CN106922729A - Bactericidal composition and its application - Google Patents
Bactericidal composition and its application Download PDFInfo
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- CN106922729A CN106922729A CN201710279913.5A CN201710279913A CN106922729A CN 106922729 A CN106922729 A CN 106922729A CN 201710279913 A CN201710279913 A CN 201710279913A CN 106922729 A CN106922729 A CN 106922729A
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- mandestrobin
- procymidone
- bactericidal composition
- mass ratio
- suspending agent
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/32—Cyclic imides of polybasic carboxylic acids or thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of bactericidal composition, its active ingredient is mandestrobin and procymidone, and both mass ratioes are 1:50~50:1.The present composition can be used for prevent and treat crops on multiple diseases, be particularly suited for preventing and treating sclerotiniose and gray mold, with dosage it is low, synergistic effect is obvious, security is good the features such as.
Description
Technical field
The present invention relates to a kind of composition pesticide, more particularly to a kind of bactericidal composition containing mandestrobin and its
The application of disease, belongs to technical field of pesticide on preventing and treating crops.
Background technology
Mandestrobin is the methoxy acrylic bactericide of SUMITOMO CHEMICAL exploitation, is that cytochrome b c1 is combined
Thing inhibitor, the features such as with wide spectrum, interior suction, preventative pesticide supplying effect is optimal.In recent years in European Union, Canada and the big profit of Australia
Asia registered, be mainly used in preventing and treating kernel approaches (apricot, cherry, peach, Lee) brown rot, fruit white rot of grape, gray mold and powdery mildew,
The diseases such as grey mould fruit rot of strawberry, sclerotinia rot of colza and Diseases of Turfgrass, effective ingredient consumption is 210-420g/hm2.It is particularly suitable for
Compounding exploitation is carried out from the bactericide of the different mechanisms of action.
Procymidone, english common name：Procymidone, belongs to dicarboximide's class systemic fungicide, mainly presses down
The synthesis of triglycerides in thalline processed, the double action with protection and treatment.There is spy to Botrytis and Sclerotinia fungi
Effect, can prevent and treat the diseases such as fruit tree, the gray mold of vegetable crop, sclerotiniose, brown spot, and the fungi of resistance is produced to benzimidazole
Also it is effective.But because using for many years, resistance rises obvious, effect decline, causes dosage to increase notable.It is badly in need of and other changes
Compound compounding exploitation, so as to increase the service life, reduces field usage amount.
At present, there is not yet procymidone carries out compounding exploitation with mandestrobin, in particular for sclerotiniose and gray mold
Relevant report.
The content of the invention
It is an object of the invention to provide a kind of synergistic effect it is obvious, dosage is low, security good, be adapted to agriculturally produce
The bactericidal composition for using.
To achieve the above object of the invention, the technical solution adopted by the present invention is：
A kind of bactericidal composition, it is characterised in that：Contain active ingredient mandestrobin and procymidone, both quality
Than being 1:50-50:1, preferred mass ratio is 1:10-10:1, more preferably mass ratio is 1:5-5:1.
The gross mass percentage composition of the bactericidal composition active ingredient be 5%-80%, remaining be auxiliary agent, carrier and its
He is beneficial to the effective ingredient known substance that stabilization and drug effect are played in storage and use.
The bactericidal composition can be prepared with conventional method, i.e. the active compound containing effective ingredient and suitable auxiliary agent, can
To be processed into any formulation for agriculturally allowing, preferable formulation have missible oil, microemulsion, aqueous emulsion, suspending agent, dry suspending agent,
Microcapsule suspending agent, water dispersible granules, wettable powder or soluble granule.
Powdery mildew, gray mold, brown rot, sclerotiniose, full rot, morning of the bactericidal composition on Different Crop is prevented and treated
The application of the diseases such as epidemic disease, being particularly well-suited to preventing and treating includes the application of gray mold and sclerotiniose.
Bactericidal composition of the present invention compared with prior art, can at least produce following beneficial effect：
(1) after two kinds of active ingredients are compounded according to the above ratio in the present composition, with notable synergistic effect, can be effective
Delay the drug-fast generation of pathogen；
(2) production Pesticides usage amount and access times are effectively reduced, production and use cost is reduced, further effectively
Reduce environmental pollution and residues of pesticides.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment in the present invention
Appearance is described further, but the present invention is limited to absolutely not these examples.
After the pesticide active ingredient mixing of different types of structure, typically exhibit three kinds of type of action, i.e. summation action, increase
Effect is acted on and antagonism, but is specially which kind of effect, it is impossible to predicted, only just be can know that by substantial amounts of experiment.
Assays Example 1：Mandestrobin compounds the Toxicity Determination to Botrytis cinerea germ with procymidone
Experiment
Subjects：Wild responsive type Botrytis cinerea bacterial strain (Botrytis cinerea Pers)
Test method：
Suppress method using blade to determine (with reference to NY/T 1156.9-2008).On the basis of trial test, will
Mandestrobin is configured to required concentration with procymidone active compound, stand-by；From for examination strawberry on clip be sufficiently spread out, leaf age one
Cause, the healthy leaves with 1cm-2cm petioles, wrap up petiole and are placed in culture dish with wet cotton balls, and moisturizing is standby；Liquid is equal
It is even to spray in vacuum side of blade, 10 leaves are often processed, it is repeated 4 times.After after liquid natural air drying, each treatment blade and blade is dorsad gone up,
Moisturizing in culture dish is emitted on after being marked by treatment, and sets the treatment that effect composition is not contained containing only solvent and surfactant
Make blank.After chemicals treatment 24h, the one side that diameter 5mm bacterial plaques have mycelia is inoculated in treatment vacuum side of blade with inoculator.
Ware lid is covered after inoculation, growth cabinet is placed in, in 23 DEG C -25 DEG C, relative humidity 80%-90% and 12h alternation of light and darkness (light intensity
7d is cultivated under conditions of 5000Lux-10000Lu).Depending on the investigation of blank incidence.Hung down with right-angled intersection with slide measure
Straight method measurement lesion diameter is each once to average, and unit is mm.
Statistical analysis is carried out with DPS statistical analysis softwares, the EC of each medicament is calculated50, and mixture is calculated according to the abundant methods of Sun Yun
Co-toxicity coefficient (CTC).
The computing formula of co-toxicity coefficient is as follows：
Actual measurement toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
In theoretical toxicity index (TTI)=A medicaments ATI × mixture in the percentage composition+B medicaments ATI × mixture of A B hundred
Divide content
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100
When CTC≤80, then composition shows as antagonism, and as 80 ＜ CTC ＜ 120, then composition shows as being added and makees
With when CTC >=120, then composition shows as synergistic effect.Toxicity Determination is the results detailed in Table 1.
The mandestrobin of table 1 compounds the Toxicity Determination result of the test to Botrytis cinerea germ with procymidone
Toxicity Determination result of the test shows in table 1, and mandestrobin is compounded 1 with procymidone:50-50:1 proportioning
In the range of 120 are all higher than to the toxicity test co-toxicity coefficient of Botrytis cinerea, show as synergistic effect.Particularly match 1:
5-5:When between 1, listed proportioning co-toxicity coefficient is above 200, and synergistic effect is most obvious.
Assays Example 2：Mandestrobin compounds the Toxicity Determination to Sclerotinia sclerotiorum with procymidone
Experiment
Subjects：Sclerotinia rot of colza (Sclerotinia sclerotiorum (Lib.) de Bary)
Test method：
Using indoor growing performance rate method, (Zhou Feng, the synergy of Tebuconazole and dimethachlon compounding to sclerotinia rot of colza pathogen is made
With 2013,52 (8)：602-605).On the basis of trial test, mandestrobin is configured to from procymidone active compound different dense
The PDA culture medium flat board of degree, 1 fresh Sclerotinia sclerotiorum cake of diameter 6mm is accessed in each flat board center, and each treatment is set
4 repetitions, 48h is cultivated in 26 DEG C of incubators, and colony diameter is measured using crossing method, takes its average value, and unit is mm.
CTC (co-toxicity coefficient) uses the abundant methods of Sun Yun, with specific reference to method described in Assays Example 1.
The mandestrobin of table 2 compounds the Toxicity Determination result of the test to Sclerotinia sclerotiorum with procymidone
Toxicity Determination result of the test shows in table 2, and mandestrobin is compounded 1 with procymidone:50-50:1 proportioning
In the range of 120 are all higher than to the toxicity test co-toxicity coefficient of Sclerotinia sclerotiorum, show as synergistic effect.Particularly match 1:5-
5:When between 1, listed proportioning co-toxicity coefficient is above 200, and synergistic effect is most obvious.
Bactericidal composition of the present invention can be according to the crop of required preventing and treating, local environment condition, prevention and controls, cost accounting
Deng various factors, acceptable formulation during effective ingredient is processed into pesticides application together with auxiliary agent and carrier, preferable agent
Type has missible oil, microemulsion, aqueous emulsion, suspending agent, dry suspending agent, microcapsule suspending agent, water dispersible granules, wettable powder or solvable
Granula.Adjuvant used, carrier and process technology are using known component.In above-mentioned various formulations, effective active in composition
The gross mass percentage composition of composition is 5%-80%, for example, when mandestrobin and procymidone weight/mass percentage composition are respectively
When 5% and 1%, gross mass percentage composition is 6%.
Example of formulations 1：
51%mandestrobin ﹒ procymidone water dispersible granules
Weigh mandestrobin active compounds, procymidone active compound and corresponding additive in mass ratio, using wet granulation it is size-reduced,
Be mixed, granulate, sieve after be obtained water dispersible granules of the present invention.
Mandestrobin can be 50 with the mass ratio of procymidone in the present embodiment：1~1：Change between 50, Liang Zhezong
Weight/mass percentage composition be still 51%, form new embodiment.
Example of formulations 2：
51%mandestrobin ﹒ procymidone wettable powders
Mandestrobin active compounds, procymidone active compound and corresponding additive are weighed in mass ratio, by filler, active compound, auxiliary agent
Mixture, it is levigate, mixing etc. operation be obtained wettable powder of the present invention.
The mass ratio of mandestrobin and procymidone can be 50 in the present embodiment：1~1：50 (examples 50：1、10：1、1：
1、1：10、1:50) change between, both total weight/mass percentage compositions are still 51%, form new embodiment.
Example of formulations 3：
22%mandestrobin ﹒ procymidone missible oil
Weigh mandestrobin active compounds, procymidone active compound and emulsifying agent, solvent in mass ratio, by mandestrobin,
Procymidone active compound, most of turpentine-based vegetable oil ND-45 input modulation kettles, start agitator and are mixed, and original is made under agitation
Medicine is dissolved in solvent；After (if needing cooling when temperature is higher) after active compound all dissolving, agriculture breast 600#, agriculture breast are added
2000# and remaining solvent continue to mix, and temperature in the kettle is down into room temperature after mixing, that is, missible oil system of the present invention is obtained
Agent.
Mandestrobin can be 50 with the mass ratio of procymidone in the present embodiment：1~1：50 (examples 50：1、10：1、1：
1、1：10、1:50) change between, both total weight/mass percentage compositions are still 22%, form new example of formulations.
Example of formulations 4：
11%mandestrobin ﹒ procymidone aqueous emulsions
By recipe requirements, mandestrobin active compounds, procymidone active compound, cosolvent, emulsifying agent, antifreezing agent etc. are mixed and is stirred
Mix dissolving and be made oil phase, under 60-90r/min stirrings and high shear forces, deionized water is directly added into oil phase, stir about
30min, obtains final product aqueous emulsion product of the present invention.
Mandestrobin can be 50 with the mass ratio of procymidone in this example of formulations：1~1：50 (examples 50：1、10：
1、1：1、1：10、1:50) change between, both total weight/mass percentage compositions are still 11%, form new embodiment.
Example of formulations 5：
24%mandestrobin ﹒ procymidone microemulsions
By recipe requirements, mandestrobin active compounds, procymidone active compound, cosolvent, emulsifying agent are mixed into dissolving system
Into oil phase, under 60-90r/min stirring actions, deionized water is directly added into oil phase, stirs 15-30min, obtain transparent liquid
Body.Microemulsion of the present invention is obtained final product after analyzing each qualified.
Mandestrobin can be 50 with the mass ratio of procymidone in the present embodiment：1~1：50 (examples 50：1、10：1、1：
1、1：10、1:50) change between, both total weight/mass percentage compositions are still 24%, form new embodiment.
Example of formulations 6：
48%mandestrobin ﹒ procymidone suspending agents
According to formula, in the dispersion tank for having high speed agitator, active compound and sodium lignin sulfonate are dispersed in water, slightly
Crush active compound；This mixture constant displacement pump through coarse crushing is continually fed into grater, is carried out finely pulverized；With medium
Separate, the material of discharge sends into last blending tank, and the methocel solution for modulating in addition is added blending tank, and crushed
Material equably mix, obtain final suspending agent.
Mandestrobin can be 50 with the mass ratio of procymidone in the present embodiment：1~1：50 (examples 50：1、10：1、1：
1、1：10、1:50) change between, both total weight/mass percentage compositions are still 48%, form new embodiment.
Example of formulations 7：
42%mandestrobin ﹒ procymidone suspending agents
According to formula, in the dispersion tank for having high speed agitator, active compound and sodium lignin sulfonate are dispersed in water, slightly
Crush active compound；This mixture constant displacement pump through coarse crushing is continually fed into grater, is carried out finely pulverized；With medium
Separate, the material of discharge sends into last blending tank, and the xanthans for modulating in addition is added blending tank, equal with the material crushed
Mix evenly, obtain final suspending agent.
Mandestrobin can be 50 with the mass ratio of procymidone in the present embodiment：1~1：50 (examples 50：1、10：1、1：
1、1：10、1:50) change between, both total weight/mass percentage compositions are still 42%, form new embodiment.
Example of formulations 8：
60%mandestrobin procymidone dry suspending agents
Weigh in mass ratio mandestrobin active compounds, procymidone active compound and corresponding additive, filler etc. be mixed into it is homogeneous
Powder, is passed through the water slurry that certain solid content is obtained through being sanded for sand mill, and average grain diameter is 2 μm -5 μm, then hangs water
Supernatant liquid is by being spray-dried granulating, so as to final dry suspending agent is obtained.
Mandestrobin can be 50 with the mass ratio of procymidone in the present embodiment：1~1：50 (examples 50：1、10：1、1：
1、1：10、1:50) change between, both total weight/mass percentage compositions are still 60%, form new embodiment.
Example of formulations 9：
44%mandestrobin ﹒ procymidone microcapsule suspending agents
Mandestrobin active compounds, procymidone active compound and corresponding additive etc. are weighed in mass ratio, are mixed, compounding kettle stirring,
Oil phase, then clipped dispersion solidify afterwards encystation mixed with water are made, microcapsule suspending agent product is obtained.
Mandestrobin can be 50 with the mass ratio of procymidone in the present embodiment：1~1：50 (examples 50：1、10：1、1：
1、1：10、1:50) change between, both total weight/mass percentage compositions are still 44%, form new embodiment.
Example of formulations 10：
80%mandestrobin ﹒ procymidone soluble granules
Weigh mandestrobin active compounds, procymidone active compound and corresponding additive etc. in mass ratio, it is size-reduced, mix, mediate,
After extruding, dry filter, soluble granule product is obtained.
Mandestrobin can be 50 with the mass ratio of procymidone in the present embodiment：1~1：50 (examples 50：1、10：1、1：
1、1：10、1:50) change between, both total weight/mass percentage compositions are still 80%, form new embodiment.
Example of formulations 11
5%mandestrobin procymidone aqueous emulsions
By recipe requirements, mandestrobin active compounds, procymidone active compound, cosolvent, emulsifying agent, antifreezing agent etc. are mixed and is stirred
Mix dissolving and be made oil phase, under 60-90r/min stirrings and high shear forces, deionized water is directly added into oil phase, stir about
30min, obtains final product aqueous emulsion product of the present invention.
Mandestrobin can be 50 with the mass ratio of procymidone in this example of formulations：1~1：50 (examples 50：1、10：
1、1：1、1：10、1:50) change between, both total weight/mass percentage compositions are still 5%, form new embodiment.
Field information embodiment 1：Mandestrobin compounds the field control effectiveness test to grey mould fruit rot of strawberry with procymidone
Experiment is carried out in Huaihua City Zhi Jiang counties of Hunan Province strawberry cultivating garden, and experimental field former years gray mold occurs serious.Experiment
Medicament and dosage refer to table 3, often process 4 repetitions, per cell 40m2, totally 56 cells, random district's groups arrangement.Using conventional spray
Mist method, liquid consumption is 750L/hm2, complete stool is uniformly sprayed, it is degree to squirt blade and not drip.First is carried out at the initial stage of a disease
Secondary dispenser, carries out second dispenser after 10 days, separately set clear water and be processed as blank.State of an illness radix, second are investigated before dispenser
Before secondary dispenser and second dispenser after 7 days investigation prevention effects.Per the 5 points of samplings of cell diagonal, 50 fruits of every investigation, note
Record total fruit number and disease fruit number, calculate diseased fruit rate, prevention effect (with reference to GB/T 17980.120-2004).
The mandestrobin of table 3 compounds the field control effectiveness test result to grey mould fruit rot of strawberry with procymidone
Field information embodiment 2：Mandestrobin compounds the field control effectiveness test to sclerotinia rot of colza with procymidone
Experiment is carried out in ChangSha, Hunan Province county rape base, and experimental field former years sclerotinia rot of colza occurs serious.Test medicine
And dosage refers to table 4,4 repetitions are often processed, per cell 30m2, totally 50 plants, totally 56 cells, random district's groups arrangement.Using normal
Rule spray-on process, liquid consumption is 750L/hm2, complete stool is uniformly sprayed, it is degree to squirt blade and not drip.In cane early stage
First time dispenser is carried out, second dispenser is carried out after 14 days, separately set clear water and be processed as blank.State of an illness base is investigated before dispenser
Number, 14 days investigation prevention effects after second dispenser.Per the 10 points of investigation of cell checkerboard type, every is investigated 5 plants, is accounted for by onset area
The percentage of stem surface area is classified (with reference to GB/T 17980.35-2000), calculates disease index and prevention effect.
The mandestrobin of table 4 compounds the field control effectiveness test result to sclerotinia rot of colza with procymidone
Claims (6)
1. a kind of bactericidal composition, it is characterised in that：The active ingredient of the bactericidal composition is that mandestrobin and corruption are mould
Profit, both mass ratioes are 1:50-50:1.
2. bactericidal composition according to claim 1, it is characterised in that：Active ingredient mandestrobin and procymidone
Mass ratio is 1:10-10:1.
3. bactericidal composition according to claim 2, it is characterised in that：Active ingredient mandestrobin and procymidone
Mass ratio is 1:5-5:1.
4. the bactericidal composition according to any one of claims 1 to 3, it is characterised in that：Effective ingredient is total in composition
Weight/mass percentage composition is 5%-80%.
5. bactericidal composition according to claim 4, it is characterised in that：Missible oil, microemulsion, water and milk are made during practical application
Agent, suspending agent, dry suspending agent, microcapsule suspending agent, water dispersible granules, wettable powder or soluble granule.
6. application of the bactericidal composition described in claim 1 in preventing and treating crops sclerotiniose and gray mold.
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| CN201710279913.5A CN106922729A (en) | 2017-04-26 | 2017-04-26 | Bactericidal composition and its application |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836634B (en) * | 2010-06-02 | 2013-05-08 | 利尔化学股份有限公司 | Sterilizing pesticide composition containing azoxystrobin as well as application thereof |
| CN103250717A (en) * | 2012-02-17 | 2013-08-21 | 陕西美邦农药有限公司 | Bactericidal composition containing procymidone |
| CN103918653A (en) * | 2014-03-31 | 2014-07-16 | 海利尔药业集团股份有限公司 | Bactericidal composition containing picoxystrobin and procymidone |
| CN104982447A (en) * | 2011-03-17 | 2015-10-21 | 陕西汤普森生物科技有限公司 | Bactericidal composition containing pyraclostrobin and dihydroxy imides |
-
2017
- 2017-04-26 CN CN201710279913.5A patent/CN106922729A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836634B (en) * | 2010-06-02 | 2013-05-08 | 利尔化学股份有限公司 | Sterilizing pesticide composition containing azoxystrobin as well as application thereof |
| CN104982447A (en) * | 2011-03-17 | 2015-10-21 | 陕西汤普森生物科技有限公司 | Bactericidal composition containing pyraclostrobin and dihydroxy imides |
| CN103250717A (en) * | 2012-02-17 | 2013-08-21 | 陕西美邦农药有限公司 | Bactericidal composition containing procymidone |
| CN103918653A (en) * | 2014-03-31 | 2014-07-16 | 海利尔药业集团股份有限公司 | Bactericidal composition containing picoxystrobin and procymidone |
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Application publication date: 20170707 |