CN104488921A - Nematicidal composition containing fluensulfone and abamectin - Google Patents
Nematicidal composition containing fluensulfone and abamectin Download PDFInfo
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- CN104488921A CN104488921A CN201410838499.3A CN201410838499A CN104488921A CN 104488921 A CN104488921 A CN 104488921A CN 201410838499 A CN201410838499 A CN 201410838499A CN 104488921 A CN104488921 A CN 104488921A
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- avermectin
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Abstract
The invention relates to a nematicidal composition containing fluensulfone and abamectin. The effective components are the fluensulfone and the abamectin with the mass ratio being (1-25):(25-1) in a binary combination manner; in a preparation, the mass-part ratio of the fluensulfone and the abamectin is 1%-80%, and the balance is auxiliary components allowable and acceptable to use in pesticides. The nematicidal composition comprises the following preparation forms such as missible oil, a suspending agent, a wettable powder agent, a water agent, a water dispersible granule agent, a water emulsion agent, a microemulsion agent, a granule agent and a microcapsule agent and is mainly used for preventing and treating insect pests of nematode and the like of solanaceae vegetables, cucurbitaceous vegetables, lettuces and other leafy vegetables.
Description
Technical field
The present invention relates to technical field of pesticide combination, particularly relate to a kind of nematicidal composition containing fluorine thiophene worm sulfone and Avermectin.
Background technology
Fluorine thiophene worm sulfone (Fluensulfone, No. CAS: 318290-98-1, chemical name: the fluoro-3-butene-1-Ji sulfone of the chloro-1,3-thiazoles of 5--2-base-3,4,4-tri-) is the fluoroolefins nematocide developed by Makhteshim Chemical Works company.By multiple physiological action, act on polypide, control polypide active, paralysis nematode movement, expose after 1 hour and stop feed, control nematode to occur on a large scale, hinder and reduce egg hatch, larva cannot survive, and reduces egg counts, directly nematode is killed by contacting, and the activity of nonvolatile control line worm.Main to solanaceous vegetable, cucurbitaceae vegetable, the nematode of romaine lettuce and other leaf vegetables has good killing action, to crop safety.
Avermectin (Abamectin, be the class by Japanese North university large village intelligence etc. and U.S. Merck company first developed have desinsection, kill mite, ten hexa-atomic Macrocyclic lactone compounds of eelworm-killing activity, by streptomycete Avid kyowamycin Streptomyces avermitilis fermented produce No. CAS: 71751-41-2).Avermectin has stomach toxicity and action of contace poison to mite class and insect, and mechanism of action and general insecticide, unlike disturbing neurophysiology movable, stimulate release γ-aminobutyric acid, and aminobutyric acid have inhibitory action to arthropodan nerve conduction.Abamectin pest killing spectrum is wide, be used for control polypide little, from generation to generation many, easily the drug-fast insect of appearance is as pear sucker, cotten aphid etc., the insect of leaf mining is as Americal rice leaf miner etc., and evil mite is if Tetranychus urticae, tea orange tetranychid, tetranychus viennensis and host is wide, feeding habits are assorted insect are as diamond-back moth etc.
Nematode belongs to Nemathelminthes Nematoda, and the bodily form is small, can observe under the microscope.To the nematode about 3000 kinds of plant pest, mostly live in soil, what also have colonizes in plant corpus.Nematode by soil or seed dispersal, can destroy the root system of plant, or the organ of upper part intrusively, affects growing of crops, also indirectly propagates the disease caused by other microorganisms, cause very large economic loss.Use chemical control nematode to be the effective ways that modern agriculture generally adopts, be generally used for soil treatment or seed treatment, nematocide has volatility and non-volatile two classes, and the former plays fumigation action, and the latter plays action of contace poison.Generally should have good lipophilicity and environmental stability, can with liquid or gaseous state diffusion in soil, toxic action from nematode epidermal penetrates.Most nematocide has comparatively high toxicity to people and animals, and some kind has poisoning to crop.
Composite or the mixture of rational chemical insecticide has expansion insecticidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, minimizing remains, delay pest resistance and the actively feature such as drug-fast generation and development, pesticide compositional or mixture are one of the effective methods the most solved the problem.We on the basis of lab screening and field trial, filter out fluorine thiophene worm sulfone and Avermectin is carried out composite, have obvious synergistic effect, and about fluorine thiophene worm sulfone and Avermectin composite nematicidal composition and apply and there is no people at present 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 nematicidal composition.Be mainly used in preventing and treating solanaceous vegetable, cucurbitaceae vegetable, the insect pests such as the nematode of romaine lettuce and other leaf vegetables.
Technical scheme of the present invention is realized by following measures:
Contain a nematicidal composition for fluorine thiophene worm sulfone and Avermectin, active ingredient fluorine thiophene worm sulfone and the Avermectin two yuan of this nematicidal composition are composite, and all the other are auxiliary element.In wherein said nematicidal composition, the mass ratio of active ingredient fluorine thiophene worm sulfone and Avermectin is 1 ~ 25: 25 ~ 1, described nematicidal composition of the present invention is through toxicity test experimental verification, when the mass ratio of fluorine thiophene worm sulfone and Avermectin is 1 ~ 10: 10 ~ 1, synergistic effect is better.
The formulations of pesticide that described nematicidal composition of the present invention can be prepared are missible oil, suspending agent, wetting powder, aqua, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.Wherein active ingredient fluorine thiophene worm sulfone and Avermectin gross mass in the formulation account for 1% ~ 80% of the whole quality of the pharmaceutical preparations, and when wherein accounting for 10% ~ 60%, toxicity reaches good balance with residual, and cost is also lower.
The specific embodiments of the formulations of pesticide that nematicidal composition of the present invention is mixed with is as follows:
Described nematicidal composition is cream preparation, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; Conventional emulsifier 10 ~ 30 parts; Conventional solvents 20 ~ 50 parts; Conventional synergist 1 ~ 5 part.The concrete production stage of this cream preparation be first active ingredient fluorine thiophene worm sulfone and Avermectin are added dissolve completely in solvent after add emulsifier again, synergist becomes transparent and homogeneous oily liquids after stirring, filling, namely can be made into the cream preparation of the present composition.
Described nematicidal composition is suspending agent, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; Dispersant 5 ~ 20 parts; Antifreezing agent 1 ~ 5 part; Thickener 0.1 ~ 2 part; Defoamer 0.1 ~ 0.8 part; Penetrating agent 0 ~ 10 part; PH value regulator 0.1 ~ 5 part; Water, surplus.The concrete production stage of this suspending agent is for first to mix other auxiliary agents, mix through high speed shear, add active ingredient fluorine thiophene worm sulfone and Avermectin, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, namely can be made into the aqueous suspension formulations of the present composition.
Described nematicidal composition is wetting powder, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; Dispersant 3 ~ 10 parts; Wetting agent 1 ~ 5 part; Filler, surplus.The concrete production stage of this wetting powder is: mixed with Avermectin and dispersant, wetting agent and filler by active ingredient fluorine thiophene worm sulfone by above-mentioned formula, uniform stirring in stirred tank, mixing after airslide disintegrating mill, namely can be made into the wetting powder of the present composition.
Described nematicidal composition is water dispersible granules, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; Dispersant 3 ~ 10 parts; Wetting agent 1 ~ 10 part; Disintegrant 1 ~ 5 part; Filler, surplus.The concrete production stage of this water dispersible granules is: mixed with Avermectin and dispersant, wetting agent, disintegrant and filler by active ingredient fluorine thiophene worm sulfone by above-mentioned formula, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and to carry out after granulation, drying, screening, through sample analysis, namely can be made into the water dispersible granules of the present composition.
Described nematicidal composition is aqueous emulsion, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; Emulsifier 3 ~ 30 parts; Solvent 5 ~ 15 parts; Stabilizing agent 2 ~ 15 parts; Antifreezing agent 1 ~ 5 part; Defoamer 0.1 ~ 8 part; Thickener 0.2 ~ 2 part; Water, surplus.The concrete production stage of this aqueous emulsion is: first fluorine thiophene worm sulfone and Avermectin, solvent and emulsifier, cosolvent are added together, and makes to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type, namely can be made into the aqueous emulsion of the present composition.
Described nematicidal composition is microemulsion, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; Emulsifier 10 ~ 30 parts, antifreezing agent 1 ~ 8 part, stabilizing agent 0.5 ~ 10 part, Conventional solvents cosolvent 20 ~ 50 parts.Fluorine thiophene worm sulfone and Avermectin cosolvent are dissolved completely, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, Homogeneous phase mixing, finally adds water, can be made into microemulsion after fully stirring.
Described nematicidal composition is granule, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; Wetting dispersing agent 1 ~ 10 part; Thickener 0.1 ~ 5 part; Defoamer 0.1 ~ 5 part; Castor oil, surplus is supplied.Each components such as active ingredient fluorine thiophene worm sulfone and Avermectin, dispersant, stabilizing agent, defoamer and solvent are mixed in the ratio of filling a prescription, after putting into the grinding of sand milling still, sends into mixing in mixer for well-distribution and get product.
Described nematicidal composition is aqua, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; Wetting dispersing agent 0.1 ~ 30 part; Antifreezing agent 2 ~ 8 parts; Defoamer 0.1 ~ 1 part; Thickener 0.1 ~ 3 part; Spreader-sticker 5 ~ 15 parts; Water, surplus is supplied.By active ingredient fluorine thiophene worm sulfone and Avermectin, dissolve completely with cosolvent, then add other compositions such as dispersant, antifreezing agent, defoamer, Homogeneous phase mixing, finally adds water, after fully stirring, finished product.
Described nematicidal composition is microcapsule formulations, and the mass fraction of component is: fluorine thiophene worm sulfone 1 ~ 25 part; Avermectin 1 ~ 25 part; 5 ~ 20 parts, urea; 5 ~ 20 parts, formaldehyde; Emulsifying dispersant 5 ~ 20 parts; Antifreezing agent 1 ~ 5 part; Thickener 0.1 ~ 2 part; Defoamer 0.1 ~ 0.8 part; Water, surplus.Urea and formaldehyde (amount of substance ratio is about l:1.5 ~ 2.0) is added in the there-necked flask that agitating device is housed, regulate the pH value of solution to about 8 ~ 9 with sodium hydroxide solution, then be warming up to 70 ~ 80 DEG C, be obtained by reacting stable urea resin prepolymer.Get a certain amount of fluorine thiophene worm sulfone and Avermectin is dissolved in cyclohexane, and add emulsifying dispersant in the solution, with vigorous stirring, the O/W type stable emulsion that to be made into the aqueous solution containing emulsifying dispersant be aqueous phase.Above-mentioned urea resin prepolymer is added in emulsion, adjust ph, polymerization reaction take place under acid catalysed conditions, oil phase substance is wrapped, form microcapsule granule.Slow intensification, solidification, temperature controls at 40 ~ 50 DEG C, hardening time 1h.Select to add appropriate auxiliary agent, stable microcapsules.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any one in polyoxyethylene aliphatic alcohol ether or more than one any mixtures than composition.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine-based vegetable oil code name is ND-45, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in water equal solvent are arbitrarily than the mixture of composition.
It is LG-3, GY-D1252, GY-D1256, SNWGF-01 that described dispersant is selected from polycarboxylate code name, lignosulfonates code name is 201107,201108, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, the one in resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated 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 precipitated calcium carbonate.
The compounded pesticides that the present invention is active ingredient with fluorine thiophene worm sulfone and Avermectin has obvious synergistic effect, delay the drug-fast generation in key, and reduce into product cost and use cost, be mainly used in preventing and treating solanaceous vegetable, cucurbitaceae vegetable, the insect pests such as the nematode of romaine lettuce and other leaf vegetables.
Embodiment
For making technical scheme of the present invention, object and advantage are clearly understood, the following specific embodiment of the present invention is described, but the present invention is not limited to these examples.The mode that effect experimental of the present invention adopts indoor biometrics and field trial to combine, if no special instructions, the ratio below mentioned is all ratio of quality and the number of copies.
Embodiment: fluorine thiophene worm sulfone and Avermectin different ratio co-toxicity are tested.
1.1 reagent agent
The former medicine of 95% Avermectin, the former medicine of 95% fluorine thiophene worm sulfone, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 examination worms
Cucumber root-knot nematode (Anomala corpulenata M.) is picked up from Qingdao Jimo and moves Feng Dian base cucumber booth, takes from morbidity cucumber plant.By root knot wash clean, be cut into 1cm segment, add in tissue mashing machine the water adding 3 times amount and smash 30S to pieces, proceed to 200 orders (aperture 75um) and 500 orders (aperture 26um) combination standard sieve, with plant tissue in tap water sieve, collect the line eggs in 500 mesh standard sieves.
1 metafiltration paper is spread in 200 mesh standard sieves, root-knot nematode egg is placed on the filter paper in standard screen, it being put in fills in the basin of clear water, water is made just to soak filter paper, be placed in 28 DEG C of constant incubators and make larvae hatch, 2 instar larvaes in interval 24 hr collections No. 1 basin, after collecting, larva can keep 48 hours in 4 DEG C of cold storage refrigerators.
3, assay method
On November 5th, 2012 measures according to NY/T 1154.11-2008 farm-chemical indoor determination criterion calls.On the basis of prerun determination drug concentration scope, Avermectin and fluorine thiophene worm sulfone clear water are diluted to 5 serial concentration, contrast with the aqueous solution (Tween 80+acetone (5+95) dilutes 1000 times) containing tween and acetone.The 2 instar larvae clear water collected are made into suspension (200/ml), get 1ml liquid and 1ml nematode suspension with pipettor to be put in 2ml and to count in ware, repeat 4 times, be placed in 28 DEG C of constant incubators with thin glass bar mixing, after 48 hours, check dead, hot line borer population.Inspection method: by counting ware in liquid filter paper take out only retain nematode, add 2% sodium chloride solution 1ml and keep 2 minutes, body rigidity be dead worm, live worm curling or twist.Calculate lethality and corrected mortality.The data obtained obtains virulence regression equation and LC through Finny Probability Analysis method DPS statistical software
50, and by the method that the abundant method of Sun Yun calculates co-toxicity obtain with mixtures' ratio co-toxicity coefficient CTC.
Table 1 Avermectin and fluorine thiophene worm sulfone are to the toxicity test of cucumber root-knot nematode
As can be seen from the table, the result of the test of different proportion proportioning shows, dilute respectively in active ingredient ratio and all show stronger synergistic effect, wherein with fluorine thiophene worm sulfone and Avermectin for the good suggestion of synergistic effect when 1:10 ~ 10:1 carries out further field control effectiveness test to suitable proportion about 1:10 ~ 10:1 mixture preparation, to evaluate its field practical application effect.
field experiment control tomato root-knot eelworm
3.1. test method
Test and carry out in Shandong Agricultural University's farm booth, experimental field middle fertility, root-knot nematode seriously occurs throughout the year, and pressure method reagent thin up is evenly sprayed on soil table.
3.2 investigation method
The group arrangement of random district is established in test, in triplicate, and every community field planting 24 strain, the root system situation of the whole plant in each community of each investigation.Calculate disease index and preventive effect.
Disease severity grade scale:
0 grade: root system is complete, without root knot;
1 grade: have a small amount of root knot, root knot number accounts for less than 25% of root system number;
2 grades: root knot number accounts for the 25%-50% of root system number;
3 grades: root knot number accounts for the 50%-75% of root system number;
4 grades: root knot is especially big and more, root knot number accounts for the 75%-100% of root system number,
Root knot coefficient preventive effect calculates:
Root knot index=∑ (the sick number of sheets × relative level numerical value at different levels)/(investigating total strain number × 4) × 100
Control efficiency (%)=(after root knot index after 1-treatment region medicine/blank district medicine root knot index) × 100.
3.3 data analysis
Table 2 treatment agent control tomato root-knot eelworm field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, carries out field experiment by different consumptions, and after medicine, it is all better than contrasting medicament to tomato root-knot eelworm control efficiency, and control efficiency increases progressively along with the increase of consumption.According to field range estimation, within the scope of test dose, plant growth is normal, and the poisoning phenomenon to tomato does not all appear in each treatment agent, illustrates that it is safe to tomato, advises that the insecticide different from the mechanism of action is used in combination with the generation delaying pest resistance to insecticide.
To sum up described in twice field experiment result, the present invention contains the nematicidal composition of fluorine thiophene worm sulfone and Avermectin, to cucumber root-knot nematode, the insects such as tomato root-knot eelworm show good control efficiency, to Target crops safety, compared with single dose, nematicidal composition of the present invention has mechanism of action uniqueness, consumption is few, quick-acting is good, the advantage that lasting period is long, so, great social effect is had in research and development of the present invention and popularization, very large economic worth can be produced, the increasing both production and income of wide farmers and the protection tool of local environment are of great significance.
Claims (4)
1. one kind contains the nematicidal composition of fluorine thiophene worm sulfone and Avermectin, it is characterized in that: the active ingredient of this nematicidal composition is fluorine thiophene worm sulfone and Avermectin binary built, all the other are auxiliary element, and wherein the mass ratio of active ingredient fluorine thiophene worm sulfone and Avermectin is 1 ~ 25: 25 ~ 1.
2. nematicidal composition according to claim 1, is characterized in that: fluorine thiophene worm sulfone and Avermectin gross weight in the formulation account for 1% ~ 80% of the whole quality of the pharmaceutical preparations.
3. nematicidal composition according to claim 2, is characterized in that: fluorine thiophene worm sulfone and Avermectin gross weight in the formulation account for 5% ~ 60% of the whole quality of the pharmaceutical preparations.
4. the nematicidal composition according to claim 1 or 2 or 3, is characterized in that: the formulation of this nematicidal composition is missible oil, suspending agent, aqua, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations
.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165844A (en) * | 2015-09-25 | 2015-12-23 | 肇庆市真格生物科技有限公司 | Fluensulfone-containing nematode killing composition |
| CN105638689A (en) * | 2016-03-03 | 2016-06-08 | 陕西上格之路生物科学有限公司 | Nematicidal composition with fluensulfone and emamectin benzoate |
| CN106305759A (en) * | 2016-08-22 | 2017-01-11 | 田文华 | Pesticide composition containing fluorine thiamethoxam sulfone and dithiocyano methane |
| CN106417359A (en) * | 2016-09-19 | 2017-02-22 | 桂林集琦生化有限公司 | Nematicidal composition and application thereof |
| CN107410298A (en) * | 2017-05-27 | 2017-12-01 | 石家庄市兴柏生物工程有限公司 | A kind of composition pesticide containing Avermectin B2 and its application |
| CN107691457A (en) * | 2016-08-08 | 2018-02-16 | 深圳诺普信农化股份有限公司 | Nematicidal composition |
| CN108402059A (en) * | 2018-03-16 | 2018-08-17 | 佛山市普尔玛农化有限公司 | A kind of nematicidal composition of the 1,3,4- oxadiazole thio-ether type compounds containing styryl |
| CN109717193A (en) * | 2019-01-10 | 2019-05-07 | 陕西标正作物科学有限公司 | Composition pesticide containing fluorine alkene line sulfone |
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2014
- 2014-12-30 CN CN201410838499.3A patent/CN104488921A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165844A (en) * | 2015-09-25 | 2015-12-23 | 肇庆市真格生物科技有限公司 | Fluensulfone-containing nematode killing composition |
| CN105165844B (en) * | 2015-09-25 | 2017-10-31 | 广东真格生物科技有限公司 | A kind of nematicidal composition of fluorine-containing thiophene worm sulfone |
| CN105638689A (en) * | 2016-03-03 | 2016-06-08 | 陕西上格之路生物科学有限公司 | Nematicidal composition with fluensulfone and emamectin benzoate |
| CN107691457A (en) * | 2016-08-08 | 2018-02-16 | 深圳诺普信农化股份有限公司 | Nematicidal composition |
| CN106305759A (en) * | 2016-08-22 | 2017-01-11 | 田文华 | Pesticide composition containing fluorine thiamethoxam sulfone and dithiocyano methane |
| CN106417359A (en) * | 2016-09-19 | 2017-02-22 | 桂林集琦生化有限公司 | Nematicidal composition and application thereof |
| CN107410298A (en) * | 2017-05-27 | 2017-12-01 | 石家庄市兴柏生物工程有限公司 | A kind of composition pesticide containing Avermectin B2 and its application |
| CN108402059A (en) * | 2018-03-16 | 2018-08-17 | 佛山市普尔玛农化有限公司 | A kind of nematicidal composition of the 1,3,4- oxadiazole thio-ether type compounds containing styryl |
| CN109717193A (en) * | 2019-01-10 | 2019-05-07 | 陕西标正作物科学有限公司 | Composition pesticide containing fluorine alkene line sulfone |
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