CN102017982A - Bifenthrin/buprofezin composition and preparation thereof - Google Patents
Bifenthrin/buprofezin composition and preparation thereof Download PDFInfo
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- CN102017982A CN102017982A CN2010105896671A CN201010589667A CN102017982A CN 102017982 A CN102017982 A CN 102017982A CN 2010105896671 A CN2010105896671 A CN 2010105896671A CN 201010589667 A CN201010589667 A CN 201010589667A CN 102017982 A CN102017982 A CN 102017982A
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- biphenthrin
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Abstract
The invention discloses a composition taking bifenthrin and buprofezin as active ingredients. The composition can be prepared into an insecticide in form of emulsion in water, microemulsion, suspension, wettable powder and the like by adding pesticide adjuvant, softened water, a filler or the like. The bifenthrin and the buprofezin can fully develop own advantages after being compounded, so the composition can realize high synergism, effectively better actual prevention and control effects, reduce the using amounts of pesticides, is environmentally-friendly, reduce the use cost of a farmer and retard the generation of resistance of insects to the medicament, and has low toxicity and fewer residues. The insecticide has a relatively better effect when applied to the prevention and control of the insects such as nilaparvata lugens, smaller green leafhoppers in tea plants, and the like.
Description
Technical field
The present invention relates to agriculture pesticide field, more particularly relate to prevent and treat the insecticide of insects such as water rice hopper, tea tree tea lesser leafhopper.
Background technology
In the real process of agricultural production, on the one hand, the problem that prevention and elimination of disease and pests is easy to generate most is the generation of pest resistance to insecticide, along with agricultural chemicals large tracts of land use separately continuously all the year round, pest resistance to insecticide is constantly strengthened, dispenser dosage is continued to increase, dosage is increasing.On the other hand, important insect such as lepidoptera pest on the agricultural be because its breeding cycle is short, and breeding amount is big, and mobility is little, selfing degree height, and many insects and evil mite have produced certain resistance to agricultural chemicals, cause the actual control efficiency of some agricultural chemicals relatively poor.
Along with the fast development of Chinese national economy and improving constantly of living standards of the people, more and more higher requirement has been proposed for quantity, quality and the safety thereof of agricultural product.But, over past ten years, because high-quality, high yield and the variation of crops such as paddy rice, vegetables, and climate warming and the invasion of external pest, causing harm of diseases and pests of agronomic crop totally is the situation that rises significantly.Primary pests such as rice fulgorid, aphid, aleyrodid frequently break out, rice hoppers the Yangtze river basin and on the south the rice district often break out and cause disaster, be late rice fringe phase important pests.Then because the kind layout is various, crops for rotation are complicated, and insect is taken place again and again, the chemical pesticide amount of application increases economic crops such as vegetables, and residue of pesticide exceed standard surprising.Chemical pesticide has not only caused serious farmland ecological environment and water pollution, and has directly increased the residual quantity of agricultural product toxic chemical substances, and human health is caused serious threat.
The plant hopper of China's hazard rice mainly contains three kinds: small brown rice planthopper, brown planthopper, white-backed planthopper, China is the heaviest with brown planthopper harm.In Yangze river and Huai river rice district, in 2-5 generation, take place in brown planthopper throughout the year, white-backed planthopper 4-5 generation.Small brown rice planthopper generally survives the winter in the locality, only carries out the short distance migration, take place 5-6 generation in the area, Jiangsu and Zhejiang Provinces throughout the year, but the heaviest with 1-2 for harm.The control of China rice fulgorid is mainly used insecticides such as organic phosphor organochlorine, organic nitrogen in the spraying control of nymph peak period in the 60-80 age; But after the nineties, China promotes the use of Buprofezin control rice fulgorid, obtain good effect, in the latter stage nineties, begun to apply Imidacloprid control rice fulgorid, but owing to use continuously, produced certain pesticide resistance on producing, control efficiency descends, and prevents the snout moth's larva of rice owing to promote the use of Hostathion on producing in recent years again, this medicament has the effect that stimulates its breeding to water rice hopper, makes that rice fulgorid (particularly brown planthopper and small brown rice planthopper) is especially big generation in recent years.China mainly contains Buprofezin, Imidacloprid, fluorine worm nitrile, dichlorvos, chlorophos etc. to the control of the control rice fulgorid of rice fulgorid at present, the existing pesticide resistance that has in these medicaments, what have has very strong lethal effect to the rice field natural enemy, the use that has is dangerous, use causes dispenser personnel's poisoning easily in the rice field, has greater environmental impacts.
Summary of the invention
The pesticide that the purpose of this invention is to provide a kind of insects such as control water rice hopper, tea tree tea lesser leafhopper of efficient, low toxicity; solve owing to using single agricultural chemicals the pesticide resistance problem of insect to occur all the year round; to reduce the usage amount of agricultural chemicals; the protection environment; and can avoid and delay pesticide resistance and produce, prolong the service life of agricultural chemicals.
The combination of different pesticide species is mixed, and is the common methods of the agriculture resistant insect of control.By the formulation of pesticide screening, filter out rational prescription, can play the effect of Synergistic, effectively improve actual control efficiency, reduce dosage, reduce cost, delay the generation of pest resistance to insecticide.
The applicant provides a kind of pesticide composition scheme by Biphenthrin and Buprofezin through research, screening and test.
Biphenthrin (bifenthrin, CAS:82657-04-3), chemical name 2-methyl biphenyl-3-ylmethyl-(Z)-(1RS)-suitable-3-(2-chloro-3,3,3-three fluoro-1-acrylic)-2,2-dimethyl cyclopropane carboxylic acid ester, Chinese: bifenthrin, Uranus, the spirit of worm mite, Bi Fenning etc.Belong to the pyrethroid Insecticidal and acaricidal agent.Be mainly used in insects such as control cotton, citrus, vegetables, fruit tree, tobacco, tea tree, its mode of action is inhaled fumigation action to tag and stomach toxicity in not having, and insecticidal spectrum is wide, and effect rapidly.Do not move in soil, safer to environment, the longevity of residure is longer.Easy decomposition failure in alkaline medium and soil.In the U.S. is topmost dry crop control of insect medicament.
Buprofezin (english common name buprofezin, other title: excellently readily take the opportunity to, buprofezin) belong to a kind of new selective insecticide that insect growth is grown that suppresses, action of contace poison is strong, and stomach poison function is also arranged.Mechanism of action is synthetic and disturb metabolism for suppressing insect chitin, causes insect cast off a skin deformity or wing deformity and slowly dead.Simultaneously, can make adult shorten the life-span, reduce egg laying amount, and the majority of output is addle-egg, even the also very fast death of larva hatching.Plant hopper, leafhopper, aleyrodid etc. are had special efficacy, some scale insects such as arrowhead scales, long white a red-spotted lizard are also had better effects, the longevity of residure is longer, but drug effect speed is than steamed bun.Buprofezin has the lasting effect insecticidal activity to the coleoptera on paddy rice, fruit tree, tea tree, the vegetables, part Homoptera and Acarina, can prevent and treat Cicadellidae, Delphacidae on the paddy rice effectively; Cicadellidae on the potato; Aleyrodidae on citrus, cotton and the vegetables; This section on the citrus, shield rank section and powder rank section.The advantage of Buprofezin be toxicity very little and also under typical concentrations to crop, pest natural enemy and visit flower insect safety, this medicine lasting period reaches 35-40 days in addition.It is more satisfactory pesticide species in the present integrated pest control.
Biphenthrin of the present invention and Buprofezin composition, its effective ingredient are Biphenthrin and Buprofezin, and the weight part ratio of Biphenthrin and Buprofezin is 1～300: 500～1.
Said Biphenthrin and Buprofezin composition, become the various formulations of pesticide with the insecticides adjuvant combined preparation, wherein the percentage by weight of each component is: Biphenthrin 0.1～30%, Buprofezin 50～0.1%, insecticides adjuvant 5～20%, surplus are demineralized water or filler.
Said Biphenthrin and Buprofezin composition become the various formulations of pesticide with the insecticides adjuvant combined preparation, and wherein the percentage by weight of each component is: Biphenthrin 5～20%, Buprofezin 30～5%, insecticides adjuvant 5～20%, surplus are demineralized water or filler.
Said Biphenthrin and Buprofezin composition become the various formulations of pesticide with the insecticides adjuvant combined preparation, and wherein the percentage by weight of each component is: Biphenthrin 6～10%, Buprofezin 15～8%, insecticides adjuvant 5～20%, surplus are demineralized water or filler.
Said Biphenthrin and Buprofezin composition become the various formulations of pesticide with the insecticides adjuvant combined preparation, and wherein the percentage by weight of each component is: Biphenthrin 8%, Buprofezin 12%, insecticides adjuvant 5～20%, surplus are demineralized water or filler.
Said insecticides adjuvant is meant the helper component except Biphenthrin and two kinds of active principles of Buprofezin in the said composition, comprises components such as farm chemical carrier, dispersant, wetting agent, preservative, filler, solvent, surfactant, demineralized water.
Said Biphenthrin and Buprofezin composition become the insecticide of aqueous emulsion, microemulsion, suspending agent, wetting powder formulation with the insecticides adjuvant combined preparation.
Said Biphenthrin and Buprofezin composition become the insecticide of aqueous emulsion agent with the insecticides adjuvant combined preparation, wherein the percentage by weight of each component is:
Biphenthrin 6～10%
Buprofezin 15～8%
Solvent 10～20%
Surfactant 10%
The demineralized water surplus.
Said Biphenthrin and Buprofezin composition become the insecticide of micro-emulsion form with the insecticides adjuvant combined preparation, wherein the percentage by weight of each component is:
Biphenthrin 6～10%
Buprofezin 15～8%
Solvent 10～20%
Surfactant 20%
The demineralized water surplus.
Said Biphenthrin and Buprofezin composition become the insecticide of suspending agent formulation with the insecticides adjuvant combined preparation, wherein the percentage by weight of each component is:
Biphenthrin 6～10%
Buprofezin 15～8%
Dispersant 4%
Wetting agent 1%
The demineralized water surplus.
Said Biphenthrin and Buprofezin composition become the insecticide of wetting powder formulation with the insecticides adjuvant combined preparation, wherein the percentage by weight of each component is:
Biphenthrin 6～10%
Buprofezin 15～8%
Surfactant 4%
The filler surplus.
The insecticide of said Biphenthrin and Buprofezin composition aqueous emulsion agent, wherein solvent is a dimethylbenzene, surfactant is EW01 or SFR08.
The insecticide of said Biphenthrin and Buprofezin composite microemulsion formulation, wherein solvent is a dimethylbenzene, surfactant is 502#, T60# and 34#.
The insecticide of said Biphenthrin and Buprofezin composition suspending agent formulation, wherein dispersant is that L 12, wetting agent are: L13
The insecticide of said Biphenthrin and Buprofezin composite wettable powder formulation, wherein surfactant is 0203B, filler is fine particle calcium carbonate or kaolin and so on.
Beneficial effect and advantage
By Biphenthrin and buprofezin compound combination, play the effect of Synergistic, Biphenthrin of the present invention and Buprofezin pesticide composition have usefulness efficient, low toxicity, effectively improve actual control efficiency, reduce the usage amount of agricultural chemicals, help protecting environment.Insects such as control water rice hopper, tea tree tea lesser leafhopper there is effect preferably.
Embodiment
The insecticide of embodiment 1 preparation Biphenthrin and Buprofezin composition aqueous emulsion agent, wherein the percentage by weight of each component is:
Biphenthrin 10%
Buprofezin 8%
Dimethylbenzene 20%
Surfactant EW01 is 10%
The demineralized water surplus.
The insecticide of embodiment 1 ton of Biphenthrin of 2 preparations and Buprofezin composition aqueous emulsion agent, wherein the weight proportion of each component is:
Biphenthrin 100kg
Buprofezin 80kg
Dimethylbenzene 200kg
Surfactant EW01 is 100kg
Demineralized water 520kg
With above component according to the technology of agricultural chemicals routine and method preparation and get.
The insecticide of embodiment 3 preparation Biphenthrins and Buprofezin composite microemulsion formulation, wherein the percentage by weight of each component is:
Biphenthrin 6%,
Buprofezin 15%,
Solvent xylene 20%,
Surfactant 20%
The demineralized water surplus.
The insecticide of embodiment 4 preparation Biphenthrins and Buprofezin composite microemulsion formulation, wherein the percentage by weight of each component is:
Biphenthrin 15%,
Buprofezin 25%,
Solvent xylene 15%,
Surfactant 20%
The demineralized water surplus.
The insecticide of embodiment 1 ton of Biphenthrin of 5 preparations and Buprofezin composite microemulsion formulation, wherein the weight proportion of each component is:
Biphenthrin 150kg
Buprofezin 250kg
Solvent xylene 150kg
Surfactant 200kg
Demineralized water 250kg
With above component according to the technology of agricultural chemicals routine and method preparation and get.
The insecticide of embodiment 6 preparation Biphenthrins and Buprofezin composition suspending agent formulation, wherein the percentage by weight of each component is:
Biphenthrin 8%
Buprofezin 12%
Dispersant 4%
Wetting agent 1%
The demineralized water surplus.
The insecticide of embodiment 1 ton of Biphenthrin of 7 preparations and Buprofezin composition suspending agent formulation, wherein the weight proportion of each component is:
Biphenthrin 80kg
Buprofezin 120kg
Dispersant 40kg
Wetting agent 10kg
Demineralized water 750kg
With above component according to the technology of agricultural chemicals routine and method preparation and get.
The insecticide of embodiment 8 preparation Biphenthrins and Buprofezin composite wettable powder formulation, wherein the percentage by weight of each component is:
Biphenthrin 5%,
Buprofezin 30%,
Surfactant-0203B 4%
Filler-fine particle calcium carbonate surplus.
The insecticide of embodiment 9 preparation Biphenthrins and Buprofezin composite wettable powder formulation, wherein the percentage by weight of each component is:
Biphenthrin 20%,
Buprofezin 15%,
Surfactant 0203B 4%
Filler-kaolin surplus.
The insecticide of embodiment 1 ton of Biphenthrin of 10 preparations and Buprofezin composite wettable powder formulation, wherein the weight proportion of each component is:
Biphenthrin 200kg
Buprofezin 150kg
Surfactant-0203B 40kg
Filler-kaolin 610kg
With above component according to the technology of agricultural chemicals routine and method preparation and get.
Application example
The inventor adopts following prescription, prevents and treats the test of tea tree tea lesser leafhopper:
A: Biphenthrin 15%
B: Biphenthrin 15%, Buprofezin 15%
C: Biphenthrin 15%, Buprofezin 20%
D: Biphenthrin 10%
E: clear water contrast
Test site: peace cup tea place, Pingnan County, Guangxi, when morning, dew was not dried, adult, nymph number on 30 bud tips of every sub-district random searching.Before dispenser, carry out insect population radix investigation, behind the medicine respectively 2, the effect research of 7d after preventing and treating, 5 samplings are adopted in investigation.Every sub-district 5 points of taking a sample, every 20 young sprouts, the investigation young sprout tea lesser leafhopper borer population of living, and record insect population number calculate insect population go down rate and preventive effect.Pilot region tea tree natural enemy mainly is a spider, every sub-district generaI investigation natural enemy radix before the dispenser, and 3d investigates residual natural enemy quantity behind the medicine, calculates medicament to the natural enemy kill rate.
Control efficiency (%)=(treatment region insect population go down rate one blank district insect population go down rate)/(100 1 blank district insect populations go down rate) x100
Effect: behind the medicine 3,7d, handle A the preventive effect of tea lesser leafhopper is respectively 83.25%, 94.99%; Treatments B is respectively 93.80%, 97.73%; Handle C and be respectively 96.54%, 98.07%; Handle D and be respectively 91.02%, 94.63%.Better to handle C and treatments B control efficiency; It is best wherein to handle C 7d control efficiency behind medicine, reaches 98.o7%; Handling A takes second place with processing D.Processing A, treatments B, processing C, processing D 3d behind medicine are respectively 18.42%, 10.32%, 59.09%, 65.21% (table 1) to the predator kill rate
The effect of biphenyl chrysanthemum vinegar and Buprofezin composition for preventing and controlling tea tree tea lesser leafhopper
The effect of control rice fulgorid
The inventor adopts following prescription, prevents and treats the test of tea tree tea lesser leafhopper:
A: Biphenthrin 15%
B: Biphenthrin 15%, Buprofezin 15%
C: Biphenthrin 15%, Buprofezin 20%
D: Buprofezin 10%
E: clear water contrast
Test site: paddy rice producing region, county magistrate cities and towns, Pingnan County, Guangxi, when morning, dew was not dried, plant hopper insect population number on the random searching rice root of every sub-district.Before dispenser, carry out insect population radix investigation, behind the medicine respectively 1,3d carries out the control efficiency investigation, 5 samplings are adopted in investigation.Every sub-district 5 points of taking a sample, every 20 paddy rice, the plant hopper borer population on the investigation paddy rice, and record insect population number calculate insect population go down rate and preventive effect.
Control efficiency (%)=(treatment region insect population go down rate one blank district insect population go down rate)/(100 1 blank district insect populations go down rate) x100
Effect: behind the medicine 1,3d, handle A the preventive effect of rice fulgorid is respectively 81.65%, 85.59%; Treatments B is respectively 92.66%, 98.53%; Handle C and be respectively 94.57%, 99.07%; Handle D and be respectively 75.02%, 82.63%.Better to handle C and treatments B control efficiency; It is best wherein to handle C 3d control efficiency behind medicine, reaches 99.07%; Handle A and handle the D effect general.
Claims (10)
1. Biphenthrin and Buprofezin composition, the effective ingredient that it is characterized in that said composition is Biphenthrin and Buprofezin, the weight part ratio of Biphenthrin and Buprofezin is 1～300: 500～1.
2. Biphenthrin according to claim 1 and Buprofezin composition, it is characterized in that said composition becomes the various formulations of pesticide with the insecticides adjuvant combined preparation, wherein the percentage by weight of each component is: Biphenthrin 0.1～30%, Buprofezin 50～0.1%, insecticides adjuvant 5～20%, surplus are demineralized water or filler.
3. Biphenthrin according to claim 1 and Buprofezin composition, it is characterized in that said composition becomes the various formulations of pesticide with the insecticides adjuvant combined preparation, wherein the percentage by weight of each component is: Biphenthrin 5～20%, Buprofezin 30～5%, insecticides adjuvant 5～20%, surplus are demineralized water or filler.
4. Biphenthrin according to claim 1 and Buprofezin composition, it is characterized in that said composition becomes the various formulations of pesticide with the insecticides adjuvant combined preparation, wherein the percentage by weight of each component is: Biphenthrin 8%, Buprofezin 12%, insecticides adjuvant 5～20%, surplus are demineralized water or filler.
5. according to the pesticidal preparations of each described Biphenthrin of claim 2～5 and Buprofezin composition, it is characterized in that said insecticides adjuvant is meant the helper component except Biphenthrin and two kinds of active principles of Buprofezin in the said composition, comprises components such as farm chemical carrier, dispersant, wetting agent, preservative, filler, solvent, surfactant, demineralized water.
6. Biphenthrin according to claim 1 and Buprofezin composition is characterized in that said composition becomes the insecticide of aqueous emulsion, microemulsion, suspending agent, wetting powder formulation with the insecticides adjuvant combined preparation.
7. Biphenthrin according to claim 1 and Buprofezin composition is characterized in that said composition becomes the insecticide of aqueous emulsion agent with the insecticides adjuvant combined preparation, and wherein the percentage by weight of each component is:
Biphenthrin 6～10%
Buprofezin 15～8%
Solvent 10～20%
Surfactant 10%
The demineralized water surplus.
8. Biphenthrin according to claim 1 and Buprofezin composition is characterized in that said composition becomes the insecticide of micro-emulsion form with the insecticides adjuvant combined preparation, and wherein the percentage by weight of each component is:
Biphenthrin 6～10%
Buprofezin 15～8%
Dimethylbenzene 10～20%
Surfactant 20%
The demineralized water surplus.
9. Biphenthrin according to claim 1 and Buprofezin composition is characterized in that said composition becomes the insecticide of suspending agent formulation with the insecticides adjuvant combined preparation, and wherein the percentage by weight of each component is:
Biphenthrin 6～10%
Buprofezin 15～8%
Dispersant 4%
Wetting agent 1%
The demineralized water surplus.
10. Biphenthrin according to claim 1 and Buprofezin composition is characterized in that said composition becomes the insecticide of wetting powder formulation with the insecticides adjuvant combined preparation, and wherein the percentage by weight of each component is:
Biphenthrin 6～10%
Buprofezin 15～8%
Surfactant 4%
The filler surplus.
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Citations (2)
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|---|---|---|---|---|
| CN101352172A (en) * | 2008-09-12 | 2009-01-28 | 陈章艳 | Pesticide composition based on Thiamethoxam |
| CN101790978A (en) * | 2009-12-02 | 2010-08-04 | 深圳诺普信农化股份有限公司 | Pesticide emulsion in water and preparation method thereof |
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2010
- 2010-12-15 CN CN2010105896671A patent/CN102017982A/en active Pending
Patent Citations (2)
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|---|---|---|---|---|
| CN101352172A (en) * | 2008-09-12 | 2009-01-28 | 陈章艳 | Pesticide composition based on Thiamethoxam |
| CN101790978A (en) * | 2009-12-02 | 2010-08-04 | 深圳诺普信农化股份有限公司 | Pesticide emulsion in water and preparation method thereof |
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| 叶显华: "25g/L联苯菊酯乳油防治茶树茶小绿叶蝉效果试验", 《现代农业科技》 * |
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Application publication date: 20110420 |