CN104824014A - Pesticide composition containing imidacloprid and hexaflumuron - Google Patents
Pesticide composition containing imidacloprid and hexaflumuron Download PDFInfo
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- CN104824014A CN104824014A CN201510273143.4A CN201510273143A CN104824014A CN 104824014 A CN104824014 A CN 104824014A CN 201510273143 A CN201510273143 A CN 201510273143A CN 104824014 A CN104824014 A CN 104824014A
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- hexaflumuron
- imidacloprid
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Abstract
The invention relates to pesticide composition containing imidacloprid and hexaflumuron. The pesticide composition capable of effectively controlling bradysia odoriphaga comprises the imidacloprid, the hexaflumuron and pesticide auxiliaries, wherein the weight ratio of the imidacloprid to the hexaflumuron is 40:1-1:40, and the weight sum of the imidacloprid to the hexaflumuron accounts for 2-80% of the weight percentage concentration of the composition. The composition can be prepared into suspending agent, capsule suspension, emulsifiable concentrate, microemulsion, water dispersible granule, wettable powder, emulsion in water, flowable concentrate for seed coating, granules, pour-on solution, drops, microcapsule suspension-suspending agent, and the like through methods commonly known by technicians. The pesticide composition has the advantages that the composition has evident synergistic effect on the bradysia odoriphaga, chemical use amount can be reduced, cost can be lowered, lasting period can be prolonged, and the composition is high in effect, low in toxicity and low in residue.
Description
Technical field
The present invention relates to technical field of pesticide, particularly a kind of composition pesticide containing Imidacloprid and HEXAFLUMURON.
Background technology
Imidacloprid (Imidacloprid), chemical name is 1-(6-chloro-3-pyridylmethyl)-N-nitroimidazole-2-imines, sterling is crystalline solid.Imidacloprid is developed by Bayer A.G, belongs to anabasine insecticide, optionally can act on the nAChR in insect nerve system, thus destroys the normal conduction of insect nervous centralis, causes insect to occur paralysis until dead.
HEXAFLUMURON (Hexaflumuron), chemical name is N-[the chloro-4-(1 of 3,5-bis-; 1,2,2-tetrafluoro ethyoxyl) phenyl]-3-(2; 6-fluorobenzene acyl) urea; former medicine is colorless solid, belongs to benzoyl urea insecticide, is the chitin synthesis inhibitor of insect; its mechanism of action suppresses chitin to be formed; hinder insect normally to cast off a skin and metamorphosis, insect eating speed can also be suppressed, have great importance in control of insect.
Bradysia odoriphaga have another name called fragrant-flowered garlic maggot (
bradysia odoriphagayang et Zhang), belong to diptera, Nematocera, eye Sciaridae, Bradysia Sciara.This worm foraging territories is comparatively wide, and can endanger 7 section 30 various vegetables such as Liliaceae, composite family, Chenopodiaceae, Cruciferae, Curcurbitaceae, Umbelliferae, outstanding eating leek is the one of the main reasons causing the current leek underproduction.The organic phosphates medicament such as Long-Time Service chlopyrifos, phoxim in production, due to the generation of pest resistance to insecticide, peasant has to repeatedly, Use out of range agricultural chemicals, causes residue of pesticide to exceed standard, to such an extent as to occurs food-safety problems such as " malicious leek ".Therefore, efficient, safe medicament is screened very necessary.
Summary of the invention
Prevent and treat Bradysia odoriphaga drug effect difference and formulation rate is large for solving in prior art, thus cause residue of pesticide to exceed standard, environmental pollution, problem that dispenser cost is high, the invention provides a kind of composition pesticide containing Imidacloprid and HEXAFLUMURON.
Technical scheme of the present invention is:
A kind of composition pesticide, active ingredient is Imidacloprid and HEXAFLUMURON.
As preferably, the mass ratio of active ingredient Imidacloprid and HEXAFLUMURON is 1:40-40:1.
Further, the mass ratio of active ingredient Imidacloprid and HEXAFLUMURON is 1:10-10:1.In order to determine the co-toxicity of pharmaceutical composition of the present invention to Bradysia odoriphaga, carry out co-toxicity research, result shows that Imidacloprid is mixed with HEXAFLUMURON and has obvious synergistic effect to Bradysia odoriphaga, and synergy is the most obvious in this proportion.
As preferably, active ingredient Imidacloprid and the mass fraction of HEXAFLUMURON in described composition pesticide are 2%-80%.The percentage by weight of Imidacloprid is 1-40%, and the percentage by weight of HEXAFLUMURON is 1-40%; More preferably the percentage by weight of Imidacloprid is 1-20%, and the percentage by weight of HEXAFLUMURON is 1-20%; More preferably the percentage by weight of Imidacloprid is 1-10%, and the percentage by weight of HEXAFLUMURON is 1-10%; The percentage by weight most preferably being Imidacloprid is 5%, and the percentage by weight of HEXAFLUMURON is 1%.
Preferably, the mass fraction of Imidacloprid in described composition pesticide is 1-10%, and the mass fraction of HEXAFLUMURON in described composition pesticide is 1-10%.
As preferably, described composition pesticide is made up of insecticides adjuvant and active ingredient Imidacloprid, HEXAFLUMURON.That is, except active ingredient, also comprise in composition pesticide in agricultural chemicals and allow to use and acceptable auxiliary element.
Preferably, described insecticides adjuvant comprise wetting agent, dispersant, interleaving agent, stabilizing agent, antifreezing agent, preservative, filler, adhesive one or more.
Preferably, the formulation of described composition pesticide is any one in suspending agent, microcapsule suspending agent, missible oil, suspension emulsion, microemulsion, water dispersible granules, wetting powder, aqueous emulsion, suspension seed-coating agent, granule, dashing agent, drops, microcapsule suspension suspending agent.
The application of described composition pesticide in control Bradysia odoriphaga.
Beneficial effect of the present invention is:
For control Bradysia odoriphaga, composition pesticide of the present invention and two kinds of single doses, than equal notable synergistic, improve control efficiency, can significantly reduce field dosage, effectively reduce environmental pollution and residue of pesticide and reduce costs.Imidacloprid and HEXAFLUMURON are low-toxic agent, and therefore composition pesticide of the present invention is a kind of composition pesticide of high-efficiency low-toxicity.
In addition, Imidacloprid is different with the mechanism of action of HEXAFLUMURON, all has good insecticidal activity to each worm state (ovum, larva, pupa etc.) of Bradysia odoriphaga, especially improve the preventive effect to high instar larvae, and the lasting period is long, can times for spraying be reduced, drug-fast generation can be delayed simultaneously.
Embodiment
Example of formulations
Percentage composition in embodiment is weight percentage.
Embodiment 1:10% Imidacloprid+10% HEXAFLUMURON suspending agent
The former medicine 10% of 95% Imidacloprid
The former medicine 10% of 98% HEXAFLUMURON
Triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer 4%
Alkylphenol polyoxyethylene 1%
Calcium lignosulfonate 2%
Xanthans 0.15 %
Ethylene glycol 2%
Water complements to 100%
By the ratio mixing of each components such as active component, dispersant, wetting agent and water according to formula, through 10000r/min high speed shear 5 minutes evenly, add sand mill and be ground to required particle diameter (average grain diameter is less than 3 microns), make 10% Imidacloprid+10% HEXAFLUMURON suspending agent.
Embodiment 2:15% Imidacloprid+3% HEXAFLUMURON suspending agent
The former medicine 15% of 95% Imidacloprid
The former medicine 3% of 98% HEXAFLUMURON
Triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer 4%
Alkylphenol polyoxyethylene 1%
Calcium lignosulfonate 2%
Xanthans 0.15 %
Ethylene glycol 2%
Water complements to 100%
By the ratio mixing of each components such as active component, dispersant, wetting agent and water according to formula, through 10000r/min high speed shear 5 minutes evenly, add sand mill and be ground to required particle diameter (average grain diameter is less than 3 microns), make 15% Imidacloprid+3% HEXAFLUMURON suspending agent.
Embodiment 3:4% Imidacloprid+20% HEXAFLUMURON suspending agent
The former medicine 4% of 95% Imidacloprid
The former medicine 20% of 98% HEXAFLUMURON
Polycarboxylate 3%
Naphthalene sulfonic acid-formaldehyde condensation product 3%
Alkylphenol polyoxyethylene 1%
Xanthans 0.15 %
Ethylene glycol 2%
Water complements to 100%
By the ratio mixing of each components such as active component, dispersant, wetting agent and water according to formula, through 10000r/min high speed shear 5 minutes evenly, add sand mill and be ground to required particle diameter (average grain diameter is less than 3 microns), make 4% Imidacloprid+20% HEXAFLUMURON suspending agent.
Embodiment 4:1.7% Imidacloprid+0.3% HEXAFLUMURON granule
Take the former medicine of 1.79 g 95% Imidacloprid, the former medicine of 0.31 g 98% HEXAFLUMURON; 97.85g kaolin; fully mix; add 15 g 1% polyvinyl alcohol water solution mixings again; make softwood, by the softwood made, through Squeezinggranulator granulation; dry, namely form the Imidacloprid HEXAFLUMURON granule of 2%.
Embodiment 5:16.7% Imidacloprid+3.3% HEXAFLUMURON wetting powder
The former medicine 16.7% of 95% Imidacloprid
The former medicine 3.3% of 98% HEXAFLUMURON
Lauryl sodium sulfate 2%
Sodium lignin sulfonate 5%
Kaolin 73%
Said components is mixed, through air-flow crushing, namely forms 20% Imidacloprid HEXAFLUMURON wetting powder.
Embodiment 6:5% Imidacloprid+1% HEXAFLUMURON microcapsule suspension suspending agent
The present embodiment prepares microcapsule suspension suspending agent in accordance with the following methods, and concrete steps are as follows:
By the former medicine of 2.04g 98% HEXAFLUMURON, then add 20g dimethylbenzene and 10g methyl alcohol, then add 2.50 g toluene di-isocyanate(TDI)s and 1.25 g PEG 400, fully stir evenly, as oil phase; By 0.2 g triphenyl vinyl phenol APEO, 3 g sodium lignin sulfonates and 0.1 g polyvinyl alcohol and 58.77 g water Homogeneous phase mixing, obtain aqueous phase; Oil phase is mixed with water, and uses high-shear homogenizer emulsification pretreatment, obtains stable O/W emulsion; O/W emulsion is transferred in flask, stirs with the speed of 200 revs/min, be warmed up to 65 DEG C, react 4 hours, with acetic acid adjust ph 6-6.5; Add 2 g ethylene glycol and 0.14 g xanthans stirs, namely obtain 2% HEXAFLUMURON microcapsule suspending agent.
Take the former medicine of 10.53g 95% Imidacloprid, 5g styrene phenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether, 3g calcium lignosulfonate, 1.5g polyoxyethylene nonylphenol ether, 0.14g xanthans, 3g ethylene glycol, silicone defoaming agent 0.2g, water supplies 100g.Take each component according to above-mentioned formula and be placed in beaker, opening high-speed shearing machine 30 minutes, then sand mill 1500 revs/min grinding, detect sample particle diameter more than 95% at 1-5 micron, average grain diameter, below 3 microns, obtains 10% imidacloprid suspending agent.
2% HEXAFLUMURON microcapsule suspending agent and 10% imidacloprid suspending agent are mixed according to weight ratio 1:1 and namely obtains, 5% Imidacloprid+1% HEXAFLUMURON microcapsule suspension suspending agent.
1 application method:
Adopting and fill with root pesticide application technology, executing evenly rushing with water after preparation preliminarily diluted, liquid consumption about 1.5 × 10
6l/hm
2.
2 plot area and repetition (leek)
Plot area: 30m
2.
Number of repetition: repeat 4 times.
By the group of effective components of different agricultural chemicals synthesis agricultural chemicals, it is the one effectively and efficiently mode of current development novel pesticide.After the pestsides synthesis of different cultivars, be usually expressed as three types: summation action, synergistic effect and antagonism.But it is unpredictable to be specially which kind of effect, only has and could be understood by a large amount of tests.Compound synergic is the important means of integrated control.
The present composition is with Imidacloprid and HEXAFLUMURON for active ingredient, and both have obvious synergistic effect to Bradysia odoriphaga at combination, instead of two kinds of medicines simply add and.Control Bradysia odoriphaga field control effectiveness test is carried out to embodiment 1,2,3, investigates its practical application effect.Investigation method: strain rate of being injured is investigated: every community " Z " font 5 sampling, gets the capable long leek of long 1m, adds up strain number of being injured for often.Control time and number of times: in dispenser 21d and 35d " Invest, Then Investigate " control efficiency, investigate 2 times altogether.
Known by upper table, the pesticide active ingredient total amount in unit are is identical, when HEXAFLUMURON is alone, quick-acting is poor, Imidacloprid and HEXAFLUMURON mixture control Bradysia odoriphaga not only quick-acting height but also have obviously synergistic effect.
Use composition pesticide of the present invention to prevent and treat the method for Bradysia odoriphaga to be: the aqueous suspension agent of said composition, wetting powder being added water in the Bradysia odoriphaga emergence period is made into suspension and executes filling root with water punching, or spray waters use after leek root; The granule of said composition waters after spreading fertilizer over the fields leek root after can adding fine sand mixing use.
Claims (9)
1. a composition pesticide, is characterized in that: active ingredient is Imidacloprid and HEXAFLUMURON.
2. composition pesticide as claimed in claim 1, is characterized in that: the mass ratio of active ingredient Imidacloprid and HEXAFLUMURON is 1:40-40:1.
3. composition pesticide as claimed in claim 2, is characterized in that: the mass ratio of active ingredient Imidacloprid and HEXAFLUMURON is 1:10-10:1.
4. composition pesticide as claimed in claim 1, is characterized in that: active ingredient Imidacloprid and the mass fraction of HEXAFLUMURON in described composition pesticide are 2%-80%.
5. composition pesticide as described in claim 1 or 4, is characterized in that: the mass fraction of Imidacloprid in described composition pesticide is 1-10%, and the mass fraction of HEXAFLUMURON in described composition pesticide is 1-10%.
6. composition pesticide as described in any one of claim 1-4, is characterized in that: described composition pesticide is made up of insecticides adjuvant and active ingredient Imidacloprid, HEXAFLUMURON.
7. composition pesticide as claimed in claim 6, is characterized in that: described insecticides adjuvant comprise wetting agent, dispersant, interleaving agent, stabilizing agent, antifreezing agent, preservative, filler, adhesive one or more.
8. composition pesticide as claimed in claim 6, is characterized in that: the formulation of described composition pesticide is any one in suspending agent, microcapsule suspending agent, missible oil, suspension emulsion, microemulsion, water dispersible granules, wetting powder, aqueous emulsion, suspension seed-coating agent, granule, dashing agent, drops, microcapsule suspension-suspending agent.
9. the application of composition pesticide in control Bradysia odoriphaga as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510273143.4A CN104824014A (en) | 2015-05-26 | 2015-05-26 | Pesticide composition containing imidacloprid and hexaflumuron |
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| CN201510273143.4A CN104824014A (en) | 2015-05-26 | 2015-05-26 | Pesticide composition containing imidacloprid and hexaflumuron |
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Citations (5)
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| CN1889842A (en) * | 2003-12-05 | 2007-01-03 | 拜尔农作物科学股份公司 | Synergistic insecticide mixtures |
| CN102264232A (en) * | 2008-12-31 | 2011-11-30 | 马克特辛姆化学工厂有限公司 | Method for controlling insects in plants |
| CN102387705A (en) * | 2009-03-05 | 2012-03-21 | 加特微胶囊股份公司 | Oil dispersions of nAChR-binding neonicotinoids |
| CN104472520A (en) * | 2014-12-08 | 2015-04-01 | 山东农业大学 | Pesticide composition containing pyriproxyfen and hexaflumuron |
| CN104621120A (en) * | 2015-01-13 | 2015-05-20 | 山东农业大学 | Pesticide composition and application thereof |
-
2015
- 2015-05-26 CN CN201510273143.4A patent/CN104824014A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889842A (en) * | 2003-12-05 | 2007-01-03 | 拜尔农作物科学股份公司 | Synergistic insecticide mixtures |
| CN102264232A (en) * | 2008-12-31 | 2011-11-30 | 马克特辛姆化学工厂有限公司 | Method for controlling insects in plants |
| CN102387705A (en) * | 2009-03-05 | 2012-03-21 | 加特微胶囊股份公司 | Oil dispersions of nAChR-binding neonicotinoids |
| CN104472520A (en) * | 2014-12-08 | 2015-04-01 | 山东农业大学 | Pesticide composition containing pyriproxyfen and hexaflumuron |
| CN104621120A (en) * | 2015-01-13 | 2015-05-20 | 山东农业大学 | Pesticide composition and application thereof |
Non-Patent Citations (3)
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| 慕卫 等: "杀虫剂对韭菜迟眼蕈蚊毒力与药效相关性研究", 《农药学学报》 * |
| 郭志刚: "苯甲酰基脲类杀虫剂对两种盲蝽象的生物活性", 《中国优秀硕士学位论文全文数据库 农业科学辑》 * |
| 韩宝红: "防治苏州乳白蚁的灭蚁灵替代药剂筛选研究", 《中国优秀硕士学位论文全文数据库 农业科学辑》 * |
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Application publication date: 20150812 |