.1.2 control time and method
Each is handled and adopts 5 sampling methods of diagonal, and 100 strain wheats are counted in every some sampling 20 strains, investigate the aphid quantity of each sub-district at every turn.Investigation aphid quantity before the dispenser is after the dispenser 1,3,7d investigates residual worm amount, calculation correction preventive effect.
3.1.3 drug effect computational methods
Insect population borer population * 100% of living before rate (%)=(borer population of living behind borer population one medicine of living before the medicine)/medicine that goes down
Control efficiency (%)=(CK insect population go down rate one chemicals treatment insect population go down rate)/CK insect population rate * 100% that goes down
3.1.4 poisoning investigation method
Behind medicine 1,3,7d observes the wheat growth situation, and the range estimation medicament does not all have poisoning to wheat.
3.2 field control effectiveness test result of the test
Table 2 is handled chemical control wheat aphid field control effectiveness test result
Can find out from table 3; The Mixed Pharmacy of different proportion; Carry out field experiment by different consumptions; Its control efficiency to wheat aphid all is superior to contrasting medicament behind the medicine, and 8% cypermethrin+12% fluorine pyridine worm amine nitrile, insecticidal effect of 21 days behind medicine is respectively 89.56%, 90.97% and 94.84%, and insecticidal effect increases progressively along with the increase of consumption.According to the field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and the poisoning phenomenon to wheat all do not occur, explains that it is safe to wheat.Suggestion mixes with mechanism of action different insecticide to be used to delay the generation of pest resistance to insecticide.
4.1 field experiment control cotton plant bug
4.1.1 test method
Test and carry out reagent spray on June 13rd, 2010 and handle, the cotton plant bug generation investigation of beating period, Shuan Yao village cotton field makes an experiment in Yang Chengzhuan township, Jinghai County, Tianjin, and the cotton growing way is better, and the soil texture is a loam, middle fertility, pH value 6.9.Spraying equipment bodyguard WS one 16 type manual sprayers, cone nozzle spraying, operating pressure 0.2～0.4MPa, flow 0.65～0.88L/min.
4.1.2 control time and method
(June 13) investigation insect population quantity before the medicine, dispenser on June 13,1,3,7,14 day remaining borer population alive of investigation behind the medicine, each handles the investigation (looking into the remaining insect population number of 100 strains) and calculate control efficiency of taking to beat.
4.1.3 drug effect computational methods
Insect population borer population * 100% of living before rate (%)=(borer population of living behind borer population one medicine of living before the medicine)/medicine that goes down
Control efficiency (%)=(CK insect population go down rate one chemicals treatment insect population go down rate)/CK insect population rate * 100% that goes down
4.1.4 poisoning investigation method
Behind medicine 1,3,7,14d observes the wheat growth situation, and the range estimation medicament does not all have poisoning to cotton.
4.2 field control effectiveness test result of the test
Table 3 is handled chemical control cotton plant bug field control effectiveness test result
Can find out from table 3; The Mixed Pharmacy of different proportion; Carry out field experiment by different consumptions; Its control efficiency to the cotton plant bug all is superior to contrasting medicament behind the medicine, and 8% cypermethrin+12% fluorine pyridine worm amine nitrile, insecticidal effect of 21 days behind medicine is respectively 85.88%, 87.37% and 92.85%, and insecticidal effect increases progressively along with the increase of consumption.According to the field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and the poisoning phenomenon to cotton all do not occur, explains that it is safe to cotton.In process of the test, testing crew finds that it also has favorable effect to insects such as cotton bollworms, and suggestion mixes with mechanism of action different insecticide to be used to delay the generation of pest resistance to insecticide.
To sum up twice field experiment result is said, and the present invention contains the Pesticidal combination of cypermethrin and fluorine pyridine worm amine nitrile, and insects such as wheat aphid, cotton plant bug are shown good control efficiency; To the target crop safety; Compare with single agent, Pesticidal combination of the present invention has mechanism of action uniqueness, and consumption is few; The advantage that quick-acting is good, the lasting period is long; So, produce very big economic worth in research and development of the present invention and promotion conference, the increasing both production and income of the peasant household in vast paddy rice and cotton producing region and the protection of local ecotope are had crucial meaning.
Claims (6)
1. agricultural insecticide composition is characterized in that: is that active ingredient is mixed with fluorine pyridine worm amine nitrile (A) with cypermethrin (B);
2. Pesticidal combination according to claim 1 is characterized in that: the mass ratio of effective constituents A and B is 1～40: 40～1;
3. Pesticidal combination according to claim 1 is characterized in that: the mass ratio of effective constituents A and B is preferably 5～24: 24～5;
4. Pesticidal combination according to claim 1 is characterized in that: effective constituents A and B optimal quality ratio are 10～15: 5～10;
5. Pesticidal combination according to claim 1 is characterized in that: effective constituents A and the B gross mass percentage composition in preparation is preferably 20%-50%;
6. Pesticidal combination according to claim 1 is characterized in that: the formulation that Pesticidal combination of the present invention can be prepared according to the known method of those skilled in the art of the present technique is missible oil, aqueous emulsion, microemulsion, water-dispersible granules and suspending agent.
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| CN2010105070163A CN102440259A (en) | 2010-10-08 | 2010-10-08 | Insecticidal composition containing sulfoxaflor and cypermethrin |
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| CN2010105070163A CN102440259A (en) | 2010-10-08 | 2010-10-08 | Insecticidal composition containing sulfoxaflor and cypermethrin |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102986708A (en) * | 2012-12-27 | 2013-03-27 | 北京燕化永乐农药有限公司 | Insecticidal composition |
| CN103734125A (en) * | 2013-12-13 | 2014-04-23 | 广西田园生化股份有限公司 | Ultra-low volume liquid containing sulfoxaflor and pyrethroid pesticides |
| CN105794828A (en) * | 2014-12-30 | 2016-07-27 | 江苏龙灯化学有限公司 | Insecticidal composition and insect control method |
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| WO2009135613A1 (en) * | 2008-05-07 | 2009-11-12 | Bayer Cropscience Aktiengesellschaft | Synergistic active ingredient combinations |
| WO2010040623A1 (en) * | 2008-10-08 | 2010-04-15 | Syngenta Participations Ag | Pesticidal combinations containing sulfoxaflor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135613A1 (en) * | 2008-05-07 | 2009-11-12 | Bayer Cropscience Aktiengesellschaft | Synergistic active ingredient combinations |
| WO2010040623A1 (en) * | 2008-10-08 | 2010-04-15 | Syngenta Participations Ag | Pesticidal combinations containing sulfoxaflor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102986708A (en) * | 2012-12-27 | 2013-03-27 | 北京燕化永乐农药有限公司 | Insecticidal composition |
| CN103734125A (en) * | 2013-12-13 | 2014-04-23 | 广西田园生化股份有限公司 | Ultra-low volume liquid containing sulfoxaflor and pyrethroid pesticides |
| CN105794828A (en) * | 2014-12-30 | 2016-07-27 | 江苏龙灯化学有限公司 | Insecticidal composition and insect control method |
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