CN111213657A - Composition for preventing and treating flea beetles and application thereof - Google Patents
Composition for preventing and treating flea beetles and application thereof Download PDFInfo
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- CN111213657A CN111213657A CN202010233698.7A CN202010233698A CN111213657A CN 111213657 A CN111213657 A CN 111213657A CN 202010233698 A CN202010233698 A CN 202010233698A CN 111213657 A CN111213657 A CN 111213657A
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- composition
- agent
- pyridaben
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- flea
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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
-
- 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
- A01N43/58—1,2-Diazines; Hydrogenated 1,2-diazines
Abstract
The invention relates to a flea beetle prevention and treatment composition and application thereof, wherein the effective components of the composition comprise sulfenamide and pyridaben, and the composition belongs to the technical field of insecticide compounding and application. The weight part ratio of the sulfamide to the pyridaben is 10: 1-1: 10, and the balance is the auxiliary agent. The insecticidal composition has the advantages of obvious synergy, quick response, long lasting effect, low medication cost, delayed pest drug resistance, convenience and safety in use and the like on the prevention and treatment of coleoptera yellow flea beetles, and has good treatment effect on lepidoptera pests such as diamond back moths, cabbage loopers, leaf rollers, vegetable leaf mites and the like.
Description
Technical Field
The invention belongs to the field of insecticide compounding for agricultural pest control, and particularly relates to a pesticide composition taking sulfenamide and pyridaben as effective components, which is mainly suitable for controlling coleoptera flavedo flea beetles.
Background
The sulfamide acts on an insect ryanodine receptor, causes a large amount of loss of calcium ions of cells, further causes the contraction function paralysis of muscle cells to cause the death of pests, and is a novel pesticide. At present, the pesticide has a wide insecticidal spectrum, has excellent control effects on lepidoptera pests such as leaf rollers, diamond back moths and beet armyworms, and is found to have high activity on flea beetles through research. The pesticide has long pesticide effect time, low toxicity, low residue and no pollution to human and livestock, so that the pesticide is widely applied to the prevention and control of agricultural pests.
The pyridaben is a quick-acting broad-spectrum acaricide with high toxicity to fish, shrimp and bee, low toxicity to birds and moderate toxicity to mammals. Mainly acts on the respiratory system of target pests, inhibits the respiratory metabolism of the pests and leads the pests to die by suffocation. The pesticide has strong contact killing performance, no systemic conduction and fumigation action, and high control effect on spider mites in each growth period; the pesticide also has good effect on citrus rust ticks, and has good quick action and long lasting period. Furthermore, pyridaben has a very good knockdown effect on fleas, but with prolonged use of pyridaben, fleas have developed varying degrees of resistance to it.
Phyllotreta striolata belongs to Coleoptera, phyllotaceae, called flea beetle for short, is usually harmful to leaf vegetables, mainly brassica oleracea, Chinese cabbage, flowering Chinese cabbage, radish, rape and other cruciferous vegetables, but also to solanaceous fruits, melons and beans. The phyllotreta striolata directly harms plants in two insect states of adults and larvae, and the adults eat leaves and are the heaviest in seedling stage; the remained land is mainly damaged buds and tender pods. The larvae only damage vegetable roots, eat root barks, bite off fibrous roots and make leaves wither and wither. In recent years, with the adjustment of planting structures and the abuse of chemical pesticides, the occurrence and resistance of phyllotreta striolata are increasing year by year. Especially in big leaf vegetable planting areas in south China and China, the resistance of phyllotreta striolata has already reached a very serious degree, the conventional medicament is difficult to control, and the development of novel insecticides is urgent.
The pesticide with single active component has certain disadvantages in the actual production process, is easy to generate drug resistance after being continuously used, and has the characteristics of poor prevention and treatment effect, high use cost, narrow insecticidal spectrum and the like. The compound use of pesticides is a common method for preventing and controlling agricultural resistant pests. The pesticide varieties are compounded and screened, and reasonable synergistic proportion is selected in an indoor combined toxicity test, so that the field control effect can be effectively improved, the dosage is reduced, the cost is reduced, the generation of the drug resistance of pests is delayed, and the service life of the pesticide is prolonged.
The inventor carries out intensive research on sulfenamide and pyridaben, finds that the composition has excellent control effect on lepidoptera pests and also has excellent control effect on flea beetles, is an excellent medicament for replacing fipronil to control resistant flea beetles, and has no report on the composition and the application thereof.
Disclosure of Invention
In order to solve the problems, the invention provides a flea beetle control composition which is efficient, low in toxicity, good in quick-acting performance and long in lasting period and application thereof.
According to the invention, through indoor combined toxicity measurement and field test efficacy demonstration, the weight ratio of the sulfamide to the pyridaben is determined to be 3: 1-1: 5, so that the insecticidal composition has an obvious synergistic effect, and has a better control effect compared with a single insecticide.
The technical scheme of the invention is as follows: a composition for preventing and treating flea beetle comprises effective components of sulfamide and pyridaben. The weight part ratio of the sulfamide to the pyridaben is 10: 1-1: 10. Typically, the weight percent of active ingredient in the composition is from 0.5% to 90% of the total weight.
More preferably: the weight part ratio of the sulfamide to the pyridaben is 3: 1-1: 5.
The pesticide composition can be prepared into dosage forms suitable for agriculture, such as suspending agents, missible oil, water dispersible granules, wettable powder and the like, by selecting appropriate pesticide preparation auxiliary components according to a known method by a person skilled in the art. The processing technology of various preparations of the invention is the prior art and can be changed according to different conditions.
Further, the composition is a suspending agent, and comprises 0.5-50% of sulfamide, 0.5-50% of pyridaben, 2-10% of a dispersing agent, 2-10% of a wetting agent, 0.01-2% of a defoaming agent, 0-2% of a thickening agent, 0-8% of an antifreeze agent and 100% of deionized water.
Wherein the dispersant is one or more of sodium lignosulfonate, calcium lignosulfonate, polycarboxylate and naphthalene sulfonate; the wetting agent is one or more of sodium methyl naphthalene sulfonate formaldehyde condensate, sodium dodecyl sulfate, sodium alkyl naphthalene sulfonate, tea saponin, lauryl sodium sulfate and nekal, and the defoaming agent is one or more of stearic acid metal soap, polyether and 20% polydimethylsiloxane emulsion; the thickening agent is one or more of xanthan gum, methyl cellulose, magnesium aluminum silicate and polyvinyl alcohol; the antifreeze agent is one or more of glycerol, urea, ethylene glycol and propylene glycol.
The composition provided by the invention has the following beneficial effects:
1. the composition provided by the invention consists of two medicaments with different action mechanisms, namely the sulfenamide and the pyridaben, is applied to the control of resistant flea beetles for the first time, can delay the generation of drug resistance of the flea beetles to the maximum extent, and has an obvious synergistic effect between 3: 1 and 1: 5.
2. The composition provided by the invention has better insecticidal effect than a single agent, reduces the using dosage of pesticide, and reduces the application cost and the influence of the pesticide on the environment.
3. Compared with the single agent, the invention reduces the risk of phytotoxicity; is safe to human and livestock, safe to non-target insects and good in environmental compatibility.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more concise and clear, the following description of the present invention will be made with reference to the embodiments, but the present invention is by no means limited to these examples. The following description is only for the purpose of illustrating preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention.
First, formula and preparation processing examples
Example one
Taking 20% of thiamethoxam and pyridaben suspending agent (SC) as an example, but the suspending agent is not limited to 20% in practical application, and can be reasonably optimized according to the preferable proportion in the technical scheme of the invention content, and the following concrete examples are provided:
5% of sulfamide, 15% of pyridaben, 3% of phenyl phenol polyoxyethylene ether phosphate, 1.5% of polycarboxylate, 0.15% of xanthan gum, 2.5% of glycerol and 0.8% of polydimethylsiloxane emulsion, and the balance of water, wherein the materials are sequentially put into a mixing reaction kettle according to the formula proportion and requirements, uniformly stirred, ground at high speed by a sand mill until the particle size D90 is 5 mu m, and homogenized and prepared into uniform grey suspension.
Example two
Taking 20% of thiamethoxam and pyridaben missible oil (EC) as an example, but the practical application is not limited to 20%, and the missible oil can be reasonably optimized according to the preferable proportion in the technical scheme of the invention content part, and specifically illustrates that:
10% of sulfamide, 10% of pyridaben, 10% of fatty alcohol-polyoxyethylene ether, 5% of alkyl benzene sulfonate and heavy aromatic solvent oil, wherein the total amount of the heavy aromatic solvent oil is up to 100%, the components are weighed according to a certain proportion, and then are mixed, stirred, processed and filtered to prepare 20% sulfamide-pyridaben emulsifiable concentrate, and a proper amount of xylene can be added according to actual needs.
EXAMPLE III
Taking 24% thiamethoxam and pyridaben Wettable Powder (WP) as an example, but the pesticide composition is not limited to 24% in practical application, and can be reasonably optimized according to a preferable proportion in the technical scheme of the invention content part, and the specific examples are as follows:
4% of thiamethoxam amide, 20% of pyridaben, 5% of calcium lignosulphonate, 3% of sodium dodecyl sulfate, 1% of tea saponin, 5% of white carbon black, 8% of talcum powder and the balance of washing kaolin. The technical product and other auxiliary agents are uniformly mixed and then are crushed into powder with the particle size D90 being less than 25 mu m by high-speed airflow, and the powder is grey white and powdery solid with good fluidity.
Example four
Taking 20% of thiamethoxam and pyridaben water dispersible granule (WG) as an example, but the water dispersible granule is not limited to 20% in practical application, and can be reasonably optimized according to a preferable proportion in the technical scheme of the invention content, and the specific examples are as follows:
15% of thiamethoxam amide, 5% of pyridaben, 8% of sodium salt of a naphthalenesulfonic acid condensate, 5% of sodium dodecyl sulfate, 15% of ammonium sulfate, 2% of white carbon black, 5% of light calcium carbonate and the balance of washing kaolin. The raw medicine and other auxiliary agents are mixed uniformly, air-powdered, kneaded by adding water, granulated and dried.
Secondly, the indoor biological activity measurement and the field efficacy demonstration of the composition
1. Indoor toxicity determination method of sulfamide and pyridaben on phyllotreta striolata adults
By using a Potter spraying method, diluting each reagent to be tested into mother liquor with a certain concentration by using a small amount of analytically pure acetone and distilled water (the volume ratio of the acetone to the distilled water is 2: 8), adding 0.1% of tween-80 serving as an emulsifier, and diluting the mixture into 5 series of concentrations by using distilled water according to an equal ratio for later use. The test insects were collected from Farmland vegetable hearts of the great town of Fushan, Guangdong province, and were used for the tests after indoor breeding for 48 hours. After the test insects are trickled down by ether, the test insects are picked into a 9cm culture dish and sprayed by a Potter spray tower, the spraying liquid amount is 2ml, the settling time is 30s, 4 times of repetition are set for each concentration, 20 test insects are repeated every time, and distilled water (containing 20% acetone) is used as a control. After spraying the pesticide, picking the test insects into a prepared 500ml wide-mouth bottle, putting flowering cabbage in the bottle for feeding, sealing the bottle with gauze, placing the bottle in a room at 25 +/-1 ℃ for feeding after treatment, checking the number of dead insects after 48 hours, and making the test invalid when the mortality of a control group exceeds 10%.
Establishing toxicity regression equation with logarithmic value of drug concentration (mg/L) as independent variable and probability value for correcting death rate as function, performing statistical analysis with DPS statistical analysis software, and calculating LC of each drugS0And calculating the co-toxicity coefficient (CTC) of the compound medicament mixture according to the Sun Yunpei method. The co-toxicity coefficient CTC is calculated according to the following formula:
measured toxicity index (ATI) ═ standard medicament LC50Test agent). times.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
Cotoxicity coefficient (CTC) ═ ATI/TTI x 100
According to the division standard of the co-toxicity coefficient (CTC), the antagonism is shown by CTC less than 80, the additivity is shown by CTC less than 80 and the synergy is shown by CTC more than 120.
Test results show that the ratio of the thiamethoxam amide to the pyridaben is 3: 1, 1: 3 and 1: the co-toxicity coefficients of the 5 th-hour are 133.61, 158.18, 182.14 and 136.59 respectively, which shows that the mixture ratio of the sulfamide and the pyridaben has obvious synergistic effect on the phyllotreta striolata and is not simple addition effect.
TABLE 1 indoor toxicity test of Thiodiamide, pyridaben and its compound preparation for Phyllotreta striolata
2. Test of field efficacy of thiamethoxam amide and pyridaben composition on phyllotreta striolata imagoes
The test is carried out in Xuwen county in Guangdong, the growth period of the flowering cabbage is the leaf growth period, the flowering cabbage is not bolting, and on average, 4-8 heads of phyllotreta striolata adults exist in each flowering cabbage. Spraying stem and leaf with 30Kg water per mu by using a knapsack electric sprayer. The weather is good on the test day, no rainfall occurs, and the daily average temperature is 21-33 ℃.
The investigation method comprises randomly investigating the number of live flea beetles on 30 cabbage hearts in each cell, investigating at a fixed time point each time, investigating the population base number before applying the pesticide, investigating the number of residual insects in each treatment at 1d, 3d and 7d after applying the pesticide, calculating the population decline rate and the prevention and treatment effect, and repeating each treatment for 4 times.
The drug effect calculation method comprises the following steps:
oral cavity decline rate (%) (number of pre-drug oral cavity base-number of residual live insects)/total number of pre-drug insects × 100
Control effect (%) - (treatment area oral cavity decline rate-control area oral cavity decline rate)/(100-control area oral cavity decline rate) × 100
The test results in table 2 show that the first, second, third and fourth prepared agents 1d, 3d and 7d after application have excellent control effects on phyllotreta striolata on flowering cabbage, and the control effects are superior to those of a single agent, so that the compounding has remarkable synergistic effect, and excellent quick-acting property and lasting effect, the dosage can be reduced, the control effect can be improved, and no phytotoxicity is found during the test period for safety inspection.
Therefore, after the sulfamide and the pyridaben are compounded, the injury of the flea beetles of the cruciferous vegetables can be effectively prevented, and the composition has important values on improving the quality of the vegetables and increasing the yield and has stronger popularization and use values.
TABLE 2 Thiodiamide and pyridaben composition for controlling Phyllotreta striolata adults on cabbage heart test results
Claims (7)
1. A composition for controlling flea beetles, comprising: the effective components are sulfenamide and pyridaben, the weight part ratio of the sulfenamide to the pyridaben is 10: 1-1: 10, and the balance is an auxiliary agent.
2. The composition for controlling flea beetles according to claim 1, wherein: the weight part ratio of the sulfamide to the pyridaben is 3: 1-1: 5.
3. The composition for controlling flea beetles according to claim 1, wherein: the weight portion ratio of the sulfamide to the pyridaben is 1: 3.
4. A flea beetle control composition according to any one of claims 1 to 3 wherein: the formulation prepared from the composition is any one of suspending agent, missible oil, wettable powder and water dispersible granules.
5. The composition for controlling flea beetles according to claim 4, wherein: the formulation of the composition is a suspending agent, and the suspending agent comprises 0.5-50% of sulfenamide, 0.5-50% of pyridaben, 2-10% of a dispersing agent, 2-10% of a wetting agent, 0.01-2% of a defoaming agent, 0-2% of a thickening agent, 0-8% of an antifreeze agent and 100% of deionized water.
6. The composition for controlling flea beetles according to claim 5, wherein: the dispersant is one or more of sodium lignosulfonate, calcium lignosulfonate, polycarboxylate and naphthalene sulfonate; the wetting agent is one or more of sodium methyl naphthalene sulfonate formaldehyde condensate, sodium dodecyl sulfate, sodium alkyl naphthalene sulfonate, tea saponin, lauryl sodium sulfate and nekal, and the defoaming agent is one or more of stearic acid metal soap, polyether and 20% polydimethylsiloxane emulsion; the thickening agent is one or more of xanthan gum, methyl cellulose, magnesium aluminum silicate and polyvinyl alcohol; the antifreeze agent is one or more of glycerol, urea, ethylene glycol and propylene glycol.
7. The application of the flea beetle control composition according to claim 1 to control flea beetles on vegetables, wherein the flea beetles are phyllotreta striolata which endangers cruciferous vegetables.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010233698.7A CN111213657A (en) | 2020-03-27 | 2020-03-27 | Composition for preventing and treating flea beetles and application thereof |
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| CN202010233698.7A CN111213657A (en) | 2020-03-27 | 2020-03-27 | Composition for preventing and treating flea beetles and application thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014247A (en) * | 2004-07-01 | 2007-08-08 | 杜邦公司 | Synergistic mixtures of anthranilamide invertebrate pest control agents |
| CN102113516A (en) * | 2010-01-05 | 2011-07-06 | 海南正业中农高科股份有限公司 | Insect killing compound containing chlorantraniliprole |
| CN104920441A (en) * | 2015-07-02 | 2015-09-23 | 青岛泰生生物科技有限公司 | Pesticide composition for preventing and treating striped flea beetles |
| CN105153113A (en) * | 2013-01-25 | 2015-12-16 | 青岛科技大学 | 3, 5-thiobenzamide dihalide insecticide |
| CN105340899A (en) * | 2015-11-19 | 2016-02-24 | 广东中迅农科股份有限公司 | Sterilization composition containing cyantraniliprole and pyridaben |
-
2020
- 2020-03-27 CN CN202010233698.7A patent/CN111213657A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014247A (en) * | 2004-07-01 | 2007-08-08 | 杜邦公司 | Synergistic mixtures of anthranilamide invertebrate pest control agents |
| CN102113516A (en) * | 2010-01-05 | 2011-07-06 | 海南正业中农高科股份有限公司 | Insect killing compound containing chlorantraniliprole |
| CN105153113A (en) * | 2013-01-25 | 2015-12-16 | 青岛科技大学 | 3, 5-thiobenzamide dihalide insecticide |
| CN104920441A (en) * | 2015-07-02 | 2015-09-23 | 青岛泰生生物科技有限公司 | Pesticide composition for preventing and treating striped flea beetles |
| CN105340899A (en) * | 2015-11-19 | 2016-02-24 | 广东中迅农科股份有限公司 | Sterilization composition containing cyantraniliprole and pyridaben |
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Application publication date: 20200602 |