CN103125508A - Bactericidal composition containing fluopicolide and benthiavalicarb-isopropyl - Google Patents
Bactericidal composition containing fluopicolide and benthiavalicarb-isopropyl Download PDFInfo
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- CN103125508A CN103125508A CN 201310076912 CN201310076912A CN103125508A CN 103125508 A CN103125508 A CN 103125508A CN 201310076912 CN201310076912 CN 201310076912 CN 201310076912 A CN201310076912 A CN 201310076912A CN 103125508 A CN103125508 A CN 103125508A
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- acid amides
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- fluorine pyridine
- benzene metsulfovax
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Abstract
The invention relates to a bactericidal composition containing fluopicolide and benthiavalicarb-isopropyl. The bactericidal composition comprises the effective ingredients of fluopicolide and benthiavalicarb-isopropyl in binary compound, wherein the weight ratio of the fluopicolide to the benthiavalicarb-isopropyl is (1-40) to (40-1); the total mass of the effective ingredients fluopicolide and benthiavalicarb-isopropyl in the preparation is 1-80% of the mass of the entire preparation; and the others are auxiliary ingredients which are permitted to be used and accepted in pesticides. The dosage form of the bactericidal composition is missible oil, a suspending agent, wettable powder, a water dispersible granule, emulsion in water and microemulsion; and late blight of potatoes and tomatoes, plasmopara uiticola, downy mildew of cucurbits and parasitic downy mildew can be effectively controlled.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, particularly relate to a kind of bactericidal composition that contains fluorine pyridine bacterium acid amides and benzene metsulfovax.
Background technology
Fluopicolide is a kind of novel amide-type systemic fungicide of Beyer Co., Ltd's exploitation; Be mainly used in preventing and treating the microbial disease of Oomycete cause of disease as downy mildew of garpe and late blight etc.Fluopicolide not only has unique mode of action, with other series bactericidal agent, without cross resistance, and has good lasting effect.The chemistry of fluopicolide is called the chloro-5-of the chloro-N-{[3-of 2,6-bis-(trifluoromethyl)-2-pyridine] methyl } benzamide, its chemical structural formula is
。
The benzene metsulfovax is by the new type bactericide of being developed jointly by combinatorial chemistry industrial group and Ihara company, Oomycete germ to various crop has good activity, can effectively control late blight, downy mildew of garpe, downy mildew of cucurbits, the parasitic downy mildew of potato and tomato with lower dosage.The benzene metsulfovax has toxicity and the feature of environmental protection preferably, to many vegetables and fruit nonhazardous.Benzene metsulfovax chemical name [[(6-fluoro benzothiazole-2-yl)-ethylamino formoxyl]-2-methyl-propyl] carbamic acid isopropyl ester, its chemical structural formula is
。
Using chemical agent is the most effectively means of controlling plant diseases.But long-term use single chemical bactericide continuously high dose, easily cause the problems such as residual, the environmental pollution of medicament and anti-pesticide resistance fungi development.Reasonably chemical bactericide is composite or be mixed and have the expansion fungicidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay Antifungal resistance and the positive characteristics such as drug-fast generation and development, bactericide compounded is one of the effective method the most addressed the above problem.Exploitation new product bactericide price is constantly soaring, and by contrast, exploitation is efficient with research, low toxicity, low-residual composite be mixed there is small investment, the lead time is short and be subject to domestic and international attention, the numerous and confused dynamics that develops that strengthens.We filter out fluorine pyridine bacterium acid amides and benzene metsulfovax and carry out compositely on the basis of lab screening and field trial, have obvious synergistic effect.And there is no at present the people about the composite bactericidal composition of fluorine pyridine bacterium acid amides and benzene metsulfovax and application reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective pesticide sterilizing composite.Can effectively control late blight, downy mildew of garpe, downy mildew of cucurbits, the parasitic downy mildew of potato and tomato.
Technical scheme of the present invention realizes by following measures:
A kind of bactericidal composition that contains fluorine pyridine bacterium acid amides and benzene metsulfovax, active ingredient fluorine pyridine bacterium acid amides and two yuan of the benzene metsulfovax of this bactericidal composition are composite, and all the other are auxiliary element.In wherein said Pesticidal combination, the mass ratio of active ingredient fluorine pyridine bacterium acid amides and benzene metsulfovax is 1:40 ~ 40:1, described bactericidal composition of the present invention is through the toxicity test experimental verification, when the mass ratio of fluorine pyridine bacterium acid amides and benzene metsulfovax is 1:40 ~ 40:1, synergistic effect is better.
The formulations of pesticide that described bactericidal composition of the present invention can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.Wherein active ingredient fluorine pyridine bacterium acid amides and the gross mass of benzene metsulfovax in preparation account for 1%～80% of the whole quality of the pharmaceutical preparations, while wherein accounting for 5% ~ 50%, and toxicity and the residual balance preferably that reaches, cost is also lower.
The specific embodiments of the formulations of pesticide that bactericidal composition of the present invention is mixed with is as follows:
Described bactericidal composition is cream preparation, and the mass fraction of component is: 1～40 part of fluorine pyridine bacterium acid amides; 1～40 part of benzene metsulfovax; 10～30 parts of conventional emulsifiers; 20～50 parts of conventional solvents; 1～5 part of conventional synergist.The concrete production stage of this cream preparation adds emulsifier, the synergist rear oily liquids that becomes transparent and homogeneous that stirs again for first active ingredient fluorine pyridine bacterium acid amides and benzene metsulfovax being added in solvent after dissolving fully, filling, can be made into the cream preparation of the present composition.
Described bactericidal composition is suspending agent, and the mass fraction of component is: 1～40 part of fluorine pyridine bacterium acid amides; 1～40 part of benzene metsulfovax; 5～20 parts of dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; 0～10 part of penetrating agent; 0.1～5 part of pH value conditioning agent; Water, surplus.The concrete production stage of this suspending agent is for first mixing other auxiliary agents, mix through high speed shear, add active ingredient fluorine pyridine bacterium acid amides and benzene metsulfovax, in ball crusher, abrading-ball is 2～3 hours, make a diameter all below 5mm, can be made into the suspending agent preparation of the present composition.
Described bactericidal composition is wetting powder, and the mass fraction of component is: 1～40 part of fluorine pyridine bacterium acid amides; 1～40 part of benzene metsulfovax; 3～10 parts of dispersants; 1～5 part of wetting agent; Filler, surplus.The concrete production stage of this wetting powder is: by above-mentioned formula, active ingredient fluorine pyridine bacterium acid amides is mixed with benzene metsulfovax and dispersant, wetting agent and filler, uniform stirring in stirred tank, mixing after airslide disintegrating mill, can be made into the wetting powder of the present composition.
Described bactericidal composition is water dispersible granules, and the mass fraction of component is: 1～40 part of fluorine pyridine bacterium acid amides; 1～40 part of benzene metsulfovax; 3～10 parts of dispersants; 1～10 part of wetting agent; 1～5 part of disintegrant; Filler, surplus.The concrete production stage of this water dispersible granules is: by above-mentioned formula, active ingredient fluorine pyridine bacterium acid amides is mixed with benzene metsulfovax and dispersant, wetting agent, disintegrant and filler, with micro jet, pulverize, through mediating, then add in the fluidized bed prilling dryer and carry out granulation, drying, screening by sample analysis, can be made into the water dispersible granules of the present composition.
Described bactericidal composition is aqueous emulsion, and the mass fraction of component is: 1～40 part of fluorine pyridine bacterium acid amides; 1～40 part of benzene metsulfovax; 3～30 parts of emulsifier; 5～15 parts of solvents; 2～15 parts of stabilizing agents; 1～5 part of antifreezing agent; 0.1～8 part of defoamer; 0.2～2 part of thickener; Water, surplus.The concrete production stage of this aqueous emulsion is: at first fluorine pyridine bacterium acid amides and benzene metsulfovax, solvent and emulsifier, cosolvent are added together, make to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added to water, slowly add water until reach the 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, can be made into the aqueous emulsion of the present composition.
Described bactericidal composition is microemulsion, and the mass fraction of component is: 1～40 part of fluorine pyridine bacterium acid amides; 1～40 part of benzene metsulfovax; 10～30 parts of emulsifier, 1～8 part of antifreezing agent, 0.5～10 part of stabilizing agent, 20～50 parts of conventional solvent cosolvents.Fluorine pyridine bacterium acid amides and benzene metsulfovax are dissolved fully with cosolvent, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, evenly mix, finally add water, after fully stirring, can be made into microemulsion.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, the alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any or more than one any mixtures than forming in polyoxyethylene aliphatic alcohol ether.
Described solvent is dimethylbenzene or biodiesel, toluene, and diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in the water equal solvent are arbitrarily than the mixture formed.
Described dispersant is selected from polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene methyl ether condensate sulfate, the alkylsulfonate calcium salt, the naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in the fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, and Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen is phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in the 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, a kind of 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
10-20the saturated 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 present invention be take the composite bactericide that fluorine pyridine bacterium acid amides and benzene metsulfovax be active ingredient and is had obvious synergistic effect, delays the drug-fast generation in key, and has reduced to become to produce cost and use cost, can be used for the improvement of resistance disease.Can effectively control late blight, downy mildew of garpe, downy mildew of cucurbits, the parasitic downy mildew of potato and tomato.
Embodiment
For making technical scheme of the present invention, purpose and advantage are clearer, and the present invention describes with following specific embodiment, but the present invention is not limited to these examples.The mode that effect experiment of the present invention adopts indoor biometrics and field trial to combine, if no special instructions, the ratio of below mentioning is all ratio of quality and the number of copies.
Embodiment: fluorine pyridine bacterium acid amides proportioning co-toxicity experiments different from the benzene metsulfovax.
1.1 reagent agent
The former medicine of 96 % fluopicolide, the former medicine of 92% benzene metsulfovax, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test target
From the Shandong Pingdu never executed fluorine pyridine bacterium acid amides and benzene metsulfovax and cucumber of the same type potted plant gather and separate.Cucumber variety: middle peasant No. 13.
1.3 test method
1.3.1 medicament preparation
First use the former medicine of acetone solution, according to the result of preliminary experiment, two appropriate former medicines are made into to several different proportionings, then it is stand-by with acetone, each processing to be diluted to respectively to several concentration gradients.
1.3.2 chemicals treatment
By the former medicine of 96 % fluopicolide, the former medicinal acetone of 92% benzene metsulfovax is solvent dilution, is made into the 10000ug/ml mother liquor, under 4 ℃ of conditions, saves backup.
To infect No. 13 residences of cucumber variety middle peasant and fit in seedling-growing container, and be placed in greenhouse and cultivate, plant grows to three to four leaf after dates, gathers the blade of identical leaf age, for mensuration and the cultivation of cucumber downy mildew.
Cucumber downy mildew adopts the plants method at 20 ℃, under the condition of 12h alternation of light and darkness, is cultivated, and within every 30 days, turns culture once.During inoculation, with the conidium on sterile water wash-out incidence of leaf, being configured to concentration is 1 * 10
6the spore suspension of individual/ml.
1.3.3 for examination strain sensitivity testing
Adopt leaf dish moisturizing method to carry out toxicity test.First the blade of collection is prepared into to the leaf dish that diameter is 1.5cm, test is with the blank that is treated to of adding medicine not, after soaking end, leaf faces up and puts on the blotting paper wetting in the same concentrations liquid, liquid on the leaf dish is blotted, the spore suspension 10L configured is inoculated in to leaf dish central authorities, after room temperature is placed 5min, be placed under 20 ℃, the condition of 12h alternation of light and darkness and cultivate, measure the onset area on the leaf dish after 10d.
On the basis of preliminary experiment, respectively single dose fluorine pyridine bacterium acid amides and benzene metsulfovax are carried out to toxicity test in order to upper method, the EC of the two
50respectively 4.36mg/l and 4.17mg/l.
The percentage that accounts for the leaf disc area according to lesion area is divided sick level
0 grade: anosis;
1 grade: the sorus area accounts for below 5% of whole leaf area;
3 grades: the sorus area accounts for below the 6%-10% of whole leaf area;
5 grades: the sorus area accounts for below the 11%-20% of whole leaf area;
7 grades: the sorus area accounts for below the 21%-50% of whole leaf area;
9 grades: the sorus area accounts for more than 50% of whole leaf area.
1.3.4 mixture toxicity test and interpretation of result
Carry out the toxicity test of mixture according to mixed ratio by single dose toxicity test method.
If contrast lethality<5%, do not proofread and correct, the contrast lethality, between 5%-20%, is proofreaied and correct by formula 2, the contrast lethality > 20%, test need be reformed.
The logarithm value of drug concentration (mg/L) of take is independent variable x, and the probability value of corrected mortality of take is dependent variable y, sets up respectively the virulence regression equation formula, adopts DPS software to calculate the EC of single dose and each proportioning mixture
50calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (the fluorine pyridine bacterium acid amides of take is the standard medicament, and its toxicity index is 100):
The EC of the toxicity index of benzene metsulfovax (TI)=fluorine pyridine bacterium acid amides
50the LC of/benzene metsulfovax
50* 100
The EC of the true toxicity index (ATI) of M=fluorine pyridine bacterium acid amides
50the LC of/M
50* 100
The TI of the TI of the theoretical toxicity index (TTI) of M=benzene metsulfovax * P benzene metsulfovax+fluorine pyridine bacterium acid amides * P fluorine pyridine bacterium acid amides
The TTI of the ATI/M of the co-toxicity coefficient of M (CTC)=M * 100
In formula:
M is fluorine pyridine bacterium acid amides and the mixture of the different proportionings of benzene metsulfovax
P benzene metsulfovax is benzene metsulfovax shared ratio in mixture
P fluorine pyridine bacterium acid amides is fluorine pyridine bacterium acid amides shared ratio in mixture.
2.1 toxicity test result
Table 1 fluorine pyridine bacterium acid amides and the benzene metsulfovax toxicity test to cucumber downy mildew
As can be seen from the table, the result of the test of different proportion proportioning shows, dilute respectively and all show stronger synergistic effect in the active ingredient ratio, wherein take fluorine pyridine bacterium acid amides: the benzene metsulfovax as 1:20～20:1 the time the good suggestion of synergistic effect suitable proportion 1:20～20:1 left and right mixture preparation is carried out to further field control effectiveness test, to estimate its field practical application effect.
3 field trial control cucumber downy mildews, the experimental result of capsicum epidemic disease
3.1 field trial control cucumber downy mildew
3.1.1 test method
Test is at 4 points of Pingdu City cucumber Di，Mei community, Shandong investigation, and every some investigation 2 strains, put down in writing occurring degree by staging, and grade scale is as follows:
0 grade: anosis;
1 grade: the sorus area accounts for below 5% of whole leaf area;
3 grades: the sorus area accounts for below the 6%-10% of whole leaf area;
5 grades: the sorus area accounts for below the 11%-20% of whole leaf area;
7 grades: the sorus area accounts for below the 21%-50% of whole leaf area;
9 grades: the sorus area accounts for more than 50% of whole leaf area.
3.1.2 control time and number of times
Test is investigated 4 times altogether, after radix investigation, medicine, after 3 days, 7 days and medicine, within 15 days, is investigated before medicine.
3.1.3 drug effect computational methods
Sick leaf rate (%)=sick number of sheets/investigate total number of sheets * 100
Disease index=∑ (the sick numbers of sheets at different levels * relative level numerical value)/(investigating total number of sheets * 9) * 100
Control efficiency (%)=(disease index after disease index before 1-(blank district medicine * treatment region medicine)/(disease index before disease index after blank district medicine * treatment region medicine)) * 100.
3.1.4 poisoning investigation method
After dispenser, whether continuous 7d range estimation medicament has poisoning to crop.
3.1.5 result of the test and analysis
Each processes the effect (table 2) of control cucumber downy mildew
Each processes the effect of control cucumber downy mildew table 2
The Mixed Pharmacy of different proportion, tested by different consumptions as can be seen from Table 2, and after medicine, its control to cucumber downy mildew all is better than contrasting medicament, and bactericidal effect increases progressively with the increase of dosage.According to the field range estimation, in the test dose scope, plant growth is normal, and the poisoning phenomenon to cucumber does not all appear in each treatment agent, illustrates that it is safe to cucumber.Advise that the bactericide different from the mechanism of action mixes use to delay the drug-fast generation of germ.
3.2 field trial control capsicum epidemic disease
Test is located at pepper planting district, Hunan Province, and experimental field is the piece in winter slack, and capsicum epidemic disease is over the years to be occurred seriously.Field soil is fertile, and other conditions are moderate, for examination capsicum sensitive varieties Hunan, grinds No. 15.
Kind is that every processing repeats 4 times, ，Mei community, Gong20Ge community area 30m
2, random district group is arranged.5 points of every community random searching, look into 5 strains at every, records diseased plant number, dead strain number or obvious withered plant number.
Stage division: (pressing the symptom type classification) 0 grade: healthy without disease;
1 grade: overground part only leaf, fruit has scab;
3 grades: terrestrial stem, branch have the brown rot spot;
5 grades: basal part of stem has the brown rot spot;
7 grades: terrestrial stem, branch and basal part of stem all have the brown rot spot, and the part branch is withered;
9 grades: complete stool is withered.
Duration of test is investigated 4 times altogether, i.e. disease index investigation before medicine, preventive effect investigation in 3 days after medicine, 7 days and preventive effect investigation in 15 days.
Diseased plant rate (%)=diseased plant number/investigate total strain number * 100
Disease index=∑ (diseased plant numbers at different levels * relative level numerical value)/(investigating total strain number * 9) * 100
Control efficiency (%)=(disease index after disease index before 1-(blank district medicine * treatment region medicine)/(disease index before disease index after blank district medicine * treatment region medicine)) * 100.
After dispenser, whether continuous 7d range estimation medicament has poisoning to crop.
Each processes the effect (table 3) of control capsicum epidemic disease
Each processes the effect of control capsicum epidemic disease table 3
As shown in Table 3 fluorine pyridine bacterium acid amides and benzene metsulfovax with the composite control efficiency for capsicum epidemic disease of 24:24 ratio the effect apparently higher than fluorine pyridine bacterium acid amides and benzene metsulfovax single dose complex preparation, its instant effect, lasting period is also better, for the desirable medicament of preventing and treating epidemic disease, and, to capsicum safety, can effectively delay the drug-fast generation of germ.
In sum, the Bactericidal composite that the present invention contains fluorine pyridine bacterium acid amides and benzene metsulfovax, cucumber downy mildew and capsicum epidemic disease are had to good control efficiency, and it is to the target crop safety.Its mechanism of action uniqueness, have local systemic action, the ability that has inhibition germ product spore and spore to infect, and the fungi of Oomycete is had to special efficacy.Complex preparation has not only improved preventive effect, and has enlarged fungicidal spectrum, widens the scope of application, reduces costs, and multiple diseases is played to the double effect of controlling of a medicine, alleviates manpower and materials, improves productivity effect.So the invention of this complex preparation is of great significance social tool with popularization.
Claims (4)
1. a bactericidal composition that contains fluorine pyridine bacterium acid amides and benzene metsulfovax, it is characterized in that: the active ingredient of this bactericidal composition is fluorine pyridine bacterium acid amides and benzene metsulfovax binary built, all the other are auxiliary element, and wherein the mass ratio of active ingredient fluorine pyridine bacterium acid amides and benzene metsulfovax is 1～40: 40～1.
2. bactericidal composition according to claim 1, it is characterized in that: fluorine pyridine bacterium acid amides and the gross mass of benzene metsulfovax in preparation account for 1%～80% of the whole quality of the pharmaceutical preparations.
3. bactericidal composition according to claim 2, it is characterized in that: fluorine pyridine bacterium acid amides and the gross weight of benzene metsulfovax in preparation account for 5%～50% of the whole quality of the pharmaceutical preparations.
4. according to claim 1 or 2 or 3 described bactericidal compositions, it is characterized in that: the formulation of this bactericidal composition is missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion
.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103478153A (en) * | 2013-10-12 | 2014-01-01 | 京博农化科技股份有限公司 | Sterile composition containing boscalid and benthiavalicarb isopropyl |
| CN104957144A (en) * | 2015-06-22 | 2015-10-07 | 广东中迅农科股份有限公司 | Agricultural sterilization composition |
| CN106135242A (en) * | 2015-04-13 | 2016-11-23 | 南京华洲药业有限公司 | A kind of containing Boscalid and the bactericidal composition of benzene metsulfovax and application |
| CN107006501A (en) * | 2017-04-28 | 2017-08-04 | 广东广康生化科技股份有限公司 | Bactericidal composition and its application containing zoxamide and benzene metsulfovax |
-
2013
- 2013-03-12 CN CN 201310076912 patent/CN103125508A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103478153A (en) * | 2013-10-12 | 2014-01-01 | 京博农化科技股份有限公司 | Sterile composition containing boscalid and benthiavalicarb isopropyl |
| CN103478153B (en) * | 2013-10-12 | 2016-01-20 | 京博农化科技股份有限公司 | A kind of bactericidal composition containing Boscalid and benzene metsulfovax |
| CN106135242A (en) * | 2015-04-13 | 2016-11-23 | 南京华洲药业有限公司 | A kind of containing Boscalid and the bactericidal composition of benzene metsulfovax and application |
| CN104957144A (en) * | 2015-06-22 | 2015-10-07 | 广东中迅农科股份有限公司 | Agricultural sterilization composition |
| CN107006501A (en) * | 2017-04-28 | 2017-08-04 | 广东广康生化科技股份有限公司 | Bactericidal composition and its application containing zoxamide and benzene metsulfovax |
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