CN101999356B - Sterilization composition containing fluopicolide and metalaxyl and application thereof - Google Patents
Sterilization composition containing fluopicolide and metalaxyl and application thereof Download PDFInfo
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- CN101999356B CN101999356B CN 201010571938 CN201010571938A CN101999356B CN 101999356 B CN101999356 B CN 101999356B CN 201010571938 CN201010571938 CN 201010571938 CN 201010571938 A CN201010571938 A CN 201010571938A CN 101999356 B CN101999356 B CN 101999356B
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Abstract
The invention discloses a sterilization composition containing fluopicolide and metalaxyl and application thereof. The sterilization composition contains the fluopicolide, the metalaxyl and pesticide preparation auxiliary components, wherein the weight part ratio of the fluopicolide to the metalaxyl is 5:1-1:15; and the formulation of the sterilization composition is one of oil suspending agent, wettable powder, water dispersible granules, effervescent tablets and aqueous suspending agent. The sterilization composition is used for preventing and controlling cucumber downy mildew. The sterilization composition has obvious synergy on prevention and control effects compared with a single agent, reduces the consumption of pesticides, reduces the application cost, prolongs the service life of preparations, and reduces the adverse effect of the pesticides on the ecological environment.
Description
Technical field
The bactericidal composition that the present invention relates to is take fluopicolide and metalaxyl as active ingredient, is used for preventing and treating the crop pest on agricultural, is particularly useful for preventing and treating cucumber downy mildew.
Background technology
In the crop growth process, easily be subject to various diseases dip-dyes, particularly fungal disease, its kind is many, causes harm serious, and for a long time, chemical control is to prevent and treat the main effective means of disease.Yet, due to single drug and not Scientific Usage of Drugs for a long time, caused many pathogens to produce resistance to the agricultural chemicals of current use, using dosage and medication number of times increase the development that still is difficult to effectively control disease year by year, simultaneously, agricultural chemicals to the harm of ecotope also increase thereupon, also difficult secure to the safety of crop.Therefore, be badly in need of the bactericide new varieties of efficient, low toxicity, safety, environmental protection.
Fluopicolide, english common name fluopicolide, the platymiscium source bactericide, this medicine protectiveness is good, permeability is strong, and the true guiding principle fungus diseases of oomycetes is had higher biologically active, has good control efficiency.Can protect blade not to be subjected to infection process after young shoot is processed from the conduction of leaves of plants basal orientation blade tip direction, can also distribute from root along the plant xylem to whole strain crop.
Metalaxyl; english common name metalaxyl; belong to the anilide bactericide; it is a kind of systemic fungicide with protection and therapeutic action; can be absorbed by the root of plant, stem, leaf, and transfer to each organ of plant with moisture content in plant corpus, can make cauline leaf and process; seed treatment and soil treatment are effective to downy mildew, phytophthora, the caused disease of pythium spp.Because metalaxyl uses for years, disease has produced serious pesticide resistance.
Being mixed of different pesticide species is the common methods of the agriculture resistance disease of control.Screening by formulation of pesticide, filter out rational formula, can effectively improve actual control efficiency, reduce dosage, reduce costs, delay the generation of disease drug resistance, is the important means of the disease comprehensive regulation.Fluopicolide and metalaxyl are mixed and have larger synergistic effect, there is no at present relevant report.
Summary of the invention
The technical problem that the present invention need solve be to provide a kind of efficient, low toxicity and the lasting period long, be applied to administer the bactericidal composition that contains fluopicolide and metalaxyl of cucumber downy mildew.
For addressing the above problem, the technical solution adopted in the present invention is: a kind of bactericidal composition that contains fluopicolide and metalaxyl, the ratio of weight and number of fluopicolide and metalaxyl are 5: 1～1: 15.
The present invention also contains the required auxiliary element of preparation pesticidal preparations, comprise one or more mixing in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler, medium etc., be known substance, various auxiliary agents commonly used in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The present invention can according to well known to a person skilled in the art method, be mixed with the application forms of the suitable agricultural uses such as oil-suspending agent, wetting powder, water dispersible granules, effervescent tablet, aqueous suspension agent.
The present invention is used for the control of disease control, the especially cucumber downy mildew of the crops such as cucumber, tomato, grape, lupulus, vegetables, cucurbit.
Early stage or the use of disease initial stage of origination should occur in disease in the present invention when using.
The present invention adopts the method for spraying to use usually, also can adopt as required upper other operation techniques used of agricultural.
Composition pesticide provided by the invention has following beneficial effect:
1, the present invention shows obvious synergistic effect in certain ratio range, and control efficiency is significantly improved than single dose, has reduced the using dosage of agricultural chemicals, has reduced drug cost, has reduced the adverse effect of agricultural chemicals to ecotope;
2, the combination of two kinds of bactericide of the present invention, enlarged fungicidal spectrum;
3, two kinds of effective ingredient mechanism of action provided by the invention are different, can overcome the long-term single shortcoming that makes with medicament easily produce resistance, extend the service life of medicament.
4, the present invention is to crop safety.
Embodiment
In order to understand better essence of the present invention, be described further by following examples, but the present invention is not limited to these embodiment.In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Embodiment 1 (12% fluopicolide metalaxyl oil-suspending agent)
Fluopicolide 10%, metalaxyl 2%, emulsifier fatty alcohol-polyoxyethylene ether 4%, calcium dodecyl benzene sulfonate 5%, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 3%, defoamer epoxidized soybean oil 1%, antifreezing agent glycerine 0.5%, surplus are methylated vegetable oil.Above-mentioned formula is added in mixing kettle in proportion successively, namely make 12% fluopicolide metalaxyl oil-suspending agent after stirring.
This embodiment is used for the control cucumber downy mildew, and 12% 70 g/acres of fluopicolide metalaxyl oil-suspending agent consumptions are watered spraying, and after medicine, 7 days, 14 days preventive effects are 77.2%, 85.6%.687.5 70 g/acres of grams per liter fluopicolide Propamocarb salt suspension agent consumptions are watered spraying, after medicine, 10 days, 15 days preventive effects are 73.6%, 84.7%.58% 160 g/acres of mancozeb metalaxyl wetting powder consumptions are watered spraying, and after medicine, 10 days, 15 days preventive effects are 70.1%, 81.3%.
12% fluopicolide metalaxyl oil-suspending agent control cucumber downy mildew successful is better than 687.5 grams per liter fluopicolide Propamocarb salt suspension agent and 58% mancozeb metalaxyl wetting powder, illustrate that fluopicolide of the present invention and metalaxyl composition can prevent and treat cucumber downy mildew preferably, reduce dosage, reduce costs, delay the generation of disease drug resistance.
Embodiment 2 (30% fluopicolide metalaxyl wetting powder)
Fluopicolide 15%, metalaxyl 15%, wetting agent pull open powder 3%, dispersant naphthalenesulfonate formaldehyde condensation compound 6%, filler talcum powder 15%, surplus is filler kaolin.Above-mentioned formula is entered in blender after coarse crushing in proportion mix, more namely make 30% fluopicolide metalaxyl wetting powder after air-flow crushing.
This embodiment is used for the control cucumber downy mildew, and 30% 20 g/acres of fluopicolide metalaxyl wetting powder consumptions are watered spraying, and after medicine, 7 days, 14 days preventive effects are 87.4%, 93.3%.687.5 70 g/acres of grams per liter fluopicolide Propamocarb salt suspension agent consumptions are watered spraying, after medicine, 10 days, 15 days preventive effects are 73.6%, 84.7%.58% 160 g/acres of mancozeb metalaxyl wetting powder consumptions are watered spraying, and after medicine, 10 days, 15 days preventive effects are 70.1%, 81.3%.
30% fluopicolide metalaxyl wetting powder control cucumber downy mildew successful is better than 687.5 grams per liter fluopicolide Propamocarb salt suspension agent and 58% mancozeb metalaxyl wetting powder, illustrate that fluopicolide of the present invention and metalaxyl composition can prevent and treat cucumber downy mildew preferably, reduce dosage, reduce costs, delay the generation of disease drug resistance.
Embodiment 3 (12% fluopicolide metalaxyl water dispersible granules)
Fluopicolide 2%, metalaxyl 10%, wetting agent lauryl sodium sulfate 6%, dispersant polycarboxylate 4%, disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stabilizing agent soluble starch 3%, surplus is carrier kaolin.Dry pulverization process, granulation, drying, screening make 12% fluopicolide metalaxyl water dispersible granules in proportion with above-mentioned formula.
This embodiment is used for the control cucumber downy mildew, and 12% 70 g/acres of fluopicolide metalaxyl water dispersible granules consumptions are watered spraying, and after medicine, 7 days, 14 days preventive effects are 88.7%, 95.1%.687.5 70 g/acres of grams per liter fluopicolide Propamocarb salt suspension agent consumptions are watered spraying, after medicine, 7 days, 14 days preventive effects are 73.6%, 84.7%.58% 160 g/acres of mancozeb metalaxyl wetting powder consumptions are watered spraying, and after medicine, 10 days, 15 days preventive effects are 70.1%, 81.3%.
12% fluopicolide metalaxyl water dispersible granules control cucumber downy mildew successful is better than 687.5 grams per liter fluopicolide Propamocarb salt suspension agent and 58% mancozeb metalaxyl wetting powder, illustrate that fluopicolide of the present invention and metalaxyl composition can prevent and treat cucumber downy mildew preferably, reduce dosage, reduce costs, delay the generation of disease drug resistance.
Embodiment 4 (11% fluopicolide metalaxyl effervescent tablet)
Fluopicolide 1%, metalaxyl 10%, neopelex 5%, calcium dodecyl benzene sulfonate 3%, thickener polyvinyl alcohol 4%, sodium bicarbonate 30%, anhydrous citric acid 32%, surplus is microcrystalline cellulose.Above-mentioned formula Central Plains medicine, auxiliary agent are crushed to certain fineness through cracker; After the tablet press machine compressing tablet; Make 11% fluopicolide metalaxyl effervescent tablet.
This embodiment is used for the control cucumber downy mildew, and 11% 70 g/acres of fluopicolide metalaxyl effervescent tablet consumptions are watered spraying, and after medicine, 10 days, 20 days preventive effects are 84.1%, 87.7%.687.5 70 g/acres of grams per liter fluopicolide Propamocarb salt suspension agent consumptions are watered spraying, after medicine, 7 days, 14 days preventive effects are 73.6%, 84.7%.58% 160 g/acres of mancozeb metalaxyl wetting powder consumptions are watered spraying, and after medicine, 10 days, 15 days preventive effects are 70.1%, 81.3%.
11% fluopicolide metalaxyl effervescent tablet control cucumber downy mildew successful is better than 687.5 grams per liter fluopicolide Propamocarb salt suspension agent and 58% mancozeb metalaxyl wetting powder, illustrate that fluopicolide of the present invention and metalaxyl composition can prevent and treat cucumber downy mildew preferably, reduce dosage, reduce costs, delay the generation of disease drug resistance.
Embodiment 5 (16% fluopicolide metalaxyl aqueous suspension agent)
Fluopicolide 1%, metalaxyl 15%, emulsifier triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 3%, wetting agent calcium dodecyl benzene sulfonate 3%, dispersant alkylphenol polyoxyethylene formaldehyde condensation products sulphate 2%, antifreeze glycol 0.2%, stabilizing agent xanthan gum 0.1%, defoamer organosilicon 0.4%, glycerine 5%, thickener gum Arabic 0.1%, surplus are deionized water.Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, allotment making 16% fluopicolide metalaxyl aqueous suspension agent after high shear mixing.
This embodiment is used for the control cucumber downy mildew, and 16% 25 g/acres of fluopicolide metalaxyl aqueous suspension agent consumptions are watered spraying, and after medicine, 10 days, 20 days preventive effects are 83.8%, 87.2%.687.5 70 g/acres of grams per liter fluopicolide Propamocarb salt suspension agent consumptions are watered spraying, after medicine, 7 days, 14 days preventive effects are 73.6%, 84.7%.58% 160 g/acres of mancozeb metalaxyl wetting powder consumptions are watered spraying, and after medicine, 10 days, 15 days preventive effects are 70.1%, 81.3%.
16% fluopicolide metalaxyl aqueous suspension agent control cucumber downy mildew successful is better than 687.5 grams per liter fluopicolide Propamocarb salt suspension agent and 58% mancozeb metalaxyl wetting powder, illustrate that fluopicolide of the present invention and metalaxyl composition can prevent and treat cucumber downy mildew preferably, reduce dosage, reduce costs, delay the generation of disease drug resistance.
Biologicall test embodiment 1: fluopicolide and metalaxyl are mixed to make up the cucumber downy mildew virulence are measured
Be mixed to the virulence of bacterium of downy mildew of cucumber for further understanding fluopicolide and metalaxyl, the inventor is mixed to fluopicolide and metalaxyl and has carried out a large amount of formulation screening tests.
Selecting susceptible cucumber variety is Chang Chun Mi Ci, and seedling grows to 4-6 sheet leaf period.Wash the sick leaf Pseudoperonospora cubensis of cucumber downy mildew sporangium with 4 ℃ of distilled water, (concentration is every milliliter 1 * 10 to be made into suspension
5Individual～1 * 10
7Individual sporangium), deposit under 4 ℃ standby.
With the former medicine of acetone solution fluopicolide and the former medicine of metalaxyl, according to the result of preliminary experiment, two appropriate former medicines are made into different proportionings, then with the aqueous solution that contains surfactant 0.1% Tween 80, each are processed that to be diluted to respectively 5 series concentration gradients stand-by.The fluopicolide dilution is 8mk/kg, 4mk/kg, 2mk/kg, 1mk/kg, 0.5mk/kg, 0.1mk/kg; The metalaxyl dilution is 160mk/kg, 80mk/kg, 40mk/kg, 20mk/kg, 10mk/kg, 5mk/kg; Five kinds of different proportionings of fluopicolide and metalaxyl (ratio of effective ingredient is 5: 1,1: 1,1: 5,1: 10,1: 15) dilution is 32mk/kg, 16mk/kg, 8mk/kg, 4mk/kg, 2mk/kg.
Select the consistent cucumber seedling of growth, each processing selects 5 basins for the examination cucumber seedling, spray under 50PSI pressure with the Pottor spray tower, and the about 20ml of every basin.After chemicals treatment, 24h connects bacterium, the sick leaf of the cucumber downy mildew that picks up from the field is evenly shaken off conidium inoculate on cucumber seedling, then cucumber seedling is put into the greenhouse and cultivates, and the morbidity grouping standard complete stool according to cucumber downy mildew after 7d is investigated disease index.
According to survey data, calculate each concentration for the treatment of to the mycelial growth inhibition rate for examination target bacterium by NY/T1156.2-2006, unit is percentage (%).
Take the logarithm value of drug concentration (mg/L) as independent variable x, take the probit value of inhibiting rate as dependent variable y, set up respectively the virulence regression equation formula, adopt DPS software to calculate the EC of single dose and each proportioning mixture
50The co-toxicity coefficient (CTC) of (95% confidence limit) and mixture.
According to the NY/T1156.6-2006 bactericide synergy criteria for classifying: co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80＜co-toxicity coefficient (CTC)＜120 shows as summation action.
Table 1, fluopicolide and metalaxyl and the different proportioning toxicity test result to bacterium of downy mildew of cucumber
The composition pesticide that can find out fluopicolide and metalaxyl from result of the test table 1 is between 5: 1～1: 15 at ratio of weight and number, and co-toxicity coefficient (CTC value) namely all shows obvious synergistic effect all greater than 120.Fluopicolide and metalaxyl are mixed and have reasonability and feasibility, are worth carrying out the land for growing field crops and apply.
Claims (3)
1. a bactericidal composition that contains fluopicolide and metalaxyl, is characterized in that effective ingredient is fluopicolide and metalaxyl; The ratio of weight and number of fluopicolide and metalaxyl is 5:1～1:15.
2. a kind of bactericidal composition that contains fluopicolide and metalaxyl according to claim 1 is characterized in that: its formulation is a kind of in oil-suspending agent, wetting powder, water dispersible granules, effervescent tablet, aqueous suspension agent.
3. an application that contains the bactericidal composition of fluopicolide and metalaxyl, is characterized in that preventing and treating cucumber downy mildew.
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| CN 201010571938 CN101999356B (en) | 2010-11-26 | 2010-11-26 | Sterilization composition containing fluopicolide and metalaxyl and application thereof |
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| CN 201010571938 CN101999356B (en) | 2010-11-26 | 2010-11-26 | Sterilization composition containing fluopicolide and metalaxyl and application thereof |
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| CN101999356B true CN101999356B (en) | 2013-05-08 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20140031204A1 (en) * | 2011-03-23 | 2014-01-30 | Bayer Intellectual Property Gmbh | Active compound combinations |
| CN102246760A (en) * | 2011-04-30 | 2011-11-23 | 江西海科瑞特作物科学有限公司 | Bactericidal composition containing fluopicolide and metalaxyl |
| CN102334493B (en) * | 2011-10-26 | 2014-06-18 | 陕西美邦农药有限公司 | Novel fluopicolide-containing antibacterial composition |
| CN102613233A (en) * | 2012-03-16 | 2012-08-01 | 广东中迅农科股份有限公司 | Synergetic acaricidal composition containing cyflumetofen and fenbutatin oxide |
| CN104381266A (en) * | 2014-09-25 | 2015-03-04 | 北京燕化永乐生物科技股份有限公司 | Sterilization composition |
| CN106035379A (en) * | 2016-06-27 | 2016-10-26 | 中国烟草总公司郑州烟草研究院 | Bactericide composition containing phenylamide and benzamide bactericides and biocontrol bacterium, preparation and applications |
| CN106962348A (en) * | 2017-04-14 | 2017-07-21 | 广西南宁益土生物科技有限责任公司 | A kind of bactericidal composition for preventing and treating cucumber downy mildew |
| CN108013048A (en) * | 2017-12-31 | 2018-05-11 | 成都格瑞赛斯科技有限公司 | A kind of bactericidal composition and its application containing metalaxyl |
| CN109769843A (en) * | 2019-03-11 | 2019-05-21 | 西华大学 | A kind of bactericidal composition containing metalaxyl, pesticide and application |
| CN111937898A (en) * | 2020-08-24 | 2020-11-17 | 安徽华星化工有限公司 | Pesticide composition containing imidacloprid and fluopicolide and preparation method thereof |
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| CN1152253A (en) * | 1994-07-11 | 1997-06-18 | 希巴-盖吉股份公司 | Two-and three-component fungicidal mixtures |
| CN1917762A (en) * | 2004-02-12 | 2007-02-21 | 拜尔农科股份有限公司 | Fungicidal composition comprising a pyridylethylbenzamide derivative and a compound capable of inhibiting the spores germination or mycelium growth by acting on different metabolic routes |
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| US20090018176A1 (en) * | 2005-09-13 | 2009-01-15 | Bayer Cropscience Ag | Fungicide composition comprising an arylamidine derivative and two known fungicide compounds |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1152253A (en) * | 1994-07-11 | 1997-06-18 | 希巴-盖吉股份公司 | Two-and three-component fungicidal mixtures |
| CN1917762A (en) * | 2004-02-12 | 2007-02-21 | 拜尔农科股份有限公司 | Fungicidal composition comprising a pyridylethylbenzamide derivative and a compound capable of inhibiting the spores germination or mycelium growth by acting on different metabolic routes |
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Application publication date: 20110406 Assignee: JIANGXI ZHONGXUN AGROCHEMICAL CO., LTD. Assignor: Guangdong Zhongxun Agricultural Technology Co., Ltd. Contract record no.: X2019440020026 Denomination of invention: Sterilization composition containing fluopicolide and metalaxyl and application thereof Granted publication date: 20130508 License type: Common License Record date: 20191203 |
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Denomination of invention: Sterilization composition containing fluopicolide and metalaxyl and application thereof Effective date of registration: 20200428 Granted publication date: 20130508 Pledgee: China Co truction Bank Corp Huizhou branch Pledgor: GUANGDONG ZHONGXUN AGRICULTURAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980001916 |