CN103704263B - A kind of Pesticidal combination containing indoxacarb - Google Patents
A kind of Pesticidal combination containing indoxacarb Download PDFInfo
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- CN103704263B CN103704263B CN201310746642.1A CN201310746642A CN103704263B CN 103704263 B CN103704263 B CN 103704263B CN 201310746642 A CN201310746642 A CN 201310746642A CN 103704263 B CN103704263 B CN 103704263B
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- China
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- parts
- pesticidal combination
- indoxacarb
- weight
- imicyafos
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- 239000005907 Indoxacarb Substances 0.000 title claims abstract description 51
- VBCVPMMZEGZULK-NRFANRHFSA-N indoxacarb Chemical compound C([C@@]1(OC2)C(=O)OC)C3=CC(Cl)=CC=C3C1=NN2C(=O)N(C(=O)OC)C1=CC=C(OC(F)(F)F)C=C1 VBCVPMMZEGZULK-NRFANRHFSA-N 0.000 title claims abstract description 49
- 230000000361 pesticidal effect Effects 0.000 title claims abstract description 42
- 239000000203 mixture Substances 0.000 claims abstract description 37
- PPCUNNLZTNMXFO-ACCUITESSA-N Imicyafos Chemical group CCCSP(=O)(OCC)N1CCN(CC)\C1=N/C#N PPCUNNLZTNMXFO-ACCUITESSA-N 0.000 claims abstract description 23
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of Pesticidal combination containing indoxacarb, its effective ingredient is Imicyafos and two yuan of mixtures of indoxacarb, and the ratio of weight and number of two kinds of effective ingredient is 1～50: 1～60, it is preferable that ratio of weight and number is 5～25: 3～30；The parts by weight content that in insecticidal and bactericidal composition, effective ingredient is total is 1%～80%, preferred weight number content is 5%～40%, all the other are allow in pesticide to use and acceptable auxiliary element, wettable powder, suspending agent, microemulsion, aqueous emulsion and water dispersible granules can be prepared into by known method, Fungicidal insecticidal composition of the present invention be mainly used in preventing and treating grain, cotton, oil, really, vegetables, flowers the insect pest of crop.
Description
Technical field
The present invention relates to technical field of pesticide combination, be specifically related to a kind of Pesticidal combination containing indoxacarb.
Background technology
Imicyafos (AKD-3088) is a kind of cyanamide heterocyclic Organic substance, it is combined by the cyano group Asia imidazolidine of asymmetric organophosphor Yu nicotinic insecticide, can be used for the crops such as Radix Raphani, Radix Dauci Sativae, Fructus Fragariae Ananssae, Fructus Solani melongenae, Fructus Lycopersici esculenti, Fructus Cucumidis sativi, Fructus Melo, Citrullus vulgaris, Ipomoea batatas Lam. and Rhizoma Solani tuber osi, its chemical structural formula is:
。
Indoxacarb; 7-chloro-2; 3; 4a; 5-tetrahydrochysene-2-[methoxycarbonyl (4-Trifluoromethoxyphen-l) carbamoyl] indeno [1; 2-e] [1; 3; 4-] oxadiazines-4a-carboxylate methyl ester; it it is a kind of insecticide of du pont company (E.I.duPontdeNemoursandCompany) Development and Production recently; homerun, by blocking the sodium-ion channel in insecticide neurocyte, makes nerve cell loss function, can effectively prevent and treat grain, cotton, various pests really, on the crop such as vegetables.
Indoxacarb is after life-time service, and its resistance is strengthened by insect year by year, makes pesticide dosage be continuously increased, and causes the adverse consequencess such as high poison, consumption are big, residual is many, drug effect difference.And use the insecticide of one-component, it is easily caused insect to develop immunity to drugs the problem demanding prompt solution being to face in current Pesticide use process, and formulate new and effective Pesticidal compound have high input, cycle length, research strength requirement higher, do not meet the present situation of pesticide enterprise of current China.And composite between pesticide can solve, and pesticide single dose toxicity is big, the problem of weak effect, less investment again, R&D cycle short applicable domestic pesticide enterprise present situation, and mutual between different pesticide uses can the drug-fast generation of retarding action thing, having ideal result of use, therefore between the different mechanisms of action, pesticide composite is the study hotspot of current pesticide field.
Summary of the invention
According to the deficiencies in the prior art; the present invention proposes a kind of Pesticidal combination containing indoxacarb, and said composition contains two kinds of effective active components of A, B, and component A is selected from imicyafos; B is selected from indoxacarb; it is wide that the present composition has effect field, and insecticide efficiency is high, and consumption is few; preventive effect is high; residual is few, and the lasting period is long, is conducive to environmental conservation.
The present invention is a kind of Pesticidal combination preparation carrying out two yuan of mixtures with novel dose of imicyafos and indoxacarb for effective ingredient, wherein in the Pesticidal combination of the present invention, the ratio of weight and number of effective ingredient novel pesticide imicyafos and indoxacarb is 1～50: 1～60, on the basis of the screening of test recipe targetedly, the ratio of weight and number of novel for effective ingredient dose imicyafos Yu indoxacarb can be preferably 5～25: 3～30.
The formulations of pesticide that the preparation method of the agricultural insecticide compositions field of pesticide preparation of the present invention can be prepared are wettable powder, suspending agent, microemulsion, aqueous emulsion and water dispersible granules, in preparation, effective ingredient gross weight accounts for the portion rate of gross weight in preparation is 1%～80%, on the basis of the screening of test recipe targetedly, in preparation, effective ingredient gross weight accounts for the portion rate of gross weight in preparation and is preferably 5%～40%, and all the other are usual auxiliaries in pesticide.
When above-described Pesticidal combination is microemulsion, in preparation, the ratio of weight and number of each component is:
Imicyafos1～50 part
Indoxacarb 1～60 part
Emulsifying agent 5～18 parts
Antifreezing agent 1～5 part
Stabilizer 1～15 part
Conventional solvents cosolvent 20～50 parts.
The concrete production stage of this microemulsion is: former medicine imicyafos, indoxacarb cosolvent are completely dissolved, and adds other compositions such as emulsifying agent, antifreezing agent stabilizer, Homogeneous phase mixing, is eventually adding water, can be made into microemulsion after being sufficiently stirred for.
When above-described Pesticidal combination is wettable powder, in preparation, the ratio of weight and number of each component is:
Active component A1 ~ 50 part
Active component B1 ~ 60 part
Dispersant 1 ~ 15 part
Wetting agent 1 ~ 12 part
Filler 20 ~ 70 parts.
This concrete procedure of processing of Pesticidal combination wettable powder is: by above-mentioned formula by active component A and active component B and dispersant, wetting agent and filler mixing, uniform stirring in stirred tank, at mix homogeneously after jet mill, namely can be made into the wettable powder of the present composition.
When above-described Pesticidal combination is suspending agent, in preparation, the ratio of weight and number of each component is:
Active component A1 ~ 50 part
Active component B1 ~ 60 part
Dispersant 1～15 part
Antifreezing agent 1～5 part
Thickening agent 1～15 part
Defoamer 0.1～3 part
Water supplies 100 parts.
The concrete production stage of this suspending agent is for first to mix other auxiliary agents, through high speed shear mix homogeneously, add active component A and active component B, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, prepare the aqueous suspension formulations of Pesticidal combination of the present invention.
When above-described Pesticidal combination is aqueous emulsion, in preparation, the ratio of weight and number of each component is:
Active component A1 ~ 50 part
Active component B1 ~ 60 part
Emulsifying agent 3～15 parts
Solvent 5～25 parts
Stabilizer 2～10 parts
Antifreezing agent 1～4 part
Defoamer 0.1～3 part
Thickening agent 0.2～5 part
Water supplies 100 parts.
The concrete production stage of this aqueous emulsion is: first former medicine active component A and active component B, solvent and emulsifying agent, cosolvent is added together, makes to be dissolved into uniform oil phase；By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes uniformly aqueous phase；While high-speed stirred, oil phase being added aqueous phase in a kettle., slowly adding water until reaching phase inversion point, open cutter 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 prepare the aqueous emulsion of Pesticidal combination of the present invention.
When above-described Pesticidal combination is water dispersible granules, in preparation, the ratio of weight and number of each component is:
Active component A1 ~ 50 part
Active component B1 ~ 60 part
Dispersant 5 ~ 15 parts
Wetting agent 5 ~ 15 parts
Disintegrating agent 1 ~ 5 part
Filler 30 ~ 70 parts.
This concrete procedure of processing of Pesticidal combination water dispersible granules is: by above-mentioned formula by active component A, active component B and dispersant, wetting agent, disintegrating agent and filler mix homogeneously, pulverize with micro jet, through mediating, it is subsequently adding in fluidized-bed granulation dryer to carry out after pelletize, dry, screening through sample analysis, namely prepares the water dispersible granules of Pesticidal combination of the present invention.
Described emulsifying agent at least one in calcium dodecyl benzene sulfonate with aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, NPE, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, polyoxyethylene aliphatic alcohol ether.
Described solvent is at least one in dimethylbenzene or biodiesel, toluene, diesel oil, methanol, ethanol, n-butyl alcohol, isopropanol, Oleum Terebinthinae, solvent naphtha, dimethylformamide, dimethyl sulfoxide, water equal solvent.
Described dispersant at least one in polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulfate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, fatty acid glyceride polyoxyethylene ether.
Described wetting agent is selected from sodium lauryl sulphate, calcium dodecyl benzene sulfonate, at least one pulled open in powder copper rosinate X., wetting and penetrating agent F, alkylnaphthalene sulfonate, polyoxyethylene tri-styryl phosphenylic acid salt, spaonin powder, Bombyx mori L., Fructus Sapindi Mukouossi powder.
Described disintegrating agent at least one in bentonite, carbamide, ammonium sulfate, aluminum chloride, citric acid, succinic acid, sodium bicarbonate.
Described thickening agent at least one in xanthan gum, hydroxymethyl cellulose, hydroxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol.
Described stabilizer at least one in sodium citrate, resorcinol.
Described antifreezing agent at least one in ethylene glycol, propylene glycol, glycerol.
Described defoamer is selected from silicone oil, silicone compound, C10—20Saturated fat acid compounds, C8—10At least one in aliphatic alcohols compound.
Described filler at least one in Kaolin, kieselguhr, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
The Pesticidal combination of the present invention can prevent and treat nematode, etc. foot class, coleoptera class pest, Lepidoptera class pest, gastropod, orthoptera pest, plant parasitic acarid class, Thysanoptera, Diptera pest, Hymenoptera insect, hidden wing order insect, Anoplura insect, Isoptera insect, Hemipteran pest, the tide various insects such as insects, centipede insects, thousand-legger class.Especially to destroying the insect of agriculture garden crop and trees etc. in soil, destroying the insect of the seed of agriculture garden crop and trees, for instance nematode, etc. foot class, coleoptera class pest, Lepidoptera class pest, gastropod, orthoptera pest, plant parasitic acarid class, Hemipteran pest preventive effect notable.
The above nematode pests includes the pratylenchus class such as pratylenchus, pseudo-Pratylenchidae, Lu Si Pratylenchidae, disability Pratylenchidae, the Cyst nematode class such as soybean cyst nematode Heterodera glycines, globodera rostochiensis, the root-knot nematode class such as peanut root-knot nematode, Meloidogyne incognita, the Aphelenchoidea class such as aphelenchoides besseyi, leaf bud nematicide, species of Tylenchorhynchus Nematodes class, loop wire insects, needlework insects, long capsule nematode, burr nematode, nematicide on Fructus Fragariae Ananssae, Bursaphelenchus xylophilus.Additionally the insects such as aphid, leafhopper, plant hopper, chrysomelid, wireworm, cutworm, diamondback moth, cabbage butterfly, rice thrips all there is favorable effect.
The agricultural insecticide compositions of the present invention is especially to anti-eliminate aphis section, Aleyrodidae, Cicadellidae and Delphacidae insect, and the various pests such as especially various insects, pear sucker, Pieris rapae, diamondback moth, beet armyworm, apple leaf miner, leaf miner, Liriomyza, Americal rice leaf miner and vegetable trialeurodes vaporariorum has efficient effect.
The Pesticidal combination of the present invention compares similar medicament a lot of other advantage, first, by composite with novel pesticide imicyafos for indoxacarb, improve the insecticide efficiency of indoxacarb, delay the insect resistance to novel pesticide imicyafos, compare respective single dose sphere of action wider, improve disinsection efficiency；Second, delay the generation of pest resistance to insecticide, decreased pesticide Reusability number of times, reduce Pesticide use amount, reduce agricultural cost；3rd, the residual quantity of this Pesticidal combination is lower, and environment is more friendly, and the safe edible of agricultural products is significant.
Detailed description of the invention:
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, present invention specific examples below illustrates, but the present invention is only limitted to absolutely not these examples.The present invention adopts the method that indoor bioassay and field test combine, and if no special instructions, ratio (including percentage ratio) mentioned below is all ratio of weight and number.
Embodiment 1: by imicyafos6 part, indoxacarb 20 parts, lignosulfonates 9 parts, sodium lauryl sulphate 9 parts and the mixing of 56 parts of kieselguhr, uniform stirring in stirred tank, at mix homogeneously after jet mill, namely prepare the wettable powder of Pesticidal combination of the present invention.
Embodiment 2: by imicyafos12 part, indoxacarb 12 parts, alkylphenol polyoxyethylene 8 parts, oxygen ethylene triphenylethylene phosphenylic acid salt 8 parts and bentonite 60 parts mixing, uniform stirring in stirred tank, at mix homogeneously after jet mill, namely prepare the wettable powder of Pesticidal combination of the present invention.
Embodiment 3: by imicyafos18 part, indoxacarb 8 parts, dispersant 7 parts, wetting agent 10 parts and filler 57 parts mixing, uniform stirring in stirred tank, at mix homogeneously after jet mill, namely prepare the wettable powder of Pesticidal combination of the present invention.
Embodiment 4: by alkylphenol polyoxyethylene 10 parts, glycerol 2 parts, hydroxymethyl cellulose 5 parts, silicone oil 2 parts, the mixing of 56 parts of water, through high speed shear mix homogeneously, it is sequentially added into imicyafos17 part, indoxacarb 8 parts, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, prepare the aqueous suspension formulations of Pesticidal combination of the present invention.
Embodiment 5: by dispersant 10 parts, antifreezing agent 2 parts, thickening agent 5 parts, defoamer 1 part, the mixing of 60 parts of water, through high speed shear mix homogeneously, it is sequentially added into imicyafos10 part, indoxacarb 12 parts, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, prepare the aqueous suspension formulations of Pesticidal combination of the present invention.
Embodiment 6: by dispersant 13 parts, antifreezing agent 1 part, thickening agent 4 parts, defoamer 2 parts, the mixing of 50 parts of water, through high speed shear mix homogeneously, it is sequentially added into imicyafos5 part, indoxacarb 25 parts, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, prepare the aqueous suspension formulations of Pesticidal combination of the present invention.
Embodiment 7: imicyafos25 part, indoxacarb 5 parts, Oleum Terebinthinae 9 parts, castor oil polyoxyethylene ether 8 parts, resorcinol 8 parts are mixed, is dissolved into uniform oil phase；Part water, propylene glycol 2 parts, silicone compound 1 part are mixed uniformly aqueous phase；While high-speed stirred, oil phase is added aqueous phase in a kettle., adding polyvinyl alcohol 3 parts, slowly adding water until reaching phase inversion point, open cutter and carry out high speed shear, and add remaining water and supply 100 parts, shear about half an hour, form the aqueous emulsion of oil-in-water type.Namely the aqueous emulsion of Pesticidal combination of the present invention is prepared.
Embodiment 8: imicyafos10 part, indoxacarb 15 parts, solvent 20 parts, emulsifying agent 8 parts, stabilizer 8 parts are mixed, is dissolved into uniform oil phase；Part water, antifreezing agent 1 part, defoamer 2 parts are mixed uniformly aqueous phase；While high-speed stirred, oil phase is added aqueous phase in a kettle., adding thickening agent 4 parts, slowly adding water until reaching phase inversion point, open cutter and carry out high speed shear, and add remaining water and supply 100 parts, shear about half an hour, form the aqueous emulsion of oil-in-water type.Namely the aqueous emulsion of Pesticidal combination of the present invention is prepared.
Embodiment 9: imicyafos8 part, indoxacarb 22 parts, solvent 18 parts, emulsifying agent 9 parts, stabilizer 10 parts are mixed, is dissolved into uniform oil phase；Part water, antifreezing agent 2 parts, defoamer 2 parts are mixed uniformly aqueous phase；While high-speed stirred, oil phase is added aqueous phase in a kettle., adding thickening agent 3 parts, slowly adding water until reaching phase inversion point, open cutter and carry out high speed shear, and add remaining water and supply 100 parts, shear about half an hour, form the aqueous emulsion of oil-in-water type.Namely the aqueous emulsion of Pesticidal combination of the present invention is prepared.
Embodiment 10: by imicyafos25 part, indoxacarb 5 parts, aliphatic amine polyoxyethylene ether 10 parts, alkylnaphthalene sulfonate 10 parts, 4 parts of aluminum chloride and 46 parts of mix homogeneously of bentonite, pulverize with micro jet, through mediating, it is subsequently adding in fluidized-bed granulation dryer to carry out after pelletize, dry, screening through sample analysis, namely prepares the water dispersible granules of Pesticidal combination of the present invention.
Embodiment 11: by imicyafos10 part, indoxacarb 8 parts, dispersant 8 parts, wetting agent 12 parts, disintegrating agent 4 parts and 58 parts of mix homogeneously of filler, pulverize with micro jet, through mediating, it is subsequently adding in fluidized-bed granulation dryer to carry out after pelletize, dry, screening through sample analysis, namely prepares the water dispersible granules of Pesticidal combination of the present invention.
Embodiment 12: by imicyafos8 part, indoxacarb 22 parts, dispersant 11 parts, wetting agent 14 parts, disintegrating agent 4 parts and 41 parts of mix homogeneously of filler, pulverize with micro jet, through mediating, it is subsequently adding in fluidized-bed granulation dryer to carry out after pelletize, dry, screening through sample analysis, namely prepares the water dispersible granules of Pesticidal combination of the present invention.
Embodiment 13: former medicine imicyafos19 part, indoxacarb 8 parts are completely dissolved with cosolvent, add other compositions such as aliphatic acid polyethenoxy base ester 12 parts, ethylene glycol 2 parts, sodium citrate 4 parts, resorcinol 4 parts, Homogeneous phase mixing, is eventually adding water, can be made into microemulsion after being sufficiently stirred for.
Embodiment 14: former medicine imicyafos12 part, indoxacarb 10 parts are completely dissolved with cosolvent, adds other compositions such as emulsifying agent 8 parts, antifreezing agent 2 parts, stabilizer 9 parts, Homogeneous phase mixing, is eventually adding water, can be made into microemulsion after being sufficiently stirred for.
Embodiment 15: former medicine imicyafos6 part, indoxacarb 20 parts are completely dissolved with cosolvent, adds other compositions such as emulsifying agent 9 parts, antifreezing agent 2 parts, stabilizer 8 parts, Homogeneous phase mixing, is eventually adding water, can be made into microemulsion after being sufficiently stirred for.
Indoor biometrics screening and field experiment:
The present invention adopts the method that indoor bioassay and field test combine.If no special instructions, ratio (including percentage ratio) mentioned below is all mass ratio.
Determination of activity example:
(1) reagent agent
The former medicine of 95%imicyafos, the 96% former medicine of indoxacarb.
(2) for examination worm source
The indoor diamondback moth larvae for many generations raised, indoor conditions:Temperature (26 ± 2)oC, relative humidity 68% ± 5%, periodicity of illumination 16/8h (L/D).
(3) single dose assay method
Dip method is adopted respectively two groups of former medicines all to be used a small amount of acetone solution, then with 0.The Tween solution of 1% is diluted to into 5 dense solution of equal difference, is diluted in beaker with standby, and using clear water as comparison.
By diamondback moth larvae of the same size dipping 5S in the medicinal liquid of leaching worm cage, it is placed on after sucking unnecessary medicinal liquid in the culture dish that diameter is 9cm, ware is placed with fresh vegetable leaf and adds a cover.Every concentration processes 10, repeats 4 times, if blank.In (27 ± 1)oChecking mortality rate after keeping 24h in C illumination box, it is dead for touching polypide nonresponder by pulling needle.Mortality rate Abbott formula correction, analyzes (Bliss) method further according to log concentration mortality rate probit value, obtains virulence regression equation and puts dead middle amount LC50Value.
(4) the joint toxicity measuring method of different ratio
Toxicity test result according to single dose, by effective ingredient 24% ratio of weight and number imicyafos:Indoxacarb respectively 5:19、8:16、11:13、14:10、17:7。
Adopt above-mentioned 1.3 methods carry out toxicity test, calculate LC50, and press abundant method calculating co-toxicity coefficient (CTC) of Sun Yun, co-toxicity coefficient CTC, computing formula is as follows: (with imicyafos for standard agent, its toxicity index is 100):
The LC of toxicity index (the TI)=imicyafos of indoxacarb50The LC of/indoxacarb50×100
The LC of actual toxicity index (the ATI)=imicyafos of M50The LC of/M50×100
TI × P indoxacarb of TI × Pimicyafos+ indoxacarb of theoretical toxicity index (the TTI)=imicyafos of M
TTI × 100 of the ATI/M of co-toxicity coefficient (the CTC)=M of M
In formula:
M is the mixture of indoxacarb and imicyafos different ratio
P indoxacarb is the ratio that indoxacarb is shared in mixture
Pimicyafos is the ratio that imicyafos is shared in mixture.
(5) toxicity test result and analysis
Table 1imicyafos, the indoxacarb indoor measurement result to diamondback moth
From table 1 it follows that in the mixture of different proportion, its co-toxicity coefficient is all higher than 120, show certain potentiation.Result of the test shows, diamondback moth is all had higher activity by indoxacarb, two kinds of medicaments of imicyafos in room conditions, and the result of the test of different proportion proportioning shows, by effective ingredient imicyafos: indoxacarb is 5:19、8:16、11:13、14:10、17:When 7, all show stronger potentiation.Mixture preparation about suitable proportion scope is carried out further field control effectiveness test by suggestion, to evaluate its field practical application effect.
Field experiment: field experiment preventing and treating Caulis et Folium Brassicae capitatae pest and disease damage
(1) test method
Test and carried out at Kaiping City of Guangdong Province suburb truck garden to October 21 on October 11st, 2012.Test and undertaken by each process design concentration conventional to water spray on October 11st, 2012.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 conventional spraying, makes every effort to uniformly thoughtful during spray medicine.During dispenser, field beet armyworm is 1～2 instar larvae peak period, every 667m2It is 70kg to the water yield.
During test, weather is good, and daily mean temperature is 18.5～27.9 DEG C, dispenser fine day on the same day.
(2) investigation method
Diagonal 5 sampling is pressed, every some Caulis et Folium Brassicae capitatae 2～3 strain (depending on insect density) choosing Beet Armyworm Eggs and larva in dispenser Qian Mei community.Beet exigua larvae head number in probability demarcation strain, in this, as insect population radix before dispenser.After dispenser the 3rd, 7,10d investigate the beet exigua larvae number determining to remain in strain survival respectively, to correct Revision insect recluced rate as prevention effect.
(3) drug effect computational methods.
Revision insect recluced rate (%)=×100；
Rectifying efficacies (%)=×100；
(4) poisoning investigation method
Observe each process community Caulis et Folium Brassicae capitatae well-grown during test, all find no poisoning phenomenon and occur.
(5) field control effectiveness test result of the test
Table 2 treatment agent preventing and treating Laphygma exigua Hubner field control effectiveness test result
As can be seen from Table 2, the effect that 24%imicyafos indoxacarb combines preventing and treating Laphygma exigua Hubner by the weight portion mixture of 14: 10 is substantially better than 25% indoxacarb SC, 20%imicyafosSC comparison single dose, 24%imicyafos indoxacarb is the insecticidal effect of 7 days respectively 92.36%, 94.4% and 94.47% after medicine, and insecticidal effect is incremented by along with the increase of consumption.Additionally within the scope of test dose, plant growth is normal, and the poisoning phenomenon to Caulis et Folium Brassicae capitatae does not all occur in each treatment agent, illustrates that Caulis et Folium Brassicae capitatae is safe by it.
Claims (4)
1. the Pesticidal combination containing indoxacarb, it is characterized in that: this Pesticidal combination is with A novel agrochemical Imicyafos and B indoxacarb for the two yuan composite composite preparation of effective ingredient, all the other components are usual auxiliaries in pesticide, and the structural formula of A novel agrochemical Imicyafos is:
, in this Pesticidal combination, effective constituents A is 5～17: 19～7 with the ratio of weight and number of B.
2. a kind of Pesticidal combination containing indoxacarb according to claim 1, it is characterised in that: in this Pesticidal combination, effective constituents A and B gross weight account for the portion rate of gross weight in preparation is 1%～80%.
3. a kind of Pesticidal combination containing indoxacarb according to claim 1, it is characterised in that: in this Pesticidal combination, effective constituents A and B gross weight account for the portion rate of gross weight in preparation and are preferably 5%～40%.
4. a kind of Pesticidal combination containing indoxacarb according to claim 1, it is characterised in that: the preparation formulation that Pesticidal combination of the present invention can be configured to is wettable powder, suspending agent, microemulsion, aqueous emulsion and water dispersible granules.
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| 新型烟碱类杀虫剂imicyafos的合成;田志高 等;《农药》;20131031;第52卷(第10期);第726-727,733页 * |
| 新型高效杀虫剂茚虫威;刘长令;《茚虫威》;20031231;第42卷(第2期);第42-44页 * |
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