CN101653124A - Synergistic pesticide composition and application thereof - Google Patents
Synergistic pesticide composition and application thereof Download PDFInfo
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- CN101653124A CN101653124A CN200910161494A CN200910161494A CN101653124A CN 101653124 A CN101653124 A CN 101653124A CN 200910161494 A CN200910161494 A CN 200910161494A CN 200910161494 A CN200910161494 A CN 200910161494A CN 101653124 A CN101653124 A CN 101653124A
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Abstract
The invention discloses a synergistic composition for killing pests and mites, which is characterized by comprising the effective ingredients of tolfenpyrad and chlorfenapyr. The pesticide compositionof the invention has good effects on preventing and treating the pests and mites which are hazards in the agricultural production.
Description
Technical field
The present invention relates to a kind of composition pesticide and application thereof, especially a kind of application that contains the composition pesticide of azoles insect amide and prevent and treat crop pest evil mite.
Background technology
Many insecticides or miticide are arranged at present, but often insecticide does not have acaricidal activity or acaricidal activity undesirable, and miticide there are not insecticidal activity or insecticidal activity undesirable.And under a lot of situations on the crop existing insect cause harm, pest mite is caused harm again, so, for pest control evil mite, peasant or repeat dispenser, or select bucket to mix.After different pesticide species are mixed, show three kinds of type of action usually, promptly summation action, synergistic effect and antagonism act on but which kind of is specially, and have only by a large amount of tests and just can know.And generally peasant's bucket is mixed just with subjective judgement, does not have scientific basis, and irrational medicament is mixed and not only can produce mutual supplement with each other's advantages, also may produce serious adverse on the contrary.
Azoles insect amide: english common name tolfenpyrad, chemical name 4-chloro-3-ethyl-1-methyl-N-[4-(right-tolyl oxygen base) phenyl] pyrazoles-5-acid amides, belong to novel pyrazole heterocyclic insecticidal/acaricidal agent.The main mechanism of azoles insect amide is for stoping the oxidative phosphorylation of insect, and the adenosine diphosphate (ADP) of insect evil mite can not be converted into adenosine triphosphate (ATP) like this, thereby makes its death.The insecticidal spectrum of azoles insect amide is very wide, and various Lepidopteras, Semiptera, beetle order, Hymenoptera, Diptera pest and some mite classes are had higher control efficiency.
Capillary: have another name called chlorfenapyr, english common name chlorfenapyr, chemical name 4-bromo-2-(4-chlorphenyl)-1-(ethoxyl methyl)-5-(trifluoromethyl) pyrroles-3-nitrile belongs to the aryl pyrrolines insecticidal/acaricidal agent.The capillary high-efficiency broad spectrum has stomach toxicity and certain action of contace poison and systemic activity, and the medium effect of holding is arranged on crop, and is to boring moth, thorn suction and chewing type insect preventive effect excellence, effective to the mite class.
Summary of the invention
The object of the present invention is to provide a kind of potentiating pesticidal miticide composition and the application of said composition on the crop pest control of pest mite that contains the azoles insect amide.
For solving the problems of the technologies described above, the inventor is surprised to find that by a large amount of biologicall test screenings azoles insect amide and capillary are composite with certain proportion, insect evil mite is had synergistic effect, and remarkable field control effect is arranged.
Technical scheme of the present invention is: a kind of insecticide acaricide composition, its active ingredient are azoles insect amide and capillary, and the mass ratio of azoles insect amide and capillary is 50: 1-1: 50, and ratio is 10 preferably: 1-1: 10; The present composition can be processed into the preparation of dosage forms by present known method, suitable formulation comprises missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder etc., described azoles insect amide and the capillary gross mass content in preparation is 5%-60%, is preferably 10%-45%.
The present composition can be used for preventing and treating the insect evil mite that harms the crops, as diamond-back moth, flea beetle, tea lesser leafhopper, Tetranychus cinnabarinus, Tetranychus urticae etc.
Composition pesticide of the present invention compared with prior art produces following beneficial effect: behind (1) two kind of composite reagent insect evil mite is all had synergistic effect, a dispenser can provide comprehensive insect pest protection mite infestation to crop; (2) because two kinds of medicament mechanisms of action are different, the application of composition helps the delaying drug resistance development, prolongs the service life of medicament; (3) compare with single agent, composite dose has the longer lasting period.
Embodiment
The inventor finds that azoles insect amide and capillary applied in any combination have remarkable role in synergy to insect and mite, and is not only the simple addition of two kinds of medicaments that by a large amount of screening tests this can know from following biologicall test embodiment and find out.
The synergy test that azoles insect amide and capillary are composite.The experimental test object is Tetranychus cinnabarinus and diamond-back moth, and concrete grammar is:
(1) test medicine:
The former medicine of 98% azoles insect amide (Nihon Nihyaku Co., Ltd);
The former medicine of 94.5% capillary (BASF European Co.,Ltd);
Former medicine is mixed with according to a conventional method the test medicine that needs.
(2) subjects:
Tetranychus cinnabarinus (Tetranychus cinnabarinus (Boisduval)): pick up from Baoan District, Shenzhen tomato, indoor black nightshade seedling was raised to the 2nd generation.
Diamond-back moth (Plutella xylostella): pick up from beautiful rule food market, Shenzhen, indoor Turnip Sprouts were raised to the 2nd generation.
(3) test method:
Tetranychus cinnabarinus: test is adopted the Potter spray-on process with reference to " People's Republic of China's agricultural industry criteria " (agricultural chemicals indoor bioassay test rule insecticidal n Y/T 1154.9-2008).The cassava blade is cut into the little square of the about 50cm of the length of side, is placed in the glass culture dish of diameter 90cm, cassava blade underlay wet gauze is preserved moisture.With the little writing brush consistent female one-tenth mite of picking growth gently, be placed on the cassava blade 20 in each blade.Culture dish is placed in the Potter spray tower, 1.47 * 10
5Pa is spraying down, spray amount 1ml, sedimentation time 1min.Handle blank earlier, repeat aforesaid operations by experimental scheme dosage order from low to high then, 5 concentration gradients are done in each proportioning or single agent, and each concentration gradient is provided with 3 repetitions.Behind the spray medicine culture dish put temperature and be 27 ℃, photoperiod and be in the incubator of L: D=(12: 12) h and raise.Check death toll behind the 48h.
Diamond-back moth: test is adopted leaf dipping method with reference to " People's Republic of China's agricultural industry criteria " (agricultural chemicals indoor bioassay test rule insecticidal n Y/T 1154.14-2008).Cabbage leaves of the same size was flooded 10 seconds in the soup that is prepared, dry in the shade after the taking-up, put into the culture dish that is lined with the filter paper of preserving moisture, every processing repeats for 3 times, and clear water is handled in contrast; Select the third-instar larvae of growth uniformity, put into culture dish and raise with the blade that soaked soup, each repeats 20 cephalont.All culture dishes are put in the white disk, and the two-layer wet gauze of loam cake covers preserves moisture.And to be put in 27 ℃, photoperiod be to cultivate in L: D=(12: 12) the h illumination box, checked dead borer population in 48 hours.
(4) statistical analysis
Carry out statistical analysis with the DPS data processing software, calculate the LC of each medicament
50And 95% confidence limit, estimate the insecticidal activity of reagent agent with this to the examination worm.
The co-toxicity coefficient of mixture (CTC value) calculates by following formula:
In the formula:
ATI---mixture actual measurement toxicity index;
The LC of S---standard insecticide
50, unit is mg/litre (mg/l);
The LC of M---mixture
50, unit is mg/litre (mg/L).
TTI＝TI
AxP
A+TI
BxP
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 is a percentage;
TI
B----B medicament toxicity index;
P
BThe percentage composition of-----B medicament in mixture, unit is a percentage.
In the formula:
The CTC----co-toxicity coefficient;
ATI---mixture actual measurement toxicity index;
The theoretical toxicity index of TTI---mixture.
Co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect, and CTC≤80 show as antagonism, and 80＜CTC＜120 show as summation action.
(5) interpretation of result: the composite toxicity test to Tetranychus cinnabarinus of azoles insect amide and capillary the results are shown in Table 1, and the composite toxicity test to diamond-back moth of azoles insect amide and capillary the results are shown in Table 2.
The composite result of the test of table 1, azoles insect amide and capillary to Tetranychus cinnabarinus
| Medicament | ??LC 50(mg/l) | ??ATI | ??TTI | ??CTC |
| The azoles insect amide | ??6.29 | ??100.00 | ??/ | ??/ |
| Capillary | ??3.25 | ??193.54 | ??/ | ??/ |
| Azoles insect amide: capillary=50: 1 | ??4.45 | ??141.35 | ??101.83 | ??138.80 |
| Azoles insect amide: capillary=20: 1 | ??4.06 | ??154.93 | ??104.45 | ??148.32 |
| Azoles insect amide: capillary=10: 1 | ??2.78 | ??226.26 | ??108.50 | ??208.53 |
| Azoles insect amide: capillary=1: 1 | ??1.98 | ??317.68 | ??146.77 | ??216.45 |
| Azoles insect amide: capillary=1: 10 | ??1.66 | ??378.92 | ??185.03 | ??204.78 |
| Azoles insect amide: capillary=1: 20 | ??2.22 | ??283.33 | ??189.08 | ??149.85 |
| Azoles insect amide: capillary=1: 50 | ??2.34 | ??268.80 | ??191.70 | ??140.22 |
By table 1 as seen: the proportioning of azoles insect amide and capillary is 50: 1-1: performance has synergistic effect to Tetranychus cinnabarinus between 50, azoles insect amide wherein: capillary is bigger at the co-toxicity coefficient of 10: 1 and 1: 1 and 1: 10 these three ratio, all more than 200, synergistic effect is more obvious.
The composite result of the test of table 2, azoles insect amide and capillary to diamond-back moth
| Medicament | ??LC 50(mg/l) | ??ATI | ??TTI | ??CTC |
| The azoles insect amide | ??1.89 | ??100.00 | ??/ | ??/ |
| Capillary | ??16.54 | ??11.43 | ??/ | ??/ |
| Azoles insect amide: capillary=50: 1 | ??1.45 | ??130.34 | ??98.26 | ??132.65 |
| Azoles insect amide: capillary=20: 1 | ??1.25 | ??151.20 | ??95.78 | ??157.86 |
| Azoles insect amide: capillary=10: 1 | ??1.08 | ??175.00 | ??91.95 | ??190.33 |
| Azoles insect amide: capillary=1: 1 | ??1.58 | ??119.62 | ??55.71 | ??214.71 |
| Azoles insect amide: capillary=1: 10 | ??4.97 | ??38.03 | ??19.48 | ??195.23 |
| Azoles insect amide: capillary=1: 20 | ??8.12 | ??23.28 | ??15.64 | ??148.78 |
| Azoles insect amide: capillary=1: 50 | ??10.46 | ??18.07 | ??13.16 | ??137.26 |
By table 2 as seen: the proportioning of azoles insect amide and capillary is 50: 1-1: between 50 the diamond-back moth performance is had synergistic effect, azoles insect amide wherein: capillary is bigger at the co-toxicity coefficient of 10: 1 and 1: 1 and 1: 10 these three ratio, all more than 190, synergistic effect is more obvious.
Composition of the present invention can be prepared into known method and be fit to any one formulation that agricultural is used, and reasonable formulation is missible oil, microemulsion, aqueous emulsion, water dispersible granules, wetting powder, suspending agent.
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention further describes with following specific embodiment, but the present invention is limited to these examples absolutely not.If no special instructions, the ratio of below mentioning (comprising percentage) all is a mass ratio.
Embodiment 1:10% azoles insect amide capillary missible oil
Former medicine 5.10 grams of 98% azoles insect amide
Former medicine 5.29 grams of 94.5% capillary
N-Methyl pyrrolidone (cosolvent) 10 grams
Dimethyl formamide (cosolvent) 10 grams
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether (emulsifier) 5 grams
Calcium dodecyl benzene sulfonate (emulsifier) 5 grams
Dimethylbenzene (solvent) complements to 100 grams.
Active component, emulsifier and soluble additive are added in the mixing kettle successively by prescription, stir, make 10% azoles insect amide capillary missible oil.
Present embodiment is applied to prevent and treat soybean prodenia litura consumption and preventive effect sees Table 3, and the double preventive effect of investigating simultaneously Tetranychus cinnabarinus of controlling sees Table 4.By table 3, table 4 as seen: the composite dose of preventive effect to prodenia litura and Tetranychus cinnabarinus all reaches more than 90%, is better than two single agent, illustrate that composite dose of energy provides the protection of better the worm mite being caused harm to soybean, and more single agent of lasting period is long.
Table 3, composite dose of control efficiency of present embodiment to prodenia litura
| Medicament | Effective ingredient consumption (gram/hectare) | 2 days preventive effect % behind the medicine | 15 days preventive effect % behind the medicine |
| 10% azoles insect amide capillary missible oil | ??90 | ??98.2 | ??94.6 |
| 15% azoles insect amide missible oil | ??90 | ??78.7 | ??74.5 |
| 24% capillary suspending agent | ??90 | ??92.5 | ??84.6 |
Table 4, composite dose of double effect of controlling of present embodiment to Tetranychus cinnabarinus
| Medicament | 2 days preventive effect % behind the medicine | 15 days preventive effect % behind the medicine |
| 10% azoles insect amide capillary missible oil | ??92.2 | ??90.5 |
| 15% azoles insect amide missible oil | ??56.7 | ??24.5 |
| 24% capillary suspending agent | ??92.0 | ??82.3 |
Embodiment 2:22% azoles insect amide capillary suspending agent
Former medicine 20.41 grams of 98% azoles insect amide
Former medicine 2.12 grams of 94.5% capillary
Methyl naphthalene sulfonate formaldehyde condensate (wetting dispersing agent) 5 grams
Xanthans (thickener) 1 gram
Bentonite (thickener) 1 gram
Glycerine (antifreezing agent) 4 grams
Water complements to 100 grams.
The ratio of each component such as active component, dispersant, wetting agent and water in prescription mixed, obtain 22% azoles insect amide capillary suspending agent through grinding.
Present embodiment is applied to prevent and treat panonychus citri, and consumption and preventive effect see Table 5.By table 5 as seen: the composite dose of whole preventive effect to panonychus citri all is higher than two single agent, and lasting effect is better than the agent of azoles insect amide list far away.
Table 5, composite dose of control efficiency of present embodiment to panonychus citri
| Medicament | Extension rate | 1 day preventive effect % behind the medicine | 3 days preventive effect % behind the medicine | 15 days preventive effect % behind the medicine |
| 22% azoles insect amide capillary suspending agent | ??3300 | ??75.1 | ?88.8 | ??85.5 |
| 15% azoles insect amide missible oil | ??2500 | ??64.4 | ??69.3 | ??30.2 |
| 24% capillary suspending agent | ??4000 | ??40.2 | ??69.3 | ??50.2 |
Embodiment 3:21% azoles insect amide capillary aqueous emulsion
Former medicine 20.41 grams of 98% azoles insect amide
Former medicine 1.06 grams of 94.5% capillary
Dimethylbenzene (solvent) 10 grams
Triphenyl vinyl phenol polyoxyethylene ether phosphate (emulsifier) 4 grams
Propane diols (antifreezing agent) 4 grams
Dimethyl silicone polymer (defoamer) 0.3 gram
Water to 100 gram
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With antifreezing agent and the mixed water that gets of defoamer; Under high-speed stirred, oil phase is mixed with water, make 21% azoles insect amide capillary aqueous emulsion.
Present embodiment is applied to that radish prevents and treats the flea beetle consumption seedling stage and preventive effect sees Table 6, and the double preventive effect of investigating simultaneously aphid of controlling sees Table 7.By table 6 and table 7 as seen: the composite dose of whole preventive effect to flea beetle and aphid all is higher than two single agent.
The control efficiency of table 6, composite dose of flea beetle of present embodiment
| Medicament | Effective ingredient consumption gram/hectare | 1 day preventive effect % behind the medicine | 2 days preventive effect % behind the medicine | 7 days preventive effect % behind the medicine |
| 21% azoles insect amide capillary aqueous emulsion | ??120 | ??80.2 | ??96.8 | ??80.5 |
| 15% azoles insect amide missible oil | ??120 | ??70.7 | ??80.1 | ??77.5 |
| 24% capillary suspending agent | ??120 | ??60.4 | ??87.3 | ??60.2 |
Table 7, composite dose of double effect of controlling of present embodiment to aphid
| Medicament | 2 days preventive effect % behind the medicine |
| 21% azoles insect amide capillary aqueous emulsion | ??98.9 |
| 15% azoles insect amide missible oil | ??90.4 |
| 24% capillary suspending agent | ??87.4 |
Embodiment 4:33% azoles insect amide capillary wetting powder
Former medicine 3.06 grams of 98% azoles insect amide
Former medicine 31.75 grams of 94.5% capillary
Lauryl sodium sulfate (wetting agent) 2 grams
Sodium lignin sulfonate (dispersant) 5 grams
Naphthalene sulfonate (dispersant) 3 grams
Kaolin (carrier) complements to 100 grams.
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get 33% azoles insect amide capillary wetting powder.
Present embodiment is applied to prevent and treat tea tree smaller green leaf hopper and pink tea rust mite.By 5500 times of dilution sprayings, 3 days preventive effects to tea lesser leafhopper and pink tea rust mite are respectively 94.2% and 96.3% behind the medicine with 33% azoles insect amide capillary wetting powder; 15% azoles insect amide missible oil is by 2500 times of dilution sprayings, and 3 days preventive effect is respectively 80.4% and 84.6% behind the medicine; 24% capillary suspending agent is according to 4000 times of dilution sprayings, and 3 days preventive effect is respectively 88.7% and 70.1% behind the medicine.
Embodiment 5:12% azoles insect amide capillary microemulsion
Former medicine 10.20 grams of 98% azoles insect amide
Former medicine 2.12 grams of 94.5% capillary
N-Methyl pyrrolidone (solvent) 10 grams
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether (emulsifier) 5 grams
Calcium dodecyl benzene sulfonate (emulsifier) 5 grams
Water complements to 100 grams.
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; Under high-speed stirred, oil phase is mixed with water, make 12% azoles insect amide capillary microemulsion.
Present embodiment is applied to prevent and treat the wild cabbage diamond-back moth.By effective ingredient consumption 90 gram/hectares dilution spraying, 3 days preventive effect is 98.2% behind the medicine with 12% azoles insect amide capillary microemulsion; 15% azoles insect amide missible oil is by effective ingredient consumption 90 gram/hectares dilution spraying, and 3 days preventive effect is 87.4% behind the medicine; 24% capillary suspending agent is by effective ingredient consumption 90 gram/hectares dilution spraying, and 3 days preventive effect is 87.8% behind the medicine.
Embodiment 6:31.5% azoles insect amide capillary suspending agent
Former medicine 1.53 grams of 98% azoles insect amide
Former medicine 31.75 grams of 94.5% capillary
Methyl naphthalene sulfonate formaldehyde condensate (wetting dispersing agent) 5.5 grams
Xanthans (thickener) 1.5 grams
Bentonite (thickener) 1.5 grams
Glycerine (antifreezing agent) 4.5 grams
Water complements to 100 grams.
The ratio of each component such as active component, dispersant, wetting agent and water in prescription mixed, obtain 31.5% azoles insect amide capillary suspending agent through grinding.
Present embodiment is applied to prevent and treat apple tree leaf roller and Tetranychus urticae.By 5200 times of dilution sprayings, 7 days the preventive effect to leaf roller, Tetranychus urticae is respectively 94.2% and 91.6% behind the medicine with 31.5% azoles insect amide capillary suspending agent; 15% azoles insect amide missible oil is by 2500 times of dilution sprayings, and 7 days preventive effect is respectively 78.4% and 34.5% behind the medicine; 24% capillary suspending agent is by 4000 times of dilution sprayings, and 7 days preventive effect is respectively 88.8% and 78.9% behind the medicine.
Embodiment 7:51% azoles insect amide acarid nitrile water dispersion granula
Former medicine 51.02 grams of 98% azoles insect amide
Former medicine 1.06 grams of 94.5% capillary
Negel (dispersant) 5 grams
Sodium lignin sulfonate (dispersant) 7 grams
Lauryl sodium sulfate (wetting agent) 2 grams
Ammonium sulfate (disintegrant) 5 grams
Precipitated calcium carbonate (filler) complements to 100 grams.
Active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, become wetting powder, add a certain amount of water mixing extruding again and make material, obtain 51% azoles insect amide acarid nitrile water dispersion granula after the drying screening through comminution by gas stream.
Embodiment 8:60% azoles insect amide acarid nitrile water dispersion granula
Former medicine 1.20 grams of 98% azoles insect amide
Former medicine 62.25 grams of 94.5% capillary
Negel (dispersant) 5 grams
Sodium lignin sulfonate (dispersant) 7 grams
Lauryl sodium sulfate (wetting agent) 2 grams
Ammonium sulfate (disintegrant) 5 grams
Precipitated calcium carbonate (filler) complements to 100 grams.
Active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, become wetting powder, add a certain amount of water mixing extruding again and make material, obtain 60% azoles insect amide acarid nitrile water dispersion granula after the drying screening through comminution by gas stream.
Claims (5)
1, a kind of composition pesticide is characterized in that: the active ingredient in the composition is azoles insect amide and capillary, and the mass ratio of azoles insect amide and capillary is 50: 1-1: 50.
2, composition pesticide according to claim 1 is characterized in that: the mass ratio of active ingredient azoles insect amide and capillary is 10: 1-1: 10.
3,, it is characterized in that described composition pesticide is mixed with following formulation: missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder according to claim 1 or 2.
4, according to claim 3, it is characterized in that: azoles insect amide and capillary total quality percentage composition in the composition pesticide preparation is 5%-60%.
5, claim 1 or the 2 described composition pesticides application on control crop pest evil mite.
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|---|---|---|---|
| CN200910161494A CN101653124A (en) | 2009-07-31 | 2009-07-31 | Synergistic pesticide composition and application thereof |
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| CN200910161494A CN101653124A (en) | 2009-07-31 | 2009-07-31 | Synergistic pesticide composition and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103503903A (en) * | 2012-06-15 | 2014-01-15 | 陕西汤普森生物科技有限公司 | High-efficiency insecticidal composition containing dicyclanil |
| CN104094938A (en) * | 2014-06-25 | 2014-10-15 | 广东中迅农科股份有限公司 | Deinsectization composition containing chlorine chlorfenapyr and tolfenpyrad |
| CN104222097A (en) * | 2014-09-22 | 2014-12-24 | 柳州市惠农化工有限公司 | Pesticidal composition containing tolfenpyrad and chlorfenapyr |
| CN114467955A (en) * | 2022-02-22 | 2022-05-13 | 河北农信生物科技有限责任公司 | Pesticide water suspending agent and application thereof |
-
2009
- 2009-07-31 CN CN200910161494A patent/CN101653124A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103503903A (en) * | 2012-06-15 | 2014-01-15 | 陕西汤普森生物科技有限公司 | High-efficiency insecticidal composition containing dicyclanil |
| CN104094938A (en) * | 2014-06-25 | 2014-10-15 | 广东中迅农科股份有限公司 | Deinsectization composition containing chlorine chlorfenapyr and tolfenpyrad |
| CN104222097A (en) * | 2014-09-22 | 2014-12-24 | 柳州市惠农化工有限公司 | Pesticidal composition containing tolfenpyrad and chlorfenapyr |
| CN114467955A (en) * | 2022-02-22 | 2022-05-13 | 河北农信生物科技有限责任公司 | Pesticide water suspending agent and application thereof |
| CN114467955B (en) * | 2022-02-22 | 2023-09-22 | 河北农信生物科技有限责任公司 | Pesticide water suspending agent and application thereof |
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Application publication date: 20100224 |