CN101385460A - Insecticidal composition containing thiamethoxam - Google Patents
Insecticidal composition containing thiamethoxam Download PDFInfo
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- CN101385460A CN101385460A CNA2008101557638A CN200810155763A CN101385460A CN 101385460 A CN101385460 A CN 101385460A CN A2008101557638 A CNA2008101557638 A CN A2008101557638A CN 200810155763 A CN200810155763 A CN 200810155763A CN 101385460 A CN101385460 A CN 101385460A
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- thiophene worm
- worm piperazine
- pyridaphethione
- pesticide
- malathion
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Abstract
The invention relates to a pesticide combination, comprising a compound which consists of the neonicotine pesticide thiamethoxam and at least one pesticide selected from organophosphorus pesticides of pyridaphethione, malathion and phoxim; the compound can be processed into aqueous emulsion, water dispersible granule and suspension emulsion. The field experiment of the pesticide compound of the invention for treating different objects proves that the killing efficiency is high and the preventing and controlling scope is very wide, therefore, the invention can effectively prevent and control main pests such as rice borer, rice plant hopper, cotton aphid, apple aphid, diamond-back moth, European red mite, orange coccid, pieris rapae, bemisia tabaci and the like.
Description
Technical field
The present invention relates to Pesticidal combination, be meant the Pesticidal combination of anabasine insecticide thiophene worm piperazine and a kind of organophosphorus insecticides especially.
Background technology
Anabasine insecticide thiophene worm piperazine is by Novartis Co.,Ltd's exploitation, one of latest generation high-efficient broad-spectrum insecticide that went on the market in 1997, and its chemical name is a 3-(2-chloro-1,3-thiazole-5-ylmethyl)-5-methyl-N nitro-imine 1,3,4-two mute piperazines, external trade name is Actam or Adage.Structural formula is:
Though the mechanism of action is similar to Imidacloprid first generation anabasine insecticide, all act on insect nervous system postsynaptic membrane acetylcholinergic receptor, the block nerves conduction, insect had tag, stomach poison function, and good systemic activity arranged, to various pests, particularly remarkable to the sucking pest toxic action.Thiophene worm piperazine has higher activity, higher safety and wider insecticidal spectrum, and using method is various, and Environmental compatibility is good, and both can having prevented and treated on the ground, insect also can prevent and treat soil insect.And with first generation anabasine insecticide such as no cross resistance such as Imidacloprid, Acetamiprid, be to replace those best kinds to the high poison of mammal, high residue and the organic phosphor that has greater environmental impacts, carbamates, pyrethroid class, organochlorine insecticides.
Organophosphorus insecticide is the insecticidal/acaricidal agent of a class broad spectrum activity, and its mechanism of action is to suppress acetylcholine esterase active in the evil body, and insect is poisoned to death.Wherein pyridaphethione (Pyridaphen) has and tags and stomach poison function, is the insecticidal/acaricidal agent of a kind of efficient, low toxicity, low-residual, broad spectrum activity.Be mainly used in pest control and evil mite on the various crop such as paddy rice, cotton, fruit tree, vegetables, wheat, corn, tea tree, especially the snout moth's larva of rice, cotton spider mites and aphid etc. had the better prevention effect.But the control efficiency to rice fulgorid is not ideal enough.
Malathion (malathion) belongs to low toxic pesticide, has good tagging and certain fumigation action, and no systemic action enters the polypide rear oxidation and becomes the oxidation malathion, thereby more can bring into play toxic action.Malathion toxicity is low, and the longevity of residure is short, and is all effective to the insect of sucking mouth parts and biting mouthparts.Phoxim (phoxime) belongs to low toxic pesticide, and insecticidal spectrum is wide, and the power of knocking down is strong, tagging and stomach poison function, no systemic action is very effective to the phosphorus wing order larva., easily decompose because of to photo-labile in the field, so residual life is short, residual danger is little, but this medicine applies in the soil, and residual life is very long, is suitable for preventing and treating soil insect.
Because of the cost of thiophene worm piperazine is bigger, may also can produce after large tracts of land and long-time the application as Imidacloprid some insect having been produced pesticide resistance in various degree, obviously reduce drug effect, and do not reach the purpose of control.And pyridaphethione, malathion, phoxim are domestic large tonnage products, and its price is lower, but its prevention and treatment range is wideless.So it is composite that thiophene worm piperazine and pyridaphethione, malathion, phoxim carry out, and improved insecticidal effect, and enlarged the scope of preventive and therapeutic effect and insect pest.And the two composite dosage that reduced, reduce the dispenser cost, the pesticide resistance of having slowed down thiophene worm piperazine.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, have the complex preparation of notable synergistic effect, and can produce high insecticidal effect, drug cost is low, and can delay the resistance of insecticide.
Technical scheme of the present invention is as follows:
A kind of Pesticidal combination is characterized in that, comprises two active components, and first active ingredient is a second generation anabasine insecticide thiophene worm piperazine, and second activity becomes and is a kind of organophosphorus insecticides.Wherein organophosphorus insecticide is a kind of of pyridaphethione, malathion and phoxim.
Must the measuring than being 1:1～100 of first active component and second active component in the Pesticidal combination is preferably 1:1～30.
The formulation that insecticides of the present invention can be prepared according to the known method of those skilled in the art of the present technique is missible oil, aqueous emulsion, water-dispersible granules and suspending agent.
Component of the present invention is reasonable, drug effect is high, use cost is low, and synergistic effect is obvious.The present invention is to drug effect height such as rice grub such as striped rice borer, rice fulgorid and rice leaf roller, and can prevent and treat some primary pest on crops, fruit tree, the vegetables such as all kinds of aphids, aleyrodid and evil mite effectively.
The synergy proportioning of the toxicity test screening composition of insecticides such as thiophene worm piperazine and pyridaphethione provides foundation for preparation effective content proportioning.
Toxicity test embodiment 1:
Thiophene worm piperazine and pyridaphethione are mixed to striped rice borer employing in three ages immersion method toxicity test result (calculating of Finney formula).
Table 1:
Annotate: theoretical virulence was synergistic effect with the ratio of actual poison greater than 2.6 o'clock, and between 0.5 and 2.6 is summation action, less than 0.5 be antagonism.
By last table 1 as can be known thiophene worm piperazine and pyridaphethione carry out the composite synergy that is with 1:6,1:9,1:19 and 1:29,1:1 is a summation action.Two medicine mechanism of action differences meet the condition of processing mixture in addition, can prepare desirable preparation.
Toxicity test embodiment 2:
Thiophene worm piperazine and malathion are mixed to brown planthopper (2-3 age), adopt spray-on process to measure virulence and synergistic effect screening (calculating with the Finney formula) thereof
Table 2
As seen from the above table,, the proportioning of thiophene worm piperazine and malathion control brown planthopper is that 1:1 and 1:9 have synergistic effect, and 1:6 all has summation action, owing to two medicine mechanism of action differences,, be processed into mixture and have broad application prospects again so be processed into the condition that mixture meets complex preparation.
Toxicity test embodiment 3
Thiophene worm piperazine and phoxim compound adopt immersion method to carry out toxicity test (calculating with the Finney formula) to rice leaf roller (2-3 age)
Table 3
Thiophene worm piperazine and phoxim be with 1:1,1:6 with 1:9 is composite is synergistic effect as shown in Table 3, but 1:3 composite be summation action.Because two single agent mechanism of action differences, the former acts on acetylcholinergic receptor, and the latter acts on acetylcholinesterase, adds it and uses with and border effect effect is arranged, and processes the mixture conditional request so the two meets.
Embodiment
The invention will be further described below in conjunction with example
Example of formulations 1:
Take by weighing 2% thiophene worm piperazine, 38% pyridaphethione, 20% toluene, 10% emulsifier, 2%CMC and 4% ethylene glycol, water is supplied 100% weight portion.Generally process footwork by the aqueous emulsion preparation, throw mix molten back of former medicine, solvent and emulsifier and be oil phase, other components are soluble in the aqueous phase, and adopt the high-shear emulsifying method, pour oil phase into the aqueous phase high-speed stirred and make 40% thiophene worm piperazine pyridaphethione aqueous emulsion.
The weight ratio of thiophene worm piperazine, pyridaphethione can change between 1:1-100 (routine 1:1,1:6,1:9,1:19,1:80,1:100) and form new embodiment in this enforcement.
Pyridaphethione can also be replaced to the malathion, phoxim forms new embodiment.
Embodiment 2:
Take by weighing that 1% thiophene worm piperazine, 29% pyridaphethione, 10% emulsifier, 1% are seen through agent, toluene is supplied 100% weight portion, stirring and dissolving to mix 30% thiophene worm piperazine pyridaphethione missible oil.
Thiophene worm piperazine and pyridaphethione ratio can change between 1:1-100 (for example 1:1,1:3,1:5,1:10,1:80,1:100) and form new embodiment in the present embodiment.
Pyridaphethione can also be changed into phoxim or malathion and form new embodiment.
Embodiment 3
Take by weighing 10% thiophene worm piperazine, 20% malathion, 3% white carbon, 5% dispersant, 4% wetting agent, 5% urea, 2% soluble starch, bentonite supplies 100%.Above-mentioned raw materials is produced 30% thiophene worm piperazine pyridaphethione water dispersible granules through steps such as ultramicro grinding, mixing, granulations.
In the present embodiment, thiophene worm piperazine and malathion part by weight change between 1:100 and form new embodiment.
The malathion can also be replaced to phoxim or pyridaphethione, form new embodiment.
Embodiment 4:
Take by weighing 4% thiophene worm piperazine, 36% phoxim, 4% emulsifier, 2% alkyl naphthalene sulfonic acid salt, 0.1% xanthans, 2% ethylene glycol, 1% white carbon, 0.1% polysaccharide, 0.15% formaldehyde, water is supplied 100% weight portion.With above-mentioned raw materials mix through one-level sand milling, secondary sand grind 40% thiophene worm piperazine phoxim suspended emulsion.
Phoxim can also be replaced to pyridaphethione or malathion.
Biological example 1: control rice-stem borer field trial
Reagent agent: 40% thiophene worm piperazine pyridaphethione aqueous emulsion (Anhui Huaxing Chemical Co., Ltd. provides)
Contrast agents: 20% Hostathion EC (production of Anhui chemical industry Co., Ltd of new DESAY)
Controlling object: four generations striped rice borer, ovum hatching Sheng phase spray medicine.Paddy rice is in cut heading stage, adopts the manual sprayer even spraying, once mu dosage 30ml, 40ml, and Hostathion 100ml kept shoaling layer 5～7 days respectively to 50 kilograms of even spraying of water during the dispenser.
Table 4:40% thiophene worm piperazine pyridaphethione EW control striped rice borer result of the test (Changfeng County, Anhui)
40% thiophene worm piperazine pyridaphethione aqueous emulsion control striped rice borer has good preventive effect as shown in Table 4, and control district paddy rice dead ears rate is low, and residual worm amount is few, good disinsection effect.Can find out that from last table dead ears rate preventive effect was 81.2% when 40% thiophene worm piperazine pyridaphethione aqueous emulsion mu consumption was 30ml, the preventive effect of insecticidal effect 81.58% and contrast medicament Hostathion is suitable.The highest with the 40ml preventive effect with mu, anti-dead ears rate is 84.35%, and insecticidal effect is up to 90.79%, and therefore 40% thiophene worm piperazine pyridaphethione EW is a new and effective insecticide as can be known.
Biological example 2, control rice fulgorid field trial
Reagent agent: 30% thiophene worm piperazine malathion WG (Anhui Huaxing Chemical Co., Ltd. provides), establishing mu consumption is 20 grams, 30 grams, 40 grams.
Contrast agents is that 20% Mobucin EC mu consumption is 100ml, and controlling object is 2-3 small brown rice planthopper in an age nymph (in the rice field distribution uniform).
For studying thing: rice varieties 9964
Test site: Lujiang County stone town, Anhui is July 5 during dispenser, looks into drug effect behind the medicine in 3 days, 7 days and 15 days.
Table 5,30% thiophene worm piperazine malathion WG prevent and treat small brown rice planthopper (2-3 age) field test results (Lujiang, Anhui)
Field experiment result shows that 30% thiophene worm piperazine malathion WG control small brown rice planthopper drug effect is good, and mu increases with dose with 20 grams, 30 grams and 40 gram preventive effects.Mu with minimum flow 20 gram medicines after 7 days average preventive effects up to 85%, still had 80.6% effect in 15 days behind the medicine, obviously be better than the contrast agents Mobucin.Mu is with the average preventive effect 77.1% of 30 grams, and 7 days preventive effects reach 85.8% behind the medicine, 15 days 81.0% preventive effects in addition behind the medicine; Mu is best with 40 gram drug effects, and 3 days average preventive effects rose to 88% in 79.4%, 7 day behind the medicine, still up to 91.9%, all obviously is better than the effect of mu drug effect of the contrast agents Mobucin of using 100ml and other processing to the 15th day drug effect.
Hence one can see that 30% thiophene worm piperazine. malathion WG is the good medicament of control paddy rice small brown rice planthopper, and small brown rice planthopper is a media of propagating stripe disease thus, so this mixture insect protected diseases prevention again is significant to the control rice pest.
The field trial of biological example 3 control cotton aphids
Reagent agent 40% thiophene worm piperazine phoxim suspended emulsion (Anhui Huaxing Chemical Co., Ltd. provides)
Contrast agents: 10% Imidacloprid WP (Jiangsu is raised agricultural chemical industry group company and produced purchase)
Controlling object: cotten aphid (mostly be 2～3 if age aphid, less for becoming aphid)
Crop: cotton, cotton assorted No. 1
Adopt the WS type to bear the moving sprayer spray of trial work medicine, every mu to water yield 30kg, evenly the cotton leaf positive and negative of spray spraying, handle 10 milliliters, 20 milliliters and 30 milliliters of reagent agent 40% thiophene worm piperazine phoxim suspended emulsion mu consumptions, contrast agents is 10% Imidacloprid WP, mu consumption 30 grams, and other establishes blank.Investigation insect population radix before the spray medicine, 3 days, 7 days and 10 days investigation prevention effects behind the medicine (insect population go down rate) and proofread and correct preventive effect.
Table 6:40% thiophene worm piperazine phoxim suspended emulsion control cotten aphid field test results (Anhui and county)
Field experiment result's 40% thiophene worm piperazine phoxim suspended emulsion control cotten aphid drug effect as can be known is good, mu with 10g, 20g and 30g medicine after 3 days average preventive effects respectively 86.4%, 90% and 96%, preventive effect improves with the formulation rate increase; Contrast agents 10% Imidacloprid WP preventive effect is that 87.2% only mu is suitable with the 10g drug effect, is lower than the processing of mu with 20g and 30g.Proofreaied and correct preventive effect in 7 days behind the medicine and still be up to 98.1% with mu with 30g, contrast agents is 88.8% suitable with the drug effect 87% of 10g with mu.10 days mu is 91.4% and 97.6% with the preventive effect of 20g, 30g behind the medicine, all is higher than 89% preventive effect of contrast agents Imidacloprid.Reagent agent that hence one can see that 40% thiophene worm piperazine phoxim suspended emulsion is the efficient medicament of control cotten aphid, obviously is better than Imidacloprid, is to substitute the good medicament of Imidacloprid, has the development and application prospect.
Claims (3)
1. insecticides, it is characterized in that, comprise two active components, first active ingredient is a second generation anabasine insecticide thiophene worm piperazine, second active ingredient is a kind of in pyridaphethione, malathion and the phoxim, and the weight ratio of two active ingredients is 1:1-100.
2. Pesticidal combination according to claim 1 is characterized in that, the weight ratio of first active component and second active component is 1:1-30.
3. Pesticidal combination according to claim 1 and 2 is characterized in that containing carrier and/or thinner.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101557638A CN101385460A (en) | 2008-10-15 | 2008-10-15 | Insecticidal composition containing thiamethoxam |
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| CNA2008101557638A CN101385460A (en) | 2008-10-15 | 2008-10-15 | Insecticidal composition containing thiamethoxam |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999399A (en) * | 2010-10-21 | 2011-04-06 | 广州甘蔗糖业研究所 | Sugarcane insecticide containing neonicotinoid insecticide |
| CN102318640A (en) * | 2011-07-13 | 2012-01-18 | 南京扬子鸿利源化学品有限责任公司 | Karbofos emulsion in water and preparation method thereof |
| CN103210953A (en) * | 2013-04-15 | 2013-07-24 | 北京明德立达农业科技有限公司 | Insecticide composition, insecticide and application of insecticide |
| CN106900748A (en) * | 2017-03-14 | 2017-06-30 | 山东省联合农药工业有限公司 | A kind of plant vaccine of phosphorous worm prestige and nicotinic insecticide and preparation method thereof |
| CN107711874A (en) * | 2017-10-06 | 2018-02-23 | 王章修 | It is a kind of containing Diacloden and the granule Pesticidal combination of phoxim and its application |
| CN109362774A (en) * | 2018-12-21 | 2019-02-22 | 吴继松 | Containing Diacloden and phoxim combined type granular insecticide |
-
2008
- 2008-10-15 CN CNA2008101557638A patent/CN101385460A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999399A (en) * | 2010-10-21 | 2011-04-06 | 广州甘蔗糖业研究所 | Sugarcane insecticide containing neonicotinoid insecticide |
| CN102318640A (en) * | 2011-07-13 | 2012-01-18 | 南京扬子鸿利源化学品有限责任公司 | Karbofos emulsion in water and preparation method thereof |
| CN103210953A (en) * | 2013-04-15 | 2013-07-24 | 北京明德立达农业科技有限公司 | Insecticide composition, insecticide and application of insecticide |
| CN106900748A (en) * | 2017-03-14 | 2017-06-30 | 山东省联合农药工业有限公司 | A kind of plant vaccine of phosphorous worm prestige and nicotinic insecticide and preparation method thereof |
| CN107711874A (en) * | 2017-10-06 | 2018-02-23 | 王章修 | It is a kind of containing Diacloden and the granule Pesticidal combination of phoxim and its application |
| CN109362774A (en) * | 2018-12-21 | 2019-02-22 | 吴继松 | Containing Diacloden and phoxim combined type granular insecticide |
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Open date: 20090318 |