CN103210954B - Insecticide composition, insecticide and application of insecticide - Google Patents
Insecticide composition, insecticide and application of insecticide Download PDFInfo
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Abstract
The invention relates to an insecticide composition. The composition contains active ingredients and is characterized in that the active ingredients contain indoxacarb and an organophosphorus insecticide, wherein the organophosphorus insecticide is selected from at least one of acephate, fenitrothion and malathion, and the weight ratio of indoxacarb to the organophosphorus insecticide is 1: (0.01-90). The invention further relates to an insecticide prepared from the insecticide composition and application of the insecticide in the prevention and control of one or more plant pests. Compared with single-ingredient indoxacarb or organophosphorus insecticide, the insecticide composition and the insecticide, disclosed by the invention, have a synergized action, and the prevention and control effect can be improved; the insecticide duration is long; due to non-single active ingredients, the insecticide resistance is difficult to produce; and multiple different species of pests occurring in a mixed manner can be prevented and controlled, so that the dosage can be reduced, the cost is saved, and the pollution to the environment is reduced.
Description
Technical field
The present invention relates to a kind of insecticides and insecticide and application thereof, particularly, relate to a kind of insecticides containing indoxacarb and organophosphorus insecticides, and the application in plant insect prevented and treated by insecticide prepared by this insecticides and this insecticide.
Background technology
The problem that the mixing of dissimilar insect occurs usually is there is in agricultural production practice, rice leaf roller, rice fulgorid, striped rice borer, snout moth's larva, thrips, rice thrips, rice water weevil, diamond-back moth, beet armyworm, prodenia litura, aphid and cotton bollworm are the insects often existing simultaneously or in succession exist, such as, on the crops such as paddy rice, cotton, brassicaceous vegetable, fruit tree.
Above-mentioned common insect pests is often needed to adopt different insecticides to prevent and treat respectively, such as, rice leaf roller generally adopts chlopyrifos to prevent and treat, rice fulgorid generally adopts Buprofezin to prevent and treat, striped rice borer generally adopts Hostathion to prevent and treat, snout moth's larva generally adopts Cupric sulfate to prevent and treat, thrips generally adopts carbosulfan to prevent and treat, rice thrips generally adopts malathion to prevent and treat, rice water weevil generally adopts Hostathion to prevent and treat, diamond-back moth generally adopts bacillus thuringiensis,Bt to prevent and treat, beet armyworm generally adopts methylamino A Wei rhzomorph benzoate to prevent and treat, prodenia litura generally adopts chlopyrifos to prevent and treat, aphid generally adopts Acetamiprid to prevent and treat, cotton bollworm generally adopts beta-cypermethrin to prevent and treat.
Current control of insect not only control efficiency is poor, and for different insect, also to use different insecticides, the human and material resources of at substantial and financial resources cost, also can cause the pollution of environment, and use the insecticide of single-activity composition easily to develop immunity to drugs continuously.
Summary of the invention
The object of the invention is the above-mentioned defect overcoming prior art, provide that a kind of control efficiency is good, the lasting period is long, not easily develop immunity to drugs and the insecticides of the multiple variety classes insect that mixing occurs and insecticide and application thereof can be prevented and treated.
The present inventor surprisingly finds under study for action, when the active component of insecticides contains indoxacarb and organophosphorus insecticides, organophosphorus insecticides is selected from orthene, at least one in sumithion and malathion, when the weight ratio of indoxacarb and organophosphorus insecticides is 1:0.01-90, particularly when organophosphorus insecticides is orthene, when the weight ratio of indoxacarb and orthene is 1:0.1-50, or when organophosphorus insecticides is sumithion, when the weight ratio of indoxacarb and sumithion is 1:0.1-50, or when organophosphorus insecticides is malathion, when the weight ratio of indoxacarb and malathion is 1:0.1-10, insecticides is relative to oligomict indoxacarb or organophosphorus insecticides, there is synergistic effect, control efficiency is good, lasting period is long, insecticides contains non-single-activity composition, not easily develops immunity to drugs, multiple different types of insect that mixing occurs can be prevented and treated.
Therefore, to achieve these goals, on the one hand, the invention provides a kind of insecticides, described composition contains active component, it is characterized in that, described active component contains indoxacarb and organophosphorus insecticides, organophosphorus insecticides is selected from least one in orthene, sumithion and malathion, and the weight ratio of indoxacarb and organophosphorus insecticides is 1:0.01-90.
Preferably, described organophosphorus insecticides is orthene, and the weight ratio of indoxacarb and orthene is 1:0.1-50.
Preferably, described organophosphorus insecticides is sumithion, and the weight ratio of indoxacarb and sumithion is 1:0.1-50.
Preferably, described organophosphorus insecticides is malathion, and the weight ratio of indoxacarb and malathion is 1:0.1-10.
On the other hand, the invention provides the insecticide prepared by insecticides as above, wherein, the formulation of described insecticide is aqueous emulsion, missible oil, wetting powder, suspension emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent or microemulsion.
The third aspect, the invention provides the application in insecticide as above one or more plant insects in control rice leaf roller, rice fulgorid, striped rice borer, snout moth's larva, thrips, rice thrips, rice water weevil, diamond-back moth, beet armyworm, prodenia litura, aphid and cotton bollworm.
Insecticides of the present invention and insecticide, relative to oligomict indoxacarb or organophosphorus insecticides, have synergistic effect, can improve control efficiency; Lasting period is long; Containing non-single-activity composition, not easily develop immunity to drugs; Multiple different types of insect that mixing occurs can be prevented and treated, thus can dosage be reduced, cost-saving, alleviate the pollution to environment.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
On the one hand, the invention provides a kind of insecticides, said composition contains active component, active component contains indoxacarb and organophosphorus insecticides, organophosphorus insecticides is selected from least one in orthene, sumithion and malathion, and the weight ratio of indoxacarb and organophosphorus insecticides is 1:0.01-90.
In the present invention, the chemical name of indoxacarb is chloro-2,3,4a, the 5-tetrahydrochysene-2-of 7-[methoxycarbonyl (4-Trifluoromethoxyphen-l) carbamoyl] indeno [1,2-e] [1,3,4-] oxadiazines-4a-carboxylate methyl ester.
In the present invention, the chemical name of orthene is O, S-dimethylacetamide base thioate.
In the present invention, the chemical name of sumithion is O, O-dimethyl-O-(3-methyl-4-nitrobenzene) thiophosphate.
In the present invention, the chemical name of malathion is O, O-dimethyl-S-(1,2-bis-carbonyl ethoxyethyl group) phosphorodithioate.
In the present invention, any one in indoxacarb and orthene, sumithion and malathion is composite has synergistic effect, and those skilled in the art should be able to reason out that indoxacarb and at least one in orthene, sumithion and malathion are composite has synergistic effect equally.
According to the present invention, although the active component of insecticides contains indoxacarb and organophosphorus insecticides, organophosphorus insecticides is selected from least one in orthene, sumithion and malathion, the weight ratio of indoxacarb and organophosphorus insecticides is 1:0.01-90, object of the present invention can be realized, namely insecticides has synergistic effect, and control efficiency is good; Lasting period is long; Not easily develop immunity to drugs; Multiple different types of insect that mixing occurs can be prevented and treated.But under preferable case, organophosphorus insecticides is orthene, the weight ratio of indoxacarb and orthene is 1:0.1-50; Or organophosphorus insecticides is sumithion, the weight ratio of indoxacarb and sumithion is 1:0.1-50; Or organophosphorus insecticides is malathion, the weight ratio of indoxacarb and malathion is 1:0.1-10, and the synergistic effect of insecticides is more remarkable, can further improve control efficiency.
In the present invention, for the total content of active component in insecticides without particular/special requirement, conventional consumption can be selected according to the different dosage form of insecticides preparation, this is conventionally known to one of skill in the art, such as, based on the gross weight of insecticides, the content of active component is 1-95 % by weight.
In the present invention, for other composition in addition to the active ingredient (s in insecticides without particular/special requirement, the composition that this area is conventional can be matched as required, such as, dispersant, wetting agent, antifreezing agent, stabilizing agent, thickener, emulsifier, defoamer, solvent, adsorbent, disintegrant, binding agent, wall material, solid inert carrier, acid adjustment medium, alkali tune medium.Therefore, insecticides of the present invention is also containing one or more in dispersant, wetting agent, antifreezing agent, stabilizing agent, thickener, emulsifier, defoamer, solvent, adsorbent, disintegrant, binding agent, wall material, solid inert carrier, acid adjustment medium and alkali tune medium.These compositions can according to the consumption of the dosage form selection routine of insecticides preparation, and this is conventionally known to one of skill in the art, does not repeat them here.
In the present invention, for mentioned component all without particular/special requirement, the material that this area is conventional can be adopted, such as:
Solvent is selected from various aromatic hydrocarbons, aliphatic hydrocarbon, oxolane, ketone, ethers etc., as one or more in benzene, dimethylbenzene, acetone, cyclohexanone, dimethyl formamide, methyl alcohol, ethanol, naphthalane, machine oil and benzinum etc.
Emulsifier is selected from agriculture breast 500# (calcium dodecyl benzene sulfonate), OP series phosphate (thermally coupled distillation columns), 600# phosphate (triphenyl vinyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400#(benzyl dimethyl phenol polyoxyethyl ether), agriculture breast 600# (phenyl phenol APEO), Nongru-700 # (alkylphenol-formaldehyde resin polyoxyethyl ether), agriculture breast 36# (phenethyl fluosite polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), By series (castor oil polyoxyethylene ether), agriculture breast 33# (alkylaryl polyoxyethylene polyoxypropylene ether), agriculture breast 34# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitan monostearate), one or more in TWEEN Series (sorbitan fatty acid ester APEO) and EO series (fatty alcohol-polyoxyethylene ether).
Dispersant is selected from alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, aryl phenol polyoxyethylene succinate sulfonate, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, lignin sulfonic acid sodium salt, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, one or more in polyoxyethylene carboxylate and ester APEO.
Wetting agent is selected from that lauryl sodium sulfate, neopelex, Nekal BX, washing powder, agriculture breast 2000# series, sldium lauryl sulfate, wetting and penetrating agent F, wetting agent T, spaonin powder, tea are withered, one or more in silkworm excrement and soapberry powder.
Disintegrant be selected from bentonite, urea, ammonium sulfate, aluminium chloride and glucose one or more.
Thickener is selected from (as carbonyl methylol, polyvinyl alcohol, polyvinyl acetate) or the natural water-soluble polymer (as xanthans, gelatin, gum Arabic, polyvinylpyrrolidone, aluminium-magnesium silicate, polyvinyl alcohol, polyethylene glycol, phenolic resins, shellac, carboxymethyl cellulose and sodium alginate etc.) of synthesis, adds in preparation with powder, particle or latex form.
Antifreezing agent be selected from ethylene glycol, propane diols, glycerine and polyethylene glycol one or more.
Defoamer is selected from silicone, C
8-10aliphatic alcohols, C
10-20one or more in saturated fat acids (as capric acid) and acid amides, silicone oil and silicone compound.
Wall material be selected from polyureas, polyurethane, the polyureas/polyamide of melmac and mixing, gelatin/gum Arabic, polyamide, urea/formaldehyde, nylon (Nylon), polyethylene/paraffin one or more.
Solid inert carrier be selected from clay that is natural or synthesis and silicate one or more, the solid carrier being applicable to pulvis comprises the mineral matter (as the silicic acid for disperseing or aluminium oxide) ground of the rock dust of natural formation, chalk, quartz, clay, imvite, silica, diatomite, float stone, gypsum, talcum, bentonite, kaolin, potter's clay and synthesis.The solid carrier being applicable to particle comprises the broken synthesis particle made with the powder of natural rock such as calcite, marble, float stone, sepiolite and dolomite and organic matter and the inorganic matter of classification.
Acid adjustment medium be selected from ammonium chloride, hydrochloric acid, citric acid, ammonium sulfate, ammonium nitrate, acetic acid one or more.
Alkali tune medium be selected from sodium hydroxide, triethanolamine, triethylamine, ammoniacal liquor, caustic alcohol one or more.
Adsorbent be selected from white carbon, bentonite, diatomite one or more.
The material that stabilizing agent, binding agent etc. also all adopt this area conventional, this is conventionally known to one of skill in the art, does not repeat them here.
On the other hand, present invention also offers the insecticide prepared by insecticides as above, the formulation of insecticide is aqueous emulsion, missible oil, wetting powder, suspension emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent or microemulsion.
In above-mentioned each formulation, the content of other composition in addition to the active ingredient (s and content and active component is without particular/special requirement, can adopt the proportioning of this area routine, such as:
Aqueous emulsion is generally containing 1-90 % by weight active component, 10-50 % by weight solvent, 3-20 % by weight emulsifier, 2-6 % by weight antifreezing agent, 0.1-1 % by weight defoamer, and water supplies surplus.For the preparation method of aqueous emulsion without particular/special requirement, the method that this area is conventional can be adopted, such as: first former for indoxacarb medicinal solvent is dissolved by proportioning of the present invention, add the former medicine of organic phosphates again, emulsifier is added after stirring, after high-shear emulsifying agent is sheared, obtain oil phase, be transferred in stirred tank, for subsequent use; By formula, antifreezing agent, defoamer, water are uniformly mixed to obtain aqueous phase.Under agitation, slowly aqueous phase is added drop-wise in oil phase, after aqueous phase drips, continues to keep stirring 30min, obtain aqueous emulsion of the present invention.
Missible oil is generally containing 1-90 % by weight active component, 3-20 % by weight emulsifier, and surplus supplied by solvent.For the preparation method of missible oil without particular/special requirement, the method that this area is conventional can be adopted, such as: by above-mentioned recipe requirements, after active ingredient being dissolved with solvent, add emulsifier, after stirring, namely obtain missible oil of the present invention.
Wetting powder is generally containing 1-90 % by weight active component, 3-10 % by weight dispersant, and 2-10 % by weight wetting agent, 5-30 % by weight adsorbent, solid inert carrier supply surplus.For the preparation method of wetting powder without particular/special requirement, the method that this area is conventional can be adopted, such as: by above-mentioned formula by active component, dispersant, wetting agent, adsorbent, filler through ball mill ball milling, mixer mixes, then pulverizes through airslide disintegrating mill and obtain wetting powder of the present invention.
Suspension emulsion is generally containing 1-90 % by weight active component, 3-15 % by weight emulsifier, 2-10 % by weight dispersant, wetting agent 0.1-2%, 0.1-2 % by weight thickener, 0.1-8 % by weight antifreezing agent, 0.05-3 % by weight stabilizing agent, 0.2-1 % by weight defoamer, and water supplies surplus.For the preparation method of suspension emulsion without particular/special requirement, the method that this area is conventional can be adopted, such as: dispersant, defoamer, thickener, antifreezing agent, stabilizing agent in above-mentioned formula are mixed through high speed shear, indoxacarb is added by proportioning of the present invention, sand milling 1.5-3 hour in sand mill, make diameter of particle all at below 5um, obtained indoxacarb suspending agent, then by organic phosphates, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion of the present invention.
Water dispersible granules is generally containing 1-90 % by weight active component, 2-10 % by weight dispersant, 1-5 % by weight wetting agent, 1-10 % by weight disintegrant, 2-8 % by weight binding agent, and solid inert carrier supplies surplus.For the preparation method of water dispersible granules without particular/special requirement, the method that this area is conventional can be adopted, such as: according to recipe requirements, active component, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, add other auxiliary agents such as binding agent, obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, obtaining water-dispersible granules of the present invention.
Microcapsule suspension-suspendinagent agent is generally containing 1-90 % by weight active component, 5-20 % by weight wall material, 0.1-5 % by weight acid adjustment medium, 0.1-5 % by weight alkali tune medium, 1-8 % by weight emulsifier, 3-10 % by weight dispersant, 2-5 % by weight wetting agent, 0.1-8 % by weight antifreezing agent, 0.2-2 % by weight thickener, 0.1-3 % by weight stabilizing agent, 0.1-1 % by weight defoamer, and water supplies surplus.For the preparation method of microcapsule suspension-suspendinagent agent without particular/special requirement, the method that this area is conventional can be adopted, such as: according to recipe requirements first by dispersant, wetting agent, antifreezing agent, thickener, defoamer emulsification pretreatment evenly, then the indoxacarb adding proportioning of the present invention becomes suspending agent through sand mill sand milling; Again organophosphorus insecticides, wall material, acid adjustment medium, alkali tune medium, emulsifier, stabilizing agent are processed into microcapsule formulations, finally suspending agent and microcapsule formulations are stirred into microcapsule suspension-suspendinagent agent under high velocity agitation.
Microemulsion also adopts composition well known in the art, content and preparation method, does not repeat them here.
It will be understood by those skilled in the art that and insecticides of the present invention can also be prepared into other multiple formulations according to this area conventional method as required.
In addition, moisture dispersion liquid and emulsion (composition that wetting powder as of the present invention in dilute with water or missible oil obtain) are also within the scope of the invention.Above-mentioned emulsion can be water-in-oil type or oil-in-water type, can have dense thick paste-like consistency.
Insecticides of the present invention can provide with final product form, and namely in composition, each composition mixes; Also can provide with the form of independent preparation by often kind of composition, directly carry out bucket during use and mix.
It will be understood by those skilled in the art that the various formulations in the present invention can dilute use according to actual needs when reality uses.
The third aspect, the invention provides the application in insecticide as above one or more plant insects in control rice leaf roller, rice fulgorid, striped rice borer, snout moth's larva, thrips, rice thrips, rice water weevil, diamond-back moth, beet armyworm, prodenia litura, aphid and cotton bollworm.
To be further described in detail the present invention by specific embodiment below.
Embodiment
(1) synergistic effect biological detection
Adopting Sun Yunpei (Sun Y-P) method, by calculating co-toxicity coefficient (co-toxicity coefficient, CTC), evaluating the mixed effect of two kinds of active components in insecticides of the present invention, specific as follows:
Evaluation criterion: when CTC >=120, shows as synergistic effect; When CTC≤80, show as antagonism; 80 < CTC < 120, show as summation action.
Computing formula:
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of the actual toxicity index of mixture (ATI)/mixture] × 100
The actual toxicity index of mixture (ATI)=(LC of standard agent
50the LC of/mixture
50) × 100
The content of B in the TI × mixture active ingredient of the content+B agent of A in the TI × mixture active ingredient of theoretical toxicity index (the TTI)=A agent of mixture
Toxicity index (TI)=(LC of standard agent
50the LC of/reagent agent
50) × 100(using the one in A agent, B agent as standard agent)
A agent, B agent are respectively two kinds of active components mixed mutually, and mixture is the mixture after A agent mixes mutually with B agent.In following test example, all using A agent as standard agent, by A agent and B agent respectively with the weight of respective active ingredient for benchmark, be mixed with following mixture: mixture 1(A:B=90:1); Mixture 2(A:B=70:1); Mixture 3(A:B=50:1); Mixture 4(A:B=30:1); Mixture 5(A:B=10:1); Mixture 6(A:B=1:1); Mixture 7(A:B=1:10); Mixture 8(A:B=1:30); Mixture 9(A:B=1:50); Mixture 10(A:B=1:70); Mixture 11(A:B=1:90).
Test example 1.1
In this test example, A agent is the former medicine of indoxacarb (95 % by weight), and B agent is the former medicine of orthene (97 % by weight).
Test target: rice fulgorid, pick up from experimental field, Lan Tian village, Huang Xing town, Changsha County, after indoor feeding a period of time, picking individual size basically identical 3 age nymph be for experiment; Striped rice borer, picks up from experimental field, Lan Tian village, Huang Xing town, Changsha County, after indoor feeding a period of time, picking individual size basically identical 2 age nymph be for experiment.Above-mentioned two kinds of insects are tested respectively as follows.
Experimental condition: temperature (25 ± 1) DEG C, humidity: 60%-80%, illumination: L:D=(16:8) h.
Test method: with reference to " People's Republic of China (PRC) agricultural industry criteria N Y/T1154.14-2008 ", adopts leaf dipping method.
Medicament is prepared: accurately take as above 11 kinds of mixtures respectively, often kind of mixture is all configured to mother liquor with acetone, and mother liquor is diluted with the Tween-80 of 0.1 % by weight the serial medicament becoming tool finite concentration gradient.
Chemicals treatment: rice field gathers the fresh paddy rice tender leaf of non-medication, cleans with clear water, dries.Immerse in above-mentioned variable concentrations medicament according to the concentration paddy rice tender leaf that cleaning is dried by order from low to high and soak 15s, put into clean vial after naturally drying, access examination worm, often repeats to connect worm 30.The solvent aqueous solution of medicament is not contained for blank, each process repetition 4 times with leaching.Check dead borer population after process 72h, record total borer population and dead borer population respectively.The method of probability value analysis is adopted to process data.Statistical data DPS software processes, and obtains the LC of often kind of mixture toxicity regression line
50, and calculate co-toxicity coefficient by the abundant method of Sun Yun.The result of calculation of rice fulgorid is in table 1, and the result of calculation of striped rice borer is in table 2.
Table 1
| Reagent agent | EC50（mg/L） | ATI | TTI | Co-toxicity coefficient (CTC) |
| Indoxacarb (A) | 10.02 | 100.0 | -- | -- |
| Orthene (B) | 4.82 | 207.9 | -- | -- |
| Mixture 1(A:B=90:1) | 7.73 | 129.6 | 101.0 | 128.3 |
| Mixture 2(A:B=70:1) | 6.55 | 152.9 | 101.5 | 150.6 |
| Mixture 3(A:B=50:1) | 5.35 | 187.4 | 102.1 | 183.5 |
| Mixture 4(A:B=30:1) | 4.80 | 208.7 | 103.5 | 201.7 |
| Mixture 5(A:B=10:1) | 4.09 | 245.1 | 109.8 | 223.2 |
| Mixture 6(A:B=1:1) | 2.59 | 386.7 | 154.0 | 251.2 |
| Mixture 7(A:B=1:10) | 1.90 | 526.5 | 198.1 | 265.8 |
| Mixture 8(A:B=1:30) | 2.11 | 474.9 | 204.4 | 254.7 |
| Mixture 9(A:B=1:50) | 1.91 | 524.1 | 205.8 | 232.3 |
| Mixture 10(A:B=1:70) | 2.59 | 387.0 | 206.4 | 187.5 |
| Mixture 11(A:B=1:90) | 3.02 | 331.4 | 206.7 | 160.3 |
Table 2
| Reagent agent | EC50（mg/L） | ATI | TTI | Co-toxicity coefficient (CTC) |
| Indoxacarb (A) | 5.28 | 100 | -- | -- |
| Orthene (B) | 2.45 | 215.5 | -- | -- |
| Mixture 1(A:B=90:1) | 4.22 | 125.1 | 101.3 | 123.5 |
| Mixture 2(A:B=70:1) | 4.05 | 130.3 | 101.6 | 128.2 |
| Mixture 3(A:B=50:1) | 3.60 | 146.9 | 102.3 | 143.6 |
| Mixture 4(A:B=30:1) | 3.27 | 161.7 | 103.7 | 155.9 |
| Mixture 5(A:B=10:1) | 2.55 | 207.0 | 110.5 | 187.3 |
| Mixture 6(A:B=1:1) | 1.69 | 312.0 | 157.8 | 197.8 |
| Mixture 7(A:B=1:10) | 1.09 | 483.6 | 205.0 | 235.9 |
| Mixture 8(A:B=1:30) | 1.13 | 468.9 | 211.8 | 221.4 |
| Mixture 9(A:B=1:50) | 1.32 | 399.8 | 213.2 | 187.5 |
| Mixture 10(A:B=1:70) | 1.51 | 349.9 | 213.9 | 163.6 |
| Mixture 11(A:B=1:90) | 1.73 | 304.9 | 214.2 | 142.3 |
As can be seen from table 1 and table 2, indoxacarb and orthene composite, when the weight ratio of indoxacarb and orthene is 1:0.01-90, co-toxicity coefficient is all greater than 120, all shows synergistic effect, especially when the weight ratio of indoxacarb and orthene is 1:0.1-50, synergistic effect is more remarkable, wherein, when the weight ratio of indoxacarb and orthene is 1:10, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Test example 1.2
In this test example, A agent is the former medicine of indoxacarb (95 % by weight), and B agent is the former medicine of sumithion (95 % by weight).
Test target: rice leaf roller, pick up from Jurong City of Jiangsu Province rice seedling bed, after indoor feeding a period of time, picking individual size basically identical 3 age nymph be for experiment; Snout moth's larva, picks up from Jurong City of Jiangsu Province rice seedling bed, after indoor feeding a period of time, picking individual size basically identical 3 age nymph be for experiment.Above-mentioned two kinds of insects are tested respectively as follows.
Experimental condition: temperature (25 ± 1) DEG C, humidity: 60%-80%, illumination: L:D=(16:8) h.
Test method: with reference to " People's Republic of China (PRC) agricultural industry criteria N Y/T1154.14-2008 ", adopts leaf dipping method.
Medicament is prepared: accurately take as above 11 kinds of mixtures respectively, often kind of mixture is all configured to mother liquor with acetone, and mother liquor is diluted with the Tween-80 of 0.1 % by weight the serial medicament becoming tool finite concentration gradient.
Chemicals treatment: rice field gathers the fresh paddy rice tender leaf of non-medication, cleans with clear water, dries.Immerse in above-mentioned variable concentrations medicament according to the concentration paddy rice tender leaf that cleaning is dried by order from low to high and soak 15s, put into clean vial after naturally drying, access examination worm, often repeats to connect worm 30.The solvent aqueous solution of medicament is not contained for blank, each process repetition 4 times with leaching.Check dead borer population after process 72h, record total borer population and dead borer population respectively.The method of probability value analysis is adopted to process data.Statistical data DPS software processes, and obtains the LC of often kind of mixture toxicity regression line
50, and calculate co-toxicity coefficient by the abundant method of Sun Yun.The result of calculation of rice leaf roller is in table 3, and the result of calculation of snout moth's larva is in table 4.
Table 3
| Reagent agent | EC50（mg/L） | ATI | TTI | Co-toxicity coefficient (CTC) |
| Indoxacarb (A) | 18.51 | 100.0 | -- | -- |
| Sumithion (B) | 7.96 | 232.5 | -- | -- |
| Mixture 1(A:B=90:1) | 13.49 | 137.2 | 101.5 | 135.2 |
| Mixture 2(A:B=70:1) | 11.91 | 155.4 | 101.9 | 152.6 |
| Mixture 3(A:B=50:1) | 9.63 | 192.3 | 102.6 | 187.4 |
| Mixture 4(A:B=30:1) | 8.72 | 212.2 | 104.3 | 203.5 |
| Mixture 5(A:B=10:1) | 7.01 | 264.2 | 112.0 | 235.8 |
| Mixture 6(A:B=1:1) | 4.19 | 442.1 | 166.3 | 265.9 |
| Mixture 7(A:B=1:10) | 2.76 | 669.6 | 220.5 | 303.7 |
| Mixture 8(A:B=1:30) | 2.83 | 654.4 | 228.3 | 286.7 |
| Mixture 9(A:B=1:50) | 3.18 | 582.0 | 229.9 | 253.1 |
| Mixture 10(A:B=1:70) | 4.04 | 457.9 | 230.6 | 198.5 |
| Mixture 11(A:B=1:90) | 4.89 | 378.2 | 231.1 | 163.7 |
Table 4
| Reagent agent | EC50（mg/L） | ATI | TTI | Co-toxicity coefficient (CTC) |
| Indoxacarb (A) | 13.92 | 100 | -- | -- |
| Sumithion (B) | 5.64 | 246.8 | -- | -- |
| Mixture 1(A:B=90:1) | 10.88 | 127.9 | 101.6 | 125.9 |
| Mixture 2(A:B=70:1) | 9.53 | 146.1 | 102.1 | 143.1 |
| Mixture 3(A:B=50:1) | 8.87 | 156.9 | 102.9 | 152.5 |
| Mixture 4(A:B=30:1) | 8.11 | 171.7 | 104.7 | 163.9 |
| Mixture 5(A:B=10:1) | 6.55 | 212.4 | 113.3 | 187.4 |
| Mixture 6(A:B=1:1) | 4.07 | 341.6 | 173.4 | 197.0 |
| Mixture 7(A:B=1:10) | 2.56 | 543.0 | 233.5 | 232.6 |
| Mixture 8(A:B=1:30) | 2.72 | 511.5 | 242.1 | 211.3 |
| Mixture 9(A:B=1:50) | 3.13 | 444.9 | 243.9 | 182.4 |
| Mixture 10(A:B=1:70) | 3.44 | 404.6 | 244.7 | 165.3 |
| Mixture 11(A:B=1:90) | 3.94 | 353.3 | 245.2 | 144.1 |
As can be seen from table 3 and table 4, indoxacarb and sumithion composite, when the weight ratio of indoxacarb and sumithion is 1:0.01-90, co-toxicity coefficient is all greater than 120, all shows synergistic effect, especially when the weight ratio of indoxacarb and sumithion is 1:0.1-50, synergistic effect is more remarkable, wherein, when the weight ratio of indoxacarb and sumithion is 1:10, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
Test example 1.3
In this test example, A agent is the former medicine of indoxacarb (95 % by weight), and B agent is malathion active compound (95 % by weight).
Test target: wild cabbage diamond-back moth, pick up from Pingshan town, Longgang District, Shenzhen City, Guangdong Province vegetable fields, after indoor feeding a period of time, picking individual size basically identical 2 age nymph be for experiment; Prodenia litura, picks up from Pingshan town, Longgang District, Shenzhen City, Guangdong Province vegetable fields, after indoor feeding a period of time, picking individual size basically identical 2 age nymph be for experiment.
Experimental condition: temperature (25 ± 1) DEG C, humidity: 60%-80%, illumination: L:D=(16:8) h.
Test method: with reference to " People's Republic of China (PRC) agricultural industry criteria N Y/T1154.14-2008 ", adopts leaf dipping method.
Medicament is prepared: accurately take as above 11 kinds of mixtures respectively, often kind of mixture is all configured to mother liquor with acetone, and mother liquor is diluted with the Tween-80 of 0.1 % by weight the serial medicament becoming tool finite concentration gradient.
Chemicals treatment: rice field gathers the fresh wild cabbage tender leaf of non-medication, cleans with clear water, dries.Immerse in above-mentioned variable concentrations medicament according to the concentration wild cabbage tender leaf that cleaning is dried by order from low to high and soak 15s, put into clean vial after naturally drying, access examination worm, often repeats to connect worm 30.The solvent aqueous solution of medicament is not contained for blank, each process repetition 4 times with leaching.Check dead borer population after process 72h, record total borer population and dead borer population respectively.The method of probability value analysis is adopted to process data.Statistical data DPS software processes, and obtains the LC of often kind of mixture toxicity regression line
50, and calculating co-toxicity coefficient by the abundant method of Sun Yun, the result of calculation of wild cabbage diamond-back moth is in table 5, and the result of calculation of prodenia litura is in table 6.
Table 5
| Reagent agent | EC50（mg/L） | ATI | TTI | Co-toxicity coefficient (CTC) |
| Indoxacarb (A) | 14.51 | 100.0 | -- | -- |
| Malathion (B) | 5.94 | 244.3 | -- | -- |
| Mixture 1(A:B=90:1) | 11.04 | 131.5 | 101.6 | 129.4 |
| Mixture 2(A:B=70:1) | 10.40 | 139.6 | 102.0 | 136.8 |
| Mixture 3(A:B=50:1) | 9.18 | 158.0 | 102.8 | 153.7 |
| Mixture 4(A:B=30:1) | 7.84 | 185.0 | 104.7 | 176.8 |
| Mixture 5(A:B=10:1) | 6.46 | 224.6 | 113.1 | 198.6 |
| Mixture 6(A:B=1:1) | 3.33 | 436.2 | 172.1 | 253.4 |
| Mixture 7(A:B=1:10) | 2.81 | 515.9 | 231.2 | 223.2 |
| Mixture 8(A:B=1:30) | 3.22 | 450.0 | 239.6 | 187.8 |
| Mixture 9(A:B=1:50) | 3.65 | 397.9 | 241.4 | 164.8 |
| Mixture 10(A:B=1:70) | 4.18 | 347.1 | 242.2 | 143.3 |
| Mixture 11(A:B=1:90) | 4.75 | 305.3 | 242.7 | 125.8 |
Table 6
| Reagent agent | EC50（mg/L） | ATI | TTI | Co-toxicity coefficient (CTC) |
| Indoxacarb (A) | 6.54 | 100 | -- | -- |
| Malathion (B) | 1.80 | 363.3 | -- | -- |
| Mixture 1(A:B=90:1) | 5.06 | 129.1 | 102.9 | 125.5 |
| Mixture 2(A:B=70:1) | 4.62 | 141.5 | 103.7 | 136.4 |
| Mixture 3(A:B=50:1) | 4.04 | 161.8 | 105.2 | 153.9 |
| Mixture 4(A:B=30:1) | 3.38 | 193.6 | 108.5 | 178.4 |
| Mixture 5(A:B=10:1) | 2.79 | 234.7 | 123.9 | 189.4 |
| Mixture 6(A:B=1:1) | 1.20 | 544.6 | 231.7 | 235.1 |
| Mixture 7(A:B=1:10) | 0.91 | 717.8 | 339.4 | 211.5 |
| Mixture 8(A:B=1:30) | 1.04 | 626.6 | 354.8 | 176.6 |
| Mixture 9(A:B=1:50) | 1.10 | 592.1 | 358.2 | 165.3 |
| Mixture 10(A:B=1:70) | 1.22 | 534.8 | 359.6 | 148.7 |
| Mixture 11(A:B=1:90) | 1.40 | 466.4 | 360.4 | 129.4 |
As can be seen from table 5 and table 6, indoxacarb and malathion composite, when the weight ratio of indoxacarb and malathion is 1:0.01-90, co-toxicity coefficient is all greater than 120, all shows synergistic effect, especially when the weight ratio of indoxacarb and malathion is 1:0.1-10, synergistic effect is more remarkable, wherein, when the weight ratio of indoxacarb and malathion is 1:1, co-toxicity coefficient is maximum, and synergistic effect is the most obvious.
(2) field control effectiveness test, has desinsection broad spectrum activity for illustration of composition of the present invention.
Test example 2.1
Following medicament is adopted in this test example:
In medicament 1-4, active component is indoxacarb and orthene, and the weight ratio of indoxacarb and orthene is 1:10.
Medicament 1:40 % by weight indoxacarb orthene aqueous emulsion
Active component 40 % by weight, agriculture breast 1600#(is purchased from Nanjing Teva-Chem. Co., Ltd.) 7 % by weight, glycerine 2 % by weight, silicone oil 1 % by weight, surplus is deionized water.
Medicament 2:65 % by weight indoxacarb orthene missible oil
Active component 65 % by weight, triethanolamine salt 6 % by weight, agriculture breast 33#(is purchased from Nanjing Teva-Chem. Co., Ltd.) 8 % by weight, surplus is dimethylbenzene.
Medicament 3:20 % by weight indoxacarb orthene microcapsule suspension-suspendinagent agent
Active component 20 % by weight (wherein free active component accounts for 9 % by weight of Active principals), lignin sulfonic acid sodium salt 5 % by weight, lauryl sodium sulfate 2 % by weight, xanthans 1 % by weight, aluminium-magnesium silicate 0.5 % by weight, n-octyl alcohol 0.5 % by weight, surplus is deionized water.
Medicament 4:20 % by weight indoxacarb orthene suspension emulsion
Active component 20 % by weight, lignin sulfonic acid sodium salt 5 % by weight, Nekal BX (being purchased from blue star auxiliary reagent factory, Xingtai) 4 % by weight, 600# phosphate (being purchased from Cangzhou, Hebei Hong Yuan Chemical Co., Ltd.) 5 % by weight, polyvinylpyrrolidone (number-average molecular weight 25000) 3 % by weight, glycerine 2.5 % by weight, surplus is deionized water.
Contrast agents 1: prepare according to the formula of medicament 1, unlike, active component is indoxacarb;
Contrast agents 2: prepare according to the formula of medicament 1, unlike, active component is orthene.
Blank: do not use medicament, only uses clear water.
Often kind of medicament (with active ingredient) mu consumption is 20g/ mu, and after medicament being watered dilution 3000 times (weight ratio), spraying uses, and dispenser once altogether.
Experimental field basic condition: test is located at vegetable plot, suburb, Yuncheng, supplying to study thing is wild cabbage, kind is sweet No. 78 of the Qin, smooth for examination vegetable plot physical features, soil is sand loam, middle fertility, and pH is 6.7, the content of organic matter 1.76 % by weight, target pest is diamond-back moth, beet armyworm, prodenia litura, aphid, cotton bollworm.During dispenser, diamond-back moth, beet armyworm etc. are in contain and send out peak period.
Field experimental design and investigation: above-mentioned 4 medicaments are established in test, 2 contrast medicaments, 1 clear water is blank, totally 7 process, and each process repeats for 4 times, plot area 15m
2, random district group arranges, and each minizone cultivation management is consistent.Each community fixed point investigation 5 points, adopt the sampling of " Z " font 5 point sampling, often 10 strains, 2 leaves are investigated in every strain.Carry out the investigation of insect population radix before dispenser, after dispenser 1,3,7,14,30d with the remaining borer population alive of method investigation, calculate preventive effect.Preventive effect (that is, correcting controling effect) computing method:
Result of calculation is in table 7.
Table 7
Test example 2.2
Following medicament is adopted in this test example:
In medicament 1-4, active component is indoxacarb and sumithion, and the weight ratio of indoxacarb and sumithion is 1:10.
Medicament 1:80 % by weight indoxacarb sumithion cream
Active component 80 % by weight, dimethyl formamide 4 % by weight, benzyl dimethyl phenol polyoxyethyl ether (number-average molecular weight: 900, is purchased from Nanjing Teva-Chem. Co., Ltd.) 6 % by weight, surplus is dimethylbenzene.
Medicament 2:60 % by weight indoxacarb sumithion wetting powder
Active component 60 % by weight, aryl phenol polyoxyethylene succinate sulfonate 8 % by weight, soapberry powder (being purchased from Sui Long Industrial Co., Ltd. of Guangdong Province) 4 % by weight, surplus is bentonite.
Medicament 3:35 % by weight indoxacarb sumithion microcapsule suspension-suspendinagent agent
Active component 35 % by weight (wherein, free active component accounts for 9 % by weight of Active principals), alkylnaphthalene sulfonate NNO(is purchased from Jiangyin Shengtong Chemical Industry Co., Ltd.) 5 % by weight, neopelex 3 % by weight, polyvinylpyrrolidone (number-average molecular weight 18000) 2 % by weight, ethylene glycol 5 % by weight, silicone defoamer DZ-1050(is purchased from Beijing Zhu Bao Technew SA) 0.2% weight, surplus is deionized water.
Medicament 4:30 % by weight indoxacarb sumithion water dispersible granules
Active component 30 % by weight, polyoxyethylene oleic acid ester (number-average molecular weight 1800) 6 % by weight, soapberry powder (being purchased from Sui Long Industrial Co., Ltd. of Guangdong Province) 5 % by weight, aluminium chloride 2 % by weight, surplus is kaolin.
Contrast agents 1: prepare according to the formula of medicament 1, unlike, active component is indoxacarb;
Contrast agents 2: prepare according to the formula of medicament 1, unlike, active component is sumithion.
Blank: do not use medicament, only uses clear water.
Often kind of medicament (with active ingredient) mu consumption is 20g/ mu, and after medicament being watered dilution 3000 times (weight ratio), spraying uses, and dispenser once altogether.
Experimental field basic condition: test is located at liuyang hunan experimental field, be paddy rice for studying thing, kind is excellent No. 2 of Hunan, and smooth for examination rice field physical features, soil is sand loam, middle fertility, and pH is 7.2, the content of organic matter 0.98 % by weight.Target pest is rice leaf roller, striped rice borer, snout moth's larva, rice fulgorid.During dispenser, rice leaf roller, snout moth's larva etc. are in contain and send out peak period.
Field experimental design and investigation: above-mentioned 4 medicaments are established in test, 2 contrast medicaments, 1 clear water is blank, totally 7 process, and each process repeats for 4 times, plot area 15m
2, random district group arranges, and each minizone cultivation management is consistent.Each community fixed point investigation 5 points, adopt the sampling of " Z " font 5 point sampling, often 10 strains, 3 leaves are investigated in every strain.Carry out the investigation of insect population radix before dispenser, after dispenser 1,3,7,14,30d with the remaining borer population alive of method investigation, calculate preventive effect.Computational methods are with test example 2.1.Result of calculation is in table 8.
Table 8
Test example 2.3
Following medicament is adopted in this test example:
In medicament 1-4, active component is indoxacarb and malathion, and the weight ratio of indoxacarb and malathion is 1:1.
Medicament 1:30 % by weight indoxacarb malathion wetting powder
Active component 60 % by weight, 16 carbon amine APEOs (number-average molecular weight 900) 5 % by weight, soapberry powder (being purchased from Sui Long Industrial Co., Ltd. of Guangdong Province) 4 % by weight, white carbon 8 % by weight, surplus is kaolin.
Medicament 2:25 % by weight indoxacarb malathion suspension emulsion
Active component 25 % by weight, lignin sulfonic acid sodium salt 5 % by weight, Nekal BX (being purchased from blue star auxiliary reagent factory, Xingtai) 4 % by weight, agriculture breast 1600#(is purchased from Nanjing Teva-Chem. Co., Ltd.) 5 % by weight, carboxymethyl cellulose (number-average molecular weight 30000) 2 % by weight, glycerine 2 % by weight, surplus is deionized water.
Medicament 3:35 % by weight indoxacarb malathion microemulsion
Active component 35 % by weight, dimethylbenzene 20 % by weight, methyl alcohol 10 % by weight, calcium dodecyl benzene sulfonate 5 % by weight, phenyl phenol APEO (number-average molecular weight 1200) 10 % by weight, surplus is deionized water.
Medicament 4:30 % by weight indoxacarb malathion microcapsule suspension-suspendinagent agent
Active component 30 % by weight (wherein, free active component accounts for 8 % by weight of Active principals), octylphenol polyethylene oxyethylene group ether sulfate (number-average molecular weight 800) 6 % by weight, neopelex 5 % by weight, n-octyl alcohol (Reagent Company of traditional Chinese medicines group) 0.5 % by weight, triethanolamine 1.4 % by weight, surplus is deionized water.
Contrast agents 1: prepare according to the formula of medicament 1, unlike, active component is indoxacarb;
Contrast agents 2: prepare according to the formula of medicament 1, unlike, active component is malathion.
Blank: do not use medicament, only uses clear water.
Often kind of medicament (with active ingredient) mu consumption is 20g/ mu.After medicament being watered dilution 3000 times (weight ratio), spraying uses, and dispenser once altogether.
Experimental field basic condition: test is located at suburban area experimental field, Xianyang, Shanxi province, be paddy rice for studying thing, kind is excellent No. 109 of Hunan, and smooth for examination rice field physical features, soil is sand loam, middle fertility, and pH is 6.9, the content of organic matter 1.02 % by weight.Target pest is thrips, rice thrips, rice water weevil.During dispenser, thrips, rice thrips, rice water weevil are in contain and send out peak period.
Field experimental design and investigation: above-mentioned 4 medicaments are established in test, 2 contrast medicaments, 1 clear water is blank, totally 7 process, and each process repeats for 4 times, plot area 15m
2, random district group arranges, and each minizone cultivation management is consistent.Each community fixed point investigation 5 points, adopt " Z "
Font 5 point sampling samples, and often 10 strains, 3 leaves are investigated in every strain.Carry out the investigation of insect population radix before dispenser, after dispenser 1,3,7,14,30d with the remaining borer population alive of method investigation, calculate preventive effect.Computational methods are with test example 2.1.Result of calculation is in table 9.
Table 9
As can be seen from table 7-9, insecticides provided by the invention all has good preventive effect to the various pests that mixing occurs, and therefore, insecticides provided by the invention can prevent and treat multiple different types of insect that mixing occurs.Insecticide provided by the invention after administration 14 and 30d time still keep higher preventive effect, the lasting period of visible insecticide of the present invention is long
Insecticides of the present invention and insecticide, relative to oligomict indoxacarb or organophosphorus insecticides, have synergistic effect, can improve control efficiency; Lasting period is long; Containing non-single-activity composition, not easily develop immunity to drugs; Multiple different types of insect that mixing occurs can be prevented and treated, thus can dosage be reduced, cost-saving, alleviate the pollution to environment.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (6)
1. an insecticides, described composition contains active component, it is characterized in that, described active component contains indoxacarb and orthene, and the weight ratio of indoxacarb and orthene is 1:0.01-90.
2. insecticides according to claim 1, wherein, the weight ratio of indoxacarb and orthene is 1:0.1-50.
3. insecticides according to claim 1 and 2, wherein, based on the gross weight of described insecticides, the content of described active component is 1-95 % by weight.
4. insecticides according to claim 1 and 2, wherein, described composition is also containing one or more in dispersant, wetting agent, antifreezing agent, stabilizing agent, thickener, emulsifier, defoamer, solvent, adsorbent, disintegrant, binding agent, wall material, solid inert carrier, acid adjustment medium and alkali tune medium.
5. the insecticide prepared by the insecticides in claim 1-4 described in any one, wherein, the formulation of described insecticide is aqueous emulsion, missible oil, wetting powder, suspension emulsion, water dispersible granules, microcapsule suspension-suspendinagent agent or microemulsion.
6. the application in insecticide according to claim 5 one or more plant insects in control rice leaf roller, rice fulgorid, striped rice borer, snout moth's larva, thrips, rice thrips, rice water weevil, diamond-back moth, beet armyworm, prodenia litura, aphid and cotton bollworm.
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