CN102239867B - Pesticide complex composition containing sulfuryl fluoride oxime ether - Google Patents
Pesticide complex composition containing sulfuryl fluoride oxime ether Download PDFInfo
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- CN102239867B CN102239867B CN 201110122465 CN201110122465A CN102239867B CN 102239867 B CN102239867 B CN 102239867B CN 201110122465 CN201110122465 CN 201110122465 CN 201110122465 A CN201110122465 A CN 201110122465A CN 102239867 B CN102239867 B CN 102239867B
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- sufluoxime
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- hexaflumuron
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- 239000012452 mother liquor Substances 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- 230000003151 ovacidal effect Effects 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- CJDWRQLODFKPEL-UHFFFAOYSA-N teflubenzuron Chemical compound FC1=CC=CC(F)=C1C(=O)NC(=O)NC1=CC(Cl)=C(F)C(Cl)=C1F CJDWRQLODFKPEL-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000001018 virulence Effects 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to an insecticidal composition in the field of pesticide complex, which comprises the two active ingredients in percentage by weight: 1 to 80 percent of sulfuryl fluoride oxime ether and 80 to 1 percent of chitin synthetic inhibitor compound, and preferably 1 to 50 percent of sulfuryl fluoride oxime ether and 50 to 1 percent of chitin synthetic inhibitor compound. The mass percentage composition of the active ingredients in the insecticidal composition is between 1 and 90 percent, and preferably 5 and 55 percent, and the balance is auxiliary ingredients which are allowed to be used and can be accepted in pesticides; and the insecticidal composition can be prepared into aqueous emulsion, microemulsion, missible oil, suspending agents, wettable powder and aqueous dispersion granules, and is mainly used for preventing and controlling insect pests of tee trees, vegetables and the like.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, be specifically related to a kind ofly carry out two yuan of Pesticidal combinations that are mixed take sufluoxime and part chitin synthesis inhibitor compounds as active ingredient.
Background technology
Sufluoxime is national southern agricultural chemicals initiative Hunan, center base Hunan Chemical Research Institute autonomous Design in 2002, the synthetic non-ester class pyrethroid novel pesticide with independent intellectual property right of formulating out, the research and development code name is HNPC-A2005, chemical name: 1-(3-fluoro-4-chlorphenyl)-2-methylmercaptan ethyl ketoxime-O-(2-methyl biphenyl-3-methyl) ether, its structural formula is:
Sufluoxime can effectively be prevented and treated Pests of Tea-Plants, tea caterpillar, tea lesser leafhopper, tea chi Qu, citrus pest leaf miner and vegetable-crop pest-insect, cabbage caterpillar etc., and insecticidal spectrum is wide, and effect rapidly.Toxicity and residue test result show, sufluoxime belongs to low toxicity, low-residual, to the environmentally friendly compound of non-target organism safety.
Part chitin synthesis inhibitor compound described in the present invention is that Buprofezin, lufenuron, diafenthiuron, HEXAFLUMURON, fluorine uride, pyrrole worm are grand.
Buprofezin has another name called buprofezin, english common name buprofezin, chemical name 2-Te-Ding imido grpup-3-isopropyl-5-phenyl-3,4,5,6-tetrahydrochysene-2H-1,3,5-thiadiazine-4-ketone, molecular formula: C
16H
23N
3OS.Structural formula is:
Buprofezin is a kind of selective insecticide that insect growth is grown that suppresses, and action of contace poison is strong, and stomach poison function is also arranged.Mechanism of action is synthetic and disturb metabolism for suppressing insect chitin, causes nymph cast off a skin deformity or wing deformity and slowly dead.Double wing purpose plant hopper, leafhopper, aleyrodid and scale insect class pest have good control efficiency, and the drug effect phase is longer, and is safer to natural enemy.Shortcoming is not obvious to homoptera pest adult control efficiency, in addition, found that at present the insect parathiazine ketone such as rice fulgorid has produced the resistance (monitoring for resistance of brown planthopper parathiazine ketone of low-medium level, the rice in China science, 2008, increased more than one times when 22 (2)), the dosage of field control is than initial the application.
Lufenuron, chemical name: RS)-1-[2,5-two chloro-4-(1,1,2,3,3,3-hexafluoro propoxyl group) phenyl]-3-(2,6-difluoro benzoyl) urea, molecular formula: C
17H
8C
12F
8N
2O
3, act on insect larvae, stop the decortication process and kill off the insect pests, especially the food leaf caterpillars such as fruit tree there is outstanding preventive effect, thrips, rust mite, trialeurodes vaporariorum there are unique mechanism of killing, be suitable for control to pyrethroid and organophosphorous pesticide generation resistant insect.
Diafenthiuron (Diafenthiuron), C
23H
32N
2OS is a kind of novel Thiourea efficient insecticide, miticide, have tag, stomach toxicity, interior suction and fumigation action, low toxicity, but to fish, the high poison of honeybee.Change the material with insecticidal activity under ultraviolet light, have stronger activity to having produced serious drug-fast insect on vegetables.Can prevent and treat aphid, aleyrodid, leafhopper, noctuidae pests and evil mite on various crop and ornamental plants.
HEXAFLUMURON, 1-[3,5-two chloro-4-(1,1; 2,2-tetrafluoro ethyoxyl) phenyl]-3-(2,6-difluoro benzoyl) urea, this product belongs to the benzoyl urea insecticide; be chitin synthesis inhibitor, have very high desinsection and ovicidal activity, and quick-acting, especially prevent and treat cotton bollworm.Be used for cotton, potato and the multiple coleoptera of fruit tree control, diptera, Homoptera insect.
The fluorine uride has the compound of stomach toxicity and action of contace poison simultaneously concurrently, has the insecticidal activity of wide spectrum, and is not only effective to lepidoptera pest, and plant hopper and other class pests are also had activity; Activity to sea ash wing moth 3 instar larvaes at night is suitable with UC 62644 10, is 10 times of Teflubenzuron 11, and B.tabaci ovum and larva are all had good activity.
The grand pyridine tick urine that has another name called of pyrrole worm; the fluorine pearl is grand; fluorine pyridine tick urine; chemical name: 1-[4-chloro-3-(3-chloro-5-trifluoromethyl)-2-pyridine oxygen base phenyl)]-3-[2; the 6-difluoro benzoyl] urea; white is to the off-white powder crystallization, and the pyrrole worm is grand is a kind of parasite growth regulator, and the many animals vermins such as ox, sheep, rabbit are had good killing effect.
In actual agricultural production process, use separately above medicament, exist insecticidal spectrum narrower, consumption is large, increased cost, increased the weight of environmental pollution, in addition also a series of shortcomings such as insect easily develops immunity to drugs after relatively poor, continuous use of single dose quick-acting or lasting effect.Good in order to develop quick-acting and lasting effect, the new pesticide combination that use cost is lower, we pass through lot of experiments and have filtered out sufluoxime and chitin synthesis inhibitor compound and carry out two yuan of composite Pesticidal combinations on the basis of indoor biometrics screening and field trial.Said composition has obvious synergistic effect, high-efficiency environment friendly, and do not find so far about this type of composite relevant report.
Summary of the invention
Patent about sufluoxime; as seen patent ZL99115557.2; denomination of invention is " biocidal alkyl-replacement (mixing)-aryl-ketoxime-O-ether and intermediate ketone, oxime compound and preparation method thereof "; with patent ZL200310110647.1; denomination of invention is " sulfur-bearing of desinsection, sterilization, oxime-containing ether compound "; mainly the oximido ether compounds such as sufluoxime and intermediate and preparation method etc. are protected in these two patents; also have simultaneously the protection of some single dose preparations aspect, but and not mentioned and other desinsections or bactericide compounded composition.
Also have in addition patent ZL200810032165.1, mention the desinsection patent protection that sufluoxime and macrolides compound are composite in " Pesticidal combination of sufluoxime ", but the research of not mentioned compound synergic effect to other classification compounds.
Based on above situation, I personnel of research and development centre of company conduct in-depth research the new compound sufluoxime, after long-term experiment, a kind of new insecticides has been proposed, it is Pesticidal combination of the present invention, said composition contains A, two kinds of effective active components of B, and wherein component A is selected from sufluoxime, and B component is selected from that chitin synthesis inhibitor compounds Buprofezin, pyrrole worm are grand, one of any in diafenthiuron, HEXAFLUMURON, fluorine uride, lufenuron.
Wherein one of any as two yuan of composite Pesticidal combinations of active ingredient in, diafenthiuron grand take A sufluoxime and B chitin synthesis inhibitor compounds Buprofezin, pyrrole worm of the present invention, HEXAFLUMURON, fluorine uride, lufenuron, the percentage by weight of effective active composition A and B is 1～80: 80～1.
One of any as two yuan of composite Pesticidal combinations of active ingredient in described, diafenthiuron grand take A sufluoxime and B chitin synthesis inhibitor compounds Buprofezin, pyrrole worm, HEXAFLUMURON, fluorine uride, lufenuron, the percentage by weight of effective active composition A and B is preferably 1～50: 55～1.
It is one of key character of the present invention that A, two kinds of active components of B are re-dubbed new compositions according to a certain percentage, and another feature is that described to contain the formulation that sufluoxime and the composite Pesticidal combination of described chitin synthesis inhibitor compounds can be made into be aqueous emulsion, microemulsion, missible oil, suspending agent, wetting powder, water dispersible granules.
Describedly be able to that A sufluoxime and B chitin synthesis inhibitor compound Buprofezin, pyrrole worm are grand, be two yuan of composite Pesticidal combinations of active ingredient one of arbitrarily in diafenthiuron, HEXAFLUMURON, fluorine uride, lufenuron, A, the gross mass content of two kinds of active components of B in preparation are 1%-90%, preferred 5%-55%; All the other are usual auxiliaries in agricultural chemicals.
Pesticidal combination of the present invention has obvious synergistic effect, can reduce effective ingredient consumption, reduce drug cost, delay the generation of pest resistance to insecticide, effective environmental contamination reduction and residue of pesticide, Homoptera suckings pest such as the lepidopterous insects such as control diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, mealybug class and plant hopper, aphid, aleyrodid, leafhopper, during the insect such as cotton fleahopper, two spotted spider mite aspect, excellent preventive effect is arranged.Especially at control Pests of Tea-Plants such as tea caterpillar, tea lesser leafhopper, tea chi Qu etc., there is special efficacy the insect such as citrus pest leaf miner and vegetable-crop pest-insect such as cabbage caterpillar, diamond-back moth, beet armyworm, prodenia litura aspect.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to absolutely not these examples.The following stated is only the present invention embodiment preferably, only is used for explaining the present invention, can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that all any modifications of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
Simple formulation embodiment is as follows:
In following embodiment, component A is selected from sufluoxime, and B component is selected from that chitin synthesis inhibitor compounds Buprofezin, pyrrole worm are grand, one of any in diafenthiuron, HEXAFLUMURON, fluorine uride, lufenuron.
One of technical scheme of the present invention, described Pesticidal combination are aqueous emulsion, and the percentage by weight of component is:
The concrete production stage of this aqueous emulsion is: at first former medicine A and B, solvent and emulsifier, cosolvent are added together, make to be dissolved into uniform oil phase; With part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water until reach the phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type.Namely can be made into the aqueous emulsion of the present composition.
Two of technical scheme of the present invention, when described Pesticidal combination was microemulsion, the percentage by weight of component was:
The concrete production stage of this microemulsion is: former medicine A, B are dissolved fully with cosolvent, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, evenly mix, add at last entry, can be made into microemulsion after fully stirring.
Three of technical scheme of the present invention, described Pesticidal combination are cream preparation, and the mass percent of component is:
The concrete production stage of this cream preparation adds the stir oily liquids of rear one-tenth transparent and homogeneous of emulsifier, synergist after dissolving fully again for first effective constituents A, B being added in solvent, and can namely can be made into the cream preparation of the present composition.
Four of technical scheme of the present invention, described Pesticidal combination are suspending agent, and the percentage by weight of component is:
The concrete production stage of this suspending agent mixes through high speed shear for first other auxiliary agents being mixed, and adds effective constituents A, B, and abrading-ball is 2～3 hours in ball crusher, makes a diameter all below 5mm, namely can be made into the suspending agent preparation of the present composition.
Five of technical scheme of the present invention, described Pesticidal combination is wetting powder, the percentage by weight of component is:
The concrete production stage of this wetting powder is: by above-mentioned formula, effective constituents A, B and dispersant, wetting agent and filler are mixed, uniform stirring in stirred tank, mixing after airslide disintegrating mill, namely can be made into the wetting powder of the present composition.
Six of technical scheme of the present invention, described Pesticidal combination are water dispersible granules, and the percentage by weight of component is:
The concrete production stage of this water dispersible granules is: by above-mentioned formula, effective constituents A, B and dispersant, wetting agent, disintegrant and filler are mixed, pulverize with micro jet, through mediating, then add and carry out granulation, drying, screening in the fluidized bed prilling dryer by sample analysis, namely can be made into the water dispersible granules of the present composition.
Wherein in above formulation, auxiliary component is selected from following:
Emulsifier is alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, alkylphenol polyoxyethylene formaldehyde condensation products, diphenyl phenol polyethenoxy polyformaldehyde condensation product, castor oil ethylene oxide adduct and derivative thereof, such as agriculture breast 300, agriculture breast 500, agriculture breast 600, Nongru-700, agriculture breast Sorpl KS, OX2511, NNO, NP series etc., emulsifier can be the mixture of one or more
Dispersant has one or several the mixture in lignosulfonates, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, lignosulfite, fatty acid ester sulphate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether.
Wetting agent is one or several the mixture in fatty acid amide N methyl taurine sodium salt, lignosulfonates, alkylphenol polyoxyethylene sulphate, petroleum sodium sulfonate, alkylnaphthalene sulfonate, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, lignosulfite, the withered powder of tea, spaonin powder.
Thickener is one or more the mixture in CMC, polyvinyl alcohol, xanthans, gum Arabic, sodium alginate, polyvinylpyrrolidone, bentonite, aluminium-magnesium silicate, gypsum.
Penetrating agent is one or both the mixture in Laurocapram, JFC.
Defoamer can be one or more the mixture in organic silicone oil, methyl alcohol, ethanol, epoxidized soybean oil.
Antifreezing agent is one or more the mixture in ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite.
PH value conditioning agent is one or more the mixture in sodium hydroxide, potassium hydroxide, ammoniacal liquor, hydrochloric acid, acetic acid, phosphoric acid or citric acid.
Solvent and cosolvent have one or more the mixture in water, methyl alcohol, ethanol, butanols, ethylene glycol, propane diols, glycerine, polyethylene glycol, acetone, cyclohexanone, pyrrolidones, toluene, dimethylbenzene, ethyl acetate, dimethyl formamide (DMF), dimethyl sulfoxide (DMSO) (DMSO).
Disintegrant can be one or more the mixture in urea, magnesium chloride, aluminium chloride, sodium chloride, ammonium sulfate, bentonite.
Carrier is one or more the mixture in kaolin, diatomite, atlapulgite, White Carbon black, clay, precipitated calcium carbonate, talcum powder, montmorillonite.
Indoor biometrics screening and field experiment:
The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio of below mentioning (comprising percentage) is all mass ratio.
Determination of activity example 1:
(1) test medicine
95% sufluoxime, Hunan Chemical Research Institute, the 95% former medicine of HEXAFLUMURON, Hebei Weiyuan Biochemical Co., Ltd..
(2) test target
The indoor beet armyworm of for many generations raising, indoor conditions: temperature (26 ± 2) ℃, relative moisture 68% ± 5%, periodicity of illumination 16/8h (L/D).
(3) test method
The polypide immersion method is adopted in this test.At first the mother liquor with sufluoxime, HEXAFLUMURON is diluted to 5 concentration, is placed in respectively beaker standby.Sweep lightly with the beet exigua larvae at writing brush 3 initial stages in age that physiological status is consistent and soak in the worm device, will soak the worm device and soak into the liquidly, shake gently, take out after 5s, wash dried polypide and unnecessary liquid peripherally with blotting paper rapidly.It is 26 ℃ that larva after processing is placed in temperature, and relative moisture is in 70% intelligent insectary.Every concentration repeats 3 times, and 20 larvas of every repetition are established blank simultaneously, and is doomed dead respectively at 48h inspection after medicine, calculates lethality, corrected mortality, obtains virulence regression equation and calculate LC
50The control group lethality is being efficiency test below 10%.
(4) data statistics and analysis
According to preliminary experiment, both total active ingredient 5% is set, set ratio is that m (sufluoxime): m (HEXAFLUMURON) was respectively 0.5: 4.5,1: 4, and 1.5: 3.5,2: 3,2.5: 2.5.
Adopt said method to carry out toxicity test, calculate LC
50, and press the abundant method of Sun Yun and calculate co-toxicity coefficient (CTC).Co-toxicity coefficient CTC, computing formula is as follows: (take sufluoxime as the standard medicament, its toxicity index is 100):
The LC of the toxicity index of HEXAFLUMURON (TI)=sufluoxime
50The LC of/HEXAFLUMURON
50* 100
The LC of the actual toxicity index (ATI) of M=sufluoxime
50The LC of/M
50* 100
The TI of the TI of the theoretical toxicity index (TTI) of M=sufluoxime * P sufluoxime+HEXAFLUMURON * P HEXAFLUMURON
The TTI of the ATI/M of the co-toxicity coefficient of M (CTC)=M * 100
In formula:
M is HEXAFLUMURON and the mixture of the different proportionings of sufluoxime
The P HEXAFLUMURON is HEXAFLUMURON shared ratio in mixture
The P sufluoxime is sufluoxime shared ratio in mixture
(5) toxicity test result and analysis
Table 1 sufluoxime, the HEXAFLUMURON indoor measurement result to beet armyworm
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein HEXAFLUMURON all greater than 120: sufluoxime is that synergistic effect in 1: 4 o'clock is the most obvious, and co-toxicity coefficient is 158.12.Result of the test shows, HEXAFLUMURON, two kinds of medicaments of sufluoxime all have higher activity to cotton bollworm under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio sufluoxime: HEXAFLUMURON is 0.5: 4.5,1: 4,1.5: 3.5,2: 3,, all show stronger synergistic effect at 2.5: 2.5 o'clock, wherein take sufluoxime: HEXAFLUMURON is at 1: 4 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 1: 4 left and right scope of suitable proportion, to estimate its field practical application effect.
Determination of activity example 2:
(1) experiment reagent agent
The 95% former medicine of sufluoxime, Hunan Chemical Research Institute, the 99% former medicine of Buprofezin, Jiangsu Zhongqi Chemical Industry Co., Ltd.
According to preliminary experiment, both total active ingredient 13% is set, set ratio is that m (sufluoxime): m (Buprofezin) was respectively 1: 12; 3: 10; 5: 8; 7: 6; 9: 4.
(2) test target
The Laoshan tea place is picked up from by tea lesser leafhopper system, and during experiment, the consistent greenery cicada of picking Individual Size is for examination.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 2 sufluoxime, the Buprofezin indoor measurement result to tea lesser leafhopper
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein sufluoxime all greater than 120: Buprofezin is that synergistic effect in 3: 10 o'clock is the most obvious, and co-toxicity coefficient is 165.37.Result of the test shows, Buprofezin, two kinds of medicaments of sufluoxime all have higher activity to tea lesser leafhopper under indoor conditions, and the result of the test of different proportionings shows, in active ingredient ratio sufluoxime: Buprofezin is 1: 12; 3: 10; 5: 8; 7: 6; When respectively diluting all show stronger synergistic effect at 9: 4, wherein take sufluoxime: Buprofezin is at 3: 10 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 3: 10 left and right scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 3:
(1) experiment reagent agent
95% sufluoxime, Hunan Chemical Research Institute, the 98% former medicine of diafenthiuron, Jiangsu Province Yancheng South Chemical Co., Ltd..
According to preliminary experiment, both total active ingredient 15% is set, set ratio is that m (sufluoxime): m (HEXAFLUMURON) was respectively 3: 12; 5: 10; 7: 8; 9: 6; 11: 4.
(2) test target
The indoor diamond-back moth of for many generations raising, indoor conditions: temperature (28 ± 2) ℃.Relative moisture 70% ± 5%, periodicity of illumination 16/8h (L/D).
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 3 sufluoxime, the diafenthiuron indoor measurement result to diamond-back moth
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein sufluoxime all greater than 120: diafenthiuron is that the synergistic effect of 5: 10 is the most obvious, and co-toxicity coefficient is 166.52.Result of the test shows, diafenthiuron, two kinds of medicaments of sufluoxime all have higher activity to diamond-back moth under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio sufluoxime: diafenthiuron is 3: 12,5: 10,7: 8,9: 6, when respectively diluting all show stronger synergistic effect at 11: 4, wherein take sufluoxime: diafenthiuron is at 5: 10 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 5: 10 left and right scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 4:
(1) experiment reagent agent
96% sufluoxime, Hunan Chemical Research Institute; 98.5% fluorine uride, Israel Maxime chemical company.
According to preliminary experiment, both total active ingredient 15% is set, set ratio is that m (sufluoxime): m (fluorine uride) was respectively 3: 12,5: 10, and 7: 8,9: 6,11: 4.
(2) test target
Beet armyworm, the indoor beet armyworm of for many generations raising, indoor conditions: temperature (26 ± 2) ℃, relative moisture 68% ± 5%, periodicity of illumination 16/8h (L/D).
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 4 sufluoxime, the fluorine uride indoor measurement result to beet armyworm
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein sufluoxime all greater than 120: the fluorine uride is that the synergistic effect of 5: 10 is the most obvious, and co-toxicity coefficient is 162.46.Result of the test shows, fluorine uride, two kinds of medicaments of sufluoxime all have higher activity to beet armyworm under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio sufluoxime: the fluorine uride is 3: 12,5: 10,7: 8,9: 6, when respectively diluting all show stronger synergistic effect at 11: 4, wherein take sufluoxime: diafenthiuron is at 5: 10 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 5: 10 left and right scopes of suitable proportion, to estimate its field practical application effect.
Field experiment example 1: field experiment control cotton smaller green leaf hopper
(1) test method
Test is carried out in the cotton field in Dong Jiuji village, Cangzhou, Hebei Province interchannel county, and experimental field soil fertility is medium, and preceding crop is wheat.For growing fine before the medication of examination cotton.Test is carried out at smaller green leaf hopper low age nymph occurrence in peak period (June 25), and medication in afternoon 1 time is to water 50kg/hm
2, with the evenly thick spraying of workers and peasants 16 type knapsack hand sprayers, this moment, cotton was in squaring period, 1～3 age nymph account for 90%.Dispenser same day is fine day, 28.7 ℃ of mean temperature of air; After medicine 7d is all without rain, weather on this test substantially without impact.
(2) investigation method
Investigate altogether 4 times, (June 25) investigation insect population radix before medicine, 1d after medicine (June 26), 3d after medicine (June 28), after 7d after medicine (July 2) and medicine, 10d (July 5) investigates respectively 1 time.Take every residential quarter random sampling 10 strains, every strain minute upper, middle and lower is got 6 leaves altogether, totally 60 leaves, and with the hand leave dual sides of leafing through lightly, then the record borer population of living calculates it and proofreaies and correct preventive effect (hereinafter to be referred as preventive effect).
(3) drug effect computational methods
(4) poisoning investigation method
After medicine 1,3,7,10d observes the cotton growth situation, the range estimation medicament to cotton all without poisoning.
(5) field control effectiveness test result of the test
Table 5 treatment agent control cotton smaller green leaf hopper field control effectiveness test result
As can be seen from Table 5, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, after medicine, its control efficiency to the cotton smaller green leaf hopper all is better than contrasting medicament, 3% sufluoxime+10% Buprofezin insecticidal effect of 7 days after medicine is respectively 91.17%, 92.21% and 93.60%, 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 the poisoning phenomenon to cotton does not all appear in each treatment agent, illustrates that it is safe to cotton.In process of the test, testing crew finds that it also has certain preventive effect to insects such as cotten aphid and cotton bollworms, and the suggestion insecticide different from the mechanism of action is used alternatingly to delay the generation of pest resistance to insecticide.
Field experiment example 2: field experiment control beet armyworm test
(1) test method
Tested on October 8th, 2010 to October 18 and carry out at Kaiping City, Guangdong Province suburb truck garden.Tested on October 8th, 2010 and carry out routine to water spray by each processing design concentration.Spraying equipment is WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out the routine spraying, makes every effort to evenly thoughtful during the spray medicine.During dispenser, the field beet armyworm is 1～2 instar larvae peak period.Every 667m
2Be 70kg to the water yield.
Duration of test weather is good, and daily mean temperature is 18.5～27.9 ℃, dispenser fine day on the same day.
(2) investigation method
Press 5 samplings of diagonal in every residential quarter before dispenser, every wild cabbage 2～3 strains (depending on insect density) of choosing Beet Armyworm Eggs and larva.Statistics is demarcated beet exigua larvae head number in strain, with this as dispenser before the insect population radix.In after dispenser the 3rd, 7,10d investigates respectively the beet exigua larvae number of deciding residual survival in strain. to proofread and correct the insect population decline rate as control efficiency.
(3) drug effect computational methods
(4) poisoning investigation method
Duration of test is observed and is respectively processed residential quarter wild cabbage well-grown, all finds no the poisoning phenomenon and occurs.
(5) field control effectiveness test result of the test
Table 6 treatment agent control Laphygma exigua Hubner field control effectiveness test result
As can be seen from Table 6, the Mixed Pharmacy of different proportion carries out field experiment by different consumptions, and it is fast that after medicine, its control efficiency to Laphygma exigua Hubner all is better than contrasting medicament 1% sufluoxime+4% HEXAFLUMURON control beet armyworm quick-acting, efficiency time is long, and control efficiency is good.The insecticidal effect of 10 days reaches respectively 91.79%, 93.15%, 94.65% after medicine, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication processing all without poisoning, also finds that it to insects such as diamond-back moths also have preferably control efficiency simultaneously to wild cabbage.The suggestion dispenser rests in beet exigua larvae before 3 ages period, requires even spraying during dispenser, blade face, blade back even medicine, advise that the medicament different from other mechanisms of action is used alternatingly, to delay the generation of pest resistance to insecticide.
to sum up indoor biometrics and twice field experiment result are described, of the present invention with A sufluoxime and B chitin synthesis inhibitor compounds Buprofezin, the pyrrole worm is grand, diafenthiuron, HEXAFLUMURON, the fluorine uride, carry out two yuan of composite Pesticidal combinations for active ingredient one of arbitrarily in lufenuron, to beet armyworm, the insects such as cotton bollworm show good control efficiency, to the target crop safety, compare with single dose, Pesticidal combination of the present invention has mechanism of action uniqueness, the unit consumption is few, quick-acting is good, the advantage that lasting period is long, so, produce very large economic worth in research and development of the present invention and promotion conference, to vast vegetables, the increasing both production and income of the peasant household in tealeaves and cotton producing region and the protection tool of local environment are of great significance.
Claims (2)
1. agricultural insecticide composition that contains sufluoxime, it is characterized in that: the active ingredient of this Pesticidal combination is A sufluoxime and B chitin synthesis inhibitor compounds Buprofezin, diafenthiuron, HEXAFLUMURON, carry out two yuan and be mixed one of arbitrarily in the fluorine uride, wherein total active ingredient is that 5% sufluoxime and the mass ratio of HEXAFLUMURON are 0.5:4.5, 1:4, 1.5:3.5, 2:3, 2.5:2.5, total active ingredient is that 13% sufluoxime and the mass ratio of Buprofezin are 1:12, 3:10, 5:8, 7:6, 9:4, total active ingredient is that 15% sufluoxime and the mass ratio of diafenthiuron are 3:12, 5:10, 7:8, 9:6, 11:4, total active ingredient is that 15% sufluoxime and the mass ratio of fluorine uride are 3:12, 5:10, 7:8, 9:6, 11:4.
2. Pesticidal combination according to claim 1, it is characterized in that: the formulation that this Pesticidal combination can be prepared is aqueous emulsion, microemulsion, missible oil, suspending agent, wetting powder, water dispersible granules.
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| CN1528143A (en) * | 2003-09-26 | 2004-09-15 | 湖南化工研究院 | Composition containing non-fatty oxime ether pyrethrin insecticide |
| CN101336634A (en) * | 2008-08-27 | 2009-01-07 | 国家农药创制工程技术研究中心 | Insecticidal composition of sufluoxime |
| CN101375683A (en) * | 2008-10-09 | 2009-03-04 | 国家农药创制工程技术研究中心 | Compositional water-dispersion granule of herbicide HNPC-C9908 and preparation method |
| CN101375686A (en) * | 2008-10-09 | 2009-03-04 | 国家农药创制工程技术研究中心 | Water-dispersion granule of herbicide HNPC-C9908 and preparation method |
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| CN1528143A (en) * | 2003-09-26 | 2004-09-15 | 湖南化工研究院 | Composition containing non-fatty oxime ether pyrethrin insecticide |
| CN101336634A (en) * | 2008-08-27 | 2009-01-07 | 国家农药创制工程技术研究中心 | Insecticidal composition of sufluoxime |
| CN101375683A (en) * | 2008-10-09 | 2009-03-04 | 国家农药创制工程技术研究中心 | Compositional water-dispersion granule of herbicide HNPC-C9908 and preparation method |
| CN101375686A (en) * | 2008-10-09 | 2009-03-04 | 国家农药创制工程技术研究中心 | Water-dispersion granule of herbicide HNPC-C9908 and preparation method |
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