CN110352966A - A kind of composition pesticide and application thereof containing guadipyr - Google Patents
A kind of composition pesticide and application thereof containing guadipyr Download PDFInfo
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- CN110352966A CN110352966A CN201810926070.8A CN201810926070A CN110352966A CN 110352966 A CN110352966 A CN 110352966A CN 201810926070 A CN201810926070 A CN 201810926070A CN 110352966 A CN110352966 A CN 110352966A
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- Prior art keywords
- guadipyr
- active constituent
- pesticide
- nylar
- composition
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
- A01N47/44—Guanidine; Derivatives thereof
Abstract
The present invention relates to a kind of composition pesticide containing guadipyr, including a effective amount of active constituent guadipyr and Nylar, remaining for allow in pesticide using with acceptable auxiliary element.Wherein, the weight fraction ratio of active constituent guadipyr and Nylar is 30: 1-1: 10.Composition provided by the invention is to the sucking pest on rice and vegetables, especially there is the significant synergistic effect of synergy to the prevention and treatment of rice hoppers and vegetables trialeurodes vaporariorum, quick-acting is good, and the lasting period is long, and the generation of pest resistance to insecticide can be delayed, it is particularly suitable for the improvement of resistant insect.
Description
Technical field
The present invention relates to field of pesticide preparation, and in particular to a kind of composition pesticide of excellent insecticidal effect, in particular to
A kind of composition pesticide killing sucking pest containing guadipyr and pyriproxyfen compound.
Background technique
Sucking pest polypide very little or even minimum, but reproduction speed is fast, majority concentrates covering plant surfaces to cause harm,
And initial stage of causing harm is not easy to be found；Host range is wide for sucking pest, and whole year generation is more from generation to generation, easily propagates by various media
Diffusion, is easy to produce drug resistance；Most sucking pests are all communication media or the carrier of pathogenic microorganism.
Planthopper, Homoptera Delphacidae pest remove piercing and sucking plant juice hazard rice, so that rice plant growth is obstructed outer,
Rice clump is agglomerating withered when serious, or even the dead stalk lodging in full field is outer, and oviposition can also stab plant conducting tissue, interfere nutriment
It transports and propagates disease.
Trialeurodes vaporariorum, Semiptera Aleyrodidae pest, trialeurodes vaporariorum are various to crop and causing harm for vegetable or flower.Trialeurodes vaporariorum
Except continuous water of sucking lacks plant carbohydrates, yield is influenced, and toxin is injected in sucking plant juice
Inside and outside plant, trialeurodes vaporariorum can also largely secrete honeydew in plant blade back, cause fungi mass propagation, influence plant and normally exhale
Inhaling influences its commodity value to reduce vegetables fruit quality with light and effect.Trialeurodes vaporariorum or various crop virosis simultaneously
Vector.
Guadipyr (Guadipyr) is that anabasine and contracting amine urea insecticide are passed through MOLECULE DESIGN and the sub- knot of activity
The method of structure splicing, active structure is populated into same molecule, it is made to have both nicotinoids and sodium-ion channel inhibitor feature
New and effective Pesticidal compound.The unique insecticidal mechanism of guadipyr makes it taller and more erect than the preventive effect of anabasine insecticide
It is more more long with the lasting period.
Nylar (pyriproxyfen) also known as the young precious or pyriproxyfen that goes out, chemical name are 4- phenoxy phenyl (RS) -2- (2-
Pyridyl group oxygen) propyl ether, it is that phenylate class upsets the growth regulator of insect growth, belongs to the novel of juvenoid and kill
Worm agent has interior suction transfer activity, low toxicity, lasting period long, less toxic, small to eco-environmental impact to fish to crop safety
Feature.
Currently, the pesticidal preparations that can prevent and treat above-mentioned pest simultaneously are seldom.Therefore newly efficient, less toxic, environmentally friendly is developed
Compounded pesticides prevention and treatment planthopper and trialeurodes vaporariorum have great importance, and by the different guadipyr of the mechanism of action each other and pyrrole
Prevention and treatment after propyl ether compounded combination applied to sucking pest has not been reported.
Summary of the invention
In view of this, the present invention provides a kind of composition pesticide and application thereof containing guadipyr.It is provided by the invention
Composition shows significant synergistic effect in given range, and preventive effect is apparently higher than single dose, and the composition is to planthopper
It is especially pronounced with vegetables trialeurodes vaporariorum preventive effect.
To achieve the goals above, the present invention the following technical schemes are provided:
The present invention provides a kind of composition pesticides containing guadipyr, including a effective amount of active constituent I and activity
Ingredient II, wherein active constituent I is guadipyr, and active constituent II is Nylar.
Further, the weight fraction ratio of the active constituent I in the composition pesticide and active constituent II is 30: 1~1
:10；It is highly preferred that the weight fraction ratio of active constituent I and active constituent II in the composition pesticide are 20: 1~1: 5；
It is highly preferred that the active constituent I and active constituent II weight fraction ratio in the composition pesticide are 5: 1.
Further, the sum of the two weight of the active constituent I in the composition pesticide and active constituent II accounts for combination
The percentage of object total weight is 1%~90%, remaining for allow in pesticide using with acceptable auxiliary element.
Further, the composition pesticide can add active constituent I and active constituent II according to the needs of actual production
Enter auxiliary agent and excipients so that agriculturally any one adaptable dosage form is made；It is highly preferred that the dosage form is missible oil, suspends
Agent, wettable powder, water dispersible granules, aqueous emulsion or micro-emulsion form.
Composition provided by the invention is applied to prevention and treatment sucking pest.
Further, composition pesticide of the present invention application kind, the sucking pest be planthopper and
Trialeurodes vaporariorum.
Compared with prior art, beneficial effect is composition pesticide of the invention:
1, the two kinds of active components in composition, which combine, has apparent synergistic effect, improves control efficiency, reduces
The dosage of active constituent has good preventive effect to planthopper and trialeurodes vaporariorum；
2, composition is compounded by the compound of different role mechanism, has effectively delayed the generation of pest resistance to insecticide, is extended
The service life of medicament, to the comprehensive treatment important in inhibiting of pest；
3, composition safety of the invention is good, to beneficial insect safety, meets the security requirement of pesticidal preparations, together
When, reduce the times for spraying of the entire season of growth, reduces control cost and pesticide to the adverse effect of ecological environment.
Specific embodiment
In order to keep the objectives, technical solutions, and advantages of the present invention more concise, below with reference to embodiment to the present invention
Content be described further, but the present invention is by no means limited to these examples.Presented below is only that the present invention is relatively good
Case study on implementation is used only to describe the present invention, and is not to be construed as limitation of the scope of the invention.
It should be noted that if not specified in following each embodiments be all made of 96% guadipyr raw medicine, 98%
Nylar raw medicine.
(1) formula and formulation examples
Embodiment 1:22% guadipyr Nylar missible oil
By active constituent raw medicine, emulsifier and solvent etc., sequentially add reaction kettle by formula rate, stir evenly to get
22% guadipyr Nylar missible oil.(mass ratio of guadipyr and Nylar is 10: 1)
Embodiment 2:24% guadipyr Nylar suspending agent
By active constituent raw medicine, dispersing agent, antifreeze, thickener and defoaming agent etc., reaction is sequentially added by formula rate
It is finely ground in kettle, it mixes by high speed shear to get 24% guadipyr Nylar suspending agent.(guadipyr and Nylar
Mass ratio be 5: 1)
Embodiment 3:22% guadipyr Nylar microemulsion
Active constituent raw medicine, auxiliary agent and solvent agent etc. are added together and are dissolved into homogeneous oil phase, is slowly added to water under stirring
In, then the agitated rapid phase inversion of heating, it is cooled to room temperature to get 22% guadipyr Nylar microemulsion.(guadipyr and
The mass ratio of Nylar is 1: 1)
Granula can be dispersed in example 4:32% guadipyr Nylar
Above-mentioned raw materials are uniformly mixed, air-flow crushing, be added suitable quantity of water simultaneously mediate, resulting mixture pelleting to get
Granula can be dispersed in 32% guadipyr Nylar.(mass ratio of guadipyr and Nylar is 15: 1)
Example 5:24% guadipyr Nylar aqueous emulsion
Raw medicine, cosolvent, emulsifier are added together, make to be dissolved into homogeneous oil phase, remainder water is as water phase；In height
Under speed stirring, is mutually mixed oily with water phase, 24% guadipyr Nylar aqueous emulsion is made.(guadipyr and Nylar
Mass ratio is 1: 5)
Granula can be dispersed in embodiment 6:90% guadipyr Nylar
Above-mentioned raw materials are uniformly mixed, air-flow crushing, be added suitable quantity of water simultaneously mediate, resulting mixture pelleting to get
Granula can be dispersed in 32% guadipyr Nylar.(mass ratio of guadipyr and Nylar is 30: 1)
Embodiment 7:
1% guadipyr Nylar missible oil
By active constituent raw medicine, emulsifier and solvent etc., sequentially add reaction kettle by formula rate, stir evenly to get
22% guadipyr Nylar missible oil.(mass ratio of guadipyr and Nylar is 1: 1)
(2) indoor biological activity assay of the present composition and field efficacy verifying
1, indoor toxicity test
1) using rice hoppers as subjects, using spray-on process, culture dish is placed in Potter spray tower and is tried to get to the heart of a matter progress
Metered dose, spray value 1ml, taking-up test worm is raised after medical fluid settles 1min.Every processing is no less than 4 repetitions, and sets
Blank control.Test worm death condition is checked after processing 96 hours.Measure the synergy of guadipyr and Nylar different proportion compounding
Act on size.The co-toxicity coefficient (CTC value) of compound drug mixture is calculated according to Sun Yunpei's Method:
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent) × 100
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent
Co-toxicity coefficient (CTC)=ATI/TTI × 100
According to the criteria for classifying of co-toxicity coefficient (CTC), CTC≤80 are antagonism, and 80 < CTC < 120 are summation action
CTC >=120 are synergistic effect.
The indoor toxicity test of 1 guadipyr of table and pyriproxyfen compound in rice hoppers
It can be obtained from table 1, guadipyr and Nylar compound between 30: 1-1: 10, to rice hoppers
The co-toxicity coefficient of prevention and treatment is all larger than 120, shows that guadipyr and pyriproxyfen compound can tables in 20: 1-1: 20 ratio range
Reveal apparent synergistic effect, not simple addition, between especially 20: 1-1: 5, synergistic effect is obvious, altogether poison system
Number is 130 or more.
2) using the trialeurodes vaporariorum on eggplant as subjects, using spray-on process, culture dish is placed in Potter spray tower and is tried to get to the heart of a matter
Metered dose is carried out, test worm is taken out after spray value 1ml, medical fluid sedimentation 1min and is raised.Every processing is no less than 4 repetitions,
And set blank control.Test worm death condition is checked after processing 96 hours.What measurement guadipyr and Nylar different proportion compounded
Synergistic effect size.The co-toxicity coefficient (CTC value) of compound drug mixture is calculated according to Sun Yunpei's Method:
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent) × 100
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent
Co-toxicity coefficient (CTC)=ATI/TTI × 100
According to the criteria for classifying of co-toxicity coefficient (CTC), CTC≤80 are antagonism, and 80 < CTC < 120 are summation action,
CTC >=120 are synergistic effect.
The indoor toxicity test of 2 guadipyr of table and pyriproxyfen compound on eggplant trialeurodes vaporariorum
It can be obtained from table 2, guadipyr and Nylar compound between 30: 1-1: 10, to eggplant trialeurodes vaporariorum
Prevention and treatment can show apparent synergistic function, not simple addition, the range between especially 20: 1-1: 5
Interior, synergistic effect is the most obvious, and co-toxicity coefficient is 130 or more.
2, the field trial of guadipyr and pyriproxyfen compound prevention and treatment rice hoppers
Test uses field spray method.It is administered at plant hopper insect population hundred clumps 1000~2000,4 weights are arranged in every group of medicament
It is multiple, it is every to repeat area 50m2；Every cell is 10~20 points of jump method investigation parallel, 2 clumps every, shakes or pats rice clump, count rice
The plant hopper number of floating on water between clump, calculates decline rate.Insect population investigation is first carried out, then according to the extension rate of experimental design
Even spraying is carried out with application method.It investigates within 1 day, 3 days and 7 days after medicine, calculates preventive effect.Wherein, 22% penta pyrrole worms
Guanidine Nylar EC (10: 1), 22% guadipyr Nylar ME (1: 1), 24% guadipyr Nylar SC (5: 1) are
Embodiment 1, embodiment 3, embodiment 2 are prepared.
3 guadipyr of table and pyriproxyfen compound are to rice hoppers field efficacy
It can be obtained from table 3, guadipyr and pyriproxyfen compound have synergistic function to rice hoppers prevention and treatment, after application
1 day, each compound drug to the preventive effects of rice hoppers all 90% or more, higher than guadipyr single dose preventive effect 80.21.% and
The preventive effect 75.31% of Nylar single dose, quick-acting improves after illustrating guadipyr and pyriproxyfen compound；7 days after medicine, each compound medicine
For the preventive effect of agent all 90% or more, up to 95.33%, the lasting effect of guadipyr and pyriproxyfen compound is better than Nylar single dose
Preventive effect 87.53% and guadipyr single dose preventive effect 72.11%, illustrate that the lasting effect of guadipyr and pyriproxyfen compound is significant
It improves.It is best to rice hoppers field efficacy wherein when guadipyr and Nylar mass ratio are 5: 1.
3, the test of guadipyr and pyriproxyfen compound prevention and treatment eggplant Trialeurodes vaporariorum Westwood
Test uses field spray method.Carry out test on big shed eggplant, every group of medicament is arranged 4 repetitions, repeats every time
Area 20m2, around set protection strain；It investigates every time and at least demarcates 10 plants of crops in every cell, in the case where letting alone insect,
The leaf back side must be gone through.Record is living at borer population, checks leaf when generally adult is less movable in the morning；Insect population is calculated to subtract
Move back rate.Insect population investigation is first carried out, then carries out even spraying according to the extension rate of experimental design and application method.Respectively
It investigates within 1 day, 3 days and 7 days after medicine, calculates preventive effect.Wherein, 22% guadipyr Nylar EC (10: 1), 22% penta pyrrole worms
Guanidine Nylar ME (1: 1), 24% guadipyr Nylar SC (5: 1) are embodiment 1, embodiment 3, embodiment 2 are prepared into
It arrives.
4 guadipyr of table and pyriproxyfen compound are to Trialeurodes vaporariorum Westwood field efficacy
It can be obtained from table 4, guadipyr and pyriproxyfen compound have synergistic function to the Trialeurodes vaporariorum Westwood prevention and treatment of eggplant,
1 day after application, each compound drug to the preventive effect of Trialeurodes vaporariorum Westwood all 90% or more, higher than the preventive effect of guadipyr single dose
82.31.% with the preventive effect 50.04% of Nylar single dose, quick-acting is improved after illustrating guadipyr and pyriproxyfen compound；7 after medicine
It, for the preventive effect of each medicament all 90% or more, up to 96.43%, the lasting effect of guadipyr and pyriproxyfen compound is better than pyrrole
The preventive effect 88.12% of propyl ether single dose and the preventive effect 72.11% of guadipyr single dose illustrate holding for guadipyr and pyriproxyfen compound
Effect property significantly improves.It is best to Trialeurodes vaporariorum Westwood field efficacy wherein when guadipyr and Nylar mass ratio are 5: 1.
In conclusion the present invention is using the agriculture obtained after a effective amount of two kinds of active components guadipyr and pyriproxyfen compound
Drug composition has synergistic function, compared with existing single formulation, controlling sucking insects, especially to rice rice
The effect of plant hopper and Trialeurodes vaporariorum Westwood significantly improves, and the lasting period is long, reduces dosage, to crop safety, is worth in agricultural
It is promoted the use of in production.
Claims (9)
1. a kind of composition pesticide containing guadipyr, which is characterized in that including a effective amount of active constituent I and active constituent
II, wherein active constituent I is guadipyr, and active constituent II is Nylar.
2. a kind of composition pesticide containing guadipyr according to claim 1, which is characterized in that the pesticide combination
The weight fraction ratio of active constituent I and active constituent II in object are 30: 1-1: 10.
3. a kind of composition pesticide containing guadipyr according to claim 1, which is characterized in that the pesticide combination
The weight fraction ratio of active constituent I and active constituent II in object are 20: 1-1: 5.
4. a kind of composition pesticide containing guadipyr according to claim 1, which is characterized in that the pesticide combination
The weight fraction ratio of active constituent I and active constituent II in object are 5: 1.
5. a kind of composition pesticide containing guadipyr according to claim 1, which is characterized in that the pesticide combination
The percentage that the sum of both active constituent I and active constituent II in object weight accounts for composition total weight is 1%~90%, remaining
For allow in pesticide using with acceptable auxiliary element.
6. a kind of composition pesticide containing guadipyr according to claim 1, which is characterized in that the pesticide combination
Object can be made into any one dosage form on pesticide.
7. a kind of composition pesticide containing guadipyr according to claim 6, which is characterized in that the pesticide combination
The dosage form that object can be made into is missible oil, suspending agent, wettable powder, water dispersible granules, aqueous emulsion or micro-emulsion form.
8. a kind of application of the composition pesticide containing guadipyr, which is characterized in that the pierce-suck type applied to prevention and treatment crops
Pest.
9. the application of composition pesticide according to claim 8, which is characterized in that the rice rice applied to prevention and treatment crops flies
Lice and trialeurodes vaporariorum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810926070.8A CN110352966A (en) | 2018-08-11 | 2018-08-11 | A kind of composition pesticide and application thereof containing guadipyr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810926070.8A CN110352966A (en) | 2018-08-11 | 2018-08-11 | A kind of composition pesticide and application thereof containing guadipyr |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110352966A true CN110352966A (en) | 2019-10-22 |
Family
ID=68212952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810926070.8A Withdrawn CN110352966A (en) | 2018-08-11 | 2018-08-11 | A kind of composition pesticide and application thereof containing guadipyr |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110352966A (en) |
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2018
- 2018-08-11 CN CN201810926070.8A patent/CN110352966A/en not_active Withdrawn
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Application publication date: 20191022 |