CN102037990A - Pesticide composition containing phenthoate and buprofezin - Google Patents
Pesticide composition containing phenthoate and buprofezin Download PDFInfo
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- CN102037990A CN102037990A CN2010106133827A CN201010613382A CN102037990A CN 102037990 A CN102037990 A CN 102037990A CN 2010106133827 A CN2010106133827 A CN 2010106133827A CN 201010613382 A CN201010613382 A CN 201010613382A CN 102037990 A CN102037990 A CN 102037990A
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Abstract
The invention discloses a pesticide composition containing phenthoate and buprofezin, which is characterized in that: the phenthoate and the buprofezin serve as active ingredients, and are matched with a solvent, a carrier, a surfactant, and an aid to be prepared into cream, wettable powder, emulsion in water or granules, wherein the active ingredients are 5 to 6 weight percent. The concrete application method is proved by indoor and field tests; and after two pesticides are reasonably compounded, the pesticide composition has obvious synergism, the effect of preventing and controlling insect pests of crops is obviously improved, the insecticidal spectrum can be expanded, and the service life of single-component products is prolonged.
Description
Technical field
The present invention relates to a kind of insecticide phenthoate dimephenthoate cidial and Buprofezin composition of containing, belong to field of agrochemicals.
Background technology
Buprofezin english common name: English common name: Buprofezin, chemical name: 2-Te-Ding imido grpup-3-isopropyl-5-phenyl-3,4,5,6-tetrahydrochysene-2H-1,3,5-thiadiazine-4-ketone, be a kind of new selective insecticide that insect growth is grown that suppresses, action of contace poison is strong, and stomach poison function is also arranged.Mechanism of action is synthetic and disturb metabolism for suppressing insect chitin, causes nymph cast off a skin deformity or wing deformity and slowly dead.Just can find out effect in 3-7 days after the general dispenser, adult not had direct killing power, but can shorten its life-span, reduce egg laying amount, and output be mostly addle-egg, even the also very fast death of larva hatching.Double wing purpose plant hopper, leafhopper, aleyrodid and scale insect class pest have good control efficiency, and the drug effect phase reached more than 30 days.
Phenthoate dimephenthoate cidial (phenthoate) chemical name is: O, O-dimethyl-S-(α-ethoxy carbonyl benzyl) phosphorodithioate, relative molecular mass: 320.4.Be that a kind of efficient, wide spectrum is an organophosphorus insecticide, have and tag and stomach poison function that its mechanism of action is for suppressing the acetylcholinesterase in the insect bodies, and is effective to the insect of multiple biting mouthparts and sucking mouth parts, has good ovicidal activity.Quick-acting is stronger, very fast death after the insect contact, but the lasting period is shorter.Be applicable to crops such as paddy rice, cotton, fruit tree, vegetables.
The long-term use of single agent agricultural chemicals is used to such an extent that insect has produced pesticide resistance to various medicaments, in order to reach the effect of control of insect, has to strengthen the agricultural chemicals usage amount, so not only increases the weight of peasant's financial burden, and pollution of ecological environment.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of can delay insect to phenthoate dimephenthoate cidial and Buprofezin resistance, reduce the pesticide control cost, and the better composition pesticide of insecticidal effect.
For solving the problems of the technologies described above, the invention provides following technical scheme: a kind of phenthoate dimephenthoate cidial and Buprofezin composition pesticide of containing, with phenthoate dimephenthoate cidial, Buprofezin is active ingredient, and be aided with missible oil, wetting powder, aqueous emulsion or the granule that solvent, carrier, surfactant and auxiliary agent are prepared into, wherein the effective ingredient percentage by weight is 5%-65%.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Buprofezin composition pesticide of the present invention, wherein: the surfactant percentage by weight is 1%～25%, the percentage by weight 15%-94% of solvent, carrier and auxiliary agent.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Buprofezin composition pesticide of the present invention, wherein: the weight ratio of described phenthoate dimephenthoate cidial, Buprofezin 1: 0.1～20.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Buprofezin composition pesticide of the present invention, wherein: the weight ratio of described phenthoate dimephenthoate cidial, Buprofezin 1: 0.25～2.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Buprofezin composition pesticide of the present invention, wherein: the percentage by weight of described phenthoate dimephenthoate cidial is 4%～40%, and the percentage by weight of Buprofezin is 8%～30%.
As a kind of preferred version that contains phenthoate dimephenthoate cidial and Buprofezin composition pesticide of the present invention, wherein: the percentage by weight of described phenthoate dimephenthoate cidial is 15%～30%, and the percentage by weight of Buprofezin is 10%～20%.
The selected solvent of the present invention is that solvent comprises: the mixture of one or more of water, benzene,toluene,xylene, methyl alcohol, ethanol, isopropyl alcohol, butanols, cyclohexanone, a line oil, acetonitrile, carrene, chloroform, diformamide, dioxane, naphthalene, methyl naphthalene, dimethyl sulfoxide (DMSO), N-Methyl pyrrolidone, ethyl acetate, acetone, butanone, ether, gylcol ether.
The selected surfactant of the present invention comprises one or more mixtures in anion, cation, the non-ionic surface active agent.
Carrier of the present invention comprises one or more mixtures in kaolin, bentonite, atlapulgite, sepiolite, white carbon, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, the clay.
Other selected auxiliary agent of the present invention comprises one or more mixtures in ethylene glycol, propane diols, glycerine, urea, xanthans, methylol (ethyl) cellulose, gum Arabic, gelatin, modified starch, polyvinylpyrrolidone, octanol, the silicone.
When the present invention was missible oil, solvent for use was one or more mixtures in benzene,toluene,xylene, methyl alcohol, ethanol, isopropyl alcohol, butanols, a line oil, cyclohexanone, dimethyl formamide, dimethyl sulfoxide (DMSO), N-Methyl pyrrolidone, ethyl acetate, acetone, butanone, the gylcol ether.Used surfactant is one or more mixtures in alkylbenzenesulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene, alkyl phenyl phenol polyethenoxy ether, alkylphenol-polyethenoxy polyethenoxy ether, the alkyl phenyl phenol polyethenoxy polyethenoxy ether.
When the present invention was wetting powder and granule, used carrier was one or more mixtures in kaolin, bentonite, atlapulgite, sepiolite, white carbon, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, the clay.Used surfactant is one or more mixtures in commercially available NNO, BX, LS, lignosulfonates, carboxymethyl cellulose salt class, alkylsulfonate, aliphatic alcohol sulfate, the alkylphenol polyoxyethylene.
When the present invention is aqueous emulsion, its continuous phase is water, and used surfactant is one or more mixtures in alkylbenzenesulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene, alkyl phenyl phenol polyethenoxy ether, alkylphenol-polyethenoxy polyethenoxy ether, the basic phenyl phenol polyoxyethylene poly-oxygen propylene aether.Employed other auxiliary agent is one or more mixtures in polyvinyl alcohol, polyvinylpyrrolidone, carboxymethyl (ethyl) cellulose, xanthans, gum Arabic, gelatin, starch, alginic acid, urea, ethylene glycol, propane diols, the glycerine.
When formulation of the present invention was missible oil, the preparation method that adopts was a stirring and dissolving; When formulation is wetting powder, the preparation method that adopts for earlier various raw material being mixed then through comminution by gas stream to required particle diameter; When formulation is aqueous emulsion, the preparation method that adopts in the aqueous solution that contains surfactant, antifreezing agent, defoamer etc., two kinds of active ingredient homogeneous shears being emulsified into the liquid of the required particle diameter of milky; When formulation was granule, the preparation method who is adopted was for mixing earlier,, mediated then, through the dry gained of extruder grain to required particle diameter through comminution by gas stream.
The objective of the invention is to overcome deficiency of the prior art and defective: use separately that cost is higher in the process of phenthoate dimephenthoate cidial, Buprofezin pest control, preventive effect is on the low side, the medicament frequency of utilization is higher and easily bring out the practical problem that insect develops immunity to drugs.A kind of insecticides that contains insecticide phenthoate dimephenthoate cidial and Buprofezin is provided, thereby has improved the insecticidal activity of phenthoate dimephenthoate cidial, enlarged insecticidal spectrum, prolonged the service life of kind.Tool is stopped embodiment to be proved through indoor and field trial, after two kinds of insecticides reasonable composite, have obvious synergistic effect among the present invention, the control efficiency of crop pests is significantly increased, and can enlarge insecticidal spectrum, delay the service life of single agent kind.Concrete experimental result is: phenthoate dimephenthoate cidial and Buprofezin mass ratio 1: 0.25～2 o'clock are compared to co-toxicity coefficient (CTC) 129.43-153.51 of paddy rice rice leaf roller with single agent.Phenthoate dimephenthoate cidial is different with the Buprofezin structure, mode of action complementation, and the two the composite generation and development that can delay pest resistance to insecticide to a certain extent improves drug effect, reduces cost.
Embodiment
The present invention is further illustrated with application below in conjunction with embodiment.
Experimental example 1 phenthoate dimephenthoate cidial and Buprofezin composition are to the Toxicity Determination of paddy rice brown planthopper
1, test objective
Brown planthopper is an insect pest of rice, has a strong impact on output and the economic benefit of paddy rice.For the effectively preventing water rice hopper, solve the resistance of water rice hopper simultaneously to phenthoate dimephenthoate cidial and Buprofezin, reduce pesticide cost, improve preventive effect.We carry out indoor joint toxicity measuring with invading the worm method to the paddy rice brown planthopper with the mixture of not making on year-on-year basis of phenthoate dimephenthoate cidial and Buprofezin.
2 materials and methods
2.1 experimental condition
2.1.1 for the examination insect
Brown planthopper Nilaparvata lugens picks up from suburb, Yangzhou paddy field, through 2 generations of indoor propagation, gets its nymph for examination in 3 age.
2.1.2 condition of culture
The brown planthopper that the land for growing field crops is fetched is placed in the pot rice guard dependent insect cage to be raised.Under field conditions (factors), breed from July 20 to September 22.The maximum air temperature is 35 ℃ between breeding period, 24 ℃ of the minimum air temperatures, and natural lighting, for the military fragrant round-grained rice 14 of the rice varieties that tries the water, soil property is a sandy loam, organic matter 1.6, pH value 6.9.Paddy rice is managed same land for growing field crops.Brown planthopper is not used any chemical control between breeding period.
2.1.3 instrument and equipment
Potted plant guard dependent insect cage, pest sucking device, illumination box, teat glass, electronic balance, filter paper, beaker, culture dish, pipettor, writing brush soaks the worm string bag, stopwatch etc.
2.2 reagent
2.2.1 test medicine
Phenthoate dimephenthoate cidial (you are diffusing, philharmonic diffusing for benefit), the former medicine of phenthoate:93% is provided by Jiangsu Tenglong Biological Pharmaceutical Co., Ltd..
Buprofezin (excellent readily take the opportunity to, buprofezin), the former medicine of buprofezin:95% is provided by Jiangsu Tenglong Biological Pharmaceutical Co., Ltd..
2.2.2 other reagent
Acetone (solvent), 0.1% Tween 80 (surfactant)
2.3 test is handled
2.3.1 dosage setting
By the requirement of Jiangsu Tenglong Biological Pharmaceutical Co., Ltd., the former medicinal acetone solution of two single agent of phenthoate dimephenthoate cidial and Buprofezin is mixed with the preparation that concentration is 5 different proportionings of 50%.Each preparation 100ml, the former medicine 50ml of phenthoate dimephenthoate cidial and Buprofezin wherein, acetone 50ml.Proportioning is as follows.
The different proportionings of phenthoate dimephenthoate cidial Buprofezin
2.3.2 test is handled and design iterations
According to phenthoate dimephenthoate cidial and Buprofezin preliminary experiment result, to add 0.1% Tween 80 for proportioning medicament in examination phenthoate dimephenthoate cidial and the Buprofezin 5 and be diluted to 5 concentration (active ingredient), be respectively 22.5mg a.i./L, 11.25mg a.i./L, 5.625mg a.i./L, 1.4063mga.i./L and 0.7031mg a.i./L, other establishes clear water contrast, totally 6 processing.Every processing is for 120 of examination brown planthoppers, and each drug concentration is handled 4 times and repeated.
2.4 test method
Adopt dip method, with reference to the indoor biological activity determination test rule of agricultural chemicals insecticidal n Y/T1154.6-2006, the regulation of NY/T1154.7-2006 is tested.Drawing 30 of brown planthopper nymphs in 3 age with pest sucking device is a repetition, put into 40 order gauze pockets, in the processing soup for preparing in advance, soak 5s, take out after drying on the clean filter paper, put into the glass-tube of the no end of 1.8cm * 30cm, in vitro put into 2 of the rice stem stalks of late tillering state.The test tube upper end is pricked with gauze, and the lower end clogs with rayon balls, paddy rice is wrapped up in the root immersion preserve moisture, and checks the borer population of living in 24 hours behind medicine, calculates the average mortality of each processing, and the calculation correction lethality.
2.5 data survey and statistical analysis
2.5.1 corrected mortality calculates
Test and check dead borer population, statistical correction lethality after 24 hours
2.5.2LC
50Calculating
Convert each experimental concentration to logarithm value (x), corrected mortality converts probit value (y) to, calculates independent regression equation y=a+bx with method of least squares, calculates the LC of each medicament then
50, and calculate 95% confidence interval and b value and standard error.
2.5.3 co-toxicity coefficient computational methods
The actual measurement toxicity index of mixture is calculated and is used following formula:
In the formula: ATI-mixture actual measurement toxicity index;
The LC of S-standard insecticide
50, unit is every liter (mg/L) of milligram
The LC of M-mixture
50, unit is every liter (mg/L) of milligram
The actual measurement toxicity index of mixture is calculated and is used following formula: TTI=TI
A* P
A+ TI
B* P
B
In the formula: the theoretical toxicity index of TTI-mixture;
TI
A-A medicament toxicity index;
P
AThe percentage composition of-A medicament in mixture, unit are percentage (%)
TI
B-B medicament toxicity index;
P
BThe percentage composition of-B medicament in mixture, unit are percentage (%).
Co-toxicity coefficient calculates uses following formula:
In the formula: the CTC-co-toxicity coefficient
ATI-mixture actual measurement toxicity index
The theoretical toxicity index of TTI-mixture;
Evaluation criterion: composite dose co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; CTC≤80 show as antagonism;
80＜CTC＜120 show as summation action.
3 results and analysis
7 medicament variable concentrations such as medicament phenthoate dimephenthoate cidial, Buprofezin and different proportioning medicament phenthoate dimephenthoate cidial Buprofezin thereof No. 1, No. 2, No. 3, No. 4, No. 5 are handled the result of the test initial data of brown planthopper is put in order in subordinate list after 24 hours.Each pharmacy test concentration in the subordinate list is converted to logarithm value x, and corrected mortality converts probit value y to, in table 1.Calculate its regression equation according to table 1 result, and calculate LC
50And co-toxicity coefficient, the results are shown in Table 2.
As can be seen from Table 2, after 24 hours phenthoate dimephenthoate cidial and Buprofezin to the lethal concentration of 50 LC of brown planthopper
50Be respectively 2.72 and 15.29mg a.i./L.The lethal concentration of 50 LC that the phenthoate dimephenthoate cidial Buprofezin is No. 1, No. 2, No. 3, No. 4, No. 5
50Be respectively 1.98,1.95,2.23,2.53 and 2.63mg a.i./L, its co-toxicity coefficient is respectively 145.34,153.51,139.86,131.81 and 129.43.According to the co-toxicity coefficient evaluation criterion, five kinds of different proportionings of phenthoate dimephenthoate cidial Buprofezin all have certain synergistic effect to brown planthopper.Wherein No. 2 co-toxicity coefficients are the highest, reach 153.51, and synergistic effect is the most obvious, secondly are No. 1, and synergy is also very remarkable.
Table 1 phenthoate dimephenthoate cidial and Buprofezin mixed agent are to the indoor joint toxicity measuring result of brown planthopper (24 hours)
Table 27 kind of different medicaments are to the malicious together coefficient determination result of the virulence of brown planthopper (24 hours)
Embodiment 2
Phenthoate dimephenthoate cidial 30 grams (rolling over hundred content), Buprofezin 15 grams, calcium dodecyl benzene sulfonate 4 grams, fatty alcohol-polyoxyethylene ether (n=20) 6 grams are with diformamide 20 grams, xylene soluble gets 100 gram missible oil products, according to 100 gram/mu dosage control paddy rice rice leaf roller, the spray medicine once connects and sprays 2 times every about 7 days, 69.3%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 91.5%.
Embodiment 3
Phenthoate dimephenthoate cidial 40 grams (rolling over hundred content), Buprofezin 10 grams, calcium dodecyl benzene sulfonate 2 grams, polyoxyethylene nonylphenol ether (n=20) 3 grams, one line oil, 5 grams, carboxymethyl cellulose salt 0.3 gram, propane diols 3 grams, defoamer 0.2 gram, deionized water adds to 100 grams, adopts high speed shear stirring and emulsifying machine dispersed with stirring, and mixing speed is 2000 rev/mins, mixing time is 30 minutes, gets the white emulsion product that evenly can flow.According to 100 gram/mu dosage control paddy rice rice leaf roller, the spray medicine once connects and sprays 2 times every about 7 days, and 76.3%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 92.5%.
Embodiment 4
Phenthoate dimephenthoate cidial 15 grams (rolling over hundred content), Buprofezin 25 grams, NN04 gram, BX2 gram, white carbon 10 grams, atlapulgite is added to 100 grams, is the 20um wetting powder through comminution by gas stream to average grain diameter, according to 100 gram/mu dosage control rice-stem borer, the spray medicine once every about 7 days, connect and spray 2 times, 73.3%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 91.7%.
Embodiment 5
Phenthoate dimephenthoate cidial 4 grams (rolling over hundred content), Buprofezin 8 grams, sodium lignin sulfonate 4 grams, dodecyl sodium sulfate 2 grams, white carbon 20 grams, bentonite are added to 100 grams, through comminution by gas stream to average grain diameter is the 20um wetting powder, adding 10 restrains 6% polyvinyl alcohol water solutions and stirs in above-mentioned wettable powder, by the extruder grain oven dry, obtains 100 gram 2mm*5mm dispersibility granula products.According to 120 gram/mu dosage control paddy rice paddy stem borer, the spray medicine once connects and sprays 2 times every about 7 days, and 80.3%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 90%.
Embodiment 6
Phenthoate dimephenthoate cidial 20 grams (rolling over hundred content), Buprofezin 20 grams, calcium dodecyl benzene sulfonate 0.5 gram, dodecylphenyl phenol polyethenoxy polyethenoxy ether 3 grams, cyclohexanone 3 grams, xanthans 0.4 gram, defoamer 0.1 gram, deionized water adds to 100 grams, adopt high speed shear stirring and emulsifying machine dispersed with stirring, mixing speed is 4000 rev/mins, and mixing time is 15 minutes, gets the white emulsion product that evenly can flow.According to 100 gram/mu dosage control paddy rice rice leaf roller, the spray medicine once connects and sprays 2 times every about 7 days, and 71.1%, 14 day " Invest, Then Investigate " preventive effect of 7 days average preventive effects of " Invest, Then Investigate " is 88.5%.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. one kind contains phenthoate dimephenthoate cidial and Buprofezin composition pesticide, it is characterized in that: with phenthoate dimephenthoate cidial, Buprofezin is active ingredient, and be aided with missible oil, wetting powder, aqueous emulsion or the granule that solvent, carrier, surfactant and auxiliary agent are prepared into, wherein the effective ingredient percentage by weight is 5%-65%.
2. phenthoate dimephenthoate cidial and the Buprofezin composition pesticide of containing according to claim 1, it is characterized in that: the surfactant percentage by weight is 1% ~ 25%, the percentage by weight 15%-94% of solvent, carrier and auxiliary agent.
3. phenthoate dimephenthoate cidial and the Buprofezin composition pesticide of containing according to claim 1 is characterized in that: the weight ratio 1:0.1 of described phenthoate dimephenthoate cidial, Buprofezin ~ 20.
4. phenthoate dimephenthoate cidial and the Buprofezin composition pesticide of containing according to claim 1 is characterized in that: the weight ratio 1:0.25 of described phenthoate dimephenthoate cidial, Buprofezin ~ 2.
5. phenthoate dimephenthoate cidial and the Buprofezin composition pesticide of containing according to claim 1, it is characterized in that: the percentage by weight of described phenthoate dimephenthoate cidial is 4% ~ 40%, the percentage by weight of Buprofezin is 8% ~ 30%.
6. phenthoate dimephenthoate cidial and the Buprofezin composition pesticide of containing according to claim 1, it is characterized in that: the percentage by weight of described phenthoate dimephenthoate cidial is 15% ~ 30%, the percentage by weight of Buprofezin is 10% ~ 20%.
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| CN2010106133827A CN102037990A (en) | 2010-12-30 | 2010-12-30 | Pesticide composition containing phenthoate and buprofezin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104365657A (en) * | 2014-10-27 | 2015-02-25 | 池州弘利农业科技开发有限公司 | Synergistic insecticidal composition containing chloropyridine and phenthoate |
| CN107455384A (en) * | 2017-09-28 | 2017-12-12 | 中国农业大学 | A kind of pesticide synergistic composition containing phenthoate dimephenthoate cidial |
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| CN101657102A (en) * | 2007-04-12 | 2010-02-24 | 巴斯夫欧洲公司 | The pesticide combination that comprises cyanosulfoximine compounds |
| WO2010095151A2 (en) * | 2009-02-20 | 2010-08-26 | Deepak Pranjivandas Shah | A novel water dispersible granular composition |
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2010
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| CN1055280A (en) * | 1991-05-30 | 1991-10-16 | 中国农业科学院植物保护研究所 | Formulation of organophosphorus pesticide water emulsion |
| CN101657102A (en) * | 2007-04-12 | 2010-02-24 | 巴斯夫欧洲公司 | The pesticide combination that comprises cyanosulfoximine compounds |
| WO2010095151A2 (en) * | 2009-02-20 | 2010-08-26 | Deepak Pranjivandas Shah | A novel water dispersible granular composition |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104365657A (en) * | 2014-10-27 | 2015-02-25 | 池州弘利农业科技开发有限公司 | Synergistic insecticidal composition containing chloropyridine and phenthoate |
| CN104365657B (en) * | 2014-10-27 | 2016-04-13 | 池州弘利农业科技开发有限公司 | A kind of insecticidal synergistic composition containing the pyridine of piperazine worm and phenthoate dimephenthoate cidial |
| CN107455384A (en) * | 2017-09-28 | 2017-12-12 | 中国农业大学 | A kind of pesticide synergistic composition containing phenthoate dimephenthoate cidial |
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Application publication date: 20110504 |