CN104186528A - Pesticide composition containing imidaclothiz and nitenpyram - Google Patents
Pesticide composition containing imidaclothiz and nitenpyram Download PDFInfo
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- CN104186528A CN104186528A CN201410406807.5A CN201410406807A CN104186528A CN 104186528 A CN104186528 A CN 104186528A CN 201410406807 A CN201410406807 A CN 201410406807A CN 104186528 A CN104186528 A CN 104186528A
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- imidaclothiz
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Abstract
The invention discloses a pesticide composition containing imidaclothiz and nitenpyram. The pesticide composition is characterized in that the active ingredients are imidaclothiz and nitenpyram in a weight ratio of (1 to 10)-(10 to 1); the rest of the ingredients are common auxiliary ingredients of pesticide preparations; the total weight percent of imidaclothiz and nitenpyram in the herbicide composition is 5-90%. The pesticide composition has obvious synergistic effects, has obviously better control effects than single agents used independently, also reduces the pesticide usage amount and the pesticide residues on crops, reduces environmental pollution and delays the pesticide resistance of diseases and insect pests.
Description
Technical field
The present invention relates to composition pesticide and application thereof, specifically a kind of taking imidaclothiz and Nitenpyram as active ingredient composition pesticide, be mainly used in the sucking pest on control crops.
Background technology
The resistance problem of pest is a global problem, is the emphasis problem that agricultural science and technology worker pays close attention to always.Along with the continuity year in year out of Chemical Control of Harmful Insects, increase and the non-science of agricultural chemicals usage amount are used agricultural chemicals, pest resistance is day by day serious, and the pest species that produces resistance is on the increase.Meanwhile, high-intensity use agricultural chemicals, causes that Practice for Pesticide Residue in Agricultural Products exceeds standard, environmental pollution and the increase of peasant's drug cost etc., is unfavorable for agricultural sustainable development.Therefore, the insect growth regulator, IGR agricultural chemicals of efficient, the low toxicity of research and development, environmental protection has positive effect to agricultural sustainable development.
Imidaclothiz is second generation anabasine insecticide, have tag, stomach poison function.Its alternative inhibition insect central nervous system nicotinic acid nAChR ligands, and then the normal conduction of blocking-up insect central nervous system, cause insect to occur that paralysis is dead.Imidaclothiz has very high activity to sucking pest as aphid, leafhopper, aleyrodid, plant hopper etc.
Nitenpyram Main Function is in insect nerve system, cynapse acceptor to insect has nerve block effect, after spontaneous discharge, expand barrier film potential difference, and finally make cynapse barrier film stimulate decline, result causes neural aixs cylinder to touch barrier film current potential passage stimulates disappearance, cause insect paralysis dead, as higher in trialeurodes vaporariorum, aphid, pear sucker, leafhopper, thrips activity to sucking pest.
The mixture of different pesticide species is common methods of the agriculture disease pest and weed of control.Screening by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the drug-fast generation of disease pest and weed, is the important means that agricultural synthesis is administered.The inventor conducts in-depth research the formula screening of imidaclothiz and Nitenpyram, finds that imidaclothiz and Nitenpyram carry out mixture, in certain mixed ratio scope, insect had to obvious synergistic effect, after further study, has completed the present invention.
The composition of imidaclothiz and Nitenpyram and application there is no report at present.
Summary of the invention
The object of the invention is to solve in prior art to insect develop immunity to drugs problem and actual control efficiency poor, provide a kind of efficient, low toxicity, quick-acting is good and the lasting period is long, is conducive to the composition pesticide of integrated pest management.
Another object of the present invention is the purposes for desinsection in agricultural by this composition pesticide.
For addressing the above problem, the technical solution adopted in the present invention is: the invention provides the composition pesticide that a kind of active ingredient is made up of imidaclothiz and Nitenpyram, the weight ratio of imidaclothiz and Nitenpyram is 1:10～10:1.
Composition pesticide provided by the invention is made the application forms that comprises aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules in the time of practical application, and imidaclothiz and the percentage by weight of Nitenpyram weight summation in Herbicidal combinations are 5%～90%.
The auxiliary agent using in composition pesticide provided by the invention comprises solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., be all various auxiliary agents conventional in Pesticide formulation, concrete composition and consumption require to determine by simple test according to formula.
The production technology of the various application forms of composition pesticide provided by the invention all belongs to existing known technology, does not repeat them here.
Composition pesticide provided by the invention, adopts the method for spraying to use conventionally, also can adopt as required other operation techniques of the upper application of agricultural.Such as conventional agricultural chemicals using method: spray-on process, bait method, seed treatment method, seed pelleting method, soil treatment method, fumigating system, fumigation method, semar technique etc.
Composition pesticide provided by the invention should be noted in the insect ovum hatching peak phase to the medication of low instar larvae phase in the time of application.
Composition pesticide provided by the invention has following beneficial effect:
1, composition pesticide provided by the invention shows obvious synergistic effect in certain ratio range, and the insecticidal effect of composition is significantly improved than single dose, has reduced the using dosage of agricultural chemicals, has reduced cost.
2, the active ingredient mechanism of action difference of Pesticidal combination provided by the invention, the application of composition can delay or overcome the generation of pest resistance to insecticide, is conducive to the comprehensive regulation of insect.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these embodiment.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., within all should being included in protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Content described in embodiment is all weight percentage.
Biologicall test embodiment: imidaclothiz and the Nitenpyram joint toxicity measuring test to rice fulgorid.
Test medicine adopts the former medicine of 95% imidaclothiz, the former medicine of 95% Nitenpyram.
Rice fulgorid is the rice hoppers nymph worm source gathering from field, Shi Zhen village, Chen Jiang town, Zhongkai Hi-Tech District, Huizhou City, Guangdong Province, takes back indoor feeding nymph in 23 age of generation and does toxicity test worm source.
With reference to the method in " pesticide bioactivity is evaluated SOP " and NY/T1154.11-2008 standard, adopt infusion process.Choose 3 strains of fresh water rice seedling, in for reagent liquid, flood after 30 seconds, take out nature and dry, encase root be incubated with wet absorbent cotton, outsourcing preservative film, is placed in glass (Φ 200 × 30mm), and every concentration repeats for 4 times.The rice fulgorid nymph in 3 age of then slightly anaesthetizing with writing brush access ether, 40 ± 2 of every pipes, the mouth of pipe is tightened with white gauze.Be disposed, be placed in observation ward.
According to survey data, calculate the corrected mortality of each processing.And according to the co-toxicity coefficient (CTC value) of the abundant method calculating of Sun Yun mixture.If contrast lethality < 5%, does not proofread and correct; Contrast lethality, between 5%～20%, is proofreaied and correct; Contrast lethality > 20%, test need be reformed.Be independent variable x according to the logarithm value of drug concentration (mg/L), taking the probit value of corrected mortality as dependent variable y, set up respectively virulence regression equation formula, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50and mixture co-toxicity coefficient.After 72h, check examination worm death condition, the line item of going forward side by side, in order to contact gently with writing brush, examination worm is reactionless counts death to the dead criterion of examination worm.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) × 100.
Theoretical toxicity index (TTI)=(percentage composition of A in toxicity index × mixture of A)+(percentage composition of B in toxicity index × mixture of B).
Co-toxicity coefficient (CTC)=[the theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 100.
Table 1, imidaclothiz and the Nitenpyram joint toxicity measuring result table to rice fulgorid.
| Medicament title and proportioning | LC 50(mg/L) | ATI | TTI | CTC |
| Imidaclothiz | 8.57 | 100 | - | - |
| Nitenpyram | 7.24 | 118.37 | - | - |
| Imidaclothiz: Nitenpyram (10:1) | 6.93 | 123.67 | 101.67 | 121.63 |
| Imidaclothiz: Nitenpyram (5:1) | 6.71 | 127.72 | 103.06 | 123.93 |
| Imidaclothiz: Nitenpyram (3:1) | 6.23 | 137.56 | 104.59 | 131.52 |
| Imidaclothiz: Nitenpyram (1:1) | 6.08 | 140.95 | 109.19 | 129.10 |
| Imidaclothiz: Nitenpyram (1:3) | 5.53 | 154.97 | 113.78 | 136.21 |
| Imidaclothiz: Nitenpyram (1:5) | 5.46 | 156.96 | 115.31 | 136.12 |
| Imidaclothiz: Nitenpyram (1:10) | 5.41 | 158.41 | 116.70 | 135.74 |
As can be seen from Table 1, imidaclothiz and Nitenpyram respectively taking 10:1,5:1,3:1,1:1,1:3,1:5,1:10 combination to rice fulgorid CTC value as 121.63,123.93,131.52,129.10,136.21,136.12,135.74, illustrate that imidaclothiz and Nitenpyram combine and have synergistic effect.
Preparation method embodiment 1:20% imidaclothiz Nitenpyram wetting powder.
Above-mentioned material is entered in blender after coarse crushing and mixed in proportion, then after air-flow crushing, make 20% imidaclothiz Nitenpyram wetting powder.
Preparation method embodiment 2:30% imidaclothiz Nitenpyram water dispersible granules.
By above-mentioned formula, 30% imidaclothiz Nitenpyram water dispersible granules is made and is obtained in dry pulverization process, granulation, dry, screening in proportion.
Preparation method embodiment 3:10% imidaclothiz Nitenpyram suspending agent.
Above-mentioned material is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 10% imidaclothiz Nitenpyram suspending agent.
Preparation method embodiment 4:12% imidaclothiz Nitenpyram aqueous emulsion.
Above-mentioned formula Central Plains medicine, solvent, emulsifiers dissolve are become to even oil phase; Water-soluble component in above-mentioned formula and deionized water mixing are made to water; Under high-speed stirred, oil phase and water mixing are made to 12% imidaclothiz Nitenpyram aqueous emulsion.
Field trial embodiment 1: the field trial of preventing and treating rice hoppers.
Test site is positioned at Lao Keng village, Ren Shan town, Huizhou Huidong County, and test period is in May, 2013, adopts spray-on process.Adopt 10% imidaclothiz wetting powder, 10% Nitenpyram aqua medicament in contrast, 5 chemicals treatment are established in test altogether, each processing repeats for 4 times, before dispenser, investigate insect population base, a control efficiency of each investigation in 3 days, 7 days after dispenser, record residual borer population, calculate control efficiency, result of the test is as shown in table 2.
Table 2, imidaclothiz and Nitenpyram combination control rice fulgorid result of the test.
As can be seen from Table 2, the effect that 20% imidaclothiz Nitenpyram wetting powder, 30% imidaclothiz Nitenpyram water dispersible granules, 10% imidaclothiz Nitenpyram suspending agent are prevented and treated rice hoppers is better than 10% imidaclothiz wetting powder and 10% Nitenpyram aqua, illustrate that imidaclothiz and composition containing nitenpyram improve control efficiency, reduce the using dosage of agricultural chemicals, reduce the impact of agricultural chemicals on environment, reduced drug cost.
Claims (4)
1. a composition pesticide that contains imidaclothiz and Nitenpyram, it is characterized in that: active ingredient is imidaclothiz and Nitenpyram, wherein the weight ratio of imidaclothiz and Nitenpyram is 1:10～10:1, and imidaclothiz and the percentage by weight of Nitenpyram weight summation in Herbicidal combinations are 5%～90%.
2. a kind of composition pesticide that contains imidaclothiz and Nitenpyram according to claim 1, is characterized in that: the formulation of described composition pesticide is the one in aqueous emulsion, microemulsion, suspending agent, wetting powder, water dispersible granules.
3. a kind of composition pesticide that contains imidaclothiz and Nitenpyram according to claim 1 is preventing and treating the application in insect in agricultural.
4. a kind of composition pesticide that contains imidaclothiz and Nitenpyram according to claim 3, is characterized in that: described insect is sucking pest.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743989A (en) * | 2009-12-30 | 2010-06-23 | 北京富力特农业科技有限责任公司 | Insecticide injection composition |
| CN102349503A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultra-low-capacity liquid containing imidaclothiz |
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2014
- 2014-08-18 CN CN201410406807.5A patent/CN104186528B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743989A (en) * | 2009-12-30 | 2010-06-23 | 北京富力特农业科技有限责任公司 | Insecticide injection composition |
| CN102349503A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultra-low-capacity liquid containing imidaclothiz |
Non-Patent Citations (2)
| Title |
|---|
| 几种新烟碱类杀虫剂对褐飞虱的防效及用药技术研究 ;程勤海等;《农药研究与应用》;20080625(第03期);全文 * |
| 烯啶虫胺等13种杀虫剂对褐飞虱的室内毒力测定与评价 ;倪珏萍等;《现代农药》;20090810(第04期);全文 * |
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