CN104222110A - Benzothiostrobin-containing and dimethomorph-containing bactericidal composition and application of bactericidal composition - Google Patents
Benzothiostrobin-containing and dimethomorph-containing bactericidal composition and application of bactericidal composition Download PDFInfo
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- CN104222110A CN104222110A CN201410464529.9A CN201410464529A CN104222110A CN 104222110 A CN104222110 A CN 104222110A CN 201410464529 A CN201410464529 A CN 201410464529A CN 104222110 A CN104222110 A CN 104222110A
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Abstract
The invention relates to a benzothiostrobin-containing and dimethomorph-containing bactericidal composition and an application of bactericidal composition. The composition is composed of active ingredients and pesticide preparation auxiliary ingredients, wherein the active ingredients are composed of dimethomorph and benzothiostrobin in a weight ratio of (0.1 to 10):1. According to the composition disclosed by the invention, benzothiostrobin and dimethomorph are compounded in a certain ratio range, so that firstly, a remarkable synergistic effect is obtained, and the medication times are reduced, so that the cost is saved; secondly, the two active ingredients in the bactericidal composition are two types of bactericidal agents with different action mechanisms, thus expanding a prevention and treatment spectrum, slowing down the generation of medicine resistance, and prolonging the service life of the medicament; thirdly, the active ingredients of the composition are both high-efficiency, low-toxicity and environment-friendly pesticides, and slightly influence the ecological environment.
Description
Technical field
The present invention relates to a kind of bactericidal composition containing benzene thiophene bacterium ester.
Background technology
Benzene thiophene bacterium ester is a kind of novel methoxy acrylic bactericide, effectively can suppress the mitochondrial respiratory effect of phytopathogen, thus the bactericidal action played protection, treat, root out, and is a kind of environmentally friendly bactericide of efficient, wide spectrum, low toxicity.In addition benzene thiophene bacterium ester directly can also kill the pathogen of invaded plants.Good activity is all had to nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc.Benzene thiophene bacterium ester can be used for cauline leaf spraying, seed treatment, also can carry out soil treatment, be mainly used in cereal, paddy rice, peanut, grape, potato, fruit tree, vegetables, coffee, lawn etc.
Dimethomorph single-mindedly kills Oomycete fungal bactericide, its action character is the formation destroying cell envelope, effect is had to each stage of oomycetes history of life, particularly responsive at the formation stages of sporangiophore and egg spore, (<0.25 μ g/ml) is namely suppressed at much lower concentrations.In this medicine, absorption is strong, and root application, enters each position of plant by root; Blade spray medicine, can enter blade interior.Dimethomorph, as single-minded control Oomycete fungal venereal disease evil medicament, all has good control efficiency to lower fungus venereal disease evils such as downy mildew, peronospora tabacina, late blight, epidemic disease (mould) disease, phytophthora rot, rotten mildew, balck shanks.Can be applicable to grape, lichee, cucumber, muskmelon, balsam pear, tomato, capsicum, potato, brassicaceous vegetable
So far, also do not find benzene thiophene bacterium ester and dimethomorph to carry out composite correlative study or report.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of bactericidal composition containing benzene thiophene bacterium ester and dimethomorph, and said composition can grow, treats plant disease by protective plant, and control efficiency is good, and resistance is low.
For solving above technical problem, the present invention adopts following technical scheme:
A kind of bactericidal composition, it is made up of active component and pesticidal preparations auxiliary element, and wherein, active component is made up of by weight 0.1 ~ 10:1 dimethomorph and benzene thiophene bacterium ester.
Preferably, the weight ratio of dimethomorph and benzene thiophene bacterium ester is 0.2 ~ 5:1.More preferably, the weight ratio of dimethomorph and benzene thiophene bacterium ester is 0.5 ~ 2:1.Most preferably, the weight ratio of dimethomorph and benzene thiophene bacterium ester is 1:1.
According to the present invention, bactericidal composition can make any one preparation type that agricultural chemicals allows.Different preparation types determines corresponding pesticidal preparations auxiliary element.These pesticidal preparations auxiliary elements can be this area institute normally used those, be not particularly limited.Pesticidal preparations auxiliary element has dispersant, wetting agent, defoamer, preservative, disintegrant, antifreeze, thickener etc. usually.
Only unrestricted as enumerating, dispersant can be one or more the combination in polycarboxylic acid salt, lignin sulfonate, alkyl naphthalene formaldehyde condensation product class, ethylene oxide-propylene oxide block copolymer, alkylphenol polyoxyethylene formaldehyde condensation products sulphate etc.Wetting agent can be selected from: lauryl sodium sulfate, neopelex, nekal, polycarboxylic acid salt, castor oil ethylene oxide adduct etc. preparation commonly use wetting agent.Disintegrant can be selected from: one or more in sodium bicarbonate, sodium carbonate, ammonium sulfate, aluminium chloride, magnesium chloride, anhydrous sodium sulfate, calcium chloride, polyethyl acrylate, bentonite, urea.Binding agent can be selected from: one or more in gelatin, gum Arabic, starch, glucose, polyvinylpyrrolidone, polyvinyl alcohol.Defoamer can be selected from: one or more in organosilicon ketone, C8-C10 aliphatic alcohols compound, C10-C20 saturated fat acid compounds.Filler can be selected from: one or more in kaolin, bentonite, starch, precipitated calcium carbonate, talcum powder.Preservative can be selected from: one or more in benzoic acid, sorbic acid, isothiazole beautiful jade ketone.Thickener can be selected from: one or more in xanthans, aluminium-magnesium silicate, white carbon.Antifreeze can be selected from: one or more in glycerine, ethylene glycol, propane diols.
As preferred version of the present invention, the formulation of bactericidal composition is suspending agent and water dispersible granules.
Concrete and the preferred aspect according to one, described bactericidal composition is water dispersible granules, and agricultural chemicals auxiliary element is made up of dispersant, wetting agent, filler, disintegrant and binding agent.
In above-mentioned water dispersible granules, dispersant, wetting agent, filler, disintegrant and binding agent etc. all by carrying out corresponding selection from known auxiliary agent, to obtain corresponding preparation.
As preferred version of the present invention, the dispersant in water dispersible granules is the combination that forms of 1:0.5 ~ 2 in mass ratio of lignosulfonates and alkyl naphthalene formaldehyde condensation product, and wetting agent is lauryl sodium sulfate.Preferably, dispersant is account for 3% ~ 8% and 0.5% ~ 2% of bactericidal composition respectively with the consumption of wetting agent.Applicant finds when selecting this dispersant and wetting agent in lot of experiments, and the technical indicator of water dispersible granules is best and drug effect can be able to maximum performance.
According to another concrete and preferred aspect, described bactericidal composition is suspending agent, and agricultural chemicals auxiliary element is made up of dispersant, wetting agent, defoamer, antifreeze, preservative, thickener and water.
In above-mentioned suspending agent, dispersant, wetting agent, defoamer, antifreeze, preservative, thickener etc. all by carrying out corresponding selection from known auxiliary agent, to obtain corresponding preparation.
As preferred version of the present invention, the dispersant in suspending agent is the combination that forms of 1:0.5 ~ 2 in mass ratio of polycarboxylate compounds and ethylene oxide-propylene oxide block copolymer, and wetting agent is castor oil ethylene oxide adduct.Preferably, dispersant is account for 1% ~ 6% and 0.2% ~ 2% of bactericidal composition respectively with the consumption of wetting agent.Applicant finds when selecting this dispersant and wetting agent in lot of experiments, and the indices of suspending agent is best and drug effect can be able to maximum performance.
According to the present invention, in described composition, the content of active component is generally 5wt% ~ 80wt%, no preparation type, and active component content scope is different.
Bactericidal composition of the present invention has prevention & protection, treatment and eradicant action to plant, to plant growth safety without poisoning, is applicable to many plant things as field crop, fruit tree, vegetables, flowers and lawn.The nearly all Mycophytes of this bactericidal composition (Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti) disease, as downy mildew, powdery mildew, rust, grain husk withered lame, net blotch, rice blast, late blight, epidemic disease (mould) disease, phytophthora rot, rotten mildew, balck shank etc. all have good activity.For this reason, the present invention also in particular to said composition for preventing and treating the purposes of the fungal disease on fruit tree, vegetables and cereal crop.The present composition has especially good control efficiency for cucumber downy mildew.
Owing to adopting above technical scheme, the present invention compared with prior art tool has the following advantages:
Benzene thiophene bacterium ester and dimethomorph carry out composite by the present invention within the scope of certain proportion, and one is, achieve the synergistic function of highly significant, reduce spraying times, have saved cost; Two are, two kinds of active components in this bactericidal composition are the bactericide of the different mechanisms of action of two classes, expand control spectrum, slow down drug-fast generation, extend medicament service life; Three, this combined activity composition is high-efficiency low-toxicity environment-protection pesticide, little to eco-environmental impact.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further details.Following percentage composition is weight content.
The embodiment of the present invention adopts indoor bioassay and field control effectiveness test to combine method.Test medicine provides by Jiangsu Qizhou Green Chemical Co., Ltd.
Application Example one
Dimethomorph and the composite Toxicity Determination to cucumber downy mildew of benzene thiophene bacterium ester-plate blade method
Select cucumber susceptible variety potted plant, from top to bottom 4 ~ 6 leaf positions, clip same area, growing way be consistent, with the blade of 1cm ~ 2cm petiole, wrapping up blade with wet cotton balls, to be placed on moisturizing in culture dish for subsequent use.Select the blade of downy mildew morbidity, with the sporangium in 4 DEG C of distillation washing lower back faces, be made into 1 × 10
6the spore suspension of/mL.The sporangia suspension drop 10 μ L configured is inoculated in vacuum side of blade for subsequent use.4, every sheet leaf, each process 5 leaves.24h after inoculation, evenly sprays composition liquid serial dilutions in vacuum side of blade, treats natural air drying, put into moisture preservation box.Each medicament establishes 5 dosage process respectively by active constituent content, if clear water contrast.Investigation blank incidence, surveying record lesion diameter, unit is mm.
Test DPS data processing software tries to achieve the EC of composition medicament to bacterium of downy mildew of cucumber
50value.Evaluate the synergistic effect of pharmacy mix according to the coefficient of synergism of Wadley method calculating mixture, namely coefficient of synergism <0.5 is antagonism, and 0.5≤coefficient of synergism≤1.5 are summation action, and >1.5 is synergistic effect.
Toxicity test result is see table 1.
Table 1 benzene thiophene bacterium ester and the composite toxicity test result to cucumber downy mildew of dimethomorph
From upper table 1, dimethomorph, benzene thiophene bacterium ester are to the EC of cucumber downy mildew
50be respectively 11.50mg/L and 4.35mg/L.Benzene thiophene bacterium ester and dimethomorph is composite in the scope of 10:1 to 1:10 all shows synergistic effect, coefficient of synergism 1.60 ~ 2.32, when dimethomorph and benzene thiophene bacterium ester weight ratio the most obvious in the scope synergistic effect of 2:1 to 1:1, wherein dimethomorph and benzene thiophene bacterium ester weight ratio the highest to bacterium of downy mildew of cucumber virulence when 1:1, EC
50for 2.32mg/L.
Implementation of an application example two
Embodiment 1 30% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): dimethomorph 15%, benzene thiophene bacterium ester 15%, castor oil ethylene oxide adduct 1%, ethylene oxide-propylene oxide block copolymer 1%, alkyl naphthalene formaldehyde condensation product 2%, glycerine 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, organic silicone 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%
Compound method is as follows: each mixing of materials resulting mixture of weighing according to the above ratio, after clipper tentatively shears mixing, add in sand mill and grind about 3h under 2000r/min rotating speed, measure particle diameter 98%<3 μm and stop grinding, obtain suspending agent through vacuum froth breaking.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 95%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 1.5%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 7.0.
Embodiment 2 30% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): dimethomorph 20%, benzene thiophene bacterium ester 10%, polycarboxylic acid salt 2%, alkyl naphthalene formaldehyde condensation product 3%, propane diols 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, C8-C10 aliphatic alcohols compound 0.4%, sorbic acid 0.2%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is with embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 98%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 0.5%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 6.8.
Embodiment 3 30% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): dimethomorph 25%, benzene thiophene bacterium ester 5%, alkylphenol polyoxyethylene formaldehyde condensation products sulphate 3%, nekal 2%, ethylene glycol 5%, aluminium-magnesium silicate 0.4%, xanthans 0.2%, organic silicone 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is with embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 97%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 0.5%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 7.2.
Embodiment 4 22% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): dimethomorph 20%, benzene thiophene bacterium ester 2%, alkylphenol polyoxyethylene formaldehyde condensation products sulphate 3%, nekal 2%, ethylene glycol 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, organic silicone 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is with embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 96%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 1.0%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 8.0.
Embodiment 5 44% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 4%, benzene thiophene bacterium ester 40%, lauryl sodium sulfate 1%, lignin sulfonate 2%, alkyl naphthalene formaldehyde condensation product class 2%, ammonium sulfate 5%, glucose 2%, kaolin complements to 100%.
Compound method is as follows: each material stirring uniformly mixture of weighing according to the above ratio, mechanical crusher is used tentatively to pulverize, mixture after pulverizing is used the further air-flow crushing of airslide disintegrating mill, to the particle diameter 99%<10 μm pulverizing rear particle.Add water qualified for pulverizing mixture about 14% kneading extruder grain, and extruded particle obtains water dispersible granules through 60 DEG C of bake dryings, moisture <3%.
The technical indicator of water dispersible granules is as follows: graduated cylinder bulk method detects has good preliminary dispersiveness and again dispersed, and wetting time adopts cylinder scale method mensuration, wetting time 1.5min, disintegration time 2min.
Embodiment 6 60% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 10%, benzene thiophene bacterium ester 50%, neopelex 1%, lignin sulfonate 2%, ethylene oxide-propylene oxide block copolymer 2%, urea 2%, polyvinyl alcohol 2%, bentonite complements to 100%.
Compound method is as embodiment 5.
The technical indicator of water dispersible granules is as follows: wetting time 1min, disintegration time 2.5min.
Embodiment 7 60% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 20%, benzene thiophene bacterium ester 40%, neopelex 2%, alkylphenol polyoxyethylene formaldehyde condensation products sulphate 2%, ethylene oxide-propylene oxide block copolymer 3%, calcium chloride 2%, kaolin 10%, talcum powder complements to 100%.
Compound method is as embodiment 5.
The technical indicator of water dispersible granules is as follows: wetting time 2min, disintegration time 2.5min.
Embodiment 8 64% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 4%, benzene thiophene bacterium ester 60%, neopelex 2%, lignin sulfonate 3%, ethylene oxide-propylene oxide block copolymer 1%, ammonium sulfate 2%, glucose 2%, talcum powder complements to 100%.
Compound method is as embodiment 5.
The technical indicator of water dispersible granules is as follows: wetting time 0.5min, disintegration time 2min.
Embodiment 9 64% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 4%, benzene thiophene bacterium ester 60%, neopelex 2%, lignin sulfonate 3%, ethylene oxide-propylene oxide block copolymer 1%, starch 2%, talcum powder complements to 100%.
Compound method is as embodiment 5.
The technical indicator of water dispersible granules is as follows: wetting time 0.4min, disintegration time 2.8min.
Embodiment 10 42% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 2%, benzene thiophene bacterium ester 40%, neopelex 2%, lignin sulfonate 3%, ethylene oxide-propylene oxide block copolymer 1%, ammonium sulfate 4%, kaolin complements to 100%.
Compound method is as embodiment 5.
The technical indicator of water dispersible granules is as follows: wetting time 1min, disintegration time 2min.
Embodiment 11 32% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): dimethomorph 30%, benzene thiophene bacterium ester 2%, alkylphenol polyoxyethylene formaldehyde condensation products sulphate 3%, nekal 2%, glycerine 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, C10-C20 saturated fat acid compounds 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is as embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 94%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 2.5%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 7.3.
Embodiment 12 42% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): dimethomorph 40%, benzene thiophene bacterium ester 2%, castor oil ethylene oxide adduct 2%%, polycarboxylic acid salt 3%, glycerine 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, C10-C20 saturated fat acid compounds 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is as embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 94%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 2%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 7.0.
Embodiment 13 30% benzene thiophene bacterium ester suspending agent
Composition of raw materials following (mass percentage): benzene thiophene bacterium ester 30%, castor oil ethylene oxide adduct 2%, polycarboxylic acid salt 3%, glycerine 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, C10-C20 saturated fat acid compounds 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is as embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 95%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 0.5%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 6.8.
Embodiment 14 40% dimethomorph suspending agent
Composition of raw materials following (mass percentage): dimethomorph 40%, castor oil ethylene oxide adduct 2%, ethylene oxide-propylene oxide block copolymer 3%, ethylene glycol 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, C10-C20 saturated fat acid compounds 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is as embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 93%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 1.5%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 8.0.
Embodiment 15 30% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): benzene thiophene bacterium ester 15%, dimethomorph 15%, castor oil ethylene oxide adduct 1%, polycarboxylate compounds 2%, ethylene oxide-propylene oxide block copolymer 1%, glycerine 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, organic silicone 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is as embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 98%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 1.0%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 7.0.
Embodiment 16 30% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): benzene thiophene bacterium ester 15%, dimethomorph 15%, castor oil ethylene oxide adduct 1%, polycarboxylate compounds 3%, glycerine 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, organic silicone 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is as embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 98%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 1.0%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 7.2.
Embodiment 17 30% benzene thiophene bacterium ester dimethomorph suspending agent
Composition of raw materials following (mass percentage): benzene thiophene bacterium ester 15%, dimethomorph 15%, castor oil ethylene oxide adduct 1%, ethylene oxide-propylene oxide block copolymer 3%, glycerine 5%, aluminium-magnesium silicate 0.5%, xanthans 0.2%, organic silicone 0.4%, benzoic acid 0.4%, isothiazole beautiful jade ketone 0.2%, water complements to 100%.
Compound method is as embodiment 1.
Suspending agent refers to that technical indicator is as follows: outward appearance is for flowing sticky shape unit for uniform suspension, average grain diameter 98%<3 μm, suspensibility 97%, 54 DEG C of heat storages are stablized for 14 days, without severe delamination, caking and crystalline polamer, and resolution ratio 1.0%, 24h is deposited at-10 DEG C, thaw at room temperature 8h, through 3 times repeatedly without being separated, pH is 7.3.
Embodiment 18 60% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 20%, benzene thiophene bacterium ester 40%, lauryl sodium sulfate 2%, lignin sulfonate 2%, alkyl naphthalene formaldehyde condensation product 3%, ammonium sulfate 5%, glucose 2%, kaolin complements to 100%.
Compound method is as embodiment 5.
The technical indicator of water dispersible granules is as follows: wetting time 1min, disintegration time 1.5min.
Embodiment 19 60% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 20%, benzene thiophene bacterium ester 40%, lauryl sodium sulfate 2%, lignin sulfonate 5%, ammonium sulfate 5%, glucose 2%, kaolin complements to 100%.
Compound method is as embodiment 5.
The technical indicator of water dispersible granules is as follows: wetting time 1.2min, disintegration time 1.8min.
Embodiment 20 60% benzene thiophene bacterium ester dimethomorph water dispersion granula
Composition of raw materials following (mass percentage): dimethomorph 20%, benzene thiophene bacterium ester 40%, lauryl sodium sulfate 2%, alkyl naphthalene formaldehyde condensation product 5%, ammonium sulfate 5%, glucose 2%, kaolin complements to 100%.
Compound method is as embodiment 5.
The technical indicator of water dispersible granules is as follows: wetting time 1.5min, disintegration time 2.3min.
The preparation of above-described embodiment 1 ~ 20 is implemented according to national standard " pesticide field efficacy medicine test criterion (one) bactericidal agent for preventing and treating cucumber downy mildew, GB/T 17980.26-2000 " cucumber downy mildew field control effectiveness test.Result is see table 2.
Table 2: the above-mentioned medicament example of the present invention to cucumber downy mildew field efficacy result,
From upper table 2, dimethomorph and benzene thiophene bacterium ester different proportion composite, effectively can prevent and treat cucumber downy mildew in field, within the scope of composite ratio 0.1 ~ 1:1, after last dispenser, 7 days preventive effects are all greater than 84%, and drug effect is used alone apparently higher than two kinds of medicaments, and has the good lasting period.Dimethomorph and the composite ratio of benzene thiophene bacterium ester are within the scope of 0.05 ~ 0.067:1, and field efficacy is used alone a little more than two kinds of medicaments, but synergy is not obvious, is only simple summation action.
See embodiment 1 and embodiment 15 to 17, its formula difference is only that dispersant is different with wetting agent, but the preventive effect of embodiment 15 and technical indicator all improve than embodiment 1,16 and 17, and illustrate, the employing of specific dispersant and wetting agent can make suspending agent preventive effect play to the full extent.
See embodiment 7 and embodiment 18 to 20, its formula difference is only that dispersant is different with wetting agent, but the preventive effect of embodiment 18 and technical indicator all improve than embodiment 7,19 and 20, and illustrate, the employing of specific dispersant and wetting agent can make water dispersible granules preventive effect play to the full extent.
In the above embodiment scope of application, cucumber growth is all had no adverse effects.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. a bactericidal composition, it is made up of active component and pesticidal preparations auxiliary element, it is characterized in that: described active component is made up of by weight 0.1 ~ 10:1 dimethomorph and benzene thiophene bacterium ester.
2. bactericidal composition according to claim 1, is characterized in that: the weight ratio of dimethomorph and benzene thiophene bacterium ester is 0.2 ~ 5:1.
3. bactericidal composition according to claim 2, is characterized in that: the weight ratio of dimethomorph and benzene thiophene bacterium ester is 0.5 ~ 2:1.
4. the bactericidal composition any one of claims 1 to 3 described in claim, is characterized in that: the formulation of described composition is for being selected from water dispersible granules or suspending agent.
5. bactericidal composition according to claim 4, is characterized in that: described bactericidal composition is water dispersible granules, and described agricultural chemicals auxiliary element is made up of dispersant, wetting agent, filler, disintegrant and binding agent.
6. bactericidal composition according to claim 5, is characterized in that: described dispersant is the combination that forms of 1:0.5 ~ 2 in mass ratio of lignin sulfonate and alkyl naphthalene formaldehyde condensation product, and described wetting agent is lauryl sodium sulfate.
7. bactericidal composition according to claim 4, is characterized in that: described bactericidal composition is suspending agent, and described agricultural chemicals auxiliary element is made up of dispersant, wetting agent, defoamer, antifreeze, preservative, thickener and water.
8. bactericidal composition according to claim 7, it is characterized in that: described dispersant is the combination that forms of 1:0.5 ~ 2 in mass ratio of polycarboxylate and ethylene oxide-propylene oxide block copolymer, and described wetting agent is alkylphenol polyoxyethylene formaldehyde condensation products sulphate.
9. bactericidal composition according to claim 1, is characterized in that: in described composition, and the content of active component is 5wt% ~ 80wt%.
10. the bactericidal composition any one of claim 1 to 9 as described in claim is for preventing and treating the purposes of the fungal disease on fruit tree, vegetables and cereal crop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464529.9A CN104222110B (en) | 2014-09-12 | 2014-09-12 | A kind of bactericidal composition and application thereof containing benzene thiophene bacterium ester and dimethomorph |
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| CN201410464529.9A CN104222110B (en) | 2014-09-12 | 2014-09-12 | A kind of bactericidal composition and application thereof containing benzene thiophene bacterium ester and dimethomorph |
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| Publication Number | Publication Date |
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| CN104222110A true CN104222110A (en) | 2014-12-24 |
| CN104222110B CN104222110B (en) | 2016-03-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108064857A (en) * | 2016-11-11 | 2018-05-25 | 华中师范大学 | A kind of composition pesticide and its application containing benzothiostrobin and dimethomorph |
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| US4753934A (en) * | 1983-02-28 | 1988-06-28 | Celamerck Gmbh & Co. Kg | Acrylic acid heterocyclic amides, fungicidal compositions and use |
| WO2004105489A1 (en) * | 2003-06-02 | 2004-12-09 | Ishihara Sangyo Kaisha, Ltd. | Agricultural fungicide composition |
| CN101953356A (en) * | 2010-10-13 | 2011-01-26 | 山东农业大学 | Dimethomorph-containing thermal smoke agent for preventing and controlling downy mildew of vinyl house cucumbers |
| CN103027054A (en) * | 2011-12-27 | 2013-04-10 | 湖北仙隆化工股份有限公司 | Composition containing benzothiostrobin and azoxystrobin and having bactericidal effect |
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| US4753934A (en) * | 1983-02-28 | 1988-06-28 | Celamerck Gmbh & Co. Kg | Acrylic acid heterocyclic amides, fungicidal compositions and use |
| WO2004105489A1 (en) * | 2003-06-02 | 2004-12-09 | Ishihara Sangyo Kaisha, Ltd. | Agricultural fungicide composition |
| CN101953356A (en) * | 2010-10-13 | 2011-01-26 | 山东农业大学 | Dimethomorph-containing thermal smoke agent for preventing and controlling downy mildew of vinyl house cucumbers |
| CN103027054A (en) * | 2011-12-27 | 2013-04-10 | 湖北仙隆化工股份有限公司 | Composition containing benzothiostrobin and azoxystrobin and having bactericidal effect |
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| CN108064857A (en) * | 2016-11-11 | 2018-05-25 | 华中师范大学 | A kind of composition pesticide and its application containing benzothiostrobin and dimethomorph |
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