CN104186528B - A kind of composition pesticide containing imidaclothiz and Nitenpyram - Google Patents
A kind of composition pesticide containing imidaclothiz and Nitenpyram Download PDFInfo
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- CN104186528B CN104186528B CN201410406807.5A CN201410406807A CN104186528B CN 104186528 B CN104186528 B CN 104186528B CN 201410406807 A CN201410406807 A CN 201410406807A CN 104186528 B CN104186528 B CN 104186528B
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- imidaclothiz
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Abstract
The invention discloses a kind of composition pesticide containing imidaclothiz and Nitenpyram, active ingredient is imidaclothiz and Nitenpyram, and remaining is conventional pesticidal preparations auxiliary element, and the weight ratio of imidaclothiz and Nitenpyram is 1:10~10:1, the percentage by weight of imidaclothiz and Nitenpyram weight summation in Herbicidal combinations is 5%~90%.Composition pesticide of the present invention has obvious synergistic function, prevention effect is substantially better than single dose exclusive use, while reducing Pesticide use amount, reduces residual quantity of the agricultural chemicals on crops, the pollution to environment is alleviated, has delayed the drug-fast generation of pest and disease damage.
Description
Technical field
It is specifically a kind of using imidaclothiz and Nitenpyram to have the present invention relates to composition pesticide and its application field
Composition composition pesticide is imitated, the sucking pest on preventing and treating crops is mainly used in.
Background technology
The resistance problem of agricultural pests is a global problem, is always the emphasis class of agricultural science and technology worker concern
Topic.With the continuity year in year out of Chemical Control of Harmful Insects, the increase of Pesticide use amount and not scientifical use agricultural chemicals, insect
Resistance is increasingly serious, and the pest species for producing resistance are on the increase.Meanwhile, the use agricultural chemicals of high intensity causes agricultural product agricultural chemicals
Exceeded, environmental pollution and the increase of peasant's drug cost etc. are remained, is unfavorable for agricultural sustainable development.Therefore, research and develop efficiently,
Low toxicity, the insect growth regulator, IGR agricultural chemicals of environmental protection have positive effect to agricultural sustainable development.
Imidaclothiz is second generation anabasine insecticide, with tagging, stomach poison function.Its alternative suppression insect maincenter
Nervous system nicotinic acetylcholine esterase acceptor, and then the normal conduction of insect CNS is blocked, cause insect to occur
Paralysis is dead.Imidaclothiz has very high activity to sucking pest such as aphid, leafhopper, aleyrodid, plant hopper etc..
Nitenpyram mainly acts on insect nerve system, has nerve block effect to the synaptic receptor of insect, certainly
Provide and expand barrier film potential difference after electricity, and cynapse barrier film is stimulated decline, as a result cause the aixs cylinder of nerve to touch membrane potential and lead to
Road, which is stimulated, to be disappeared, and causes insect paralysis dead, and sucking pest such as trialeurodes vaporariorum, aphid, pear sucker, leafhopper, thrips are lived
Property is higher.
The mixture of different pesticide species, is the common methods for preventing and treating agriculture diseases, insect pests and weeds.Screened, screened by formulation of pesticide
Go out rational formula, actual prevention effect can be effectively improved, reduce dosage, reduce cost, delay disease pest and weed drug-fast
Produce, be the important means that agricultural synthesis is administered.The present inventor is goed deep into the recipe determination of imidaclothiz and Nitenpyram
Research, it is found that imidaclothiz and Nitenpyram carry out mixture and have obvious synergistic effect to insect in certain mixed ratio scope,
After further study, the present invention is completed.
The composition and application of imidaclothiz and Nitenpyram there is no report at present.
The content of the invention
It is an object of the invention to solve in the prior art to develop immunity to drugs to insect problem and actual prevention effect it is poor,
Offer is a kind of efficiently, low toxicity, quick-acting are good and the lasting period is long, are conducive to the composition pesticide of integrated pest management.
It is another object of the present invention to the composition pesticide is used for the purposes of agriculturally desinsection.
To solve the above problems, the technical solution adopted in the present invention is：The present invention provides a kind of active ingredient by diuril
The weight ratio of the composition pesticide of quinoline and Nitenpyram composition, imidaclothiz and Nitenpyram is 1:10~10:1.
The composition pesticide that the present invention is provided is made in practical application including aqueous emulsion, microemulsion, suspending agent, wettable
The application forms of pulvis, water dispersible granules, the percentage by weight of imidaclothiz and Nitenpyram weight summation in Herbicidal combinations
For 5%~90%.
The auxiliary agent used in the composition pesticide that the present invention is provided includes solvent, emulsifying agent, wetting agent, stabilizer, scattered
Agent, thickener, pH adjusting agent, defoamer, antifreezing agent, deionized water, filler etc., are all commonly use in Pesticide formulation various
Auxiliary agent, specific composition and consumption are determined according to recipe requirements by simply testing.
The production technology for the various application forms of composition pesticide that the present invention is provided belongs to existing known technology, herein no longer
Repeat.
The composition pesticide that the present invention is provided, is generally used using the method for spraying, can also be as needed using agricultural
Other of upper application use technology.Such as conventional Pesticide use method：Spray-on process, bait method, seed treatment, seed pelleting
Method, soil treatment method, fumigating system, fumigation method, semar technique etc..
The composition pesticide that the present invention is provided, should be noted that in application and is used in insect egg hatching peak period to low instar larvae phase
Medicine.
The composition pesticide that the present invention is provided has the advantages that：
1st, the composition pesticide that the present invention is provided, shows obvious synergistic effect, composition in certain ratio range
Insecticidal effect be significantly improved than single dose, reduce the dosage of agricultural chemicals, reduce cost.
2nd, the active ingredient mechanism of action of Pesticidal combination that the present invention is provided is different, the application of composition can delay or gram
The generation of pest resistance to insecticide is taken, is conducive to the comprehensive regulation of insect.
Embodiment
In order that the objects, technical solutions and advantages of the present invention are more concise, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these embodiments.As described below is only the present invention preferably embodiment, is used only for
The description present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that all in the spirit and principles in the present invention
Within any modifications, equivalent substitutions and improvements for being done etc., should be included in the scope of the protection.Therefore, this hair
The protection domain of bright patent should be determined by the appended claims.
Content described in embodiment is weight percentage.
Assays Example：Imidaclothiz and Nitenpyram are tested the joint toxicity measuring of planthopper.
Test medicine uses 95% imidaclothiz active compound, 95% Nitenpyram active compound.
Planthopper is the rice hoppers nymph gathered from Zhongkai Hi-Tech District, Huizhou City, Guangdong Province Chen Jiang towns Shi Zhen villages field
Worm sources, take back indoor feeding 3 age of 2 generation nymph and make toxicity test worm sources.
Reference《Pesticide bioactivity evaluates SOP》And the method in NY/T1154.11-2008 standards, using infusion process.Choosing
3 plants of fresh water rice seedling is taken, dipping takes out nature and dried after 30 seconds in for reagent liquid, root insulation is encased with wet absorbent cotton, outside
Bag preservative film, is placed in glass (200 × 30mm of Φ), per 4 repetitions of concentration.Then accessed with writing brush with ether light anesthesia
Planthopper 3 age nymph, every pipe 40 ± 2, the mouth of pipe is tightened with white gauze.It is disposed, is placed in observation ward.
According to survey data, the corrected mortality of each processing is calculated.And the co-toxicity coefficient of mixture is calculated according to the abundant methods of Sun Yun
(CTC values).If compareing death rate ＜ 5%, do not correct；The death rate is compareed between 5%~20%, is corrected；Control is dead
Rate ＞ 20%, experiment need to be reformed.It is independent variable x according to the logarithm value of drug concentration (mg/L), with the probit value of corrected mortality
For dependent variable y, virulence regression equation is set up respectively, and the LC of single dose and each proportioning mixture is calculated using DPS softwares50And its mixture
Co-toxicity coefficient.Test worm death condition is checked after 72h, and is recorded, test worm death criterion is that examination is gently contacted with writing brush
Worm is reactionless to be calculated as death.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 ＜
Co-toxicity coefficient (CTC) ＜ 120 shows as summation action.
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent LC50)×100。
Theoretical toxicity index (TTI)=(A percentage composition in A toxicity index × mixture)+(B toxicity index × mixed
B percentage composition in agent).
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100.
The joint toxicity measuring result table of table 1, imidaclothiz and Nitenpyram to planthopper.
| Medicament title and proportioning | LC50(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 are respectively with 10:1、5:1、3：1、1：1、1：3、1：5、1：10 combinations
To planthopper CTC values be 121.63,123.93,131.52,129.10,136.21,136.12,135.74, illustrate imidaclothiz with
Nitenpyram combination has synergistic effect.
Preparation method embodiment 1：20% imidaclothiz Nitenpyram wettable powder.
It is well mixed entering after above-mentioned material in proportion coarse crushing in blender, then i.e. obtained 20% after air-flow crushing
Imidaclothiz Nitenpyram wettable powder.
Preparation method embodiment 2：30% imidaclothiz Nitenpyram water dispersible granules.
By above-mentioned formula, dry pulverization process, granulation, drying, screening preparation system produce 30% imidaclothiz Nitenpyram in proportion
Water dispersible granules.
Preparation method embodiment 3：10% imidaclothiz Nitenpyram suspending agent.
Above-mentioned material is crushed in advance in proportion, adds in sand mill and grinds, system is allocated after high shear mixing
Obtain 10% imidaclothiz Nitenpyram suspending agent.
Preparation method embodiment 4：12% imidaclothiz Nitenpyram aqueous emulsion.
Active compound, solvent, emulsifying agent in above-mentioned formula are dissolved into homogeneous oil phase；Water-soluble component in above-mentioned formula and it will go
Ionized water is mixed to prepare aqueous phase；Under high velocity agitation, oil phase is mixed with water conjunction and 12% imidaclothiz Nitenpyram water and milk is made
Agent.
Field test embodiment 1：Prevent and treat the field test of rice hoppers.
Test site is located at Huizhou Huidong County Ren Shan towns Lao Keng villages, and test period is in May, 2013, using spray
Mist method.Using 10% imidaclothiz wettable powder, 10% Nitenpyram aqua as comparison medicament, experiment is set at 5 medicaments altogether
Manage, each 4 repetitions of processing, in investigating insect population base before dispenser, 3 days after dispenser, respectively investigate a prevention effect within 7 days, record residual
Borer population, calculates prevention effect, and result of the test is as shown in table 2.
Table 2, imidaclothiz and Nitenpyram combination preventing and treating planthopper result of the test.
As can be seen from Table 2,20% imidaclothiz Nitenpyram wettable powder, 30% imidaclothiz Nitenpyram moisture
The effect that shot agent, 10% imidaclothiz Nitenpyram suspending agent prevent and treat rice hoppers is better than 10% imidaclothiz wettable powder
With 10% Nitenpyram aqua, illustrate that imidaclothiz and composition containing nitenpyram improve prevention effect, reduce the use agent of agricultural chemicals
Amount, reduces influence of the agricultural chemicals to environment, reduces drug cost.
Claims (4)
1. a kind of composition pesticide containing imidaclothiz and Nitenpyram, it is characterised in that：Active ingredient is imidaclothiz and alkene pyridine
The weight ratio of worm amine, wherein imidaclothiz and Nitenpyram is 1:10~10:1, imidaclothiz and Nitenpyram weight summation are in agricultural chemicals
Percentage by weight in composition is 5%~90%.
2. a kind of composition pesticide containing imidaclothiz and Nitenpyram according to claim 1, it is characterised in that：It is described
The formulation of composition pesticide be one kind in aqueous emulsion, microemulsion, suspending agent, wettable powder, water dispersible granules.
3. a kind of composition pesticide containing imidaclothiz and Nitenpyram described in claim 1 is in preventing and treating agriculturally insect
Using.
4. a kind of composition pesticide containing imidaclothiz and Nitenpyram according to claim 3 is preventing and treating agriculturally insect
In application, it is characterised 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 |
-
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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