CN107027800A - A kind of Pesticidal combination containing avermectin B2a - Google Patents
A kind of Pesticidal combination containing avermectin B2a Download PDFInfo
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- CN107027800A CN107027800A CN201710384615.2A CN201710384615A CN107027800A CN 107027800 A CN107027800 A CN 107027800A CN 201710384615 A CN201710384615 A CN 201710384615A CN 107027800 A CN107027800 A CN 107027800A
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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
- 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
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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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to a kind of Pesticidal combination containing avermectin B2a, it is characterised in that：Said composition includes the A components and B component two kinds of active components of effective dose, and A components are avermectin B2a, the one kind of B components in Acetamiprid, imidacloprid and pymetrozine；The quality parts ratio of A components and B components is 50:1~1:50；The weight/mass percentage composition of active ingredient is 1 ~ 80% in composition.Available for preventing and treating sucking pest and subterranean pest-insect.The composition of the present invention has obvious synergistic effect, can reduce the usage amount of agricultural chemicals, and delaying drug resistance is produced.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, and in particular to a kind of Pesticidal combination containing avermectin B2a, belongs to agricultural chemicals
Application field.
Background technology
The research of Pesticidal combination is prevented and treated for the service life, the resistance for alleviating target organismses, expansion for extending new varieties of pesticides
Have great importance in terms of spectrum, reduction cost accounting, raising drug effect and environmental safety.Therefore, countries in the world are to agricultural chemicals
The research of mixing is all extremely paid attention to.
Avermectin B2a is that a class has desinsection, mite killing, eelworm-killing activity macrolide disaccharide insecticides, by dry
Nervous physiology activity is disturbed, release r- aminobutyric acids are stimulated, r- aminobutyric acids have inhibitory action to the nerve conduction of arthropod, solve
Occur paralysis symptom after removing, it is inactive not take food.In past decades, AVM mainly studies B1A, but state at present
Inside and outside research shows that B2a also has larger application value.It is prepared by the purification that current Some Domestic producer has obtained avermectin B2a
Method.Result of study shows that avermectin B2a has preferable prevention effect to various pests such as root-knot nematodes.
Imidacloprid（Imidacloprid）It is nicotinoids ultra high efficiency insecticide, with wide spectrum, efficient, low toxicity, low-residual, evil
Worm is not likely to produce resistance, the features such as to people, animal, plant and natural enemies security, and have tag, the multiple action such as stomach toxicity and interior suction；Pyridine
Worm amidine (acetamiprid) belongs to Nitromethylene heterocycle compound, is the representative kind in 2nd generation nicotinic insecticide,
Because its have efficiently, low toxicity, it is environmentally safe the features such as be widely used quickly.It is a variety of to Lepidoptera, Homoptera, Semiptera etc.
Insect has preferable prevention effect；Pymetrozine（Pymetrozine）Belong to pyridines or Triazinone insecticide, be brand-new
Non- killing livestock property insecticide, earliest by Ciba-Geigy company of Switzerland in 1988 develop, pierce-suck type of the product to various crop
Mouthpart insect shows excellent prevention effect.
The nicotinic insecticides such as current imidacloprid, Acetamiprid, pymetrozine be widely used in preventing and treating Lepidoptera, Homoptera,
The various pests such as Semiptera.But with largely using for a long time, nicotinic insecticide generally faces more serious resistance pressure.
To alleviate the resistance development of nicotinic insecticide, our company researcher has found under study for action, by the avermectin B2a of a new generation
It can not only delay the generation of pest resistance to insecticide with the nicotinic insecticide mixture such as Acetamiprid, imidacloprid, pymetrozine, and have
Obvious synergistic effect, can significantly improve the prevention effect of pesticide active ingredient, reduce Pesticide use amount.
The content of the invention
It is an object of the present invention to provide a kind of compound synergic pesticide combination containing avermectin B2a, is carried with reaching
High prevention effect, slows down the purpose of the generation of resistance.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of Pesticidal combination containing avermectin B2a, it is characterised in that：A component of the said composition comprising effective dose and B
Component two kinds of active components, A components are avermectin B2a, the one kind of B components in Acetamiprid, imidacloprid and pymetrozine；
The quality parts ratio of A components and B components is 50:1~1:50；Active ingredient avermectin B2a and B component（Acetamiprid, pyrrole
Worm quinoline or pymetrozine）Gross mass in agricultural chemicals accounts for 1 ~ 80%.
Described Pesticidal combination adds auxiliary agent and excipient is logical according to the method well known to those skilled in the art of the present technique
Cross certain technological means and missible oil, water dispersible granules, microemulsion, soluble liquid is made, available for preventing and treating sucking mouth parts evil
Worm, subterranean pest-insect.
Described missible oil formulation weight percent composition：Avermectin B2a 0.1 ~ 20%, Acetamiprid（Or imidacloprid, pyrrole
Aphid ketone）0.1 ~ 20%, emulsifying agent 5 ~ 15%, cosolvent 1 ~ 10%, solvent supplies 100%.Specifically production stage is：By active ingredient,
Solvent, cosolvent, emulsifying agent mixing, stirring produce the missible oil of respective quality percentage composition.
The dosage form of water dispersible granule weight percent composition：Avermectin B2a 0.1 ~ 20%, Acetamiprid（Or pyrrole worm
Quinoline, pymetrozine）10~80%.Dispersant 0.1 ~ 15%, wetting agent 0.1 ~ 10%, disintegrant 0.1 ~ 30%, binding agent 0.1 ~ 15%, carrier
Complement to 100%.Specifically production stage is：Active ingredient, auxiliary agent, carrier etc. is well mixed, use micro jet powder
It is broken, through mediating, then add and granulated in fluidized-bed granulation dryer, dry, sieve, respective quality percentage composition is made
Water dispersible granules.
Described micro-emulsion form weight percent composition：Avermectin B2a 0.1 ~ 10%, Acetamiprid（Or imidacloprid,
Pymetrozine）0.1 ~ 30%, emulsifying agent 5 ~ 20%, solvent 5% ~ 40%, water complements to 100%.Specifically production stage is：Will effectively into
Point, solvent, emulsifying agent etc. it is well mixed, it is to be dissolved it is uniform after add water stirring.The microemulsion of respective quality percentage composition is made.
Described soluble liquid percetage by weight composition：Avermectin B2a 0.1 ~ 10%, Acetamiprid（Or imidacloprid, pyrrole
Aphid ketone）0.1 ~ 30%, cosolvent 1 ~ 20%, emulsifying agent 1 ~ 20%, solvent complements to 100%.Specifically production stage is：Will effectively into
Divide, solvent, cosolvent, emulsifying agent are mixed, stirring produces the soluble liquid of respective quality percentage composition.
The present composition can be used for preventing and treating sucking pest and subterranean pest-insect, and its application method is by composition
Dress seed, spray, shedding or pouring root is applied to crop.
Brief description of the drawings
Fig. 1 avermectin B2a compound structure schematic diagrames.
It is of the invention compared with other agricultural chemicals, with advantages below：
1st, formulation product of the invention belongs to the compatible agricultural chemicals of high-efficiency low-toxicity, low-residual, environment, meets environmental protection and production nothing
The requirement of public hazards agricultural product production.
2nd, formulation product of the invention have to the subterranean pest-insect such as the suckings pest such as aphid, planthopper and fragrant-flowered garlic maggot compared with
Good prevention effect, synergy is obvious.
3rd, because the mechanism of action of composition active component is different, according to pest resistance insecticide theory and practice, composition
Using the resistance development of avermectin B2a and nicotinoids agricultural chemicals can be delayed, extend its service life.
Embodiment
For the further open rather than limitation present invention, below in conjunction with example, the present invention is described in further detail,
But the present invention is limited to absolutely not these examples.Described once is only the present invention preferably embodiment, is used only for explaining the present invention, but
It is not intended that the limitation to the scope of the claims of the present invention.It should be pointed out that is made within the spirit and principles of the invention appoints
What modification, equivalent substitution or improvement etc., should be included in the scope of the protection, therefore, the protection of patent of the present invention
Scope should be determined by the appended claims.
First, example of formulations
Embodiment 1：12% avermectin B2a acetamiprid EC
By avermectin B2a and Acetamiprid mass percent 1:1 prepares.Take avermectin B2a active compound 6%, Acetamiprid active compound 6%,
Emulsifying agent alkyl phenol formaldehyde resin polyoxyethylene ether phosphate 10%, cosolvent ethanol 10%, pine-seed oil methyl esters is mended to 100%, stirring
Obtain 12% avermectin B2a acetamiprid EC of homogeneous transparent.Through examining avermectin B2a content 6.1%, Acetamiprid content
6.2%, outward appearance homogeneous phase transparent, emulsion stability is good after being mixed with water, cold and hot storage qualified stability.
Acetamiprid can be replaced with to one kind in imidacloprid, pymetrozine, new embodiment is formed.
Embodiment 2：25% avermectin B2a Acetamiprid soluble liquid
By avermectin B2a and Acetamiprid mass percent 1:4 prepare.25% avermectin B2a Acetamiprid soluble liquid.
Take avermectin B2a active compound 5%, Acetamiprid active compound 20%, emulsifying agent styrene phenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether
Phosphate 15%, cosolvent ethanol 10%, solubilizer methyl oleate to 100%.After being uniformly mixed, 10h is stood, is filtered, is made
25% avermectin B2a Acetamiprid soluble liquid.Through examining avermectin B2a content 5.2%, Acetamiprid content 20.1%, water
Divide 1.4%, outward appearance homogeneous phase transparent, property miscible with water is good, cold and hot storage qualified stability.
Acetamiprid can be replaced with to one kind in imidacloprid, pymetrozine, new embodiment is formed.
Embodiment 3：20% avermectin B2a acetamiprid micro emulsion agent
By avermectin B2a and Acetamiprid mass percent 1:7 prepare.Take avermectin B2a active compound 2.5%, Acetamiprid active compound
17.5%, solvent N- ethyl pyrrolidone 20%, adds emulsifying agent styryl phenyl polyoxyethylene ether phosphate triethanolamine
10%, emulsifying agent castor oil polyoxyethylene ether 5%, emulsifying agent calcium dodecyl benzene sulfonate 1% is mixed evenly, adds water and supply
100%, stirring obtains 20% avermectin B2a acetamiprid micro emulsion agent of homogeneous transparent.Through examining avermectin B2a content
2.53%, Acetamiprid content 17.9%, cloud point is less than 60 DEG C, and outward appearance homogeneous phase transparent, property miscible with water is good, and cold heat storage stability is closed
Lattice.
Acetamiprid can be replaced with to one kind in imidacloprid, pymetrozine, new embodiment is formed.
Embodiment 4：70% avermectin B2a acetamiprid water dispersible granules
By avermectin B2a and Acetamiprid mass percent 1:9 prepare.Weigh avermectin B2a active compound 7%, Acetamiprid active compound
63%, wetting agent alkylsulfonate 3%, dispersant sodium lignin sulfonate 6%, disintegrant ammonium sulfate 25%, binding agent polyethylene glycol 2%,
Cornstarch supplies 100%.It is mixed by conventional method, after stirring, is crushed through airslide disintegrating mill and obtains female powder, then
Granulation, drying, sieving obtain 70% avermectin B2a acetamiprid water dispersible granules.Through examining avermectin B2a content 7.1%,
Acetamiprid content 63.2%, moisture 2.2%, screening（Pass through 75 μm）98%, suspensibility 92% continues foaming characteristic（1min）10mL, profit
Moist≤1min, heat storage stability is qualified.
Acetamiprid can be replaced with to one kind in imidacloprid, pymetrozine, new embodiment is formed.
2nd, biological activity determination
In order to further appreciate that avermectin B2a combines the virulence to crop pests with Acetamiprid/imidacloprid/pymetrozine, enter
Substantial amounts of component ratio screening experiment is gone.
Embodiment 5：Indoor single dose toxicity test
Aphid Toxicity Determination is carried out using infusion process, using cotten aphid as target object, using avermectin B2a and Acetamiprid as confession
Reagent agent, the chemicals treatment of 7 concentration of Setup Experiments, each processing is repeated 3 times, often repeatedly examination aphid 30 ~ 35,48 h
Aphid amount of survival is observed afterwards；
Planthopper Toxicity Determination uses rice-stem dipping method, using brown paddy plant hopper 3 age nymph as target object, with avermectin B2a
It is reagent agent with pymetrozine, the chemicals treatment of 7 concentration of Setup Experiments, each processing is repeated 3 times, and is often repeated for examination brown paddy plant hopper
30 ~ 35, brown paddy plant hopper amount of survival is observed after 72 h；
Subterranean pest-insect Toxicity Determination is tagged method using stomach toxicity, using the instar larvae of fragrant-flowered garlic maggot 4 as target object, with AVM
B2a is reagent agent with imidacloprid, and the chemicals treatment of 7 concentration of Setup Experiments, each processing is repeated 3 times, and is often repeated for examination fragrant-flowered garlic
Fragrant-flowered garlic maggot amount of survival is observed after 4 instar larvae of maggot 30 ~ 35,48 h；
Calculate the death rate and corrected mortality.Calculated by virulence regression equation v=a+bx, and carry out Chi-square Test.With machine value
Analytic approach obtain reagent agent it is lethal in dense LC50And its 95% confidence limit.As a result it is as shown in table 1.Avermectin B2a and pyridine worm
LC of the amidine to cotten aphid50Respectively 1.22 mg/l, 4.81 mg/l；Avermectin B2a and LC of the pymetrozine to brown paddy plant hopper50Respectively
For 2.59 mg/l, 7.41 mg/l；Avermectin B2a and LC of the imidacloprid to fragrant-flowered garlic maggot50Respectively 4.28 mg/l, 15.10 mg/
l.Based on this, using the screening using interaction determination method to the optimum proportioning of each target pest.
Single dose toxicity test in the Room of table 1
。
Embodiment 6：Formula indoor is screened
Two kinds of pesticide active ingredients carry out the screening of optimum proportioning using interaction determination method in the present invention.Composition to aphid most
Good proportioning is screened with avermectin B2a with Acetamiprid, to the optimum proportioning of brown paddy plant hopper with avermectin B2a and pymetrozine
Screened, the optimum proportioning of fragrant-flowered garlic maggot is screened with avermectin B2a with imidacloprid.
With single dose A（Avermectin B2a）、B（One kind in Acetamiprid, pymetrozine, imidacloprid）Preliminary survey LC50 values be
Basis, if totally 12 processing are measured for 11 concentration gradients and blank control, wherein respectively two single dose ratios of processing are shown in Table 1
(using respective LC50 values as 100%, then 10 decile, calculates the content in each ratio respectively).
Measurement result calculation formula is as follows:
The actual of expected mortality=A medicament LC50 values × A medicament proportion+B medicament LC50 values
Actual × B medicament proportions；
Toxic effect ratio=actual/expected mortality.Toxic effect ratio>1. 25, synergistic effect；Toxic effect ratio<0.
75, antagonism；Toxic effect ratio ≈ 1, summation action.It the results are shown in Table shown in 2, table 3 and table 4.
Insecticidal effect of the avermectin B2a of the different content of the table 2/Acetamiprid mixture to aphid
。
Remarks：A is avermectin B2a, and B is Acetamiprid
As shown in table 2, avermectin B2a to aphid after Acetamiprid mixture with having higher bioactivity, about 2:1~1:35
In the range of mass ratio, toxic effect ratio is all higher than 1.2 after the two compounding, shows stronger synergistic effect；And about 1:1~1:
In the range of 15 mass ratioes, toxic effect ratio is all higher than 1.4 after the two compounding, shows the synergistic effect become apparent.
Insecticidal effect of the avermectin B2a of the different content of the table 3/pymetrozine mixture to planthopper
。
Remarks：A is avermectin B2a, and B is pymetrozine
Experimental result as shown in table 3, has higher bioactivity after avermectin B2a and pymetrozine mixture to planthopper,
About 3:1~1:In the range of 25 mass ratioes, toxic effect ratio is all higher than 1.2 after the two compounding, shows stronger synergistic effect；And
About 2.5:1~1:In the range of 11 mass ratioes, toxic effect ratio is all higher than 1.4 after the two compounding, shows the synergy become apparent
Effect.
Insecticidal effect of the avermectin B2a of the different content of the table 4/imidacloprid mixture to fragrant-flowered garlic maggot
。
Remarks：A is avermectin B2a, and B is imidacloprid
As shown in table 4, avermectin B2a to fragrant-flowered garlic maggot after imidacloprid mixture with having higher bioactivity, about for experimental result
2.55:1~1:In the range of 32 mass ratioes, toxic effect ratio is all higher than 1.2 after the two compounding, shows stronger synergistic effect；And
About 1.13:1~1:In the range of 14 mass ratioes, toxic effect ratio is all higher than 1.4 after the two compounding, shows the increasing become apparent
Effect is acted on.
3rd, field control effectiveness test is more preferably verifies the practical application effect of the Pesticidal combination of the present invention, by the present invention's
Embodiment preparation carries out prevention and control of aphides aphid, planthopper, the test of pesticide effectiveness of fragrant-flowered garlic maggot respectively.Revision insect recluced rate agent preventive effect is according to following
Formula is calculated：
。
According to Gowing methods to avermectin B2a and Acetamiprid（Or pymetrozine, imidacloprid）Synergy evaluated,
Its formula is as follows：
Eo=X+Y-XY/100
In formula：Theoretical preventive effects of the Eo for insecticide A, B after mixed in formula, percentage preventive effect when X is insecticide A alone, Y is desinsection
Percentage preventive effect when agent B is alone, Eo is avermectin B2a and Acetamiprid（Or pymetrozine, imidacloprid）After being mixed with certain ratio
To the theoretical value or desired value of the prevention effect of target pest；E is avermectin B2a and Acetamiprid（Or pymetrozine, imidacloprid）
To the actual value or observation of the prevention effect of target pest after being mixed with certain ratio；Evaluation criterion：Work as E-Eo>When 10%, table
It is shown as synergistic function；As -10%≤E-Eo≤10%, performance collaboration summation action；Work as E-Eo<When -10%, association is expressed as
Same antagonism.
Embodiment 7：
Control of Aphids place is cotton in Bei Xiaogu villages of Hebei province Handan Qiu Xian, crop, and in blooming, the knot peach phase carries out dispenser,
Application method is blade face even spraying.Per experimental plot using 5 points of samplings, every is investigated 2 plants, is prevented in 7 days statistics medicaments after medicine
Effect is controlled, result of the test is shown in Table 5.
Field efficacy result of the avermectin B2a Acetamiprid complex preparation of table 5 to aphid
。
As seen from Table 5, in embodiment different proportion Mixed Pharmacy, 7d shows excellent preventing and treating effect to cotten aphid after medicine
Really.Single embodiment medicament is compared with single dose, E-EOMore than 10%, 7d prevention effects after obvious synergistic effect, medicine are shown
Preferably, produced in scope of medication without poisoning.Show avermectin B2a with can be used for thorn Xi Shi mouthpart aphids after Acetamiprid compounding
Preventing and treating.
Embodiment 8：
Brown paddy plant hopper test of pesticide effectiveness place is paddy rice in Fuzhou Shi Hunan township of Jiangxi Province, crop.Application method is blade face even spraying.
Per experimental plot using 5 points of samplings, every is investigated 2 plants, and in 7 days statistics effect of chemical control after medicine, result of the test is shown in Table 6.
Field efficacy result of the avermectin B2a Pyraphione compound preparation of table 6 to brown paddy plant hopper
。
As seen from Table 6, in embodiment different proportion Mixed Pharmacy, 7d shows excellent preventing and treating to brown paddy plant hopper after medicine
Effect.Single embodiment medicament is compared with single dose, and E-EO shows obvious synergistic effect more than 10%,；7d is prevented and treated after medicine
Effect is preferable, is produced in scope of medication without poisoning.Show avermectin B2a with can be used for the anti-of brown paddy plant hopper after Pyraphione compound
Control.
Embodiment 9：
Fragrant-flowered garlic maggot test of pesticide effectiveness place is leek in Hebei province Baoding Qingyuan County Chinese chive field, crop, and application method is pouring root.After medicine
20 d use five point sampling investigation statisticses preventive effect.Result of the test is shown in Table 7.
Field efficacy result of the avermectin B2a imidacloprid complex preparation of table 7 to fragrant-flowered garlic maggot
。
As seen from Table 7, in embodiment different proportion Mixed Pharmacy, 20 d show excellent preventing and treating to fragrant-flowered garlic maggot after medicine
Effect.Single embodiment medicament is compared with single dose, E-EOMore than 10%, obvious synergistic effect is shown；20d prevents after medicine
Control effect preferable, produced in scope of medication without poisoning.Show that avermectin B2a can be used for the anti-of fragrant-flowered garlic maggot after being compounded with imidacloprid
Control.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention.For those skilled in the art, without departing from the spirit and scope of the present invention,
Some improvement can also be made, these improvement also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of Pesticidal combination containing avermectin B2a, it is characterised in that：Said composition comprising effective dose A components and
B component two kinds of active components, A components are avermectin B2as, B components in Acetamiprid, imidacloprid and pymetrozine one
Kind；The quality parts ratio of A components and B components is 50:1~1:50.
2. Pesticidal combination according to claim 1, it is characterised in that：Avermectin B2a and B component are in the composition
Gross mass accounts for 1 ~ 80%.
3. Pesticidal combination according to claim 1, it is characterised in that：Missible oil can be made in the Pesticidal combination, micro-
Emulsion, soluble liquid or water dispersible granules conventional pesticide formulation.
4. Pesticidal combination according to claim 3, it is characterised in that described missible oil formulation weight percent composition
For：Avermectin B2a 0.1 ~ 20%, B component 0.1 ~ 20%, emulsifying agent 5 ~ 15%, cosolvent 1 ~ 10%, solvent complements to 100%.
5. Pesticidal combination according to claim 3, it is characterised in that the dosage form of water dispersible granule weight percent
Constitute and be：Avermectin B2a 0.1 ~ 20%, B component 10 ~ 80%, dispersant 0.1 ~ 15%, wetting agent 0.1 ~ 10%, disintegrant 0.1 ~
30%th, binding agent 0.1 ~ 15%, carrier complements to 100%.
6. Pesticidal combination according to claim 3, it is characterised in that described micro-emulsion form weight percent group
Turn into：Avermectin B2a 0.1 ~ 10%, B component 0.1 ~ 30%, emulsifying agent 5 ~ 20%, solvent 5% ~ 40%, water complements to 100%.
7. Pesticidal combination according to claim 3, it is characterised in that described soluble liquid weight percent array
Into：Avermectin B2a 0.1 ~ 10%, B component 0.1 ~ 30%, cosolvent 1 ~ 20%, emulsifying agent 1 ~ 20%, solvent complements to 100%.
8. a kind of purposes of the Pesticidal combination described in claim 1-7 any one, it is characterised in that：For preventing and kill off pierce-suck type
Mouthpart insect aphid, planthopper.
9. the purposes of Pesticidal combination according to claim 8, it is characterised in that：For preventing and kill off subterranean pest-insect.
10. the method for the controlling inscet peste described in a kind of any one of claim 1-7, it is characterised in that mix composition
Plant, spray, shedding or pouring root is applied to crop.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111084190A (en) * | 2019-12-04 | 2020-05-01 | 河北威远生物化工有限公司 | Insecticidal composition containing emamectin benzoate B2a and application thereof |
| CN112400889A (en) * | 2020-12-03 | 2021-02-26 | 中诚国联（河南）生物科技有限公司 | Application of composition containing emamectin benzoate and pymetrozine to prevention and treatment of rice planthopper |
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| CN112400889A (en) * | 2020-12-03 | 2021-02-26 | 中诚国联（河南）生物科技有限公司 | Application of composition containing emamectin benzoate and pymetrozine to prevention and treatment of rice planthopper |
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