CN104839168A - Fungicide composition and application thereof - Google Patents
Fungicide composition and application thereof Download PDFInfo
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- CN104839168A CN104839168A CN201510263222.7A CN201510263222A CN104839168A CN 104839168 A CN104839168 A CN 104839168A CN 201510263222 A CN201510263222 A CN 201510263222A CN 104839168 A CN104839168 A CN 104839168A
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- tridemorph
- dimethachlon
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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 fungicide composition and application thereof, and relates to the technical field of pesticide compounding. Active ingredients of the fungicide composition comprise phenazine-1-carboxylic acid A and a fungicide B, wherein the fungicide B is selected from dimethachlon and tridemorph, and the weight ratio of the phenazine-1-carboxylic acid A to the fungicide B is (1:100) - (100:1). According to the fungicide composition, the compounded active ingredients A and B have remarkable synergism and can effectively reduce the application rate of each single reagent; expansion of a bacteriocidal spectrum and slowing of plant fungicide resistance are greatly facilitated, the effect preservation period can also be prolonged, and a remarkable promotional value exists. The fungicide composition can be added with other auxiliary ingredients, which are allowed to be used in pesticides, to be prepared into any agent, and can effectively prevent and control a rice sheath blight disease, rice blast, rice false smut, wheat rust, powdery mildew, wheat root rot, wheat sharp eyespot, soybean root rot, sclerotinia rot of colza, corn head smut, fusarium wilt, downy mildew, pestilence, bacterial angular leaf spot and the like.
Description
Technical field
The present invention relates to a kind of bactericidal composition and application thereof, refer to that a kind of active ingredient contains bactericidal composition and the application thereof of Shen piperazine mycin and dimethachlon or tridemorph especially, belong to technical field of pesticide combination.
Background technology
In agricultural production, can crops healthy growth, except affecting by worm, crop smothering, also very important to the control of disease.Along with reinforcement and the sustainable development implementation of environmental protection ideas, the inexorable trend efficient, low toxicity, high activity, low-residual have become Agrochemicals.But, even if efficient germicide, be used alone for a long time, also easily make disease develop immunity to drugs, cause the problems such as dosage increasing, preventive effect reduction, lasting period shortening, be unfavorable for environment sustainable development.Therefore, how Scientific Usage of Drugs, reduces the consumption of chemical pesticide, improves drug effect, becomes the problem that plant protection art is badly in need of solving.
Shen piperazine mycin, its structural formula is as shown in (I), Shen piperazine mycin is a kind of antibiotic secreted through biological culture by pseudomonas fluorescens M18, has wide spectrum Suppressing phytopathogens and the bactericide of the dual-use function of Promoting plant growth effect simultaneously, has wide spectrum, efficiently feature.
Structural formula (I) Shen piperazine mycin
Dimethachlon (dimetachlone) also known as dimethachlon, molecular formula: C
10h
7cl
2nO
2, chemical name: N-(3,5-dichlorophenyl) succimide.Dimethachlon is heterocyclic compound, belongs to imines series bactericidal agent.The features such as dimethachlon is the strong bactericidal agent that expert exclusively develops for crops susceptible " fungi, bacterium, virus ", and it has wide spectrum, sterilization, non-interior suction protective fungicide, and the lasting period is long.By showing and interior thorough sterilization, multiple germ is once removed.But it will be used alternatingly from the medicament of different mechanism of action, delays drug-fast generation.
Tridemorph (tridemorph) also known as three fragrant, tridemorph, different tridemorph, the western lactone of OK a karaoke club etc., molecular formula is C
19h
39nO, chemical name: 2,6-dimethyl-N-tridecyl morpholine.Tridemorph is morpholine bactericide; it is a kind of broad spectrum activity systemic fungicide with protection and therapeutic action; can be absorbed by the root of plant, stem, leaf, the plurality of plant diseases caused basidiomycetes, sac fungi and imperfect fungus is effective, mainly suppresses the biosynthesis of the ergosterol of germ.
Banded sclerotial blight is also known as moire disease, and popular name spends sufficient stalk, rotten pin pest, features spot.Be infected by Rhizoctonia solani Kuhn to fall ill, how 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 paddy rice not ear, or the not plump paddy of heading is more, and grain heavily declines.
Plant downy mildew is flagellum mushroom fungal disease.The melon crops such as cucumber, muskmelon, watermelon, custard squash; The Cruciferae such as Chinese cabbage, raphanobrassica, cauliflower; Spinach, lettuce and green onion class; The orchard crop such as grape, lichee has downy mildew to occur.Occur in protecting field plastic greenhouse, sporangium is propagated by air-flow rainwater throughout the year.The blade disease that downy mildew causes all directly can cause the economic loss of crop 30%-60% every year, is that in crops, one of serious disease is done in harm.
Frequent use containing single-activity component bactericide, cause most germs to create pesticide resistance, preventive effect is unsatisfactory, causes the problem that dosage strengthens, preventive effect reduces, the lasting period shortens, is unfavorable for environment sustainable development.Therefore, be badly in need of the sterilised products that a kind of novel product substitutes single-activity component, increase the resistance risk that drug effect delays disease, reduce economic 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 synergistic effect is remarkable, and bactericidal effect is good, and drug cost is low, not easily develops immunity to drugs, to the bactericidal composition of crop safety and application thereof.
For solving the problems of the technologies described above, the invention provides technical scheme as follows:
Bactericidal composition of the present invention, containing effective constituents A and B, wherein effective constituents A is Shen piperazine mycin, active ingredient B is dimethachlon or tridemorph, the weight ratio of A and B is 1:100 ~ 100:1, and being preferably weight ratio is 1:50 ~ 50:1, and more preferably weight ratio is 1:25 ~ 25:1.
Pesticidal preparations auxiliary element can also be contained, to make the formulation being applicable to agriculturally using in bactericidal composition of the present invention.Described pesticidal preparations auxiliary element is one or more in solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent or wetting agent.
Bactericidal composition of the present invention can be prepared into any one formulation of applicable agricultural use by known method, reasonable formulation is dry suspending agent (DF), oil-suspending agent, aqueous emulsion, microemulsion, wetting powder (WP), water dispersible granules (WDG), suspending agent (SC), seed treatment or suspension seed-coating agent etc.
A wetting powder (WP) is can homodisperse solid powder preparation in water.Wetting powder of the present invention except adding as white carbon in former medicine, precipitated calcium carbonate, potter's clay, diatomite, outside the thinners such as attapulgite or inert substance, also have ionic or nonionic surface active agent (wetting agent, dispersant), wetting agent such as, alkylbenzenesulfonate (DBS-Na), alkylnaphthalene sulfonate (pulling open powder), alkylphenol-polyethenoxy base ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, aliphatic alcohol sulfate, fatty alcohol ethylene oxide adduct sulfonate, alkyl amide taurate, aliphatic alcohol polyethenoxy base ether (JFC), content 0.1 ~ 30%, dispersant is as naphthalene sulfonate, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivative sulfonate (M-9, POLYFON etc.) thereof, polyoxyethylene poly-oxygen propylene aether block copolymer, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate (SOPA), PVA, CMC content 0.1 ~ 30%, also containing one or more materials among penetrating agent JFC, azone, thiophene ketone, penetrant t, content 0.3 ~ 30%, other auxiliary agents such as stabilizing agent, foam inhibitor, anticaking agent can also be contained.
B water dispersible granules (WDG) very fast disintegration in water, dispersion can form the granule of higher suspension dispersion.By active component, the key element such as auxiliary agent and the carrier compositions such as wetting agent, dispersant, interleaving agent, disintegrant, stabilizing agent, adhesive.Its auxiliary agent and carrier, and the compound method of precursor (preformed objects before granulation) is analogous to wetting powder and suspending agent substantially.
C suspending agent (SC) is not water soluble solid agricultural chemicals or the dispersion of immiscible liquids agricultural chemicals in water or oil.Obtained through soybean dietary fiber by active component, auxiliary agent (wetting dispersing agent, thickener, stabilizing agent, pH adjusting agent, defoamer, antifreezing agent).Wetting dispersing agent can be naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivative sulfonate (M-9, POLYFON etc.) thereof, alkylphenol-polyethenoxy base ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, one or more in alkylphenol-polyethenoxy base phosphate, carboxymethyl cellulose (CMC), polyvinylpyrrolidone (PVP), polyethylene glycol (PEG), condensed phosphate etc., content 0.1 ~ 12%; Thickener and stabilizing agent can be one or more in xanthan gum (XG), polyvinyl alcohol (PVA), Magnesiumaluminumsilicate etc., content 0.05 ~ 0.5%; PH adjusting agent and defoamer can optionally add in right amount.
D dry suspending agent (Dry Flowable, be called for short DF), be can very fast disintegration in water, dispersion formation higher suspension dispersion granule.Preparation method: the preparation obtained by the dehydration of suspending agent.Its auxiliary agent and carrier, and the compound method of precursor (preformed objects before dehydrating) is consistent with suspending agent.
Bactericidal composition of the present invention is applicable to the pesticidal preparations preparing controlling plant diseases.Be particularly useful for making the pesticidal preparations of the water prevention rice sheath blight, rice blast, false smut, wheat rust, powdery mildew, root rotof flax, wheat sharp eyespot, rice sheath blight disease, root rot, sclerotinia rot of colza, maize head smut, capsicum wilt, cucurbits fusarium wilt, downy mildew, epidemic disease, bacterial angular leaf spot, late blight etc.
Bactericidal composition of the present invention can finished product preparation form provide, namely in bactericidal composition, each material mixes, or the composition of bactericidal composition also can provide with unit dose form, directly directly mix in bucket or tank before using, be then diluted to required concentration.
Bactericidal composition of the present invention is applied to the method for controlling disease, active principle A and B component are with above-mentioned weight ratio (1:100-100:1,1:50-50:1,1:25-25:1) use, it is used after can mixing according to the above ratio, use in proportion simultaneously or use successively in proportion.Concrete method of application can be powder injection process, spray-on process, smog method, fumigating system and seed treatment and soil treatment, ultra low volume spraying, mixes fertilizer, spreads fertilizer over the fields, fills with root.
Compared with prior art, beneficial effect of the present invention is:
1, compared with single dose, composite have obvious synergistic function, improves control efficiency;
2, composition is made up of the active ingredient that two kinds of mechanism of action are different, and bactericidal effect is good, is conducive to overcoming and delay the drug-fast generation of germ;
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 the simple superposition of each composition activity, but has significant synergistic effect, good to crop safety, meets the security requirement of pesticidal preparations.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, will be described in detail with specific embodiment below, but the present invention is limited to absolutely not these examples.The following stated is only the good 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 all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection 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 agricultural chemicals is made agricultural chemicals, is current development novel pesticide and the one of preventing and treating agriculturally resistance germ effectively and efficiently mode.After the pestsides synthesis of different cultivars, usually show a large amount of three kinds of type of action: summation action, synergistic effect and antagonism.Compound synergic is well filled a prescription, and can significantly improve actual control efficiency, and reducing the usage amount of agricultural chemicals, thus contribute to delaying the drug-fast generation speed of germ, is the important means of integrated control disease.
The present composition with Shen piperazine mycin (A) for a kind of active ingredient, bactericide (B) is another active ingredient, combine between them, to plant disease, there is obvious synergistic function, and being not only the simple superposition of two kinds of pharmacy effects, this can clearly recognize in virulence test result indoor.
In order to prevent and treat the sclerotinia rot of colza in agricultural production, inventor carries out composite synergy research with Shen piperazine mycin and dimethachlon, and concrete grammar is:
Test adopts sclerotinia rot of colza to be tested object.
Former medicine is mixed with the test medicine of needs, with reference to mycelial growth rate method, the preparation of bacterial classification: pour about 10mLPDA medium in sterilized medium into.Aseptically, get a mycelia block from the strain inclined plane of Sclerotinia sclerotiorum, be placed in the middle of culture dish.Continuous culture several generations, then before the test 3d, inoculation once, cultivate under 24 ~ 26 DEG C of conditions, for subsequent use.The making of toxic flat board, after first being dissolved by the PDA medium prepared, places cooling.Aseptically, added by liquid 1mL in sterilized culture dish, then add with pipette, extract 9mL medium in the culture dish of existing liquid, rocking gently shakes up (left 3 circles, right 3 circles), and it is dull and stereotyped uniformly to make thin and thick.Connect bacterium: off-the-shelf pathogen card punch is made bacterium cake, then move on the pastille flat board as solidified with transfer needle picking bacterium cake, mycelia one faces down.Mark, puts in 24 ~ 26 DEG C of incubators and cultivates.Treat that control group colony diameter grows to about 6cm, right-angled intersection method investigates other data processed and record.
Calculate the percentage that each process suppresses colony diameter growth, by the linear regression analysis between the probit value of inhibiting rate and the logarithm value of series concentration, obtain the EC50 value of each medicament, calculate the co-toxicity coefficient (CTC) of mixture with co-toxicity coefficient table, evaluate the activity of reagent agent to germ with this.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 ﹤ CTC ﹤ 120 show as summation action.
Table 1 Shen piperazine mycin and the composite Toxicity Determination to sclerotinia rot of colza of dimethachlon
| Chemicals treatment | Proportioning | Virulence regression equation | EC50(mg/L) | Co-toxicity coefficient (CTC) |
| Shen piperazine mycin (A) | —— | Y＝3.3041+1.0167X | 46.5741 | —— |
| Dimethachlon (B1) | —— | Y＝3.2632+0.9759X | 60.2254 | —— |
| A：B1 | 1:100 | Y＝3.3532+1.0224X | 40.8001 | 147.2 |
| A：B1 | 1:50 | Y＝3.5318+0.9418X | 36.2078 | 165.3 |
| A：B1 | 1:25 | Y＝3.3759+0.9313X | 33.8220 | 176.1 |
| A：B1 | 1:1 | Y＝3.8540+0.7981X | 27.2821 | 192.5 |
| A：B1 | 25:1 | Y＝3.5282+1.0162X | 28.0735 | 167.4 |
| A：B1 | 50:1 | Y＝3.5633+0.9695X | 30.3333 | 154.2 |
| A：B1 | 100:1 | Y＝3.4477+1.0137X | 33.9335 | 137.3 |
Toxicity Determination result table 1 shows, at weight ratio 1:100-100:1, in the scope of particularly 1:50-50:1, especially Shen piperazine mycin and dimethachlon is composite has obvious synergistic effect to plant disease in the scope of weight ratio 1:25-25:1, control efficiency is excellent and be better than single dose kind.
In order to prevent and treat the powdery mildew of cucumber in agricultural production, inventor carries out composite synergy research with Shen piperazine mycin and tridemorph, and concrete grammar is:
Test adopts powdery mildew of cucumber to be tested object.
Former medicine is mixed with the test medicine of needs, test method (pot-culture method) is with reference to " People's Republic of China's agricultural industry criteria ".Wholeheartedly cucumber seedling is for subsequent use to select consistent three leaves of growing way, single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, different with proportioning according to different agents combination, concentration arranges also different, and bacteriostasis rate sets in the scope of 5% ~ 95%).With spray-on process by medicine liquid spray on cucumber seedling for subsequent use, naturally dry rear for subsequent use, test set not containing the process of medicament as blank.The fresh sporozoite of Powdery Mildew produced in 24h on morbidity cucumber leaves evenly is tiltedly fallen to being inoculated on the 2-3 leaf phase potted plant cucumber seedling of process, often processes 3 basins.Protectiveness test 24h after chemicals treatment, curative tests is 24h inoculation before chemicals treatment, then puts 28 degrees Celsius of constant temperature lighting box and cultivates.According to blank incidence, record lesion diameter, calculate the percentage that each process suppresses lesions grow, by the linear regression analysis between the probit value of inhibiting rate and the logarithm value of series concentration, obtain the EC50 value of each medicament, calculate the co-toxicity coefficient (CTC) of mixture with co-toxicity coefficient table, evaluate the activity of reagent agent to germ with this.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 ﹤ CTC ﹤ 120 show as summation action.
Table 2 Shen piperazine mycin and the composite Toxicity Determination to powdery mildew of cucumber of tridemorph
| Chemicals treatment | Proportioning | Virulence regression equation | EC50(mg/L) | Co-toxicity coefficient (CTC) |
| Shen piperazine mycin (A) | —— | Y＝3.4921+1.0495X | 47.2981 | —— |
| Tridemorph (B2) | —— | Y＝3.1043+1.0495X | 27.2978 | —— |
| A：B2 | 1:100 | Y＝3.0400+1.2071X | 42.0542 | 151.7 |
| A：B2 | 1:50 | Y＝2.8635+1.3512X | 38.1298 | 166.7 |
| A：B2 | 1:25 | Y＝3.2833+1.1095X | 35.2556 | 179.2 |
| A：B2 | 1:1 | Y＝2.9984+1.3937X | 27.2978 | 199.3 |
| A：B2 | 25:1 | Y＝3.3111+1.1687X | 27.8705 | 171.4 |
| A：B2 | 50:1 | Y＝3.3793+1.0999X | 29.7445 | 159.8 |
| A：B2 | 100:1 | Y＝3.4331+1.0419X | 31.9122 | 148.6 |
Toxicity Determination result table 2 shows, at weight ratio 1:100-100:1, in the scope of particularly 1:50-50:1, especially Shen piperazine mycin and tridemorph is composite has obvious synergistic effect to plant disease in the scope of weight ratio 1:25-25:1, control efficiency is excellent and be better than single dose kind.
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, within the scope of weight ratio 1:100 ~ 100:1, build Shen piperazine mycin respectively with dimethachlon or the composite embodiment of tridemorph, be described in detail, but the present invention is limited to absolutely not these examples.
In addition, inventor also found through experiments, Shen piperazine mycin respectively with the composite effect of dimethachlon or tridemorph, be better than the composite effect of other antibiotics bactericide and dimethachlon or tridemorph.In order to this problem is clearly described, within the scope of weight ratio 1:100 ~ 100:1, build the comparative example of other antibiotics bactericide and dimethachlon or tridemorph, be described in detail.But because length is limited, representative several comparative examples can only be enumerated.It should be pointed out that Shen piperazine mycin respectively with the composite effect of dimethachlon or tridemorph, be better than the composite effect of other antibiotics bactericide and dimethachlon or tridemorph, be not only confined in limited comparative example.
Bactericidal composition of the present invention can be prepared into any one formulation of applicable agricultural use by known method, reasonable formulation is wetting powder, aqueous suspension agent, oil-suspending agent, suspended emulsion, water dispersible granules, microemulsion, aqueous emulsion, seed treatment, suspension seed-coating agent etc.In all formulas, percentage is all weight percentage.The processing technology of the various formulation of the present composition is prior art, can change to some extent according to different situations.
Below in conjunction with embodiment, comparative example, content of the present invention is described further.
One: Shen piperazine mycin and dimethachlon
Embodiment 1:20.2% Shen piperazine mycin dimethachlon suspending agent (1:100)
Component: Shen piperazine mycin 0.2%, dimethachlon 20%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, OPEO sodium sulfonate 3%, ethylene glycol 6%, XG 0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, 20.2% Shen piperazine mycin dimethachlon suspending agent can be obtained.
Comparative example 1:20.2% polyoxin dimethachlon suspending agent (1:100)
Component: polyoxin 0.2%, dimethachlon 20%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, OPEO sodium sulfonate 3%, ethylene glycol 6%, XG 0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: the same.
Embodiment 2:25.5% Shen piperazine mycin dimethachlon wetting powder (1:50)
Component: Shen piperazine mycin 0.5%, dimethachlon 25%, dodecyl sodium sulfate 5%, lauryl sodium sulfate 5%, white carbon 6%, precipitated calcium carbonate complements to 100%.
Preparation method: each component mixed, first through mechanical crushing, then after air-flow crushing, mixes, and can obtain 25.5% Shen piperazine mycin dimethachlon wetting powder.
Comparative example 2:25.5% polyoxin dimethachlon wetting powder (1:50)
Component: polyoxin 0.5%, dimethachlon 25%, dodecyl sodium sulfate 5%, lauryl sodium sulfate 5%, white carbon 6%, precipitated calcium carbonate complements to 100%.
Preparation method: the same.
Embodiment 3:35% Shen piperazine mycin dimethachlon dry suspending agent (1:34)
Component: Shen piperazine mycin 1%, dimethachlon 34%, sodium lignin sulfonate 8%, lignin sodium naphthalene sulfonate 6%, white carbon 4%, Sodium Benzoate 0.2%, talcum powder supplies 100%.Additionally deionized water 150-200% is added during preparation.
Preparation method: the water adding 1.5-2.0 times of Formulation amounts, mixes each component, mixes through high speed shear, again by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, dehydrate, 35% Shen piperazine mycin dimethachlon dry suspending agent can be obtained.
Embodiment 4:26% Shen piperazine mycin dimethachlon water dispersible granules (1:25)
Component: Shen piperazine mycin 1%, dimethachlon 25%, polycarboxylic acids sodium 3%, sodium lignin sulfonate 5%, anhydrous sodium sulfate 6%, kaolin complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then dries through wet granulation, can obtain 26% Shen piperazine mycin dimethachlon water dispersible granules.
Comparative example 3:26% polyoxin dimethachlon water dispersible granules (1:25)
Component: polyoxin 1%, dimethachlon 25%, polycarboxylic acids sodium 3%, sodium lignin sulfonate 5%, anhydrous sodium sulfate 6%, kaolin complements to 100%.
Preparation method: the same
Embodiment 5:16% Shen piperazine mycin dimethachlon suspending agent (1:15)
Component: Shen piperazine mycin 1%, dimethachlon 15%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, polycarboxylic acids sodium 2%, 1,2-PD 5%, XG 0.32%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, 16% Shen piperazine mycin dimethachlon suspending agent can be obtained.
Embodiment 6:20% Shen piperazine mycin dimethachlon wetting powder (1:1)
Component: Shen piperazine mycin 10%, dimethachlon 10%, neopelex 3%, lignin sodium naphthalene sulfonate 7%, white carbon 8%, precipitated calcium carbonate complements to 100%.
Preparation method: each combined hybrid is even, first through mechanical crushing, then after air-flow crushing, mixes, can obtain 20% Shen piperazine mycin dimethachlon wetting powder.
Comparative example 4:20% polyoxin dimethachlon wetting powder (1:1)
Component: polyoxin 10%, dimethachlon 10%, neopelex 3%, lignin sodium naphthalene sulfonate 7%, white carbon 8%, precipitated calcium carbonate complements to 100%.
Preparation method: the same
Embodiment 7:21% Shen piperazine mycin dimethachlon water dispersible granules (19:2)
Component: Shen piperazine mycin 19%, dimethachlon 2%, polycarboxylic acids sodium 3%, sodium lignin sulfonate 5%, anhydrous sodium sulfate 6%, talcum powder complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then dries through wet granulation, can obtain 21% Shen piperazine mycin dimethachlon water dispersible granules.
Embodiment 8:26% Shen piperazine mycin dimethachlon water dispersible granules (25:1)
Component: Shen piperazine mycin 25%, dimethachlon 1%, polycarboxylic acids sodium 3%, dodecyl sodium sulfate 5%, anhydrous sodium sulfate 6%, kaolin complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then dries through wet granulation, can obtain 26% Shen piperazine mycin dimethachlon water dispersible granules.
Comparative example 5:26% polyoxin dimethachlon water dispersible granules (25:1)
Component: polyoxin 25%, dimethachlon 1%, polycarboxylic acids sodium 3%, dodecyl sodium sulfate 5%, anhydrous sodium sulfate 6%, kaolin complements to 100%.
Preparation method: the same.
Embodiment 9:20.4% Shen piperazine mycin dimethachlon wetting powder (50:1)
Component: Shen piperazine mycin 20%, dimethachlon 0.4%, neopelex 3%, lignin sodium naphthalene sulfonate 6%, white carbon 8%, kaolin complements to 100%.
Preparation method: each component mixed, first through mechanical crushing, then after air-flow crushing, mixes, and can obtain 20.4% Shen piperazine mycin dimethachlon wetting powder.
Comparative example 6:20.4% polyoxin dimethachlon wetting powder (50:1)
Component: polyoxin 20%, dimethachlon 0.4%, neopelex 3%, lignin sodium naphthalene sulfonate 6%, white carbon 8%, kaolin complements to 100%.
Preparation method: the same.
Embodiment 10:20.2% Shen piperazine mycin dimethachlon wetting powder (100:1)
Component: Shen piperazine mycin 20%, dimethachlon 0.2%, neopelex 3%, lignin sodium naphthalene sulfonate 6%, white carbon 8%, anhydrous sodium sulfate complements to 100%
Preparation method: each component mixed, first through mechanical crushing, then after air-flow crushing, mixes, and can obtain 20.2% Shen piperazine mycin dimethachlon wetting powder.
Comparative example 7:20.2% polyoxin dimethachlon wetting powder (100:1)
Component: polyoxin 20%, dimethachlon 0.2%, neopelex 3%, lignin sodium naphthalene sulfonate 6%, white carbon 8%, anhydrous sodium sulfate complements to 100%.
Preparation method: the same.
Embodiment 11:11% Shen piperazine mycin dimethachlon water dispersible granules (1:10)
Component: Shen piperazine mycin 1%, dimethachlon 10%, neopelex 3%, polycarboxylic acids sodium 4%, calcium chloride 2%, talcum powder complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then dries through wet granulation, can obtain 11% Shen piperazine mycin dimethachlon water dispersible granules.
Comparative example 8:11% polyoxin dimethachlon water dispersible granules (1:10)
Component: polyoxin 1%, dimethachlon 10%, neopelex 3%, polycarboxylic acids sodium 4%, calcium chloride 2%, talcum powder complements to 100%.
Preparation method: the same.
Embodiment 12:11% Shen piperazine mycin dimethachlon wetting powder (10:1)
Component: Shen piperazine mycin 10%, dimethachlon 1%, dodecyl sodium sulfate 4%, lauryl sodium sulfate 5%, white carbon 8%, precipitated calcium carbonate complements to 100%.
Preparation method: each component mixed, first through mechanical crushing, then after air-flow crushing, mixes, and can obtain 11% Shen piperazine mycin dimethachlon wetting powder.
Comparative example 9:11% polyoxin dimethachlon wetting powder (10:1)
Component: polyoxin 10%, dimethachlon 1%, dodecyl sodium sulfate 4%, lauryl sodium sulfate 5%, white carbon 8%, precipitated calcium carbonate complements to 100%.
Preparation method: the same.
Embodiment 13:32.4% Shen piperazine mycin dimethachlon water dispersible granules (1:80)
Component: Shen piperazine mycin 0.4%, dimethachlon 32%, naphthalenesulfonate formaldehyde condensation compound 3%, polycarboxylic acids sodium 4%, anhydrous calcium chloride 2%, kaolin complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then dries through wet granulation, can obtain 32.4% Shen piperazine mycin dimethachlon water dispersible granules.
Comparative example 10:32.4% polyoxin dimethachlon water dispersible granules (1:80)
Component: polyoxin 0.4%, dimethachlon 32%, naphthalenesulfonate formaldehyde condensation compound 3%, polycarboxylic acids sodium 4%, anhydrous calcium chloride 2%, kaolin complements to 100%.
Preparation method: the same.
Embodiment 14:24.3% Shen piperazine mycin dimethachlon water dispersible granules (80:1)
Component: Shen piperazine mycin 24%, dimethachlon 0.3%, naphthalenesulfonate formaldehyde condensation compound 3%, polycarboxylic acids sodium 3%, anhydrous sodium sulfate 4%, talcum powder complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then dries through wet granulation, can obtain 24.3% Shen piperazine mycin dimethachlon water dispersible granules.
Comparative example 11:24.3% polyoxin dimethachlon water dispersible granules (80:1)
Component: polyoxin 24%, dimethachlon 0.3%, naphthalenesulfonate formaldehyde condensation compound 3%, polycarboxylic acids sodium 3%, anhydrous sodium sulfate 4%, talcum powder complements to 100%.
Preparation method: the same.
Two: Shen piperazine mycin and tridemorph (oil)
Embodiment 15:20.2% Shen piperazine mycin tridemorph aqueous emulsion (1:100)
Component: Shen piperazine mycin 0.2%, tridemorph 20%, C9 aromatic 18%, Tween-80 6%, this dish-203%, 1,2-PD 6%, XG0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: by Shen piperazine mycin, tridemorph and solvent, 1,2-propane diols, surfactant mix, mix in a kettle. and obtain oil phase, soft water, Sodium Benzoate, XG shear agitation are evenly obtained aqueous phase, oil phase is poured into shear-mixed in aqueous phase under high speed shear even, make average grain diameter reach 1-3 micron, 20.2% Shen piperazine mycin tridemorph aqueous emulsion can be obtained.
Comparative example 12:20.2% polyoxin tridemorph aqueous emulsion (1:100)
Component: polyoxin 0.2%, tridemorph 20%, C9 aromatic 18%, Tween-80 6%, this dish-203%, 1,2-PD 6%, XG0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: the same.
Embodiment 16:24.3% Shen piperazine mycin tridemorph aqueous emulsion (1:80)
Component: Shen piperazine mycin 0.3%, tridemorph 24%, C9 aromatic 20%, epoxy ethane-epoxy propane block polyether 5%, fatty alkanol amide 3%, ethylene glycol 6%, XG0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: Shen piperazine mycin, tridemorph and solvent, ethylene glycol, surfactant are mixed, mix in a kettle. and obtain oil phase, soft water, Sodium Benzoate, XG shear agitation are evenly obtained aqueous phase, oil phase is poured into shear-mixed in aqueous phase under high speed shear even, make average grain diameter reach 1-3 micron, 24.3% Shen piperazine mycin tridemorph aqueous emulsion can be obtained.
Embodiment 17:25.5% Shen piperazine mycin tridemorph aqueous emulsion (1:50)
Component: Shen piperazine mycin 0.5%, tridemorph 25%, C9 aromatic 23%, Tween-80 5%, fatty alcohol-polyoxyethylene ether 3%, ethylene glycol 6%, XG0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: Shen piperazine mycin, tridemorph and solvent, ethylene glycol, surfactant are mixed, mix in a kettle. and obtain oil phase, soft water, Sodium Benzoate, XG shear agitation are evenly obtained aqueous phase, oil phase is poured into shear-mixed in aqueous phase under high speed shear even, make average grain diameter reach 1-3 micron, 25.5% Shen piperazine mycin tridemorph aqueous emulsion can be obtained.
Comparative example 13:25.5% polyoxin tridemorph aqueous emulsion (1:50)
Component: polyoxin 0.5%, tridemorph 25%, C9 aromatic 23%, Tween-80 5%, fatty alcohol-polyoxyethylene ether 3%, ethylene glycol 6%, XG0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: the same.
Embodiment 18:27.9% Shen piperazine mycin tridemorph aqueous emulsion (1:45.5)
Component: Shen piperazine mycin 0.6%, tridemorph 27.3%, C9 aromatic 25%, Tween-80 6%, isomery octanol APEO 2%, ethylene glycol 5%, XG0.25%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: preparation method: Shen piperazine mycin, tridemorph and solvent, ethylene glycol, surfactant are mixed, mix in a kettle. and obtain oil phase, soft water, Sodium Benzoate, XG shear agitation are evenly obtained aqueous phase, oil phase is poured into shear-mixed in aqueous phase under high speed shear even, make average grain diameter reach 1-3 micron, 27.9% Shen piperazine mycin tridemorph aqueous emulsion can be obtained.
Embodiment 19:35% Shen piperazine mycin tridemorph oil-suspending agent (1:34)
Component: Shen piperazine mycin 1%, tridemorph 34%, castor oil polyoxyethylene ether 15%, fatty alcohol-polyoxyethylene ether 3%, gas-phase silica 3%, organobentonite 4%, methyl oleate supplies 100%.
Preparation method: each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, 35% Shen piperazine mycin tridemorph oil-suspending agent can be obtained.
Embodiment 20:26% Shen piperazine mycin tridemorph oil-suspending agent (1:25)
Component: Shen piperazine mycin 1%, tridemorph 25%, ethylene oxide/propylene oxide copolymer 1 5%, gas-phase silica 3%, organobentonite 4%, methyl oleate supplies 100%.
Preparation method: each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, 26% Shen piperazine mycin tridemorph oil-suspending agent can be obtained.
Comparative example 14:26% polyoxin tridemorph oil-suspending agent (1:25)
Component: polyoxin 1%, tridemorph 25%, ethylene oxide/propylene oxide copolymer 1 5%, gas-phase silica 3%, organobentonite 4%, methyl oleate supplies 100%.
Preparation method: the same.
Embodiment 21:16% Shen piperazine mycin tridemorph oil-suspending agent (1:15)
Component: Shen piperazine mycin 1%, tridemorph 15%, ethylene oxide/propylene oxide copolymer 1 2%, gas-phase silica 4%, organobentonite 4%, palm oil methyl ester supplies 100%.
Preparation method: each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, 16% Shen piperazine mycin tridemorph oil-suspending agent can be obtained.
Embodiment 22:20% Shen piperazine mycin tridemorph oil-suspending agent (1:1)
Component: Shen piperazine mycin 10%, tridemorph 10%, castor oil polyoxyethylene ether 12%, fatty alcohol-polyoxyethylene ether 3%, gas-phase silica 2%, organobentonite 3%, palm oil methyl ester supplies 100%.
Preparation method: each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, 20% Shen piperazine mycin tridemorph oil-suspending agent can be obtained
Comparative example 15:20% polyoxin tridemorph oil-suspending agent (1:1)
Component: polyoxin 10%, tridemorph 10%, castor oil polyoxyethylene ether 12%, fatty alcohol-polyoxyethylene ether 3%, gas-phase silica 2%, organobentonite 3%, palm oil methyl ester supplies 100%.
Preparation method: the same.
Embodiment 23:21% Shen piperazine mycin tridemorph suspended emulsion (19:2)
Component: Shen piperazine mycin 19%, tridemorph 2%, methyl oleate 10%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 4%, OPEO 4%, ethylene glycol 6%, XG 0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: tridemorph is mixed with methyl oleate and obtains oil phase, all the other each component mixing, mix through high speed shear, again by sand mill sand milling 2-3 hour, oil phase is poured into sand milling 0.5 hour together, make average grain diameter reach 1-5 micron, 21% Shen piperazine mycin tridemorph suspended emulsion can be obtained.
Embodiment 24:16% Shen piperazine mycin tridemorph suspended emulsion (15:1)
Component: Shen piperazine mycin 15%, tridemorph 1%, 18 carbon mineral oil 5%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, fatty alcohol-polyoxyethylene ether 3%, ethylene glycol 6%, XG 0.35%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: tridemorph and 18 carbon mineral oil are evenly obtained oil phase, all the other each component mixing, mix through high speed shear, again by sand mill sand milling 2-3 hour, oil phase is poured into sand milling 0.5 hour together, make average grain diameter reach 1-5 micron, 16% Shen piperazine mycin tridemorph suspended emulsion can be obtained.
Embodiment 25:26% Shen piperazine mycin tridemorph suspended emulsion (25:1)
Component: Shen piperazine mycin 25%, tridemorph 1%, methyl oleate 5%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 4%, OPEO 4%, 1,2-PD 6%, XG 0.25%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: tridemorph is mixed with methyl oleate and obtains oil phase, all the other each component mixing, mix through high speed shear, again by sand mill sand milling 2-3 hour, oil phase is poured into sand milling 0.5 hour together, make average grain diameter reach 1-5 micron, 26% Shen piperazine mycin tridemorph suspended emulsion can be obtained.
Comparative example 16:26% polyoxin tridemorph suspended emulsion (25:1)
Component: polyoxin 25%, tridemorph 1%, methyl oleate 5%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 4%, OPEO 4%, 1,2-PD 6%, XG 0.25%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: the same.
Embodiment 26:18.8% Shen piperazine mycin tridemorph suspended emulsion (46:1)
Component: Shen piperazine mycin 18.4%, tridemorph 0.4%, methyl oleate 5%, polycarboxylic acids sodium 4%, OPEO 4%, ethylene glycol 6%, XG 0.3%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: tridemorph is mixed with methyl oleate and obtains oil phase, all the other each component mixing, mix through high speed shear, again by sand mill sand milling 2-3 hour, oil phase is poured into sand milling 0.5 hour together, make average grain diameter reach 1-5 micron, 18.8% Shen piperazine mycin tridemorph suspended emulsion can be obtained.
Embodiment 27:20.4% Shen piperazine mycin tridemorph wetting powder (50:1)
Component: Shen piperazine mycin 20%, tridemorph 0.4%, dodecyl sodium sulfate 2%, dodecyl naphthalenesulfonic acid-formaldehyde condensate 8%, white carbon 10%, precipitated calcium carbonate complements to 100%.
Preparation method: after tridemorph and white carbon mixing and absorption, adds other each component and mixes, through mechanical crushing, then after air-flow crushing, mix, and can obtain 20.4% Shen piperazine mycin tridemorph wetting powder.
Comparative example 17:20.4% polyoxin tridemorph wetting powder (50:1)
Component: polyoxin 20%, tridemorph 0.4%, dodecyl sodium sulfate 2%, dodecyl naphthalenesulfonic acid-formaldehyde condensate 8%, white carbon 10%, precipitated calcium carbonate complements to 100%.
Preparation method: the same.
Embodiment 28:24% Shen piperazine mycin tridemorph wetting powder (79:1)
Component: Shen piperazine mycin 23.7%, tridemorph 0.3%, lauryl sodium sulfate 3%, lignin sodium naphthalene sulfonate 10%, white carbon 10%, kaolin complements to 100%.
Preparation method: after tridemorph and white carbon mixing and absorption, adds other each component and mixes, through mechanical crushing, then after air-flow crushing, mix, and can obtain 24% Shen piperazine mycin tridemorph wetting powder.
Embodiment 29:20.2% Shen piperazine mycin tridemorph wetting powder (100:1)
Component: Shen piperazine mycin 20%, tridemorph 0.2%, neopelex 3%, sodium lignin sulfonate 10%, white carbon 10%, talcum powder complements to 100%.
Preparation method: after tridemorph and white carbon mixing and absorption, adds other each component and mixes, through mechanical crushing, then after air-flow crushing, mix, and can obtain 20.2% Shen piperazine mycin tridemorph wetting powder.
Comparative example 18:20.2% polyoxin tridemorph wetting powder (100:1)
Component: polyoxin 20%, tridemorph 0.2%, neopelex 3%, sodium lignin sulfonate 10%, white carbon 10%, talcum powder complements to 100%.
Preparation method: the same.
The pesticidal preparations control sclerotinia rot of colza obtained by above-described embodiment, comparative example, Alternaria alternate test.
1, test process: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).This test medicine consumption establishes three concentration for the treatment of respectively according to the difference of each composition, and contrast medicament is commercially available agricultural chemicals 40% dimethachlon water dispersible granules, 10% Shen piperazine mycin suspending agent and blank clean water experiment respectively.
2, test method: each plot area is 50m
2, repeat 4 times, the inspection drug effect method before dispenser after Investigation and Prevention is: with blank incidence classification investigation, every community diagonal samples, and often clicks 10 strains, records total strain number, diseased plant number and sick progression.
Adopt following stage division:
0 grade: anosis;
1 grade: lesion area accounts for less than 5% of whole leaf area;
3 grades: lesion area accounts for below the 6%-15% of whole leaf area;
5 grades: lesion area accounts for below the 16%-30% of whole leaf area;
7 grades: lesion area accounts for below the 31%-50% of whole leaf area;
9 grades: lesion area accounts for less than 50% of whole leaf area;
Result of the test sees the following form 3,4:
Table 3 Shen piperazine mycin and the composite control efficiency to sclerotinia rot of colza of dimethachlon
Table 3 field efficacy result shows, within the scope of weight ratio 1:100-100:1, Shen piperazine mycin and dimethachlon Complex synergism obvious, control efficiency is better than single dose kind, particularly within the scope of 1:50-50:1, especially within the scope of 1:25-25:1, Shen piperazine mycin and dimethachlon Complex synergism obvious, have excellent control efficiency to sclerotinia rot of colza, control efficiency is better than single dose kind.
Alternaria alternate field investigation standard adopts following stage division:
0 grade: anosis;
1 grade: lesion area accounts for less than 1% of whole leaf area;
3 grades: lesion area accounts for below the 1%-5% of whole leaf area;
5 grades: lesion area accounts for below the 5%-10% of whole leaf area;
7 grades: lesion area accounts for below the 10%-20% of whole leaf area;
9 grades: lesion area accounts for less than 20% of whole leaf area;
Other Statistical experiments are the same.
Table 4 Shen piperazine mycin and the composite control efficiency to Alternaria alternate of dimethachlon
Inventor find other antibiotics bactericide and dimethachlon composite, within the scope of weight ratio 1:100-100:1, also there is certain Complex synergism.Because length limit, do not enumerate, only construct comparative example with the representational polyoxin of most and embodiment carries out preventive effect contrast, as table 4 field efficacy result shows, within the scope of weight ratio 1:100-100:1, Shen piperazine mycin and dimethachlon Complex synergism are obvious, are better than other antibiotics bactericide and the composite control efficiency of dimethachlon.Within the scope of 1:50-50:1, Shen piperazine mycin and dimethachlon Complex synergism are obvious, within the scope of 1:25-25:1, to the control efficiency of plant disease, are better than other antibiotics bactericide and the composite control efficiency of dimethachlon.
The pesticidal preparations control wheat powdery mildew obtained by above-described embodiment, comparative example, wheat leaf embroider sick test.
1, test process: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).This test medicine consumption establishes three concentration for the treatment of respectively according to the difference of each composition, and contrast medicament is commercially available agricultural chemicals 750g/l tridemorph missible oil respectively, 1% Shen piperazine mycin SC and blank clean water experiment.
2, test method: each plot area is 50m
2, repeat 4 times, the inspection drug effect method before dispenser after Investigation and Prevention is: with blank incidence classification investigation, every community diagonal samples, and often clicks 10 strains, records total strain number, diseased plant number and sick progression.
Adopt following stage division:
0 grade: anosis;
1 grade: lesion area accounts for less than 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 less than 50% of whole leaf area;
Result of the test sees the following form 5,6:
Table 5 Shen piperazine mycin (A) and the composite control efficiency to wheat powdery mildew of tridemorph (B)
Table 5 field efficacy result shows, within the scope of weight ratio 1:100-100:1, Shen piperazine mycin and tridemorph Complex synergism obvious, control efficiency is better than single dose kind, particularly within the scope of 1:50-50:1, especially within the scope of 1:25-25:1, Shen piperazine mycin and tridemorph Complex synergism obvious, have excellent control efficiency to wheat powdery mildew, control efficiency is better than single dose kind.
Wheat leaf is embroidered disease field investigation standard and is adopted following stage division:
0 grade: anosis;
1 grade: lesion area accounts for less than 5% of whole leaf area;
3 grades: lesion area accounts for the 6%-25% of whole leaf area;
5 grades: lesion area accounts for the 26%-50% of whole leaf area;
7 grades: lesion area accounts for the 51%-75% of whole leaf area;
9 grades: lesion area accounts for more than 76% of whole leaf area;
Other Statistical experiments are the same.
Table 6 embodiment is embroidered sick control efficiency with comparative example to wheat leaf and is compared
Inventor find other antibiotics bactericide and tridemorph composite, within the scope of weight ratio 1:100-100:1, also there is certain Complex synergism.Because length limit, do not enumerate, only construct comparative example with the representational polyoxin of most and embodiment carries out preventive effect contrast, as table 6 field efficacy result shows, within the scope of weight ratio 1:100-100:1, Shen piperazine mycin and tridemorph Complex synergism are obvious, are better than other antibiotics bactericide and the composite control efficiency of tridemorph.Within the scope of 1:50-50:1, within the scope of 1:25-25:1, Shen piperazine mycin and tridemorph Complex synergism are obvious, to the control efficiency of plant disease, are better than other antibiotics bactericide and the composite control efficiency of tridemorph.
Inventor finds Shen piperazine mycin and dimethachlon, Shen piperazine mycin and tridemorph is composite has obvious synergistic effect to plant disease, tests its control efficiency to root rotof flax.In identical proportion 1:100-100:1, in the scope of particularly 1:50-50:1, in the scope of especially 1:25-25:1, find Shen piperazine mycin and dimethachlon, Shen piperazine mycin and tridemorph is composite also has obvious synergistic effect, to plant disease, there is obvious synergistic effect.Because length is limited, be not repeated.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a bactericidal composition, is characterized in that, containing effective constituents A and B, wherein A is Shen piperazine mycin, and B is dimethachlon or tridemorph, and the weight ratio of described A and B is 1:100 ~ 100:1.
2. bactericidal composition according to claim 1, is characterized in that, the weight ratio of described A and B is 1:50 ~ 50:1.
3. bactericidal composition according to claim 2, is characterized in that, the weight ratio of described A and B is 1:25 ~ 25:1.
4. according to described bactericidal composition arbitrary in claims 1 to 3, it is characterized in that, also containing pesticidal preparations auxiliary element in described bactericidal composition, to make the formulation being applicable to agriculturally using.
5. bactericidal composition according to claim 4, is characterized in that, described pesticidal preparations auxiliary element is one or more in solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent or wetting agent.
6. bactericidal composition according to claim 4, is characterized in that, the formulation of described bactericidal composition is suspending agent, dry suspending agent, oil-suspending agent, water dispersible granules, wetting powder, seed treatment or suspension seed-coating agent.
7. the application of the arbitrary described bactericidal composition of claim 1 to 6 in the pesticidal preparations of preparation controlling plant diseases.
8. the application of bactericidal composition according to claim 7, it is characterized in that, the application in the pesticidal preparations preparing the water prevention rice sheath blight, rice blast, false smut, wheat rust, powdery mildew, root rotof flax, wheat sharp eyespot, rice sheath blight disease, root rot, sclerotinia rot of colza, maize head smut, capsicum wilt, cucurbits fusarium wilt, downy mildew, epidemic disease, bacterial angular leaf spot, late blight.
9. the application method of the bactericidal composition described in claim 1 to 6, is characterized in that, active principle A and B uses with above-mentioned weight ratio, and it is used after mixing in proportion, use in proportion simultaneously or use successively in proportion.
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| CN105580813A (en) * | 2015-12-18 | 2016-05-18 | 广东中迅农科股份有限公司 | Bactericidal composition containing fluazinam and shenqinmycin |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104839168B (en) | 2017-06-23 |
| CN104839180A (en) | 2015-08-19 |
| CN105961399A (en) | 2016-09-28 |
| CN104886070B (en) | 2017-04-26 |
| CN104839180B (en) | 2017-01-18 |
| CN105961399B (en) | 2018-04-03 |
| CN104886070A (en) | 2015-09-09 |
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