CN104322523B - Ring worm hydrazides and bistrifluron complex insecticidal composition - Google Patents
Ring worm hydrazides and bistrifluron complex insecticidal composition Download PDFInfo
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Abstract
The invention belongs to technical field of agricultural insecticide, particularly a kind of ring worm hydrazides and bistrifluron complex insecticidal composition.Its active ingredient is ring worm hydrazides and bistrifluron; Both weight ratios are 1:5 ~ 7, preferred 1:6.The present invention is made up of the active ingredient of different mechanism of action, and action site increases, and is conducive to overcoming and delay the drug-fast generation of insect pest, and has widened insecticidal spectrum; Drug effect increases substantially, and the preventive effect time is long, and the field rate of active ingredient declines, and reduces production and use cost, reduces residue of pesticide and environmental pollution.
Description
Technical field
The invention belongs to technical field of agricultural insecticide, particularly a kind of ring worm hydrazides and bistrifluron complex insecticidal composition.
Background technology
Ring worm hydrazides belongs to bishydrazide insect growth regulator, IGR, has excellent insecticidal activity to lepidopterous larvae.Suppress insect to be taken food in several hours after insect picked-up, causing casts off a skin simultaneously in advance causes death.Medicament is by regulating the molting process of young hormone and moulting hormone moving obstacle insect.Because it can suppress the feed of insect fast, relative to the 1GR that other are conventional, the harm to crop can be reduced.To noctuid and other caterpillar, no matter in which, ring worm hydrazides has very strong insecticidal activity in period.
Bistrifluron belongs to process for preparation of benzoylurea compounds, is high activity insect growth regulator, IGR, novel structure; the mechanism of action is unique; special efficacy is had to trialeurodes vaporariorum, higher 25 ~ 50 times than the activity of two (trifluoromethyl) Phenylbenzoyl ureas of 2-bromo-3,5-of world patent WO95/3371l announcement.This compound suppresses insect chitin to be formed, affect endepidermis to generate, insect can not be casted off a skin smoothly and dead, effectively can prevent and treat most of lepidoptera pests of the various plants such as vegetables, tealeaves, cotton, antagonism insect is generally effective, and to crop, natural enemy, people and animals and environment high safety.
In the real process of agricultural production, using chemical agent is the most effective means of control plant pest, but is the generation of pest resistance to insecticide by the problem that chemical control insect the most easily produces.And use single chemical insecticide continuously for a long time high dose, composite or the mixture of the rational chemical insecticides of series of problems such as residual, the environmental pollution of medicament is easily caused to have expansion insecticidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce and remain, delay insect evil mite drug resistance and the positive feature such as drug-fast generation and development, the composite or mixture of insecticidal/acaricidal agent is one of the effective method the most solved the problem.Develop new product insecticide price constantly rises, and by contrast, exploitation is efficient with research, low toxicity, low-residual composite and mixture has small investment, the lead time is short and be subject to domestic and international attention, numerous and confused increasing develops dynamics.
Summary of the invention
For solving the problem, the invention provides that a kind of insecticidal spectrum is wide, consumption is few, cost is low, have the complex insecticidal composition of synergistic effect.
Technical scheme of the present invention is: a kind of ring worm hydrazides and bistrifluron complex insecticidal composition, and its active ingredient is ring worm hydrazides and bistrifluron.
The weight ratio of described active ingredient ring worm hydrazides and bistrifluron is 1:5 ~ 7, preferably 1: 6.Above-mentioned active ingredient ring worm hydrazides and bistrifluron can be buied by various commercial channel.
According to the needs used, add the pesticidal preparations auxiliary elements such as pesticide field surfactant, carrier, antifreezing agent, thickener or disintegrant, composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion and missible oil.
Described active ingredient ring worm hydrazides and bistrifluron weight percentage are in the composition: 5% ~ 90%, preferably 12% ~ 70%.
Described pesticidal preparations auxiliary element comprises carrier and auxiliary agent.
Described carrier be one in water, solvent or filler, two kinds or three kinds, the preferred deionized water of water.
Described solvent is selected from the mixture of one or more compositions in DMF, cyclohexanone, toluene, dimethylbenzene, dimethyl sulfoxide (DMSO), methyl alcohol, ethanol, trimethylcyclohexanone, NOP, monoethanolamine, triethanolamine, isopropylamine, 1-METHYLPYRROLIDONE, propyl alcohol, butanols, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, monoethanolamine, isopropylamine, methyl oleate, ethyl acetate or acetonitrile.
Described filler is selected from the mixture of one or more compositions in kaolin, diatomite, bentonite, attapulgite, white carbon, starch or precipitated calcium carbonate.
Described auxiliary agent at least comprises a kind of surfactant, according to different use occasions and demand, also can add other functional aids such as antifreezing agent, thickener, stabilizing agent, disintegrant, defoamer.
Described surfactant be selected from emulsifier, dispersant, wetting agent or bleeding agent one or more.Above-mentioned surfactant is single dose or the complex preparation of common non-ionic surface active agent or anion surfactant.
Other functional aids described to be selected from antifreezing agent, thickener, stabilizing agent, disintegrant or defoamer one or more.
Described emulsifier is selected from OP series phosphate (thermally coupled distillation columns), 600# phosphate (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol-formaldehyde resin polyoxyethyl ether), peaceful newborn 36# (phenethyl fluosite polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), BY series (castor oil polyoxyethylene ether), agriculture breast 33# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate), mixtures of one or more compositions in TWEEN Series (anhydrous sorbitol fat acid ester polyoxyethylene ether) or AEO series (fatty alcohol-polyoxyethylene ether).
Described dispersant is selected from the mixture of one or more compositions in polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, aliphatic acid polyethenoxy ether or fatty acid glyceride APEO.
Described wetting agent is selected from the mixture of one or more compositions in lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement or soapberry powder.
Described bleeding agent is selected from the mixture of one or more compositions in penetrating agent JFC (fatty alcohol-polyoxyethylene ether), penetrant t (Maleic Acid Diisooctyl sulfonate), azone or organosilicon.
Described thickener is selected from the mixture of one or more compositions in gelatin, sodium carboxymethylcellulose, hydroxyethylcellulose, Sodium Polyacrylate, modified starch, xanthans, bentonite, silica or Magnesiumaluminumsilicate.。
Described antifreezing agent is selected from the mixture of one or more compositions in ethylene glycol, propane diols, glycerine or urea.
Described defoamer is selected from the mixture of one or more compositions in silicone oil, silicone compound, C10 ~ C20 saturated fat acid compounds or C8 ~ C10 aliphatic alcohols compound.
Described disintegrant is selected from the mixture of one or more compositions in bentonite, urea, ammonium sulfate, aluminium chloride, low-substituted hydroxypropyl cellulose, lactose, citric acid, succinic acid or sodium bicarbonate.
Described stabilizing agent is selected from epoxidized soybean oil, the mixture of one or more compositions in epoxychloropropane, BHT, ethyl acetate or triphenyl phosphate.
Above-mentioned substance is all buied by various commercial channel.
Ring worm hydrazides of the present invention and bistrifluron complex insecticidal composition, be mainly used in controlling lepidoptera pest on the crops such as vegetables, fruit tree, paddy rice, and antagonism insect is generally effective, and to crop, natural enemy, people and animals and environment high safety.
Beneficial effect of the present invention is:
1, the present invention is made up of the active ingredient of different mechanism of action, action site increases, and is conducive to overcoming and delay the drug-fast generation of insect pest, and has widened insecticidal spectrum, be particularly suitable for for preventing and treating lepidoptera pest on the crops such as vegetables, fruit tree, paddy rice, antagonism insect is generally effective.
2, drug effect of the present invention increases substantially, and the preventive effect time is long, and the field rate of active ingredient declines, and reduces production and use cost, reduces residue of pesticide and environmental pollution.
3, the present invention is compared with use one-component insecticide, and the risk producing poisoning reduces; Good to person poultry safety, Environmental compatibility.
4, the present invention is made up of the active ingredient that two kinds of mechanism of action is different, is conducive to avoiding drug-fast generation and delaying the drug-fast generation speed of germ.
5, the present invention is with low cost, and preparing process is simple, is applicable to large scale application.
Embodiment
The present invention is illustrated below in conjunction with embodiment.
First ring worm hydrazides and the composite rear co-toxicity bioassay test of bistrifluron is adopted to prove that both strengthen composite rear drug effect.
One, test method
For examination target: diamond-back moth
Test medicine: the former medicine of 95% ring worm hydrazides, is produced by Wuxi snowy peak Chemical Co., Ltd.; 95% bistrifluron, is produced by Dong Bao chemical company of Korea S; Ring worm hydrazides with bistrifluron with Different Weight than composite mixture.
Test method: by appropriate ring worm hydrazides with bistrifluron with Different Weight ratio (1:9,1:8,1:7,1:6,1:5,1:4,1:3) be made into composition, then be that each composition dissolves by solvent respectively with acetone, be made into 10000 μ g/ml mother liquors, in 4 DEG C of preservations, stand-by.
On the basis of preliminary experiment, in order to upper method respectively to single dose ring worm hydrazides and lufenuron toxicity test, the two EC50 value is respectively 6.2mg/l and 63.1mg/l.
Adopt blade infusion process: in the liquid prepared, soak 10S respectively by there is no the cabbage leaves of contacted any medicament, taking-up puts into culture dish after drying, each culture dish access is healthy, larva of the same size 10, and every concentration repeats for 3 times, if clear water is contrast.Be placed in temperature 23 ~ 29 DEG C, the incubator of humidity 86% cultivates, be standard survey insect population lethality to try worm stiff after 48h.
Carry out the toxicity test of mixture according to mixed ratio by single dose toxicity test method.
According to the EC of the abundant method of Sun Yun by each process of mensuration
50value is converted into actual mixed toxicity index (ATI); According to the proportioning of mixture, obtain theoretical mixed toxicity index (TTI), by the co-toxicity coefficient (CTC) of following formulae discovery mixture.
Single dose toxicity index=(standard agent EC
50/ reagent agent EC
50) X100
ATI=(standard agent EC
50/ reagent agent (using with) EC
50) X100
The content (%) of toxicity index XB in using with of content (the %)+B of toxicity index XA in using with of TII=A
CTC＝(ATI/TTI)X100
If co-toxicity coefficient large 120, shows there is synergistic effect; If be starkly lower than 100 (less than 80), be indicated as antagonism; Between 100 ~ 120, be indicated as summation action.
Result of the test is as shown in table 1, and in table, A represents ring worm hydrazides, and B represents bistrifluron.
The co-toxicity coefficient of table 1 ring worm hydrazides and the composite mixture of bistrifluron
| Test medicine | The mass ratio of A and B | Actual measurement poison refers to | Theoretical poison refers to | Co-toxicity coefficient | Conclusion |
| A | 1：0 | 100.00 | 100.00 | / | / |
| B | 0:1 | 9.83 | 9.83 | / | / |
| A+B is composite | 1:9 | 21.06 | 18.85 | 111.7 | Be added |
| A+B is composite | 1:8 | 23.70 | 19.85 | 119.4 | Be added |
| A+B is composite | 1:7 | 28.80 | 21.10 | 136.5 | Synergy |
| A+B is composite | 1:6 | 37.19 | 22.72 | 163.7 | Synergy |
| A+B is composite | 1:5 | 34.21 | 24.86 | 137.6 | Synergy |
| A+B is composite | 1:4 | 32.93 | 27.86 | 118.2 | Be added |
| A+B is composite | 1:3 | 33.76 | 32.37 | 104.3 | Be added |
Can be found out by the data of table 1: ring worm hydrazides: during bistrifluron=1:5 ~ 7, co-toxicity coefficient is higher than 120, has synergistic effect, especially when 1:6, apparently higher than 120, have obvious synergistic effect.Prove ring worm hydrazides provided by the invention and the effect of bistrifluron mixture synergism obvious.
Below adopt field efficacy small plot experiment method, prove that ring worm hydrazides and composite the using in land for growing field crops of bistrifluron have synergistic effect to desinsection further, and can use in land for growing field crops.
One, experimental condition
1, subjects and trial crops
Subjects: diamond-back moth
Trial crops: wild cabbage
2, environmental condition
Field trial is carried out being arranged in the outdoor cabbage field in Qingzhou City Dong Xia town, Shandong Province, and this field gesture is smooth, and wild cabbage growing way is basically identical.
Two, experimental scheme
1, medicament
1.1, test medicine
Select the medicament that following examples 2-4 is obtained.
1.2, medicament is contrasted
Comparative example 1 medicament: 5% ring Tebufenozide suspending agent,
Comparative example 2 medicament: 10% bistrifluron missible oil
1.3, blank
If do not use the blank of any medicament
2, community arranges
Community arranges: the community of test medicine, contrast medicament and blank processes and adopts random district group to arrange, and often processes community 15m
2, random district group arranges.With reference to Ministry of Agriculture's field control effectiveness test criterion, look into insect population radix before dispenser, adopt random 5 samplings, get each instar larvae amount of 10 strain fixed point investigation examination worm.
Number of repetition: each process repeats 4 times.
3, control time and number of times
Radix is investigated: before dispenser process
Second time investigation: after dispenser process 3d
Third time investigation: after dispenser process 7d
3.3, drug effect computational methods
Drug effect calculates as follows
4, on the impact of crop
4.1, chemical injury of crops is affected
Compared in chemicals treatment district and blank district, whether after dispenser, continuous 7d estimates medicament has poisoning to crop, evaluates poisoning: plant growth is normal, substantially affects without poisoning.
4.2, other biological is affected
On ambient water, soil, air etc. substantially without impact, Oral toxicity is tested, nontoxic to its mouse oral reality.
5, result
Carry out significance test by DMRT (the new multipole of Deng Kenshi is poor) method, evaluate preventive effect.
In following examples, percentage is all weight percentage, and the treatment dosage of field efficacy is effective ingredient consumption.
Embodiment 1:(18% ring worm hydrazides bistrifluron missible oil) 1:5
Component and content: ring worm hydrazides, 3%; Bistrifluron, 15%; Agriculture breast 500 selected by emulsifier
#with agriculture breast 601
#, consumption is respectively 3% and 6%; Cyclohexanone selected by solvent, and 20%, dimethylbenzene, surplus.
The preparation method of above-described embodiment 1 is: the component provided by embodiment and percentage by weight thereof, active ingredient ring worm hydrazides and bistrifluron insecticide are added in carrier, and add surfactant and other functional aid wherein, be uniformly mixed being uniformly mixed in still.Be uniformly mixed still and can select enamel reaction still, stainless steel stirred tank etc.
Embodiment 2:(40% ring worm hydrazides bistrifluron suspending agent) 1:7
Component and content: ring worm hydrazides, 5%; Bistrifluron, 35%; Emulsifier agriculture breast OP-10,2%; Dispersant polycarboxylate, 7%; Xanthans selected by thickener, and consumption is respectively 0.1%; Antifreeze glycol, 5%; Defoamer silicone compound, 0.5%; Water, surplus.
The preparation method of above-described embodiment 2 is: the component provided by embodiment and percentage by weight thereof, active ingredient ring worm hydrazides and bistrifluron insecticide, surfactant and other functional aid are placed in reactor successively, add water and mix, through high speed shear, wet method sand milling, namely last homogeneous filtration obtains product.Capital equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.
Embodiment 3:(60% ring worm hydrazides bistrifluron wetting powder) 1:5
Component and content: ring worm hydrazides, 10%; Bistrifluron, 50%; Wetting agent lauryl sodium sulfate, 2%; Dispersant calcium lignosulfonate, 8%; Filler white carbon, 8%, filler kaolin, surplus.
The preparation method of above-described embodiment 3 is: the component provided by embodiment and percentage by weight thereof, active ingredient ring worm hydrazides and bistrifluron insecticide are added in carrier, and add surfactant and other functional aid wherein, mixing, after air-flow crushing, mixing obtains wetting powder again.Capital equipment has mixer, airslide disintegrating mill.
Embodiment 4:(80% ring worm hydrazides bistrifluron water dispersible granules) 1:7
Component and content: ring worm hydrazides, 10%; Bistrifluron, 70%; Wetting agent dodecylbenzene sodium sulfonate, 3%; Dispersant alkylnaphthalene sulfonate formaldehyde condensation products, 8%; Filler attapulgite, surplus.
The preparation method of above-described embodiment 4 is: the component provided by embodiment and percentage by weight thereof, active ingredient ring worm hydrazides and bistrifluron insecticide are added in carrier, and add surfactant and other functional aid wherein, mixing, after air-flow crushing, add the water of 10 ~ 25%, then obtain water dispersible granules product through kneading, granulation, drying, screening; Maybe the powder pulverized is sprayed water in boiling granulator, granulation, drying, the afterwards obtained product of screening.Capital equipment has mixer, airslide disintegrating mill, kneader, Squeezinggranulator, drying room or fluid-bed drying, or boiling granulator, screening machine.
Embodiment 5:(15% ring worm hydrazides bistrifluron aqueous emulsion) 1:6.5
Component and content: ring worm hydrazides, 2%; Bistrifluron, 13%; 601PT and agriculture breast BY-125 selected by emulsifier, and consumption is respectively 2% and 5%; Solvent selects cyclohexanone and dimethylbenzene, and consumption is respectively 20% and 15%; Ethylene glycol selected by antifreeze, and 5%; Water, surplus.
The preparation method of embodiment 5 is: the component provided by embodiment and percentage by weight thereof, active ingredient ring worm hydrazides and bistrifluron insecticide are added in carrier, and add surfactant wherein and make it be dissolved into homogeneous oil phase, other functional aid and water are mixed into homogeneous aqueous phase.Under high-speed shearing machine stirs, aqueous phase is joined in oil phase, finely disseminated aqueous emulsion can be formed.
Embodiment 6:(12% ring worm hydrazides bistrifluron microemulsion) 1:5
Component and content: ring worm hydrazides, 2%; Bistrifluron, 10%; Emulsifier selects KT and agriculture breast 601
#, consumption is respectively 7% and 8%; Solvent selects cyclohexane and dimethylbenzene, and consumption is respectively 20% and 10%; Water, surplus.
The preparation method of above-described embodiment 6 is: the component provided by embodiment and percentage by weight thereof, active ingredient ring worm hydrazides and bistrifluron insecticide are added in carrier, and add surfactant wherein, make it be homogeneous oil phase being uniformly mixed in still to stir, then add water and stir transparent state under slowly stirring.Be uniformly mixed still and can select enamel reaction still, stainless steel stirred tank etc.
It is as shown in table 2 that embodiment 2-4 and comparative example 1-2 prevents and treats the diamond-back moth test of pesticide effectiveness.
Table 2 embodiment 2-4 and comparative example 1-2 prevents and treats the field control effectiveness test result of diamond-back moth
As can be seen from table 2 result of the test, comparative example 1: ring worm hydrazides mu active ingredient: 30 × 5%=1.5 gram; Comparative example 2: bistrifluron mu active ingredient: 180 × 10%=18 gram.Embodiment 2: mu active ingredient: 35 × 40%=14 gram.Single dose is according to the theoretical mu medication of embodiment 2 compound proportion: (1.5 × 1+18 × 7)/8=15.94 gram.The preventive effect of the active ingredient mu dosage 14 grams of embodiment 2 is greater than the preventive effect of single dose according to the theoretical mu medication 15.94 of embodiment 2 compound proportion, can judge embodiment 2 synergy.By that analogy, can draw: the control efficiency of embodiment 2-4 is all better than comparative example 1-2, when the mu consumption of composite mixture active ingredient is lower than single dose, preventive effect, still higher than single dose, shows that ring worm hydrazides and bistrifluron compounded pesticides have obvious synergistic effect to insect.In addition, duration of test field observation, embodiment medicament respectively processes liquid on plant growth without impact, to around beneficial organism safety, good with Environmental compatibility.As can be seen here, ring worm hydrazides and bistrifluron composite be a desirable insecticide mixture.
Claims (5)
1. ring worm hydrazides and a bistrifluron complex insecticidal composition, is characterized in that: its active ingredient is ring worm hydrazides and bistrifluron; The weight ratio of described active ingredient ring worm hydrazides and bistrifluron is 1:5 ~ 7.
2. ring worm hydrazides according to claim 1 and bistrifluron complex insecticidal composition, is characterized in that: the weight ratio of described active ingredient ring worm hydrazides and bistrifluron is 1:6.
3. ring worm hydrazides according to claim 1 and bistrifluron complex insecticidal composition, is characterized in that: described active ingredient ring worm hydrazides and bistrifluron weight percentage are in the composition 5% ~ 90%.
4. ring worm hydrazides according to claim 3 and bistrifluron complex insecticidal composition, is characterized in that: described active ingredient ring worm hydrazides and bistrifluron weight percentage are in the composition 12% ~ 70%.
5. the ring worm hydrazides according to any one of Claims 1 to 4 and bistrifluron complex insecticidal composition, is characterized in that, the formulation of described composition is wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion and missible oil.
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| WO2009022548A1 (en) * | 2007-08-10 | 2009-02-19 | Kumiai Chemical Industry Co., Ltd. | Pest control agent composition and pest controlling method |
| CN103190424A (en) * | 2012-01-09 | 2013-07-10 | 深圳诺普信农化股份有限公司 | Insecticidal composition having synergism |
| EP2854535A1 (en) * | 2012-05-30 | 2015-04-08 | Bayer Cropscience AG | Compositions comprising a biological control agent and an insecticide |
| CN102960356A (en) * | 2012-12-12 | 2013-03-13 | 海利尔药业集团股份有限公司 | Parasiticide composite containing bistrifluron and methoxyfenozide |
| CN103210909B (en) * | 2013-03-24 | 2016-04-27 | 广东中迅农科股份有限公司 | Ring worm hydrazides aqueous emulsion and preparation method thereof |
| CN103210908A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Chromafenozide suspending agent and preparation method thereof |
| CN103728401B (en) * | 2014-01-07 | 2015-04-08 | 崔淑华 | Determination method of bistrifluron residual quantity |
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