CN108739837A - A kind of bactericidal composition containing folpet and Metalaxyl-M - Google Patents
A kind of bactericidal composition containing folpet and Metalaxyl-M Download PDFInfo
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- CN108739837A CN108739837A CN201810796794.5A CN201810796794A CN108739837A CN 108739837 A CN108739837 A CN 108739837A CN 201810796794 A CN201810796794 A CN 201810796794A CN 108739837 A CN108739837 A CN 108739837A
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- metalaxyl
- folpet
- bactericidal composition
- composition containing
- kill
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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
- 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
- A01N47/02—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 no bond to a nitrogen atom
- A01N47/04—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 no bond to a nitrogen atom containing >N—S—C≡(Hal)3 groups
-
- 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
- A01N37/46—N-acyl derivatives
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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 present invention relates to agriculture chemical compounding fields, and in particular to a kind of bactericidal composition containing folpet and Metalaxyl-M.In bactericidal composition provided by the invention, active component includes folpet and Metalaxyl-M, wherein the weight ratio of folpet and Metalaxyl-M is 1:60~80:1, the weight percent of the weight summation of the two in bactericidal composition is 2%~80%.Purposes of the bactericidal composition provided by the invention on prevention corps diseases, corps diseases are preferably oomycetes disease.
Description
Technical field
The invention belongs to agriculture chemical compounding fields, are related to a kind of bactericidal composition containing folpet and Metalaxyl-M, and its use
In the medicinal application for preparing prevention corps diseases.
Background technology
Folpet is organosulfureous fungicide, and the respiration of fungi can be interfered by S-H is bonded and closes, is mainly used for preventing
Cereal crops, vegetables, the multiple diseases on fruit tree are controlled, such as cucumber downy mildew, capsicum epidemic disease, rice blast, banded sclerotial blight, wheat
Rust, head blight, the late blight of potato, early blight of tomato, apple anthracnose etc..Folpet has plant growth certain stimulation
Effect, can promote plant growth.
Metalaxyl-M (Metalaxyl-M), alias mefenoxam, No. CAS:70630-17-0.It is a kind of sterilization work
Property height, small toxicity, high selectivity, residual less be easy to degradation systemic fungicide have protection, treatment, systemic activity, can
It is quickly absorbed by plant, each stage that germ can occur in plant disease plays curative effect, treats oomycetes disease effect
It is splendid, but because of long-term single use, multiple diseases are to which create resistance.
The continuous use of above two pesticide species in long-term high dose can inevitably cause pathogen a degree of
Drug resistance causes the usage amount of pesticide to increase, control effect declines, long-term so cycle, it is easy to cause vicious circle.Cause
This, exploitation, which can slow down the good pesticide new variety of drug resistance, control effect, becomes emphasis and hot spot that researchers are studied.
With exploitation novel pesticide active constituent have the shortcomings that the period it is long, it is of high cost compared with, exploitation agriculture chemical compounding kind has that the period is short, throwing
Enter relatively small advantage.
Present inventor is measured by a large amount of toxicity and field control effectiveness test, finds folpet and smart first
The prevention of multiple kinds of crops disease is had obvious synergistic function in a certain range after white spirit compounding, can be delayed
The resistance of pathogen, it is possible to reduce pesticide activity component usage amount improves control effect, also safer to crop, by into one
Step research, completes the present invention, there is no the report about folpet and Metalaxyl-M compounding at present.
Invention content
The object of the present invention is to provide a kind of components rationally, wide sterilization spectrum, control effect are good, use cost is low, Neng Gouyan
The bactericidal composition that slow pathogen drug resistance generates.
Another object of the present invention is to provide the bactericidal compositions to be used to prepare the drug of prevention corps diseases
Purposes, the corps diseases include but not limited to downy mildew, epidemic disease, anthracnose, powdery mildew, samping off, root rot etc..
To achieve the above object, the technical solution adopted in the present invention is:
A kind of bactericidal composition containing folpet and Metalaxyl-M, including usual auxiliaries, folpet and Metalaxyl-M, it is described
The weight ratio of active component folpet and Metalaxyl-M is 1:60~80:1.
Further, the weight ratio of active component folpet and Metalaxyl-M is 1 in the present composition:30~50:1.
Further, the weight ratio of active component folpet and Metalaxyl-M is 1 in the present composition:10~15:1.
Weight percent of the weight summation of folpet and Metalaxyl-M in bactericidal composition is in the present composition
2%~80%.
Further, in the present composition in composition the weight summation of folpet and Metalaxyl-M in bactericidal composition
In weight percent be 10%~45%.
A kind of bactericidal composition containing folpet and Metalaxyl-M of the present invention, including active component folpet and smart first frost
Spirit further includes auxiliary agent and/or carrier.
Further, the bactericidal composition of offer of the invention can be according to the method well known to those skilled in the art of the present technique
It is prepared into any one dosage form for being suitble to use in agricultural production.
Further, the dosage form can be missible oil, suspending agent, seed treatment dry powder doses, seed treatment suspending agent, moisture
Shot agent, wettable powder, suspension emulsion, coated granule, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, dry suspension
Agent, ultra low volume liquids suspending agent, aqueous emulsion, soluble concentrate.
The composition of the present invention can include one or more auxiliary agents, as being known in the art.Used in composition
Auxiliary agent will apply the mode of preparation depending on preparation type and terminal user.
The auxiliary agent and/or carrier being suitble in the present composition are all usual formulation adjuvants or component, are such as carried
Body, surfactant, solvent, emulsifier, stabilizer, synergist, antifoaming agent, thickener, water and inert filler.This analog assistant
It is known in the art and is commercially available.Their purposes in the preparation of embodiments of the present invention composition are to this
It is obvious for field technology personnel.
The bactericidal composition of the present invention is acted on pathogen and/or its environment by a kind of method of controlling plant diseases, or
In person plant, seed, soil, material or space.
Folpet is administered simultaneously with Metalaxyl-M or applies or apply in succession respectively by a kind of method of controlling plant diseases
With.
Further, bactericidal composition of the invention selects to apply side according to the difference of target object and use environment
Formula, such as seed treatment, foliage applying, stem are applied, are impregnated with, instiling, pouring into a mould, spraying, spraying, dusting.
Further, bactericidal composition of the invention can be used as blade face fungicide in crop protection, can also be used as
Fungicide is for dressing seed and being used as soil fungicide.
Further, bactericidal composition of the invention can also be applied with other active ingredient combinations, such as expanding
Prevention spectrum prevents from forming resistance.Other active constituents such as fungicide, attractant, insecticide, kills at bactericide
Mite agent, nematicide, growth regulator, herbicide, safener, fertilizer or semiochemical etc..
The invention solves the defect existing in the background technology, and the present invention has following advantageous effect:
1, bactericidal composition of the invention by folpet and Metalaxyl-M by carrying out binary built, so as to get composition
In control effect, there are unpredictable, necessary being synergistic functions, rather than just active supplement;
2, bactericidal composition of the invention has expanded fungicidal spectrum by the way that folpet and Metalaxyl-M are carried out binary built,
Effectively slows down or germ is avoided to develop immunity to drugs;
3, for bactericidal composition of the invention by the way that folpet and Metalaxyl-M are carried out binary built, synergy is notable, to
The usage amount and access times of effective active component are reduced, and then reduces production cost, reduces the pollution to environment;
4, bactericidal composition preparation process of the invention is simple, to crop safety in the use scope of recommendation.
Specific implementation mode
Preferably to describe the present invention, following exemplary embodiment is provided.Content mentioned by embodiment cannot recognize
To be limitation of the invention, the selection of material prescription can be according to actual conditions by other equivalent or replacing with similar purpose
It is replaced for feature.That is, being such as not particularly limited, each feature is a series of equivalent or similar characteristics a example, this
The protection domain of the technical solution of invention is subject to claim and is limited.
One, indoor biological determination of activity
1, subjects:Cucumber downy mildew and capsicum epidemic disease
2, the test method of cucumber downy mildew pathogen is handled:Experiment uses pot-culture method, and it is true to choose the consistent two panels of growth
Leaf phase cucumber seedling, each processing select 10 basins for trying melon seedling, and number is spare.It is sprayed under 50PSI pressure with Potter spray towers,
Per basin 5mL.6 concentration gradients are arranged in each medicament, to spray the processing of equivalent clear water as blank control.Take the frost for picking up from field
Mildew leaf dips the sporangium in 10 DEG C or so of distillation washing lower back face with writing brush, is made into a concentration of 3 × 105The spore of a/mL
Capsule suspension.In chemicals treatment for 24 hours after spray inoculation spore cyst fluid, cucumber seedling is placed in growth cabinet after inoculation (opposite
Humidity 100%, 15~20 DEG C of temperature) culture, keep 15~24 DEG C of temperature, 90% or so moisturizing of relative humidity to induce afterwards for 24 hours,
Incidence is recorded in investigation after 10d, calculates disease index and control effect.Concentration EC in inhibiting is calculated with least square method50, then
Co-toxicity coefficient (CTC) is calculated according to Sun Yunpei's Method, test result is shown in Table 1:
3, the test method of Phytophthora capsici is handled:Using mycelia growth method, the result with preliminary experiment will be for reagent
Agent is configured to mother liquor, is diluted to 0.125mg/L, 0.25mg/L, 0.5mg/L, 5 concentration ladders of 0.75mg/L, 1mg/L respectively
Degree, and be added in quantitative PDA culture medium, 3 repetitions are each handled, spray the sterile water of equivalent as blank control.It will be pre-
The capsicum epidemic disease fungus block (d=4mm) first cultivated is placed in drug containing PDA plate center, and (25 DEG C) of constant temperature is cultivated, and bacterium colony is measured after 10d
Diameter.Compared with blank control, each fungistatic effect for handling and being grown to mycelia is calculated, and calculate reagent agent to phytophthora capsici
Toxicity test result.Concentration EC in inhibiting is calculated with least square method50, then with Sun Yunpei's Method calculate co-toxicity coefficient (CTC), with
A certain single dose is that standard agent (generally selects EC in mixture50Junior) it calculates, test result such as table 2:
1 folpet of table and indoor biological determination of activity of the Metalaxyl-M composite preparation to cucumber downy mildew
As known from Table 1, folpet and Metalaxyl-M are 1:60~80:Compounding in 1 range, it is living to the interior of cucumber downy mildew
Property measure, co-toxicity coefficient is all higher than 120, when folpet and Metalaxyl-M are compounded 1:10~15:When between 1, to cucumber downy mildew
Disease has apparent synergistic effect, and 140 or more, compound ratio with folpet and Metalaxyl-M is the co-toxicity coefficient of the two compounding
7:When 3, co-toxicity coefficient is up to 188.48, most notable to cucumber downy mildew synergy, and folpet is with Metalaxyl-M compounding ratio
1:70 and 90:When 1, for the two compounding to cucumber downy mildew without synergistic effect, co-toxicity coefficient is less than 120.
2 folpet of table and indoor biological determination of activity of the Metalaxyl-M composite preparation to capsicum epidemic disease
As shown in Table 2, folpet and indoor biological determination of activity of the Metalaxyl-M composite preparation to capsicum epidemic disease, the two
Weight ratio is 1:60~80:In 1 range, co-toxicity coefficient is all higher than 120, illustrates that mixture shows synergy to the two within this range
Effect, especially when the proportioning of folpet and Metalaxyl-M is 6:When 5, synergistic effect is the most apparent, co-toxicity coefficient 188.13.
Two, example of formulations
Embodiment 1:35% folpet Metalaxyl-M water dispersible granules
By above-mentioned formula, dry pulverization process, granulation, drying, screening are made up to 35% folpet Metalaxyl-M in proportion
Water dispersible granules.
Embodiment 2:50% folpet Metalaxyl-M aqueous emulsion
Above-mentioned material is mixed in proportion, after high shear agitation is uniform, you can 50% folpet essence first frost is made
Lingshui Spring emulsion.
Embodiment 3:44% folpet Metalaxyl-M wettable powder
It is uniformly mixed entering in mixer after above-mentioned formula in proportion coarse crushing, then can be prepared by after air-flow crushing
44% folpet Metalaxyl-M wettable powder.
Embodiment 4:28% folpet Metalaxyl-M water dispersible granules
By above-mentioned formula, dry pulverization process, granulation, drying, screening are made up to 28% folpet Metalaxyl-M in proportion
Water dispersible granules.
Embodiment 5:36% folpet Metalaxyl-M suspending agent
Above-mentioned formula is crushed in advance in proportion, adds in sand mill and grinds, system is allocated after high shear mixing
Obtain 36% folpet Metalaxyl-M suspending agent.
Embodiment 6:18% folpet Metalaxyl-M wettable powder
It is uniformly mixed entering in mixer after above-mentioned formula in proportion coarse crushing, then obtains 18% after air-flow crushing
Folpet Metalaxyl-M wettable powder.
Three, field trial
1, subjects:Cucumber downy mildew and capsicum epidemic disease
2, reagent agent:Treatment agent be embodiment 1-6 combination preparation, comparison medicament be 40% folpet suspending agent and
10% Metalaxyl-M suspending agent, the clear water for spraying isodose are blank control.
3, the field control effectiveness test method of cucumber downy mildew is prevented:Experimental field it is arranged in hazard prevention cucumber producing region, often
Year, cucumber downy mildew was caused harm seriously, and each plot area is 50m2, it is repeated 4 times, is carried out at foliar spray in cucumber early stage
Reason, dispenser twice, when making up a prescription, after first fully being dissolved medicament with a small amount of water, add suitable quantity of water and carry out whole plant spray treatment, use
Spraying equipment WS-16 type back carried hand even sprayings carry out cucumber downy mildew disease index investigation before chemicals treatment.?
7,14d carries out disease index investigation respectively after secondary dispenser, and each cell investigates at 5 points, and 5 plants of cucumber of every investigation record total leaf
The sick number of sheets several, at different levels and sick series, calculate disease index, calculate preventive effect by disease index, test result is shown in Table 3.Classification mark
Standard is:
0 grade:Disease-free spot;1 grade:Lesion area accounts for 5% or less entire leaf area;3 grades:Lesion area accounts for entire leaf area
6%-10%;5 grades:Lesion area accounts for the 11%-20% of entire leaf area;7 grades:Lesion area accounts for entire leaf area
21%-50%;9 grades:Lesion area accounts for 50% or more of entire leaf area.
Disease index and control effect computational methods:
4, the field control effectiveness test method of capsicum epidemic disease is prevented:Each plot area is 25m2, it each handles and is repeated 4 times,
Reagent agent is diluted with water, and is sprayed with WF-16 type knapsack hand sprayers, and cell spouting liquid is applied by 675 liters/hectare.Altogether
Dispenser 2 times, capsicum epidemic disease first time at initial stage dispenser, second of dispenser after 7d.Investigation is without radix before medicine, after last medicine 15d and
30d investigates preventive effect, investigates 2 times altogether.Per 5 points of cell random searching, every is investigated 5 plants, record diseased plant number, dead strain number or apparent
Withered plant number, and diseased plant rate and control effect are calculated, test result is shown in Table 4:
Diseased plant rate (%)=(diseased plant number/investigation strain number) × 100
Control effect (%)=[(CK-PT)/CK] × 100
In formula:CK is diseased plant rate after blank district dispenser, and PT is diseased plant rate after chemicals treatment district dispenser.
3 folpet of table is with Metalaxyl-M composite preparation to the field control effectiveness test of cucumber downy mildew
By table 3 as it can be seen that by field efficacy the result shows that, folpet and Metalaxyl-M built composition for preventing and controlling cucumber downy mildew
Disease is with obvious effects to be better than single dose, and when effective ingredient consumption is 150 grams/ha, preventive effect is above 80%, and quick-acting and lasting effect are equal
It higher than the preventive effect under the conditions of single dose, has no adverse effects to target crop in experiment scope of medication, has in agricultural is applied and answer
With value.
4 folpet of table is with Metalaxyl-M composite preparation to the field control effectiveness test of capsicum epidemic disease
As can be seen from Table 4, capsicum epidemic disease can be effectively prevented after folpet and Metalaxyl-M compounding, control effect is excellent
In control single dose, in the case where dosage is reduced, control effect is greatly enhanced, and the lasting period is long, in experiment scope of medication
It has no adverse effects to target crop.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of bactericidal composition containing folpet and Metalaxyl-M, which is characterized in that active component includes folpet and smart first
The weight ratio of white spirit, the folpet and Metalaxyl-M is 1:60~80:1.
2. a kind of bactericidal composition containing folpet and Metalaxyl-M according to claim 1, it is characterised in that:It is described to kill
The weight ratio of bacteria composition active component folpet and Metalaxyl-M is 1:30~50:1.
3. a kind of bactericidal composition containing folpet and Metalaxyl-M according to claim 1, it is characterised in that:It is described to kill
The weight ratio of bacteria composition active component folpet and Metalaxyl-M is 1:10~15:1.
4. a kind of bactericidal composition containing folpet and Metalaxyl-M according to claim 1, it is characterised in that:It is described to kill
Weight percent of the weight summation of bacteria composition active component folpet and Metalaxyl-M in bactericidal composition be 2%~
80%.
5. a kind of bactericidal composition containing folpet and Metalaxyl-M according to claim 1, it is characterised in that:It is described to kill
Weight percent of the weight summation of bacteria composition active component folpet and Metalaxyl-M in bactericidal composition be 10%~
45%.
6. a kind of bactericidal composition containing folpet and Metalaxyl-M according to claim 1, it is characterised in that:It is described to kill
Bacteria composition dosage form includes missible oil, suspending agent, seed treatment dry powder doses, seed treatment suspending agent, water dispersible granules, wettable powder
Agent, suspension emulsion, coated granule, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, dry suspending agent, ultra low volume liquids
Suspending agent, aqueous emulsion, soluble concentrate.
7. a kind of bactericidal composition containing folpet and Metalaxyl-M according to claim 1, it is characterised in that:It is described to kill
Bacteria composition includes agriculturally acceptable auxiliary agent and/or carrier.
8. the purposes of the bactericidal composition according to any one of claim 1-7 claims, which is characterized in that described to kill
Purposes of the bacteria composition on prevention corps diseases.
9. purposes according to claim 8, which is characterized in that the corps diseases are oomycetes disease.
10. purposes according to claim 8, which is characterized in that the corps diseases be downy mildew, late blight, epidemic disease,
Early blight, samping off.
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CN201810796794.5A CN108739837A (en) | 2018-07-19 | 2018-07-19 | A kind of bactericidal composition containing folpet and Metalaxyl-M |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1152253A (en) * | 1994-07-11 | 1997-06-18 | 希巴-盖吉股份公司 | Two-and three-component fungicidal mixtures |
CN107372550A (en) * | 2017-08-02 | 2017-11-24 | 广东广康生化科技股份有限公司 | A kind of pesticide combination comprising folpet and benzo alkene fluorine bacterium azoles |
-
2018
- 2018-07-19 CN CN201810796794.5A patent/CN108739837A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1152253A (en) * | 1994-07-11 | 1997-06-18 | 希巴-盖吉股份公司 | Two-and three-component fungicidal mixtures |
CN107372550A (en) * | 2017-08-02 | 2017-11-24 | 广东广康生化科技股份有限公司 | A kind of pesticide combination comprising folpet and benzo alkene fluorine bacterium azoles |
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