CN111011391A - Composite insecticidal composition and application thereof - Google Patents
Composite insecticidal composition and application thereof Download PDFInfo
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- CN111011391A CN111011391A CN201911127353.7A CN201911127353A CN111011391A CN 111011391 A CN111011391 A CN 111011391A CN 201911127353 A CN201911127353 A CN 201911127353A CN 111011391 A CN111011391 A CN 111011391A
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- emamectin benzoate
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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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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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
Abstract
The invention provides a composite insecticidal composition and application thereof, belonging to the field of pesticides, wherein the insecticidal composition comprises effective components and auxiliary components, wherein the effective components comprise emamectin benzoate and dicyclopropionate, and the weight ratio of the emamectin benzoate to the dicyclopropionate is 10: 1-1: 30. The effective components of emamectin benzoate and dicyclopropyl tetramine account for 5 to 85 percent of the weight percentage of the insecticidal composition, and the auxiliary components comprise a carrier and an auxiliary agent. The invention has good effect on piercing-sucking pests such as plant hoppers, leafhoppers, thrips and the like on rice, tea, vegetables and fruit trees by reasonably compounding the emamectin benzoate and the dicyclopropyl tetramisole, has more obvious insecticidal effect and obvious synergistic effect compared with a single preparation, reduces the using amount of pesticide, thereby reducing the cost, reducing the environmental pollution, being beneficial to the treatment of the drug resistance of the pests and having larger popularization and application prospects.
Description
Technical Field
The invention belongs to the field of agricultural pesticides, and particularly relates to a composite pesticidal composition and application thereof.
Background
The pesticide varieties containing single active ingredients often have different degrees of defects in the control of agricultural pesticides, such as narrow insecticidal range. Poor control effect, large application amount, and more times, which easily causes drug resistance and aggravates environmental pollution. One approach to controlling agriculturally resistant piercing-sucking pests is to derive new ingredients that are not cross-resistant to existing species. However, the development cost of new active ingredients is high, the development period is long, and the speed of resistance generation of pests cannot be kept up with ever. Other methods such as crop layout adjustment, different pesticide rotation and the like are difficult to really achieve obvious effects in the actual operation process.
The emamectin benzoate has the functions of strengthening nervoses such as glutamic acid and gamma-aminobutyric acid, so that a large amount of chloride ions enter nerve cells, the cell function is lost, nerve conduction is disturbed, the larvae stop feeding immediately after being contacted, irreversible paralysis occurs, and the highest lethality rate is achieved within 3-4 days. Because the pesticide is tightly combined with soil, is not leached, is not accumulated in the environment, can be transferred by cross laminar flow (Translaminar) movement, is easily absorbed by crops and permeates to the epidermis, so that the pesticide has long-term residual effect, has a second insecticidal lethality peak above 10d, and is rarely influenced by environmental factors such as wind, rain and the like.
The dicyclopropionate is a propylene compound, is a pesticide which has a brand-new structure and a brand-new action mechanism and is developed by Nippon Mingzhi pharmaceutical Co-Ltd and Nippon Ri research institute, and has the characteristics of quick response, high efficiency, spectrum and the like. The dicyclopropyl cinquel can quickly inhibit the feeding of insects, and effectively reduce virus diseases and bacterial diseases transmitted by insect vectors; the insecticidal composition is effective to various insect states of pests (is ineffective to eggs), and has excellent leaf penetration capacity; it has unique dosage form and rain wash resistance, and can be used for vegetables, fruit trees, intertillage crops, ornamental plants and the like. In addition, the compound is particularly suitable for preventing and controlling pests which are easy to generate drug resistance, such as peach aphids, cotton aphids and the like; has excellent effect on controlling pests with resistance to nicotinoids, organic phosphorus, pyrethrins and pymetrozine.
The compounding of different kinds of components is the most common method for controlling resistant pests. The different components are compounded, so that the control effect can be improved, the control range is expanded, the using amount of the effective components is reduced, the medication cost is saved, the environmental pollution is reduced, and the method is an important means for comprehensively controlling the piercing-sucking pests. The emamectin benzoate and the dicyclopropyl are both used singly and have certain defects and limitations. At present, no compound drug of the two is available, and the combination effect of other insecticides for preventing and treating piercing-sucking pests is not ideal.
Disclosure of Invention
The invention aims to provide a composite insecticidal composition containing emamectin benzoate and dicyclopropionate and application thereof.
The invention provides a composite insecticidal composition, which comprises effective components and auxiliary components, wherein the effective components comprise emamectin benzoate and dicyclopropionate, and the weight ratio of the emamectin benzoate to the dicyclopropionate is 10: 1-1: 30.
Preferably, the weight ratio of the emamectin benzoate and the dicyclopropyl tetramethrin serving as effective components is 1: 1-10.
Preferably, the effective components of emamectin benzoate and dicyclopropyl tetramine account for 5-85% of the composite insecticidal composition by weight.
Preferably, the auxiliary components include carriers and auxiliaries.
Preferably, the carrier is one or more of water and filler.
Preferably, the adjuvant comprises at least one surfactant.
Preferably, the surfactant is selected from one or more of an emulsifier, a dispersant, a wetting agent or a penetrant.
Preferably, the auxiliary agent further comprises one or more of an antifreeze agent, a thickening agent, a stabilizing agent, a disintegrating agent or an antifoaming agent.
Preferably, the dosage form of the composite insecticidal composition is one or more of suspending agent, wettable powder, water dispersible granules or microemulsion; preferably a suspending agent, water dispersible granules or a microemulsion.
The invention also provides application of the composite insecticidal composition in killing field rice planthoppers.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the composite pesticide composition provided by the invention has obvious synergistic effect because the activity of each component is not simply superposed;
2. the use amount of the effective component of the composite pesticide composition in the field is reduced, the production and use cost is reduced, the pesticide residue and the environmental pollution are reduced, and the harm to beneficial organisms in the environment is obviously reduced;
3. the two effective components in the composite pesticide composition provided by the invention have different action mechanisms, so that the pressure of single selection on pests is reduced, and the composite pesticide composition is favorable for overcoming the resistance generation of the pests and delaying the generation speed of the resistance of the pests.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a composite insecticidal composition, which comprises effective components and auxiliary components, wherein the effective components comprise emamectin benzoate and dicyclopropionate, and the weight ratio of the emamectin benzoate to the dicyclopropionate is 10: 1-1: 30.
In the above embodiments, in order to ensure good insecticidal effect and synergistic effect of the compounded insecticidal composition, the weight ratio of the emamectin benzoate and the dicyclopropionate serving as active ingredients is set to 10:1 to 1: 30. Within the above range, the insecticidal effect of the effective components shows better addition or synergistic effect, for example, the weight ratio of the effective components of emamectin benzoate to dicyclopropionate can be: 10:1, 5:1, 1:1, 1:3, 1:5, 1:10, 1:15, 1:20, 1:25, 1:30, etc. However, it is understood that, depending on the concentration of the active ingredient during the use, the ratio of the emamectin benzoate to the propiconazole can be any value within the above weight ratio range according to the needs of the skilled person.
In a preferred embodiment, the weight ratio of the effective components of emamectin benzoate and dicyclopropyl tetramat is 1: 1-10.
In the above preferred embodiment, the weight ratio of the emamectin benzoate and the diproprionate as the effective components is preferably 1: 1-10, for example, the weight ratio of the emamectin benzoate and the diproprionate as the effective components can be: 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, etc. Within the above preferred ratio, good insecticidal effect can be obtained, and those skilled in the art can select any numerical ratio within the above weight ratio range to prepare the composition.
In a preferred embodiment, the effective components of emamectin benzoate and dicyclopropyl tetramethrin account for 5-85% by weight of the composite insecticidal composition.
In the above preferred embodiment, the content of the emamectin benzoate and the diproprionate in the insecticidal composition is 5-85 wt%, and the specific addition amount can be determined according to the actual application area and type, for example, the mass of the emamectin benzoate and the diproprionate can be 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80% or 85%, or any other value within the above limited range.
In a preferred embodiment, the adjunct ingredients include carriers and adjuvants.
In a preferred embodiment, the carrier is one or more of water and filler.
In a preferred embodiment, the adjuvant comprises at least one surfactant.
In a preferred embodiment, the surfactant is selected from one or more of an emulsifier, a dispersant, a wetting agent or an osmotic agent.
The auxiliary agent comprises a solvent, an emulsifier, a dispersant, a wetting agent, an antifreezing agent, a thickening agent, a stabilizer, a defoaming agent, a disintegrating agent, a filler and the like, and other substances which are beneficial to the stabilization of effective components in the preparation and the exertion of drug effect.
The solvent is selected from one or a mixture of more of N, N-dimethylformamide, cyclohexanone, capramide, solvent oil S-150, environmental protection solvent ETB, ethanol, trimethylcyclohexanone, N-octyl pyrrolidone, N-methyl pyrrolidone, propanol, butanol, ethylene glycol, diethylene glycol, ethylene glycol methyl ether, butyl ether, vegetable oil, mineral oil, ethyl acetate or acetonitrile and the like.
The emulsifier is selected from OP series phosphate (nonylphenol polyoxyethylene ether phosphate), 600# phosphate (phenylphenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate, magnesium alkyldiphenyl ether disulfonate, triethanolamine salt, Nongru 400# (benzyldimethylphenol polyoxyethylene ether), Nongru 700# (alkylphenol formaldehyde resin polyoxyethylene ether), ningru No. 36 (polyoxyethylene phenyl phenol formaldehyde resin), Nongru No. 1600 (polyoxyethylene phenyl ether), ethylene oxide-propylene oxide block copolymer, BY series (castor oil polyoxyethylene ether), Nongru No. 33 (alkylaryl polyoxyethylene polyoxypropylene ether), span series (sorbitan monostearate), Tween series (polyoxyethylene sorbitan ester) or AEO series (fatty alcohol polyoxyethylene ether).
The dispersing agent is selected from one or a mixture of a plurality of polycarboxylate, lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, calcium alkylbenzene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium salt, alkylphenol polyoxyethylene ether, fatty amine polyoxyethylene ether, fatty acid polyoxyethylene ether or glycerin fatty acid ester polyoxyethylene ether.
The wetting agent is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrant F, saponin powder, silkworm excrement or soapberry powder.
The filler is selected from one or a mixture of more of kaolin, diatomite, bentonite, attapulgite, white carbon black, starch or light calcium carbonate.
The thickening agent is selected from one or a mixture of more of gelatin, sodium carboxymethylcellulose, hydroxyethyl cellulose, sodium polyacrylate, modified starch, xanthan gum, bentonite, silicon dioxide and magnesium aluminum silicate.
The antifreezing agent is a mixture consisting of one or more of ethylene glycol, propylene glycol, glycerol or urea.
The defoaming agent is selected from one or a mixture of more of silicone oil, silicone compounds, C10-C20 saturated fatty acid compounds or C8-C10 fatty alcohol compounds.
The disintegrating agent is selected from one or more of bentonite, urea, ammonium sulfate, aluminum chloride, low-substituted hydroxypropyl cellulose, lactose, citric acid, succinic acid or sodium bicarbonate.
The stabilizer is selected from one or more of epoxidized soybean oil, epichlorohydrin, BHT, ethyl acetate and triphenyl phosphate.
In a preferred embodiment, the adjuvant further comprises one or more of an anti-freeze agent, a thickener, a stabilizer, a disintegrant, or a defoamer.
In a preferred embodiment, the dosage form of the composite insecticidal composition is one or more of suspending agent, wettable powder, water dispersible granule or microemulsion; preferably a suspending agent, water dispersible granules or a microemulsion.
The invention also provides application of the composite insecticidal composition in killing field rice planthoppers.
The insecticidal spectrum of the composite insecticidal composition provided by the invention is not limited to rice planthoppers in the field, and meanwhile, the composite insecticidal composition has a good effect of killing various piercing-sucking pests on rice, tea, vegetables and fruit trees, and particularly has a better effect of killing aphids, thrips, leafhoppers and the like.
According to the invention, the compounding of emamectin benzoate and ester analogues such as tetramethrin, allethrin, pyrethroid and the like is tried, experiments are carried out by setting different proportions, but the finally obtained experimental results do not obtain good insecticidal effect, and meanwhile, some ester analogues have the defects of strong irritation, low safety and the like, so that the two finally selected effective components, namely the emamectin benzoate and the dicyclopropionate, are compounded to obtain the composite insecticidal composition, so that the composite insecticidal composition has good synergistic effect and insecticidal effect, also has high safety and is environment-friendly, and has great popularization and application prospects in the field of insecticides.
In order to more clearly and specifically describe the composite insecticidal composition and the application thereof provided by the embodiments of the present invention, the following description will be given with reference to specific embodiments. The percentage in the embodiment is weight percentage, and the treatment dosage of the field drug effect is the dosage of the effective components.
Example 1: 30% water dispersible granule
Q1, composition ratio:
the effective components are as follows: 5% of emamectin benzoate and 25% of dicyclopropyl tetramat;
auxiliary components: 4% of wetting agent sodium dodecyl benzene sulfonate, 4% of dispersant sodium lignosulfonate, 5% of dispersant alkyl naphthalene sulfonate formaldehyde condensate and the balance of filler attapulgite.
Q2, main equipment:
a mixer, a jet mill and an extrusion granulator.
Q3, preparation method:
the effective components of emamectin benzoate and dicyclopropionate are weighed according to the proportion and added into a carrier, and a surfactant and other functional additives are added into the carrier for mixing, and then the mixture is subjected to airflow crushing and granulation to prepare water dispersible granules, namely the finished product of the composite insecticidal composition containing the emamectin benzoate and the dicyclopropionate.
Example 2: 18% suspending agent
P1, composition ratio:
the effective components are as follows: emamectin benzoate 3 percent and dicyclopropyl tetramisole 15 percent;
auxiliary components: 3% of wetting dispersant block polyether, 2% of dispersant carboxylate, 1% of wetting agent methylnaphthalene sulfonate formaldehyde condensate, 0.2% of thickening agent xanthan gum and 2% of thickening agent magnesium aluminum silicate, 5% of antifreezing agent propylene glycol, 0.2% of preservative, 0.2% of defoaming agent and the balance of water.
P2, main equipment:
mixer, shearing machine, horizontal dull polish machine.
P3, preparation method:
weighing the emamectin benzoate and the dicyclopropionate in proportion, mixing with other wetting dispersants, thickeners, antifreezing agents, preservatives, water and the like, adding the mixture into a horizontal sand mill for sand milling for 2-3 h after shearing, adding the defoaming agent, and continuing shearing to prepare a suspending agent product, namely a finished product of the composite insecticidal composition containing the emamectin benzoate and the dicyclopropionate.
Example 3: 12% microemulsion
R1, composition ratio:
the effective components are as follows: 2% of emamectin benzoate and 10% of dicyclopropyl tetramat;
auxiliary components: 20% of environment-friendly solvent ETB, S-15015%, KT emulsifier and agricultural milk 601#And By125 is 5%, 4% and 2%, respectively, with the balance being water.
R2, main equipment:
stirring and mixing the kettle: enamel reaction kettles, stainless steel stirred kettles and the like.
R3, preparation method:
weighing the effective components of emamectin benzoate and dicyclopropionate according to the proportion, adding the effective components into a carrier, adding a surfactant into the carrier, stirring the carrier and the surfactant in a mixing kettle to form a uniform oil phase, then slowly stirring the mixture, adding water, and stirring the mixture to be in a transparent state, thus obtaining the finished product of the composite insecticidal composition containing the emamectin benzoate and the dicyclopropionate.
Example 4: 50% water dispersible granule
S1, mixing the components:
the effective components are as follows: 5% of emamectin benzoate and 45% of dicyclopropyl tetramat;
auxiliary components: 4% of wetting agent sodium dodecyl sulfate, 8% of dispersant sodium lignosulfonate, 24% of filler white carbon black and the balance filler kaolin.
S2, main equipment:
a mixer, a jet mill and an extrusion granulator.
S3, the preparation method comprises the following steps:
the effective components of emamectin benzoate and dicyclopropyl tetramisole are weighed according to the proportion and added into a carrier, and a surfactant and other functional additives are added into the carrier for mixing, and then the mixture is subjected to airflow crushing and granulation to prepare water dispersible granules, namely the finished product of the composite insecticidal composition.
Example 5: 25% suspending agent
T1, composition ratio:
the effective components are as follows: 5% of emamectin benzoate and 20% of dicyclopropyl tetramat;
auxiliary components: 5% of wetting dispersant carboxylate, 3% of wetting dispersant sulfonate, 2% of wetting dispersant phosphate, 0.2% of thickening agent xanthan gum and 1.8% of thickening agent magnesium aluminum silicate, 4% of antifreezing agent propylene glycol, 0.2% of preservative, 0.2% of defoaming agent and the balance of water.
T2, main equipment:
mixer, shearing machine, horizontal dull polish machine.
T3, preparation method:
weighing emamectin benzoate, dicyclopropyl tetramisole, other wetting dispersing agents, thickening agents, antifreezing agents, preservatives, water and the like according to a proportion, mixing, shearing, adding into a horizontal sand mill, sanding for 2-3 hours, adding a defoaming agent, and continuously shearing to prepare a suspending agent product, namely a finished product of the composite insecticidal composition.
Example 6: 15% microemulsion
Y1, composition ratio:
the effective components are as follows: emamectin benzoate 3 percent and dicyclopropyl tetramisole 12 percent;
auxiliary components: the solvent is selected from cyclohexanone and solvent oil 150 of 8% and 25%, respectively, and the emulsifier is selected from KT and agricultural milk 601#And 5500 are 4%, 4% and 2%, respectively, with the balance being water.
Y2, main equipment:
stirring and mixing the kettle: enamel reaction kettles, stainless steel stirred kettles and the like.
Y3, preparation method:
the effective components of emamectin benzoate and dicyclopropyl tetramisole are weighed according to the proportion and added into a carrier, a surfactant is added into the carrier, the carrier is stirred and mixed in a stirring and mixing kettle to form a uniform oil phase, and then water is added into the carrier under the condition of slow stirring and stirred to be in a transparent state, so that the finished product of the composite insecticidal composition is obtained.
Comparative example 1
The effective components are as follows: 20% of dicyclopropyl tetramat.
The preparation method comprises the following steps: the dicyclopropionate is weighed in proportion, and then the dicyclopropionate insecticide is prepared according to the method provided in the embodiment 1.
Comparative example 2
The effective components are as follows: emamectin benzoate 3 percent.
The preparation method comprises the following steps: emamectin benzoate is weighed in proportion and then prepared according to the method provided by the embodiment 2 to obtain the emamectin benzoate insecticide.
Indoor toxicity assay
The invention firstly determines indoor toxicity, adopts an insect-soaking method to prepare the emamectin benzoate and the dicyclopropyl tetramat technical into liquid medicines with 5 series of concentrations. Selecting indoor cultured myzus persicae nymphs with consistent age, immersing target insects into the liquid medicine for 10s, absorbing redundant liquid medicine by using filter paper, transferring the test insects to normal conditions for feeding, repeating the step of soaking the insects for 4 times, and treating the test insects for 10 times by using clear water as a control. The number of dead and live insects is checked after 24h, and the test with the mortality rate of less than 20 percent in the control group is a valid test.
Based on the results of the investigation, the mortality of each treatment was calculated. And (4) solving a toxicity regression equation, lethal medium concentration, correlation coefficient and the like, and solving a co-toxicity coefficient (CTC value) by using a Sun cloud Pepper method.
Measured toxicity index (ATI) ═ standard medicament LC50Test agent LC50)X100。
Theoretical virulence index (TTI) ═ percentage of a in the a agent virulence index X mix + percentage of B in the B agent virulence index X mix.
Co-toxicity coefficient (CTC) ═ X100 [ actually measured toxicity index (ATI)/Theoretical Toxicity Index (TTI) of the mixture ].
According to NY/T1154.7-2006 pesticide combination division standard: the co-toxicity coefficient (CTC) is more than or equal to 120 and shows a synergistic effect; the co-toxicity coefficient (CTC) is less than or equal to 80, and the antagonism is shown; 80< co-toxicity coefficient (CTC) <120 showed additive effect.
The test results are shown in Table 1.
TABLE 1 Emamectin benzoate and Cyclovirobuzin Combined indoor virulence determination for Myzus persicae
As can be seen from the table 1, the composition provided by the embodiment of the invention has high activity on myzus persicae, and the co-toxicity coefficients of emamectin benzoate and dicyclopropyl tetramat are 10: 1-1: 30 and are all above 120, which shows that the composition has a synergistic effect; the mass ratio is 1: 1-1: 10, the co-toxicity coefficient is over 160, the synergistic effect is more obvious, and the rationality and feasibility of compounding emamectin benzoate and dicrotofen are shown.
Pesticide effect test for preventing and controlling rice planthopper in field test
To better illustrate the effective control effect of the invention, the pesticide of the above example, 20% of amitraz suspending agent and 3% of emamectin benzoate microemulsion are used for field pesticide control of rice planthopper, and the test results are shown in the following table 2.
The field efficacy test is designed to carry out 5 treatments of medicament, contrast medicament, clear water and the like, and the area of each test cell is 50m2Cells are randomly arranged every 4 repetitions of processing. 0.5m protection rows are arranged between each cell and around the test field. The cabbage was applied by manual spraying, and the application was performed 1 time before application, and 1 time, 4 times after application for 3 days, 7 days, and 14 days. The investigation method adopts a five-point sampling method. And (3) surveying 10 crops at fixed points in each cell, surveying population base number and residual population, and calculating population decline rate and control effect. The calculation formula is as follows:
oral cavity decline rate (%) [ (number of insects before application-number of insects after application)/number of insects before application ] × 100
Control effect (%) [ (treatment area population reduction rate-blank control area population reduction rate)/(1-blank control area population reduction rate) ] × 100
Corrected control effect (%) [ (control effect in treatment area-control area)/(control effect in 100-control area) ] × 100
TABLE 2 control of rice planthoppers by different treatments
The test results in table 2 show that the control effect of the pesticide applied to the rice planthopper is obviously higher than that of the control pesticide, and the pesticide applied to the rice planthopper in the embodiment achieves a better control effect of more than 95% after 7 days; after 14 days of pesticide application, the control effect of the pesticide on the rice planthoppers is still over 90 percent; the control effect of the contrast agent is better to reach 80.34%, the lasting time is short, and the control effect is less than 60% after 14 days of application, which shows that the emamectin benzoate and diproprionate compound pesticide has obvious synergistic effect, and the lasting time is obviously longer than that of a single agent. Experiments show that the compound composition obviously reduces the using amount of the medicament, and reduces the production cost, the pesticide residue and the environmental pollution. In addition, field observation during the test period shows that the liquid medicine of each treatment of the medicament in the embodiment has no influence on the growth of crops, is safe to surrounding beneficial organisms and has good environmental compatibility. Therefore, the emamectin benzoate and the dicyclopropyl tetramisole are very ideal compound insecticidal products.
Claims (10)
1. The composite insecticidal composition is characterized by comprising effective components and auxiliary components, wherein the effective components comprise emamectin benzoate and dicyclopropionate, and the weight ratio of the emamectin benzoate to the dicyclopropionate is 10: 1-1: 30.
2. The composite insecticidal composition according to claim 1, wherein the weight ratio of the effective components emamectin benzoate and dicyclopropyl tetramethrin is 1: 1-10.
3. The composite insecticidal composition according to claim 1 or 2, wherein the effective components of emamectin benzoate and dicyclopropyl tetramethrin account for 5-85% by weight of the composite insecticidal composition.
4. The composite pesticidal composition of claim 3, wherein the auxiliary ingredients comprise a carrier and an adjuvant.
5. The composite insecticidal composition according to claim 4, wherein said carrier is one or more of water, filler.
6. The composite insecticidal composition according to claim 4, wherein said adjuvant comprises at least one surfactant.
7. The composite insecticidal composition according to claim 6, wherein said surfactant is selected from one or more of an emulsifier, a dispersant, a wetting agent or a penetrant.
8. The composite pesticidal composition of claim 6, wherein the adjuvant further comprises one or more of an anti-freeze agent, a thickener, a stabilizer, a disintegrant, or an anti-foaming agent.
9. The composite insecticidal composition according to claim 3 or 4, wherein the dosage form of the composite insecticidal composition is one or more of a suspending agent, a wettable powder, a water dispersible granule or a microemulsion; preferably a suspending agent, water dispersible granules or a microemulsion.
10. Use of the composite pesticidal composition of any one of claims 1 to 9 for killing field rice planthoppers.
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| CN113475502A (en) * | 2021-08-06 | 2021-10-08 | 南京科翼新材料有限公司 | Efficient auxiliary agent suitable for suspending agent containing pesticide emamectin benzoate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475502A (en) * | 2021-08-06 | 2021-10-08 | 南京科翼新材料有限公司 | Efficient auxiliary agent suitable for suspending agent containing pesticide emamectin benzoate |
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