CN109380240B - Pesticide composition containing oxathiapiprolin and application thereof - Google Patents
Pesticide composition containing oxathiapiprolin and application thereof Download PDFInfo
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- CN109380240B CN109380240B CN201710654913.9A CN201710654913A CN109380240B CN 109380240 B CN109380240 B CN 109380240B CN 201710654913 A CN201710654913 A CN 201710654913A CN 109380240 B CN109380240 B CN 109380240B
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
-
- 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
- A01N37/36—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 at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
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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
- 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
- A01N37/44—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 at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/50—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 at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids the nitrogen atom being doubly bound to the carbon skeleton
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
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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 belongs to the field of agricultural bactericides, and particularly relates to a composition containing oxathiapiprolin and application thereof. The composition comprises a component A and a component B; the component A is selected from fluorothiazole pyrithylone, and the component B is selected from methoxy acrylate bactericides; the weight ratio of the component A to the component B is 1:1000-200: 1. The pesticide composition has good synergistic effect, and obviously improves the control effect on crop diseases. The invention combines the pesticides with different action mechanisms, thereby not only expanding the bactericidal spectrum of the medicament, but also delaying the generation of drug resistance of pathogenic bacteria and prolonging the service life of the medicament. In agricultural production, the two pesticides are used together according to the proper proportion provided by the invention, and the effects of saving labor and time can be achieved.
Description
Technical Field
The invention belongs to the field of agricultural bactericides, and particularly relates to a pesticide composition containing oxathiapiprolin and application thereof.
Background
The enestroburin, the pyraclostrobin or the eugenol belong to strobilurin type common bactericides and are widely applied to diseases of crops. However, in the agricultural production process, the drug resistance of plant pathogenic bacteria to the drugs is more and more serious due to the repeated use of the drugs for years and the single action site. On the other hand, consumer demand for reduction of pesticide residues in agricultural products and social demand for reduction of environmental problems caused by the use of chemical pesticides are also increasing. It is expected to use a composition which is highly effective and has a good control effect on plant disease fungi which have developed resistance to conventional drugs, and a method of using the same.
Disclosure of Invention
The invention aims to provide a pesticide composition containing the fluorothiazole pyrithylone, which has a synergistic effect, low use cost and good control effect.
In order to achieve the purpose, the invention adopts the technical scheme that:
a composition containing fluorothiazolepyrithylone is characterized in that: the composition comprises a component A and a component B; the component A is selected from fluorothiazole pyrithylone, and the component B is selected from methoxy acrylate bactericides; the weight ratio of the component A to the component B is 1:1000-200: 1.
The strobilurin fungicide is enestroburin B1, dimethomorph B2, pyraclostrobin B3 or eugenol B4.
The component A is selected from oxathiapiprolin, the component B is selected from enestroburin B1, enestroburin B2, pyraclostrobin B3 or eugenol B4; wherein the weight ratio of the component A to the component B is 1:500-100: 1; further preferred component B is selected from enestroburin B1, alkene oxime amine B2.
The component A is selected from oxathiapiprolin, the component B is selected from enestroburin B1, enestroburin B2, pyraclostrobin B3 or eugenol B4; wherein the weight ratio of the component A to the component B is 1:50-10: 1. Further preferred component B is selected from enestroburin B1, alkene oxime amine B2.
The application of a composition containing oxathiapiprolin in preventing and treating crop diseases.
The application method of the composition for preventing and treating crop diseases; the component A and the component B are prepared in advance according to the proper proportion or prepared on the using site or used separately and sequentially, and the obvious disease prevention effect is shown.
The concentration of the composition of the present invention used in the crop planting area is 5 to 1500mg/L (effective component content, the same applies hereinafter) and preferably 50 to 500mg/L depending on the degree of occurrence of crop diseases.
A preparation of a composition containing the fluorothiazolepyrithylone, which is mixed by taking the composition as an active component according to claim 1 and an agriculturally acceptable carrier, wherein the weight content of the active component is 0.1-95%, and preferably 5-80%.
The preparation formulation comprises a liquid preparation and a solid preparation, and is wettable powder, water dispersible granules, a suspending agent, an oil suspending agent, missible oil, an aqueous emulsion, a microemulsion, a suspoemulsion, a microcapsule suspending agent or a microcapsule suspension-suspending agent.
In particular, the method comprises the steps of,
the active components and corresponding carriers are processed into various dosage forms such as aqueous or oily suspension, powder, oil dispersion, granules and the like which are directly used or used after being mixed with water. The above-mentioned various preparations can be formulated in a known manner. For example, by mixing the active ingredient with a solvent and/or a carrier, and if necessary, an emulsifier, a dispersant, a wetting agent, and the like, and a surfactant.
Suitable solvents or auxiliaries are mainly water, benzene, xylene, toluene, alkylbenzenes, aliphatic hydrocarbons, alcohols, esters, ketones, also vegetable oils and methyl cellosolve. Also mixtures of different liquids are suitable.
Suitable surfactants are alkali metal, alkaline earth metal and ammonium salts of lignosulfonic acid, naphthalenesulfonic acid, phenolsulfonic acid, dibutylnaphthalenesulfonic acid, alkylarylsulfonates, alkylsulfates, alkylsulfonates, fatty alcohol sulfates and the like.
Suitable wetting agents are sodium lauryl sulfate, sodium dodecyl sulfate, sodium alkyl benzene sulfonate, sodium alkyl naphthalene sulfonate, sorbitan fatty acid ester polyoxyethylene ether, and the like.
The application of a preparation of a composition containing oxathiapiprolin in preventing and treating crop diseases.
The pesticide composition containing the oxathiapiprolin has obvious synergistic effect and can be used for preventing and treating various diseases on crops. The crops comprise grain crops, bean crops, fiber crops, sugar crops, melon crops, fruit crops, dry fruit crops, hobby crops, root crops, oil crops, flower crops, medicinal crops, raw material crops and green manure forage crops; the diseases comprise downy blight, rust disease, downy mildew, late blight, epidemic disease, powdery mildew, scab, gummy stem blight, anthracnose, black spot, leaf spot, brown spot, shaft rot, septoria nodorum, net spot, banded sclerotial blight, false smut, bakanae disease or loose smut.
The invention has the advantages that:
the composition disclosed by the invention is prepared by compounding and mixing the fluorothiazole pyrithylone and the enestroburin, the alkene oxime amine, the pyraclostrobin or the eugenol, so that the composition has a good synergistic interaction effect, and the control effect on crop diseases is obviously improved. The invention combines bactericides with different action mechanisms for use, and according to the suggestion of the international bactericide resistance action committee (FRAC), the combination of the bactericides with different mechanisms can delay the generation of the resistance of pathogenic bacteria to a single bactericide and prolong the service life of the medicament. In addition, in agricultural production, the two bactericides are used together according to the proper proportion provided by the invention, so that the bactericide has a synergistic effect and an improved pesticide effect, and the bactericidal spectrum of a single medicament is expanded, so that the pesticide consumption can be reduced, and various diseases can be prevented and treated by one-time use, thereby achieving the effects of saving labor and time.
Detailed Description
The synergistic effect of the compositions of the present invention on harmful pathogens is further illustrated by the following examples, but the present invention is by no means limited thereto. The active components are pesticide compositions A and B of the invention, the component A is selected from fluorothiazole pyrithylone, and the component B is selected from enestroburin, pyraclostrobin or eugenol; and all the substances are commercially available.
Preparation examples of the formulations
The active components of the preparation are A and B; the composition A is selected from fluorothiazole pyrithylone, the composition B is selected from enestroburin, pyraclostrobin or eugenol, meanwhile, the weight ratio of the composition A to the composition B is 1:1000-200:1, and different formulations are prepared according to the following modes:
suspending agent (SC)
In a stirred ball mill, 20 percent of the pulverized active component of the composition, 5 percent of sodium naphthalenesulfonate formaldehyde condensate, 0.08 percent of xanthan gum, 0.1 percent of white carbon black, 4.0 percent of agricultural emulsion 0201B, 4 percent of glycol and a little of antifoaming agent are added, and finally water is used for supplementing to 100 percent to prepare the finely-divided active component suspending agent. Diluting with water to obtain suspension, and spraying stem and leaf or irrigating soil.
Water dispersible granule (WG)
50% of the active ingredient of the composition, 12% of castor oil ethylene oxide adduct, 2% of polyvinylpyrrolidone, alkyl 10% of alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, 2.8% of phenol resin and 23.2% of gypsum, which have been finely ground, are mixed and made into water-dispersible or water-soluble granules by means of an extruder, a spray tower and a fluidized bed. Diluting with water to obtain dispersion or solution, and spraying stem and leaf or irrigating soil.
Wettable Powder (WP)
40% of the active ingredients of the composition were ground in a rotor-stator mill and added with 1.8% sodium lauryl sulfate, 10% white carbon black, 8% sodium lignosulfonate, 6% bis (alkyl) naphthalene sulfonate formaldehyde condensate, 34.2% light calcium carbonate to make a powdery preparation. Diluting with water to obtain dispersion or solution, and spraying stem and leaf or irrigating soil.
The test method and the evaluation method are as follows:
respectively dissolving the compound samples of the components A and B in acetone (the volume ratio of the amount of the acetone to the amount of the sprayed liquid is equal to or less than 0.05), diluting the compound samples with water containing 0.1% of Tween 80 to prepare the liquid to be detected with the required concentration, and then respectively mixing the prepared liquid to be detected of the components A and B with the required concentration according to a set proportion to prepare the liquid to be detected of the composition. Spraying the solution to be detected on the disease host plants on a crop sprayer, and inoculating diseases after 24 hours. According to the characteristics of diseases, plant diseases needing temperature and moisture control culture are inoculated and then cultured in a climatic chamber. After the contrast is sufficiently diseased, determining the percentage of the area of the leaves of the pathogen infected with the crops, and calculating by using an Abbot formula to obtain the observation effect (W):
W＝(1-α/β)×100
in the formula:
α: percentage of pathogen infestation of treated crops;
beta: percent pathogen infestation of untreated (placebo) crops;
an efficacy of "0" indicates that the level of infestation of the treated crop is the same as the level of infestation of the untreated control crop; an efficacy of "100" indicates that the treated crop is not infested.
The expected efficacy (calculated efficacy) of the composition was determined using the Colby formula (see r.s. Colby, Weeds (Weeds),1967,15,20-22) and compared to the observed efficacy.
E＝X+Y–XY/100
In the formula:
e: the expected efficacy (calculated efficacy in the tables below) when using the compositions of components a and B at concentrations a and B, expressed as% of untreated control;
x: the efficacy of component a at the concentration a used, expressed as% of the untreated control;
y: the efficacy of component B at the concentration B used is expressed as% of the untreated control.
When the observed efficacy value is greater than the calculated efficacy value, the composition is shown to have a synergistic effect; when the observed efficacy value is equal to the calculated efficacy value, indicating that the composition is additive; when the observed potency value is less than the calculated potency value, the composition is indicated as antagonistic.
EXAMPLE 1 control of cucumber downy mildew test (Living body)
Potted cucumber seedlings were sprayed with A, B and an aqueous solution of the composition (concentration described below), respectively, and after 24 hours, the cucumber downy mildew spore suspension was inoculated onto cucumber leaves, which were then cultured in a climatic chamber at a temperature of 24. + -. 1 ℃ and a relative humidity of 90. + -. 5%, and then placed in a greenhouse for normal cultivation, and after 7 days, the degree of pathogen infestation on the leaves was determined. The results for the activity data of the individual active components and of the compositions according to the invention for cucumber downy mildew are shown in tables 1 and 2.
The results show that the observed efficacy values of the compositions are all larger than the calculated efficacy values, and the compositions show synergistic effect within the range of the experimental mixture ratio.
TABLE 1 Activity of the Individual active ingredients
TABLE 2 Activity of the compositions of the invention
Example 2 test for controlling late blight of Potato
Potted tomato seedlings were sprayed with A, B and an aqueous solution of the composition (concentration described below), respectively, and after 24 hours, potato late blight spore suspension was inoculated onto tomato leaves, which were then cultured in a climate chamber at 20 + -1 deg.C and 90 + -5% relative humidity, and then normally cultured in a greenhouse at 20 deg.C, and after 4 days, the degree of germ infestation on the leaves was determined. The results for the individual active ingredients and the activity data of the compositions according to the invention are shown in tables 3 and 4.
The results show that the observed efficacy value (prevention effect) of the composition is larger than the calculated efficacy value, and the composition shows synergistic effect within the range of the experimental mixture ratio.
TABLE 3 Activity of the Individual active Components
TABLE 4 Activity of the compositions of the invention
EXAMPLE 3 wheat powdery mildew control test
Potted wheat seedlings were spray treated with A, B and an aqueous solution of the composition (concentration described below), respectively, and after 24 hours, the powdery mildew spore suspension was shaken off onto wheat leaves, which were then placed in a 25 + -1 deg.C greenhouse for normal culture, and after 7 days, the degree of pathogen infestation on the leaves was determined. The individual active ingredients and the data on the activity of the composition of the invention against wheat powdery mildew are shown in tables 5 and 6.
The results show that the observed efficacy values of the compositions are all larger than the calculated efficacy values, and the compositions show synergistic effect within the range of the experimental mixture ratio.
TABLE 5 Activity of the Individual active Components
TABLE 6 Activity of the compositions of the invention
Example 4 test for controlling Rice sheath blight disease
Potted rice seedlings were sprayed with A, B and an aqueous solution of the composition (concentration described below), respectively, and after 24 hours, blocks of PDA having rhizoctonia solani grown thereon were inoculated onto sheaths of rice seedlings, and then cultured in a climate chamber at a temperature of 28 ℃ and a relative humidity of 95%, and after 7 days, the degree of infection with germs on the leaves was measured. The results of the activity data of the individual active ingredients and the rice sheath blight disease of the composition of the invention are shown in tables 7 and 8.
The results show that the observed efficacy values of the compositions are all larger than the calculated efficacy values, and the compositions show synergistic effect within the range of the experimental mixture ratio.
TABLE 7 Activity of the Individual active Components
TABLE 8 Activity of the compositions of the invention
Meanwhile, various formulations obtained by the component A and the component B according to the formulation of the formulation also have the application effect of controlling crop diseases.
Claims (8)
1. A composition containing fluorothiazolepyrithylone is characterized in that: the composition comprises a component A and a component B; the component A is selected from fluorothiazole pyrithylone, and the component B is selected from methoxy acrylate bactericides; the weight ratio of the component A to the component B is 1:1000-200: 1;
the strobilurin fungicide is fenaminstrobin or pyraclostrobin.
2. A composition comprising oxathiapiprolin according to claim 1 wherein: the weight ratio of the component A to the component B is 1:500-100: 1.
3. A composition comprising oxathiapiprolin according to claim 2 wherein: the weight ratio of the component A to the component B is 1:50-10: 1.
4. Use of a composition containing oxathiapiprolin according to claim 1, characterized in that: the composition is applied to preventing and treating crop diseases.
5. A preparation of a composition containing oxathiapiprolin is characterized in that: the formulation comprises the composition of claim 1 as an active ingredient in an amount of 0.1 to 95% by weight, in admixture with an agriculturally acceptable carrier.
6. A formulation of a composition comprising oxathiapiprolin according to claim 5 wherein: the preparation is wettable powder, water dispersible granules, suspending agents, oil suspending agents, missible oil, aqueous emulsion, microemulsion, suspoemulsion, microcapsule suspending agents or microcapsule suspension-suspending agents.
7. Use of a formulation of a composition comprising oxathiapiprolin according to claim 5 wherein: the preparation is applied to preventing and treating crop diseases.
8. Use of a formulation of a composition comprising oxathiapiprolin according to claim 7 wherein: the diseases comprise downy mildew, late blight, powdery mildew, banded sclerotial blight, phytophthora parasitica, damping-off, leaf spot or rust disease.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015005355A1 (en) * | 2013-07-10 | 2015-01-15 | Ｍｅｉｊｉ Ｓｅｉｋａファルマ株式会社 | Synergistic plant disease-controlling composition comprising picolinic acid derivative |
| CN104642360A (en) * | 2013-11-19 | 2015-05-27 | 陕西汤普森生物科技有限公司 | Sterilization composition containing fluorothiazole pyriethanone and methoxyl acrylate |
| CN104663674A (en) * | 2007-10-23 | 2015-06-03 | 杜邦公司 | Fungicidal Mixtures |
| CN106212477A (en) * | 2016-07-22 | 2016-12-14 | 深圳诺普信农化股份有限公司 | Bactericidal composition and application thereof |
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- 2017-08-03 CN CN201710654913.9A patent/CN109380240B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104663674A (en) * | 2007-10-23 | 2015-06-03 | 杜邦公司 | Fungicidal Mixtures |
| WO2015005355A1 (en) * | 2013-07-10 | 2015-01-15 | Ｍｅｉｊｉ Ｓｅｉｋａファルマ株式会社 | Synergistic plant disease-controlling composition comprising picolinic acid derivative |
| CN104642360A (en) * | 2013-11-19 | 2015-05-27 | 陕西汤普森生物科技有限公司 | Sterilization composition containing fluorothiazole pyriethanone and methoxyl acrylate |
| CN106212477A (en) * | 2016-07-22 | 2016-12-14 | 深圳诺普信农化股份有限公司 | Bactericidal composition and application thereof |
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