CN103329928A - Insecticidal composition and pesticide therefore as well as application - Google Patents
Insecticidal composition and pesticide therefore as well as application Download PDFInfo
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- CN103329928A CN103329928A CN2013103076050A CN201310307605A CN103329928A CN 103329928 A CN103329928 A CN 103329928A CN 2013103076050 A CN2013103076050 A CN 2013103076050A CN 201310307605 A CN201310307605 A CN 201310307605A CN 103329928 A CN103329928 A CN 103329928A
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Abstract
The invention discloses an insecticidal composition and pesticide therefore as well as an application, and belongs to the pesticide field. The invention provides the insecticidal composition prepared from dinotefuran and pyridaphethione, also provides the pesticide of the insecticidal composition for preparing different dosage forms, and also provides the application of the pesticide on field prevention and cure. The compound insecticidal composition disclosed by the invention is the effective ingredient compound composition of the brand-new pesticide, and the pesticide of suspending agent or wettable powder prepared from the composition has a good prevention and cure effect on field insect pests, and is far higher than the use effect of any one of two components. According to the scheme, the problem of drug resistance of the dinotefuran in the prior art is solved, the drug use amount is lowered, the generation of the drug resistance is delayed, meanwhile, the insecticidal spectrum is enlarged, the cost is lowered, and the invention especially has an obvious prevention and cure effect on insect pests, such as chilo suppressalis, plant hoppers and strawberry aphids.
Description
Technical field
The present invention relates to a kind of agricultural chemical insecticide, relate in particular to a kind of utilize MTI-446 and pyridaphethione composite Pesticidal combination and agricultural chemical insecticide and application as active component.
Background technology
Pyridaphethione, chemical name are O-(1,6-dihydro-6-oxo-1-phenyl-3-pyridazinyl)-O, O-systox, efficient, low toxicity, low-residual, broad-spectrum organic insecticide.Have and tag and stomach poison function, no systemic action.Multiple sucking mouth parts and chewing type insect there is better control efficiency.Pyridaphethione is used for control paddy rice and the common insect pest of cotton, and the various pests of crops such as vegetables, wheat, oil plant, coarse cereals, fruit tree, forest is also had good control efficiency.Pyridaphethione is a kind of low toxicity organophosphorous pesticide, uses safety, and along with the forbidding of country to five high malicious organic phosphor kinds, pyridaphethione is one of desirable alternative kind.But total in the production practices process, owing to long-term a large amount of use this new type disinsection agricultural chemicals, cause the pesticide resistance influence inevitably, therefore by other means this agricultural chemicals is improved and just seemed very necessary.
MTI-446 is a kind of nicotinic insecticide, chemical name is 1-methyl-2-nitro-3-(tetrahydrochysene-3-furfuryl) guanidine, its chemical constitution and traditional nicotinic insecticide are (as Imidacloprid, Acetamiprid) differs greatly, this medicament have tag, strong, the quick-acting height of absorption in stomach toxicity and the root, characteristics such as the lasting period is long, insecticidal spectrum is wide, and sucking insect had excellent preventive effect.The insecticidal spectrum of MTI-446 is wider, especially is directed to common rice grub plant hopper, stinkbug, and vegetable and fruit insect such as Phytophthira, aleyrodid class, the high preventive effect of a red-spotted lizard class, but general to striped rice borer, oryza chinensis and thrips class pest preventive effect.
Summary of the invention
Goal of the invention: the purpose of this invention is to provide a kind of in order to solve the complex insecticidal composition of present MTI-446 pesticide resistance problem, another object of the present invention provides the agricultural chemical insecticide of the corresponding formulation of being made by said composition, and a further object of the invention provides the application of above-mentioned bactericidal composition in the pest control of field.
Technical scheme: in order to realize the foregoing invention purpose, a kind of Pesticidal combination of the present invention is made up of MTI-446 and pyridaphethione.The present invention is based on existing MTI-446 pesticide resistance problem, provides a kind of brand-new complex composition, the pest control better effects if.
It is composite that the present invention utilizes MTI-446 and pyridaphethione to carry out, and the mass ratio of described MTI-446 and pyridaphethione is 1: (1～20).Further, in order to realize the better prevention effect, the mass ratio of described MTI-446 and pyridaphethione is 1: (2～10).
As optimal case of the present invention, the mass ratio of described MTI-446 and pyridaphethione is 1: 6～7.From specification test example hereinafter, as can be seen, under this proportioning, prevent that effect is the most useful, the peak value place of control efficiency normal distribution.
Utilize Pesticidal combination of the present invention to can be made into agricultural chemical insecticide, formulation is suspending agent, comprise solvent and cosolvent 5～30%, wetting agent 5～20%, dispersant 5～20%, tackifier 1～10%, defoamer 0.2～8%, antifreezing agent 2～10% by mass percentage, and described Pesticidal combination 20～60%.
Dispersiveness, emulsibility, wettability, stability and the permeability etc. of the present invention in order to strengthen said composition, add solvent or cosolvent, emulsifier, dispersant, co-emulsifier, antifreezing agent, defoamer, thickener, stabilizing agent or the adhesive of Different Weight, be processed into suspending agent according to traditional diamond-making technique, adopt modes such as spraying, atomizing to spray the field behind the thin up and be used for preventing insect pest.
Solvent of the present invention and cosolvent include but not limited to any one or multiple combination of dimethylbenzene, toluene, carrene, cyclohexane, acetone, cyclohexanone, pyrrolidones, methyl alcohol, dimethyl formamide, dimethyl sulfoxide (DMSO) (DMSO).
Described wetting agent includes but not limited to any one or multiple combination of aliphatic alcohol sulfate, alkylaryl sulfonates, alkylphenol polyoxyethylene class, fatty alcohol polyethenoxy ether class.
Described dispersant includes but not limited to any one or multiple combination of lignosulfonates, alkylnaphthalene sulfonate formaldehyde condensation products, alkylaryl APEO, dodecyl polyoxyethylene ether phosphate.
Described tackifier includes but not limited to any one or multiple combination of xanthans, gum Arabic, soluble starch, carboxymethyl cellulose salt, clay mineral (as bentonite).
Described defoamer includes but not limited to any one or multiple combination of higher alcohol (as isooctanol, isoamyl alcohol etc.), fatty acid (lauric acid, stearic acid etc.), silicone.
Described antifreezing agent includes but not limited to any one or multiple combination of ethylene glycol, propane diols, diethylene glycol (DEG).
Described stabilizing agent comprises but is not limited to organic acid, organic base, ester class, alcohols, antioxidant etc., as any one or multiple combination of xanthan gum, pyrogallol, sodium sorbate, Sodium Benzoate, epoxidized soybean oil.
As preferred version of the present invention, described agricultural chemical insecticide comprises 35% described Pesticidal combination by mass percentage, and alkylphenol polyoxyethylene 6%, fatty alcohol-polyoxyethylene ether 4%, alkylaryl APEO 8%, soluble starch 3%, glycerine 5%, isoamyl alcohol 0.5%, silicone 0.5%, soya-bean oil 1%, Magnesiumaluminumsilicate 0.5%, methyl alcohol 5%, dimethyl formamide 1%.
Insecticide of the present invention also can be mixed with wetting powder, comprises wetting agent 5～30%, dispersant 5～10%, filler 15～75% by mass percentage, and described Pesticidal combination 20～60%.
Described wetting agent includes but not limited to any one or multiple combination of sodium alkyl benzene sulfonate, fatty acid sulphate, bay alcohol radical sulphate, alkylphenol polyoxyethylene, moistening penetrating agent JFC, the withered powder of tea, spaonin powder.
Described dispersant includes but not limited to any one or multiple combination of lignosulfonates, alkylnaphthalene sulfonate formaldehyde condensation products, nekal, polyoxyethylene polyoxypropylene base ether down section copolymer, alkylphenol-polyethenoxy phosphate.
Described filler includes but not limited to any one or multiple combination of kaolin, talcum powder, diatomite, bentonite, precipitated calcium carbonate.
As preferred version of the present invention, comprise 35% described Pesticidal combination by mass percentage, and bay alcohol radical sulphate 12%, moistening penetrating agent JFC 8%, alkylnaphthalene sulfonate formaldehyde condensation products 4%, polyoxyethylene polyoxypropylene base ether down section copolymer 5%, bentonite 12%, kaolin 29%.
Agricultural chemical insecticide of the present invention can be used for the field control striped rice borer, described Pesticidal combination accounts for 35% of this agricultural chemical insecticide gross mass, every mu contains described Pesticidal combination 25～30g in spraying insecticide when being mixed with the suspending agent formulation, and every mu contains described Pesticidal combination 22～25g in spraying insecticide when being mixed with wetting powder.
Agricultural chemical insecticide of the present invention can be used for the field control plant hopper, described Pesticidal combination accounts for 35% of this agricultural chemical insecticide gross mass, every mu contains described Pesticidal combination 25～30g in spraying insecticide when being mixed with the suspending agent formulation, and every mu contains described Pesticidal combination 22～25g in spraying insecticide when being mixed with wetting powder.
Agricultural chemical insecticide of the present invention can be used for field control strawberry aphid, described Pesticidal combination accounts for 35% of this agricultural chemical insecticide gross mass, every mu contains described Pesticidal combination 25～30g in spraying insecticide when being mixed with the suspending agent formulation, and every mu contains described Pesticidal combination 22～25g in spraying insecticide when being mixed with wetting powder.
Beneficial effect: complex insecticidal composition of the present invention is brand-new agricultural chemical insecticide active ingredient complex composition, the suspending agent of said composition preparation or the agricultural chemicals of wetting powder prevent that to the field insect pest effect is very good, are higher than the result of use of both any one components far away.This scheme has solved the drug-fast problem of MTI-446 in the prior art, and the present invention reduces dosage, delays pesticide resistance and produces, and enlarges insecticidal spectrum simultaneously and reduces cost, and especially prevents that in insect pests such as striped rice borer, plant hopper and strawberry aphids effect is remarkable.
Embodiment
Below in conjunction with specific embodiment the present invention is further specified.
Embodiment 1
A kind of Pesticidal combination of the present invention is made up of MTI-446 and pyridaphethione, and the mass ratio of described MTI-446 and pyridaphethione is 1: (1～20), preferred version are 1: (2～10).Utilize Pesticidal combination of the present invention to can be made into agricultural chemical insecticides such as suspending agent, wetting powder, be used for being sprayed onto crops.
During preparation suspension pesticide formulation, comprise solvent and cosolvent 5～30%, wetting agent 5～20%, dispersant 5～20%, tackifier 1～10%, defoamer 0.2～8%, antifreezing agent 2～10% by mass percentage, and described Pesticidal combination 20～60%.And during preparation wetting powder formulation, comprise wetting agent 5～30%, dispersant 5～10%, filler 15～75% by mass percentage, and described Pesticidal combination 20～60%.
Below further list 4 specific embodiments, be listed below with the form of table 1:
The different embodiment of table 1 prepare the suspending agent type agricultural chemical insecticide
Embodiment 5
Take by weighing MTI-446 4g, pyridaphethione 28g, neopelex 5g, alkyl phenyl polyglycol ether 5g, alkylphenol-polyethenoxy phosphate 15g, kaolin 43g.After each component fully mixed, through levigate product 32% wetting powder that namely gets of air-flow machine.
Below further list 3 specific embodiments, be listed below with the form of table 2:
The different embodiment of table 2 prepare the Wettable pesticide powder insecticide
Test example its different proportionings of 1 complex composition and monomer whose are to the toxicity test of rice-stem borer
With reference to the determination method that FAO recommends, adopt drop method to carry out Toxicity Determination.Reagent agent is become 5 series concentration with acetone diluted, select for use striped rice borer 3 instar larvaes of worm attitude unanimity to place in the 9cm culture dish, slightly anaesthetize with CO2, then with micro-dropper with medicine liquid droplet in the examination worm pronotary central authorities, every cephalont point drops physic liquor 1 μ l, every processing repeats 3 times with 20 of worms, handles as blank with acetone and emulsifier Qu Latong.Treated striped rice borer examination worm treats namely to move in the 12cm culture dish after the solvent evaporates, adds fresh light green rice leaf, preserve moisture with cotton balls, put into 28 ℃ of incubators and isolate the recovery raising, periodicity of illumination is 16L: 8D, check the larvae alive number behind the 48h, calculate lethality and corrected mortality.Obtain virulence regression equation and LD with the probit value method
50, calculate co-toxicity coefficient according to the method for the abundant proposition of Sun Yun, co-toxicity coefficient is greater than 120 the synergistic effect that is, co-toxicity coefficient is summation action between 80～120, co-toxicity coefficient less than 80 be antagonism, carry out the pharmacy effect evaluation as standard.The computing formula of co-toxicity coefficient is as follows:
The percentage composition of A in ATI * mixture of percentage composition+medicament B of A in ATI * mixture of theoretical toxicity index (TTI)=medicament A
By table 3 as seen, MTI-446 and pyridaphethione are mixed in the ratio of 1: 2,1: 4,1: 6,1: 8 and 1: 10, it all shows as addition or synergistic effect to the striped rice borer virulence, and co-toxicity coefficient (CTC) is 108.54,137.98,157.86,152.53,117.12.
Table 3 MTI-446, pyridaphethione and different proportioning are to the toxicity test (24hr) of rice-stem borer
Test example 2 MTI-446 and pyridaphethione are mixed and prevent and treat the field control effectiveness test of water rice hopper
After the radix investigation record, adopt manual sprayer that MTI-446 and pyridazine phosphorus and mixture preparation thereof are sprayed at paddy rice equably and prevent and treat water rice hopper before the insect population medicine, regularly investigate behind the medicine, the results are shown in and see Table 4.As seen, the different proportionings with pyridaphethione of MTI-446 and formulation consumption 15～28.8g a.i./666.7m
2, can prevent and treat water rice hopper effectively, field efficacy all is better than or is comparable to MTI-446 5g a.i./666.7m
2, obviously be better than pyridaphethione 30g a.i./666.7m
2Control efficiency.
The field efficacy of table 4 MTI-446, pyridaphethione and mixture water rice hopper thereof
Test example 3 MTI-446 and pyridaphethione are mixed and prevent and treat strawberry aphid field control effectiveness test
Before the insect population medicine after the radix investigation record, adopt manual sprayer that MTI-446 and pyridaphethione and mixture preparation thereof are sprayed on the crop equably, regularly investigate behind the medicine, the results are shown in and see Table 5.As seen, each mixture preparation of MTI-446 and pyridaphethione shows good control efficiency to the strawberry aphid, different proportionings and formulation consumption 19.2-26.4g a.i./666.7m
2, no matter see on the preventive effect quick-acting and lasting effect all obviously to be better than MTI-446 5g a.i./666.7m
2With pyridaphethione 30g a.i./666.7m
2Control efficiency.
The field efficacy of table 5 MTI-446, pyridaphethione and mixture strawberry aphid thereof
The above only is preferred embodiment of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. Pesticidal combination, it is characterized in that: said composition is made up of MTI-446 and pyridaphethione.
2. a kind of Pesticidal combination according to claim 1, it is characterized in that: the mass ratio of described MTI-446 and pyridaphethione is 1: (1～20).
3. according to a kind of Pesticidal combination under the claim 2, it is characterized in that: the mass ratio of described MTI-446 and pyridaphethione is 1: (2～10).
4. according to a kind of Pesticidal combination under the claim 3, it is characterized in that: the mass ratio of described MTI-446 and pyridaphethione is 1: 6～7.
5. the agricultural chemical insecticide of making as a kind of Pesticidal combination as described in the claim 1～4 any, it is characterized in that: the formulation of this insecticide is suspending agent or wetting powder.
6. the application of agricultural chemical insecticide on the striped rice borer of control field, it is characterized in that: Pesticidal combination as claimed in claim 1 accounts for 35% of this agricultural chemical insecticide gross mass, every mu contains described Pesticidal combination 25～30g in spraying insecticide when being mixed with the suspending agent formulation, and every mu contains described Pesticidal combination 22～25g in spraying insecticide when being mixed with wetting powder.
7. the application of agricultural chemical insecticide on the plant hopper of control field, it is characterized in that: Pesticidal combination as claimed in claim 1 accounts for 35% of this agricultural chemical insecticide gross mass, every mu contains described Pesticidal combination 25～30g in spraying insecticide when being mixed with the suspending agent formulation, and every mu contains described Pesticidal combination 22～25g in spraying insecticide when being mixed with wetting powder.
8. the application of agricultural chemical insecticide on control strawberry aphid, it is characterized in that: Pesticidal combination as claimed in claim 1 accounts for 35% of this agricultural chemical insecticide gross mass, every mu contains described Pesticidal combination 25～30g in spraying insecticide when being mixed with the suspending agent formulation, and every mu contains described Pesticidal combination 22～25g in spraying insecticide when being mixed with wetting powder.
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| CN2013103076050A CN103329928A (en) | 2013-07-19 | 2013-07-19 | Insecticidal composition and pesticide therefore as well as application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104304311A (en) * | 2014-09-12 | 2015-01-28 | 青岛润鑫伟业科贸有限公司 | Bensulide, dinotefuran and metasystox-containing efficient pesticide |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08217610A (en) * | 1995-02-17 | 1996-08-27 | Mitsui Toatsu Chem Inc | Insecticidal composition |
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- 2013-07-19 CN CN2013103076050A patent/CN103329928A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08217610A (en) * | 1995-02-17 | 1996-08-27 | Mitsui Toatsu Chem Inc | Insecticidal composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104304311A (en) * | 2014-09-12 | 2015-01-28 | 青岛润鑫伟业科贸有限公司 | Bensulide, dinotefuran and metasystox-containing efficient pesticide |
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Application publication date: 20131002 |