CN105076185A - Insecticide composition with chlorfenapyr and neonicotinoid insecticides, and preparation and application of insecticide composition - Google Patents

Insecticide composition with chlorfenapyr and neonicotinoid insecticides, and preparation and application of insecticide composition Download PDF

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CN105076185A
CN105076185A CN201510519290.5A CN201510519290A CN105076185A CN 105076185 A CN105076185 A CN 105076185A CN 201510519290 A CN201510519290 A CN 201510519290A CN 105076185 A CN105076185 A CN 105076185A
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capillary
insecticide
insecticide composition
pesticidal combination
chlorfenapyr
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CN105076185B (en
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刘峰
慕卫
张大侠
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Shandong Agricultural University
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Shandong Agricultural University
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Abstract

The invention discloses an insecticide composition with chlorfenapyr and neonicotinoid insecticides, and a preparation and application of the insecticide composition. The insecticide composition comprises the chlorfenapyr and the neonicotinoid insecticides. The neonicotinoid insecticides are an optional type of imidacloprid, thiamethoxam, clothianidin, nitenpyram, thiacloprid, dinotefuran and acetamiprid. A mass ratio of the chlorfenapyr to the neonicotinoid insecticides is (0.05-20):1. An insecticide comprises the insecticide composition and auxiliary materials acceptable to the insecticide preparation with the insecticide composition. A mass percent content of the insecticide composition in the insecticide is 2%-6%. The insecticide composition, the preparation and the application have the advantages that obvious synergism effects can be realized for bradysia odoriphaga; the chlorfenapyr and the neonicotinoid insecticides have different action mechanisms, accordingly, the insecticide composition is beneficial to delaying development of pest resistance to the insecticide, and the service lives of the chlorfenapyr and the neonicotinoid insecticides can be prolonged; dosage of the neonicotinoid insecticides can be reduced, and accordingly neonicotinoid insecticide residual risks can be reduced; the preparation in various dosage forms is made of the insecticide composition, and accordingly excellent prevention and control effects can be realized for the bradysia odoriphaga.

Description

The Pesticidal combination of a kind of capillary and anabasine insecticide and preparation thereof and application
Technical field
The present invention relates to the Pesticidal combination of a kind of capillary and anabasine insecticide and preparation thereof and application, belong to technical field of pesticide.
Background technology
Capillary (Chlorfenapyr), chemical name is the bromo-2-of 4-(4-chlorphenyl)-1-ethoxyl methyl-5-trifluoromethyl pyrpole-3-nitrile, being a kind of aryl pyrrolines insecticidal/acaricidal agent that American Cyanamid Company is successfully developed in the later stage eighties 20th century by the chemical constitution transformation to natural antibiotics, is a kind of blocking agent of insect bodies mitochondrial oxidative phosphorylation.
Anabasine insecticide is a class efficient pesticides, and its mechanism of action is for acting on nAChR, and interference insect nervous system normally passes to, thus causes insect paralysis dead.Common anabasine insecticide has: Imidacloprid, Acetamiprid, Nitenpyram, Diacloden, clothianidin, thiacloprid, MTI-446, imidaclothiz and the pyridine of piperazine worm etc.Anabasine insecticide is to mammal low toxicity, and insecticidal activity is high.But anabasine insecticide also exists some shortcomings, as resistance risk is large.In addition, anabasine insecticide, to the harm of the insect pollinators such as honeybee, also more and more causes worldwide concern.
Agricultural chemicals single dose often restricts by factors such as control efficiency, the scope of application and poisoning in use, and along with the drug-fast enhancing of damage by disease and insect, control efficiency reduces.Agriculture chemical compounding can overcome the familiar lacunas of original agricultural chemicals single dose, for insecticide, conventional composite mode has: organic phosphates and organic phosphates, organic phosphor and plan chrysanthemum ester class, organic phosphor and carbamates, organic nitrogen and carbamates and organic nitrogen and plan chrysanthemum ester class etc.
Bradysia odoriphaga (BradysiaodoriphagaYangetZhang), is commonly called as fragrant-flowered garlic maggot, belongs to diptera, Nematocera, eye Sciaridae, Bradysia Sciara is the important soil insect of northern China Specialty vegetable leek, garlic, round onions and shallot of causing harm.The upper end of this insect pest main harm leek leaf sheath base and bulb, causes rotten, and even whole pier leek is dead, is the High risk population in leek plantation.
In recent years, due to the increase of facility leek cultivated area, cause the harm of fragrant-flowered garlic maggot to increase the weight of year after year.Common insecticides is undesirable to its control efficiency, and some local vegetable grower is a large amount of on leek uses high malicious insecticide, the residual quantity of leek Pesticides is significantly exceeded standard, therefore, screening is efficient, low toxicity, safety, eco-friendly medicament be very necessary.
Summary of the invention
The object of this invention is to provide the Pesticidal combination of a kind of capillary and anabasine insecticide and preparation thereof and application.The present invention is by being undertaken composite by capillary and anabasine insecticide, and obtained Pesticidal combination has obvious synergistic effect to Bradysia odoriphaga, is a kind of composition pesticide of efficient, low toxicity, low-residual; This Pesticidal combination is made the insecticide of various formulation, to the control efficiency that Bradysia odoriphaga has all had.
Pesticidal combination provided by the invention, it is made up of capillary and anabasine insecticide.
In above-mentioned Pesticidal combination, the controlling object of capillary mainly contains the vegetable-crop pest-insects such as diamond-back moth, cabbage caterpillar, beet armyworm, prodenia litura, Oeobia undalis, vegetable aphid, liriomyza bryoniae and thrips.
In above-mentioned Pesticidal combination, described anabasine insecticide can be any one in Imidacloprid, Diacloden, clothianidin, Nitenpyram, thiacloprid, MTI-446 and Acetamiprid.
Imidacloprid, cereal crop, potato, beet, oranges and tangerines, tobacco, tomato, deciduous fruit tree, vegetables and cotton etc. use, be mainly used in preventing and treating the sucking pest on the crops such as paddy rice, wheat, cotton, as aphid, leafhopper, thrips, trialeurodes vaporariorum and colorado potato beetle and wheat stem maggot etc.
Diacloden, rice class crop, beet, rape, potato, cotton, Kidney bean, fruit tree, peanut, sunflower, soybean, tobacco and oranges and tangerines etc. use, prevents and treats the insects such as various aphid, leafhopper, plant hopper, aleyrodid, chafer larva, colorado potato beetle, flea beetle, nematode, ground beetle, leaf miner and the insect to polytype chemical pesticide generation resistance.
Clothianidin, to be mainly used on paddy rice, vegetables, fruit tree and other crop anti-ly eliminating aphis, leafhopper, thrips, Semiptera, coleoptera, diptera and some Lepidoptera class pest such as plant hopper.
Nitenpyram, is mainly used in the aphid of the crops such as control paddy rice, vegetables, fruit tree and tealeaves, aleyrodid, rice-leaf hopper and thrips.
Thiacloprid, is mainly used in preventing and treating various pests on the multiple fruit tree such as the operatic circle, cotton and potato and vegetables as western rounded tail Aphis, and has special efficacy to the apple fertile leaf honeybee on apple, apple aphid and wooly aphis; To various beetle, colorado potato beetle, Lissorhoptrus oryzophilus Kuschel and lepidoptera pest as the leaf miner on apple tree and codling moth are also effective.
MTI-446, is mainly used in preventing and treating the multiple Hemipteran pest on paddy rice, fruit tree, vegetables etc. and some other important pests.
Acetamiprid, for preventing and treating the homoptera pest on vegetables, fruit tree, tea, potato, tobacco etc., as aphid, leafhopper, aleyrodid and a red-spotted lizard etc., lepidoptera pest is as diamond-back moth, dive fly, Grapholita spp etc., and coleopteran pest is as longicorn etc., and thrips order is as thrips etc.
Capillary and anabasine insecticide carry out composite by the present invention according to a certain percentage, by a large amount of biologicall tests screening, find that Pesticidal combination of the present invention shows obvious synergistic effect to Bradysia odoriphaga.Evaluate two kinds of mixed interactions of different activities component in the present invention with reference to Sun Yunpei (SunYP) method, wherein, co-toxicity coefficient is greater than 120 for synergistic effect, and co-toxicity coefficient is less than 80 for antagonism, and co-toxicity coefficient is summation action between.Co-toxicity coefficient after mixed with anabasine insecticide by calculating capillary, effect after both evaluations are mixed, result shows, in above-mentioned Pesticidal combination, the mass ratio of described capillary and described anabasine insecticide can be (0.05 ~ 20): 1, specifically can be (0.1 ~ 20): 1, (0.2 ~ 20): 1, (0.3 ~ 20): 1, (1 ~ 20): 1, (3 ~ 20): 1, (5 ~ 20): 1, (10 ~ 20): 1, (0.05 ~ 10): 1, (0.1 ~ 10): 1, (0.2 ~ 10): 1, (0.3 ~ 10): 1, (1 ~ 10): 1, (3 ~ 10): 1, (5 ~ 10): 1, (0.05 ~ 5): 1, (0.1 ~ 5): 1, (0.2 ~ 5): 1, (0.3 ~ 5): 1, (1 ~ 5): 1, (3 ~ 5): 1, (0.05 ~ 3): 1, (0.1 ~ 3): 1, (0.2 ~ 3): 1, (0.3 ~ 3): 1, (1 ~ 3): 1, (0.05 ~ 1): 1, (0.1 ~ 1): 1, (0.2 ~ 1): 1, (0.3 ~ 1): 1, (0.05 ~ 0.3): 1, (0.1 ~ 0.3): 1, (0.2 ~ 0.3): 1, (0.05 ~ 0.2): 1, (0.1 ~ 0.2): 1, (0.05 ~ 0.1): 1, 20:1, 10:1, 5:1, 3:1, 1:1, 0.3:1, 0.2:1, 0.1:1 or 0.05:1, in the scope of above-mentioned mass ratio, all shows synergistic effect.
In above-mentioned Pesticidal combination, the mass ratio of described capillary and described anabasine insecticide is preferably (0.1 ~ 10): 1, is more preferably (0.2 ~ 5): 1, more preferably (0.3 ~ 3): 1.
Due to above-mentioned capillary and anabasine insecticide composite according to aforementioned proportion after synergistic effect, above-mentioned Pesticidal combination provided by the invention control Bradysia odoriphaga in application, also in protection scope of the present invention.
Because former medicine cannot directly use, invention further provides a kind of insecticide, it is made up of acceptable auxiliary material on above-mentioned Pesticidal combination and its pesticidal preparations, wherein, the mass percentage of described Pesticidal combination can be 2% ~ 60%, specifically can be 2% ~ 40%, 10% ~ 40%, 20% ~ 40%, 24% ~ 40%, 28% ~ 40%, 30% ~ 40%, 2% ~ 30%, 10% ~ 30%, 20% ~ 30%, 24% ~ 30%, 28% ~ 30%, 2% ~ 28%, 10% ~ 28%, 20% ~ 28%, 24% ~ 28%, 2% ~ 24%, 10% ~ 24%, 20% ~ 24%, 2% ~ 20%, 10% ~ 20%, 2% ~ 10%, 2%, 10%, 20%, 24%, 28%, 30% or 40%.
In the invention process process, because in former medicine, the content of active ingredient can not be 100%, as the former medicine of 95% capillary refers to that the mass percentage of capillary in the former medicine of capillary is 95%, Pesticidal combination of the present invention and insecticide are in computational process, all be converted to active constituent content, namely the content of Pesticidal combination and insecticide Central Plains medicine all refers to the content of its active ingredient.
In above-mentioned insecticide, described insecticide can adopt method known to be arbitrarily at present processed into the preparation of dosage forms, and suitable formulation includes but not limited to: suspending agent, suspension seed-coating agent, suspension emulsion, missible oil, aqueous emulsion, microemulsion, water dispersible granules, wetting powder, granule, dashing agent, drops, microcapsule suspending agent, microcapsule suspension-suspendinagent agent etc.
The application of above-mentioned insecticide in control Bradysia odoriphaga, also in protection scope of the present invention, insecticide of the present invention to the preventive effect of Bradysia odoriphaga far away higher than the preventive effect of single dose, and all more than 80%.
Pesticidal combination of the present invention and preparation have following beneficial effect:
(1) the present invention is by after capillary and anabasine insecticide according to a certain percentage mixture, has obvious synergistic effect to Bradysia odoriphaga.
(2) due to capillary and anabasine insecticide two kinds of pharmacy effect mechanism different, the application of composition contributes to the development delaying pest resistance to insecticide, extends service life of medicament.
(3), after capillary and anabasine insecticide mixture, reduce the dosage of anabasine insecticide, reduce the residual risk of anabasine insecticide.
(4) Pesticidal combination after capillary and anabasine insecticide mixture is made the pesticidal preparations of various formulation, to Bradysia odoriphaga, all there is good control efficiency.
Embodiment
The experimental technique used in following embodiment if no special instructions, is conventional method.
Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
After different pesticide species mixture, usually show three kinds of type of action, i.e. summation action, synergistic effect and antagonism, but be specially which kind of effect, only have and just can be known by lot of experiments.Good compound synergic formula, can significantly improve actual control efficiency, expands medicament insecticidal spectrum, and contributes to the generation speed delaying pest resistance to insecticide.
In following embodiment 1-embodiment 7, by a large amount of screening tests, carry out composite according to different ratio to capillary and anabasine insecticide, find capillary and anabasine insecticide is composite has significant synergistic function to homoptera pest, anabasine insecticide is respectively Imidacloprid, Diacloden, clothianidin, Nitenpyram, thiacloprid, MTI-446 and Acetamiprid.
Subjects: olaiphage larva in Chinese Chive.
Test medicine: the former medicine of 95% capillary; The former medicine of 97% Imidacloprid; The former medicine of 96% Diacloden; The former medicine of 97% clothianidin; The former medicine of 94% Nitenpyram; The former medicine of 95% thiacloprid; The former medicine of 96% MTI-446; The former medicine of 95% Acetamiprid.Former medicine (after folding hundred) is mixed with according to a conventional method the test medicine of needs.
Experimental technique: adopt stomach toxicity co-toxicity method of tagging to carry out indoor bioassay, Bradysia odoriphaga 4 instar larvae selecting indoor feeding is target pest, every concentration process 25 larvas, often process repetition 4 times, be positioned over breeding observing in 25 ± 1 DEG C of constant incubators, after medicine, 72h checks dead borer population.Adopt probit analysis method and DPSv7.5 software data processing, calculate lethal concentration of 50 LC 50, use LC 50value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient, and computing formula is such as formula shown in (1).
formula (1)
If confection is M, each single dose of composition is A, B, C ...LC 50Afor the lethal concentration of 50 of medicament A; LC 50Bfor the lethal concentration of 50 of medicament B, LC 50 mixfor medicament A+ medicament B+ medicament C+ ... the lethal concentration of 50 of mixture, mixture co-toxicity coefficient is CTC, and the percentage composition of active ingredient is P.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect, and CTC≤80 show as antagonism, and 80 < CTC < 120 show as summation action.
Embodiment 1, capillary and Imidacloprid composite
Capillary is carried out composite test according to different mass ratioes respectively from Imidacloprid, and toxicity test result is as shown in table 1:
Table 1, capillary and Imidacloprid are to the toxicity test result of olaiphage larva in Chinese Chive
Test medicine LC 50(mg/L) Co-toxicity coefficient
Capillary 4.12
Imidacloprid 2.77
Capillary: Imidacloprid (20:1) 3.22 125.05
Capillary: Imidacloprid (10:1) 2.35 167.89
Capillary: Imidacloprid (5:1) 1.88 202.73
Capillary: Imidacloprid (3:1) 1.28 224.47
Capillary: Imidacloprid (1:1) 1.05 315.73
Capillary: Imidacloprid (1:3) 0.91 331.90
Capillary: Imidacloprid (1:5) 1.43 219.29
Capillary: Imidacloprid (1:10) 1.78 160.59
Capillary: Imidacloprid (1:20) 2.11 133.72
Embodiment 2, capillary and Diacloden composite
Capillary is carried out composite test according to different mass ratioes respectively from Diacloden, and toxicity test result is as shown in table 2:
Table 2, capillary and Diacloden are to the toxicity test result of olaiphage larva in Chinese Chive
Test medicine LC 50(mg/L) Co-toxicity coefficient
Capillary 5.26
Diacloden 1.87
Capillary: Diacloden (20:1) 3.86 125.47
Capillary: Diacloden (10:1) 2.85 158.52
Capillary: Diacloden (5:1) 2.18 185.43
Capillary: Diacloden (3:1) 1.71 211.87
Capillary: Diacloden (1:1) 1.15 240.26
Capillary: Diacloden (1:3) 1.21 184.55
Capillary: Diacloden (1:5) 1.33 157.80
Capillary: Diacloden (1:10) 1.48 134.46
Capillary: Diacloden (1:20) 1.56 123.90
Embodiment 3, capillary and clothianidin composite
Capillary is carried out composite test according to different mass ratioes respectively from clothianidin, and toxicity test result is as shown in table 3:
Table 3, capillary and clothianidin are to the toxicity test result of olaiphage larva in Chinese Chive
Test medicine LC 50(mg/L) Co-toxicity coefficient
Capillary 4.86
Clothianidin 1.37
Capillary: clothianidin (20:1) 3.46 125.32
Capillary: clothianidin (10:1) 2.49 158.59
Capillary: clothianidin (5:1) 1.96 174.25
Capillary: clothianidin (3:1) 1.51 196.91
Capillary: clothianidin (1:1) 0.85 251.98
Capillary: clothianidin (1:3) 0.61 274.39
Capillary: clothianidin (1:5) 0.77 202.61
Capillary: clothianidin (1:10) 0.78 188.39
Capillary: clothianidin (1:20) 1.06 134.17
Embodiment 4, capillary and Nitenpyram composite
Capillary is carried out composite test according to different mass ratioes respectively from Nitenpyram, and toxicity test result is as shown in table 4:
Table 4, capillary and Nitenpyram are to the toxicity test result of olaiphage larva in Chinese Chive
Test medicine LC 50(mg/L) Co-toxicity coefficient
Capillary 5.36
Nitenpyram 4.87
Capillary: Nitenpyram (20:1) 4.18 127.62
Capillary: Nitenpyram (10:1) 3.19 166.51
Capillary: Nitenpyram (5:1) 2.76 191.03
Capillary: Nitenpyram (3:1) 2.31 226.39
Capillary: Nitenpyram (1:1) 1.85 275.96
Capillary: Nitenpyram (1:3) 1.91 261.09
Capillary: Nitenpyram (1:5) 2.27 217.99
Capillary: Nitenpyram (1:10) 2.78 176.77
Capillary: Nitenpyram (1:20) 3.06 159.96
Embodiment 5, capillary and thiacloprid composite
Capillary is carried out composite test according to different mass ratioes respectively from thiacloprid, and toxicity test result is as shown in table 5:
Table 5, capillary and thiacloprid are to the toxicity test result of olaiphage larva in Chinese Chive
Test medicine LC 50(mg/L) Co-toxicity coefficient
Capillary 5.56
Thiacloprid 5.07
Capillary: thiacloprid (20:1) 4.57 121.11
Capillary: thiacloprid (10:1) 3.25 169.60
Capillary: thiacloprid (5:1) 2.87 190.68
Capillary: thiacloprid (3:1) 2.63 206.46
Capillary: thiacloprid (1:1) 2.45 216.56
Capillary: thiacloprid (1:3) 2.11 245.83
Capillary: thiacloprid (1:5) 2.57 200.34
Capillary: thiacloprid (1:10) 2.98 171.62
Capillary: thiacloprid (1:20) 3.36 151.63
Embodiment 6, capillary and MTI-446 composite
Capillary is carried out composite test according to different mass ratioes respectively from MTI-446, and toxicity test result is as shown in table 6:
Table 6, capillary and MTI-446 are to the toxicity test result of olaiphage larva in Chinese Chive
Test medicine LC 50(mg/L) Co-toxicity coefficient
Capillary 5.03
MTI-446 2.11
Capillary: MTI-446 (20:1) 3.67 128.58
Capillary: MTI-446 (10:1) 2.45 182.36
Capillary: MTI-446 (5:1) 2.07 197.45
Capillary: MTI-446 (3:1) 1.73 216.02
Capillary: MTI-446 (1:1) 1.15 258.51
Capillary: MTI-446 (1:3) 1.01 244.38
Capillary: MTI-446 (1:5) 1.17 199.66
Capillary: MTI-446 (1:10) 1.48 150.51
Capillary: MTI-446 (1:20) 1.66 130.72
Embodiment 7, capillary and Acetamiprid composite
Capillary is carried out composite test according to different mass ratioes respectively from Acetamiprid, and toxicity test result is as shown in table 7:
Table 7, capillary and Acetamiprid are to the toxicity test result of olaiphage larva in Chinese Chive
Test medicine LC 50(mg/L) Co-toxicity coefficient
Capillary 5.03
Acetamiprid 5.31
Capillary: Acetamiprid (20:1) 4.11 122.69
Capillary: Acetamiprid (10:1) 2.95 171.33
Capillary: Acetamiprid (5:1) 2.47 205.45
Capillary: Acetamiprid (3:1) 2.23 228.57
Capillary: Acetamiprid (1:1) 1.95 264.93
Capillary: Acetamiprid (1:3) 2.41 217.31
Capillary: Acetamiprid (1:5) 2.97 177.14
Capillary: Acetamiprid (1:10) 3.32 159.13
Capillary: Acetamiprid (1:20) 3.96 133.74
Consolidated statement 1 to table 7 is visible, capillary and anabasine insecticide composite be (0.05 ~ 20) at mass ratio: in the scope of 1, synergistic effect is showed to Bradysia odoriphaga, when mass ratio is (0.1 ~ 10): when 1, synergistic effect is particularly evident.
Following embodiment 8-embodiment 14 is respectively the various preparations made by Pesticidal combination of the present invention, can be prepared into any one formulation of applicable agricultural use by known method, reasonable formulation is suspending agent, suspension seed-coating agent, suspension emulsion, missible oil, aqueous emulsion, microemulsion, water dispersible granules, wetting powder, granule, dashing agent, drops, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Auxiliary agent polycarboxylate in following embodiment is all purchased from Beijing Guangyuan Yinong Chemical Co., Ltd, and model is GY-D08.
In order to object more clearly of the present invention, technical scheme and advantage, the following specific embodiment of the present invention is described, but its active component and proportioning, auxiliary agent etc. are all not limited only to following examples.
Embodiment 8,5% capillary+15% imidacloprid suspending agent
One, fill a prescription
In mass percentage, in the present embodiment, the content of each component is as follows:
Two, preparation method
By the ratio mixing of each components such as active component, dispersant and water according to formula, through 10000r/min high speed shear 5 minutes evenly, add sand mill and be ground to required particle diameter (average grain diameter is less than 3 microns), make 5% capillary+15% imidacloprid suspending agent.
Three, application test
The present embodiment built agent is applied to control Bradysia odoriphaga, sprays in leek root after adding water by effective ingredient consumption 200 grams/ha.Investigation insect density before medicine, 14 days investigation prevention effects after medicine.5 points are got in every community, often some sampling 0.25m 2, calculate Revision insect recluced rate and the Rectifying efficacies of each process.Computing formula is as follows:
Insect population number × 100 (2) before Revision insect recluced rate (%)=(before control the rear insect population number of insect population number-control)/control
Rectifying efficacies (%)=(chemicals treatment district Revision insect recluced rate-check plot Revision insect recluced rate)/(1-check plot Revision insect recluced rate) × 100 (3)
After the present embodiment 5% capillary+15% imidacloprid suspending agent medicine, the preventive effect of 14 days is 91.29%, contrast medicament 5% capillary suspending agent uses according to identical dosage and method with 15% imidacloprid suspending agent, and after medicine, the preventive effect of 14 days is respectively 76.27% and 80.49%.
Embodiment 9,15% capillary+15% Diacloden suspending agent
One, fill a prescription
In mass percentage, in the present embodiment, the content of each component is as follows:
Two, preparation method
By the ratio mixing of each components such as active component, dispersant, wetting agent and water according to formula, through 10000r/min high speed shear 5 minutes evenly, add sand mill and be ground to required particle diameter (average grain diameter is less than 3 microns), make 15% capillary+15% imidacloprid suspending agent.
Three, application test
The present embodiment built agent is applied to control Bradysia odoriphaga, and spray after adding water by effective ingredient consumption 200 grams/ha, test method is with embodiment 8.After the present embodiment 15% capillary+15% Diacloden suspending agent medicine, the preventive effect of 14 days is 94.83%, contrast medicament 5% capillary suspending agent uses according to identical dosage and method with 15% Diacloden suspending agent, and after medicine, the preventive effect of 14 days is respectively 75.12% and 79.42%.
Embodiment 10,6% capillary+18% clothianidin suspending agent
One, fill a prescription
In mass percentage, in the present embodiment, the content of each component is as follows:
Two, preparation method
By the ratio mixing of each components such as active component, dispersant, wetting agent and water according to formula, through 10000r/min high speed shear 5 minutes evenly, add sand mill and be ground to required particle diameter (average grain diameter is less than 3 microns), make 6% capillary+18% clothianidin suspending agent.
Three, application test
The present embodiment built agent is applied to control Bradysia odoriphaga, and spray after adding water by effective ingredient consumption 200 grams/ha, test method is with embodiment 8.After the present embodiment 6% capillary+18% clothianidin suspending agent medicine, the preventive effect of 14 days is 89.83%, contrast medicament 5% capillary suspending agent uses according to identical dosage and method with 15% clothianidin suspending agent, and after medicine, the preventive effect of 14 days is respectively 73.48% and 78.56%.
Embodiment 11,1% capillary+1% Nitenpyram granule
One, fill a prescription
The insecticide of the present embodiment adopts following raw material to prepare:
In the insecticide granule agent prepared by above-mentioned raw materials, the mass percentage of capillary and Nitenpyram is 1%.
Two, preparation method
Said components is mixed, makes softwood, by the softwood made, through Squeezinggranulator granulation, dry, namely make 1% capillary+1% Nitenpyram granule.
Three, application test
The present embodiment built agent is applied to control Bradysia odoriphaga, by effective ingredient consumption 200 grams/ha, spreads fertilizer over the fields the particle of embodiment 8 in leek root.After the present embodiment 1% capillary+1% Nitenpyram Granular pesticide, the preventive effect of 14 days is 80.46%, contrast medicament 5% capillary suspending agent and 2% imidacloprid suspending agent are according to identical dosage and be watered spray use, and after medicine, the preventive effect of 14 days is respectively 71.25% and 74.43%.
Embodiment 12,7% capillary+21% thiacloprid suspending agent
One, fill a prescription
In mass percentage, in the present embodiment, the content of each component is as follows:
Two, preparation method
By the ratio mixing of each components such as active component, dispersant, wetting agent and water according to formula, through 10000r/min high speed shear 5 minutes evenly, add sand mill and be ground to required particle diameter (average grain diameter is less than 3 microns), make 7% capillary+21% thiacloprid suspending agent.
Three, application test
The present embodiment built agent is applied to control Bradysia odoriphaga, and spray after adding water by effective ingredient consumption 200 grams/ha, test method is with embodiment 8.After the present embodiment 7% capillary+21% thiacloprid suspending agent medicine, the preventive effect of 14 days is 86.53%, contrast medicament 5% capillary suspending agent uses according to identical dosage and method with 15% thiacloprid suspending agent, and after medicine, the preventive effect of 14 days is respectively 70.12% and 72.79%.
Embodiment 13,5% capillary+5% MTI-446 microcapsule suspension-suspendinagent agent
One, preparation method
Urea and formaldehyde is added in the there-necked flask that thermometer, agitating device are housed, mol ratio is 1:2.0,2 times are added to the deionized water of formaldehyde and weight of urea after dissolving, by triethanolamine adjust ph to 8.5, be warming up to 70 DEG C, stirring at low speed reacts 1 hour, obtains the Lauxite prepolymer aqueous solution.
By former for 5.26g95% emamectin benzoate medicine and the former medicine of 5.21g96% MTI-446, join the 20g above-mentioned Lauxite prepolymer aqueous solution, 20g5% aqueous sodium polyacrylate, add 2.5g Tween-80 and 2.5g lauryl sodium sulfate, 10000 revs/min of high speed shear form stable O/W emulsion; Reduce rotating speed to 400 rev/min, divide 5 batches and in 60 minutes, add 1M hydrochloric acid regulation system pH value 2.5, polycondensation reaction 1 hour; Thereafter be warming up to 60 DEG C of solidification cyst walls and add sodium hydroxide adjust ph 7.0 after 1 hour, then add 1% xanthan gum solution 10g, add water and supply 100g, namely obtain 5% capillary+5% MTI-446 microcapsule suspension-suspendinagent agent.
Two, application test
The present embodiment built agent is applied to control Bradysia odoriphaga, and spray after adding water by effective ingredient consumption 200 grams/ha, test method is with embodiment 8.After 5% capillary+5% MTI-446 microcapsule suspension suspending agent medicine, the preventive effect of 30 days is 92.49%, contrast medicament 5% capillary suspending agent uses according to identical dosage and method with 15% MTI-446 suspending agent, and after medicine, the preventive effect of 30 days is respectively 66.34% and 77.35%.
Embodiment 14,20% capillary+20% acetamiprid wettable powder
One, fill a prescription
In mass percentage, in the present embodiment, the content of each component is as follows:
Two, preparation method
Mix according to each component that takes of above-mentioned formula, through airslide disintegrating mill ultramicro grinding, detected sample particle diameter more than 95%, at 1-10 micron, namely obtains 20% capillary+20% acetamiprid wettable powder.
Three, application test
The present embodiment built agent is applied to control Bradysia odoriphaga, and spray after adding water by effective ingredient consumption 200 grams/ha, test method is with embodiment 8.After 20% capillary+20% acetamiprid wettable powder medicine, the preventive effect of 14 days is 87.54%, and contrast medicament 5% capillary suspending agent uses according to identical dosage and method with 15% acetamiprid suspending agent, and after medicine, the preventive effect of 14 days is respectively 68.54% and 76.53%.

Claims (10)

1. a Pesticidal combination, is characterized in that: it is made up of capillary and anabasine insecticide.
2. Pesticidal combination according to claim 1, is characterized in that: described anabasine insecticide is any one in Imidacloprid, Diacloden, clothianidin, Nitenpyram, thiacloprid, MTI-446 and Acetamiprid.
3. Pesticidal combination according to claim 1 and 2, is characterized in that: the mass ratio of described capillary and described anabasine insecticide is (0.05 ~ 20): 1.
4. the Pesticidal combination according to any one of right 1-3, is characterized in that: the mass ratio of described capillary and described anabasine insecticide is (0.1 ~ 10): 1.
5. the Pesticidal combination according to any one of claim 1-4, is characterized in that: the mass ratio of described capillary and described anabasine insecticide is 1:3,1:1 or 3:1.
6. the application of the Pesticidal combination according to any one of claim 1-5 in control Bradysia odoriphaga.
7. an insecticide, is characterized in that: on its Pesticidal combination according to any one of claim 1-5 and its pesticidal preparations, acceptable auxiliary material is made, and wherein, the mass percentage of described Pesticidal combination is 2% ~ 60%.
8. insecticide according to claim 7, is characterized in that: in described insecticide, and the mass percentage of described Pesticidal combination is 2% ~ 40%.
9. the insecticide according to claim 7 or 8, is characterized in that: the formulation of described insecticide is any one in suspending agent, suspension seed-coating agent, suspension emulsion, missible oil, aqueous emulsion, microemulsion, water dispersible granules, wetting powder, granule, dashing agent, drops, microcapsule suspending agent and microcapsule suspension-suspendinagent agent.
10. the application of the insecticide according to any one of claim 7-9 in control Bradysia odoriphaga.
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CN113854303A (en) * 2021-11-11 2021-12-31 华植河北生物科技有限公司 Insecticidal composition containing chlorfenapyr and dinotefuran

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