CN111194747A - Insecticidal composition with systemic synergistic effect and application thereof - Google Patents
Insecticidal composition with systemic synergistic effect and application thereof Download PDFInfo
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- CN111194747A CN111194747A CN202010068096.0A CN202010068096A CN111194747A CN 111194747 A CN111194747 A CN 111194747A CN 202010068096 A CN202010068096 A CN 202010068096A CN 111194747 A CN111194747 A CN 111194747A
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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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- 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
- A01N47/08—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 one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/22—O-Aryl or S-Aryl esters thereof
Abstract
The invention discloses a composition with insecticidal activity and a use method thereof, belonging to the field of pesticides. The composition with insecticidal activity is a mixture consisting of at least one compound of group (a) and one compound of group (b), wherein the compound of group (a) is chlorantraniliprole and cyantraniliprole, and the compound of group (b) is carbaryl. Indoor toxicity test results show that the co-toxicity coefficients of the composition are all larger than 120, and the composition has obvious systemic synergistic effect on the control of chewing pests such as Spodoptera frugiperda, corn borer, cotton bollworm, Chilo suppressalis, Tryporyza incertulas, Cnaphalocrocis medinalis and the like, and is better than a single agent. The mixture processing preparation comprises suspending agent, seed treatment suspending agent, granules and the like.
Description
Technical Field
The invention belongs to the field of pesticides, relates to an insecticidal composition with remarkable synergy, and is particularly suitable for preventing and controlling chewing pests such as Spodoptera frugiperda and the like through systemic action.
Background
Among the chewing pests, boring pests such as spodoptera frugiperda are difficult to control in agricultural crop protection. It is liked to bore into the core leaf of the crop to take food in the seedling stage of the crop, cuts off the growing point and can cause the death of the plant when the harm is serious. The corn borer and other boring insects also have similar harm characteristics. Because such pests often dig into the internal tissues of the seedling core leaves when being harmed and the fog drops are often difficult to reach the target site when the spraying method is used for preventing the pests, the dosage is required to be increased when the pests are prevented and controlled by spraying, which is not favorable for environmental protection and food safety.
One of the effective methods for solving the problems is to adopt seed coating or root application, and the medicament reaches a target part after being absorbed by the root system of crops. The transmission of the medicament to the leaves after the medicament is absorbed by the root system of the plant is carried out in the transpiration flow of the xylem of the plant (Sicbaldi, Sacchi et al 1997), and the leaves of the plant core are parts with vigorous metabolism for the growth of the plant, so that the medicament can reach the target part along with the transpiration flow. In addition, the pesticide after seed coating or root application has less contact with natural enemies of pests in soil, and is beneficial to the protection of the natural enemies.
Systemic insecticides are mainly used to control piercing-sucking pests, and there are very limited systemic insecticides that can control chewing pests. The insecticidal composition has remarkable synergistic effect on the control of chewing pests when playing a role through systemic action, and has more excellent insecticidal activity when being used for controlling the chewing pests than when being used alone.
The insecticidal compounds and their properties related to the present invention are respectively:
1 chlorantraniliprole: chemical name 3-bromo-N- { 4-chloro-2-methyl-6- [ (methylamino) carbonyl]Phenyl } -1- (3-chloro-2-pyridyl) -1H-pyrazole-5-carboxamide, formula C18H14BrCl2N6O2. The site of action is the ryanodine receptor in the muscle of the pest.
2, cyantraniliprole: chemical name 3-bromo-1- (3-chloro-2-pyridinyl) -N- [ 4-cyano-2-methyl-6- [ (methylamino) carbonyl]Phenyl radical]-1H-pyrazole-5-carboxamide of formula C19H14BrClN6O2. The site of action is the ryanodine receptor in the muscle of the pest.
3 carbaryl: the chemical name of (1-naphthyl) -N-methylcarbamate, formula C12H11NO2The action site is acetylcholinesterase in the nervous system of pests.
Reference documents: sicbaldi, f., g.a.sacchi, m.trevisan and a.a.m.delre (1997) "Root update and xylom transfer of pesticides from differential chemicals"Pesticide Science50(2)：111-119.
Disclosure of Invention
The invention aims to provide an insecticidal composition with a remarkable synergistic effect, which is particularly suitable for preventing and controlling chewing pests such as spodoptera frugiperda and the like through systemic action. The composition is characterized by comprising at least one mixture with synergistic effect selected from a group (a) and a group (b), wherein the compounds of the group (a) are chlorantraniliprole and cyantraniliprole with systemic activity; (b) the compound group is carbaryl with systemic activity.
The synergistic insecticidal composition is characterized in that the compound in the group (a) and the compound in the group (b) are mixed for use, the internal suction activity of the synergistic insecticidal composition has a remarkable synergistic effect, and the synergistic insecticidal composition has more excellent internal suction activity when used for controlling plant insect pests than the single use of the synergistic insecticidal composition.
The insecticidal composition with the synergistic effect is characterized in that the weight ratio of the compound (a) to the compound (b) is 50: 1-1: 50.
The insecticidal composition with the synergistic effect is used for preventing and controlling crop chewing pests.
The synergistic insecticidal composition is used for preventing and controlling various crop pests, such as Spodoptera frugiperda, corn borer, cotton bollworm, Chilo suppressalis, Tryporyza incertulas, Cnaphalocrocis medinalis and the like.
The preparation with the synergistic insecticidal composition is a suspending agent, a seed treatment suspending agent and granules.
Detailed Description
In order to better illustrate the invention, it is further illustrated below by means of examples.
Examples of indoor virulence
Indoor virulence example 1: indoor toxicity of combination of chlorantraniliprole and carbaryl on spodoptera frugiperda
The combined intrinsic toxicant absorption effect of the insecticidal composition on Spodoptera frugiperda is determined by a pot culture method. The sand is wetted with 20% MS culture solution, and is placed into plastic boxes with the size of 11cm multiplied by 9cm, 500g MS culture solution wetted sand is placed in each basin, and 12 corn seeds are sowed. Culturing in a greenhouse at 25 ℃ until the second leaf of the corn seedling is unfolded. 200mL of liquid medicine with series concentration is prepared from the reagent to be tested, 50 mL of liquid medicine is respectively used for root irrigation of corn seedlings in each pot, 1 head of 1-instar spodoptera frugiperda larva is inoculated to each corn plant after 24 hours, and the steps are repeated for 4 times. After 48h, the number of dead insects was checked, and the dead insects were judged to be dead by touching the body of the dissecting needle with light touch and failing to respond normally. The assay data was used to calculate corrected mortality using Abbott's equation and LC using DPS data analysis software50And a virulence regression equation, and calculating the co-virulence coefficient (CTC) according to the formula.
Co-toxicity coefficient (CTC) ═ LC of agent a50LC of x drug b50X 100/(Mixed medicament LC)50×(PaLC of agent b50+PbLC of x drug a50))。
TABLE 1 results of the combination of chlorantraniliprole and carbaryl for spodoptera frugiperda
The data in Table 1 show that the compounding of chlorantraniliprole and carbaryl has a synergistic effect on spodoptera frugiperda, and the cotoxicity coefficients of 7 proportions are all more than 120.
Indoor virulence example 2: indoor toxicity of compounded chlorantraniliprole and carbaryl on cotton bollworm
The combined intrinsic toxicant absorption effect of the insecticidal composition on cotton bollworms is determined by a pot culture method. The sand is wetted with 20% MS culture solution, and is placed into plastic boxes with the size of 11cm multiplied by 9cm, 500g MS culture solution wetted sand is placed in each basin, and 12 corn seeds are sowed. Culturing in a greenhouse at 25 ℃ until the second leaf of the corn seedling is unfolded. Preparing the test agent into 200mL liquid medicines with series concentrations, respectively irrigating the root of each corn seedling with 50 mL liquid medicine, inoculating 1 head of bollworm larva of 2 years old to each corn after 24 hr, and arrangingRepeat 4 times. After 48h, the number of dead insects was checked, and the dead insects were judged to be dead by touching the body of the dissecting needle with light touch and failing to respond normally. The assay data was used to calculate corrected mortality using Abbott's equation and LC using DPS data analysis software50And a virulence regression equation, and calculating the co-virulence coefficient (CTC) according to the formula.
TABLE 2 Compound action results of chlorantraniliprole and carbaryl on cotton bollworm
The data in Table 2 show that the compounding of chlorantraniliprole and carbaryl has synergistic effect on cotton bollworm, and the cotoxicity coefficients of 7 proportions are all more than 120.
Indoor virulence example 3: indoor toxicity of combination of chlorantraniliprole and carbaryl on corn borer
The combined internal drug absorption effect of the insecticidal composition on the corn borers is determined by a pot culture method. The sand is wetted with 20% MS culture solution, and is placed into plastic boxes with the size of 11cm multiplied by 9cm, 500g MS culture solution wetted sand is placed in each basin, and 12 corn seeds are sowed. Culturing in a greenhouse at 25 ℃ until the second leaf of the corn seedling is unfolded. 200mL of liquid medicine with series concentration is prepared from the reagent to be tested, 50 mL of liquid medicine is respectively used for root irrigation of corn seedlings in each pot, 1-head 1-instar corn borer larva is inoculated to each corn plant after 24 hours, and the steps are repeated for 4 times. After 48h, the number of dead insects was checked, and the dead insects were judged to be dead by touching the body of the dissecting needle with light touch and failing to respond normally. The assay data was used to calculate corrected mortality using Abbott's equation and LC using DPS data analysis software50And a virulence regression equation, and calculating the co-virulence coefficient (CTC) according to the formula.
TABLE 3 results of compounding of chlorantraniliprole and carbaryl on corn borer
The data in table 3 show that the blending of chlorantraniliprole and carbaryl has synergistic effect on corn borer, and the cotoxicity coefficient of 7 proportions is far more than 120.
Indoor virulence example 4: indoor toxicity of cyantraniliprole and carbaryl on spodoptera frugiperda
The combined internal drug absorption effect of the insecticidal composition on the corn borers is determined by a pot culture method. The sand is wetted with 20% MS culture solution, and is placed into plastic boxes with the size of 11cm multiplied by 9cm, 500g MS culture solution wetted sand is placed in each basin, and 12 corn seeds are sowed. Culturing in a greenhouse at 25 ℃ until the second leaf of the corn seedling is unfolded. 200mL of liquid medicine with series concentration is prepared from the reagent to be tested, 50 mL of liquid medicine is respectively used for root irrigation of corn seedlings in each pot, 1 head of 1-instar spodoptera frugiperda larva is inoculated to each corn plant after 24 hours, and the steps are repeated for 4 times. After 48h, the number of dead insects was checked, and the dead insects were judged to be dead by touching the body of the dissecting needle with light touch and failing to respond normally. The assay data was used to calculate corrected mortality using Abbott's equation and LC using DPS data analysis software50And a virulence regression equation, and calculating the co-virulence coefficient (CTC) according to the formula.
TABLE 4 compounded effect of cyantraniliprole and carbaryl on Spodoptera frugiperda
The data in Table 4 show that the mixture of cyantraniliprole and carbaryl has synergistic effect on spodoptera frugiperda, and the cotoxicity coefficients of 7 proportions are all more than 120.
Indoor virulence example 5: indoor toxicity of cyantraniliprole and carbaryl on cotton bollworm
The combined intrinsic toxicant absorption effect of the insecticidal composition on cotton bollworms is determined by a pot culture method. The sand is wetted with 20% MS culture solution, and is placed into plastic boxes with the size of 11cm multiplied by 9cm, 500g MS culture solution wetted sand is placed in each basin, and 12 corn seeds are sowed. Culturing in a greenhouse at 25 ℃ until the second leaf of the corn seedling is unfolded. 200mL of liquid medicine with series concentration is prepared from the reagent to be tested, 50 mL of liquid medicine is respectively used for root irrigation of corn seedlings in each pot, 1 head of bollworm larva with the age of 2 is inoculated to each corn plant after 24 hours, and the steps are repeated for 4 times. After 48h, the number of dead insects was checked, and the dead insects were judged to be dead by touching the body of the dissecting needle with light touch and failing to respond normally. The assay data was used to calculate corrected mortality using Abbott's equation and DPS data analysis software calculation LC50And a virulence regression equation, and calculating the co-virulence coefficient (CTC) according to the formula.
TABLE 5 compounded effect of cyantraniliprole and carbaryl on cotton bollworm
The data in Table 5 show that the compounded cyantraniliprole and the carbaryl has synergistic effect on cotton bollworms, and the cotoxicity coefficient of 7 proportions is far more than 120.
Indoor virulence example 6: indoor toxicity of cyantraniliprole and carbaryl on corn borer
The combined internal drug absorption effect of the insecticidal composition on the corn borers is determined by a pot culture method. The sand is wetted with 20% MS culture solution, and is placed into plastic boxes with the size of 11cm multiplied by 9cm, 500g MS culture solution wetted sand is placed in each basin, and 12 corn seeds are sowed. Culturing in a greenhouse at 25 ℃ until the second leaf of the corn seedling is unfolded. 200mL of liquid medicine with series concentration is prepared from the reagent to be tested, 50 mL of liquid medicine is respectively used for root irrigation of corn seedlings in each pot, 1-head 1-instar corn borer larva is inoculated to each corn plant after 24 hours, and the steps are repeated for 4 times. After 48h, the number of dead insects was checked, and the dead insects were judged to be dead by touching the body of the dissecting needle with light touch and failing to respond normally. The assay data was used to calculate corrected mortality using Abbott's equation and LC using DPS data analysis software50And a virulence regression equation, and calculating the co-virulence coefficient (CTC) according to the formula.
TABLE 6 Compound action results of cyantraniliprole and carbaryl on corn borer
The data in table 6 show that the mixture of cyantraniliprole and carbaryl has synergistic effect on corn borer, and the cotoxicity coefficient of 7 proportions is far more than 120.
Formulation examples
Formulation example 1
12.5g of chlorantraniliprole, 12.5g of carbaryl, 5g of dispersing agent 2700, 2g of wetting agent sodium dodecyl sulfate, 0.3g of xanthan gum, 0.8g of magnesium aluminum silicate and 66.9g of water are weighed. And (3) putting the obtained mixture into a sand mill, and sanding until the average particle size of particles is 1-2 microns, namely the 25% chlorantraniliprole-carbaryl suspending agent.
Formulation example 2
Weighing 5g of chlorantraniliprole, 45g of carbaryl, 3g of dispersant 2700, 4g of dispersant 2836, 2g of wetting agent sodium dodecyl sulfate, 0.2g of xanthan gum, 0.4g of magnesium aluminum silicate, 4g of glycol, 4g of film forming agent NDSF and 32.4g of water. And (3) putting the obtained mixture into a sand mill, and sanding until the average particle size of particles is 1-2 microns, namely the 50% chlorantraniliprole-carbaryl seed treatment suspending agent.
Formulation example 3
Weighing 0.6g of chlorantraniliprole, 0.6g of carbaryl, 1g of dispersant NNO, 1g of wetting agent sodium dodecyl sulfate, 0.5g of sodium carboxymethylcellulose and 96.3g of bentonite. The resulting mixture was mixed well and then 3.5 ml of water was added and mixed well. And extruding and granulating by adopting a 1 mm screen in an extrusion granulator, and drying to obtain 1.2 percent chlorantraniliprole-carbaryl rodlike granules with the diameter of about 1 mm.
Formulation example 4
Weighing 5g of cyantraniliprole, 25g of carbaryl, 3g of dispersant NNO, 1g of dispersant 2836, 2g of sodium lignosulfonate, 0.2g of xanthan gum, 0.5g of magnesium aluminum silicate, 4g of ethylene glycol, 3.5g of film-forming agent NDSF and 55.8g of water. And (3) putting the obtained mixture into a sand mill, and sanding until the average particle size of particles is 1-2 microns, namely the 30% cyantraniliprole-carbaryl seed treatment suspending agent.
Formulation example 5
Weighing 0.2g of cyantraniliprole, 1.2g of carbaryl, 1g of dispersant NNO, 1g of wetting agent nekal, 0.5g of sodium carboxymethylcellulose and 96.1g of bentonite. The resulting mixture was mixed well and then 3.5 ml of water was added and mixed well. And extruding and granulating by adopting a 1 mm screen in an extrusion granulator, and drying to obtain 1.4 percent cyantraniliprole-carbaryl granules with the diameter of 1 micron.
Application examples
Application example 1
One corn seed was sown per pot in a pot with a diameter of 11 cm. After 15 days of seedling emergence, 0.1mL of the 25% chlorantraniliprole-carbaryl suspension obtained in formulation example 1 was added dropwise to the root of each corn plant in a greenhouse at 25 ℃, and 24 hours later, 1 st larvae of Spodoptera frugiperda of 1 st was inoculated to each corn cob leaf. Each treatment was repeated 4 times with 25 pots of corn per repetition. The same dosage of chlorantraniliprole suspending agent single agent and carbaryl suspending agent single agent are treated as medicament control, and clear water treatment is used as blank control. The number of dead insects was investigated after 48h to calculate the control effect by correcting the mortality. The control effect of the 25 percent chlorantraniliprole-carbaryl suspending agent on spodoptera frugiperda is 100 percent, and the control effects of the single chlorantraniliprole and the single carbaryl are 81.3 +/-4.2 percent and 63.4 +/-3.9 percent respectively at the same dosage. The application proves that the prevention and control effect of the Spodoptera frugiperda can be obviously improved by mixing the chlorantraniliprole and the carbaryl compared with a single agent when the mixture is applied to the root of the corn.
Application example 2
The 50% suspension concentrate for chlorantraniliprole carbaryl seed treatment obtained in formulation example 2 was used to coat corn seeds in an amount of 2.5g AI/Kg seed, and the coated seeds were sown in pots having a diameter of 11cm, and one coated corn seed was sown per pot. Culturing in a greenhouse at 25 ℃, inoculating 1 st Spodoptera frugiperda larva in core leaves after 15 days of seedling emergence, and inoculating 1 st Spodoptera frugiperda larva in each corn seedling. Each treatment was repeated 4 times with 25 pots of corn per repetition. The corn seeds coated with the single dose of chlorantraniliprole and the single dose of carbaryl are used as drug controls, and the seeds treated with clear water are used as blank controls. The number of dead insects was investigated after 48h to calculate the control effect by correcting the mortality. The control effect of the 50 percent chlorantraniliprole-carbaryl seed treatment suspending agent on spodoptera frugiperda is 95.0 +/-3.6 percent, and the control effects of the single chlorantraniliprole and the single carbaryl are 71.6 +/-2.8 percent and 58.4 +/-2.4 percent respectively in the same dosage. The chlorantraniliprole and the carbaryl are proved to be mixed and used for seed treatment, and compared with a single agent, the effect of preventing and controlling the Spodoptera frugiperda can be obviously improved.
Application example 3
One corn seed was sown per pot in a pot with a diameter of 11 cm. After 15 days of emergence, 1g of cyantraniliprole-carbaryl granules 1.4% obtained in preparation example 5 was scattered on the root of each corn plant, and after further cultivation for 48 hours in a 25 ℃ greenhouse, 1 st spodoptera frugiperda larva was inoculated into the core leaves, and 1 st spodoptera frugiperda larva was inoculated into each corn seedling. Each treatment was repeated 4 times with 25 pots of corn per repetition. The cyantraniliprole single-dose granules and the carbaryl single-dose granules with the same dosage are used as medicament controls, and the corn without medicament application is used as a blank control. The number of dead insects was investigated after 48h to calculate the control effect by correcting the mortality. The control effect of 1.4 percent cyantraniliprole-carbaryl granules on spodoptera frugiperda is 91.5 +/-3.8 percent, and the control effects of the single chlorantraniliprole and the single carbaryl are 71.7 +/-1.2 percent and 55.2 +/-1.6 percent respectively in the same dosage. Proved that the cyantraniliprole and the carbaryl are mixed and used for the granules, compared with a single agent, the composite granules can obviously improve the control effect on Spodoptera frugiperda.
Application example 4
The 30% suspension concentrate for seed treatment of cyantraniliprole carbaryl obtained in formulation example 4 was used to coat cotton seeds at a seed rate of 2.5g AI/Kg, and the coated seeds were sown in pots having a diameter of 11cm, and one coated cotton seed was sown per pot. Culturing in a greenhouse at 25 deg.C, inoculating 1-year-old bollworm larva to seedling 10 days after emergence of seedlings, and inoculating 1-year-old bollworm larva to each seedling. Each treatment was repeated 4 times, and each repetition was repeated 25 pots of cotton. The same dosage of cyantraniliprole single dose and the same dosage of carbaryl single dose of coated cotton seeds are used as drug controls, and clear water treated seeds are used as blank controls. The number of dead insects was investigated after 36h to calculate the control effect by correcting the mortality. The control effect of 30 percent of cyantraniliprole-carbaryl seed treatment suspending agent on spodoptera frugiperda is 95.0 +/-2.6 percent, and the control effects of the same dose of cyantraniliprole single agent and the same dose of carbaryl single agent are 69.4 +/-3.1 percent and 57.3 +/-1.2 percent respectively. The mixture of cyantraniliprole and carbaryl is proved to be capable of obviously improving the prevention and control effect on cotton bollworms compared with a single agent when being used for seed treatment.
Application example 5
Sowing rice seeds on a seedling raising tray of 57.5cm multiplied by 27.5cm, and raising the seedlings in a greenhouse at 25 ℃ until the plant height is about 15 cm. Formulation example 3 the 1.2% chlorantraniliprole-carbaryl granules obtained in example 3 were uniformly spread on the seedling trays, and 30g of the granules were spread on each tray. The seedlings are gently stirred to make the particles fall on the roots of the seedlings. Transplanting the seedlings with the pesticide particles, repeating the treatment for 4 times, transplanting 50 seedlings with 10 seedlings in each nest for each time, inoculating chilo suppressalis larva seedlings after 1 week of transplanting, and inoculating 1 st chilo suppressalis larva in each nest. The single-dose chlorantraniliprole granules and the single-dose carbaryl granules with the same dose are used as drug controls, and seedlings without drug application are used as blank controls. The number of dead insects was investigated after 48h to calculate the control effect by correcting the mortality. The control effect of 1.2 percent of the chlorantraniliprole-carbaryl granules on the chilo suppressalis is 100 percent, and the control effects of the single dosage of the chlorantraniliprole granules and the single dosage of the carbaryl granules with the same dosage are 86.3 +/-5.2 percent and 60.5 +/-4.1 percent respectively. The results show that the prevention and control effect of the pesticide on chilo suppressalis can be obviously improved by mixing the chlorantraniliprole and the carbaryl compared with a single agent when the pesticide is used for treating rice seedling trays.
Claims (5)
1. A composition having an insecticidal activity, characterized in that the composition having an insecticidal activity comprises at least one mixture selected from the group consisting of (a) a compound selected from the group consisting of chlorantraniliprole, cyantraniliprole; (b) the compound group is carbaryl.
2. The synergistic insecticidal composition according to claim 1, wherein the weight ratio of the compound of group (a) to the compound of group (b) is 50: 1 to 1: 50.
3. The synergistic insecticidal composition according to claim 1, which is used for controlling crop chewing pests.
4. The use according to claim 4, wherein the chewing pests are Spodoptera frugiperda, Sesamia zeae, Heliothis armigera, Chilo suppressalis, Tryporyza incertulas, Cnaphalocrocis medinalis, and the like.
5. The synergistic insecticidal composition as claimed in claim 1, wherein the composition is formulated as suspension, seed treatment suspension, granule.
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| CN114982771A (en) * | 2022-06-17 | 2022-09-02 | 中国农业科学院植物保护研究所 | Synergistic pesticide composition containing carbaryl and triflumuron and application thereof |
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| CN114982771A (en) * | 2022-06-17 | 2022-09-02 | 中国农业科学院植物保护研究所 | Synergistic pesticide composition containing carbaryl and triflumuron and application thereof |
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