CN105104401A - Pesticide composition containing fenpyroximate and flufenoxuron - Google Patents
Pesticide composition containing fenpyroximate and flufenoxuron Download PDFInfo
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- CN105104401A CN105104401A CN201510605280.3A CN201510605280A CN105104401A CN 105104401 A CN105104401 A CN 105104401A CN 201510605280 A CN201510605280 A CN 201510605280A CN 105104401 A CN105104401 A CN 105104401A
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- flufenoxuron
- fenpyroximate
- pesticide
- avermectin
- mite
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- 239000000203 mixture Substances 0.000 title claims abstract description 40
- RYLHNOVXKPXDIP-UHFFFAOYSA-N flufenoxuron Chemical compound C=1C=C(NC(=O)NC(=O)C=2C(=CC=CC=2F)F)C(F)=CC=1OC1=CC=C(C(F)(F)F)C=C1Cl RYLHNOVXKPXDIP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000005657 Fenpyroximate Substances 0.000 title claims abstract description 36
- YYJNOYZRYGDPNH-MFKUBSTISA-N fenpyroximate Chemical compound C=1C=C(C(=O)OC(C)(C)C)C=CC=1CO/N=C/C=1C(C)=NN(C)C=1OC1=CC=CC=C1 YYJNOYZRYGDPNH-MFKUBSTISA-N 0.000 title claims abstract description 36
- 239000000575 pesticide Substances 0.000 title claims abstract description 18
- 239000005660 Abamectin Substances 0.000 claims abstract description 34
- RRZXIRBKKLTSOM-XPNPUAGNSA-N avermectin B1a Chemical compound C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 RRZXIRBKKLTSOM-XPNPUAGNSA-N 0.000 claims description 30
- 239000004530 micro-emulsion Substances 0.000 claims description 10
- 239000000375 suspending agent Substances 0.000 claims description 9
- 239000004480 active ingredient Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 230000002195 synergetic effect Effects 0.000 abstract description 8
- 238000002156 mixing Methods 0.000 abstract description 3
- 230000000361 pesticidal effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- IBSREHMXUMOFBB-JFUDTMANSA-N 5u8924t11h Chemical compound O1[C@@H](C)[C@H](O)[C@@H](OC)C[C@@H]1O[C@@H]1[C@@H](OC)C[C@H](O[C@@H]2C(=C/C[C@@H]3C[C@@H](C[C@@]4(O3)C=C[C@H](C)[C@@H](C(C)C)O4)OC(=O)[C@@H]3C=C(C)[C@@H](O)[C@H]4OC\C([C@@]34O)=C/C=C/[C@@H]2C)/C)O[C@H]1C.C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 IBSREHMXUMOFBB-JFUDTMANSA-N 0.000 abstract 4
- 229950008167 abamectin Drugs 0.000 abstract 4
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- 238000012360 testing method Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 14
- 241001672694 Citrus reticulata Species 0.000 description 10
- 241000238631 Hexapoda Species 0.000 description 8
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- 230000000857 drug effect Effects 0.000 description 5
- 230000002045 lasting effect Effects 0.000 description 5
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- 230000000694 effects Effects 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 230000009931 harmful effect Effects 0.000 description 4
- 230000010534 mechanism of action Effects 0.000 description 4
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- 241000607479 Yersinia pestis Species 0.000 description 3
- -1 acyl group ureas Chemical class 0.000 description 3
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- 241000238876 Acari Species 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
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- 238000000205 computational method Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 231100000053 low toxicity Toxicity 0.000 description 2
- 230000003129 miticidal effect Effects 0.000 description 2
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- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
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- 231100000820 toxicity test Toxicity 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
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- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- MUTCWUGBBPHCOV-UHFFFAOYSA-N N1N=CC=C1.[O].C1=CC=CC=C1 Chemical class N1N=CC=C1.[O].C1=CC=CC=C1 MUTCWUGBBPHCOV-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
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- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000000895 acaricidal effect Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
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- 239000002518 antifoaming agent Substances 0.000 description 1
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- 230000008901 benefit Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- OOCMUZJPDXYRFD-UHFFFAOYSA-L calcium;2-dodecylbenzenesulfonate Chemical compound [Ca+2].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O OOCMUZJPDXYRFD-UHFFFAOYSA-L 0.000 description 1
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- 239000002917 insecticide Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
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- 238000003801 milling Methods 0.000 description 1
- 230000002438 mitochondrial effect Effects 0.000 description 1
- 230000036403 neuro physiology Effects 0.000 description 1
- 230000003151 ovacidal effect Effects 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a pesticide composition containing abamectin, fenpyroximate and flufenoxuron as active components. The pesticide composition is characterized in that the weight ratio of abamectin to fenpyroximate and flufenoxuron is (1-2):(6-9):(5-9). In the pesticide composition, the acting mechanisms of abamectin, fenpyroximate and flufenoxuron are different, and an obvious synergistic effect is achieved through reasonable mixing of abamectin, fenpyroximate and flufenoxuron, so that the pesticide effect can be greatly improved, and the pesticide consumption per mu can be reduced. Therefore, the adverse influence on the environment and the amount of a pesticide residue are reduced, the pesticide effect duration is prolonged, and the defect that a single pesticide agent cannot cover all growth cycles of red spiders is overcome.
Description
Technical field
The present invention relates to a kind of composition pesticide, specifically containing the miticide composition of fenpyroximate and flufenoxuron, for preventing and treating the harmful mite of mandarin tree.
Background technology
In recent years, along with the market price of oranges and tangerines improves constantly, oranges and tangerines cultivated area also constantly expands, and therefore frequent medication, dosage constantly increase also more and more general.The primary pest of current harm oranges and tangerines is two spotted spider mite, citrus red mite is also referred to as panonychus citri, if one-tenth mite mite, young mite are gathered on blade, spray and pericarp and draw juice, killed blade presents many canescence flecks, full leaf canescence time serious, cause a large amount of fallen leaves and spike top, affect tree vigo(u)r and output.During harm fruit, fruit surface is covered with canescence chlorosis spot, and full fruit is pale, affects output.Two spotted spider mite is because its fertility is very strong, life cycle is shorter, take place frequently throughout the year, and the single medicament of Long-Time Service makes two spotted spider mite resistance accelerate and drug effect is obviously declined.
Therefore be badly in need of a kind of high-efficiency low-toxicity, evil mite resistance development can be delayed, meet the pesticide control of integrated pest management.
Avermectin, have insects and mites and tag and stomach poison function, have very strong osmosis simultaneously to blade, can kill subepidermal insect, but not have ovicidal activity, therefore the lasting period is shorter.Its mechanism of action is that its interference neurophysiology is movable, if namely mite class occurs paralysis symptom after becoming mite to contact with larva with insect, inertia does not take food, dead after 2-4 days after medicine.Current mite class, mainly using Avermectin as single pesticide control, does not use with other miticide rotations owing to using year after year, has made the harmful mite in some areas create pesticide resistance to Avermectin.
Fenpyroximate, be benzene oxygen pyrazoles miticide, its mechanism of action is Mitochondrial electron transfer inhibitor, and with the miticide on market without cross resistance, the mode of action, to tag, has knocking down and suppresses decorticating, and it is fast to kill mite speed.Fenpyroximate is very extensive in China's application, in Agricultural Mites control, played important function.
Flufenoxuron, belongs to acyl group ureas insecticidal/acaricidal agent, and this medicine mainly suppresses the chitinous synthesis of insect cuticle, insect can not normally be casted off a skin or abnormal and dead.After adult contact medicine, though the ovum of product hatch into larva also can be very fast dead.Flufenoxuron control mite class has the longer lasting period, but its quick-acting is relatively poor.
Adopting the agricultural chemicals of different mechanism of action to carry out mixture, is the common methods of preventing and treating agriculture resistant insect.Screened by formulation of pesticide, show that between heterogeneity, pest control has synergistic function in certain ratio range, can effectively improve actual control efficiency, reduce dosage, reduce costs, and can delay the generation of pest resistance to insecticide, extending the service life of medicament, is the important means of integrated pest management.Carrying out the agricultural chemicals of mixture with Avermectin, fenpyroximate, flufenoxuron, there is no report and application at present for preventing and treating citrus red mite.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of high-efficiency low-toxicity, lasting period long, mu cost is low, effectively can prevent and treat citrus red mite, be conducive to integrated pest management containing Avermectin, fenpyroximate and flufenoxuron composition pesticide.
The present invention solves the problems of the technologies described above taked technical scheme: provide a kind of composition pesticide being active ingredient with Avermectin, fenpyroximate and flufenoxuron, and wherein Avermectin, fenpyroximate, flufenoxuron weight ratio is in the composition 1-2:6-9:5-9.
The described composition containing fenpyroximate and flufenoxuron presses method known in those skilled in the art, adds respective secondary auxiliary agent and is mixed with the formulation such as suspending agent, microemulsion being applicable to agricultural practicality.
Adjuvant required in present composition preparation comprise solvent, emulsifier, wetting agent, stabilizing agent, antifreezing agent, defoamer, thickener, dispersant or other be of value to the active ingredient known substance that plays of stable and drug effect in the formulation, all various compositions that are conventional in field of pesticide preparation or permission use, be not particularly limited, concrete composition and consumption are determined by test according to recipe requirements.
The present invention has following advantage and remarkable result, Avermectin, fenpyroximate are different with the mechanism of action of flufenoxuron, rational mixture has obvious synergistic function, significantly can improve drug effect, reduce agricultural chemicals mu consumption, thus the harmful effect reduced environment and residue of pesticide, extend the duration of drug effect, solve the defect that single medicament can not cover each growth cycle of two spotted spider mite simultaneously.
Embodiment
Be described further technical scheme of the present invention and technique effect with the indoor joint toxicity measuring test and field medicine effect test that measure biocidal activity below, percentage of the present invention is all weight percentage.
Embodiment 1: Avermectin, fenpyroximate and flufenoxuron and different ratio are to the toxicity test of panonychus citri
Test method is with reference to " People's Republic of China (PRC) agricultural industry criteria NY/T1154.12-2006 ".Picking up from the female one-tenth mite of panonychus citri in field, through indoor feeding 30 generation, selecting the female one-tenth mite of growth uniformity as supplying examination worm.Adopt seedling method, namely on little basin oranges and tangerines seedling, connect Panonychus citri 50-60 head mite, check radix after 1 day, choose except after dead mite, mend to add and live into mite, retaining often process mite number is about 50.The seedling of mite will be had to use spray tower to spray, moves into 25 DEG C, cultivate under relative moisture 90% condition, check after 15 days, record survival number, carries out statistical analysis with DPS data processing software, calculating regression curve, obtains LC
50, adopt the abundant co-toxicity coefficient method (CTC) waiting nineteen sixty to propose of Sun Yun to evaluate the synergistic effect of pharmacy mix.The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard agent LC
50/ reagent agent LC
50) × 100
In theoretical toxicity index (TTI)=A medicament ATI × mixture A percentage composition+B medicament ATI × mixture in the percentage composition of B
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) × 100
When CTC≤80, composition shows as antagonism, and as 80 < CTC < 120, composition shows as summation action,
When CTC >=120, composition shows as synergistic effect.
Result of the test is in table 1.
Table 1 Avermectin, fenpyroximate, flufenoxuron and different ratio are to the toxicity test (15 days) of panonychus citri
| Reagent agent | Proportioning | Regression equation (y=a+bx) | Correlation coefficient | LC 50(mg/L) | Co-toxicity coefficient |
| Avermectin (A) | / | y＝4.1335+1.6461x | 0.9956 | 3.36 | / |
| Fenpyroximate (B) | / | y＝4.2696+0.9868x | 0.9980 | 5.50 | / |
| Flufenoxuron (C) | / | y＝2.8987+1.5595x | 0.9916 | 22.25 | / |
| A:B:C | 1:6:5 | y＝3.5666+2.0560x | 0.9984 | 4.98 | 149.3 |
| A:B:C | 2:8:5 | y＝3.5943+2.1123x | 0.9901 | 4.63 | 142.4 |
| A:B:C | 1:9:8 | y＝3.9835+1.6041x | 0.9884 | 4.30 | 182.4 |
| A:B:C | 1:7:6 | y＝3.8812+1.6317x | 0.9897 | 4.85 | 156.9 |
| A:B:C | 2:9:9 | y＝3.6041+1.8624x | 0.9942 | 5.62 | 135.0 |
| A:B:C | 2:7:9 | y＝3.8004+1.6511x | 0.9957 | 5.33 | 148.6 |
From table 1, when the weight ratio of Avermectin, fenpyroximate and flufenoxuron carries out mixture between 1-2:6-9:5-9, each proportioning co-toxicity coefficient all reaches more than 120, and the virulence of composition to panonychus citri shows as obvious synergistic effect.
The compound method of embodiment 215% Avermectin fenpyroximate flufenoxuron suspending agent and medicament field trial
Take 2% Avermectin, 8% fenpyroximate, 5% flufenoxuron, 4% alkyl phenol formaldehyde resin polyoxyethylene ether (dispersant), 3% alkylphenol-polyethenoxy base ether phosphate (wetting agent), 1.5% polyvinyl alcohol (thickener), 0.3% silicone defoaming agent, deionized water adds to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with 15% Avermectin fenpyroximate flufenoxuron suspending agent obtained after sand mill sand milling.
The 15% Avermectin fenpyroximate flufenoxuron suspending agent be prepared into is prevented and treated the field control effectiveness test of citrus red mite, verify that this medicament is to the control efficiency of citrus red mite, effective dose and the safety to mandarin tree, test site is Sichuan Guangyuan, controlling object is citrus red mite, conventional method is adopted to carry out even spraying, 4 process are established in test altogether, and each process repeats for 4 times.Before dispenser, investigate field insect population radix, within after medicine 1 day, 7 days and 21 days, investigate residual borer population of living respectively, during investigation, 2 strains are looked in each community, every strain looks into 5 leaves respectively by orientation, 4, the four corners of the world, and every community looks into 40 leaves altogether, records mite number of living, carry out control efficiency statistics, computational methods are as follows:
In formula: PT
0---before-----treatment region medicine; PT
1after-----treatment region medicine
CK
0---before the medicine of-----check plot; CK
1after the medicine of-----check plot
Result of the test is in table 2
The field control effectiveness test of table 215% Avermectin fenpyroximate flufenoxuron suspending agent control panonychus citri.
Field trial shows, 15% Avermectin fenpyroximate flufenoxuron suspending agent has more significant control efficiency to citrus red mite, its control efficiency of 20000 times is obviously better than the control efficiency contrasting medicament 5% Avermectin suspending agent, 5% Enpyfoximate dispersant, 5% flufenoxuron suspending agent 5000 times, this has obvious synergistic function after Avermectin, fenpyroximate and flufenoxuron mixture are described, improve the quick-acting to citrus red mite and lasting period, greatly reduce dosage, mandarin tree growth safety between test region.
The compound method of embodiment 312% Avermectin fenpyroximate flufenoxuron microemulsion and medicament field trial
Take 1.0% Avermectin, 6.0% fenpyroximate, 5.0% flufenoxuron, 4% OPEO (emulsifier), 5% alkyl phenol formaldehyde resin polyoxyethylene ether (dispersant), 5% calcium dodecyl benzene sulfonate (emulsifier), 15% cyclohexanone (solvent), 5%N-methyl pyrrolidone (solvent), 5% n-butanol (emulsifier), 1% epoxychloropropane (stabilizing agent), through dissolving completely and mixing, deionized water adds to 100% weight portion, obtained 12% Avermectin fenpyroximate flufenoxuron microemulsion after stirring.
The 12% Avermectin fenpyroximate flufenoxuron microemulsion be prepared into is prevented and treated the field control effectiveness test of citrus red mite, verify that this medicament is to the control efficiency of citrus red mite, effective dose and the safety to mandarin tree, subjects is panonychus citri, during test, panonychus citri becomes mite many, 4 process are established in test altogether, each process repeats for 4 times, adopts spray method, insect survey mode and the drug effect computational methods identical with embodiment 2 field trial.
Result of the test is in table 3.
The field control effectiveness test of table 312% Avermectin fenpyroximate flufenoxuron microemulsion control panonychus citri.
Field trial shows: 12% Avermectin fenpyroximate flufenoxuron microemulsion has significant control efficiency to citrus red mite, its control efficiency of 10000 times is obviously better than contrast medicament 1% avermectin micro-emulsion 3000 times, 6% fenpyroximate microemulsion 3000 times, 5% flufenoxuron microemulsion 3000 times, after this shows Avermectin, fenpyroximate and flufenoxuron mixture, significantly improve the control efficiency to citrus red mite, composition all has significant improvement than single dose from quick-acting and persistence, greatly reduce dosage, saving of labor economizes this more.Between test region, each process Ci trus growth is normal, and without obvious harmful effect, medication district is compared with not medication district, and all no abnormal phenomenon of the blade of oranges and tangerines, the young tip, young fruit, shows that the safety of reagent agent to oranges and tangerines is better.
In sum, composition of the present invention is employing 3 kinds of active component compound schemes, its activity and miticidal effect are not the simple superposition of each composition activity, compared with existing unitary agent, except there is significant miticidal effect, and there is significant synergistic effect, quick-acting is high, lasting effect is long, the generation of two spotted spider mite resistance can be slowed down, good to crop safety, meet the security requirement of pesticidal preparations.
Claims (2)
1. with the composition pesticide that Avermectin, fenpyroximate and flufenoxuron are active ingredient, it is characterized in that, Avermectin, fenpyroximate and flufenoxuron weight ratio is in the composition 1-2:6-9:5-9.
2. composition pesticide according to claim 1 is prepared into suspending agent or microemulsion.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105145605A (en) * | 2015-10-08 | 2015-12-16 | 广西南宁益土生物科技有限责任公司 | Pesticide composition containing fenpyroximate and flufenoxuron |
| CN107467044A (en) * | 2015-09-22 | 2017-12-15 | 祝蓉杰 | The compound method of AVM fenpyroximate flufenoxuron suspending agent |
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