CN110754475A - Medicament composition for preventing and treating spodoptera frugiperda and use method thereof - Google Patents
Medicament composition for preventing and treating spodoptera frugiperda and use method thereof Download PDFInfo
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- CN110754475A CN110754475A CN201911101897.6A CN201911101897A CN110754475A CN 110754475 A CN110754475 A CN 110754475A CN 201911101897 A CN201911101897 A CN 201911101897A CN 110754475 A CN110754475 A CN 110754475A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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Abstract
The invention discloses a medicament composition for preventing and treating spodoptera frugiperda and a use method thereof, wherein the medicament composition for preventing and treating spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 4-6% of a wetting agent; 4-6% of a dispersant; 13-15% of a disintegrating agent; the rest is filler. The composition has good quick-acting property and lasting period, has good control effect on Spodoptera frugiperda, has stable control effect, can delay resistance, prolongs lasting period and improves control effect.
Description
Technical Field
The invention belongs to the technical field of pesticides, relates to an agricultural water dispersible granule, and particularly relates to a medicament composition for preventing and treating spodoptera frugiperda and a using method thereof.
Background
Spodoptera frugiperda (J.E. Smith), commonly known as Fall Armyworm (Fall Armyworm), belongs to the genus Trichoplusidae (Lepidotera) of the Lepidoptera (Lepidotera), is a omnivorous pest native to the America and subtropical regions, is widely distributed in the America, can harm various crops, is an important pest for global early warning in 2018 United nations grain and crop organizations, and has the characteristics of strong migratory ability, high propagation multiple, heavy overeating hazard, great control difficulty and the like. The insect can be rapidly expanded after invading China in 1 month in 2019, and is damaged in 25 provinces in 9 months, so that the food safety in China is seriously threatened.
In Anhui province, in the south-north transition zone of food production in China, the whole province is complex in planting structure, the varieties of crops are rich, the growth period is long, corn which is favored by spodoptera frugiperda and the like are planted, since 5 and 17 days in 2019, spodoptera frugiperda is seen in yellow mountainous areas for the first time, and 16 markets in the whole province are found by 3 days in 9 months. The Spodoptera frugiperda rapidly takes place after invading China, and in order to control foreign insect sources and reduce the colonization base number, the most common prevention and control means of all places in China is emergency chemical prevention and control, and good prevention and control effects are obtained. However, different areas have different dependence degrees and use frequencies of the pesticide, and the Spodoptera frugiperda can generate different degrees of resistance after long-term single and repeated use. And the migratory flight diffusion habit of Spodoptera frugiperda can diffuse the genetic characteristic of the drug resistance in a larger area, so that the sensitivity of the generated regional pesticide is reduced, and the control effect of the pesticide is reduced.
Spodoptera frugiperda is a new invasive pest, no registered medicament variety for preventing and controlling the pest is available at present in China, and no related chemical prevention and control experience can be used for reference. Therefore, on the basis of utilizing the existing prevention and control medicament, the novel insecticidal composition is screened, the application method is innovated, and the method has positive significance for delaying resistance, improving prevention and control effect and supporting the prevention and control work of Spodoptera frugiperda in Anhui province and even China.
Therefore, it is an urgent technical problem to develop a pharmaceutical composition suitable for controlling spodoptera frugiperda.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the medicament composition for preventing and treating spodoptera frugiperda and the use method thereof, has better quick-acting property and lasting period, has better control effect on spodoptera frugiperda, has stable prevention effect, can delay resistance, prolongs lasting period and improves prevention and treatment effect.
In order to achieve the above purpose, the invention provides the following technical scheme:
the pesticide composition for preventing and treating spodoptera frugiperda is characterized by comprising the following components in percentage by mass: 3% of emamectin benzoate and 7% of chlorantraniliprole.
Further, the pesticide composition for preventing and treating spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 4-6% of a wetting agent; 4-6% of a dispersant; 13-15% of a disintegrating agent; the rest is filler.
Still further, the wetting agent is fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene formaldehyde condensate sulfate, or fatty alcohol polyoxyethylene ether and fatty amide-N-methyl taurate, or alkyl succinate sulfonate and fatty amide-N-methyl taurate, or fatty alcohol polyoxyethylene ether and alkyl succinate sulfonate; the dispersant is polycarboxylate and dioctyl sodium sulfosuccinate, or polycarboxylate and sodium lignosulfonate, or polycarboxylate and naphthalene sulfonic acid formaldehyde condensate, or dioctyl sodium sulfosuccinate and naphthalene sulfonic acid formaldehyde condensate; the disintegrant is ammonium chloride or ammonium sulfate; the filler is organic bentonite or kaolin.
The pesticide composition for preventing and treating spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 2% of fatty alcohol-polyoxyethylene ether; 2% of fatty amide-N-methyltaurate; 2% of polycarboxylate; dioctyl sulfosuccinic acid sodium salt 2%; 13% of ammonium chloride; the balance being organic bentonite.
Or, the pesticide composition for preventing and treating Spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 2% of fatty alcohol-polyoxyethylene ether; 3% of alkylphenol polyoxyethylene ether formaldehyde condensate sulfate; 2% of polycarboxylate; 4% of sodium lignosulfonate; 13% of ammonium chloride; the balance being organic bentonite.
Or, the pesticide composition for preventing and treating Spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 3% of fatty alcohol-polyoxyethylene ether; fatty amide-N-methyltaurate 3%; 2% of polycarboxylate; 2% of naphthalene sulfonic acid formaldehyde condensate; 13% of ammonium chloride; the balance being kaolin.
Or, the pesticide composition for preventing and treating Spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; alkyl succinate sulfonate 2%; 2% of fatty amide-N-methyltaurate; 3% of naphthalene sulfonic acid formaldehyde condensate; dioctyl sulfosuccinic acid sodium salt 2%; 15% of ammonium chloride; the balance being organic bentonite.
Or, the pesticide composition for preventing and treating Spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 2% of fatty alcohol-polyoxyethylene ether; alkyl succinate sulfonate 3%; 2% of polycarboxylate; dioctyl sulfosuccinic acid sodium salt 2%; 13% of ammonium chloride; the balance being organic bentonite.
In addition, the invention also discloses a use method of the spodoptera frugiperda control medicament composition, which is characterized in that the application concentration of the spodoptera frugiperda control medicament composition is higher than 37.5-52.5g.a.i/hm2。
Further, in the corn seedling stage, the pesticide composition for preventing and treating spodoptera frugiperda is mixed with soil and applied to the corn, wherein 10 kg of fine soil is used for mixing with soil per mu.
The pesticide composition for preventing and treating spodoptera frugiperda has good quick-acting property and lasting period, has a good control effect on spodoptera frugiperda, and has stable control effect. And moreover, the Spodoptera frugiperda can be effectively controlled, the resistance can be delayed, the lasting period can be prolonged, and the control effect can be improved.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the scope of the present invention.
The invention takes emamectin benzoate (abbreviated as emamectin benzoate) and chlorantraniliprole as test agents, and firstly, the indoor toxicity of the two agents to Spodoptera frugiperda is measured; then, the synergistic effect on Spodoptera frugiperda is evaluated by mixing in different proportions, and the optimal proportion of the two medicaments is screened out; further carrying out verification on the field control effect, and providing a theoretical basis for the application of the emamectin benzoate-chlorantraniliprole composition in controlling spodoptera frugiperda.
1 materials and methods
1.1 materials
1.1.1 test agent
90% methylamino abamectin benzoate (emamectin benzoate) technical product, abbreviated as emamectin benzoate, available from Nanjing Red Sun Co., Ltd;
95.3 percent chlorantraniliprole (chlorantraniliprole) raw pesticide, which is produced by DuPont agricultural chemical company Limited in Shanghai;
a standard medicament, 91 percent phoxim (phoxim) original drug, which is produced by Jiangsu Baoling chemical industry Co., Ltd;
2% of emamectin benzoate (Emamectin benzoate) aqueous emulsion, which is produced by Qingdao Star brand crop science Co., Ltd;
35% chlorantraniliprole (chlorantraniliprole) water dispersible granule, which is produced by Fumei corporation in America.
1.1.2 test insects
Spodoptera frugiperda is a population which is bred and bred in a laboratory by collecting 3-4 instar larvae which first invade a Huangshan area in Anhui province in 2019, 5 months and 17 days. Fresh corn leaves are used as feed, the feeding condition is 27 +/-1 ℃, the photoperiod is 14:10h, and the relative humidity is 65-85%. Healthy and active 2-instar larvae with consistent individual size and development are selected for testing.
1.2 test methods
1.2.1 indoor virulence determination
The method is characterized by adopting an insect immersion method for determination. 90% of emamectin benzoate technical, 95.3% of chlorantraniliprole technical and a standard medicament, 91% of phoxim (phoxim) technical are prepared into mother liquor by acetone, and are diluted into test concentration by 0.1% of Tween 80 aqueous solution in equal proportion. Selecting Spodoptera frugiperda 2-instar larvae with consistent insect age, soaking in the liquid medicine of various concentrations for 10s, and using 0.1% Tween 80 aqueous solution as control. And (4) sucking the excessive liquid medicine by using filter paper for the treated larvae, transferring the test insects to corn leaves for feeding, and investigating the number of dead insects after 72 hours. Using 12-well cell culture plates, the plates were covered with 2 layers of absorbent paper (dry) and were replenished in time as the leaves were eaten up during the test.
1.2.2 field test
1.2.2.1 test design for preventing and treating effect of different dosage forms
The test land is arranged in the test field of the agricultural institutions of the Xian Yuan town and the Changfeng hillock town collection in the Huangshan area. Setting 30g/667m of 10% Emamectin benzoate and Chlorantraniliprole aqueous emulsion, 10% Emamectin benzoate and Chlorantraniliprole suspending agent which are processed in a test way as a suspending agent2Dose treatment (dosage of preparation) and control test is carried out in the larval stage of Spodoptera frugiperda. The contrast agent is 5 percent emamectin benzoate aqueous emulsion 20g/hm235% of chlorantraniliprole benzoylAmine suspending agent 10g/hm2. Each treatment has 4 repetitions, and the cells are arranged in random block groups and have an area of 30m2120 corns in each cell are protected by 1m wide protection lines among the cells, liquid medicine is sprayed on stems and leaves for 1 time in 2019.7.15 days, and other agents for preventing and treating the meadow moth type are not sprayed in the test period, so that the test has no abnormal weather.
1.2.2.2 test design of control effect of different dosages
The test land is arranged in the test field of the agricultural institutions of the Xian Yuan town and the Changfeng hillock town collection in the Huangshan area. The experimental processing 10% emamectin benzoate-chlorantraniliprole water dispersible granule (namely the pesticide composition for preventing and controlling spodoptera frugiperda of the invention) is set to be 25, 30 and 35g/667m2Dose treatment (dosage of preparation) and control test is carried out in the larval stage of Spodoptera frugiperda. The contrast agent is 5 percent emamectin benzoate aqueous emulsion 20g/hm235% chlorantraniliprole suspending agent 10g/hm2. Each treatment has 4 repetitions, and the cells are arranged in random block groups and have an area of 30m2120 corns in each cell are protected by 1m wide protection lines among the cells, liquid medicine is sprayed on stems and leaves for 1 time in 2019.7.15 days, and other agents for preventing and treating the meadow moth type are not sprayed in the test period, so that the test has no abnormal weather.
1.2.2.3 test design of different application methods
The test land is arranged in the test field of the agricultural institutions of the Xian Yuan town and the Changfeng hillock town collection in the Huangshan area. The experimental processing 10% emamectin benzoate-chlorantraniliprole water dispersible granule (namely the pesticide composition for preventing and controlling spodoptera frugiperda of the invention) is set to be 30g/667m2The control experiment is carried out in the larval stage of Spodoptera frugiperda by using two treatment methods of stem and leaf spraying and soil mixing and core throwing (10 kg of fine soil is used per mu) respectively. Each treatment has 4 repetitions, and the cells are arranged in random block groups and have an area of 30m2120 corns in each cell are protected by 1m wide protection lines among the cells, liquid medicine is sprayed on stems and leaves for 1 time in 2019.7.15 days, and other agents for preventing and treating the meadow moth type are not sprayed in the test period, so that the test has no abnormal weather.
1.2.2.4 survey statistics
A survey method in the national agriculture technical center about the notice of the Spodoptera frugiperda survey method (trial implementation) is adopted, a Z-shaped six-point sampling method is adopted, 10 plants are surveyed at each point, 60 plants are surveyed in total, and the number of live insects after pesticide application is mainly surveyed. Because the larvae of Spodoptera frugiperda are different in age and the damage symptoms of corn are obviously different, the development states of the larvae are distinguished according to the damage symptoms, and the key investigation positions are determined. The population reduction rate is calculated by investigating 1 time and 4 times respectively before and after the application of the medicament for 1, 3 and 7 days, and the correction control effect is calculated according to the population reduction rate.
1.2.3 data processing
Data were analyzed for variance using the span 19.0 software, and LC50 values and virulence regression equations were calculated. According to the criteria of indoor bioassay tests for pesticides (NY/T1154.7-2006); and (4) calculating a co-toxicity coefficient CTC value and evaluating the synergistic effect.
2 results and analysis
2.1 results of toxicity measurements of Emamectin benzoate and Chlorantraniliprole against Spodoptera frugiperda
The results in table 1 show that emamectin benzoate and chlorantraniliprole both have high inhibition effect on spodoptera frugiperda. The emamectin benzoate has high toxicity to spodoptera frugiperda, the LC50 value is 0.248mg/L, the chlorantraniliprole has low toxicity to spodoptera frugiperda, and the LC50 value is 8.143 mg/L.
TABLE 1 toxicity assay of Emamectin benzoate and Chlorantraniliprole against Spodoptera frugiperda
2.2 toxicity test results of mixing emamectin benzoate and chlorantraniliprole in different proportions on Spodoptera frugiperda
The results in table 2 show that the compositions of emamectin benzoate and chlorantraniliprole in different proportions have different toxicity to spodoptera frugiperda, and the mass ratio of the compositions to the spodoptera frugiperda is 2: 8-7: 3, wherein when the emamectin benzoate: chlorantraniliprole ═ 3: the synergistic value is maximum at 7 hours, and the CTC value of the co-toxicity coefficient is 172.802.
TABLE 2 toxicity assay for Spodoptera frugiperda for Emamectin benzoate compositions
2.3 field control test results of Spodoptera frugiperda with different formulations
As can be seen from tables 3 and 4, in the field control tests of different formulations performed on two corn fields in the test bases of the Xianyuan town of Huangshan mountain and the rural academy, 10% of the aqueous emulsion, 10% of the aqueous dispersible granule and 10% of the suspending agent have good control effects on spodoptera frugiperda and the two control effects are stable. When the drug concentration is 45g.a.i/hm2The quick-acting property and the lasting effect are better, the stem and leaf spray control effect is more than 85% in 3, 7 and 14 days after the pesticide is applied, but the control effect of the 10% emamectin benzoate-chlorantraniliprole water dispersible granule is slightly better than that of other two dosage form products. Considering the control effect and the processing cost of the product and being beneficial to the optimization of a later matched application method, the dosage forms of the product are sequentially determined as water dispersible granules, suspending agents and aqueous emulsion according to the priority order.
TABLE 3 different formulations field control effect test (Xianyuan town in Huangshan district)
Note: the Duncan least significant difference method is used for comparing the significance of the difference. The person with the same column mark having different lower case letters represents that the difference between groups is obvious (P < 0.05), and the person with different upper case letters represents that the difference between groups is obvious (P < 0.01); the same column marked with the same lower case letters indicates that the difference between groups is not significant (P > 0.05).
TABLE 4 test of field control effect of different formulations (test base of agricultural academy)
Test result of field control of spodoptera frugiperda by 2.410% emamectin benzoate and chlorantraniliprole water dispersible granules
As can be seen from tables 5 and 6, in the field control experiments of the two-field corn fields in the Xianyuan town of Huangshan mountain and the test base of the agricultural academy, the 10% emamectin benzoate and chlorantraniliprole water dispersible granules have good control effects on Spodoptera frugiperda and have stable control effects in the two fields. The 10% emamectin benzoate and chlorantraniliprole water dispersible granule has good quick-acting property and lasting period, and when the application concentration is higher than 37.5g.a.i/hm2In time, the control effect can reach more than 88 percent after 3 days; wherein the ratio of the water to the water is 52.5g.a.i/hm2The concentration treatment control effect is remarkably higher than that of 5 percent of emamectin benzoate aqueous emulsion and 35 percent of chlorantraniliprole suspending agent; the control effect reaches over 84 percent in 14 days after the drug is taken, wherein the control effect is 52.5g.a.i/hm2The concentration treatment control effect is also remarkably higher than the treatment control effects of 5 percent of emamectin benzoate aqueous emulsion and 35 percent of chlorantraniliprole suspending agent.
Test of field control Effect of Table 510% Emamectin benzoate-Chlorantraniliprole Water dispersible granules (Xianyuan town of Huangshan district)
Note: the Duncan least significant difference method is used for comparing the significance of the difference. The person with the same column mark having different lower case letters represents that the difference between groups is obvious (P < 0.05), and the person with different upper case letters represents that the difference between groups is obvious (P < 0.01); the same column marked with the same lower case letters indicates that the difference between groups is not significant (P > 0.05).
Test for field control effect of table 610% Emamectin benzoate Chlorantraniliprole Water dispersible granule (test base of agricultural academy)
Note: the Duncan least significant difference method is used for comparing the significance of the difference. The person with the same column mark having different lower case letters represents that the difference between groups is obvious (P < 0.05), and the person with different upper case letters represents that the difference between groups is obvious (P < 0.01); the same column marked with the same lower case letters indicates that the difference between groups is not significant (P > 0.05).
The experiments show that the mass ratio of the emamectin benzoate to the chlorantraniliprole is 2: 8-7: 3, the synergy is the largest at 3: 7, and the cotoxicity coefficient CTC value is 172.802; based on the proportion, the water dispersible granule of 10 percent emamectin benzoate and chlorantraniliprole is obtained by processing, and the concentration of the pesticide applied in the field is higher than 37.5g.a.i/hm2The control effect on spodoptera frugiperda 3 days and 14 days after the application respectively reaches over 88 percent and 84 percent, and the quick action and the lasting period are better. The emamectin benzoate and chlorantraniliprole are a good formula for preventing and treating spodoptera frugiperda when the mixing ratio of the emamectin benzoate to the chlorantraniliprole is 3: 7.
Therefore, in the invention, the pesticide composition for preventing and controlling spodoptera frugiperda is 10% emamectin benzoate-chlorantraniliprole water dispersible granules. Namely, the pesticide composition for preventing and treating Spodoptera frugiperda comprises the following components in percentage by mass: 3% of emamectin benzoate and 7% of chlorantraniliprole.
Test results of field control on spodoptera frugiperda by using 2.510% emamectin benzoate and chlorantraniliprole water dispersible granules with different application methods
As can be seen from tables 7 and 8, in the field control experiments of different application methods performed on two corn fields in the Xianyuan town of Huangshan mountain and the test base of the agricultural academy, 10% of the emamectin benzoate-chlorantraniliprole water dispersible granule has a good control effect on Spodoptera frugiperda, and the two control effects are stable. When the drug concentration is 37.5g.a.i/hm2In time, the prevention and treatment effects of the stem-losing and heart-throwing mixed with soil after 3, 7 and 14 days after the application are better than those of stem-leaf spray, the prevention effect difference of the traditional Chinese medicine after 3 and 14 days is obvious, and the quick-acting property and the lasting property of the two application methods are better. The core and leaf of the corn are protected by mixing with soil and applying the medicine, and the stem and leaf spray is obviously higher than that of the core and leaf of the corn after being applied for 14 days. According to the feeding habit that Spodoptera frugiperda tends to be tender and green and likes to drill cores, in order to control the damage of larvae, improve the control efficiency, reduce the damage of corn leaves and guarantee the yield, 10 percent of emamectin benzoate-chlorantraniliprole water dispersible granules are recommended to be mixed with corn seedling stageThe soil is thrown into the heart for pesticide application, so that the low-age larvae of Spodoptera frugiperda are prevented from being damaged, and the damage of the corn leaves is protected.
Table 710% Emamectin benzoate-chlorantraniliprole water dispersible granule field control effect test (Xianyuan town in yellow mountain area)
Note: the Duncan least significant difference method is used for comparing the significance of the difference. The person with the same column mark having different lower case letters represents that the difference between groups is obvious (P < 0.05), and the person with different upper case letters represents that the difference between groups is obvious (P < 0.01); the same column marked with the same lower case letters indicates that the difference between groups is not significant (P > 0.05).
Test for field control Effect of Table 810% Emamectin benzoate-Chlorantraniliprole Water dispersible granule (test base of agricultural academy)
Note: the Duncan least significant difference method is used for comparing the significance of the difference. The person with the same column mark having different lower case letters represents that the difference between groups is obvious (P < 0.05), and the person with different upper case letters represents that the difference between groups is obvious (P < 0.01); the same column marked with the same lower case letters indicates that the difference between groups is not significant (P > 0.05).
Specifically, the pesticide composition for preventing and treating spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 4-6% of a wetting agent; 4-6% of a dispersant; 13-15% of a disintegrating agent; the rest is filler.
The wetting agent can be fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene formaldehyde condensate sulfate, or fatty alcohol-polyoxyethylene ether and fatty amide-N-methyl taurate, or alkyl succinate sulfonate and fatty amide-N-methyl taurate, or fatty alcohol-polyoxyethylene ether and alkyl succinate sulfonate.
The dispersant may be a polycarboxylate and dioctyl sulfosuccinic acid sodium salt, or a polycarboxylate and sodium lignosulfonate, or a polycarboxylate and naphthalene sulfonic acid formaldehyde condensate, or a dioctyl sulfosuccinic acid sodium salt and naphthalene sulfonic acid formaldehyde condensate.
The disintegrant may be ammonium chloride or ammonium sulfate.
The filler may be an organobentonite or kaolin.
Several specific embodiments of the present invention are described below.
[ example 1 ]
Provides a 10 percent emamectin benzoate-chlorantraniliprole water dispersible granule for preventing and controlling spodoptera frugiperda. In the water dispersible granule, the mass percent of each component is as follows:
3% of methylamino abamectin benzoate;
7% of chlorantraniliprole;
2% of fatty alcohol-polyoxyethylene ether;
2% of fatty amide-N-methyltaurate;
2% of polycarboxylate;
dioctyl sulfosuccinic acid sodium salt 2%;
13% of ammonium chloride;
the balance being organic bentonite.
[ example 2 ]
Provides a 10 percent emamectin benzoate-chlorantraniliprole water dispersible granule for preventing and controlling spodoptera frugiperda. In the water dispersible granule, the mass percent of each component is as follows:
3% of methylamino abamectin benzoate;
7% of chlorantraniliprole;
2% of fatty alcohol-polyoxyethylene ether;
3% of alkylphenol polyoxyethylene ether formaldehyde condensate sulfate;
2% of polycarboxylate;
4% of sodium lignosulfonate;
13% of ammonium chloride;
the balance being organic bentonite.
[ example 3 ]
Provides a 10 percent emamectin benzoate-chlorantraniliprole water dispersible granule for preventing and controlling spodoptera frugiperda. In the water dispersible granule, the mass percent of each component is as follows:
3% of methylamino abamectin benzoate;
7% of chlorantraniliprole;
3% of fatty alcohol-polyoxyethylene ether;
fatty amide-N-methyltaurate 3%;
2% of polycarboxylate;
2% of naphthalene sulfonic acid formaldehyde condensate;
13% of ammonium chloride;
the balance being kaolin.
[ example 4 ]
Provides a 10 percent emamectin benzoate-chlorantraniliprole water dispersible granule for preventing and controlling spodoptera frugiperda. In the water dispersible granule, the mass percent of each component is as follows:
3% of methylamino abamectin benzoate;
7% of chlorantraniliprole;
alkyl succinate sulfonate 2%;
2% of fatty amide-N-methyltaurate;
3% of naphthalene sulfonic acid formaldehyde condensate;
dioctyl sulfosuccinic acid sodium salt 2%;
15% of ammonium chloride;
the balance being organic bentonite.
[ example 5 ]
Provides a 10 percent emamectin benzoate-chlorantraniliprole water dispersible granule for preventing and controlling spodoptera frugiperda. In the water dispersible granule, the mass percent of each component is as follows:
3% of methylamino abamectin benzoate;
7% of chlorantraniliprole;
2% of fatty alcohol-polyoxyethylene ether;
alkyl succinate sulfonate 3%;
2% of polycarboxylate;
dioctyl sulfosuccinic acid sodium salt 2%;
13% of ammonium chloride;
the balance being organic bentonite.
The emamectin benzoate and chlorantraniliprole adopted by the invention have good control effect on spodoptera frugiperda. Indoor toxicity measurement and field control tests of the two mixed agents show that the emamectin benzoate and chlorantraniliprole (the mass ratio of 3 to 7) have obvious synergistic effect, and data support is provided for developing spodoptera frugiperda biological control medicaments. Test processing 10% emamectin benzoate and chlorantraniliprole water dispersible granule, when the pesticide application concentration is higher than 37.5g.a.i/hm2In time, the control effect on spodoptera frugiperda 3 days and 14 days after the application is respectively up to 88 percent and above 84 percent, the quick action and the lasting period are better, the control effect on spodoptera frugiperda is better, and the control effect is stable. Therefore, the emamectin benzoate and the chlorantraniliprole can effectively control the spodoptera frugiperda, have the characteristics of respective effects and complementary advantages, and can delay resistance, prolong the lasting period and improve the control effect by synergistic compounding.
The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (10)
1. The pesticide composition for preventing and treating spodoptera frugiperda is characterized by comprising the following components in percentage by mass: 3% of emamectin benzoate and 7% of chlorantraniliprole.
2. The agent composition for controlling spodoptera frugiperda as claimed in claim 1, which comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 4-6% of a wetting agent; 4-6% of a dispersant; 13-15% of a disintegrating agent; the rest is filler.
3. The agent composition for controlling spodoptera frugiperda as claimed in claim 2, wherein said wetting agent is fatty alcohol polyoxyethylene ether and alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, or fatty alcohol polyoxyethylene ether and fatty amide-N-methyltaurate, or alkyl succinate sulfonate and fatty amide-N-methyltaurate, or fatty alcohol polyoxyethylene ether and alkyl succinate sulfonate; the dispersant is polycarboxylate and dioctyl sodium sulfosuccinate, or polycarboxylate and sodium lignosulfonate, or polycarboxylate and naphthalene sulfonic acid formaldehyde condensate, or dioctyl sodium sulfosuccinate and naphthalene sulfonic acid formaldehyde condensate; the disintegrant is ammonium chloride or ammonium sulfate; the filler is organic bentonite or kaolin.
4. The agent composition for controlling spodoptera frugiperda as claimed in claim 3, wherein the agent composition for controlling spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 2% of fatty alcohol-polyoxyethylene ether; 2% of fatty amide-N-methyltaurate; 2% of polycarboxylate; dioctyl sulfosuccinic acid sodium salt 2%; 13% of ammonium chloride; the balance being organic bentonite.
5. The agent composition for controlling spodoptera frugiperda as claimed in claim 3, wherein the agent composition for controlling spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 2% of fatty alcohol-polyoxyethylene ether; 3% of alkylphenol polyoxyethylene ether formaldehyde condensate sulfate; 2% of polycarboxylate; 4% of sodium lignosulfonate; 13% of ammonium chloride; the balance being organic bentonite.
6. The agent composition for controlling spodoptera frugiperda as claimed in claim 3, wherein the agent composition for controlling spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 3% of fatty alcohol-polyoxyethylene ether; fatty amide-N-methyltaurate 3%; 2% of polycarboxylate; 2% of naphthalene sulfonic acid formaldehyde condensate; 13% of ammonium chloride; the balance being kaolin.
7. The agent composition for controlling spodoptera frugiperda as claimed in claim 3, wherein the agent composition for controlling spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; alkyl succinate sulfonate 2%; 2% of fatty amide-N-methyltaurate; 3% of naphthalene sulfonic acid formaldehyde condensate; dioctyl sulfosuccinic acid sodium salt 2%; 15% of ammonium chloride; the balance being organic bentonite.
8. The agent composition for controlling spodoptera frugiperda as claimed in claim 3, wherein the agent composition for controlling spodoptera frugiperda comprises the following components in percentage by mass: 3% of methylamino abamectin benzoate; 7% of chlorantraniliprole; 2% of fatty alcohol-polyoxyethylene ether; alkyl succinate sulfonate 3%; 2% of polycarboxylate; dioctyl sulfosuccinic acid sodium salt 2%; 13% of ammonium chloride; the balance being organic bentonite.
9. Use of the spodoptera frugiperda controlling agent composition according to any one of claims 1 to 8, wherein the spodoptera frugiperda controlling agent composition is administered at a concentration of more than 37.5 to 52.5g.a.i/hm2。
10. The use method of the agent composition for controlling spodoptera frugiperda as claimed in claim 9, wherein the agent composition for controlling spodoptera frugiperda is applied to the corn seedling stage in a mixed manner with soil and applied by throwing, wherein the mixed manner is carried out with 10 kg of fine soil per mu.
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