CN109699649B - Acaricidal composition containing cyflumetofen - Google Patents
Acaricidal composition containing cyflumetofen Download PDFInfo
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Abstract
The invention relates to the technical field of pesticides, and particularly relates to a cyflumetofen-containing acaricidal composition, which is prepared by compounding an active ingredient of a compound A and a compound B, wherein the mass ratio of the compound A to the compound B is (30-1): 1-30, wherein the compound A is cyflumetofen, and the compound B is ivermectin or bergenin. The acaricidal composition containing cyflumetofen has wider active range of the effective components, can select the optimal range aiming at different pesticide formulations, has different action mechanisms when acaricidal, and can delay the generation of the drug resistance of pest mites. The effective components have obvious synergistic effect, and compared with a single agent, the pesticide composition has the advantages of improving the control effect, reducing the use amount of pesticides, reducing the control cost and reducing pesticide residues.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to a cyflumetofen-containing acaricidal composition.
Background
Agricultural pest mites have the characteristics of small size, quick propagation and strong adaptability, leaf fall, bud fall and fruit fall are caused by destroying the normal physiological functions of plants, the crop yield is reduced, even the crops are harvested absolutely, and almost all crops are damaged by the pest mites at present. Chemical agents are the most commonly used method for preventing and controlling agricultural pest mites, but a series of problems such as drug resistance, pesticide residue, environmental pollution and the like can be caused by using a single chemical agent in a large dose for a long time, and the development and preparation of the novel acaricide have important significance for preventing and controlling crop pests.
Cyflumetofen (Cyflumetofen) is a novel acyl acetonitrile type touch acaricide, is approved to be registered and sold in japan in 2007, and is mainly used for controlling various harmful mites parasitizing on fruit trees, vegetables, tea and ornamental plants. Has high selectivity to mites, has no phytotoxicity to plants, and is an environment-friendly pesticide.
The tenvermectin (tenvermectin) belongs to a novel sixteen-membered macrolide, is a novel biogenic insecticidal and acaricidal compound, is disclosed in the patent of CN201410208660.9 at first, has better control effects on aphids, mites, lepidoptera pests and other pests harmful to crops compared with abamectin, ivermectin and milbemycin, and is a new-generation environment-friendly pesticide with very good prospect.
The patent of CN201510648187.0 discloses that bergenin has excellent acaricidal activity, is ecological and environment-friendly, has no pollution, no accumulation, easily-accessible raw materials, and is suitable for agricultural popularization.
At present, no related report on the compounding of cyflumetofen and ivermectin or bergenin is available.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The object of the present invention is to provide a cyflumetofen-containing acaricidal composition which overcomes the above-mentioned prior problems.
The technical scheme of the invention is as follows:
the acaricidal composition containing cyflumetofen comprises the effective components of a compound A and a compound B in a compounding manner, wherein the mass ratio of the compound A to the compound B is (30-1): 1-30, wherein the compound A is cyflumetofen, and the compound B is ivermectin or bergenin.
Preferably, the mass ratio of the cyflumetofen to the ivermectin is 9-1: 1-15.
Preferably, the mass ratio of the cyflumetofen to the bergapten is 20-1: 1-20.
The invention also provides a pesticide preparation containing the cyflumetofen-containing acaricidal composition as defined in claim 1, wherein the mass percentage of the compound A and the compound B in the total mass of the pesticide preparation is 2-85%, and the balance is an agriculturally and pharmaceutically acceptable auxiliary agent.
Preferably, the mass percentage of the compound A and the compound B in the total mass of the pesticide preparation is 22-50%.
Preferably, the dosage form of the pesticide preparation is any dosage form which is agriculturally allowed to use, and the dosage form comprises wettable powder, water dispersible granules, suspending agents and aqueous emulsion.
Preferably, the agriculturally and pharmaceutically acceptable auxiliary agent is composed of one or more of a filler, a wetting agent, an emulsifier, a solvent, a cosolvent, a dispersing agent, an adhesive, a disintegrating agent, a defoaming agent and an antifreezing agent.
The invention also provides application of the acaricidal composition or the pesticide preparation in controlling agricultural mites.
Compared with the prior art, the invention has the following beneficial effects:
(1) the acaricidal composition containing cyflumetofen belongs to a broad-spectrum insecticide with high efficiency and low toxicity, and is a safe pesticide without environmental pollution.
(2) The cyflumetofen in the acaricidal composition containing cyflumetofen has obvious synergistic effect when being compounded with the ivermectin or bergapten, so that the using dosage of pesticide is reduced, the prevention and treatment cost is reduced, and the environmental pressure is reduced.
(3) The acaricidal composition containing cyflumetofen has different acaricidal action mechanisms of cyflumetofen, ivermectin and bergapten, can delay the generation of drug resistance of harmful mites, and enables the pesticide to have a longer active period.
(4) The content of the effective components in the acaricidal composition containing cyflumetofen is wide, and the optimal content of the effective components can be selected according to different pesticide formulations.
Detailed Description
The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.
Example 1: 2% cyflumetofen and ivermectin water dispersible granule
0.7% of cyflumetofen technical material, 0.3% of ivermectin technical material, 2% of sodium lignosulfonate, 4% of calcium lignosulfonate, 6% of sodium isopropyl naphthalene sulfonate, 1% of sodium alkyl alcohol polyoxyethylene ether sulfate, 3% of glucose, 2% of xanthan gum and the balance of montmorillonite.
Example 2: 10% cyflumetofen and ivermectin emulsion in water
9% of cyflumetofen technical, 1% of ivermectin technical, 2% of acetone, 7% of xylene, 2% of Nongru No. 600, 2% of ethylene glycol, 0.5% of sodium benzoate, 1.2% of polyvinyl acetate and the balance of deionized water.
Example 3: 16% cyflumetofen and ivermectin suspension emulsion
1% of cyflumetofen technical, 15% of tianweisu technical, 2% of ethoxylated castor oil, 2% of nekal, 5% of calcium lignosulphonate, 1% of N-methyl-pyrrolidone, 4% of methylated soybean oil, 0.2% of natural killer, 0.5% of soluble starch and the balance of deionized water.
Example 4: 22% cyflumetofen and ivermectin wettable powder
19.8% of cyflumetofen technical, 2.2% of tianweisu technical, 9% of N-methyl-oleoyl-sodium taurate, 7% of sodium lauryl sulfate, 8% of light calcium carbonate and the balance of attapulgite.
Example 5: 32% cyflumetofen and ivermectin water dispersible granule
30% of cyflumetofen technical material, 2% of ivermectin technical material, 6% of N-methyl-oleoyl-sodium taurate, 5% of sodium lignosulfonate, 2% of sodium lauryl sulfate, 6% of sodium methylene naphthalene sulfonate, 6% of ammonium sulfate, 0.7% of gelatin and the balance of light calcium carbonate.
Example 6: aqueous emulsion of 51% cyflumetofen and ivermectin
50% of cyflumetofen technical, 1% of ivermectin technical, 6% of dimethyl sulfoxide, 4% of toluene, 4% of Nongru NP-10, 3% of glycerol, 2% of sodium benzoate, 0.5% of Arabic gum and the balance of deionized water.
Example 7: 71% cyflumetofen and ivermectin suspension emulsion
27% of cyflumetofen technical material, 44% of tianweisu technical material, 3% of Nongru No. 600, 3% of sodium lignosulfonate, 2% of nekal, 2% of glycol, 3% of dimethyl sulfoxide, 1% of sodium macerate, 0.7% of gelatin and the balance of deionized water.
Example 8: 85% cyflumetofen and ivermectin wettable powder
34% of cyflumetofen original drug, 51% of ivermectin original drug, 2% of sodium lignin sulfonate, 3% of sodium lauryl sulfate and the balance of montmorillonite.
Example 9: 2% cyflumetofen and bergapten water dispersible granule
1% of cyflumetofen technical material, 1% of bergapten technical material, 10% of epoxy polyether, 1% of calcium lignosulphonate, 8% of sodium lauryl sulfate, 3% of aluminum chloride, 3% of soluble starch and the balance of attapulgite.
Example 10: 16% cyflumetofen and bergapten emulsion in water
15% of cyflumetofen technical material, 1% of bergenin technical material, 10% of N-methyl-pyrrolidone, 4% of methyl oleate, 3% of agricultural emulsion OP-10, 1% of glycerin, 0.7% of natural enemy, 1% of polyvinyl acetate and the balance of deionized water.
Example 11: 21% cyflumetofen and bergapten suspension emulsion
20% of cyflumetofen technical material, 1% of bergenin technical material, 4% of ethoxylated castor oil, 2% of sodium methylene naphthalene sulfonate, 3% of sodium lignosulfonate, 3% of methylated soybean oil, 2% of ethylene glycol, 0.5% of natural enemy, 1% of methyl cellulose and the balance of deionized water.
Example 12: 36% cyflumetofen and bergapten wettable powder
15% of cyflumetofen technical material, 21% of bergapten technical material, 7% of calcium lignosulphonate, 7% of sodium isopropyl naphthalene sulfonate, 12% of light calcium carbonate and the balance of white carbon black.
Example 13: 47% cyflumetofen and bergapten water dispersible granule
18.8% of cyflumetofen technical material, 28.2% of bergenin technical material, 3% of nekal, 2% of N-methyl-oleoyl-sodium taurate, 6% of sodium isopropyl naphthalene sulfonate, 8% of sodium lauryl sulfate, 6% of glucose, 4% of carboxymethyl cellulose, 2% of diatomite and the balance of bentonite.
Example 14: 64% cyflumetofen and bergapten emulsion in water
27% of cyflumetofen technical material, 37% of bergenin technical material, 3% of methylated soybean oil, 2% of dimethyl sulfoxide, 4% of ethoxylated castor oil, 3% of glycerol, 1.5% of natural killer, 1% of methyl cellulose and the balance of deionized water.
Example 15: 75% cyflumetofen and bergapten suspension emulsion
49% of cyflumetofen technical material, 26% of bergapten technical material, 3% of ethoxylated castor oil, 3% of alkylamido taurinate, 2% of sodium methylene naphthalene sulfonate, 2% of cyclohexanone, 1% of Arabic gum and the balance of deionized water.
Example 16: 85% cyflumetofen and bergapten wettable powder
42.5% of cyflumetofen technical material, 42.5% of bergenin technical material, 3% of nekal, 3% of calcium dodecyl benzene sulfonate and the balance of diatomite.
The existing conventional method is adopted when preparing wettable powder, water dispersible granules, suspending agent and aqueous emulsion in the above embodiments.
Example 17: indoor toxicity determination test of acaricidal composition containing cyflumetofen
Test subjects: tetranychus cinnabarinus harvested from field, Tetranychus cinnabarinus harvested from orchard, Tetranychus urticae and Tetranychus urticae are bred in laboratory until adult mites.
Test agent and treatment:
the tested medicaments are 95.5 percent of ivermectin technical material and 95 percent of cyflumetofen technical material, the two technical materials are firstly prepared into mother liquor by acetone, and then are prepared into 6 series of mass concentrations by 0.1 percent of tween-80
The test method comprises the following steps: leaf-dish spraying method (refer to pesticide indoor bioassay standard insecticide part 13)
Plant leaves with consistent growth (cotton leaves, citrus leaves and apple leaves are respectively selected according to different mites) are selected and made into leaf disks by a puncher. A piece of wet sponge was placed in the petri dish, filter paper was placed on it, and then 2 leaf discs were placed on the filter paper. The bred adult mites were inoculated onto the leaf discs, 20 heads per leaf disc. Placing the culture dish on a bottom plate of a Potter spray tower for spraying, wherein the liquid spraying amount is 1mL, each treatment is repeated for 4 times, the treatment without the medicament is used as a blank control, and the liquid medicament is taken out after being settled for 1min and transferred to a temperature of 25 +/-1 ℃ and a light cycle L: and D, feeding for 48h under the condition of 16:8h, and observing and recording the total number of mites and the number of dead insects. And (3) calculating the mortality, processing the data by adopting a geometric value analysis method, solving LC50 values of virulence regression lines of the medicaments, and calculating the cotoxicity coefficient (CTC) of the mixed medicament according to a Sun cloud Pepper method.
The virulence index (ATI) was measured as (standard agent LC 50/test agent LC50) × 100.
Theoretical virulence index (TTI) ═ a agent virulence index x percent of a in the mixture + B agent virulence index x percent of B in the mixture.
Co-toxicity coefficient (CTC) × 100 [ measured toxicity index (ATI) of the mixture)/Theoretical Toxicity Index (TTI) of the mixture ].
Criteria are divided according to joint action: 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 results are shown in tables 1-2.
TABLE 1 indoor combined toxicity determination of cyflumetofen and vermectin for tetranychus cinnabarinus
As can be seen from table 1: after the cyflumetofen and the ivermectin are compounded, the mass ratio of the cyflumetofen to the ivermectin is 9-1: the co-toxicity coefficient to cotton tetranychus cinnabarinus within the range of 1-15 is more than 120, and the synergistic effect is obvious.
TABLE 2 indoor combined virulence determination of Tetranychus urticae and ivermectin for Tetranychus urticae
| Name and proportion of the medicament | LC50(mg/L) | ATI | TTI | CTC |
| Tianweimycin | 0.0655 | -- | 100.0000 | -- |
| Cyflumetofen | 6.4006 | -- | 1.2023 | -- |
| 1 of ivermectin: cyflumetofen 9 | 0.4276 | 15.3181 | 10.9210 | 140.2623 |
| 1 of ivermectin: cyflumetofen 6 | 0.3149 | 20.8003 | 15.1629 | 137.1789 |
| 1 of ivermectin: cyflumetofen 4 | 0.2018 | 32.4579 | 20.8187 | 155.9075 |
| 1 of ivermectin: cyflumetofen 2 | 0.1327 | 49.3595 | 34.0156 | 145.1085 |
| 1 of ivermectin: cyflumetofen 1 | 0.1004 | 65.2390 | 50.5117 | 129.1564 |
| And (2) ivermectin 2: cyflumetofen 1 | 0.0801 | 81.7728 | 67.0078 | 122.0348 |
| 4 of ivermectin: cyflumetofen 1 | 0.0627 | 104.4657 | 80.2047 | 130.0489 |
| Avermectin 6: cyflumetofen 1 | 0.0549 | 119.3078 | 85.8605 | 138.9555 |
| And (3) ivermectin 9: cyflumetofen 1 | 0.0435 | 150.5747 | 90.1023 | 167.1152 |
| And (3) ivermectin 12: cyflumetofen 1 | 0.0338 | 193.8443 | 92.3864 | 209.8191 |
| 15 parts of ivermectin: cyflumetofen 1 | 0.0512 | 127.9297 | 93.8140 | 136.3653 |
As can be seen from table 2: after the cyflumetofen and the ivermectin are compounded, the mass ratio of the cyflumetofen to the ivermectin is 9-1: the co-toxicity coefficient to the apple tetranychus urticae is more than 120 within the range of 1-15, and the synergistic effect is obvious.
Example 18: indoor toxicity determination test of acaricidal composition containing cyflumetofen
Test subjects: tetranychus cinnabarinus harvested from field, Tetranychus cinnabarinus harvested from orchard, Tetranychus urticae and Tetranychus urticae are bred in laboratory until adult mites.
Test agent and treatment:
the tested medicaments are 98 percent of bergenin original medicament and 95 percent of cyflumetofen original medicament, the two original medicaments are prepared into mother solution by acetone, and then are prepared into 6 series of mass concentrations by 0.1 percent of tween-80
The test method comprises the following steps: the results of the experiments are shown in tables 3-4 below, as in example 17.
TABLE 3 indoor joint toxicity assay of bergenin and cyflumetofen on Tetranychus cinnabarinus
| Name and proportion of the medicament | LC50(mg/L) | ATI | TTI | CTC |
| Bergenin | 0.0043 | -- | 100.0000 | -- |
| Cyflumetofen | 6.2805 | -- | 0.0685 | -- |
| Bergenin 1: cyflumetofen 20 | 0.0679 | 6.3328 | 4.8271 | 131.1932 |
| Bergenin 1: cyflumetofen 15 | 0.0521 | 8.2534 | 6.3142 | 130.7114 |
| Bergenin 1: cyflumetofen 10 | 0.0354 | 12.1469 | 9.1532 | 132.7072 |
| Bergenin 1: cyflumetofen 5 | 0.0209 | 20.5742 | 16.7237 | 123.0238 |
| Bergenin 1: cyflumetofen 3 | 0.00113 | 38.0531 | 25.0513 | 151.9004 |
| Bergenin 1: cyflumetofen 1 | 0.0061 | 70.4918 | 50.0342 | 140.8871 |
| Bergenin 3: cyflumetofen 1 | 0.0042 | 102.3810 | 75.0171 | 136.4768 |
| Bergenin 5: cyflumetofen 1 | 0.0024 | 179.1667 | 83.3447 | 214.9706 |
| Bergenin 10: cyflumetofen 1 | 0.0028 | 153.5714 | 90.9153 | 168.9170 |
| Bergenin 15: cyflumetofen 1 | 0.0037 | 116.2162 | 93.7543 | 123.9583 |
| Bergenin 20: cyflumetofen 1 | 0.0031 | 138.7097 | 95.2414 | 145.6402 |
As can be seen from table 3: after the cyflumetofen and the bergenin are compounded, the mass ratio of the cyflumetofen to the bergenin is 20-1: the co-toxicity coefficient to cotton tetranychus cinnabarinus within the range of 1-20 is more than 120, and the synergistic effect is obvious.
TABLE 4 indoor joint toxicity assay of bergenin and cyflumetofen on tetranychus cinnabarinus
| Name and proportion of the medicament | LC50(mg/L) | ATI | TTI | CTC |
| Bergenin | 0.0058 | -- | 100.0000 | -- |
| Cyflumetofen | 6.1425 | -- | 0.0944 | -- |
| Bergenin 1: cyflumetofen 20 | 0.0936 | 6.1966 | 4.8518 | 127.7163 |
| Bergenin 1: cyflumetofen 15 | 0.0702 | 8.2621 | 6.3385 | 130.3475 |
| Bergenin 1: cyflumetofen 10 | 0.0513 | 11.3060 | 9.1767 | 123.2031 |
| Bergenin 1: cyflumetofen 5 | 0.0192 | 30.2083 | 16.7454 | 180.3983 |
| Bergenin 1: cyflumetofen 3 | 0.0095 | 61.0526 | 25.0708 | 243.5207 |
| Bergenin 1: cyflumetofen 1 | 0.0083 | 69.8795 | 50.0472 | 139.6272 |
| Bergenin 3: cyflumetofen 1 | 0.0057 | 101.7544 | 75.0236 | 135.6298 |
| Bergenin 5: cyflumetofen 1 | 0.0051 | 113.7255 | 83.3491 | 136.4448 |
| Bergenin 10: cyflumetofen 1 | 0.0043 | 134.8837 | 90.9177 | 148.3581 |
| Bergenin 15: cyflumetofen 1 | 0.0031 | 187.0968 | 93.7559 | 199.5573 |
| Bergenin 20: cyflumetofen 1 | 0.0045 | 128.8889 | 95.2426 | 135.3269 |
As can be seen from table 4: after the cyflumetofen and the bergenin are compounded, the mass ratio of the cyflumetofen to the bergenin is 20-1: the co-toxicity coefficient to the apple tetranychus urticae ranges from 1 to 20 and is more than 120, and the synergistic effect is obvious.
In conclusion, the cyflumetofen in the acaricidal composition containing cyflumetofen has obvious synergistic effect when being compounded with the ivermectin or bergapten, can reduce the using dosage of pesticide, reduce the control cost and relieve the environmental stress, and has important significance for controlling pest mites.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. The acaricidal composition containing cyflumetofen is characterized in that the effective ingredients are compounded by a compound A and a compound B, and the mass ratio of the compound A to the compound B is 20-1: 1-20, wherein the compound A is cyflumetofen, and the compound B is bergenin.
2. A pesticide preparation containing the cyflumetofen-containing acaricidal composition as claimed in claim 1, wherein the mass percentage of the compound A and the compound B in the total mass of the pesticide preparation is 2-85%, and the balance is an agriculturally and pharmaceutically acceptable auxiliary agent.
3. The pesticide formulation as claimed in claim 2, wherein the mass percentage of the compound a and the compound B to the total mass of the pesticide formulation is 22-50%.
4. The pesticide preparation as claimed in claim 2, wherein the dosage form of the pesticide preparation is any dosage form which is agriculturally acceptable, including wettable powder, water dispersible granules, suspending agent and emulsion in water.
5. The pesticide formulation as claimed in claim 2, wherein the agriculturally and pharmaceutically acceptable auxiliary agents are composed of one or more of fillers, wetting agents, emulsifiers, solvents, cosolvents, dispersants, stickers, disintegrants, defoamers, and antifreezes.
6. Use of the acaricidal composition according to claim 1 or the pesticidal formulation according to any one of claims 2 to 5 for combating agricultural mites.
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