CN1911029A - Synergistic compound pesticide contg. trans-cypermethrin - Google Patents
Synergistic compound pesticide contg. trans-cypermethrin Download PDFInfo
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- CN1911029A CN1911029A CN 200510041433 CN200510041433A CN1911029A CN 1911029 A CN1911029 A CN 1911029A CN 200510041433 CN200510041433 CN 200510041433 CN 200510041433 A CN200510041433 A CN 200510041433A CN 1911029 A CN1911029 A CN 1911029A
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- cypermethrin
- theta
- pesticidal combination
- missible oil
- acetamiprid
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Abstract
A synergistic composite insecticide for preventing and treating rice hopper and wheat aphid contains trans-cypermethrin, chloronicotine insecticides, assistant and excipient.
Description
One, technical field
The present invention relates to a kind of Pesticidal combination and uses thereof, especially a kind of is the Pesticidal combination and the application thereof of main active with theta-cypermethrin and Imidacloprid, Acetamiprid, pyrrole worm amine.
Two, background technology
Theta-cypermethrin (theta-cypemethrin), chemical name: (IR is trans) S and (IS is trans) R-alpha-cyano-(3-benzyloxy phenoxy base)-3-(2, the 2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester.
Theta-cypermethrin is a kind of widely used pyrethroid insecticides, is high-efficient broad-spectrum insecticide, and tool is tagged and the insecticide of stomach poison function, prevents and treats a lot of insects.Effective especially to coleoptera and Lepidoptera, the insect that is mainly used in control has meadow pretty young woman at night, rice leaf roller, paddy stem borer, striped rice borer, rice leafhopper, plant hopper, stinkbug, cutworm, aphid, corn borer, cotton bollworm, pink bollworm, looper, thrips, aleyrodid, flea beetle, tomato moth, dive fly, moth-eaten moth, gypsymoth, tent caterpillar and cured coccid etc.Also can prevent and treat animal body epizoa, sheep lice and ked, directly be sprayed onto animal on one's body or on the building, can knock down rapidly and lasting control around fly.
Theta-cypermethrin decomposes in plant corpus soon, and residual hazard is low, to the person poultry safety, environment is had no adverse effects.Register the product that uses at present at home and be theta-cypermethrin missible oil, do not have and other agriculture chemical compounding compositions.
The synergistic complex of agricultural chemicals is expanding prevention spectrum and the effective measures that improve preventive effect, still finds no the Pesticidal combination of pass theta-cypermethrin and Imidacloprid (imidacloprid), Acetamiprid (acetamiprid), pyrrole worm amine (nitenpyram) up to now.
Lepidoptera pest as cabbage caterpillar, cotton bollworm, aphid, beet armyworm, the snout moth's larva of rice etc., increases gradually in present resistance, and the agent of agricultural chemicals list descends gradually to the effect of control of insect.
Three, summary of the invention
1, goal of the invention
The purpose of this invention is to provide and a kind ofly prevent and treat the multifunctional insecticide composition of resistance lepidoptera pest and in the application that prevents and treats on the resistance homoptera pest, this agriculture chemical compounding can obviously improve drug effect, and delay the generation of pest resistance.
2, technical scheme
For achieving the above object, will the lasting period long theta-cypermethrin of the present invention respectively with Imidacloprid, Acetamiprid, pyrrole worm amine in one or several is composite, obtain the new and effective multifunctional insecticide composition of a class.This insecticide has good preventive effect to the various pests that Lepidoptera and mite class etc. is easy to generate resistance; And the inhibition insect is to the pesticide resistance generation of unitary agent (theta-cypermethrin or Imidacloprid, Acetamiprid, pyrrole worm amine).Imidacloprid, Acetamiprid, pyrrole worm amine are the chloro nicotinic insecticide.
A kind of Pesticidal combination is characterized in that it contains theta-cypermethrin and the chloro nicotinic insecticide is an active ingredient, and the weight ratio of theta-cypermethrin and chloro nicotinic insecticide is 0.1~30: 0.5~60.
Effective ingredient is present in the composition with the synergy effective dose.
The preferred weight ratio of theta-cypermethrin and chloro nicotinic insecticide is 0.5~20: 15~50.
The optimum weight ratio of theta-cypermethrin and chloro nicotinic insecticide is 1~5: 20~30.
To be Imidacloprid, Acetamiprid mix with any of one or more in the pyrrole worm amine chloro nicotinic insecticide.
When theta-cypermethrin and chloro nicotinic insecticide are effective ingredient among the present invention, can be between Imidacloprid, Acetamiprid and the pyrrole worm amine three by the combination of arbitrary proportion.
It is that active ingredient and insecticides adjuvant, excipients are mixed with missible oil, aqueous emulsion or microemulsion with theta-cypermethrin and chloro nicotinic insecticide.
Above-mentioned Pesticidal combination is in the application that prevents and treats on the resistance homoptera pest.Especially the application on control water rice hopper and wheat aphid.
Above-described auxiliary agent is the one or more combinations in calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, polyoxyethylene polyoxy third rare block compound, the polyoxyethylene nonylphenol ether, and excipients comprises cyclohexanone, dimethylbenzene, solvent naphtha, water, antifreezing agent (propane diols), deionized water etc.Above auxiliary agent, excipient can be singly with or and with also adding other auxiliary material.
Measure through indoor synergism test and to show: by theta-cypermethrin respectively with Imidacloprid, Acetamiprid, pyrrole worm amine in any composite dose of co-toxicity coefficient to water rice hopper and wheat aphid be respectively 156-238,163-268,149-243,152-215, test determination shows that all composite dose all has significant synergistic insecticidal action to two kinds of insects; Field control effectiveness test equally also shows the composite dose of effect that the insecticidal effect of water rice hopper and wheat aphid all is significantly higher than corresponding single agent agricultural chemicals that the present invention is all.
3, beneficial effect
Purpose of the present invention just provides the Pesticidal combination of a kind of theta-cypermethrin and Imidacloprid, Acetamiprid, pyrrole worm amine, it compared with prior art, can produce higher cooperative synergism, overcome and delayed pest resistance to insecticide, the expanding prevention spectrum, desinsection speed is fast, has reduced drug cost, has alleviated toxicity.
The present invention especially can be used for preventing and treating water rice hopper and wheat aphid, and its effect is used apparently higher than its single agent.Pesticidal combination of the present invention compared with prior art produces following beneficial effect: (1) is compared with single agent, and said composition has notable synergistic to lepidoptera pest, has obviously improved control efficiency; (2) one medicines are controlled more, and a dispenser can prevent and treat various pests simultaneously, reduce control recruitment cost; (3) alternative high-toxic pesticide, and reduce the field dosage significantly, effectively reduce environmental pollution and residue of pesticide; (4) have concurrently quick-acting and long-acting; (5) compare with the agent of theta-cypermethrin list, produce and the use cost reduction; (6) suppress the resistance enhancing of lepidoptera pest to agricultural chemicals; (7) reduction is to the toxicity of warm blooded animal.
Four, embodiment
Embodiments of the invention are the methods that adopt indoor bioassay and field trial to combine.Pass through indoor bioassay, the co-toxicity coefficient after clear and definite two kinds of medicaments are composite by a certain percentage earlier; On this basis, carry out field trial again.
Implementation result:
Embodiment 1:
Take by weighing 1g theta-cypermethrin, 30g Imidacloprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 31% theta-cypermethrin Imidacloprid missible oil.
Carry out indoor synergy biologicall test, selecting water rice hopper and wheat aphid is target pest, and every processing repeats 3 times, and every concentration is handled 60, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
The toxicity test effect of table 1 theta-cypermethrin Imidacloprid=1: 30 pair of water rice hopper
Concentration (mg/L) | Examination borer population (head) | Dead borer population (head) | Corrected mortality (%) |
0.164 | 60 | 23 | 21.3 |
0.410 | 60 | 27 | 29.8 |
1.024 | 60 | 29 | 34.0 |
2.56 | 60 | 49 | 76.6 |
6.4 | 60 | 54 | 87.2 |
16 | 60 | 59 | 97.9 |
40 | 60 | 60 | 99.99 |
100 | 60 | 60 | 99.99 |
250 | 60 | 60 | 99.99 |
CK | 60 | 13 | / |
Regression equation: Y=4.96250+1.555480X
Lethal concentration: LC
50=1.057077mg/L (95% confidence limit: 0.58192-1.607247mg/L)
LC
95=12.06603mg/L (95% confidence limit: 8.92569-17.36529mg/L)
Embodiment 2:
Take by weighing 2g theta-cypermethrin, 30g Acetamiprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 32% theta-cypermethrin acetamiprid EC.
Carry out indoor synergy biologicall test, the selection wheat aphid is a target pest, and every processing repeats 3 times, and every concentration is handled 60, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
The toxicity test effect of table 2 theta-cypermethrin Acetamiprid=2: 30 pairs of wheat aphids
Concentration (μ g/mL) | Examination borer population (head) | Dead borer population (head) | Corrected mortality (%) |
0.016 | 60 | 8 | 14.5 |
0.08 | 60 | 17 | 29.8 |
0.4 | 60 | 15 | 28.1 |
2.0 | 60 | 26 | 41.4 |
10 | 60 | 28 | 48.5 |
50 | 60 | 18 | 78.3 |
250 | 60 | 41 | 93.2 |
CK | 60 | 2 | / |
Regression equation: Y=4.88590+0.548883X
Lethal concentration: LC
50=1.972941 μ g/mL (95% confidence limits: 0.886164-4.38548g/mL)
LC
95=3274.93 μ g/mL (95% confidence limit: 676.191-37904.18 μ g/mL)
Embodiment 3:
Take by weighing 2g theta-cypermethrin, 33g pyrrole worm amine, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 35% theta-cypermethrin pyrrole worm amine missible oil.
Carry out indoor synergy biologicall test, the selection wheat aphid is a target pest, and every processing repeats 3 times, and every concentration is handled 30, uses LC
50Value is pressed the abundant method of Sun Yun and is calculated co-toxicity coefficient:
The toxicity test effect of table 3 theta-cypermethrin pyrrole worm amine=2: 33 pairs of wheat aphids
Concentration (μ g/mL) | Examination borer population (head) | Dead borer population (head) | Corrected mortality (%) |
0.02 | 60 | 9 | 14.4 |
0.07 | 60 | 19 | 28.9 |
0.5 | 60 | 17 | 29.3 |
1.5 | 60 | 27 | 46.6 |
8.0 | 60 | 45 | 78.9 |
25 | 60 | 52 | 93.5 |
180 | 60 | 59 | 99.3 |
CK | 60 | 2 | / |
Regression equation: Y=3.83490+0.54383X
Lethal concentration: LC
50=1.975941 μ g/mL (95% confidence limits: 0.895464-4.356537g/mL)
LC
95=3454.93 μ g/mL (95% confidence limit: 576.282-46704.18 μ g/mL)
Embodiment 1 is prevented and treated the field control effectiveness test of water rice hopper, and the contrast medicine is that the result is as follows:
Handle (g/ mu) | Radix (head/hundred caves) before the medicine | Preventive effect % behind the medicine) | |||||
2 days | 5 days | 10 days | 15 days | 20 days | |||
Embodiment 1 | 10 | 745.0 | 93.16a | 91.08a | 90.35b | 88.94b | 87.39b |
15 | 805.0 | 94.26a | 91.96a | 94.96ab | 93.5b | 93.37ab | |
20 | 825.5 | 94.0a | 91.07a | 98.21a | 96.78a | 98.29a | |
10% Imidacloprid WP | 15 | 707.5 | 96.17a | 89.4b | 81.2b | 76.4c | 65.8c |
5% theta-cypermethrin EC 20 | 725.0 | 87.3b | 84.2b | 76.5c | 50.5c | 40.6c | |
Blank | 632.5 | -- | -- | -- | -- | -- |
Annotate: a is illustrated on α=0.05 level remarkable, and b is illustrated on α=0.05 level variant, and c is illustrated on α=0.05 level not remarkable;
Embodiment 2,3 is prevented and treated the field control effectiveness test of wheat aphid, and the contrast medicine is that the result is as follows:
Handle (g/mu) | Preventive effect (%) | |||
Behind the medicine 1 day | Behind the medicine 5 days | Behind the medicine 10 days | ||
Embodiment 2 | 5 | 85.13ab | 100a | 89.91a |
10 | 92.78a | 100a | 97.55a | |
15 | 98.22a | 100a | 100a | |
Embodiment 3 | 5 | 94.8a | 99.0a | 89.91a |
10 | 95.9a | 100a | 97.55a | |
15 | 98.2a | 100a | 100a | |
Acetamiprid 10%WP 15 | 73.31b | 74.63b | 72.83b | |
5% theta-cypermethrin EC 20 | 86.4b | 89.0b | 78.6c | |
Blank | - | - | - |
Annotate: a is illustrated on α=0.05 level remarkable, and b is illustrated on α=0.05 level variant, and c is illustrated on α=0.05 level not remarkable;
The above results shows, the complex composition of theta-cypermethrin and Imidacloprid, Acetamiprid, pyrrole worm amine is compared with two single agent and to be had following advantage: (1) has significantly improved the omnidistance control efficiency to water rice hopper and wheat aphid; (2) have the quick-acting of enhancing and long hold effect concurrently, the insecticidal effect of 2 days and 15 days all is significantly higher than each single agent after the dispenser.
Embodiment 4:
Take by weighing 5g theta-cypermethrin, 27g Acetamiprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, cyclohexanone toluene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 32% theta-cypermethrin acetamiprid EC.
Embodiment 5: take by weighing the 1g theta-cypermethrin, 5g Imidacloprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 6% theta-cypermethrin Imidacloprid missible oil.
Embodiment 6: take by weighing the 5g theta-cypermethrin, 0.5g Imidacloprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 5.5% theta-cypermethrin Imidacloprid missible oil.
Embodiment 7: take by weighing 15g theta-cypermethrin, 5g Acetamiprid, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, cyclohexanone toluene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 20% theta-cypermethrin acetamiprid EC.
Embodiment 8: take by weighing 30g theta-cypermethrin, 2g Acetamiprid, all the other are with embodiment 4.
Embodiment 9: take by weighing the 0.5g theta-cypermethrin, 45.5g pyrrole worm amine, calcium dodecyl benzene sulfonate 10g, phenethyl phenol polyethenoxy ether 8g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 46% theta-cypermethrin pyrrole worm amine missible oil.
Embodiment 10: take by weighing the 20g theta-cypermethrin, 15g pyrrole worm amine, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 35% theta-cypermethrin pyrrole worm amine missible oil.
Embodiment 11: take by weighing the 30g theta-cypermethrin, 2g pyrrole worm amine, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 5g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 32% theta-cypermethrin pyrrole worm amine missible oil.
Embodiment 12: take by weighing the 1g theta-cypermethrin, 15g pyrrole worm amine, calcium dodecyl benzene sulfonate 3g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 16% theta-cypermethrin pyrrole worm amine missible oil.
Embodiment 13: take by weighing the 3g theta-cypermethrin, 2g pyrrole worm amine, calcium dodecyl benzene sulfonate 2g, phenethyl phenol polyethenoxy ether 1g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 5% theta-cypermethrin pyrrole worm amine missible oil.
Embodiment 14: take by weighing the 6g theta-cypermethrin, 12g pyrrole worm amine, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 18% theta-cypermethrin pyrrole worm amine missible oil.
Embodiment 15: take by weighing the 2g theta-cypermethrin, 5g pyrrole worm amine, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, dimethylbenzene are to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 7% theta-cypermethrin pyrrole worm amine missible oil.
Embodiment 16: take by weighing 15g theta-cypermethrin, 5g Acetamiprid, 5g pyrrole worm amine, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 5g, cyclohexanone toluene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 25% theta-cypermethrin Acetamiprid pyrrole worm amine missible oil.
Embodiment 17: take by weighing 0.1g theta-cypermethrin, 5g Acetamiprid, 5g Imidacloprid, 5g pyrrole worm amine, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, cyclohexanone toluene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 15.1% theta-cypermethrin Acetamiprid Imidacloprid pyrrole worm amine missible oil.
Embodiment 18: take by weighing 15g theta-cypermethrin, 5g Acetamiprid, 10g Imidacloprid, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 8g, cyclohexanone toluene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 30% theta-cypermethrin Acetamiprid Imidacloprid missible oil.
Embodiment 19: take by weighing 20g theta-cypermethrin, 0.5g Acetamiprid, 0.5g Imidacloprid, 0.5g pyrrole worm amine, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 6g, cyclohexanone toluene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 21.5% theta-cypermethrin Acetamiprid Imidacloprid pyrrole worm amine missible oil.
Embodiment 20: take by weighing 25g theta-cypermethrin, 0.1g Acetamiprid, 0.1g Imidacloprid, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 8g, cyclohexanone toluene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 25.2% theta-cypermethrin Acetamiprid Imidacloprid missible oil.
Claims (8)
1, a kind of Pesticidal combination is characterized in that it contains theta-cypermethrin and the chloro nicotinic insecticide is an active ingredient, and the weight ratio of theta-cypermethrin and chloro nicotinic insecticide is 0.1~30: 0.5~60.
2, Pesticidal combination according to claim 1 is characterized in that effective ingredient is present in the composition with the synergy effective dose.
3, Pesticidal combination according to claim 1, the weight ratio that it is characterized in that theta-cypermethrin and chloro nicotinic insecticide is 0.5~20: 15~50.
4, Pesticidal combination according to claim 3, the weight ratio that it is characterized in that theta-cypermethrin and chloro nicotinic insecticide is 1~5: 20~30.
5, Pesticidal combination according to claim 1 is characterized in that described chloro nicotinic insecticide is Imidacloprid, Acetamiprid and mixes with any of one or more in the pyrrole worm amine.
6,, it is characterized in that it is that active ingredient and insecticides adjuvant, excipients are mixed with missible oil, aqueous emulsion or microemulsion with theta-cypermethrin and chloro nicotinic insecticide according to the described Pesticidal combination of claim 1.
7, the described Pesticidal combination of claim 1 is in the application that prevents and treats on the resistance homoptera pest.
8, according to the application of the described Pesticidal combination of claim 7 on control water rice hopper and wheat aphid.
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CN 200510041433 CN1911029A (en) | 2005-08-12 | 2005-08-12 | Synergistic compound pesticide contg. trans-cypermethrin |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103583550A (en) * | 2013-11-21 | 2014-02-19 | 济南凯因生物科技有限公司 | Emulsion in water (EW) of theta-cypermethrin and nitenpyram and application of same |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103583550A (en) * | 2013-11-21 | 2014-02-19 | 济南凯因生物科技有限公司 | Emulsion in water (EW) of theta-cypermethrin and nitenpyram and application of same |
CN103583550B (en) * | 2013-11-21 | 2015-07-22 | 山东中新科农生物科技有限公司 | Emulsion in water (EW) of theta-cypermethrin and nitenpyram and application of same |
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