CN102972416A - Acaricidal composition containing fluacrypyrim and spirodiclofen - Google Patents
Acaricidal composition containing fluacrypyrim and spirodiclofen Download PDFInfo
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- CN102972416A CN102972416A CN2012105650115A CN201210565011A CN102972416A CN 102972416 A CN102972416 A CN 102972416A CN 2012105650115 A CN2012105650115 A CN 2012105650115A CN 201210565011 A CN201210565011 A CN 201210565011A CN 102972416 A CN102972416 A CN 102972416A
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- fluacrypyrim
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Abstract
The invention relates to an acaricidal composition containing fluacrypyrim and spirodiclofen. The acaricidal composition is prepared by binary compounding of effective components, namely, fluacrypyrim and spirodiclofen in the mass ratio of 21: 33, 24: 30, 27: 27, 30: 24 or 33: 21; and the total mass of fluacrypyrim and spirodiclofen in the preparation is 1 to 80% based on the total mass of the whole preparation. The compounded acaricidal composition provided by the invention can be prepared into pesticide formulation like missible oil, suspension, wettable powder, water dispersible granules, emulsion in water and microemulsion. The acaricidal composition containing fluacrypyrim and spirodiclofen is mainly used for controlling pests such as red spider, yellow spider, phyllocoptruta oleivora ashmead, polyphagotarsonemus latus, tetranychus cinabarinus boisdu, tetranychus urticae koch, pear psylla, mussel scale and leafhopper, and can be used for controlling acarid on fruit trees such as orange trees and grape vines, and solanaceae such as eggplant, hot pepper and tomato.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, particularly relate to a kind of miticide composition that contains fluacrypyrim and spiral shell mite ester.
Background technology
Fluacrypyrim is first methoxy acrylic miticide that BASF AG develops the exploitation of Japanese Cao Da company.Have and well tag and stomach poison function, to each characteristics of evil mite, if comprise the ovum mite, become mite all effective, and quick-acting is good, and the lasting period is long, is mainly used in preventing and treating the multiple harmful mite of fruit tree, as preventing and treating the two spotted spider mite of mandarin tree, apple tree.The chemistry of fluacrypyrim is called methyl (E)-2-{ α-[2-isopropoxy-6-(trifluoromethyl) pyrimidine-4-phenoxy group]-0-tolyl }-the 3-methoxy acrylate
,Its chemical structural formula is
Spiral shell mite ester has the brand-new mechanism of action, and the tool action of contace poison does not have interior absorption.The main Fatty synthesis that suppresses mite, the energy metabolism of blocking-up mite, each developmental stage of mite is all effective, comprises ovum.The spiral shell mite ester lasting period is long, kills that the mite spectrum is wide, strong adaptability, low toxicity, low-residual, safety be good, and between the existing miticide without cross resistance, be applicable to prevent and treat the pest mite class that existing miticide is produced resistance.Spiral shell mite ester all has fine preventive effect to two spotted spider mite, yellow spider, Xiu Pi lice, yellow tea mite, Tetranychus cinnabarinus and Tetranychus urticae etc., and the mite evil that can be used for the solanaceous crops such as the fruit tree such as citrus, grape and eggplant, capsicum, tomato is administered.In addition, spiral shell mite ester has the well double effect of controlling to insects such as pear sucker, oystershell scale and leafhopper classes.Spiral shell mite esterification formal name used at school 3-(2,4-dichlorophenyl)-2-oxo-1-oxaspiro [4,5]-last of the ten Heavenly stems-3-alkene 4-base-2,2-dimethyl butyrate acid esters.Its chemical structural formula is
In the real process of agricultural production, use chemical agent and be the most effectively means of control plant pest, but by the chemical control insect the problem of easy generation be the generation of pest resistance to insecticide.And long-term use single chemical insecticide continuously high dose, cause easily the series of problems such as residual, environmental pollution of medicament.Reasonably chemical insecticide is composite or be mixed and have the expansion insecticidal spectrum, improve control efficiency, prolong the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay pest resistance and the positive characteristics such as drug-fast generation and development, miticide is composite or to be mixed be the most one of the effective method that addresses the above problem.We filter out fluacrypyrim and spiral shell mite ester is composite on the basis of lab screening and field trial, have obvious synergistic effect.And about the composite miticide composition of fourth fluacrypyrim and spiral shell mite ester and use and there is no at present the people and reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective agricultural chemicals miticide composition.The insects such as main control two spotted spider mite, yellow spider, Xiu Pi lice, yellow tea mite, Tetranychus cinnabarinus, Tetranychus urticae, pear sucker, oystershell scale and leafhopper class, the mite evil that is used for the solanaceous crops such as the fruit tree such as citrus, grape and eggplant, capsicum, tomato is administered.
Technical scheme of the present invention realizes by following measures:
A kind of miticide composition that contains fluacrypyrim and spiral shell mite ester, the mass ratio of active ingredient fluacrypyrim and spiral shell mite ester is 1～80: 80～1 in this miticide composition, described miticide composition of the present invention is through the toxicity test experimental verification, the mass ratio of fluacrypyrim and spiral shell mite ester is 1～40: 40～1 o'clock, and synergistic effect is better.
The formulations of pesticide that compound pesticide composition of the present invention can be mixed with are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.Fluacrypyrim and the gross mass of spiral shell mite ester in preparation account for the 1%-80% of the whole quality of the pharmaceutical preparations, when wherein accounting for 5%-60%, and toxicity and the residual preferably balance that reaches, cost is also lower.
The specific embodiments of the formulations of pesticide that miticide composition of the present invention is mixed with is as follows:
Described miticide composition is cream preparation, and the mass fraction of component is:
1～80 part of fluacrypyrim
1～80 part of spiral shell mite ester
10～30 parts of conventional emulsifiers
20～50 parts of conventional solvents
1～5 part of conventional synergist.
The concrete production stage of this cream preparation adds emulsifier, the synergist rear oily liquids that becomes transparent and homogeneous that stirs after dissolving fully in the solvent again for first active ingredient fluacrypyrim and spiral shell mite ester being added, can namely can be made into the cream preparation of the present composition.
Described miticide composition is suspending agent, and the mass fraction of component is:
1～80 part of fluacrypyrim
1～80 part of spiral shell mite ester
5～20 parts of dispersants
1～5 part of antifreezing agent
0.1～2 part of thickener
0.1～0.8 part of defoamer
0～10 part of penetrating agent
0.1～5 part of pH value conditioning agent
Water surplus.
The concrete production stage of this suspending agent is for mixing other auxiliary agents first, mix through high speed shear, add active ingredient fluacrypyrim and spiral shell mite ester, abrading-ball is 2～3 hours in ball crusher, make a diameter all below 5mm, namely can be made into the suspending agent preparation of the present composition.
Described miticide composition is wetting powder, and the mass fraction of component is:
1～80 part of fluacrypyrim
1～50 part of spiral shell mite ester
3～10 parts of dispersants
1～5 part of wetting agent
The filler surplus.
The concrete production stage of this wetting powder is: by above-mentioned prescription the active ingredient fluacrypyrim is mixed with spiral shell mite ester and dispersant, wetting agent and filler, uniform stirring in stirred tank, behind airslide disintegrating mill, mixing, namely can be made into the wetting powder of the present composition.
Described miticide composition is water dispersible granules, and the mass fraction of component is:
1～80 part of fluacrypyrim
1～50 part of spiral shell mite ester
3～10 parts of dispersants
1～10 part of wetting agent
1～5 part of disintegrant
The filler surplus.
The concrete production stage of this water dispersible granules is: by above-mentioned prescription active ingredient fluacrypyrim and cyflumetofen and dispersant, wetting agent, disintegrant and filler are mixed, pulverize with micro jet, through mediating, then add and carry out granulation, drying, screening in the fluidized bed prilling dryer by sample analysis, namely can be made into the water dispersible granules of the present composition.
Described miticide composition is aqueous emulsion, and the mass fraction of component is:
1 ~ 50 part of fluacrypyrim
1 ~ 60 part of spiral shell mite ester
3～30 parts of emulsifier
5～15 parts of solvents
2～15 parts of stabilizing agents
1～5 part of antifreezing agent
0.1～8 part of defoamer
0.2～2 part of thickener
Water surplus
The concrete production stage of this aqueous emulsion is: at first fluacrypyrim and spiral shell mite ester, solvent and emulsifier, cosolvent are added together, make and be dissolved into uniform oil phase; With part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water until reach the phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear approximately half an hour, form the aqueous emulsion of oil-in-water type, namely can be made into the aqueous emulsion of the present composition.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, the alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any or more than one any mixtures than forming in the polyoxyethylene aliphatic alcohol ether.
Described solvent is dimethylbenzene or biodiesel, toluene, and diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in the water equal solvent are arbitrarily than the mixture that forms.
Described dispersant is selected from polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene methyl ether condensate sulfate, the alkylsulfonate calcium salt, the naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in the fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, and Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen is phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in the soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in the sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in the polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, a kind of in the resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in the glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20The saturated fat acid compounds, C
8-10One or more of fatty alcohol.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, one or more in the precipitated calcium carbonate.
Active ingredient fluacrypyrim and spiral shell mite ester are composite in the composition pesticide of the present invention has a notable synergistic effect, can reduce effective ingredient consumption, delays the generation of pest resistance to insecticide, and has reduced to become to produce cost and use cost, can be used for the improvement of resistant insect.The insects such as main control two spotted spider mite, yellow spider, Xiu Pi lice, yellow tea mite, Tetranychus cinnabarinus, Tetranychus urticae, pear sucker, oystershell scale and leafhopper class, the mite evil that is used for the solanaceous crops such as the fruit tree such as citrus, grape and eggplant, capsicum, tomato is administered.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention only limits to absolutely not these examples.The method that the present invention adopts indoor bioassay and field trial to combine.If no special instructions, the ratio of below mentioning (comprising percentage) all is ratio of quality and the number of copies.
Embodiment: the different proportioning co-toxicity experiments from spiral shell mite ester of fluacrypyrim.
1.1 reagent agent
The former medicine of 98% fluacrypyrim, 97% the former medicine of spiral shell mite ester, above-mentioned former medicine provides by research and development department of Qingdao Hailir Pesticides and Chemical Co., Ltd..
1.2 test target
The examination mite is picked up from the Citrus Research Institute Of Chinese Academy Of Agricultural Sciences test site, and the cultivation management term harmonization is not used medicament in the recent period, adopts the blade that rewinds citrus red mite (crm), and is for subsequent use after normal temperature laboratory (about 25 ℃) raised for 2 generations with fresh citrus leaves down.
1.3 single dose assay method slide infusion process
If choose the female mite that Individual Size is consistent, body colour is scarlet, to try the mite back side with writing brush sticks on the slide that posts cloth insertion sheet, every slide dilution intervals, on the basis of prerun, respectively two kinds of former medicines are dissolved in acetone, be diluted to 5 concentration gradient liquids with the 0.1% Tween 80 aqueous solution again, place beaker for subsequent use.5 concentration gradients are respectively 21:33; 24:30; 27:27; 30:24; 33:21.
The glutinous slide that the examination mite arranged is immersed in the good liquid 5 seconds, each processes four repetitions, after taking-up tiltedly is put in porcelain dish edge drying, be put in the Glass carrier box, do not add a cover the illumination box of putting into (25 ± 1) ℃, humidity 7O%～80%, illumination every day 10 hours, microscopy life or death mite number (with its foot of fine, soft fur style of writing, the nonresponder is dead) after 24 hours.
1.4 data statistics and analysis
According to investigation statistics, calculate the corrected mortality that each is processed.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T1 154.7-2006.If contrast lethality＜5% is not proofreaied and correct, the contrast lethality by formula 2 is proofreaied and correct between 5%-20%, the contrast lethality〉20%, test need be reformed.
Take the logarithm value of drug concentration (mg/L) as independent variable x, take the probability value of corrected mortality as dependent variable y, set up respectively the virulence regression equation formula, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50Calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (take fluacrypyrim as the standard medicament, its toxicity index is 100):
The LC of the toxicity index (TI) of spiral shell mite ester=fluacrypyrim
50The LC of/spiral shell mite ester
50* 100
The LC of the true toxicity index (ATI) of M=fluacrypyrim
50The LC of/M
50* 100
The TTI of the ATI/M of the co-toxicity coefficient (CTC) of the TI of the TI of the theoretical toxicity index (TTI) of M=fluacrypyrim * P fluacrypyrim+spiral shell mite ester * P spiral shell mite ester M=M * 100
In the formula:
M is fluacrypyrim and the mixture of the different proportionings of spiral shell mite ester
P spiral shell mite ester is spiral shell mite ester shared ratio in mixture
The P fluacrypyrim is fluacrypyrim shared ratio in mixture.
2.1 toxicity test result
Table 1 fluacrypyrim, spiral shell mite ester are to the indoor measurement result of citrus red mite (crm)
As can be seen from the table, in different proportionings, its co-toxicity coefficient shows certain synergistic effect, wherein fluacrypyrim all greater than 120: spiral shell mite ester is that the synergistic effect of 27:27 is the most obvious, and co-toxicity coefficient is 164.35.Result of the test shows, the Compositional acaricide of fluacrypyrim and spiral shell mite ester all has higher activity to citrus red mite (crm) under indoor conditions, suggestion is carried out further field control effectiveness test to suitable proportion 27:27 left and right sides mixture preparation, to estimate its field practical application effect.
3 field experiments are surveyed panonychus citri, the experimental result of European red mite
3.1 field experiment control panonychus citri
3.1.1 application method
The panonychus citri experimental establishment is carried out at Zhijiang City, Hubei Province precious jade China citrus orchard.Citrus Cultivars is Wenzhou aspermous orange, all plants oranges and tangerines all around.For growing fine before the medication of examination oranges and tangerines.Carry out the complete stool spraying and process, the residential quarter spouting liquid is used by 675 liters/hectare, only sprays medicine one time.Spraying equipment is WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out the routine spraying, makes every effort to evenly thoughtful during the spray medicine.
3.1.2 investigation method
Each residential quarter is at East, West, South, North, the tender tip of middle five positions mark of every strain tree, investigate altogether 25 movable mite quantity on the leaf, hand magnifier is directly observed the blade face, investigation mite mouth radix before medicine, 3d, 7d, 14d investigate respectively the remaining mite number alive in each residential quarter behind the medicine, calculate mite mouth decline rate, compare with the contrast decline rate, calculate relative control effect.
3.1.3 drug effect computational methods
Mite number before decline rate (%)=(mite number after the several dispensers of the front mite of dispenser)/dispenser * 100
Proofread and correct decline rate or preventive effect (%)=(treatment region mite mouth decline rate-check plot mite mouth decline rate)/(1-check plot mite mouth decline rate) * 100.
3.1.4 poisoning investigation method
Whether continuous 14d range estimation medicament has poisoning to crop after the dispenser.
3.2 field control effectiveness test result of the test
Table 2 treatment agent control citrus red mite (crm) field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, each time investigation all shows its control efficiency to panonychus citri and all is better than contrasting medicament behind the medicine, 54% fluacrypyrim+spiral shell mite ester SC (27:27) after dispenser 3 days, 7 days, control efficiency to panonychus citri obviously was better than 3 contrast medicaments in 14 days, according to the observation to field experiment process whole process, in the test dose scope, mandarin tree grows fine, and the poisoning phenomenon does not all appear in each treatment agent, illustrates that it is safe to oranges and tangerines.In process of the test, testing crew finds that it all has fine preventive effect to evil mites such as oranges and tangerines scale insect and rust mites (blister mite).
4.1 field experiment control European red mite
4.1.1 application method
Experimental establishment is planted to distinguish Xianyang, Shanxi province city Liquan apple master and is carried out, and apple grows fine.Carry out the complete stool spraying and process, the residential quarter spouting liquid is used by 675 liters/hectare, only sprays medicine one time.Spraying equipment is WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out the routine spraying, makes every effort to evenly thoughtful during the spray medicine.
4.1.2 investigation method
Carry out the insect density investigation respectively at 3d, 7d, 14d before the dispenser and after the dispenser, 4 directions of the East, West, South, North of setting in each residential quarter are respectively selected 1 branch, 5 blades of every tip mark, altogether the movable mite quantity on 20 blades of 4 tips of investigation records.
4.1.3 drug effect computational methods
Calculate insect population decline rate and control efficiency with following formula.Mite number alive * 100 before insect population decline rate (%)=(the mite number of living behind the mite number-medicine of living before the medicine)/medicine
Preventive effect (%)=(treatment region insect population decline rate-contrast insect population decline rate)/(100-check plot insect population decline rate) * 100.
4.1.4 poisoning investigation method
Behind medicine, observed the apple development situation in 3,7,14 days, the range estimation medicament to apple without poisoning.
4.1.5 field control effectiveness test result
Table 3 is treatment agent control European red mite field test results
As can be seen from Table 3, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, each time investigation all shows its control efficiency to European red mite and all is better than contrasting medicament behind the medicine, 54% fluacrypyrim+spiral shell mite ester SC (27:27) after dispenser 3 days, 7 days, control efficiency to European red mite obviously was better than 3 contrast medicaments in 14 days, according to the observation to field experiment process whole process, in the test dose scope, apple tree grows fine, and the poisoning phenomenon does not all appear in each treatment agent, illustrates that it is safe to apple.
More than twice field experiment result described; the miticide composition that the present invention contains fluacrypyrim and spiral shell mite ester shows good control efficiency to insects such as panonychus citri, European red mites; to the target crop safety; compare with single dose; it is few that Pesticidal combination of the present invention has dosage; the advantage that pest resistance to insecticide produces is grown, delayed to instant effect, lasting period; so; research and development of the present invention and promote raising to the fruit quality in vast fruit tree producing region, the orchard worker get rich and the protection tool of local environment is of great significance.
Claims (4)
1. composition pesticide that contains fluacrypyrim and spiral shell mite ester, it is characterized in that: the active ingredient of this composition pesticide is fluacrypyrim and spiral shell mite ester binary built, and all the other are auxiliary element, wherein the active ingredient fluacrypyrim is 21:33 with mass ratio with spiral shell mite ester; 24:30; 27:27; 30:24; 33:21.
2. miticide composition according to claim 1 is characterized in that: fluacrypyrim with account for 1%～80% of the whole quality of the pharmaceutical preparations with the gross weight of spiral shell mite ester in preparation.
3. miticide composition according to claim 2, it is characterized in that: fluacrypyrim and the gross weight of spiral shell mite ester in preparation account for 5%～60% of the whole quality of the pharmaceutical preparations.
4. according to claim 1 and 2 or 3 described miticide compositions, it is characterized in that: the formulations of pesticide that compound pesticide composition of the present invention can be mixed with are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103493831A (en) * | 2013-09-16 | 2014-01-08 | 陕西农心作物科技有限公司 | Insecticide composition with insecticides of pyriminostrobin and tetronic acid |
| CN105104390A (en) * | 2015-08-19 | 2015-12-02 | 天峨县平昌生态农业有限公司 | Anti-mite composition containing cycloxaprid and spirodiclofen |
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| CN102458130A (en) * | 2009-05-06 | 2012-05-16 | 巴斯夫欧洲公司 | A method for increasing the vigor and/or crop yield of agricultural plants under essentially non-existent pathogen pressure |
| CN103416408A (en) * | 2012-05-18 | 2013-12-04 | 陕西美邦农药有限公司 | Insecticidal combination containing fluacrypyrim |
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| WO2008125362A1 (en) * | 2007-04-17 | 2008-10-23 | Bayer Cropscience Ag | Controlling pests by combining insecticides and transgenic plants by applying directly to leaves and roots |
| CN102458130A (en) * | 2009-05-06 | 2012-05-16 | 巴斯夫欧洲公司 | A method for increasing the vigor and/or crop yield of agricultural plants under essentially non-existent pathogen pressure |
| CN103416408A (en) * | 2012-05-18 | 2013-12-04 | 陕西美邦农药有限公司 | Insecticidal combination containing fluacrypyrim |
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| CN103493831A (en) * | 2013-09-16 | 2014-01-08 | 陕西农心作物科技有限公司 | Insecticide composition with insecticides of pyriminostrobin and tetronic acid |
| CN103493831B (en) * | 2013-09-16 | 2015-12-02 | 陕西农心作物科技有限公司 | A kind of Pesticidal combination containing phonetic mite amine and tetronic acid insecticides |
| CN105104390A (en) * | 2015-08-19 | 2015-12-02 | 天峨县平昌生态农业有限公司 | Anti-mite composition containing cycloxaprid and spirodiclofen |
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