CN110178851A - A kind of Pesticidal combination of spirotetramat and Diacloden - Google Patents
A kind of Pesticidal combination of spirotetramat and Diacloden Download PDFInfo
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- CN110178851A CN110178851A CN201910480177.9A CN201910480177A CN110178851A CN 110178851 A CN110178851 A CN 110178851A CN 201910480177 A CN201910480177 A CN 201910480177A CN 110178851 A CN110178851 A CN 110178851A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
- A01N47/06—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom containing —O—CO—O— groups; Thio analogues thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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Abstract
The invention discloses the Pesticidal combination of a kind of spirotetramat and Diacloden, the active constituent of the Pesticidal combination is spiral shell worm ethyl ester and Diacloden；Spiral shell worm ethyl ester and the weight ratio of Diacloden are (2:1) ~ (1:3).Present invention discover that spiral shell worm ethyl ester and Diacloden show apparent synergistic function after certain proportion compounding, and it is that the especially pronounced indoor virulence test result of 1:1 effect shows that co-toxicity coefficient reaches 207 in proportion, it is especially significant to mandarin tree scale insect control efficiency.The Pesticidal combination of offer can improve practical control efficiency and reduce Pesticide use amount, reduce pesticide cost, be conducive to the generation for delaying Disease Resistance, pesticide residue is low, efficacy stability, is not likely to produce anti-medicament；The auxiliary agent of the present invention also pair makes further research, and improves drug effect, storage stability and the photodegradation speed for delaying pesticide of pesticide.
Description
Technical field
The invention belongs to technical field of pesticide, the Pesticidal combination of specifically a kind of spirotetramat and Diacloden.
Background technique
Spiral shell worm ethyl ester (spirotetramat) goes out one with Envidor, Spiromesifen and spiral shell worm ethyl ester system in the mechanism of action
Rut is all lipid biosynthesis inhibitors (lipid biosynthesis inhibitor, LBI).Spirocyclic tetronic acid class chemical combination
Object destroys the synthesis of lipid by the activity of acetyl-CoA carboxylase (ACCase) in inhibition pest body fat synthesis process,
The normal energetic supersession of pest is blocked, its death is eventually led to.Spiral shell worm ethyl ester efficiently, holding effect, have to sucking pest
Outstanding preventive effect, and inhibiting effect is provided to some harmful mites.Main anti-(including cotten aphid, brevicoryne brassicae, black peach aphid, the grape root nodule of eliminating aphis
Aphid, currant lettuce aphid etc.), thrips, aleyrodid (such as greenhouse whitefly, Type B Bemisia tabaci, citrus aleyrodid, tea tree Aleurocanthus spiniferus), wood
Lice (such as insect pest of the plant), scale insect, mealybug, icerya purchasi, cicada, tetranychid, broad mite and peronium goitre mite pest and harmful mite；It uses extensively
In cotton, soybean, citrus, grape, potato, wild cabbage, the operatic circle, drupe, banana, tomato, hops, tropical fruit tree, cauliflower,
Brussels sprout, broccoli, cucumber, eggplant, lettuce, mango, watermelon, nut, onion, strawberry, capsicum and cucurbit etc..
Diacloden Thiamethoxam: chemical name: (EZ) -3- (the chloro- 5- benzothiazolylmethyl of 2-) -5- methyl N-nitro -
4H-1,3,5- tetrahydro oxadiazines -4- imines, molecular formula C8H10CIN5O3S are that novel, efficient, the less toxic broad spectrum activity of one kind kills
Worm agent, alternative inhibits insect CNS nicotinic acetylcholine esterase receptor, and then blocks insect central nervous system
The normal conduction of system, it is dead when pest being caused paralysis machine occur.Not only have tag, stomach toxicity, systemic activity, but also have it is higher
Active, better safety, wider array of insecticidal spectrum and work fast, the features such as lasting period is long.To coleoptera, Diptera,
Lepidoptera, especially homoptera pest have high activity, can effectively prevent various aphids, leafhopper, plant hopper, aleyrodid, chafer children
The pests such as worm, colorado potato bug, nematode, ground beetle, leaf miner and knot multiple types chemical pesticide generate the pest of resistance.
In the real process of agricultural production, application chemical agent is prevention and treatment plant pest the most effective means, but
The problem of being most easily produced by chemical prevention pest is the generation of pest resistance to insecticide.And apply list to continuous high dose for a long time
One chemical insecticide, a series of problems, such as be easy to causeing residual, the environmental pollution of medicament.It is reasonable to improve control efficiency, prolong
The long optimum period for applying fertilizer reduces dosage, reduces phytotoxicity, reduce residual, delay the generation of pest resistance and drug resistance and development etc.
Positive feature, pesticide compositional or mixture are one of the most effective methods to solve the above problems.We screen indoors and
It on the basis of field trial, filters out spiral shell worm ethyl ester and Diacloden compounds according to a certain percentage, there is apparent synergistic effect, and
About the prevention and treatment mandarin tree scale insect that is applied to of spiral shell worm ethyl ester and Diacloden, it has not been reported so far.
Make its activity after pesticidal preparations application at present due to being influenced by biological factor and two broad aspect of abiotic factor
Ingredient occurs seriously to degrade in the environment, and wherein photochemical degradating process is the nonbiodegradable principal mode of pesticide, pesticide light
Solution has significant impact to the drug effect performance of pesticide.And the stability of preparation is pesticide standard and the important finger for measuring product quality
Mark and pesticide can give full play to the guarantee of drug effect in use.In view of liquid pesticide preparation effective component by various
Factor influences to decompose and reduce activity, thus prevents effective component from decomposing, keep pesticidal preparations in storing effective component it is steady
It surely is technical field of pesticide research emphasis and difficult point.
The disclosure of background above technology contents is only used for auxiliary and understands inventive concept and technical solution of the invention, not
The prior art for necessarily belonging to present patent application shows above content in the applying date of present patent application in no tangible proof
In the case where having disclosed, above-mentioned background technique should not be taken to the novelty and creativeness of evaluation the application.
Summary of the invention
It is an object of that present invention to provide one kind to have apparent synergistic effect, and control efficiency is good, efficacy stability, efficacy time
The long Pesticidal combination containing spiral shell worm ethyl ester and Diacloden, the prevention and treatment applied to citrus mandarin tree scale insect.The present invention is also to this
The auxiliary agent of product makes further research, and improves drug effect, storage stability and the photodegradation speed for delaying pesticide of pesticide.
In order to achieve the goal above, The technical solution adopted by the invention is as follows:
A kind of Pesticidal combination of spirotetramat and Diacloden, the active constituent of the Pesticidal combination are spiral shell worm ethyl ester and thiophene
Worm piperazine；Spiral shell worm ethyl ester and the weight ratio of Diacloden are (2:1) ~ (1:3).Preferably, the weight of the spiral shell worm ethyl ester and Diacloden
Than for 1:1.
Preferably, the accounting of active constituent is 15-40% in the Pesticidal combination, remaining is load pesticide-acceptable
Body and auxiliary agent.The Pesticidal combination be configured to suspending agent, missible oil, aqueous emulsion, microemulsion, water dispersible granules, wettable powder,
Granule.It is not limited only to dosage form provided by the invention, may also be fabricated which a variety of dosage forms, such as soluble liquid, soluble powder, seed dressing
The acceptable dosage form of the various pesticides such as agent, seed coat agent, dry suspending agent, sustained release agent, ultra low volume liquids.
Preferably, suspending agent is made in the Pesticidal combination, the weight proportion of each component in the suspending agent are as follows: spiral shell worm second
Ester 10-20%, Diacloden 10-20%, ricinoleate ester sodium sulphate 3-5%, polyoxyethylene nonyl phenyl vinethene 1-2%, Sodium Polyacrylate
0.5-1.5%, lauric acid amide of ethanol 1-2%, carboxymethyl cellulose 1-3%, triisopropanolamine 3-5%, phytic acid 0.1-0.5%, resist
Distintegrant 0.5-1.0%, stabilizer 0.5-1.0%, surplus are water.
Preferably, aqueous emulsion is made in the Pesticidal combination, the weight proportion of each component in the aqueous emulsion are as follows: spiral shell worm second
Ester 5-15%, Diacloden 10-15%, carboxymethyl cellulose 4-8%, methyl allyl polyoxyethylene ether 1-3%, castor oil polyoxyethylene
Ether 0.5-1.5%, pentaerythritol stearate 0.5-1.5%, trimethylbenzene 10-15%, cyclohexanone 10-15%, antidecomposition agent 0.5-
1.0%, stabilizer 0.5-1.0%, surplus are water.
The stabilizer includes that weight ratio is that 1:2-4 wood vinegar and neopelex form.
The antidecomposition agent is by 2,4-DihydroxyBenzophenone, 2,3- dihydroxy naphthlene -6- sodium sulfonate and 2- (2H- benzo three
Azoles-2) (1- methyl-1-phenylethyl) phenol of-4,6- bis- composition.The weight percent of each component contains in the antidecomposition agent
Amount are as follows: 2,4-DihydroxyBenzophenone 50-70%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 20-40% and 2- (2H- benzotriazole -
2)-4,6- bis- (1- methyl-1-phenylethyl) 5-15% phenol composition.
The Pesticidal combination of spirotetramat of the present invention and Diacloden, the Pesticidal combination prevention and treatment scale insect,
Application in arrowhead scales, leafhopper, thrips, aphid, trialeurodes vaporariorum, mirid pentatomid, striped flea-beetle, leaf miner and Aleurocanthus spiniferus, especially
In the significant effect of prevention and treatment mandarin tree scale insect.
Compared with prior art, it advantages of the present invention and has the beneficial effect that
1, the Pesticidal combination urea of spiral shell worm ethyl ester provided by the invention and Diacloden is (2:1) ~ (1:3) compounding according to weight ratio
Afterwards, apparent synergistic function is shown, is that the especially pronounced indoor virulence test result of 1:1 effect shows poison system altogether in proportion
Number reaches 239.84, can be used for scale insect, arrowhead scales, leafhopper, thrips, aphid, trialeurodes vaporariorum, mirid pentatomid, striped flea-beetle, leaf miner
It is especially significant to mandarin tree scale insect control efficiency with the prevention and treatment of Aleurocanthus spiniferus.The Pesticidal combination of offer can improve practical anti-
Effect is controlled, Pesticide use amount is reduced, pesticide cost is reduced, is conducive to the generation for delaying Disease Resistance, pesticide residue is low, and drug effect is steady
It is fixed, it is not likely to produce anti-medicament.
2, the present invention is also optimized insecticides adjuvant, can increase the pesticide lasting period, increase drug effect, reduces pesticide to plant
Infiltration in object reduces pesticide residue, improves pesticide efficacy, reduces environmental pollution.
3, the stabilizer that present invention addition is made of wood vinegar and neopelex, makes liquid pesticide formulation products
Active component stable state is kept in storage and transportational process, can guarantee the opposite of pesticide activity component in long term storage
Resolution ratio is below 5%.
4, the present invention by long-term research experiment discovery on the basis of auxiliary agent addition by 2,4-DihydroxyBenzophenone,
2,3- dihydroxy naphthlene-6- sodium sulfonates and 2- (2H- benzotriazole-2)-4,6- bis- (1- methyl-1-phenylethyl) phenol group
At antidecomposition agent, significantly improve the anti-ultraviolet ability of pesticide activity component, reduce the chance light of pesticide activity component and divide
Solution, the speed for having delayed pesticide to decompose in application and half-life period, drug effect is improved, the lasting period of medicament is extended.
Specific embodiment
Invention is further described in detail With reference to embodiment.It is emphasized that following the description is only
It is merely exemplary, the range and its application being not intended to be limiting of the invention.
The indoor toxicity test of spiral shell worm ethyl ester and Diacloden to mandarin tree scale insect:
Spiral shell worm ethyl ester and Diacloden are two kinds of structures insecticides all different from mechanism, in order to measure the two compounding to scale insect
Synergy effect.
Test method are as follows: first use two raw medicine of acetone solution spiral shell worm ethyl ester and Diacloden, will be fitted according to the result of preliminary experiment
The amount raw medicine of amount is made into 5 different ratios, then each processing is diluted to 5 series of concentrations ladders respectively with 1% Tween-80 aqueous solution
Degree is stand-by.Spiral shell worm ethyl ester is diluted to 16,8,4,2,1mg/L；Diacloden is diluted to 160,80,40,20,10mg/L；3 spiral shell worm second
Ester and Diacloden different ratio (the ratio between effective component is respectively 3:1,2:1,1:1) decibel are diluted to 16,8,4,2,1mg/L and 2
A spiral shell worm ethyl ester and Diacloden different ratio (the ratio between effective component is 1:2 and 1:3) be diluted to 32,16,8,4,2mg/L it is stand-by.
Chemicals treatment: referring to dip method in NT/Y1154.6-2006, the fresh citrus leaf with mandarin tree scale insect is adopted
Piece rejects extra scale insect, then it is impregnated to 5S in medical fluid, and after taking-up is dried, being put into and having padded the diameter of filter paper is 9cm's
In culture dish, culture dish adds water moisturizing, and being put into RXZ can only be relatively wet if temperature is 25 DEG C ± 1 DEG C in artificial lighting climate box
Degree is 60%, and illumination L:D is the illumination climater case of 16h:8h.Data statistic analysis: according to survey data, the school of each processing is calculated
The positive death rate.
The death rate (%)=dead total borer population × 100 of borer population/processing
Corrected mortality (%)=(the processing death rate-blank control death rate/(the 1- blank control death rate) × 100
Using the logarithm of drug concentration (mg/L) as independent variable X, using the probit value of corrected mortality as dependent variable Y, establish respectively
Virulence regression equation compares synergy feelings using the abundant co-toxicity coefficient (CTC) for calculating mixture of Sun Yun referring to NY/T1154.7-2006
Condition.
Relative virus force index (TI)=comparison medicament LC50/ treatment agent LC50 × 100
Actual toxicity index (ATC)=comparison medicament LC50/ mixture LC50 × 100
Theoretical toxicity index (TTI)=insecticide A toxicity index × A%+ insecticide B toxicity index × B%
Co-toxicity coefficient (CTC)=(ATC/TTI) × 100
If mixture co-toxicity coefficient CTC >=120, indicate synergistic effect；Such as CTC≤80, then it represents that there is antagonism；Such as 80 <
CTC < 120 indicates that the two is used with as similar synergy.
Table 1: the synergy measurement result of spiral shell worm ethyl ester and Thiamethoxam compound to mandarin tree scale insect
| It matches (A:B) | Virulence regression equation | Coefficient R | LC50(mg/L) | LC90(mg/L) | Co-toxicity coefficient (CTC) |
| 1:0 | Y=3.7947+1.5473X | 0.9989 | 6.01 | 39.92 | / |
| 0:1 | Y=2.3596+1.4812X | 0.8825 | 60.62 | 425.77 | / |
| 3:1 | Y=3.8036+1.6586X | 0.9965 | 5.26 | 30.91 | 113.69 |
| 2:3 | Y=4.0314+1.5217X | 0.9861 | 4.33 | 29.41 | 174.77 |
| 1:1 | Y=4.1921+1.3325X | 0.9921 | 4.03 | 41.92 | 239.84 |
| 1:2 | Y=3.7694+1.4567X | 0.9960 | 6.99 | 52.50 | 192.37 |
| 1:3 | Y=3.6266+1.4196X | 0.9873 | 9.27 | 72.39 | 180.07 |
A is spiral shell worm ethyl ester, and B is Diacloden.
It is learnt from above-mentioned test result, spiral shell worm ethyl ester and co-toxicity coefficient is all larger than when Diacloden 2:1,1:1,1:2 and 1:3
120, synergistic effect is shown as, co-toxicity coefficient highest when wherein spiral shell worm ethyl ester and Diacloden are with 1:1 ratio compounding reaches
239.84 synergistic effects are significant.
1 30% spiral shell worm ethyl ester Diacloden suspending agent of embodiment
Spiral shell worm ethyl ester 15%, Diacloden 15%, ricinoleate ester sodium sulphate 4%, polyoxyethylene nonyl phenyl vinethene 1%, Sodium Polyacrylate
1.5%, lauric acid amide of ethanol 1.5%, carboxymethyl cellulose 2%, triisopropanolamine 4%, phytic acid 0.3%, antidecomposition agent 0.8%,
Stabilizer 0.7%, surplus are water.The stabilizer includes that weight ratio is that 1:3 wood vinegar and neopelex form.Institute
Antidecomposition agent is stated by 2,4-DihydroxyBenzophenone 55w%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 30w% and 2- (2H- benzo three
Azoles-2) (1- methyl-1-phenylethyl) the phenol 15w% of-4,6- bis- composition.
2 30% spiral shell worm ethyl ester Diacloden suspending agent of embodiment
Spiral shell worm ethyl ester 10%, Diacloden 20%, ricinoleate ester sodium sulphate 5%, polyoxyethylene nonyl phenyl vinethene 1.5%, polyacrylic acid
Sodium 1%, lauric acid amide of ethanol 2%, carboxymethyl cellulose 3%, triisopropanolamine 3%, phytic acid 0.5% are antidecomposition agent 0.5%, steady
Determine agent 1.0%, surplus is water.The stabilizer includes that weight ratio is that 1:4 wood vinegar and neopelex form.It is described
Antidecomposition agent is by 2,4-DihydroxyBenzophenone 60w%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 30w% and 2- (2H- benzotriazole -
2)-4,6- bis- (1- methyl-1-phenylethyl) phenol 10w% composition.
3 30% spiral shell worm ethyl ester Diacloden suspending agent of embodiment
Spiral shell worm ethyl ester 12%, Diacloden 18%, ricinoleate ester sodium sulphate 3%, polyoxyethylene nonyl phenyl vinethene 2%, Sodium Polyacrylate
1.5%, lauric acid amide of ethanol 1.5%, carboxymethyl cellulose 2%, triisopropanolamine 5%, phytic acid 0.1%, antidecomposition agent 1.0%,
Stabilizer 0.8%, surplus are water.The stabilizer includes that weight ratio is that 1:3 wood vinegar and neopelex form.Institute
Antidecomposition agent is stated by 2,4-DihydroxyBenzophenone 65w%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 30w% and 2- (2H- benzo three
Azoles-2) (1- methyl-1-phenylethyl) the phenol 5w% of-4,6- bis- composition.
4 28% spiral shell worm ethyl ester Diacloden suspending agent of embodiment
Spiral shell worm ethyl ester 7%, Diacloden 21%, ricinoleate ester sodium sulphate 3%, polyoxyethylene nonyl phenyl vinethene 2%, Sodium Polyacrylate
1.5%, lauric acid amide of ethanol 1.5%, carboxymethyl cellulose 2%, triisopropanolamine 5%, phytic acid 0.1%, antidecomposition agent 0.8%,
Stabilizer 0.5%, surplus are water.The stabilizer includes that weight ratio is that 1:4 wood vinegar and neopelex form.Institute
Antidecomposition agent is stated by 2,4-DihydroxyBenzophenone 60w%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 30w% and 2- (2H- benzo three
Azoles-2) (1- methyl-1-phenylethyl) the phenol 10w% of-4,6- bis- composition.
5 25% spiral shell worm ethyl ester Diacloden suspending agent of embodiment
Spiral shell worm ethyl ester 12.5%, Diacloden 12.5%, ricinoleate ester sodium sulphate 5%, polyoxyethylene nonyl phenyl vinethene 0.5%, poly- third
Olefin(e) acid sodium 1%, lauric acid amide of ethanol 2%, carboxymethyl cellulose 3%, triisopropanolamine 4%, phytic acid 0.3%, antidecomposition agent
0.8%, stabilizer 0.8%, surplus are water.The stabilizer includes that weight ratio is 1:2 wood vinegar and neopelex group
At.The antidecomposition agent is by 2,4-DihydroxyBenzophenone 55w%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 35w% and 2- (2H- benzene
And triazole-2) (1- methyl-1-phenylethyl) the phenol 10w% of-4,6- bis- composition.
Comparative example 1
Spiral shell worm ethyl ester 15%, Diacloden 15%, ricinoleate ester sodium sulphate 4%, polyoxyethylene nonyl phenyl vinethene 1%, Sodium Polyacrylate
1.5%, lauric acid amide of ethanol 1.5%, carboxymethyl cellulose 2%, triisopropanolamine 4%, phytic acid 0.3%, surplus are water.It is described
Antidecomposition agent is by 2,4-DihydroxyBenzophenone 60w%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 30w% and 2- (2H- benzotriazole -
2)-4,6- bis- (1- methyl-1-phenylethyl) phenol 10w% composition.
Comparative example 2
Spiral shell worm ethyl ester 15%, Diacloden 15%, ricinoleate ester sodium sulphate 4%, polyoxyethylene nonyl phenyl vinethene 1%, Sodium Polyacrylate
1.5%, lauric acid amide of ethanol 1.5%, carboxymethyl cellulose 2%, triisopropanolamine 4%, phytic acid 0.3%, stabilizer 1.0% are remaining
Amount is water.The stabilizer includes that weight ratio is that 1:4 wood vinegar and neopelex form.
Comparative example 3
Spiral shell worm ethyl ester 15%, Diacloden 15%, ricinoleate ester sodium sulphate 4%, polyoxyethylene nonyl phenyl vinethene 1%, Sodium Polyacrylate
1.5%, lauric acid amide of ethanol 1.5%, carboxymethyl cellulose 2%, triisopropanolamine 4%, phytic acid 0.3%, surplus are water.
Comparative example 4
Spiral shell worm ethyl ester 15%, Diacloden 15%, sodium lignin sulfonate 4%, xanthan gum 0.5%, fatty alcohol polyoxyethylene ether 1%, poly- two
Methylsiloxane 0.5%, ethylene glycol 5%, sodium benzoate 0.3%, surplus are water.
Ultraviolet light decomposition run
Spiral shell worm ethyl ester Diacloden suspending agent made from embodiment 1-4 and comparative example 1,2 is placed in culture dish, is covered transparent
Then plastic film is respectively placed under ultraviolet lamp (38W, wavelength 254nm) and irradiates.In 1h, 12h, for 24 hours, 48h, 72h, respectively
Sampling passes through the content of high pressure liquid chromatographic analysis spiral shell worm ethyl ester effective component, and calculates point of different time nodes spiral shell worm ethyl ester
Solution rate, test result are as shown in table 3.The calculation formula of resolution ratio are as follows: resolution ratio %=(spiral shell worm ethyl ester stores preceding content-ultraviolet irradiation
Spiral shell worm ethyl ester content afterwards) preceding content × 100% of/spiral shell worm ethyl ester storage.
Table 2: spiral shell worm ethyl ester Diacloden suspending agent ultraviolet light decomposition run result of the present invention
It is learnt from above-mentioned test result, the antidecomposition of 0.5-1.0% is added in spiral shell worm ethyl ester Diacloden suspending agent provided by the invention
After agent, uvioresistant performance is significantly improved, and is not added the microemulsion of the antidecomposition agent resolution ratio after 48h and is reached 90%, and it is existing often
The auxiliary agent of rule resolution ratio under 12h ultraviolet irradiation reaches 70%, and drug effect is substantially reduced.
The stability test of pesticide
By spiral shell worm ethyl ester Diacloden suspending agent made from embodiment 1-5 and comparative example 1-4, storage at normal temperature and measurement are carried out immediately
Sample active constituent content before storing, according to: it refers to " GB/T 19136-2003 pesticide heat storage stability measuring method ", " NY/T
1427-2016 pesticide storage at normal temperature stability test general rule ": in (54 ± 2) DEG C storage 14 days, complete in for 24 hours to effectively at
The detection for dividing content, using the content of measurement before storing as control calculating relative rate of resolution, heat storage resolution ratio≤5% is qualification, hot
After storage detection is qualified, to the sample for placing room temperature observation 2 years, the time is respectively 3 months, 6 months, 12 months, 18 months
With 24 months sampling analysis effective component resolution ratio situations, determine whether ageing stability is qualified.And for heat storage point in 14 days
Solution rate is underproof, and room temperature sample is no longer tested, and measurement result is as shown in table 3.
Resolution ratio calculation formula: resolution ratio %=(the preceding content of storage-content after heat storage or room temperature storage)/store preceding content × 100%
(this test is using the content of spiral shell worm ethyl ester effective component as calculating)
Table 3: the stability test result of efficient spiral shell worm ethyl ester Diacloden suspending agent
After above-mentioned test result shows that stabilizer is added in the present invention, the spiral shell worm ethyl ester Diacloden suspending agent in preparation can be made to protect
It is fixed to keep steady, and 2 years its resolution ratios of storage at normal temperature are respectively less than 3.0%, and the anti-light stabilizer that secondly present invention is added also has certain steady
Determine effect, inventive formulation does not add stabilizer and anti-light stabilizer due to the coordinative role of each component auxiliary agent but also pesticide is protected
5% effect can be maintained by depositing 1 year storage resolution ratio, hence it is evident that be better than existing common auxiliary agent.
6 25% spiral shell worm ethyl ester Diacloden aqueous emulsion of embodiment
Spiral shell worm ethyl ester 12.5%, Diacloden 12.5%, carboxymethyl cellulose 6%, methyl allyl polyoxyethylene ether 2%, castor oil are poly-
Ethylene oxide ether 0.5%, pentaerythritol stearate 1.5%, trimethylbenzene 12%, cyclohexanone 10%, antidecomposition agent 0.8%, stabilizer
0.7%, surplus is water.The stabilizer includes that weight ratio is that 1:3 wood vinegar and neopelex form.Described anti-point
Agent is solved by 2,4-DihydroxyBenzophenone 55w%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 30w% and 2- (2H- benzotriazole -2) -4,
(1- methyl-1-phenylethyl) the phenol 15w% of 6- bis- composition.
7 20% spiral shell worm ethyl ester Diacloden aqueous emulsion of embodiment
Spiral shell worm ethyl ester 5%, Diacloden 15%, carboxymethyl cellulose 5%, methyl allyl polyoxyethylene ether 3%, castor oil polyoxyethylene
Ether 1%, pentaerythritol stearate 1.2%, trimethylbenzene 10%, cyclohexanone 12%, antidecomposition agent 0.8%, stabilizer 0.8%, surplus are
Water.The stabilizer includes that weight ratio is that 1:2 wood vinegar and neopelex form.The antidecomposition agent is by 2,4- bis-
Dihydroxy benaophenonel 55w%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 35w% and 2- (2H- benzotriazole -2) (1- first of -4,6- bis-
Base -1- phenylethyl) phenol 10w% composition.
Field trial is situated between using the Pesticidal combination of spiral shell worm ethyl ester made from above-described embodiment and Diacloden for mandarin tree
The prevention and treatment of shell worm selects mandarin tree scale insect to be in Sheng hair peak period and is tested.This test with clear water blank control, single dose and
The control of 25% buprofezin suspension agent.Control efficiency is counted respectively within the 7th, 14 day after medicine, to citrus leaf front and back sides, tip even spraying,
Until blade face is dripped for degree.
Table 4: the field test effect of spiral shell worm ethyl ester thiamethoxam disinsection agent
| Chemicals treatment | Effective ingredient consumption | 7d control efficiency (%) after medicine | 14d control efficiency (%) after medicine |
| Embodiment 1 | 60mg/kg | 98.42 | 96.37 |
| Embodiment 2 | 60mg/kg | 96.31 | 93.42 |
| Embodiment 3 | 60mg/kg | 95.18 | 91.63 |
| Embodiment 4 | 60mg/kg | 96.07 | 94.13 |
| Embodiment 5 | 60mg/kg | 92.16 | 89.36 |
| Comparative example 1 | 60mg/kg | 97.92 | 95.74 |
| Comparative example 2 | 60mg/kg | 97.24 | 94.31 |
| Comparative example 3 | 60mg/kg | 96.58 | 92.31 |
| Comparative example 4 | 60mg/kg | 94.67 | 84.58 |
| Embodiment 6 | 80mg/kg | 90.15 | 83.16 |
| Embodiment 7 | 80mg/kg | 84.23 | 81.49 |
| 25% buprofezin suspension agent | 100mg/kg | 79.37 | 65.21 |
| 22.4% spiral shell worm ethyl ester suspending agent | 80mg/kg | 72.36 | 61.22 |
| 25% Diacloden suspending agent | 100mg/kg | 69.31 | 59.61 |
| CK (clear water control) | / | / | / |
As can be drawn from Table 4, field control effectiveness test shows the insecticide of spiral shell worm ethyl ester Diacloden mixture to mandarin tree scale insect
Preventive effect is superior to each single dose exclusive use and common buprofezin suspension agent；The auxiliary agent control efficiency that this programme uses simultaneously is also excellent
In existing auxiliary agent.
The above content is combine it is specific/further detailed description of the invention for preferred embodiment, cannot
Assert that specific implementation of the invention is only limited to these instructions.General technical staff of the technical field of the invention is come
It says, without departing from the inventive concept of the premise, some replacements or modifications can also be made to the embodiment that these have been described,
And these substitutions or variant are regarded as belonging to the scope of protection of the present invention.
Claims (8)
1. the Pesticidal combination of a kind of spirotetramat and Diacloden, it is characterised in that: the active constituent of the Pesticidal combination
For spiral shell worm ethyl ester and Diacloden；Spiral shell worm ethyl ester and the weight ratio of Diacloden are (2:1) ~ (1:3).
2. the Pesticidal combination of spirotetramat and Diacloden according to claim 1, it is characterised in that: the Insecticidal combinations
The accounting of active constituent is 15-40% in object, remaining is carrier pesticide-acceptable and auxiliary agent;The Pesticidal combination is prepared
At suspending agent, missible oil, aqueous emulsion, microemulsion, water dispersible granules, wettable powder, granule.
3. the Pesticidal combination of spirotetramat and Diacloden according to claim 2, it is characterised in that: the Insecticidal combinations
Suspending agent is made in object, the weight proportion of each component in the suspending agent are as follows: spiral shell worm ethyl ester 10-20%, Diacloden 10-20%, castor-oil plant
Oleate sodium sulphate 3-5%, polyoxyethylene nonyl phenyl vinethene 1-2%, Sodium Polyacrylate 0.5-1.5%, lauric acid amide of ethanol 1-
2%, carboxymethyl cellulose 1-3%, triisopropanolamine 3-5%, phytic acid 0.1-0.5%, antidecomposition agent 0.5-1.0%, stabilizer 0.5-
1.0%, surplus is water.
4. the Pesticidal combination of spirotetramat and Diacloden according to claim 2, it is characterised in that: the Insecticidal combinations
Aqueous emulsion is made in object, the weight proportion of each component in the aqueous emulsion are as follows: spiral shell worm ethyl ester 5-15%, Diacloden 10-15%, carboxymethyl
Cellulose 4-8%, methyl allyl polyoxyethylene ether 1-3%, castor oil polyoxyethylene ether 0.5-1.5%, pentaerythritol stearate
0.5-1.5%, trimethylbenzene 10-15%, cyclohexanone 10-15%, antidecomposition agent 0.5-1.0%, stabilizer 0.5-1.0%, surplus is water.
5. according to the Pesticidal combination of claim 3 or 4 spirotetramat and Diacloden, it is characterised in that: the stabilization
Agent includes that weight ratio is that 1:2-4 wood vinegar and neopelex form.
6. according to the Pesticidal combination of claim 3 or 4 spirotetramat and Diacloden, it is characterised in that: described anti-point
Agent is solved by bis- (1- of 2,4-DihydroxyBenzophenone, 2,3- dihydroxy naphthlene -6- sodium sulfonate and 2- (2H- benzotriazole -2) -4,6-
Methyl-1-phenylethyl) phenol composition.
7. the Pesticidal combination of spirotetramat and Diacloden according to claim 6, it is characterised in that: the antidecomposition agent
The weight percentage of middle each component are as follows: 2,4-DihydroxyBenzophenone 50-70%, 2,3- dihydroxy naphthlene -6- sodium sulfonate 20-40%
It is formed with 2- (2H- benzotriazole-2)-4,6- bis- (1- methyl-1-phenylethyl) 5-15% phenol.
8. the Pesticidal combination of spirotetramat and Diacloden according to claim 2, it is characterised in that: the Insecticidal combinations
Application of the object in prevention and treatment mandarin tree scale insect.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113841705A (en) * | 2021-10-29 | 2021-12-28 | 中国热带农业科学院环境与植物保护研究所 | Agricultural synergist and pesticide mixed mixture and application thereof |
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