CN105961399A - Fungicidal composition and application thereof - Google Patents
Fungicidal composition and application thereof Download PDFInfo
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- CN105961399A CN105961399A CN201610416462.0A CN201610416462A CN105961399A CN 105961399 A CN105961399 A CN 105961399A CN 201610416462 A CN201610416462 A CN 201610416462A CN 105961399 A CN105961399 A CN 105961399A
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- shenqinmycin
- fluazinam
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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Abstract
The invention discloses a fungicidal composition and application thereof, and relates to the technical field of pesticide compounding. The effective ingredients of the fungicidal composition comprise phenazine-1-carboxylic acid A and a fungicide B, wherein the fungicide B is selected from chlorothalonil and fluazinam, and the weight ratio of A to B is 1:100-100:1. By compounding the effective ingredients A and B, the obvious synergistic effect is achieved, and the application amount of the single agents can be effectively decreased. The good effects of widening a fungicidal spectrum and delaying the pesticide resistance of plants are achieved, the lasting period can be prolonged, and the obvious popularization value is achieved. The composition can be processed into any one pesticide form by adding auxiliary ingredients allowed to be used in other pesticides. The fungicidal composition can effectively prevent and control rice sheath blight, rice blast, rice false smut, wheat rust, powdery mildew, wheat root rot, wheat sheath blight, soybean root rot, rape sclerotinia sclerotiorum, corn head smut, wilt, downy mildew, blight, bacterial angular leaf spot and the like.
Description
Technical field
The present invention relates to a kind of bactericidal composition and application thereof, particularly relate to a kind of effective ingredient and contain shenqinmycin and hundred
Bacterium is clear or the bactericidal composition of fluazinam and application thereof, belongs to technical field of pesticide combination.
Background technology
In agricultural production, crops can healthy growth, in addition to being affected by worm, crop smothering, the preventing and treating to disease is the heaviest
Want.Along with reinforcement and the sustainable development implementation of environmental protection ideas, efficient, low toxicity, high activity, low-residual have become pesticide and have sent out
The inexorable trend of exhibition.But, even if efficient germicide, it is used alone for a long time, the most easily makes disease develop immunity to drugs, cause using
The problems such as dose increasing, preventive effect reduction, lasting period shortening, are unfavorable for environment sustainable development.Therefore, how Scientific Usage of Drugs, fall
The consumption of low chemical pesticide, improves drug effect, becomes the problem that plant protection art is badly in need of solving.
Shenqinmycin, its structural formula is as shown in (I), and shenqinmycin is to be secreted through biological culture by pseudomonas fluorescens M18
A kind of antibiotics, there is wide spectrum Suppressing phytopathogens simultaneously and promote the antibacterial of dual-use function of Effects on Plant Growth,
There is wide spectrum, efficient feature.
Bravo (chlorothalonil) also known as beating that Ke Nier, big kairine, Mulberry watt, gram labor is excellent, Da Kening, mould must
Clearly, daconil etc..Molecular formula: C8N2Cl4, chemical name: daconil M (2,4,5,6 one tetrachloro one 1,3 one benzene two
Formonitrile HCN).Bravo is a kind of non-internal-absorting wide-spectrum bactericide, and various crop fungal disease is had preventive effect.Energy and fungus
Glyceraldehyde 3-phosphate dehydro-genase in cell is had an effect, with this enzyme body in containing cysteine protein knot contain, destructive enzyme
Vigor, make the metabolism of fungal cell be destroyed and loss of life power.The Main Function of Bravo is to prevent plant to be subject to very
The infringement of bacterium.Being encroached on by pathogenic bacteria plant, after pathogenic bacteria enters in plant, bactericidal action root is little.
Fluazinam (Fluazinam), the chloro-N-of chemical name: 3-(3-chloro-5-trifluoromethyl-2-pyridine radicals)-α, α, α-three
Fluoro-2,6-dinitro-para-toluidine, molecular formula: C13H4Cl2F6N4O4, fluazinam belongs to 2, and 6-dinitroanilines, for newly
Type broad spectrum protection antibacterial, its effect is better than conventional protecting antibacterial.To Alternaria, Botrytis, Phytophthora, single shaft
Mould genus, Sclerotinia and Venturia pathogenic bacteria are highly effective.But the production that fluazinam is current and use cost are the highest, and
It is used alone for a long time and also has the biggest resistance risk.
Banded sclerotial blight is also known as moire disease, and popular name spends sufficient stalk, rotten foot pestilence, features speckle.It is to be infected by Rhizoctonia solani Kuhn to fall ill, exists more
Occur under high temperature, super-humid conditions.Banded sclerotial blight causes harm seriously in South Rice Region of China, is one of Major Diseases in current Rice Production.
This disease makes Oryza sativa L. not ear, or the hollow kernels of heading is more, and grain heavily declines.
Plant downy mildew is flagellum mushroom fungal disease.The melon crops such as Fructus Cucumidis sativi, Fructus Melo, Citrullus vulgaris, Cucurbita pepo L.；Chinese cabbage,
The Cruciferae such as raphanobrassica, Brassica oleracea L. var. botrytis L.；Herba Spinaciae, Caulis et Folium Lactucae sativae and Herba Alii fistulosi class；The orchard crop such as Fructus Vitis viniferae, Fructus Litchi has downy mildew to occur.Protect
Protecting and occur in ground plastic greenhouse throughout the year, Sporangium can be propagated by air-flow rainwater.The blade disease that downy mildew causes the most all can
Directly contribute the economic loss of crop 30%-60%, be that in crops, one of serious disease is done in harm.
Containing frequently using of single-activity component antibacterial, causing most germs to create Drug resistance, preventive effect is not
Ideal, causes the problem that dosage strengthens, preventive effect reduces, the lasting period shortens, is unfavorable for environment sustainable development.Therefore, it is badly in need of
A kind of novel product substitutes the sterilised products of single-activity component, increases drug effect and delays the resistance risk of disease, reduces economy
Loss.
Summary of the invention
It is reasonable that the technical problem to be solved in the present invention is to provide a kind of component, and potentiation is notable, and bactericidal effect is good, medication
Low cost, is not likely to produce Drug resistance, to the bactericidal composition of crop safety and application thereof.
For solving above-mentioned technical problem, the present invention provides technical scheme as follows:
The bactericidal composition of the present invention, its effective ingredient is shenqinmycin A and antibacterial B, and described antibacterial B can be hundred
Bacterium is clear or fluazinam, the weight ratio of A and B be 1:100～100:1, preferably weight ratio be 1:50～50:1, more preferably weight ratio
For 1:25～25:1.
Bactericidal composition of the present invention can also contain pesticidal preparations auxiliary element, be suitable for agriculturally using to make
Dosage form.Described pesticidal preparations auxiliary element is the one in solvent, emulsifying agent, dispersant, stabilizer, antifreezing agent or wetting agent
Or it is several.
The bactericidal composition of the present invention can be prepared as being suitable for any one dosage form of agricultural use by known method, than
Preferably dosage form is dry suspending agent (DF), oil-suspending agent, aqueous emulsion, microemulsion, wettable powder (WP), water dispersible granules
(WDG), suspending agent (SC), seed treatment or suspension seed-coating agent etc..
A wettable powder (WP), is can homodisperse solid powder preparation in water.Wettable powder of the present invention except
Add as outside the diluent such as white carbon, precipitated calcium carbonate, potter's clay, kieselguhr, attapulgite or inert substance in former medicine, also have from
Subtype or nonionic surfactant (wetting agent, dispersant), wetting agent such as, alkylbenzenesulfonate (DBS-Na), alkyl
Naphthalene sulfonate (pulls open powder), alkylphenol-polyethenoxy base ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulfate,
Aliphatic alcohol sulfate, fatty alcohol ethylene oxide adduct sulfonate, alkyl amide taurate, aliphatic alcohol polyethenoxy base ether
(JFC), content 0.1～30%；Dispersant such as naphthalene sulfonate, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), wood
Quality and derivant sulfonate (M-9, POLYFON etc.) thereof, polyoxyethylene poly-oxygen propylene aether block copolymer, alkyl phenol polyoxy second
Alkene ether formaldehyde condensation products sulfate (SOPA), PVA, CMC content 0.1～30%；Possibly together with penetrating agent JFC, azone, thiophene ketone,
One or more materials among penetrant t, content 0.3～30%；Stabilizer, foam inhibitor, anticaking agent etc. can also be contained
Other auxiliary agent.
B water dispersible granules (WDG), is can very fast disintegrate in water, the granule of dispersion formation higher suspension dispersion.By
Active component, the key element such as auxiliary agent and carrier such as wetting agent, dispersant, interleaving agent, disintegrating agent, stabilizer, adhesive composition.It helps
Agent and carrier, and the compound method of precursor (preformed objects before pelletize) is analogous to wettable powder and suspending agent substantially.
C suspending agent (SC), is not water soluble solid pesticide or immiscible liquids pesticide dispersion in water or oil.By activity
Composition, auxiliary agent (wetting dispersing agent, thickening agent, stabilizer, pH adjusting agent, defoamer, antifreezing agent) prepare through soybean dietary fiber.
Wetting dispersing agent can be naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivant sulfonate thereof
(M-9, POLYFON etc.), alkylphenol-polyethenoxy base ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, alkyl
Phenol polyethenoxy base phosphate ester, carboxymethyl cellulose (CMC), polyvinylpyrrolidone (PVP), Polyethylene Glycol (PEG), condensation phosphorus
One or more in hydrochlorate etc., content 0.1～12%；Thickening agent and stabilizer can be Xanthan gum (XG), polyvinyl alcohol
(PVA) one or more, in Magnesiumaluminumsilicate etc., content 0.05～0.5%；PH adjusting agent and defoamer can add the most in right amount
Add.
D dry suspending agent (Dry Flowable is called for short DF), is can very fast disintegrate in water, dispersion formation higher suspension dispersion
The granule of system.Preparation method: the preparation obtained by the dehydration of suspending agent.Its auxiliary agent and carrier, and precursor (dehydrate
Before preformed objects) compound method consistent with suspending agent.
Bactericidal composition of the present invention is applicable to prepare the pesticidal preparations of controlling plant diseases.It is particularly useful for making
Prevent and treat rice sheath blight disease, rice blast, false smut, wheat rust, powdery mildew, root rotof flax, wheat sharp eyespot, rice banded sclerotial blight
Disease, root rot, sclerotinia rot of colza, maize head smut, capsicum wilt, cucurbits fusarium wilt, downy mildew, epidemic disease, antibacterial
The pesticidal preparations of property angular leaf spot, late blight etc..
Bactericidal composition of the present invention can provide with finished product preparation form, and i.e. in bactericidal composition, each material has mixed
Close, or the composition of bactericidal composition can also provide with unit dose form, directly directly mix in bucket or tank, so before using
After be diluted to required concentration.
Bactericidal composition of the present invention is applied to the method for controlling disease, active component A and component B with above-mentioned weight
Amount is used than (1:100-100:1,1:50-50:1,1:25-25:1), and it can be used after mixing according to the above ratio, in proportion simultaneously
Use or use the most successively.Concrete method of application can be powder injection process, nebulization, smog method, fumigation and steaming method and seed treatment
And soil treatment, ultra-low volume spray, mix fertilizer, spread fertilizer over the fields, pouring root.
Compared with prior art, the beneficial effects of the present invention is:
1, compared with single dose, compounding have obvious synergistic function, improves prevention effect；
2, compositions is made up of the effective ingredient that two kinds of mechanism of action are different, and bactericidal effect is good, is conducive to overcoming and delaying
The drug-fast generation of pathogenic bacteria；
3, medicament mixture decreases dosage, thus reduces cost and alleviate the pollution to environment.
Instant component is reasonable, and treatment adds protective effect, and drug cost is low, and its activity and bactericidal effect are not each components
The simple superposition of activity, but have significant potentiation, good to crop safety, meet the security requirement of pesticidal preparations.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, specific embodiment will be used below
It is described in detail, but the present invention is limited to absolutely not these examples.The following stated is only the preferable embodiment of the present invention, only in order to
Explain the present invention, therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, it is all the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included within the scope of the present invention.
Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
The combination of active principles of different pesticide is made pesticide, is to develop and develop novel pesticide at present and prevent and treat agriculturally
A kind of effective and quick way of resistance pathogenic bacteria.After the pestsides synthesis of different cultivars, typically exhibit a large amount of three kinds of effect classes
Type: summation action, potentiation and antagonism.The good formula of compound synergic, it is possible to significantly improve actual prevention effect, fall
The usage amount of low pesticide, thus contribute to delaying pathogenic bacteria drug-fast generation speed, it is the important means of integrated control disease.
The present composition is with shenqinmycin (A) for a kind of effective ingredient, and antibacterial (B) is another effective ingredient, they
Between combine plant disease had obvious synergistic function, and be not only the simple superposition of two kinds of pharmacy effects, this
Can be clearly understood that from indoor virulence test result.
In order to prevent and treat the rice sheath blight disease in agricultural production, inventor carries out the potentiation compounded with shenqinmycin and Bravo
Research, method particularly includes:
Test uses rice sheath blight disease for test object.
Former medicine is configured to need test medicine, test method: fungicide bioassay pattern--Broad Bean Leaves method,
With reference to " People's Republic of China's agricultural industry criteria ".Choose Semen Viciae fabae susceptible variety potted plant, clip same section, growing way is consistent,
Carrying petiolate blade, put in culture dish, moisturizing is standby, experimental pharmacy uses former medicinal water dissolution dilute, arranges 5 quality
Concentration, fully infiltrates 5S by blade in pre-configured good medicinal liquid, drains unnecessary medicinal liquid, after natural air drying, after processing labelling
Moisturizing is cultivated, and test sets process without medicament as blank.The one side of mycelia there is is to connect a diameter of 5mm bacterium cake with inoculator
Plant in processing central vane, each process 30 leaves of inoculation.Protectiveness test 24h inoculation, curative tests after chemicals treatment
24h inoculation before chemicals treatment.In inoculation is placed on that growth cabinet or constant temperature are real and has illumination humidistat, Celsius in temperature 26
Spend-28 degrees Celsius, cultivate under conditions of relative humidity 80%-90%.According to blank incidence, use kind of calliper record
Each vaccination scab length and width, represents lesion diameter record lesion diameter (unit mm) with length and width meansigma methods. according to tune
Look into data, by preventing and treating result publicity: preventive effect=(blank diameter-process diameter)/blank diameter * 100, calculate each process and suppress disease
The percentage rate of speckle growth, by the linear regression analysis between probit value and the logarithm value of series concentration of suppression ratio, obtains each
The EC50 value of medicament, calculates the co-toxicity coefficient (CTC) of mixture, evaluates reagent agent to pathogenic bacteria with this with co-toxicity coefficient table
Activity.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as potentiation；CTC≤80 show as antagonism；80
CTC 120 shows as summation action.
Table 1 shenqinmycin and the chlorothalonil compound Toxicity Determination to rice sheath blight disease
| Chemicals treatment | Proportioning | Virulence regression equation | EC50(mg/L) | Co-toxicity coefficient (CTC) |
| Shenqinmycin (A) | —— | Y=3.4519+0.9042X | 51.5288 | —— |
| Bravo (B1) | —— | Y=3.3471+0.9543X | 53.9566 | —— |
| A:B1 | 1:100 | Y=3.4016+1.0274X | 35.9538 | 150.0 |
| A:B1 | 1:50 | Y=3.7420+0.8475X | 30.5876 | 176.7 |
| A:B1 | 1:25 | Y=3.8288+0.8024X | 28.8175 | 186.9 |
| A:B1 | 1:1 | Y=3.7444+0.8842X | 26.3071 | 200.4 |
| A:B1 | 25:1 | Y=3.8406+0.7886X | 29.5195 | 176.9 |
| A:B1 | 50:1 | Y=3.7073+0.8649X | 31.2408 | 165.1 |
| A:B1 | 100:1 | Y=3.3746+1.0454X | 35.8809 | 143.7 |
Toxicity Determination result table 1 shows, in weight ratio 1:100-100:1, in the range of particularly 1:50-50:1,
Especially in the range of weight ratio 1:25-25:1, shenqinmycin and chlorothalonil compound have obvious potentiation work to plant disease
With, prevention effect is excellent and is better than single dose kind.
In order to prevent and treat the rice blast in agricultural production, inventor grinds with the potentiation that fluazinam carries out compounding with shenqinmycin
Study carefully, method particularly includes:
Test uses rice blast for test object.
Former medicine is directly configured to water dissolution dilution the test medicine needed, standby.Test method (spore germination method).
By cultured pathogenic fungi spore deionized water eluting, filtration from culture medium or diseased tissues, centrifugal 5 points, remove supernatant
Liquid, adds deionized water, then is centrifuged.Finally with deionized water by resuspended for spore floating to every milliliter of 1*105-1*107Individual spore, and
Add 0.5% glucose solution.With pipet from low concentration to high concentration, draw medicinal liquid 0.5ml successively, be separately added into small test tube
In, then draw the spore suspension 0.5ml prepared, make medicinal liquid uniform with spore suspension mixed in equal amounts.Use micro sample-adding
Device is drawn above-mentioned mixed liquor and is dripped on concave slide, and then frame is put in the culture dish with shallow seated groundwater, adds a cover moisturizing and cultivates with suitable
Preferably in the incubator of temperature.Each process repeats no less than 3 times, and sets the process without medicament as blank.
When blank spore germination rate reaches more than 90%, check each process spore germination situation.Each process with
More than 3 visuals field observed by machine, and investigation spore sum is no less than 200, and number and spore sum sprouted in record respectively.Spore germ tube is long
Degree is considered as sprouting more than the short radius of spore.According to survey data, calculate the spore germination relative inhibition of each process.By pressing down
Linear regression analysis between probit value and the logarithm value of series concentration of rate processed, obtains the EC50 value of each medicament, with poison system altogether
Number table calculates the co-toxicity coefficient (CTC) of mixture, evaluates the reagent agent activity to pathogenic bacteria with this.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as potentiation；CTC≤80 show as antagonism；80
CTC 120 shows as summation action.
Table 2 shenqinmycin and the compounding Toxicity Determination to rice blast of fluazinam
Toxicity Determination result table 2 shows, in weight ratio 1:100-100:1, in the range of particularly 1:50-50:1,
Especially in the range of weight ratio 1:25-25:1, shenqinmycin is compounding with fluazinam has obvious potentiation work to plant disease
With, prevention effect is excellent and is better than single dose kind.
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, in weight ratio 1:100～100:
In the range of 1, build the embodiment that shenqinmycin is compounding with Bravo or fluazinam respectively, be described in detail, but the present invention is exhausted
It is not limited to these examples.
It addition, inventor also by experiment find, shenqinmycin respectively with Bravo or the compounding effect of fluazinam, be better than
Other antibiotics antibacterial and Bravo or the compounding effect of fluazinam.In order to clearly demonstrate this problem, in weight ratio
In the range of 1:100～100:1, build the comparative example that other antibiotics antibacterial are compounding with Bravo or fluazinam, carry out in detail
Thin description.But owing to length is limited, representative several comparative examples can only be enumerated.It should be pointed out that, shenqinmycin is divided
Not with Bravo or the compounding effect of fluazinam, it is better than other antibiotics antibacterial and Bravo or the compounding effect of fluazinam
Really, it is not limited in limited comparative example.
The bactericidal composition of the present invention can be prepared as being suitable for any one dosage form of agricultural use by known method, than
Preferably dosage form is wettable powder, aqueous suspension agent, oil-suspending agent, suspended emulsion, water dispersible granules, microemulsion, aqueous emulsion, kind
Sub-inorganic agent, suspension seed-coating agent etc..In all formula, percentage ratio is all weight percentage.Adding of the various dosage form of the present composition
Work technique is prior art, can be varied from according to different situations.
Below in conjunction with embodiment, comparative example, present invention is described further.
One: shenqinmycin and Bravo
Embodiment 1:20.2% shenqinmycin 〃 Bravo suspending agent (1:100)
Component: shenqinmycin 0.2%, Bravo 20%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, polycarboxylic acids sodium
3%, 1,2-PD 6%, XG 0.3%, organic silicon defoamer 0.2%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: each component mixed, through high speed shear mix homogeneously, then passes through sand mill sand milling 2-3 hour, makes to put down
All particle diameters reach 1-5 micron, can be prepared by 20.2% shenqinmycin Bravo suspending agent.
Comparative example 1:20.2% polyoxin 〃 Bravo suspending agent (1:100)
Component: polyoxin 0.2%, Bravo 20%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, polycarboxylic acids sodium
3%, 1,2-PD 6%, XG 0.3%, organic silicon defoamer 0.2%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: ibid.
Embodiment 2:16.8% shenqinmycin 〃 chlorothalonil water dispersible granule (1:55)
Component: shenqinmycin 0.3%, Bravo 16.5%, sodium lignin sulfonate 5%, polycarboxylic acids sodium 3%, anhydrous slufuric acid
Sodium 8%, Pulvis Talci complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 16.8% shenqinmycin chlorothalonil water dispersible granule.
Embodiment 3:25.5% shenqinmycin 〃 Bravo wettable powder (1:50)
Component: shenqinmycin 0.5%, Bravo 25%, dodecyl sodium sulfate 5%, sodium lauryl sulphate 5%, in vain
White carbon black 6%, anhydrous sodium sulfate complements to 100%.
Preparation method: by each component mix homogeneously, first pass through mechanical activation comminution, then after comminution by gas stream, mix homogeneously, i.e.
25.5% shenqinmycin Bravo wettable powder can be prepared.
Comparative example 2:25.5% polyoxin 〃 Bravo wettable powder (1:50)
Component: polyoxin 0.5%, Bravo 25%, dodecyl sodium sulfate 5%, sodium lauryl sulphate 5%, in vain
White carbon black 6%, anhydrous sodium sulfate complements to 100%.
Preparation method: ibid.
Embodiment 4:27.9% shenqinmycin 〃 Bravo wettable powder (1:45.5)
Component: shenqinmycin 0.6%, Bravo 27.3%, sodium lauryl sulphate 4%, sodium lignin sulfonate 6%, in vain
White carbon black 8%, precipitated calcium carbonate complements to 100%.
Preparation method: by each component mix homogeneously, first pass through mechanical activation comminution, then after comminution by gas stream, mix homogeneously, i.e.
27.9% shenqinmycin 〃 Bravo wettable powder can be prepared.
Embodiment 5:35% shenqinmycin 〃 chlorothalonil dry suspending agent (1:34)
Component: shenqinmycin 1%, Bravo 34%, sodium lignin sulfonate 8%, lignin sodium naphthalene sulfonate 6%, white carbon
8%, sodium benzoate 0.2%, Kaolin supplies 100%.Deionized water 150-200% is additionally added during preparation.
Preparation method: add the water of 1.5 2.0 times of preparation amount of preparation, each component is mixed, through high speed shear mixing all
Even, then pass through sand mill sand milling 2-3 hour, make mean diameter reach 1-5 micron, dehydrate, can be prepared by 35% Shen piperazine mould
Element chlorothalonil dry suspending agent.
Embodiment 6:26% shenqinmycin 〃 chlorothalonil water dispersible granule (1:25)
Component: shenqinmycin 1%, Bravo 25%, polycarboxylic acids sodium 3%, sodium lignin sulfonate 5%, anhydrous calcium chloride
3%, Pulvis Talci complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 26% shenqinmycin chlorothalonil water dispersible granule.
Comparative example 3:26% polyoxin 〃 chlorothalonil water dispersible granule (1:25)
Component: polyoxin 1%, Bravo 25%, polycarboxylic acids sodium 3%, sodium lignin sulfonate 5%, anhydrous calcium chloride
3%, Pulvis Talci complements to 100%.
Preparation method: ibid.
Embodiment 7:16% shenqinmycin 〃 Bravo suspending agent (1:15)
Component: shenqinmycin 1%, Bravo 15%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, octyl phenol polyoxy second
Alkene ether sulfonic acid sodium 3%, ethylene glycol 5%, XG 0.32%, organic silicon defoamer 0.2%, sodium benzoate 0.4%, soft water complements to
100%.
Preparation method: each component mixed, through high speed shear mix homogeneously, then passes through sand mill sand milling 2-3 hour, makes to put down
All particle diameters reach 1-5 micron, can be prepared by 16% shenqinmycin Bravo suspending agent.
Embodiment 8:20% shenqinmycin 〃 Bravo wettable powder (1:1)
Component: shenqinmycin 10%, Bravo 10%, dodecyl sodium sulfate 4%, sodium lauryl sulphate 4%, Linesless charcoal
Black 10%, precipitated calcium carbonate complements to 100%.
Preparation method: by each component mix homogeneously, first pass through mechanical activation comminution, then after comminution by gas stream, mix homogeneously, i.e.
20% shenqinmycin Bravo wettable powder can be prepared.
Comparative example 4:20% polyoxin 〃 Bravo wettable powder (1:1)
Component: polyoxin 10%, Bravo 10%, dodecyl sodium sulfate 4%, sodium lauryl sulphate 4%, Linesless charcoal
Black 10%, precipitated calcium carbonate complements to 100%.
Preparation method: ibid.
Embodiment 9:21% shenqinmycin 〃 chlorothalonil water dispersible granule (19:2)
Component: shenqinmycin 19%, Bravo 2%, polycarboxylic acids sodium 3%, sodium lignin sulfonate 6%, anhydrous sodium sulfate
5%, Kaolin complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 21% shenqinmycin chlorothalonil water dispersible granule.
Embodiment 10:16% shenqinmycin 〃 chlorothalonil dry suspending agent (15:1)
Component: shenqinmycin 15%, Bravo 1%, dodecylbenzene sodium sulfonate 3%, sodium lignin sulfonate 10%, Linesless charcoal
Black 8%, organic silicon defoamer 0.4%, sodium benzoate 0.1%, Pulvis Talci complements to 100%.Soft water 150-200%.
Preparation method: add the water of 1.5 2.0 times of preparation amount of preparation, each component is mixed, through high speed shear mixing all
Even, then pass through sand mill sand milling 2-3 hour, make mean diameter reach 1-5 micron, it is mould that dehydrate can be prepared by 16% Shen piperazine
Element chlorothalonil dry suspending agent.
Embodiment 11:26% shenqinmycin 〃 chlorothalonil water dispersible granule (25:1)
Component: shenqinmycin 25%, Bravo 1%, lignin sodium naphthalene sulfonate 8%, dodecylbenzene sodium sulfonate 3%, nothing
Aqueous sodium persulfate 6%, Pulvis Talci complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 26% shenqinmycin chlorothalonil water dispersible granule.
Comparative example 5:26% polyoxin 〃 chlorothalonil water dispersible granule (25:1)
Component: polyoxin 25%, Bravo 1%, lignin sodium naphthalene sulfonate 8%, dodecylbenzene sodium sulfonate 3%, nothing
Aqueous sodium persulfate 6%, Pulvis Talci complements to 100%.
Preparation method: ibid.
Embodiment 12:18.8% shenqinmycin 〃 Bravo suspending agent (46:1)
Component: shenqinmycin 18.4%, Bravo 0.4%, polycarboxylic acids sodium 2%, OPEO sodium sulfonate
3%, ethylene glycol 6%, XG0.32%, organic silicon defoamer 0.2%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: each component mixed, through high speed shear mix homogeneously, then passes through sand mill sand milling 2-3 hour, makes to put down
All particle diameters reach 1-5 micron, can be prepared by 18.8% shenqinmycin Bravo suspending agent.
Embodiment 13:20.4% shenqinmycin 〃 Bravo suspending agent (50:1)
Component: shenqinmycin 20%, Bravo 0.4%, sodium naphthalene sulfonate 1%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer
4%, ethylene glycol 6%, XG0.3%, organic silicon defoamer 0.3%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: each component mixed, through high speed shear mix homogeneously, then passes through sand mill sand milling 2-3 hour, makes to put down
All particle diameters reach 1-5 micron, can be prepared by 20.4% shenqinmycin Bravo suspending agent.
Comparative example 6:20.4% polyoxin 〃 Bravo suspending agent (50:1)
Component: polyoxin 20%, Bravo 0.4%, sodium naphthalene sulfonate 1%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer
4%, ethylene glycol 6%, XG0.3%, organic silicon defoamer 0.3%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: ibid.
Embodiment 14:24% shenqinmycin 〃 chlorothalonil water dispersible granule (79:1)
Component: shenqinmycin 23.7%, Bravo 0.3%, sodium lignin sulfonate 6%, polycarboxylic acids sodium 4%, anhydrous slufuric acid
Sodium 6%, Kaolin complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 24% shenqinmycin chlorothalonil water dispersible granule.
Embodiment 15:20.2% shenqinmycin 〃 Bravo wettable powder (100:1)
Component: shenqinmycin 20%, Bravo 0.2%, dodecylbenzene sodium sulfonate 3%, lignin sodium naphthalene sulfonate 6%,
White carbon 8%, Kaolin complements to 100%.
Preparation method: by each component mix homogeneously, first pass through mechanical activation comminution, then after comminution by gas stream, mix homogeneously, i.e.
20.2% shenqinmycin Bravo wettable powder can be prepared.
Comparative example 7:20.2% polyoxin 〃 Bravo wettable powder (100:1)
Component: polyoxin 20%, Bravo 0.2%, dodecylbenzene sodium sulfonate 3%, lignin sodium naphthalene sulfonate 6%,
White carbon 8%, Kaolin complements to 100%.
Preparation method: ibid.
Two: shenqinmycin and fluazinam
Embodiment 16:20.2% shenqinmycin 〃 fluazinam suspending agent (1:100)
Component: shenqinmycin 0.2%, fluazinam 20%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, octyl phenol polyoxy
Vinyl Ether 3%, ethylene glycol 6%, XG 0.3%, organic silicon defoamer 0.2%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: each component mixed, through high speed shear mix homogeneously, then passes through sand mill sand milling 2-3 hour, makes to put down
All particle diameters reach 1-5 micron, can be prepared by 20.2% shenqinmycin fluazinam suspending agent.
Comparative example 8:20.2% jingganmycin 〃 fluazinam suspending agent (1:100)
Component: jingganmycin 0.2%, fluazinam 20%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, octyl phenol polyoxy
Vinyl Ether 3%, ethylene glycol 6%, XG 0.3%, organic silicon defoamer 0.2%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: ibid.
Embodiment 17:21.3% shenqinmycin 〃 fluazinam water dispersible granules (1:70)
Component: shenqinmycin 0.3%, fluazinam 21%, polycarboxylic acids sodium 4%, lignin sodium naphthalene sulfonate 8%, anhydrous slufuric acid
Sodium 6%, Kaolin supplies 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 21.3% shenqinmycin 〃 fluazinam water dispersible granules.
Embodiment 18:25.5% shenqinmycin 〃 fluazinam wettable powder (1:50)
Component: shenqinmycin 0.5%, fluazinam 25%, dodecylbenzene sodium sulfonate 3%, lignin sodium naphthalene sulfonate 6%,
White carbon 8%, precipitated calcium carbonate complements to 100%.
Preparation method: by each component mix homogeneously, first pass through mechanical activation comminution, then after comminution by gas stream, mix homogeneously, i.e.
25.5% shenqinmycin 〃 fluazinam wettable powder can be prepared.
Comparative example 9:25.5% kasugarnycin 〃 fluazinam wettable powder (1:50)
Component: kasugarnycin 0.5%, fluazinam 25%, dodecylbenzene sodium sulfonate 3%, lignin sodium naphthalene sulfonate 6%,
White carbon 8%, precipitated calcium carbonate complements to 100%.
Preparation method: ibid.
Embodiment 19:22% shenqinmycin 〃 fluazinam dry suspending agent (1:43)
Component: shenqinmycin 0.5%, fluazinam 21.5%, sodium lignin sulfonate 8%, lignin sodium naphthalene sulfonate 6%, in vain
White carbon black 10%, sodium benzoate 0.2%, Pulvis Talci supplies 100%.Deionized water 150-200% is additionally added during preparation.
Preparation method: add the water of 1.5 2.0 times of preparation amount of preparation, each component is mixed, through high speed shear mixing all
Even, then pass through sand mill sand milling 2-3 hour, make mean diameter reach 1-5 micron, dehydrate, can be prepared by 22% Shen piperazine mould
Element fluazinam dry suspending agent.
Embodiment 20:35% shenqinmycin 〃 fluazinam dry suspending agent (1:34)
Component: shenqinmycin 1%, fluazinam 34%, sodium lignin sulfonate 8%, lignin sodium naphthalene sulfonate 6%, white carbon
15%, sodium benzoate 0.2%, Kaolin supplies 100%.Deionized water 150-200% is additionally added during preparation.
Preparation method: add the water of 1.5 2.0 times of preparation amount of preparation, each component is mixed, through high speed shear mixing all
Even, then pass through sand mill sand milling 2-3 hour, make mean diameter reach 1-5 micron, dehydrate, can be prepared by 35% Shen piperazine mould
Element fluazinam dry suspending agent.
Embodiment 21:26% shenqinmycin 〃 fluazinam water dispersible granules (1:25)
Component: shenqinmycin 1%, fluazinam 25%, polycarboxylic acids sodium 4%, sodium lignin sulfonate 6%, anhydrous calcium chloride
2%, Pulvis Talci complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 26% shenqinmycin fluazinam water dispersible granules.
Comparative example 10:26% polyoxin 〃 fluazinam water dispersible granules (1:25)
Component: polyoxin 1%, fluazinam 25%, polycarboxylic acids sodium 4%, sodium lignin sulfonate 6%, anhydrous calcium chloride
2%, Pulvis Talci complements to 100%.
Preparation method: ibid.
Embodiment 22:16% shenqinmycin 〃 fluazinam suspending agent (1:15)
Component: shenqinmycin 1%, fluazinam 15%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, octyl phenol polyoxy second
Alkene ether sulfonic acid sodium 3%, ethylene glycol 5%, XG 0.35%, organic silicon defoamer 0.2%, sodium benzoate 0.4%, soft water complements to
100%.
Preparation method: each component mixed, through high speed shear mix homogeneously, then passes through sand mill sand milling 2-3 hour, makes to put down
All particle diameters reach 1-5 micron, can be prepared by 16% shenqinmycin fluazinam suspending agent.
Embodiment 23:20% shenqinmycin 〃 fluazinam wettable powder (1:1)
Component: shenqinmycin 10%, fluazinam 10%, dodecyl sodium sulfate 4%, sodium lauryl sulphate 4%, Linesless charcoal
Black 12%, Kaolin complements to 100%.
Preparation method: by each component mix homogeneously, first pass through mechanical activation comminution, then after comminution by gas stream, mix homogeneously, i.e.
20% shenqinmycin fluazinam wettable powder can be prepared.
Comparative example 11:20% jingganmycin 〃 fluazinam wettable powder (1:1)
Component: jingganmycin 10%, fluazinam 10%, dodecyl sodium sulfate 4%, sodium lauryl sulphate 4%, Linesless charcoal
Black 12%, Kaolin complements to 100%.
Preparation method: ibid.
Comparative example 12:20% polyoxin 〃 fluazinam wettable powder (1:1)
Component: polyoxin 10%, fluazinam 10%, dodecyl sodium sulfate 4%, sodium lauryl sulphate 4%, Linesless charcoal
Black 12%, Kaolin complements to 100%.
Preparation method: ibid.
Embodiment 24:21% shenqinmycin 〃 fluazinam water dispersible granules (19:2)
Component: shenqinmycin 19%, fluazinam 2%, polycarboxylic acids sodium 4%, dodecyl sodium sulfate 6%, anhydrous sodium sulfate
8%, Pulvis Talci complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 21% shenqinmycin fluazinam water dispersible granules.
Embodiment 25:16% shenqinmycin 〃 fluazinam dry suspending agent (15:1)
Component: shenqinmycin 15%, fluazinam 1%, dodecylbenzene sodium sulfonate 3%, lignin sodium naphthalene sulfonate 10%, in vain
White carbon black 8%, organic silicon defoamer 0.4%, sodium benzoate 0.1%, Pulvis Talci complements to 100%.Soft water 150-200%.
Preparation method: add the water of 1.5 2.0 times of preparation amount of preparation, each component is mixed, through high speed shear mixing all
Even, then pass through sand mill sand milling 2-3 hour, make mean diameter reach 1-5 micron, it is mould that dehydrate can be prepared by 16% Shen piperazine
Element fluazinam dry suspending agent.
Embodiment 26:26% shenqinmycin 〃 fluazinam water dispersible granules (25:1)
Component: shenqinmycin 25%, fluazinam 1%, lignin sodium naphthalene sulfonate 8%, dodecylbenzene sodium sulfonate 3%, nothing
Aqueous sodium persulfate 6%, Kaolin complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 26% shenqinmycin fluazinam water dispersible granules.
Comparative example 13:26% jingganmycin 〃 fluazinam water dispersible granules (25:1)
Component: jingganmycin 25%, fluazinam 1%, lignin sodium naphthalene sulfonate 8%, dodecylbenzene sodium sulfonate 3%, nothing
Aqueous sodium persulfate 6%, Kaolin complements to 100%.
Preparation method: ibid.
Embodiment 27:18.8% shenqinmycin 〃 fluazinam suspending agent (46:1)
Component: shenqinmycin 18.4%, fluazinam 0.4%, polycarboxylic acids sodium 2%, OPEO sodium sulfonate
3%, ethylene glycol 6%, XG0.32%, organic silicon defoamer 0.2%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: each component mixed, through high speed shear mix homogeneously, then passes through sand mill sand milling 2-3 hour, makes to put down
All particle diameters reach 1-5 micron, can be prepared by 18.8% shenqinmycin fluazinam suspending agent.
Embodiment 28:20.4% shenqinmycin 〃 fluazinam suspending agent (50:1)
Component: shenqinmycin 20%, fluazinam 0.4%, polycarboxylic acids sodium 2%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer
3%, ethylene glycol 6%, XG0.3%, organic silicon defoamer 0.3%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: each component mixed, through high speed shear mix homogeneously, then passes through sand mill sand milling 2-3 hour, makes to put down
All particle diameters reach 1-5 micron, can be prepared by 20.4% shenqinmycin fluazinam suspending agent.
Comparative example 14:20.4% kasugarnycin 〃 fluazinam suspending agent (50:1)
Component: kasugarnycin 20%, fluazinam 0.4%, polycarboxylic acids sodium 2%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer
3%, ethylene glycol 6%, XG0.3%, organic silicon defoamer 0.3%, sodium benzoate 0.4%, soft water complements to 100%.
Preparation method: ibid.
Embodiment 29:24% shenqinmycin 〃 fluazinam water dispersible granules (79:1)
Component: shenqinmycin 23.7%, fluazinam 0.3%, sodium lignin sulfonate 6%, polycarboxylic acids sodium 4%, anhydrous slufuric acid
Sodium 6%, Kaolin complements to 100%.
Preparation method: each component is mixed, through mechanical activation comminution, then through comminution by gas stream, mix homogeneously, then through wet granulation also
Dry, can be prepared by 24% shenqinmycin fluazinam water dispersible granules.
Embodiment 30:20.2% shenqinmycin 〃 fluazinam wettable powder (100:1)
Component: shenqinmycin 20%, fluazinam 0.2%, dodecylbenzene sodium sulfonate 3%, lignin sodium naphthalene sulfonate 6%,
White carbon 8%, Kaolin complements to 100%
Preparation method: by each component mix homogeneously, first pass through mechanical activation comminution, then after comminution by gas stream, mix homogeneously, i.e.
20.2% shenqinmycin fluazinam wettable powder can be prepared.
Comparative example 15:20.2% polyoxin 〃 fluazinam wettable powder (100:1)
Component: polyoxin 20%, fluazinam 0.2%, dodecylbenzene sodium sulfonate 3%, lignin sodium naphthalene sulfonate 6%,
White carbon 8%, Kaolin complements to 100%
Preparation method: ibid.
The pesticidal preparations prepared by above-described embodiment, comparative example prevents and treats sigatoka, cucumber downy mildew test.
1, test processes: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).This examination
Testing dosing and set three concentration for the treatment of respectively according to the difference of each composition, comparison medicament is commercially available pesticide 40,%00 bacterium respectively
Clear suspending agent, 1% shenqinmycin SC and blank clean water experiment.
2, test method: each plot area is 50m2, it is repeated 4 times, the inspection drug effect side after investigating before dispenser and preventing and treating
Method is: investigate with blank incidence classification, and every community diagonal samples, and often clicks 10 strains, records total strain number, diseased plant number
With sick progression.
Use following stage division:
0 grade: anosis；
1 grade: lesion area accounts for less than the 5% of whole leaf area；
3 grades: lesion area accounts for the 6%-15% of whole leaf area；
5 grades: lesion area accounts for the 16%-25% of whole leaf area；
7 grades: lesion area accounts for the 26%-50% of whole leaf area；
9 grades: lesion area accounts for more than the 50% of whole leaf area；
Result of the test see table 3,4:
Table 3 shenqinmycin (A) and the compounding prevention effect to sigatoka of Bravo (B)
Table 3 field efficacy result shows, in the range of weight ratio 1:100-100:1, shenqinmycin increases with chlorothalonil compound
Effect effect is obvious, in the range of prevention effect is better than single dose kind, particularly 1:50-50:1, in the range of especially 1:25-25:1,
Have excellent prevention effect to sigatoka, prevention effect is better than single dose kind.
The cucumber downy mildew field investigation standard following stage division of employing:
0 grade: anosis；
1 grade: lesion area accounts for less than the 5% of whole leaf area；
3 grades: lesion area accounts for the 5%-10% of whole leaf area；
5 grades: lesion area accounts for the 11%-25% of whole leaf area；
7 grades: lesion area accounts for the 26%-50% of whole leaf area；
9 grades: lesion area accounts for more than the 50% of whole leaf area；
Other Statistical experiments are ibid.
The prevention effect of cucumber downy mildew is compared by table 4 embodiment with comparative example
Inventor finds other antibiotics antibacterial and chlorothalonil compound, in the range of weight ratio 1:100-100:1 also
There is certain Complex synergism.Because length is limited, not enumerating, it is right only to construct with the most representational polyoxin
Ratio and embodiment carry out preventive effect contrast, as table 4 field efficacy result shows, in the range of weight ratio 1:100-100:1, and Shen piperazine
Mycin is obvious with chlorothalonil compound synergistic effect, and synergistic effect is better than the preventing and treating of other antibiotics antibacterial and chlorothalonil compound
Effect.In the range of 1:50-50:1, in the range of 1:25-25:1, shenqinmycin is obvious with chlorothalonil compound synergistic effect, to planting
The prevention effect of thing disease, is better than the prevention effect of other antibiotics antibacterial and chlorothalonil compound.
The pesticidal preparations prepared by above-described embodiment, comparative example prevents and treats pepper anthracnose, late blight of potato test.
1, test processes: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).This examination
Testing dosing and set three concentration for the treatment of respectively according to the difference of each composition, comparison medicament is commercially available pesticide 50% fluorine pyridine respectively
Amine suspending agent, 1% shenqinmycin SC and blank clean water experiment.
2, test method: each plot area is 50m2, it is repeated 4 times, the inspection drug effect side after investigating before dispenser and preventing and treating
Method is: investigate with blank incidence classification, and every community diagonal samples, and often clicks 10 strains, records total strain number, diseased plant number
With sick progression.
Use following stage division:
0 grade: anosis；
1 grade: lesion area accounts for less than the 2% of whole leaf area；
3 grades: lesion area accounts for the 3%-8% of whole leaf area；
5 grades: lesion area accounts for the 9%-15% of whole leaf area；
7 grades: lesion area accounts for the 16%-25% of whole leaf area；
9 grades: lesion area accounts for less than the 25% of whole leaf area；
Result of the test see table 5,6:
Table 5 shenqinmycin (A) and the compounding prevention effect to pepper anthracnose of fluazinam (B)
Table 5 field efficacy result shows, in the range of weight ratio 1:100-100:1, shenqinmycin is compounding with fluazinam to be increased
Effect effect is obvious, in the range of prevention effect is better than single dose kind, particularly 1:50-50:1, in the range of especially 1:25-25:1,
Have excellent prevention effect to pepper anthracnose, prevention effect is better than single dose kind.
The late blight of potato field investigation standard following stage division of employing:
0 grade: anosis；
1 grade: on indivedual blades, have indivedual scab；
3 grades: 1/3 with the ill speckle of lower blade；
5 grades: 1/3-1/2 blade has scab；
7 grades: nearly all blade has scab；
9 grades: all blade goes rotten almost without green portion；
Other statistics, experimental techniques are ibid.
The prevention effect of the late blight of potato is compared by table 6 embodiment with comparative example
Inventor finds that other antibiotics antibacterial compounds with fluazinam, in the range of weight ratio 1:100-100:1 also
There is certain Complex synergism.Because length is limited, do not enumerate, only mould with the most representational jingganmycin, spring thunder
Element, polyoxin construct comparative example and carry out preventive effect contrast, as table 6 field efficacy result shows, in weight ratio 1 with embodiment:
In the range of 100-100:1, shenqinmycin is obvious with fluazinam Complex synergism, is better than other antibiotics antibacterial and fluorine pyridine
The prevention effect that amine is compounding.In the range of 1:50-50:1, in the range of 1:25-25:1, the prevention effect potentiation to plant disease is bright
Aobvious, it is better than the prevention effect that other antibiotics antibacterial is compounding with fluazinam.
Inventor finds that shenqinmycin and Bravo, shenqinmycin compound to have plant disease with fluazinam and significantly increases
Effect effect, tests its prevention effect to root rotof flax.In identical proportion 1:100-100:1, particularly 1:50-
In the range of 50:1, in the range of especially 1:25-25:1, find that shenqinmycin is multiple with fluazinam with Bravo, shenqinmycin
Join and also there is obvious synergistic effect, plant disease is had obvious potentiation.Owing to length is limited, it is not repeated.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (9)
1. a bactericidal composition, it is characterised in that containing effective constituents A and B, wherein A is shenqinmycin, and B is fluazinam, institute
The weight ratio stating A and B is 1:100～100:1.
Bactericidal composition the most according to claim 1, it is characterised in that the weight ratio of described effective constituents A and B is 1:50
～50:1.
Bactericidal composition the most according to claim 2, it is characterised in that the weight ratio of described effective constituents A and B is 1:25
～25:1.
4. according to described bactericidal composition arbitrary in claims 1 to 3, it is characterised in that described bactericidal composition also contains
There is pesticidal preparations auxiliary element, to make the dosage form being suitable for agriculturally using.
Bactericidal composition the most according to claim 4, it is characterised in that described pesticidal preparations auxiliary element is solvent, breast
One or more in agent, dispersant, stabilizer, antifreezing agent or wetting agent.
Bactericidal composition the most according to claim 4, it is characterised in that the dosage form of described bactericidal composition be suspending agent,
Dry suspending agent, oil-suspending agent, water dispersible granules, wettable powder or suspension seed-coating agent.
7. claim 1 to 6 arbitrary described bactericidal composition application in the pesticidal preparations of preparation controlling plant diseases.
The application of bactericidal composition the most according to claim 7, it is characterised in that prevent and treat rice sheath blight disease, rice in preparation
Pestilence, false smut, wheat rust, powdery mildew, root rotof flax, wheat sharp eyespot, root rot, sclerotinia rot of colza, Semen Maydis
Head smut, capsicum wilt, cucurbits fusarium wilt, downy mildew, epidemic disease, bacterial angular leaf spot, late blight pesticidal preparations in
Application.
9. the application process of the bactericidal composition described in claim 1 to 6, it is characterised in that active component A and B is with above-mentioned
Weight ratio is used, and it is used after being mixed in proportion, uses the most simultaneously or use the most successively.
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| CN105104385A (en) * | 2015-09-01 | 2015-12-02 | 河北中天邦正生物科技股份公司 | Bactericide composition and application thereof |
| CN106577680A (en) * | 2016-12-01 | 2017-04-26 | 青岛东生药业有限公司 | Bactericide and application thereof |
| CN106804158A (en) * | 2016-12-09 | 2017-06-09 | 河池市农业科学研究所 | A kind of rice blast prevention and controls |
| CN109287407A (en) * | 2018-09-14 | 2019-02-01 | 山东省农业科学院农业资源与环境研究所 | A kind of Ecological preventive way of Winter Wheat Root maize ear rot |
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| CN105248432A (en) * | 2015-11-16 | 2016-01-20 | 周红梅 | Anti-fungal composition containing phenazine-1-carboxylic acid and dimethomorph |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104839168A (en) | 2015-08-19 |
| CN105961399B (en) | 2018-04-03 |
| CN104839180B (en) | 2017-01-18 |
| CN104839168B (en) | 2017-06-23 |
| CN104886070A (en) | 2015-09-09 |
| CN104839180A (en) | 2015-08-19 |
| CN104886070B (en) | 2017-04-26 |
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