CN1911027A - Synergistic compound pesticide contg. trans-cypermethrin and benzoyl urea - Google Patents
Synergistic compound pesticide contg. trans-cypermethrin and benzoyl urea Download PDFInfo
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- CN1911027A CN1911027A CN 200510041429 CN200510041429A CN1911027A CN 1911027 A CN1911027 A CN 1911027A CN 200510041429 CN200510041429 CN 200510041429 CN 200510041429 A CN200510041429 A CN 200510041429A CN 1911027 A CN1911027 A CN 1911027A
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Abstract
A synergistic composite insecticide for preventing and treating rice borer contains trans-cypermethrin, benzoylurea, 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 benzoyl area kind.
Two, background technology
Theta-cypermethrin (theta-cypermethrin), 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 coccid etc.
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.
Process for preparation of benzoylurea compounds can be regulated insect growth, and it is synthetic to suppress insect chitin, by to insect, especially to the control of normally casting off a skin and growing of larva, reaches the purpose of desinsection.Higher to multiple lepidoptera pest specific activity, and insects such as diptera, coleoptera or Hymenoptera are also had good preventive effect, the lasting period is long.But the quick-acting of process for preparation of benzoylurea compounds compares chrysanthemum ester class and organophosphorus insecticides is slow, and influence is to the general control of insect, and is especially relatively poor to explosive pest controling effect.
The synergistic complex of agricultural chemicals is expanding prevention spectrum and the effective measures that improve preventive effect, still finds no the Pesticidal combination that closes theta-cypermethrin and benzoyl area kind 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, and agriculture chemical compounding can obviously improve drug effect, and delays the generation of pest resistance.
Three, summary of the invention
1, goal of the invention
The purpose of this invention is to provide a kind of multifunctional insecticide composition of preventing and treating lepidoptera pest, it is the Pesticidal combination of theta-cypermethrin and process for preparation of benzoylurea compounds, can produce higher cooperative synergism, can both improve the performance of its quick-acting, again can be arranged certain lasting period, 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 also provides said composition in the application that prevents and treats on the resistance lepidoptera pest, and the present invention especially can be used for preventing and treating the snout moth's larva of rice and resistance cabbage caterpillar, beet armyworm, and its effect is used apparently higher than its single agent.
2, technical scheme
For achieving the above object, will the lasting period long theta-cypermethrin of the present invention is an assembly in the fluorine pyridine urea in the process for preparation of benzoylurea compounds, fluorine bell urea, go out young urea, Teflubenzuron, flufenoxuron, diflubenzuron or the flucycloxuron respectively, obtains the new and effective multifunctional insecticide composition of a class.This insecticide has good preventive effect to the various pests that Lepidoptera is easy to generate resistance; And suppress insect the pesticide resistance of unitary agent (in theta-cypermethrin or the benzoyl area kind arbitrary) is produced.
A kind of Pesticidal combination is characterized in that it contains theta-cypermethrin and process for preparation of benzoylurea compounds is an active ingredient, and wherein the percentage by weight of theta-cypermethrin and process for preparation of benzoylurea compounds is 0.1～30: 0.5～30.
Effective ingredient of the present invention is present in the composition with the synergy effective dose.
The preferred weight ratio of theta-cypermethrin and process for preparation of benzoylurea compounds is 0.5～20: 1～25 in the Pesticidal combination of the present invention.Wherein process for preparation of benzoylurea compounds is one or more any mixing in fluorine pyridine urea, fluorine bell urea, go out young urea, Teflubenzuron, flufenoxuron, diflubenzuron or the flucycloxuron.This Pesticidal combination is that active ingredient and insecticides adjuvant and excipients are mixed with cream preparation with theta-cypermethrin and benzoyl area kind.
The present invention also provides above-mentioned Pesticidal combination in the application that prevents and treats on the resistance lepidoptera pest, especially in the application that prevents and treats on the snout moth's larva of rice and cabbage caterpillar, the beet armyworm.
Above-described auxiliary agent is that calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, polyoxyethylene polyoxy third rare block compound are (as farming breast 33
#), the one or more combinations in the polyoxyethylene nonylphenol ether, excipients comprises cyclohexanone, dimethylbenzene, solvent naphtha, water, antifreezing agent (propane diols), deionized water etc., can also add an amount of conventional auxiliary material.Above auxiliary agent, excipient and other auxiliary material can singly be used or and use.
Measure through indoor synergism test and to show: by theta-cypermethrin respectively with fluorine pyridine urea, fluorine bell urea, the young urea that goes out in any composite dose of co-toxicity coefficient to rice-stem borer, paddy stem borer 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 rice-stem borer, paddy stem borer all is significantly higher than corresponding single agent agricultural chemicals that the present invention is all.
3, beneficial effect
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 fluorine pyridine urea, 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 5 percent of hexaflumuron emulsifiable concentrate.
Carry out indoor synergy biologicall test, the selection rice-stem borer 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 1 theta-cypermethrin fluorine pyridine urea=1: 30 pair of rice-stem borer
| Concentration (ppm) | Examination borer population (head) | Average residual borer population (head) | Average correction lethality (%) |
| 6.25 | 30 | 23.5 | 16.07 |
| 12.5 | 30 | 21.0 | 25.00 |
| 25 | 30 | 17.0 | 39.29 |
| 50 | 30 | 12.3 | 56.42 |
| 100 | 30 | 2.3 | 92.14 |
| CK | 30 | 28.0 | / |
Regression equation: Y=2.3045+1.8765X
Correlation coefficient: r value=0.9530; Poison exponent=7.21; Co-toxicity coefficient=202
Lethal concentration: LC
50=27.32mg/L
Embodiment 2:
Take by weighing 2g theta-cypermethrin, 30g fluorine bell urea, 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 5 percent of hexaflumuron emulsifiable concentrate.
Carry out indoor synergy biologicall test, selecting rice-stem borer, paddy stem borer is 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 2 theta-cypermethrin fluorine bell urea=2: 30 pairs rice-stem borer, paddy stem borer
| Concentration (ppm) | Examination borer population (head) | Average residual borer population (head) | Average correction lethality (%) |
| 6.25 | 30 | 23.0 | 7.14 |
| 12.5 | 30 | 18.3 | 35.00 |
| 25 | 30 | 13.5 | 51.79 |
| 50 | 30 | 7.5 | 73.21 |
| 100 | 30 | 2.0 | 92.86 |
| CK | 30 | 28.0 | / |
Regression equation: Y=1.9043+1.9190X
Correlation coefficient: r value=0.9917; Poison exponent=4.80; Co-toxicity coefficient=163
Lethal concentration: LC
50=41.04mg/L
Embodiment 3:
Take by weighing the 2g theta-cypermethrin, 33g goes out young urea, 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 the preparation 35% theta-cypermethrin young urea missible oil that goes out.
Carry out indoor synergy biologicall test, selecting rice-stem borer, paddy stem borer is 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 go out toxicity test effect of young urea=2: 33 pairs rice-stem borer, paddy stem borer of table 3 theta-cypermethrin
| Concentration (ppm) | Examination borer population (head) | Average residual borer population (head) | Average correction lethality (%) |
| 6.25 | 30 | 21.0 | 7.86 |
| 12.5 | 30 | 16.3 | 37.00 |
| 25 | 30 | 14.5 | 50.68 |
| 50 | 30 | 6.5 | 76.35 |
| 100 | 30 | 1.0 | 98.45 |
| CK | 30 | 27.0 | / |
Regression equation: Y=1.812+1.683X
Correlation coefficient: r value=0.9936; Poison exponent=4.90; Co-toxicity coefficient=154
Lethal concentration: LC
50=40.23mg/L
Embodiment is prevented and treated the field control effectiveness test of rice-stem borer, paddy stem borer, and the contrast medicine is that the result is as follows:
| Handle (ml, g/mu) | Behind the medicine 10 days | Behind the medicine 26 days | Insecticidal effect | |||
| Withered heart rate | Seedling protecting effect | Withered heart rate | Seedling protecting effect | Borer population alive | Worm alive and CK slip | |
| Embodiment 1 | 80 | 3.11 | 75.76abA | 2.54 | 83.02bAB | 7.75 | 80.34abA |
| 100 | 2.73 | 79.50abA | 1.53 | 89.43abAB | 4.75 | 85.07abA | |
| 120 | 2.08 | 84.12aA | 1.03 | 93.45aA | 3.25 | 91.10aA | |
| Embodiment 2 | 80 | 4.34 | 75.36abA | 2.65 | 82.19bB | 8.96 | 82.45aA |
| 100 | 3.45 | 77.56abA | 1.23 | 88.45abB | 4.93 | 85.67abA | |
| 120 | 2.38 | 88.38aA | 0.98 | 93.45aA | 3.17 | 93.71aA | |
| Embodiment 3 | 80 | 3.24 | 74.56abA | 2.89 | 81.09bB | 6.98 | 79.82abB |
| 100 | 2.09 | 78.60abA | 1.37 | 87.45abB | 3.98 | 86.23abA | |
| 120 | 1.78 | 86.34aA | 1.09 | 92.76aA | 3.67 | 94.25aA | |
| 5% theta-cypermethrin | 100 | 5.23 | 71.287cC | 3.47 | 76.14bC | 10.25 | 72.35bB |
| 5% fluorine pyridine urea | 100 | 3.51 | 68.67cC | 3.87 | 76.14bC | 11.70 | 70.23bB |
| Blank | 13.62 | 14.73 | 42.50 | ||||
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; A is illustrated on α=0.01 level remarkable, and B is illustrated on α=0.01 level variant, and C is illustrated on α=0.01 level not remarkable;
The above results shows, the complex composition of theta-cypermethrin and benzoyl area kind is compared with two single agent and to be had following advantage: (1) has significantly improved the omnidistance control efficiency to rice-stem borer, paddy stem borer; (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 1g theta-cypermethrin, the 5g young urea that goes out, calcium dodecyl benzene sulfonate 4g, farming breast 33
#3g, phenethyl phenol polyethenoxy ether 3g, add dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms the preparation 6% theta-cypermethrin young urea missible oil that goes out.
Embodiment 5: take by weighing 1g theta-cypermethrin, the 20g young urea that goes out, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, add dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms the preparation 21% theta-cypermethrin young urea missible oil that goes out.
Embodiment 6: take by weighing 5g theta-cypermethrin, the 10g young urea that goes out, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 2g, add dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms the preparation 15% theta-cypermethrin young urea missible oil that goes out.
Embodiment 7: take by weighing 0.5g theta-cypermethrin, 30g fluorine bell urea, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 5g, add dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 30.5% theta-cypermethrin 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 8: take by weighing 10g theta-cypermethrin, 20g fluorine bell urea, calcium dodecyl benzene sulfonate 3g, phenethyl phenol polyethenoxy ether 3g, add dimethylbenzene 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 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 9: take by weighing 20g theta-cypermethrin, 10g fluorine bell urea, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 5g, add dimethylbenzene 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 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 10: take by weighing 30g theta-cypermethrin, 1g fluorine pyridine urea, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 6g, add 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 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 11: take by weighing 10g theta-cypermethrin, 15g fluorine pyridine urea, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 4g, add 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 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 12: take by weighing 10g theta-cypermethrin, 25g fluorine pyridine urea, calcium dodecyl benzene sulfonate 5g, phenethyl phenol polyethenoxy ether 3g, add 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 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 13: take by weighing 2g theta-cypermethrin, 33g Teflubenzuron, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, add 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 Teflubenzuron missible oil.
Embodiment 14: take by weighing 2g theta-cypermethrin, 25g flucycloxuron, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, add dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 27% theta-cypermethrin flucycloxuron missible oil.
Embodiment 15: take by weighing 0.5g theta-cypermethrin, 30g flufenoxuron, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, add dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms preparation 30.5% theta-cypermethrin flufenoxuron missible oil.
Embodiment 16: take by weighing 10g theta-cypermethrin, 10g diflubenzuron, calcium dodecyl benzene sulfonate 4g, phenethyl phenol polyethenoxy ether 3g, add dimethylbenzene 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 diflubenzuron missible oil.
Embodiment 17: take by weighing 10g theta-cypermethrin, 10g diflubenzuron, 15g fluorine pyridine urea, calcium dodecyl benzene sulfonate 7g, phenethyl phenol polyethenoxy ether 7g, add 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 diflubenzuron 5 percent of hexaflumuron emulsifiable concentrate.
Embodiment 18: take by weighing 10g theta-cypermethrin, 15g fluorine pyridine urea, the 10g young urea that goes out, calcium dodecyl benzene sulfonate 9g, phenethyl phenol polyethenoxy ether 8g, add dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms the preparation 35% theta-cypermethrin fluorine pyridine urea young urea missible oil that goes out.
Embodiment 19: take by weighing 10g theta-cypermethrin, 15g fluorine pyridine urea, 10g go out young urea, 5g Teflubenzuron, flucycloxuron 2, calcium dodecyl benzene sulfonate 10g, phenethyl phenol polyethenoxy ether 7g, add dimethylbenzene to 100g.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms the preparation 42% theta-cypermethrin fluorine pyridine urea young urea Teflubenzuron flucycloxuron missible oil that goes out.
Claims (7)
1, a kind of Pesticidal combination is characterized in that it contains theta-cypermethrin and process for preparation of benzoylurea compounds is an active ingredient, and wherein the weight ratio of theta-cypermethrin and process for preparation of benzoylurea compounds is 0.1～30: 0.5～30.
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 process for preparation of benzoylurea compounds is 0.5～20: 1～25.
4, Pesticidal combination according to claim 1, wherein process for preparation of benzoylurea compounds is one or more any mixing in fluorine pyridine urea, fluorine bell urea, go out young urea, Teflubenzuron, flufenoxuron, diflubenzuron or the flucycloxuron.
5,, it is characterized in that it is that active ingredient and insecticides adjuvant and excipients are mixed with cream preparation with theta-cypermethrin and process for preparation of benzoylurea compounds according to the described Pesticidal combination of claim 1.
6, the described Pesticidal combination of claim 1 is in the application that prevents and treats on the resistance lepidoptera pest.
7, according to the application of the described Pesticidal combination of claim 6 on the control snout moth's larva of rice and cabbage caterpillar, beet armyworm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510041429 CN1911027A (en) | 2005-08-12 | 2005-08-12 | Synergistic compound pesticide contg. trans-cypermethrin and benzoyl urea |
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| CN 200510041429 CN1911027A (en) | 2005-08-12 | 2005-08-12 | Synergistic compound pesticide contg. trans-cypermethrin and benzoyl urea |
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| CN1911027A true CN1911027A (en) | 2007-02-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333794A (en) * | 2017-08-25 | 2017-11-10 | 广东省农业科学院植物保护研究所 | A kind of Pesticidal combination containing gamma cyhalothrin and d ichlorbenzuron |
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2005
- 2005-08-12 CN CN 200510041429 patent/CN1911027A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333794A (en) * | 2017-08-25 | 2017-11-10 | 广东省农业科学院植物保护研究所 | A kind of Pesticidal combination containing gamma cyhalothrin and d ichlorbenzuron |
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