CN109730082B - Acetamiprid powder for preventing and treating termites - Google Patents
Acetamiprid powder for preventing and treating termites Download PDFInfo
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- CN109730082B CN109730082B CN201910001671.2A CN201910001671A CN109730082B CN 109730082 B CN109730082 B CN 109730082B CN 201910001671 A CN201910001671 A CN 201910001671A CN 109730082 B CN109730082 B CN 109730082B
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- powder
- acetamiprid
- termite
- termites
- fly ash
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- 241000256602 Isoptera Species 0.000 title claims abstract description 60
- 239000000843 powder Substances 0.000 title claims abstract description 52
- WCXDHFDTOYPNIE-RIYZIHGNSA-N (E)-acetamiprid Chemical compound N#C/N=C(\C)N(C)CC1=CC=C(Cl)N=C1 WCXDHFDTOYPNIE-RIYZIHGNSA-N 0.000 title claims abstract description 38
- 239000005875 Acetamiprid Substances 0.000 title claims abstract description 38
- 239000010881 fly ash Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 14
- 231100000419 toxicity Toxicity 0.000 abstract description 11
- 230000001988 toxicity Effects 0.000 abstract description 11
- 239000000575 pesticide Substances 0.000 abstract description 6
- 230000000607 poisoning effect Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009472 formulation Methods 0.000 description 14
- 239000003814 drug Substances 0.000 description 11
- 239000005906 Imidacloprid Substances 0.000 description 10
- 229940056881 imidacloprid Drugs 0.000 description 10
- YWTYJOPNNQFBPC-UHFFFAOYSA-N imidacloprid Chemical compound [O-][N+](=O)\N=C1/NCCN1CC1=CC=C(Cl)N=C1 YWTYJOPNNQFBPC-UHFFFAOYSA-N 0.000 description 10
- 238000011282 treatment Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 229940079593 drug Drugs 0.000 description 8
- 238000003197 gene knockdown Methods 0.000 description 8
- 230000002147 killing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000003053 toxin Substances 0.000 description 6
- 231100000765 toxin Toxicity 0.000 description 6
- ZOCSXAVNDGMNBV-UHFFFAOYSA-N 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazole-3-carbonitrile Chemical compound NC1=C(S(=O)C(F)(F)F)C(C#N)=NN1C1=C(Cl)C=C(C(F)(F)F)C=C1Cl ZOCSXAVNDGMNBV-UHFFFAOYSA-N 0.000 description 5
- 239000005899 Fipronil Substances 0.000 description 5
- 229940013764 fipronil Drugs 0.000 description 5
- 241001529733 Nepeta Species 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000700605 Viruses Species 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- -1 chloronicotinyl Chemical group 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 241000866536 Odontotermes formosanus Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 235000011609 Pinus massoniana Nutrition 0.000 description 1
- 241000018650 Pinus massoniana Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241001249839 Reticulitermes chinensis Species 0.000 description 1
- 241000242873 Scopolia Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses acetamiprid powder for preventing and treating termites. The pesticide composition is prepared by mixing 0.005-0.4 mass percent of acetamiprid powder and fly ash, the powder is directly sprayed on the surface of the termite, rapid knockdown of the termite is avoided, 1-2 times of toxicity transfer can be completed, the pesticide composition has good toxicity transfer effect, better contact poisoning effect and good environmental compatibility, and the dosage of the pesticide composition can be reduced.
Description
Technical Field
The invention relates to a termite control powder, in particular to an acetamiprid powder for controlling termites.
Background
Termites are major agricultural and forestry pests worldwide and have the characteristics of large population quantity, high concealment, strong destructiveness and the like. The termite trapping and killing method is the most extensive termite control technology adopted in the world at present, and the principle of the termite trapping and killing method is that the drugs are brought into a termite nest group by utilizing the behaviors of feeding, licking and the like of the termites, and the drugs are transmitted in a short time, so that more individuals in the termite nest body are killed, and even the effect of killing the whole termite colony is achieved.
The existing Chinese invention patent discloses a termite powder containing fipronil or fipronil, wherein the content of fipronil in the powder is up to 10 percent, and the effective components of fipronil and fipronil are 1 to 8 percent and 1 to 8 percent respectively. However, the powder described above has the following disadvantages: 1. the content of the active ingredients of the powder is more than 1 percent, the pesticide content is high, and the powder is not good for the health of human bodies and the safety of the environment; 2. the powder has short termite-killing time, is not favorable for the transmission of the medicine among nests and has poor toxin transmission effect.
The existing Chinese invention patent discloses a termite powder containing imidacloprid, which generally adopts two types of effective components, and the imidacloprid content in the preparation is more than 1 percent. The above formulation has the following disadvantages: 1. the application methods of the preparation are water-mixed spraying, and the spraying equipment is needed, so that the operation is complex; 2. the water aqua is easy to cause groundwater pollution; 3. the powder has short termite-killing time, is not favorable for the transmission of the medicine among nests and has poor toxin transmission effect.
Disclosure of Invention
The invention aims to provide the powder for preventing and controlling the termites, which contains the acetamiprid with the chronic lethal characteristic, and has the advantages of small adding amount of active ingredients, low cost and effectiveness.
Although acetamiprid is a chloronicotinyl insecticide and only plays a good control role in the control of agricultural pests, no report on acetamiprid for termite control has been found so far.
The invention provides a termite control powder prepared from acetamiprid, which comprises the following specific steps:
the powder mainly comprises acetamiprid and fly ash.
The acetamiprid accounts for 0.005-0.4% of the total mass of the powder.
The mass content of the acetamiprid is 0.05-0.2%, preferably 0.05%, 0.1% or 0.2%.
The fly ash is 150 meshes and 300 meshes, preferably 200 meshes.
The powder is prepared by directly and uniformly mixing acetamiprid and fly ash.
The invention takes the fly ash and the acetamiprid powder as the combined raw materials, has better contact killing effect on termites, only takes the acetamiprid as the effective component, and the powder is directly sprayed on the surfaces of the termites, thereby not causing the rapid knockdown of the termites, completing the toxin transfer for 1-2 times and having good toxin transfer effect.
The proportion of the invention is weight percentage.
Compared with the prior art, the invention has the following effects:
1) the dosage of the medicament is small, so that the production cost can be reduced, and the application cost can be saved;
2) the invention realizes better killing effect on the termites under the same dosage, or requires smaller dosage under the same killing effect on the termites.
3) Overcomes the defect that the existing agent quickly knocks down the termites, is convenient for the toxicity transfer of the termites to the agent, enhances the killing effect on the whole termite colony, and has good toxicity transfer effect;
4) the invention has high porosity, large specific surface area and strong adsorption capacity, thereby reducing the dosage, improving the drug effect and reducing the production cost, and meanwhile, the invention is more environment-friendly, does not cause pollution to the environment, is safe to people and livestock and has good environmental compatibility.
The powder can replace termite powder in the existing market, and has small influence on the environment and safe use.
Detailed Description
Through extensive and intensive research, researchers of the invention find that the acetamiprid is adsorbed in the slow-release carrier active fly ash to prepare the drug powder with the content of the acetamiprid being 0.05-0.4%, the drug powder is directly sprayed on the surface of the termite body, the rapid knock-down of the termite is not caused, the 1-2 times of virus transmission can be completed, and the drug powder has a good virus transmission effect. The present invention has been completed based on this finding.
The present invention will be described in further detail with reference to examples, and specific embodiments will be given below.
Formula 1: 0.005% of acetamiprid and 99.995% of fly ash.
And (2) formula: 0.01 percent of acetamiprid and 99.99 percent of fly ash.
And (3) formula: 0.025 percent of acetamiprid and 99.975 percent of fly ash.
And (4) formula: 0.05 percent of acetamiprid and 99.95 percent of fly ash.
And (5) formula: 0.1 percent of acetamiprid and 99.9 percent of fly ash.
And (6) formula: 0.2 percent of acetamiprid and 99.8 percent of fly ash.
And (3) formula 7: 0.4 percent of acetamiprid and 99.6 percent of fly ash.
The components are mixed uniformly by a conventional process, and the mixture is detected and packaged.
The termite powder of the formulas 1 to 7 is tested for the poisoning effect on the Sclerodonta formosanus, and the test results are as follows.
Test insect species
The termite used in the powder spraying test at this time was Reticulitermes chinensis Snyder. Collecting damaged Pinus massoniana, taking back to laboratory, storing in polyethylene container, feeding with pine wood for 2 weeks under conditions of 25 + -1 deg.C, relative humidity 80 + -5%, and dark shading.
Test method
1. Formula 1-7 has poisoning effect on odontotermes formosanus
In each dish, 30 healthy workers of Steptotermes formosanus were placed in dishes of 9cm diameter. 10mg of the powder was uniformly sprayed on the workers to uniformly attach the powder to the termites in the petri dish. Then, the termites were transferred to a fine sand-covered (10 g of sand sieved through a 40 mesh sieve and sterilized, and wetted with 1ml of distilled water) petri dish. The culture dish was placed in a climatic chamber at 25 + -1 deg.C and 80 + -5% relative humidity, and termite death was continuously observed and recorded, as compared to a worker termite of Nepeta melanothorax without any treatment with chemicals. Each treatment was repeated 3 times.
Test results
TABLE 1 poisoning Effect of formulations 1-7 on Staptotermes formosanus
Note: the data in the table are mean ± standard deviation, with the same column numbers followed by different lower case letters indicating significant differences at the 5% level by the "Tukey HSD" method.
As can be seen from Table 1, after 1d of the treatment, the mortality rate of the Sclerodon formosanus processed by the formulas 1 and 2 is less than 20%, while the mortality rate of the formulas 3 to 7 is higher than 50%; after 3d, the mortality rate of the termites in the formula 1 and the formula 2 is less than 50%, and the mortality rate of the termites in the formula 3 to the formula 7 is higher than 80%; the mortality rates of the formulas 3-7 are all 100% 5 days after the drug is applied. As the Kt50 is generally considered to be shorter than 5 hours or longer than 3 days, good toxicity transmission effect is difficult to achieve outdoors. Thus, as can be seen from Table 1, formulations 3-7 are ideal as a poisoning powder.
2. Formulations 1-7 show reciprocal efficacy effects on Scopolia formosana
In order to verify the knockdown effect of the formulas 1 to 7 on the termites with the black breast, the pesticide is directly sprayed on the surfaces of the termites, the termites cannot be knocked down quickly, after the pesticide is applied, the half knockdown time (Kt50) of the termites is close to or far more than 5 hours, at least 1 time of toxin transfer can be completed, and the high knockdown rate of the toxin transfer is high. Therefore, has good toxicity transmission effect.
TABLE 2 comparison of the knockdown efficacy (days) of formulations 1-7 against Steptotermes formosanus
As can be seen in Table 2 above, formulations 1-2 had Kt50 values greater than 3 days, which resulted in longer knockdown times and adverse drug delivery between termite nests. The Kt50 for formulations 3-7 was less than 1 day and greater than 6 hours. As the Kt50 is generally considered to be more than 5h in the industry, the formulas 3 to 7 can obtain better toxicity-transferring effect outdoors.
3. In order to verify the toxicity transfer effect of the fly ash adsorbing the acetamiprid powder, a toxicity transfer test is also carried out on the formulas 3 to 7.
Formulations 1-7 delivery of toxicity of agents to the Black chest Ant colony
In each dish, 30 healthy workers of Steptotermes formosanus were placed in dishes of 9cm diameter. 10mg of the powder was uniformly sprayed on the workers to uniformly attach the powder to the termites in the petri dish. After 3h, 10 infected workers still normally moving were transferred to another petri dish (phi 9cm, bottom laid with 2 layers of wet filter paper) containing 20 healthy workers for feeding and observation. The culture dish was placed in a climatic chamber at 25 + -1 deg.C and 80 + -5% relative humidity, and termite death was continuously observed and recorded, as compared to a worker termite of Nepeta melanothorax without any treatment with chemicals. Each treatment was repeated 3 times.
The results are shown in Table 3.
TABLE 3 delivery of toxicity of formulations 1-7 in Black chest Ant colony
Note: the data in the table are mean ± standard deviation, with the same column numbers followed by different lower case letters indicating significant differences at the 5% level by the "Tukey HSD" method.
The results in table 3 above show that all formulations 3-7 can achieve one-time detoxification, and the death time is significantly shortened with increasing acetamiprid powder concentration, wherein formulation 7 can be completely killed after 1 day of delivery. After 5 days, the mortality rate of all treatments except for formula 3 was 100%.
4. Comparison of the acetamiprid powder and the imidacloprid-containing termite control powder
In each dish, 30 healthy workers of Steptotermes formosanus were placed in dishes of 9cm diameter. 10mg of acetamiprid powder (namely acetamiprid and fly ash) or imidacloprid powder (namely imidacloprid and fly ash) which is prepared by replacing acetamiprid with imidacloprid is uniformly sprayed on the workers, so that the termites in the culture dish are uniformly stained with the powder. Then, the termites were transferred to a fine sand-covered (10 g of sand sieved through a 40 mesh sieve and sterilized, and wetted with 1ml of distilled water) petri dish. The culture dish was placed in a climatic chamber at 25 + -1 deg.C and 80 + -5% relative humidity, and termite death was continuously observed and recorded, as compared to a worker termite of Nepeta melanothorax without any treatment with chemicals. Each treatment was repeated 3 times.
TABLE 4 poisoning Effect of formulations 4-6 and the same dose of Imidacloprid powder on Sclerodon parasiticus
Note: the data in the table are mean ± standard deviation, with the same column numbers followed by different lower case letters indicating significant differences at the 5% level by the "Tukey HSD" method.
The results in Table 4 show that 3 days before treatment, except for 0.2% imidacloprid powder, the remaining imidacloprid powder has significantly lower mortality rate to termites than the formulations 4-6. The treated 4d, 0.05% and 0.1% imidacloprid powders were also significantly lower than formulations 4 and 5.
Thus, it can be seen that the present invention achieves a better termite kill at the same dosage, or a lower dosage with the same termite kill.
From the results, the invention provides the powder capable of preventing and controlling the termites, the knockdown time of the drug is slowly released, the drug-loaded termites can return to the colony, and the toxicity transfer efficiency of the acetamiprid is obviously improved.
Claims (3)
1. An acetamiprid powder for preventing and controlling termites, which is characterized in that: the powder only consists of acetamiprid and fly ash; the fly ash is 150-300 meshes;
the acetamiprid accounts for 0.005-0.4% of the total mass of the powder.
2. The acetamiprid powder for controlling termites, according to claim 1, wherein: the mass content of the acetamiprid is 0.05-0.2%.
3. The acetamiprid powder for controlling termites, according to claim 1, wherein: the powder is prepared by directly and uniformly mixing acetamiprid and fly ash.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001671.2A CN109730082B (en) | 2019-01-02 | 2019-01-02 | Acetamiprid powder for preventing and treating termites |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910001671.2A CN109730082B (en) | 2019-01-02 | 2019-01-02 | Acetamiprid powder for preventing and treating termites |
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| Publication Number | Publication Date |
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| CN109730082A CN109730082A (en) | 2019-05-10 |
| CN109730082B true CN109730082B (en) | 2021-07-13 |
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| CN1072311A (en) * | 1992-10-21 | 1993-05-26 | 那福延 | A kind of insecticide carrier |
| CN105340882A (en) * | 2015-12-11 | 2016-02-24 | 江苏仁信作物保护技术有限公司 | Application of coal ash serving as pesticide powder filler |
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