CN115005221A - Pesticide composition for preventing and treating wheat aphids - Google Patents
Pesticide composition for preventing and treating wheat aphids Download PDFInfo
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- CN115005221A CN115005221A CN202210780709.2A CN202210780709A CN115005221A CN 115005221 A CN115005221 A CN 115005221A CN 202210780709 A CN202210780709 A CN 202210780709A CN 115005221 A CN115005221 A CN 115005221A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P7/00—Arthropodicides
- A01P7/04—Insecticides
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- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The invention belongs to the technical field of pesticide research and development, and particularly relates to a pesticide composition for preventing and treating wheat aphids. A pesticide composition for preventing and treating wheat aphids is prepared from effective components of lepimectin and paichongding, pyrethrin, matrine or pyridalyl by binary compounding. The pesticide composition has a synergistic effect on wheat aphids within a certain mass ratio range, can improve the control effect on the wheat aphids, is beneficial to reducing the application amount of pesticides and environmental pollution, and reduces the control cost and pesticide residue of the pesticides.
Description
Technical Field
The invention belongs to the technical field of pesticide research and development, and particularly relates to a pesticide composition for preventing and treating wheat aphids.
Background
Wheat aphids are commonly called greasy insects and oilworm, are one of the main pests of wheat, can carry out piercing and sucking damage on wheat, and influence photosynthesis, nutrition absorption and conduction of the wheat. Wheat is damaged at the ear part after heading, blighted grains are formed, and the thousand grain weight is reduced, so that the yield is reduced.
At present, the prevention and treatment of wheat aphids are mainly carried out by spraying chemical agents, the chemical agents have the advantages of quick response and good prevention and treatment effects, but the chemical agents also have the negative effects of drug resistance, pesticide residues, environmental pollution and the like, and particularly have more remarkable negative effects under the condition of long-term application of single chemical agents. After different pesticide active ingredients are compounded, three action types can be shown: additive, synergistic and antagonistic. The compound with the synergistic effect can improve the control effect on target diseases and insect pests compared with a single agent, and is beneficial to reducing the application dosage of chemical agents, reducing pesticide residues and lightening the environmental pollution.
Lepidocin (generic name: Lepimectin) is an antibiotic insecticide developed by Sanko Japan. The lepimectin is used as an agonist of glutamic acid, acts on a glutamic acid-gated chloride channel, causes the permeability of a membrane to chloride ions to be increased, causes the hyperpolarization of resting potential of neurons, and blocks nerve conduction, thereby causing the muscle paralysis of the body wall of an insect, blocking the muscle peristalsis of the pharyngeal of the insect, causing feeding difficulty and causing death.
Application number CN201110058197.0 discloses an environment-friendly insecticidal composition containing a biological pesticide Lepimectin, and particularly discloses that Lepimectin and a neonicotinoid insecticide imidacloprid, acetamiprid, nitenpyram or thiamethoxam have a synergistic effect when used in combination, can be used for preventing and treating homopteran piercing-sucking mouthpart pests such as aphids, plant hoppers, whiteflies, leafhoppers and the like, and have a remarkable prevention effect.
The application number CN201110249577.2 discloses an insecticidal composition containing biological pesticide, and particularly discloses that when Lepimectin and buprofezin or pymetrozine are compounded, the synergistic effect is achieved within a certain mass ratio range, the using amount of effective components can be reduced, the cost is reduced, the generation of drug resistance of pests is delayed, the environmental pollution and pesticide residues are effectively reduced, and the control effect is obvious when the composition is used for controlling homoptera piercing-sucking mouthpart pests such as aphids, plant hoppers, whiteflies, leafhoppers and the like
A large number of experiments show that the tripterygium wilfordii and the paichongding, the pyrethrin, the matrine or the pyridalyl have obvious synergistic effect when binary compounding according to a certain mass ratio. No relevant report is found at present.
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 invention aims to provide a pesticide composition for preventing and treating wheat aphids, which aims to solve the problem existing in long-term application of a single chemical agent.
In order to realize the purpose, the invention provides the following technical scheme:
a pesticide composition for preventing and treating wheat aphids is prepared from effective components of lepimectin and paichongding, pyrethrin, matrine or pyridalyl by binary compounding.
Preferably, the mass ratio of the lepimectin to the paichongding is 1-10: 20-1.
Preferably, the mass ratio of the lepimectin to the pyrethrin is 1-9: 9-1.
Preferably, the mass ratio of the lepimectin to the matrine is 1-40: 60-1.
Preferably, the mass ratio of the lepimectin to the pyridalyl is 1-15: 10-1.
Compared with the prior art, the invention has the following beneficial effects:
when the two effective components in the pesticide composition are compounded, the synergistic effect is realized within a certain mass ratio range, the control effect on wheat aphids can be improved, the application amount of pesticides is reduced, the environmental pollution is reduced, and the control cost and the pesticide residue of the pesticides are reduced.
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.
Examples: indoor bioactivity test of lepimectin complex
1. Test subjects: the method comprises the following steps of (1) breeding binary wheat aphids in a wheat field for multiple generations in a laboratory, and selecting nymphs which are consistent in insect bodies, healthy and active as test objects;
2. reagent for testing
85% of lepimectin bulk drug (Qingdao Heliel pharmaceutical industry group, Inc.);
95% mepiquat chloride technical grade (Jiangsuchun crop science and technology Co., Ltd.);
70% pyrethrin raw material (yunnan treasure biotechnology, llc);
98% matrine technical material (Shanghai source leaf Biotech limited);
98% pyridalyl technical (Zhengzhou Anmu si chemical products Co., Ltd.).
3. The test method comprises the following steps: (refer to "NY/T1154.6-2006 indoor bioassay Standard for agricultural chemicals insecticide part 6: insect-soaking method for insecticidal Activity test")
3.1 dissolving the original medicine with dimethyl sulfoxide to prepare single-dose mother liquor, then diluting with 0.1% Tween-80 aqueous solution, setting multiple groups of ratios, setting multiple gradient mass concentrations of each single dose and each group of ratio mixture according to an equal ratio method, and setting 50mL of liquid medicine with each mass concentration.
3.2 soaking the test insects in the medicinal liquid for 10s, transferring the test insects to a normal condition for feeding after absorbing the redundant medicinal liquid by using filter paper, repeating the treatment for 4 times, soaking 20 insects for each time, and setting the treatment only containing dimethyl sulfoxide and 0.1% Tween-80 aqueous solution as a blank control.
3.3 observing the death condition of the tested insects 24h after the treatment, recording the total number of the insects and the number of the dead insects, calculating the corrected death rate of each treatment, then calculating the EC50 of each single agent and the mixed agent with different proportions by using DPS software, and calculating the cotoxicity coefficient (CTC value) of the mixed agent according to the Sun Yunpei method.
Measured virulence index (ATI) ═ (standard agent EC 50/test agent EC50) × 100;
theoretical virulence index (TTI) ═ a agent virulence index × percentage of a in the mixture + B agent virulence index × percentage 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 1-4.
TABLE 1 indoor biological Activity assay of Rapidulin and paichongding on wheat aphid
| Name and proportion of the medicament | EC50(mg/L) | ATI | TTI | CTC |
| Lepimectin | 7.74 | 100.00 | -- | -- |
| Pepper insect pyridine | 9.06 | 85.43 | -- | -- |
| Lepimectin 1: pepper 20 | 4.44 | 174.32 | 86.12 | 202.41 |
| Lepimectin 1: paichongding 15 | 3.18 | 243.40 | 86.34 | 281.90 |
| Lepimectin 1: pepper 10 | 5.71 | 135.55 | 86.75 | 156.25 |
| Lepimectin 1: paichongding 5 | 7.06 | 109.63 | 87.86 | 124.78 |
| Lepimectin 1: paichongding 1 | 1.27 | 609.45 | 92.72 | 657.33 |
| Lepimectin 5: paichongding 1 | 3.36 | 230.36 | 97.57 | 236.09 |
| Lepimectin 10: paichongding 1 | 5.84 | 132.53 | 98.68 | 134.31 |
As can be seen from Table 1, the ratio of 1-10: within the mass ratio range of 20-1, the co-toxicity coefficient of the complex preparation of the rapamitocin and the paichongding is more than 120, namely the biological activity of the complex preparation of the rapamitocin and the paichongding to wheat aphid shows synergistic effect.
TABLE 2 indoor biological Activity assay of Rapidulin and Pyrethrin combinations against wheat aphids
| Name and proportion of the medicament | EC50(mg/L) | ATI | TTI | CTC |
| Lepimectin | 7.74 | 100.00 | -- | -- |
| Pyrethrin | 2.39 | 323.85 | -- | -- |
| Lepimectin 1: pyrethrin 9 | 1.47 | 526.53 | 301.46 | 174.66 |
| Lepimectin 1: pyrethrin 7 | 1.24 | 624.19 | 295.87 | 210.97 |
| Lepimectin 1: pyrethrin 5 | 0.88 | 879.55 | 286.54 | 306.95 |
| Lepimectin 1: pyrethrin 3 | 0.64 | 1209.38 | 267.89 | 451.45 |
| Lepimectin 1: pyrethrin 1 | 1.91 | 405.24 | 211.92 | 191.22 |
| Lepimectin 3: pyrethrin 1 | 2.05 | 377.56 | 155.96 | 242.08 |
| Lepimectin 5: pyrethrin 1 | 3.17 | 244.16 | 137.31 | 177.82 |
| Lepimectin 7: pyrethrin 1 | 1.51 | 512.58 | 127.98 | 400.51 |
| Lepimectin 9: pyrethrin 1 | 2.23 | 347.09 | 122.38 | 283.60 |
As can be seen from Table 2, the ratio of 1-9: 9-1, the co-toxicity coefficient of the complex of the rapamitocin and the pyrethrin is more than 120, namely the biological activity of the complex of the rapamitocin and the pyrethrin to wheat aphid shows synergistic effect.
TABLE 3 indoor determination of biological Activity of Rapidulin and matrine combinations against wheat aphids
As can be seen from Table 3, the ratio of 1-40: within the mass ratio range of 60-1, the co-toxicity coefficient of the complex of the lepimectin and the matrine is more than 120, namely the biological activity of the complex of the lepimectin and the matrine to wheat aphid shows synergistic effect.
TABLE 4 indoor biological Activity assay of Rapidulin and pyridalyl combinations against wheat aphids
| Name and proportion of the medicament | EC50(mg/L) | ATI | TTI | CTC |
| Lepimectin | 7.74 | 100.00 | -- | -- |
| Pyridalyl | 4.29 | 180.42 | -- | -- |
| Lepimectin 1: pyridalyl 10 | 2.95 | 262.37 | 173.11 | 151.57 |
| Lepimectin 1: pyridalyl 5 | 1.14 | 678.95 | 167.02 | 406.52 |
| Lepimectin 1: pyridalyl 1 | 2.24 | 345.54 | 140.21 | 246.44 |
| Lepimectin 5: pyridalyl 1 | 0.79 | 979.75 | 113.40 | 863.95 |
| Lepimectin 10: pyridalyl 1 | 0.66 | 1172.73 | 107.31 | 1092.83 |
| Lepimectin 15: pyridalyl 1 | 1.57 | 492.99 | 105.03 | 469.40 |
As can be seen from Table 4, the ratio of (1-15): within the mass ratio range of 10-1, the co-toxicity coefficient of the complex of the lepimectin and the pyridalyl is more than 120, namely the biological activity of the complex of the lepimectin and the pyridalyl on wheat aphids shows synergistic effect.
In conclusion, the co-toxicity coefficients of the lepimectin and the paichongding, the pyrethrin, the matrine or the pyridalyl are all larger than 120 when the lepimectin and the paichongding, the pyrethrin, the matrine or the pyridalyl are compounded according to a certain mass ratio, the synergistic effect is shown, the control effect on wheat aphids can be improved, the application amount of pesticides and the environmental pollution are reduced, and the control cost and the pesticide residue of the pesticides are reduced.
Claims (5)
1. A pesticide composition for preventing and treating wheat aphids is characterized in that the active ingredients are prepared by binary combination of lepistan and paichongding, pyrethrin, matrine or pyridalyl.
2. The pesticide composition for controlling wheat aphids as claimed in claim 1, wherein the mass ratio of the rapamitocin to the paichongding is 1-10: 20-1.
3. The pesticide composition for controlling wheat aphids as claimed in claim 1, wherein the mass ratio of the rapamitocin to the pyrethrin is 1-9: 9-1.
4. The pesticide composition for preventing and treating wheat aphids as claimed in claim 1, wherein the mass ratio of the lepimectin to the matrine is 1-40: 60-1.
5. A pesticide composition for controlling wheat aphids as claimed in claim 1, wherein the mass ratio of the rapamitocin to the pyridalyl is 1-15: 10-1.
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| CN202210780709.2A CN115005221B (en) | 2022-07-04 | 2022-07-04 | Pesticide composition for preventing and controlling wheat aphids |
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| CN202210780709.2A CN115005221B (en) | 2022-07-04 | 2022-07-04 | Pesticide composition for preventing and controlling wheat aphids |
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| CN115005221B CN115005221B (en) | 2023-10-13 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090111847A1 (en) * | 2006-03-09 | 2009-04-30 | Zhong Li | Preparation method and use of compounds having high insecticidal activities |
| CN106818764A (en) * | 2017-01-16 | 2017-06-13 | 山东省联合农药工业有限公司 | A kind of Pesticidal combination of novel pesticide |
| CN107027761A (en) * | 2017-05-13 | 2017-08-11 | 北京科发伟业农药技术中心 | A kind of Pesticidal combination of the ether of pyrrole containing fluoroform |
| JP2021165303A (en) * | 2021-07-07 | 2021-10-14 | 住友化学株式会社 | Pest control composition and pest control method |
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- 2022-07-04 CN CN202210780709.2A patent/CN115005221B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090111847A1 (en) * | 2006-03-09 | 2009-04-30 | Zhong Li | Preparation method and use of compounds having high insecticidal activities |
| CN106818764A (en) * | 2017-01-16 | 2017-06-13 | 山东省联合农药工业有限公司 | A kind of Pesticidal combination of novel pesticide |
| CN107027761A (en) * | 2017-05-13 | 2017-08-11 | 北京科发伟业农药技术中心 | A kind of Pesticidal combination of the ether of pyrrole containing fluoroform |
| JP2021165303A (en) * | 2021-07-07 | 2021-10-14 | 住友化学株式会社 | Pest control composition and pest control method |
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