CN102224825A - Pesticide composition containing sulfoxaflor and nereistoxin compound - Google Patents
Pesticide composition containing sulfoxaflor and nereistoxin compound Download PDFInfo
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- CN102224825A CN102224825A CN2011101039147A CN201110103914A CN102224825A CN 102224825 A CN102224825 A CN 102224825A CN 2011101039147 A CN2011101039147 A CN 2011101039147A CN 201110103914 A CN201110103914 A CN 201110103914A CN 102224825 A CN102224825 A CN 102224825A
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Abstract
The invention belongs to the field of pesticide complex formulation, and relates to a pesticide composition. The pesticide composition is a two-component blended composition with effective components of sulfoxaflor and a nereistoxin compound. The weight ratio between the two components is 1 to 80:80 to 1, and preferably the weight ratio is 3 to 50:60 to 5. A total mass percentage of the effective components is 1% to 90%, and preferably 5% to 60%. The rest components are auxiliary components which are acceptable and applicable in pesticides. With the auxiliary components, the pesticide composition can be made into cream, suspending agent, wettable powder, water dispersible granules, aqueous emulsion, or micellar emulsion. The pesticide composition with sulfoxaflor and a nereistoxin compound as effective components has a substantial controlling effect against lepidoptera insects such as diamondback moth, beet armyworm, prodenia litura, cotton bollworm, chilo suppressalis, and mealybugs, and homoptera piercing-and-sucking mouthpiece pests such as plant hopper, aphid, whitefly, and leafhopper.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, being specifically related to a kind of is that active ingredient is carried out two yuan of Pesticidal combinations that are mixed with fluorine pyridine worm amine nitrile and nereistoxin compounds.
Background technology
Fluorine pyridine worm amine nitrile (Sulfoxaflor), its chemical name: [1-6-(trifluoromethyl) pyridin-3-yl] ethyl]-λ 4-sulfydryl cyanamide; Molecular formula: C
10H
10F
3N
3OS, structural formula is:
Fluorine pyridine worm amine nitrile is the sulfimide insecticide, acts on binding site unique in the choline receptor and brings into play insecticidal function.Can be through leaf, stem, root absorption and enter in the plant corpus.Fluorine pyridine worm amine nitrile is applicable to control cotton fleahopper, aphid, aleyrodid, plant hopper and coccid etc.; Efficiently, fast and the longevity of residure long, can effectively prevent and treat to nicotinoids, chrysanthemum ester class the suction juice class pest of organic phosphates and carbamate chemicals for agriculture generation resistance.Have advantages such as rapid-action, strong drug action, consumption be low, have extensive prospect in cotton and paddy rice market.Though fluorine pyridine worm amine eyeball mechanism of action and anabasine insecticide are similar, all act on the anabasine acceptor in the insect bodies, but fluorine pyridine worm amine nitrile is the new class insecticide different with anabasine, through my research staff of company research, find that barley verticillium wilt that it is propagated to the cereal aphid and by worm etc. also has certain effect.Has bigger potential market.
Described chitin synthesis inhibitor compound is cartap, dimehypo, desinsection list, thiocyclam.
The cartap stomach poison function is strong, has simultaneously to tag and certain food refusal, kill effect such as ovum, and insect is knocked down soon, and the longevity of residure is long, the desinsection wide spectrum.Can be used for preventing and treating various pests and nematodes such as Lepidoptera, coleoptera, Semiptera, diptera, less to the predacious mites influence.
Dimehypo is a kind of never poison, insect is had stronger tagging and stomach poison function, and have certain fumigation action concurrently, and very strong systemic action is arranged, and can be absorbed and conduction by the leaf of crop, corn, root etc.Be applicable to crops such as paddy rice, vegetables, fruit tree, cotton and wheat.Insect contact and get the food medicament after show that blunt, slow in action, as to lose infringement crop ability, stasi, polypide are softening, paralysis, until death.Insect to dry crops such as phyllocnistis citrella stainton, cabbage caterpillar, diamond-back moth, tea geometrid, the thin moth of tea, smaller green leaf hopper, sugarcane bar in seedling stage snout moth's larva, pink rice borers has very high preventive effect.
The desinsection list, chemical name 1-thiosulfonic acid sodium base-2-dimethylamino-3-thiosulfonic acid base propane can effectively be prevented and treated rice-stem borer, paddy stem borer, rice leaf roller, simultaneously rice leafhopper, lice, rice plant skipper, fruit aphid etc. is all had favorable effect.
Thiocyclam is a selective insecticide, has stomach toxicity, tags, systemic action, can be to the top conduction, the lasting period of control Lepidoptera and coleopteran pest is 7～14 days, also can prevent and treat parasitic nematode,, rust and the dead ears disease of some crops also be had certain preventive effect as the white sharp nematode of paddy rice.Can prevent and treat paddy stem borer, rice leaf roller, striped rice borer, paddy rice thrips, leafhopper, rice gall midge, plant hopper, black peach aphid, apple aphid, European red mite, pear leaf worm, citrus leaf-miner, vegetable-crop pest-insect etc.
Separately and long-term above medicament, the especially sandworm toxin insecticide of using, longer-term uses the back insect to produce certain pesticide resistance continuously, and has that dosage is big, cost strengthens, simultaneously can the weighting ring environment pollution.And exist insecticidal spectrum narrow, shortcomings such as quick-acting or lasting effect difference.Good in order to develop quick-acting and lasting effect, reduce pesticide cost, we are on the basis of indoor biometrics screening and field trial, filter out fluorine pyridine worm amine nitrile and nereistoxin compounds carry out two yuan composite, has obvious synergistic effect, and high-efficiency environment friendly is not found relevant composite report by retrieval so far yet.
Summary of the invention
Based on above situation, through the research staff of our company experimental study repeatedly, a kind of new insecticides has been proposed, it is Pesticidal combination of the present invention, said composition contains two kinds of active components of A, B, component A is selected from fluorine pyridine worm amine nitrile, and B component is selected from nereistoxin compounds cartap, dimehypo, desinsection list, the thiocyclam one of any.
Wherein of the present inventionly contain one or two yuan of any composite Pesticidal combination in A fluorine pyridine worm amine nitrile and B nereistoxin compounds cartap, dimehypo, desinsection list, the thiocyclam, the percentage by weight of effective active composition A and B is 1～80: 80～1.
Describedly contain one or two yuan of any composite Pesticidal combination in A fluorine pyridine worm amine nitrile and B nereistoxin compounds cartap, dimehypo, desinsection list, the thiocyclam, the percentage by weight of effective active composition A and B is preferably 3～50: 60～5.
It is one of key character of the present invention that two kinds of active components of A, B are re-dubbed new compositions according to a certain percentage, and another feature is that the formulation that described fluorine-containing pyridine worm amine nitrile and the composite Pesticidal combination of nereistoxin compounds can be made into is aqueous emulsion, microemulsion, missible oil, suspending agent, wetting powder, water dispersible granules.
Describedly contain one or two yuan of any composite Pesticidal combination in A fluorine pyridine worm amine nitrile and B nereistoxin compounds cartap, dimehypo, desinsection list, the thiocyclam, the gross mass content of two kinds of active components of A, B in preparation is 1%-90%, preferred 5%-60%; All the other are usual auxiliaries in the agricultural chemicals.
The formulation embodiment:
Component A is selected from fluorine pyridine worm amine nitrile in the following embodiment, and B component is selected from nereistoxin compounds cartap, dimehypo, desinsection list, the thiocyclam one of any.
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 is added with B, solvent and emulsifier, cosolvent and be in the same place, make and be dissolved into uniform oil phase; With part water, antifreeze, other insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water, 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 until reaching the phase inversion point.Promptly 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, add other compositions such as emulsifier, antifreezing agent stabilizing agent again, evenly mix, add entry at last, 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 emulsifier, the synergist back that stirs after the dissolving fully again and becomes the oily liquids of transparent and homogeneous for earlier effective constituents A, B being added in the solvent, and can promptly 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 is earlier other auxiliary agents to be mixed, and mixes through high speed shear, adds effective constituents A, B, and abrading-ball is 2～3 hours in ball crusher, makes a diameter all below 5mm, promptly can be made into the suspending agent preparation of the present composition.
Five of technical scheme of the present invention, described Pesticidal combination is a wetting powder, the percentage by weight of component is:
The concrete production stage of this wetting powder is: by above-mentioned prescription effective constituents A, B and dispersant, wetting agent and filler are mixed, in stirred tank, evenly stir, behind airslide disintegrating mill, mixing, promptly 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 prescription effective constituents A, B and dispersant, wetting agent, disintegrant and filler are mixed, pulverize with micro jet, through mediating, add then and carry out granulation, drying, screening in the fluidized bed prilling dryer after sample analysis, promptly can be made into the water dispersible granules of the present composition.
Auxiliary component is selected from following in the wherein above formulation:
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, for example farming breast 300, farming breast 500, farming breast 600, Nongru-700, agricultural newborn SorplKS, OX2511, NNO, NP series etc., emulsifier can be one or more mixture
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, the 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, the spaonin powder.
Thickener is one or more the mixture in CMC, polyvinyl alcohol, xanthans, gum Arabic, sodium alginate, polyvinylpyrrolidone, bentonite, aluminium-magnesium silicate, the gypsum.
Penetrating agent is one or both the mixture among Laurocapram, the JFC.
Defoamer can be one or more the mixture in organic silicone oil, methyl alcohol, ethanol, the epoxidized soybean oil.
Antifreezing agent is one or more the mixture in ethylene glycol, propane diols, glycerine, polyethylene glycol, the 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 the 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), the dimethyl sulfoxide (DMSO) (DMSO).
Disintegrant can be one or more the mixture in urea, magnesium chloride, aluminium chloride, sodium chloride, ammonium sulfate, the bentonite.
Carrier is one or more the mixture in kaolin, diatomite, atlapulgite, white carbon black, clay, precipitated calcium carbonate, talcum powder, the montmorillonite.
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, effectively reduce environmental pollution and residue of pesticide, in the time of aspect Homoptera suckings pest such as lepidopterous insects such as the snout moth's larva of rice, mealybug classes such as control diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer and plant hopper, aphid, aleyrodid, leafhopper, excellent preventive effect is arranged.
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 these examples absolutely not.The following stated only is the present invention embodiment preferably, only is used to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of being made within the spirit and principles in the present invention, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
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) all is a mass ratio.
Determination of activity example 1:
(1) reagent agent
The former medicine of 96% fluorine pyridine worm amine nitrile, the former medicine of 98% cartap, above-mentioned former medicine provides by Qingdao Hailir Pesticides and Chemical Co., Ltd..
(2) for examination worm source
Indoor Turnip Sprouts are raised continuously the third-instar larvae of the diamond-back moth in 10 generations, temperature (25 ± 2) ℃, relative moisture 50% ± 4%, periodicity of illumination 14/10h (L/D).
(3) single agent assay method
Adopt dip method respectively with two groups of former medicines all with the small amount of acetone dissolving, be diluted to into 5 dense solution of equal difference again with 0.1% Tween solution, be diluted in the beaker with standby, and in contrast with clear water.
With of the same size three age diamondback moth larvae in the soup that soaks the worm cage, flood 5S, inhale and to go to be placed in the culture dish that diameter is 9cm behind the unnecessary soup, be placed with fresh cabbage leaves in the ware and add a cover.Every concentration is handled 10, repeats 4 times.If blank.Keep in (27 ± 1) ℃ illumination box checking lethality behind the 24h that it is dead touching the polypide nonresponder with group pin.Lethality Abbott formula correction, again according to the concentration logarithm---the lethality probit value is analyzed (Bliss) method, obtains virulence regression equation and puts dead middle amount LC
50Value.
(4) the joint toxicity measuring method of different proportionings
According to the toxicity test result of single agent, by active ingredient 15% quality than fluorine pyridine worm amine nitrile: cartap amine was respectively 3: 12,5: 10,7: 8,9: 6,11: 4.
Adopt above-mentioned 1.3 methods 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: (with fluorine pyridine worm amine nitrile is the standard medicament, and its toxicity index is 100):
The LC of the toxicity index of cartap (TI)=fluorine pyridine worm amine nitrile
50The LC of/cartap
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 cartap of the TI of the theoretical toxicity index (TTI) of M=fluorine pyridine worm amine nitrile * P fluorine pyridine worm amine nitrile+cartap
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula:
M is a cartap and the mixture of the different proportionings of fluorine pyridine worm amine nitrile
The P cartap is cartap shared ratio in mixture
P fluorine pyridine worm amine nitrile is fluorine pyridine worm amine nitrile shared ratio in mixture
(5) toxicity test result and analysis
Table 1 fluorine pyridine worm amine nitrile, cartap are to the indoor measurement result of diamond-back moth
As can be seen from the 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: cartap is that 5: 10 synergistic effect is the most obvious, and co-toxicity coefficient is 154.68.Result of the test shows, cartap, two kinds of medicaments of fluorine pyridine worm amine nitrile all have higher activity to diamond-back moth under indoor conditions, the result of the test of different proportion proportioning shows, by active ingredient fluorine pyridine worm amine nitrile: cartap is 3: 12,5: 10,7: 8,9: 6,11: 4 o'clock, all show stronger synergistic effect, wherein with fluorine pyridine worm amine nitrile: cartap is 5: 10 o'clock, and synergistic effect is best.
Determination of activity example 2:
(1) experiment reagent agent
The former medicine of 96% fluorine pyridine worm amine nitrile, the female medicine of 36% dimehypo, the equal Qingdao of above-mentioned former medicine sea rel medicine company group provides.
(2) test target
Rice leaf roller is a tested object with the rice leaf roller, and the worm kind is taken from Zhao Dian town, Gaoqing County Da Lu village paddy field, and is many for artificial feeding in the insectary, select healthy consistent 4～5 age nymph, standby.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 2 fluorine pyridine worm amine nitrile, dimehypo are to the indoor measurement result of rice leaf roller
As can be seen from the 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: dimehypo is that 5: 13 synergistic effect is the most obvious, and co-toxicity coefficient is 154.08.Result of the test shows, fluorine pyridine worm amine nitrile, two kinds of medicaments of dimehypo all have higher activity to rice leaf roller under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio fluorine pyridine worm amine nitrile: dimehypo is when diluting respectively, all show stronger synergistic effect, wherein with fluorine pyridine worm amine nitrile: dimehypo is 5: 13 o'clock, synergistic effect is best, suggestion is carried out further field control effectiveness test to the mixture preparation of 5: 13 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 3:
(1) reagent agent
The former medicine of 96% fluorine pyridine worm amine nitrile, the former medicine of 95% desinsection list, above-mentioned former medicine provides by Qingdao Hailir Pesticides and Chemical Co., Ltd..
(2) for examination worm source
Indoor Turnip Sprouts are raised continuously the third-instar larvae of the diamond-back moth in 10 generations, temperature (25 ± 2) ℃, relative moisture 50% ± 4%, periodicity of illumination 14/10h (L/D).
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 3 fluorine pyridine worm amine nitrile, desinsection list are to the indoor measurement result of diamond-back moth
As can be seen from the 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: the desinsection list is that 5: 15 synergistic effect is the most obvious, and co-toxicity coefficient is 154.74.Result of the test shows, fluorine pyridine worm amine nitrile, two kinds of medicaments of desinsection list 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 fluorine pyridine worm amine nitrile: the desinsection list is when diluting respectively, all show stronger synergistic effect, wherein with fluorine pyridine worm amine nitrile: the desinsection list is 5: 15 o'clock, synergistic effect is best, suggestion is carried out further field control effectiveness test to the mixture preparation of 5: 15 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 4:
(1) experiment reagent agent
The former medicine of 96% fluorine pyridine worm amine nitrile, the former medicine of 90% thiocyclam, the equal Qingdao of above-mentioned former medicine sea rel medicine company group provides.
(2) test target
Rice leaf roller is a tested object with the rice leaf roller, and the worm kind is taken from Zhao Dian town, Gaoqing County Da Lu village paddy field, and is many for artificial feeding in the insectary, select healthy consistent 4～5 age nymph, standby.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 4 fluorine pyridine worm amine nitrile, thiocyclam are to the indoor measurement result of rice leaf roller
As can be seen from the 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: thiocyclam is that 5: 15 synergistic effect is the most obvious, and co-toxicity coefficient is 156.35.Result of the test shows, fluorine pyridine worm amine nitrile, two kinds of medicaments of thiocyclam all have higher activity to rice leaf roller under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio fluorine pyridine worm amine nitrile: thiocyclam is when diluting respectively, all show stronger synergistic effect, wherein with fluorine pyridine worm amine nitrile: thiocyclam is 5: 15 o'clock, synergistic effect is best, suggestion is carried out further field control effectiveness test to the mixture preparation of 5: 15 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Field experiment example 1: field trial control rice leaf roller
(1) test method
Test is carried out in the double cropping rice field in Luo Wan village, journey market town, Jianli County, Jingzhou City, Hubei Province, and experimental field soil is loam, middle fertility, and irrigation and drainage are convenient, all plant double cropping rice all around.For the rice is doing well before the rice medication of trying the water.The minizone builds the little mud ridge in case string is irritated, and there is 3～4cm shoaling layer in the field during dispenser, water conservation 7d behind the medicine, and test is indulged low age nymph occurrence in peak period (September 4) medication in afternoon 1 time four (2) for rice, to water 50kg/hm
2, with the evenly thick spraying of workers and peasants 16 type knapsack hand sprayers, this moment, paddy rice was in grouting mid-term, and 1～3 age nymph account for 90%.Dispenser was fine the same day, 29.5 ℃ of mean temperature of air; 7d does not all have rain behind the medicine, and weather does not have influence substantially to this test.
(2) control time and method
Investigate altogether 5 times, (September 5) investigation insect population radix before the medicine, 2d behind the medicine (September 7), 7d behind the medicine (September 12), 21d (September 26) investigates respectively 1 time behind 14d behind the medicine (September 19) and the medicine.Take parallel great-jump-forward random sampling 15 points in every sub-district, 2 clumps every, totally 30 clumps of rice are write down the borer population alive of rice leaf roller respectively with the basin method of clapping, and calculate it then and proofread and correct preventive effect (hereinafter to be referred as preventive effect).
(3) drug effect computational methods
Preventive effect (%)=(the treatment region insect population rate of going down-check plot insect population go down rate)/(100-according to district's insect population go down rate) * 100
(4) poisoning investigation method
Behind medicine 2,7,14,21d observes the paddy growth situation, and the range estimation medicament does not all have poisoning to paddy rice.
(5) field control effectiveness test result of the test
Table 5 is handled chemical control rice leaf roller 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, its control efficiency to rice leaf roller all is better than contrasting medicament behind the medicine, 5% fluorine pyridine worm amine nitrile+13% dimehypo, insecticidal effect of 14 days behind medicine is respectively 91.38%, 92.85% and 94.34%, 21 days insecticidal effect is respectively 92.92%, 93.60%, 94.33% behind the medicine, and insecticidal effect increases progressively along with the increase of consumption.According to field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and poisoning phenomenon to paddy rice all do not occur, illustrates that it is safe to paddy rice.In process of the test, testing crew finds that it also has fine control efficiency to insects such as rice hoppers, advises that the insecticide different with the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
Field experiment example 2: field experiment control diamond-back moth
(1) test method
Tested on November 7th, 2010 to November 17 and carry out at cities and towns, precipice, Sanya, Hainan Province truck garden.Tested on November 7th, 2010 and carry out routine to water spray by each processing design concentration.Spraying equipment is a 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.The field diamond-back moth is 1～2 instar larvae peak period during dispenser.Every 667m
2To the water yield is 60kg.
Duration of test weather is good, and daily mean temperature is 26～31 ℃.Dispenser fine day on the same day.
(2) investigation method
Before dispenser, press 5 samplings of diagonal, every wild cabbage 2～3 strains (deciding) of choosing diamond-back moth ovum and larva on insect density in every sub-district.Statistics is demarcated diamondback moth larvae head number in the strain, with this as dispenser before the insect population radix.In after the dispenser the 3rd, 7,10d investigates the diamondback moth larvae number of deciding residual survival in the strain respectively. go down rate as control efficiency to proofread and correct insect population
(3) drug effect computational methods.
(4) poisoning investigation method
Duration of test is observed and is respectively handled sub-district wild cabbage well-grown, all finds no the poisoning phenomenon and takes place.
(5) field control effectiveness test result of the test
Table 6 is handled chemical control wild cabbage diamond-back moth 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, its control efficiency to the wild cabbage diamond-back moth all is better than contrasting medicament behind the medicine, 5% fluorine pyridine worm amine nitrile+10% cartap control diamond-back moth quick-acting is fast, and efficiency time is long, and control efficiency is good.10 days insecticidal effect reaches 93.53%, 94.01%, 95.59% respectively behind medicine, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication is handled does not all have poisoning to wild cabbage, finds that it also has the better prevention effect to insects such as diamond-back moths simultaneously yet.Suggestion was grasped at diamondback moth larvae before 3 ages in dispenser period, required even spraying during dispenser, blade face, blade back even medicine, advise that the medicament different with other mechanisms of action is used alternatingly, to delay the generation of pest resistance to insecticide.
To sum up result of the test is described, of the present invention with fluorine pyridine worm amine nitrile be selected from cartap, dimehypo, the desinsection list, carry out two yuan of composite Pesticidal combinations for active ingredient one of arbitrarily in the thiocyclam, to beet armyworm and prodenia litura, insects such as rice leaf roller show good control efficiency, to the target crop safety, compare with single agent, Pesticidal combination of the present invention has mechanism of action uniqueness, the unit administration amount is few, quick-acting is good, the advantage that lasting period is long, so, in research and development of the present invention and popularization the important social meaning is arranged, can produce very big economic benefit, promote the peasant's of vast vegetables main producing region increasing both production and income,, the potentiality that vigorously promote the use are arranged agricultural product and Environmental security.
Claims (8)
1. agricultural insecticide composition is characterized in that: this Pesticidal combination is to be that two yuan of carrying out of active ingredient are mixed with (A) fluorine pyridine worm amine nitrile with (B) being selected from one of any in nereistoxin compounds cartap, dimehypo, desinsection list, the thiocyclam.
2. Pesticidal combination according to claim 1 is characterized in that: the effective constituents A of this Pesticidal combination and the percentage by weight of B are 1～80: 80～1.
3. Pesticidal combination according to claim 1 is characterized in that: the percentage by weight of this Pesticidal combination effective constituents A and B is 3～50: 60～5.
4. Pesticidal combination according to claim 1 is characterized in that: effective constituents A and the B gross weight percentage composition in preparation is 1%-90% in this Pesticidal combination.
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 5%-60% in this Pesticidal combination.
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, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
7. Pesticidal combination according to claim 1 is characterized in that: Pesticidal combination of the present invention is mainly used in control Homoptera sucking pest and lepidopterous insects.
8. Pesticidal combination according to claim 7 is characterized in that: Pesticidal combination of the present invention is mainly used in control plant hopper, aphid, aleyrodid, leafhopper, coccid, diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, rice leaf roller mealybug, cotton fleahopper.
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| CN2011101039147A Pending CN102224825A (en) | 2011-04-25 | 2011-04-25 | Pesticide composition containing sulfoxaflor and nereistoxin compound |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651363A (en) * | 2012-09-06 | 2014-03-26 | 陕西美邦农药有限公司 | Pesticidal composition containing spiromesifen and nereistoxin |
| CN105685080A (en) * | 2016-02-27 | 2016-06-22 | 江苏天容集团股份有限公司 | Insecticide composition including sulfoxaflor and dimehypo |
| CN105707108A (en) * | 2016-02-27 | 2016-06-29 | 江苏天容集团股份有限公司 | Insecticidal composition containing sulfoxaflor and thiocyclam |
| CN105794828A (en) * | 2014-12-30 | 2016-07-27 | 江苏龙灯化学有限公司 | Insecticidal composition and insect control method |
| CN105961418A (en) * | 2016-06-22 | 2016-09-28 | 赵思璐 | Composition for controlling prodenia litura, and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102017977A (en) * | 2010-12-24 | 2011-04-20 | 陕西上格之路生物科学有限公司 | Pesticidal composition containing sulfoxaflor and monosultap |
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- 2011-04-25 CN CN2011101039147A patent/CN102224825A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102017977A (en) * | 2010-12-24 | 2011-04-20 | 陕西上格之路生物科学有限公司 | Pesticidal composition containing sulfoxaflor and monosultap |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651363A (en) * | 2012-09-06 | 2014-03-26 | 陕西美邦农药有限公司 | Pesticidal composition containing spiromesifen and nereistoxin |
| CN103651363B (en) * | 2012-09-06 | 2015-04-15 | 陕西美邦农药有限公司 | Pesticidal composition containing spiromesifen and nereistoxin |
| CN105794828A (en) * | 2014-12-30 | 2016-07-27 | 江苏龙灯化学有限公司 | Insecticidal composition and insect control method |
| CN105685080A (en) * | 2016-02-27 | 2016-06-22 | 江苏天容集团股份有限公司 | Insecticide composition including sulfoxaflor and dimehypo |
| CN105707108A (en) * | 2016-02-27 | 2016-06-29 | 江苏天容集团股份有限公司 | Insecticidal composition containing sulfoxaflor and thiocyclam |
| CN105961418A (en) * | 2016-06-22 | 2016-09-28 | 赵思璐 | Composition for controlling prodenia litura, and preparation method thereof |
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Application publication date: 20111026 |