CN102440260A - Insecticidal composition containing sulfoxaflor and cyhalothrin - Google Patents
Insecticidal composition containing sulfoxaflor and cyhalothrin Download PDFInfo
- Publication number
- CN102440260A CN102440260A CN2010105071062A CN201010507106A CN102440260A CN 102440260 A CN102440260 A CN 102440260A CN 2010105071062 A CN2010105071062 A CN 2010105071062A CN 201010507106 A CN201010507106 A CN 201010507106A CN 102440260 A CN102440260 A CN 102440260A
- Authority
- CN
- China
- Prior art keywords
- cyhalothrin
- pesticidal combination
- cotton
- fluorine pyridine
- mass ratio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- ZXQYGBMAQZUVMI-UNOMPAQXSA-N cyhalothrin Chemical compound CC1(C)C(\C=C(/Cl)C(F)(F)F)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-UNOMPAQXSA-N 0.000 title claims abstract description 35
- 239000000203 mixture Substances 0.000 title claims abstract description 21
- 230000000749 insecticidal effect Effects 0.000 title abstract description 11
- 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 46
- BAOWVDHYZBLYMB-UHFFFAOYSA-N [F].C1=CC=NC=C1 Chemical compound [F].C1=CC=NC=C1 BAOWVDHYZBLYMB-UHFFFAOYSA-N 0.000 claims description 34
- 230000000361 pesticidal effect Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000002917 insecticide Substances 0.000 claims description 10
- 239000000470 constituent Substances 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 6
- 239000004480 active ingredient Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000000375 suspending agent Substances 0.000 claims description 5
- 238000009472 formulation Methods 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 241001124076 Aphididae Species 0.000 abstract description 10
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- 239000005946 Cypermethrin Substances 0.000 abstract 1
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- 241000255993 Trichoplusia ni Species 0.000 abstract 1
- 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 abstract 1
- 229960005424 cypermethrin Drugs 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 38
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- 238000012360 testing method Methods 0.000 description 16
- 241000209140 Triticum Species 0.000 description 12
- 235000021307 Triticum Nutrition 0.000 description 12
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 10
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
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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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- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- ZXQYGBMAQZUVMI-XDHOZWIPSA-N [cyano-(3-phenoxyphenyl)methyl] 3-[(e)-2-chloro-3,3,3-trifluoroprop-1-enyl]-2,2-dimethylcyclopropane-1-carboxylate Chemical compound CC1(C)C(\C=C(\Cl)C(F)(F)F)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-XDHOZWIPSA-N 0.000 description 4
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 241000256247 Spodoptera exigua Species 0.000 description 3
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
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- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
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Landscapes
- 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 1-100: 100-1, the preferred mass ratio is 1-24: 24-1, the optimal mass ratio is 1-20: 10-1, the total mass percentage of the effective components in the insecticidal composition is 1-100%, preferably 5-50%, and the balance is auxiliary components which are allowed to be used and can be accepted in pesticides. The insecticidal composition prepared by compounding the sulfoxaflor and the cyhalothrin as effective components according to a certain proportion has obvious synergistic effect on pests such as cotton bollworm, pink bollworm, cotton aphid, corn borer, citrus leaf miner, scale insect nymph, leaf mite, leaf roller moth larva, budworm, aphid, diamond back moth, cabbage looper, prodenia litura, oriental tobacco budworm, cabbage caterpillar and the like of crops such as fruit trees, vegetables, cotton, tobacco, corn and corn, and the like, and is also effective on sanitary pests such as mosquitoes, flies 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 cyhalothrin.
Background technology
Cyhalothrin is the trifluoro cyhalothrin again, belongs to the bionical thing agricultural chemicals of pyrethroid and has desinsection wide spectrum, efficient, speed is fast, the lasting period is long characteristics.Have and tag and stomach poison function, 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 lasting period is very long, can reach 1-2 month.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, cabbage caterpillar, beet armyworm, prodenia litura, oriental tobacco budworm, rice thrips etc. all there is good preventive 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 and vegetables diamond-back moth, cotton bollworm and beet armyworm is seen, more satisfactory medicament should have quick-acting and the lasting effect ability, and is current; The lasting effect that the medicament that uses in the production has is good; Quick-acting poor, 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., the inventor can produce good synergistic effect after discovering fluorine pyridine worm amine nitrile and lambda-cyhalothrin compound, and still unexposed about the relevant report of fluorine pyridine worm amine nitrile and lambda-cyhalothrin compound.
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 cyhalothrin (B) be that active ingredient is mixed; To insects such as vegetables diamond-back moth, beet armyworm, oriental tobacco budworm, cotton bollworms, the control of insects such as the moth-eaten moth of fruit tree, olethreutid peach fruit borer, oriental fruit moth, various fruit aphid and plant hopper, aphid, wood louse, mealybug has good synergistic effect.
Pesticidal combination of the present invention is characterized in that the mass ratio of effective constituents A and B is 1～100: 100～1.
Pesticidal combination of the present invention is characterized in that through the toxicity test experiment, the mass ratio of effective constituents A and B more preferably is 1～24: 24～1.
Pesticidal combination of the present invention is characterised in that effective constituents A is 1～20: 10～1 with the optimal quality ratio of B.
The formulation that said Pesticidal combination of the present invention can be prepared is missible oil, aqueous emulsion, suspending agent and wetting powder.Said fluorine pyridine worm amine nitrile and the gross mass content of cyhalothrin in preparation are 1%-100%, preferred 5%-50%.
One of technical scheme of the present invention, described Pesticidal combination are cream preparation, and the mass percent of each component is:
Fluorine pyridine worm amine nitrile 1～100%
Cyhalothrin 1～100%
Emulsifier 10～30%
Solvent 20～50%
Synergist 1～5%
The concrete production stage of this cream preparation does; Earlier fluorine pyridine worm amine nitrile and cyhalothrin are added in the solvent and add emulsifier again after the dissolving fully, synergist stirs and afterwards becomes the oily liquids of homogeneous transparent; Can promptly makes the cream preparation that contains the Pesticidal combination of fluorine pyridine worm amine nitrile and cyhalothrin of the present invention.
Two of technical scheme of the present invention, described insecticide are combined as and are the aqueous emulsion preparation, and the mass percent of each component is:
Fluorine pyridine worm amine nitrile 1～100%
Cyhalothrin 1～100%
Emulsifier 3～30%
Solvent 5～15%
Cosolvent 5～20%
Stabilizing agent 2～15%
Antifreezing agent 2～5%
Antifoaming agent 0.1～8%
Thickener 0.2～2%
Water surplus
The concrete production stage of this aqueous emulsion is: at first former medicine fluorine pyridine worm amine nitrile is added with cyhalothrin, solvent, emulsifier, cosolvent and be in the same place, make and be dissolved into uniform oil phase; Other auxiliary agents such as part water, antifreeze, antimicrobial are mixed into uniform aqueous phase; When the agitated reactor high speed stirs; Oil phase is added water, slowly add water to the phase inversion point, open clipper and carry out high speed shear; And add remaining water; Shear half an hour approximately, form the aqueous emulsion of oil-in-water type, make the aqueous emulsion preparation that contains the Pesticidal combination of fluorine pyridine worm amine nitrile and cyhalothrin of the present invention.
Of the present invention with three of technical scheme, described Pesticidal combination is the suspending agent preparation, and the mass percent of each component is:
Fluorine pyridine worm amine nitrile 1～100%
Cyhalothrin 1～100%
Dispersant 5～20%
Antifreezing agent 1～5%
Thickener 0.1～2%
Antifoaming agent 0.1～0.8%
Water surplus
The concrete production stage of this suspending agent does; Earlier other auxiliary agents are mixed; Mix through high speed shear, add active ingredient fluorine pyridine worm amine nitrile and cyhalothrin, ball milling is 2～3 hours in ball mill; Make a diameter all below 5 μ m, make the suspending agent preparation that contains the Pesticidal combination of fluorine pyridine worm amine nitrile and cyhalothrin of the present invention.
Four of technical scheme of the present invention, described Pesticidal combination are the wettable powder agent formulation, and the mass percent of its each component is:
Fluorine pyridine worm amine nitrile 1～100%
Cyhalothrin 1～100%
Dispersant 3～10%
Wetting agent 1～5%
The filler surplus
The concrete production stage of this wetting powder is: by above-mentioned prescription fluorine pyridine worm amine nitrile, cyhalothrin and dispersant, wetting agent and filler are mixed; In stirred tank, evenly stir; After airslide disintegrating mill is pulverized, mix again, can make the wettable powder agent formulation that contains the Pesticidal combination of fluorine pyridine worm amine nitrile and cyhalothrin of the present invention.
Described emulsifier is selected from the mixture that one or more arbitrary proportions in calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, APES sulfosuccinate, styryl phenol APEO, NPE, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, the polyoxyethylene aliphatic alcohol ether are formed.
Said solvent is the mixed solvent that one or more arbitrary proportions in xylol or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), the water equal solvent are formed.
Said synergist is meant to have the medicament of enhancing penetration; Go deep into extended capability; Knock down insect speed, the resistance of rainwater washing against power of agricultural chemicals is provided; Thereby improve the New-type adjuvant of agricultural insecticide, one type of safety of killing mite, bactericidal effect, environmental protection, nontoxic, noresidue, optional in organic silicon pesticide synergist ZC-650 or organic silicon pesticide bleeding agent extended pattern Agrowet810c, agricultural organic silicon pesticide synergist Silwet408, azone any one.
Described dispersant is selected from one or more in polycarboxylate, lignosulfonates, APES formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sulphate, APES, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, the fatty acid glyceride APEO.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, DBSA, Nekal BX, moistening bleeding agent F, alkylnaphthalene sulfonate, polyoxyethylene triphenylethylene phosphenylic acid salt, spaonin powder, silkworm excrement, the soapberry powder.
Said thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, the glycerine.
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.Can prevent and treat cotton bollworm, pink bollworm, cotten aphid, corn borer, phyllocnistis citrella stainton, scale insect nymph, tetranychid, leaf rollers larva, heart-eating worm, the aphid of fruit tree, vegetables, cotton, tobacco, seeding corn and other crops; Diamond-back moth, tomato moth, prodenia litura, oriental tobacco budworm, Oeobia undalis, cabbage caterpillar, also effective to sanitary insect pests such as mosquito, flies.
The present invention has following characteristics:
1, the two composite after, insecticidal spectrum enlarges, virulence increases, and obvious synergistic effect is arranged;
2, double action mechanism, insect are difficult for producing drug resistance;
3, the lasting period long, dispenser after 20 days preventive effect still can reach 90%;
4, reduce drug dose, be beneficial to environmental protection.
Embodiment:
The different proportioning co-toxicities of fluorine pyridine worm amine nitrile with cyhalothrin
1.1 supply the reagent agent
The former medicine of 93% fluorine pyridine worm amine nitrile, the former medicine of 93% cyhalothrin, 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 cyhalothrin of fluorine pyridine worm amine nitrile was respectively 10: 5; 11: 4; 12: 3; 13: 2; It is for use respectively to be diluted to 5 series concentration gradients at 14: 1.
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 115 4.7-2006.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 cyhalothrin (TI)=fluorine pyridine worm amine nitrile
50The LC of/cyhalothrin
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 cyhalothrin of the TI of the theoretical toxicity index (TTI) of M=fluorine pyridine worm amine nitrile * P fluorine pyridine worm amine nitrile+cyhalothrin
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula:
M is a cyhalothrin and the mixture of the different proportionings of fluorine pyridine worm amine nitrile
The P cyhalothrin is cyhalothrin 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, cyhalothrin 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: cyhalothrin is that 13: 2 synergistic effect is the most obvious, and co-toxicity coefficient is 148.47.Result of the test shows that cyhalothrin, 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: cyhalothrin is 10: 5; 11: 4; 12: 3; 13: 2; When respectively diluting all show stronger synergistic effect at 14: 1, wherein with fluorine pyridine worm amine nitrile: cyhalothrin is 13: 2 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 13: 2 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 10th, 2010 and carry out the reagent spray processing, the Sanmenxia City wheat paddock carries out in Henan Province, and the experimental field wheat was sowed on November 6th, 2009, shallow rotary tillage mechanical planting, and the better soil texture of wheat growing way is a clay, middle fertility, pH value 7.0.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 50 strain wheats are counted in every some sampling 10 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 2; 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 2% cyhalothrin+13% fluorine pyridine worm amine nitrile, insecticidal effect of 21 days behind medicine is respectively 86.35%, 89.70% and 93.24%, 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 July 15th, 2010 and handle, the cotton plant bug generation investigation of beating period saves Yang Chengzhuan township, Jinghai County Shuan Yao village cotton field in Tianjin and makes an experiment, 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
(July 15) investigation insect population quantity before the medicine, dispenser on July 15,1,3,7,14 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 2% cyhalothrin+13% fluorine pyridine worm amine nitrile, insecticidal effect of 21 days behind medicine is respectively 85.48%, 88.65% and 92.70%, 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 cyhalothrin 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 (5)
1. agricultural insecticide composition is characterized in that: it is composite to be with fluorine pyridine worm amine nitrile (A) and cyhalothrin (B) that active ingredient is carried out, and the mass ratio of effective constituents A and B is 1～100: 100～: 1;
2. Pesticidal combination according to claim 1 is characterized in that: the mass ratio of effective constituents A and B is preferably 1～24: 24～1;
3. Pesticidal combination according to claim 1 is characterized in that: effective constituents A and B optimal quality ratio are 1～20: 10～1;
4. Pesticidal combination according to claim 1 is characterized in that: effective constituents A and the B gross mass percentage composition in preparation is 1%-100%, preferably than being preferred 5%-50%;
5. Pesticidal combination according to claim 1 is characterized in that: Pesticidal combination of the present invention adds conventional auxiliary material according to the known method of those skilled in the art of the present technique and auxiliary agent can make missible oil, aqueous emulsion, suspending agent and wetting powder formulation.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111011392A (en) * | 2018-10-09 | 2020-04-17 | 江苏功成生物科技有限公司 | Sanitary insecticidal composition and application thereof |
| CN115997625A (en) * | 2022-12-08 | 2023-04-25 | 广西南亚热带农业科学研究所 | Selenium-rich mesona chinensis cultivation method |
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2010
- 2010-10-08 CN CN2010105071062A patent/CN102440260A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111011392A (en) * | 2018-10-09 | 2020-04-17 | 江苏功成生物科技有限公司 | Sanitary insecticidal composition and application thereof |
| CN115997625A (en) * | 2022-12-08 | 2023-04-25 | 广西南亚热带农业科学研究所 | Selenium-rich mesona chinensis cultivation method |
| CN115997625B (en) * | 2022-12-08 | 2024-04-26 | 广西南亚热带农业科学研究所 | Selenium-rich mesona chinensis cultivation method |
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