CN102396484A - Bactericidal combination containing iprodione and methoxyacrylic acid ester - Google Patents
Bactericidal combination containing iprodione and methoxyacrylic acid ester Download PDFInfo
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- CN102396484A CN102396484A CN2011103966354A CN201110396635A CN102396484A CN 102396484 A CN102396484 A CN 102396484A CN 2011103966354 A CN2011103966354 A CN 2011103966354A CN 201110396635 A CN201110396635 A CN 201110396635A CN 102396484 A CN102396484 A CN 102396484A
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Abstract
The invention discloses a bactericidal combination containing iprodione and a methoxyacrylic acid ester, which is mainly characterized in that the bactericidal combination contains an active ingredient A, an active ingredient B and the balance of adjuvant, the active ingredient A is the iprodione, the active ingredient B is any one of pyraclostrobin and fluoxastrobin, the weight ratio of the active ingredient A to the active ingredient B is 60:1 to 1:60, and the combination can be prepared into wettable powder, water dispersible granules, suspending agent, suspending emulsion, emulsion in water and microemulsion. The bactericidal combination disclosed by the invention has the advantages that the combination can be used for preventing and controlling various diseases, the synergistic effect is obvious, the bactericidal spectrum is expanded and the activity to diseases on cereal crops, vegetables, fruit trees and economic crops is higher; the combination has a slow release effect, the pesticide dosage is reduced, the combination is safe to human and livestock and does not have pesticide damage and the environmental compatibility is good; and the adhesive force of preparations is enhanced, the preparations are resistant to rainwater washing, the efficacy lasts long, and the like.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of bactericidal composition that contains iprodione and methoxy acrylic.
Background technology
Iprodione (iprodione) chemical name: 3-(3, the 5-dichlorophenyl)-N-isopropyl-2,4-dioxo imidazoline-1-carboxylic acid amides, chemical molecular formula: C
13H
13C1
2N
3O
3Iprodione belongs to the agent of broad spectrum activity contact sterilization, and bacterium such as Botrytis, neurospora, Sclerotinia, bulbil genus are had bactericidal effect preferably.Bacterium such as Alternaria, the mould genus of the spore of wriggling, silk nuclear genus, Fusarium, volt leather genus are also produced effect.
Pyraclostrobin (pyraclostrobin) and fluoxastrobin (Fluoxastrobin) all belong to methoxy acrylic bactericide, and the mechanism of action also is the mitochondrial respiratory inhibitor, promptly pass through at cytochrome b and C
1Between electronics shift to suppress mitochondrial breathing, the systemic activity of the excellence that all has can be by fast Absorption, and can transmit to the top equably in leaf portion, so have good resistance of rainwater washing against ability.
Yet in the real process of agricultural production, preventing and treating the problem that disease is easy to generate most is the generation of disease drug resistance.The different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals all is an additive effect, and the seldom composite of synergistic effect really arranged, especially synergistic effect very obviously, co-toxicity coefficient very high composite just still less.Test discovery in a large number through the inventor, after iprodione and pyraclostrobin, fluoxastrobin were composite, synergistic effect was remarkable, and Environmental compatibility is fabulous, has greatly reduced the agricultural chemicals dosage.
Summary of the invention
The bactericidal composition that the present invention proposes contains iprodione, pyraclostrobin or two kinds of active components of fluoxastrobin, and an amount of surfactant and carrier.
A kind of bactericidal composition that contains iprodione and methoxy acrylic comprises active components A, active component B, the auxiliary agent surplus.It is characterized in that: active components A is an iprodione, and active component B is a kind of arbitrarily in pyraclostrobin, the fluoxastrobin, and the weight ratio of active components A and active component B is 60: 1～1: 60.
The described bactericidal composition that contains iprodione and methoxy acrylic is characterized in that: the weight ratio of active components A and active component B is 40: 1～1: 40.
The described bactericidal composition that contains iprodione and methoxy acrylic is characterized in that: the weight ratio of iprodione and pyraclostrobin is 18: 1～1: 3.
The described bactericidal composition that contains iprodione and methoxy acrylic is characterized in that: the weight ratio of iprodione and fluoxastrobin is 15: 1～1: 5.
The described bactericidal composition that contains iprodione and methoxy acrylic is characterized in that: composition is processed wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
The described bactericidal composition that contains iprodione and methoxy acrylic is used to prevent and treat the application of disease on cereal crop, vegetables, fruit tree, the economic type crop.
Described application prevents and treats disease and comprises: anthracnose, stalk break, gray mold, early blight, crown rot, powdery mildew, downy mildew, scab, leaf spot, rust, clever blessing disease, net blotch, late blight, leaf rust, yellow rust, moire disease, brown spot, net blotch, full rot.
At least contain a kind of surfactant in the bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 5%～40% of a total formulation weight amount, and surplus is solid or liquid diluent.The surfactant that bactericidal composition of the present invention is selected for use is known in those skilled in the art: can be selected from dispersant, wetting agent, emulsifier or the antifoaming agent one or more.
The said bactericidal composition that contains iprodione and methoxy acrylic is characterized in that: comprise following constituent content when processing wetting powder: active components A 0.1%～60%, active component B 0.1%～60%, dispersant 5%～10%, wetting agent 2%～10%, filler 8%～92.8%.
Active components A, active component B, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into iprodione pyraclostrobin wetting powder product.
The said bactericidal composition that contains iprodione and methoxy acrylic is characterized in that: comprise following constituent content when composition is processed water dispersible granules: active components A 0.1%～60%, active component B 0.1%～60%, dispersant 3%～12%, wetting agent 1%～8%, disintegrant 1%～10%, filler 10%～94.8%.
Active components A, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, obtain the materials of granulating.It is interior through after granulation and the drying to expect that article are quantitatively sent the fluidized bed granulation dryer to, makes iprodione pyraclostrobin water dispersible granules product.
The said bactericidal composition that contains iprodione and methoxy acrylic; It is characterized in that: comprise following constituent content when composition is processed suspending agent: active components A 0.1%～50%, active component B 0.1%～50%, dispersant 2～10%, wetting agent 2～10%, antifoaming agent 0.1～1%, thickener 0.1～2%, antifreeze 0.1～8%, emulsifier 0.5%～5%, water adds to 100%.
Dispersant, wetting agent, antifoaming agent, thickener, antifreeze, emulsifier in the above-mentioned formulation material are mixed through high speed shear; Add iprodione, pyraclostrobin ball milling 2～3 hours in ball mill; Make diameter of particle all below 5 μ m, make suspending agent product of the present invention.
The said bactericidal composition that contains iprodione and methoxy acrylic; It is characterized in that: comprise following constituent content when composition is processed suspension emulsion: active components A 0.1%～50%, active component B 0.1%～50%, emulsifier 2%～12%, dispersant 2%～10%, antifoaming agent 0.1%～2%, thickener 0.1%～2%, antifreeze 0.1%～8%, stabilizing agent 0.05%～3%, deionized water add to 100%.
Dispersant, antifoaming agent, thickener, antifreeze, stabilizing agent in the above-mentioned formulation material are mixed through high speed shear; Add the former medicine of iprodione; Ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes iprodione suspending agent; Then with the former medicine of active component B, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.
Comprise following constituent content when composition is processed aqueous emulsion: active components A 0.1%～50%, active component B 0.1%～50%, solvent 0%～30%, emulsifier 1%～15%, co-emulsifier 0%～8%, antifreeze 0%～10%, thickener 0.1%～2%, antifoaming agent 0.01%～2%, deionized water are supplied surplus.
Above-mentioned prescription is mixed, active ingredient, solvent, emulsifier, co-emulsifier are added together, make and be dissolved into even oil phase; Water, antifreeze, thickener, antifoaming agent are mixed, become the homogeneous water.Under high-speed stirred, water is added oil phase, make aqueous emulsion product of the present invention.
Comprise following constituent content when composition is processed microemulsion: active components A 0.1%～50%, active component B 0.1%～50%, solvent 0%～30%, emulsifier 3%～20%, co-emulsifier 0%～12%, antifreeze 0%～10%, thickener 0.1%～2%, antifoaming agent 0.01%～2%, stabilizing agent 0%～4%, deionized water is supplied surplus.
Iprodione and the former medicine of active component B are dissolved in the homogenizer that solvent and cosolvent are housed; Give intense mixing and homogenize after joining emulsifier, stabilizing agent and antifreeze, water in the homogenizer that above-mentioned solution is housed, obtain the as clear as crystal microemulsion product of the present invention of outward appearance at last.
Described dispersant is selected from alkylnaphthalene sulfonate; Two (alkyl) naphthalenesulfonate formaldehyde condensation compound; Naphthalene sulfonic acid-formaldehyde condensation product; Aryl phenol polyoxyethylene succinate sulfonate; Octylphenol polyethylene oxyethylene group ether sulfate; Polycarboxylate; Lignosulfonates; The phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy; Alkyl benzene sulfonate calcium salt; The naphthalene sulfonic acid-formaldehyde condensation product sodium salt; Alkylphenol-polyethenoxy is phonetic; Aliphatic amine polyoxyethylene is phonetic; Polyoxyethylene carboxylate; During the ester polyoxyethylene is phonetic one or more.
Described wetting agent is selected from: lauryl sodium sulfate, neopelex, Nekal BX, washing powder, farming breast 2000
#Series, sldium lauryl sulfate, wetting and penetrating agent F, wetting agent T, spaonin powder, tea are withered, in the silkworm excrement, soapberry powder one or more.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, the glucose.
Described emulsifier is selected from: farming breast 500
#(alkyl benzene calcium sulfonate), OP series phosphate (NPE phosphate), 600
#Phosphate (phenyl phenol polyoxy ethyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, farming breast 400
#(benzyl dimethyl phenol polyoxy ethyl ether), farming breast 600
#(phenyl phenol polyoxy ethyl ether), Nongru-700
#(alkylphenol-formaldehyde resin polyoxy ethyl ether), farming breast 36
#(phenethyl fluosite polyoxy ethyl ether), farming breast 1600
#(phenethyl phenol polyoxy ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (NPE), By series (castor oil polyoxyethylene ether), farming breast 33
#(alkylaryl polyoxyethylene polyoxypropylene ether), farming breast 34
#In (alkylaryl polyoxyethylene poly-oxygen propylene aether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), the EO series (the pure APEO of fat) one or more.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, the polyethylene glycol.
Described antifoaming agent is selected from: silicone, C
8～10Aliphatic alcohols, C
10～20In saturated fat acids (like capric acid) and acid amides, silicone oil, the silicone compound one or more.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate, the vegetable oil.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
The invention has the advantages that:
(1) iprodione and pyraclostrobin or fluoxastrobin composite after, have notable synergistic and lasting effect;
(2) enlarged fungicidal spectrum, all there have been greater activity the anthracnose of cereal crop, vegetables, fruit tree, economic type crop, stalk break, gray mold, early blight, crown rot, powdery mildew, downy mildew, scab, leaf spot, rust, clever blessing disease, net blotch, late blight, leaf rust, yellow rust, moire disease, brown spot, net blotch, full rot etc.;
(3) reduce the dosage of agricultural chemicals, reduced the residual quantity of agricultural chemicals on crop, alleviated environmental pollution;
(4) to the person poultry safety, Environmental compatibility is good, and disease is difficult for developing immunity to drugs.
Embodiment
The present invention is explained further that the percentage among the embodiment is weight ratio below in conjunction with embodiment, but the present invention is not limited thereto.
Application implementation example one
Embodiment 160.1% iprodione pyraclostrobin wetting powder
Iprodione 60%, pyraclostrobin 0.1%, two (alkyl) naphthalenesulfonate formaldehyde condensation compound 5%, neopelex 4%, white carbon 8%; Kaolin adds to 100%; Mixture carries out comminution by gas stream, makes 60.1% iprodione pyraclostrobin wetting powder.
Embodiment 280% iprodione pyraclostrobin wetting powder
Iprodione 60%, pyraclostrobin 20%, lignosulfonates 6.5%, sldium lauryl sulfate 5%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 80% iprodione pyraclostrobin wetting powder.
Embodiment 340% iprodione fluoxastrobin wetting powder
Iprodione 30%, fluoxastrobin 10%, naphthalene sulfonic acid-formaldehyde condensation product 5.6%, Nekal BX 3.4%, spaonin powder 2%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 40% iprodione fluoxastrobin wetting powder.
Embodiment 460% iprodione fluoxastrobin wetting powder
Iprodione 50%, fluoxastrobin 10%, aryl phenol polyoxyethylene succinate sulfonate 8%, silkworm excrement 4%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 60% iprodione fluoxastrobin wetting powder.
Embodiment 545% iprodione pyraclostrobin water dispersible granules
Iprodione 40%, pyraclostrobin 5%, aryl phenol polyoxyethylene succinate sulfonate 5%, sldium lauryl sulfate 4%, kaolin add to 100%, the mixed 45% iprodione pyraclostrobin water dispersible granules that gets.
Embodiment 665% iprodione pyraclostrobin water dispersible granules
Iprodione 60%, pyraclostrobin 5%, wetting agent T6%, naphthalene sulfonic acid-formaldehyde condensation product 4%, sodium alginate 3%, white carbon 5%, bentonite add to 100%, the mixed 65% iprodione pyraclostrobin water dispersible granules that gets.
Embodiment 740% iprodione fluoxastrobin water dispersible granules
Iprodione 32%, fluoxastrobin 8%, ester polyoxyethylene are phonetic 6.5%, wetting and penetrating agent F5%, aluminium chloride 2.5%, kaolin add to 100%, mixed 40% iprodione fluoxastrobin water dispersible granules.
Embodiment 860.1% iprodione fluoxastrobin water dispersible granules
Iprodione 0.1%, fluoxastrobin 60%, octylphenol polyethylene oxyethylene group ether sulfate 5%, wetting and penetrating agent F 3%, sodium bicarbonate 3%, gum Arabic 2%, bentonite add to 100%, the mixed 60.1% iprodione fluoxastrobin water dispersible granules that gets.
Embodiment 924% iprodione pyraclostrobin suspending agent
Iprodione 16%, pyraclostrobin 8%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 6%, silicone antifoaming agent 4%, aluminium-magnesium silicate 3%, agricultural newborn 500#6%, deionized water add to 100%, the mixed 24% iprodione pyraclostrobin suspending agent that gets.
Embodiment 1042% iprodione pyraclostrobin suspending agent
Iprodione 35%, pyraclostrobin 7%, ester polyoxyethylene are phonetic 6%, tea is withered 5%, C
8～10Aliphatic alcohols 3%, white dextrin 3%, deionized water add to 100%, the mixed 42% iprodione pyraclostrobin suspending agent that gets.
Embodiment 1130% iprodione fluoxastrobin suspending agent
Iprodione 28%, fluoxastrobin 2%, aryl phenol polyoxyethylene succinate sulfonate 5.5%, silicone antifoaming agent 0.8%, aluminium-magnesium silicate 1.2%, alkyl biphenyl ether disulfonic acid magnesium salts 5%, deionized water add to 100%, the mixed 30% iprodione fluoxastrobin suspending agent that gets.
Embodiment 1236% iprodione fluoxastrobin suspending agent
Iprodione 30%, fluoxastrobin 6%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 8%, soapberry powder 2%, PAA 5%, silicone oil 1.8%, deionized water add to 100%, the mixed 36% iprodione fluoxastrobin suspending agent that gets.
Embodiment 1330% iprodione pyraclostrobin suspension emulsion
The phonetic formaldehyde condensation products sulphate of iprodione 15%, pyraclostrobin 15%, alkylphenol-polyethenoxy 5%, wetting and penetrating agent F 4%, 600# phosphate 5%, melon glue 3%, glycerine 2.5%, deionized water add to 100%, mixed 30% iprodione pyraclostrobin suspension emulsion.
Embodiment 1440% iprodione pyraclostrobin suspension emulsion
Iprodione 35%, pyraclostrobin 5%, aliphatic amine polyoxyethylene are phonetic 6%, wetting agent T4%, sodium alginate 2%, agricultural newborn 36#5%, triethylene glycol 3%, silicone oil 0.5%, deionized water add to 100%, through mixed 40% iprodione pyraclostrobin suspension emulsion.
Embodiment 1520% iprodione fluoxastrobin suspension emulsion
Iprodione 10%, fluoxastrobin 10%, styrene polyoxyethylene ether ammonium sulfate salt 5%, agricultural newborn 1600#8%, silicone compound 3%, propane diols 2%, deionized water add to 100%, the mixed 20% iprodione fluoxastrobin suspension emulsion that gets.
Embodiment 1632% iprodione fluoxastrobin suspension emulsion
Iprodione 26%, fluoxastrobin 6%, alkylphenol-polyethenoxy are phonetic 3.8%, tea is withered 6.5%, polyethylene glycol 1.6%, tween series 7%, glycerine 2.2%, silicone 0.3%, deionized water add to 100%, through mixed 32% iprodione fluoxastrobin suspension emulsion.
Embodiment 1715% iprodione pyraclostrobin microemulsion
The phonetic formaldehyde condensation products sulphate of iprodione 5%, pyraclostrobin 10%, ethylene oxide-propylene oxide block copolymer 5%, alkylphenol-polyethenoxy 5%, propane diols 3%, butyl ether 2%; Deionized water supplies 100%, the mixed 15% iprodione pyraclostrobin microemulsion that gets.
Embodiment 1824% iprodione pyraclostrobin microemulsion
Iprodione 0.5%, pyraclostrobin 23.5%, AEO series 5.6%, 3-methyl cyclohexanol ketenes 5%, aliphatic alcohol polyoxyvinethene phosphate 5%, propane diols 2.5%, gelatin 1.5%; Deionized water supplies 100%, the mixed 24% iprodione pyraclostrobin microemulsion that gets.
Embodiment 1928% iprodione fluoxastrobin microemulsion
Iprodione 24%, fluoxastrobin 4%, AEO series 5.6%, methyl alcohol 4.5%, aliphatic alcohol polyoxyvinethene phosphate 5.8%, propane diols 2.2%, gelatin 1.4%, deionized water supplies 100%, the mixed 28% iprodione fluoxastrobin microemulsion that gets.
Embodiment 2033% iprodione fluoxastrobin microemulsion
Iprodione 32%, fluoxastrobin 1%, ethylene oxide-propylene oxide block copolymer 8%, xanthans 3%, alkyl biphenyl ether disulfonic acid magnesium salts 4%, C
10～20Saturated fat acids 2%, deionized water adds to 100%, through the mixed 33% iprodione fluoxastrobin microemulsion that gets.
Embodiment 2135% iprodione pyraclostrobin aqueous emulsion
Iprodione 28%, pyraclostrobin 7%, aryl phenol polyoxyethylene succinate sulfonate 6%, N-pyrrolidones 4%, agricultural newborn 1600#7%, glycerine 2%, gum Arabic 2%, silicone oil 1%; Deionized water supplies 100%, makes 35% iprodione pyraclostrobin aqueous emulsion.
Embodiment 2242% iprodione pyraclostrobin aqueous emulsion
Iprodione 36%, pyraclostrobin 6%, OP series phosphate 8%, EGME 5%, ethylene glycol 3%, silicone compound 2%, deionized water adds to 100%, makes 42% iprodione pyraclostrobin aqueous emulsion.
Embodiment 2330% iprodione fluoxastrobin aqueous emulsion
Iprodione 5%, fluoxastrobin 25%, alkylphenol-polyethenoxy are phonetic 5%, formaldehyde condensation products sulphate 7%, OP series 5%, gelatin 3%, glycerine 3%, sodium chloride 1%, C
8～10Aliphatic alcohols 5%, deionized water supplies 100%, makes 30% iprodione fluoxastrobin aqueous emulsion.
Embodiment 2432% iprodione fluoxastrobin aqueous emulsion
Iprodione 31.5%, fluoxastrobin 0.5%, phenethyl phenol polyethenoxy ether 4.5%, alkylbenzenesulfonate 2.6%, agricultural newborn 36#5%, glycerine 3.4%, gum Arabic 2.6%, silicone oil 0.8%; Deionized water supplies 100%, makes 32% iprodione fluoxastrobin aqueous emulsion.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.Pass through Toxicity Determination earlier, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect, on this basis, carry out field trial again.
Iprodione and active component B (B is selected from pyraclostrobin, the fluoxastrobin a kind of arbitrarily) are composite to the crop pest Toxicity Determination.
After the effective inhibition concentration scope of each medicament was confirmed in prerun, each medicament was established 5 dosage respectively by active constituent content and is handled, and established the clear water contrast.Carry out with reference to " agricultural chemicals indoor bioassay test rule bactericide ", adopt the mycelial growth rate method to measure the virulence of medicament the crop germ.Measure colony diameter with the right-angled intersection method behind the 72h, calculate and respectively handle clean amount of growth, mycelial growth inhibition rate.
Clean amount of growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value (x) to, tries to achieve virulence regression equation (y=a+bx) with method of least squares, and calculates the EC of every kind of medicament thus
50Value.Calculate the different proportioning synergy ratios (SR) of two medicaments according to the Wadley method simultaneously, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect.Computing formula is following:
Wherein: a, b are respectively active component iprodione and active component B (pyraclostrobin, fluoxastrobin) shared ratio in combination;
A is an iprodione;
B is pyraclostrobin, fluoxastrobin.
In a kind of.
It is composite to the anthracnose Toxicity Determination to practice routine two iprodiones and pyraclostrobin.
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
Experimental scheme: effective inhibition concentration scope of confirming iprodione, the former medicine of pyraclostrobin and the two different proportioning mixture through preliminary experiment.
Toxicity test result one
Table 1 iprodione, pyraclostrobin and composite toxicity test analysis of results table thereof to anthracnose
Can know that by table 1 iprodione and pyraclostrobin are to the EC of anthracnose
50Be respectively 7.24mg/L and 2.06mg/L.Iprodione and pyraclostrobin proportioning were at 60: 1 to 1: 60 o'clock; Synergy ratio SR is all greater than 1.5; Explaining that iprodione and pyraclostrobin were mixed in the scope at 60: 1 to 1: 60 all shows synergistic effect; Especially when the two proportioning during at 9: 1,8: 1,7: 1,6: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9 synergistic effect more obviously outstanding; Wherein synergy ratio SR is maximum when iprodione and pyraclostrobin weight ratio are 3: 1; Synergistic effect is the most obvious, finds that through the test people iprodione and pyraclostrobin are composite all to have synergistic effect preferably to downy mildew, powdery mildew, brown spot, leaf spot.
It is composite to the early blight Toxicity Determination to practice routine three iprodiones and fluoxastrobin.
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
Experimental scheme: effective inhibition concentration scope of confirming iprodione, the former medicine of fluoxastrobin and the two different proportioning mixture through preliminary experiment.
Toxicity test result two
Table 2 iprodione, fluoxastrobin and composite toxicity test analysis of results table thereof to early blight
Can know that by table 2 iprodione, fluoxastrobin are to the EC of early blight
50Be respectively 7.56mg/L and 1.15mg/L.Iprodione and fluoxastrobin proportioning were at 60: 1 to 1: 60 o'clock; Synergy ratio SR is all greater than 1.5; Explaining that iprodione and fluoxastrobin were mixed in the scope at 60: 1 to 1: 60 all shows synergistic effect; Especially when the two proportioning during at 10: 1,9: 1,8: 1,7: 1,6: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10 synergistic effect more obviously outstanding; Wherein synergy ratio SR is maximum when iprodione and fluoxastrobin weight ratio are 5: 1; Synergistic effect is the most obvious, finds through the test people, and iprodione and pyraclostrobin are composite to late blight, rust, clever blessing disease, yellow rust, leaf rust, all synergistic effect preferably arranged.
Application implementation example three iprodiones and the pyraclostrobin and the composite control sclerotinia rot of colza test of pesticide effectiveness thereof
This EE is suburban area in the Xianyang, Shanxi province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 25% iprodione suspending agent (commercial), 250 grams per liter pyraclostrobin missible oil (commercial).
The preceding investigation of medicine sclerotinia rot of colza disease index, in the their early stage dispenser, dispenser for the second time after 7 days, dispenser is 2 times altogether, investigates disease indexs in 3 days, 7 days, 14 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
Table 3 iprodione, pyraclostrobin and the composite control sclerotinia rot of colza test of pesticide effectiveness thereof
Can find out by table 3; Can effectively prevent and treat sclerotinia rot of colza after iprodione and pyraclostrobin are composite; Find that through the test people iprodione and pyraclostrobin are composite all to have favorable effect to preventing and treating gray mold, crown rot, scab etc., 14 days preventive effects are up to more than 95% behind the medicine; Control efficiency all is superior to the preventive effect of single agent, and the preventive effect time is long.In the test scope of medication, the target crop is had no adverse effects.
Application implementation example four iprodiones and the fluoxastrobin and the composite control vegetable leaf pinta test of pesticide effectiveness thereof
This EE is in Shouguang, Shandong, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 25% iprodione suspending agent (commercial), 10% fluoxastrobin missible oil (commercial).
The preceding investigation of medicine vegetable leaf pinta disease index, in the their early stage dispenser, dispenser for the second time after 7 days, dispenser is 2 times altogether, investigates disease indexs in 3 days, 7 days, 14 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
Table 4 iprodione, fluoxastrobin and the composite control vegetable leaf pinta test of pesticide effectiveness thereof
Can find out by table 4; Can effectively prevent and treat the vegetable leaf pinta after iprodione and fluoxastrobin are composite; Find that through the applicant the composite back of iprodione and fluoxastrobin is also better to preventive effects such as net blotch, moire disease, net blotch, full rots, 14 days preventive effects reach more than 95% behind the medicine; Control efficiency all is superior to the preventive effect of single agent, and the preventive effect time is long.In the test scope of medication, the target crop is had no adverse effects.
Claims (7)
1. a bactericidal composition that contains iprodione and methoxy acrylic comprises active components A, active component B, the auxiliary agent surplus.It is characterized in that: active components A is an iprodione, and active component B is a kind of arbitrarily in pyraclostrobin, the fluoxastrobin, and the weight ratio of active components A and active component B is 60: 1～1: 60.
2. the bactericidal composition that contains iprodione and methoxy acrylic according to claim 1 is characterized in that: the weight ratio of active components A and active component B is 40: 1～1: 40.
3. the bactericidal composition that contains iprodione and methoxy acrylic according to claim 2 is characterized in that: the weight ratio of iprodione and pyraclostrobin is 18: 1～1: 3.
4. the bactericidal composition that contains iprodione and methoxy acrylic according to claim 2 is characterized in that: the weight ratio of iprodione and fluoxastrobin is 15: 1～1: 5.
5. according to any described bactericidal composition that contains iprodione and methoxy acrylic in the claim 1～4, it is characterized in that: composition is processed wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
6. the bactericidal composition that contains iprodione and methoxy acrylic according to claim 5 is used to prevent and treat the application of disease on cereal crop, vegetables, fruit tree, the economic type crop.
7. application according to claim 6 prevents and treats disease and comprises: anthracnose, stalk break, gray mold, early blight, crown rot, powdery mildew, downy mildew, scab, leaf spot, rust, clever blessing disease, net blotch, late blight, leaf rust, yellow rust, moire disease, brown spot, net blotch, full rot.
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| CN103053579A (en) * | 2012-09-21 | 2013-04-24 | 吉林省八达农药有限公司 | Agricultural germicidal composition containing coumoxystrobin and iprodione |
| CN103918683A (en) * | 2014-05-07 | 2014-07-16 | 陕西上格之路生物科学有限公司 | Application of azoxystrobin or pyraclostrobin in controlling wheat take-all disease |
| CN105360152A (en) * | 2015-12-02 | 2016-03-02 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Bactericidal composition containing pyraclostrobin and hydantoin |
| CN107094788A (en) * | 2017-04-26 | 2017-08-29 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
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