CN102177912A - Pesticide composite containing pyraclostrobin - Google Patents
Pesticide composite containing pyraclostrobin Download PDFInfo
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Abstract
The invention discloses a pesticide composite containing pyraclostrobin. The pesticide composite contains active ingredients, namely pyraclostrobin and one of triazole compounds: flusilazole, epoxiconazole, tetraconazole, tricyclazole and propiconazole. The ratio of the parts of the two active ingredients by weight is 60 to 1-1 to 60. The pesticide composite at least contains one type of surfactant, thus being beneficial to the dispersion of the active ingredients in water. The pesticide composite integrates protection activity, treatment activity with eradication activity. The pesticide composite can be used for various crop plants such as wheat, paddy rice, vegetables, fruit trees and the like; and the pesticide composite can prevent and treat diseases such as downy mildew, phytophthora disease, rust disease, powdery mildew, alternaria mali roberts, leaf spot, scab disease, rice blast and the like.
Description
Technical field
The invention belongs to the disinfectant use in agriculture field, relate to a kind of preparation and application of composition pesticide of pyraclostrobin-containing.
Background technology
Pyraclostrobin (pyraclostrobin), molecular formula: C
20H
23N
3O
2, chemical name: methyl (N)-[[[1-(4-chlorobenzene) pyrazoles-3 base)-oxygen]-the 0-methoxyl group]-the N-methoxymethyl carbamate.
Pyraclostrobin is the bactericide of BASF AG's latest model methoxy acrylic.Pure product are that white is to the tasteless crystalline solid of oldlace.The mechanism of action is the mitochondrial respiratory inhibitor.Make mitochondria can not produce and provide cell eubolism institute energy requirement, finally cause cell death.It can control most of diseases such as Ascomycetes, Basidiomycetes, deuteromycetes, Oomycete.Growth to spore germination and leaf intramatrical mycelium has very strong inhibitory action, has protection and therapeutic activity.Have permeability and local systemic activity, the lasting period is long, resistance of rainwater washing against.Be widely used in preventing and treating the disease on wheat, paddy rice, peanut, grape, vegetables, potato, banana, lemon, coffee, fruit tree, walnut, tea tree, tobacco and ornamental plants, lawn and other field crops.This compound not only toxicity is low, to non-target organism safety, and also all friendly safely to user and environment, classified as " the candidate's medicament that reduces risk " by U.S. EPA.In addition, pyraclostrobin can be to making the positive physiological regulatory action of deposits yields, and the generation of its energy ethene suppressing can help crop to have longer time deposit bio-energy to guarantee maturity like this; Can significantly improve the activity of the restore nitrification enzyme of crop, mean the use that can reduce nitrogenous fertilizer in the soil, thereby further reduce phreatic influence; When crop was subjected to viral attack, it can quicken to resist the formation of albumen---and identical with crop self salicylic acid synthetic to the synthesis of degeneration-resistant albumen.Pyraclostrobin is the efficient mitochondrial respiratory inhibitor after improving on the kresoxim-methyl basis, is to have replaced o-methyl-phenyl-in the kresoxim-methyl molecular structure with N-rubigan pyrazolyl, and the another methoxy acrylic wide-spectrum bactericide of exploitation.Its activity is higher, is present 3 times with series bactericidal agent.And the report that kresoxim-methyl just takes place relevant for the wheat powdery mildew resistance after 1 year in practical application, to 2000 the resistance spore (2%-99%) in the north of Germany, the existing a large amount of reports in the north and Britain of France.Descend to the preventive effect of powdery mildew is existing at present at home.
The agent of pyraclostrobin list is used for a long time, and disease is developed immunity to drugs, and causes the problem that dosage strengthens, preventive effect reduces, the lasting period shortens, and is unfavorable for environment sustainable development.And that the active ingredient of the different mechanisms of action is carried out is composite, is to delay the disease method commonly used that develops immunity to drugs, and according to the effect in the production application, judge this composite be synergistic effect or antagonism.Complex role is more significantly filled a prescription, and can obviously improve preventive effect, reduces the dosage of agricultural chemicals greatly, also can enlarge fungicidal spectrum, improves germicidal efficiency.
Summary of the invention
The objective of the invention is to propose a kind of generation or delaying drug resistance speed that can prevent disease drug resistance, the composition pesticide of the pyraclostrobin-containing that use cost is low, preventive effect is good.
The composition pesticide that the present invention proposes contains two kinds of active components of A, B.
Active component A is a pyraclostrobin.
Active component B is selected from following any one triazole bactericidal agent: Flusilazole, fluorine ring azoles, tetraconazole, tricyclazole, propiconazole.
Common feature is to contain hydroxyl (ketone group), substituted-phenyl and 1,2 on the main chain, 4-triazole group compound on the triazole bactericidal agent chemical constitution.This class medicament is except that to the oomycetes non-activity in the Mastigomycotina, and the pathogen of Ascomycotina, Basidiomycotina and Deuteromycotina is all had activity, and its mechanism of action is damaged somatic cells film function for to influence the sterols biosynthesis.
Described Flusilazole (flusilazole), molecular formula are C
16H
15F
2N
3Si, chemical name: two (4-fluorophenyl) methyl (1H-1,2, the support of 4-triazol-1-yl methylene) silane.Triazole bactericidal agent.This medicine mainly is the biosynthesis that destroys and stop the cell membrane important composition composition ergosterol of germ, causes cell membrane not form, and makes germ death.In the antithetical phrase due to the germ of Gammaproteobacteria, Basidiomycetes and Fungi Imperfecti disease effective, invalid to oomycetes.
Described fluorine ring azoles (epoxiconazole), molecular formula are C
17H
13ClFN
3O, chemical name: (2RS, 3SR)-3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2, the 4-triazol-1-yl) methyl] oxirane.
Described tetraconazole (tetraconazole), chemical name: 2-(2,4 dichloro benzene base)-3-(1H-1,2,4-triazol-1-yl) propyl group 1,1,2,2-tetrafluoro ethyl ether.It is sterol demethylation inhibitor.Because absorption in having well, therefore can be promptly by plant absorbing, and in conducted inside; Have good protection and therapeutic activity.
Described tricyclazole (tricyclazole), molecular formula: C
9H
7N
3S, chemical name: the 5-methyl isophthalic acid, 2, the 4-triazol (3,4-b) benzothiazole.Be a kind of stronger protectiveness triazole bactericidal agent of interior absorption that has, can absorbed, and be transported to each one of rice strain by rice root, stem, leaf rapidly.Tricyclazole antiscour power is strong, and the spray medicine is met the rain medicine that need not fill spray after one hour.Mainly be to suppress spore germination and adhere to spore to form, thereby stop germ to invade and reduce the generation of magnaporthe grisea spore effectively.
Described propiconazole (propiconazol), molecular formula are C
15H
17O
2N
3Cl
2, chemical name: 1-[2-(2,4 dichloro benzene base)-4-propyl group-1,3-dioxolanes-Alpha-Methyl]-1-hydrogen-1,2, the 4-triazole.It is a kind of systemic fungicide with protection and therapeutic action; can be absorbed by root, stem, leaf portion; and can be soon in the plant body on conduction; propiconazole can be prevented and treated sac fungi; the caused disease of basidiomycetes and imperfect fungus; particularly to root rotof flax, powdery mildew, bakanae disease of rice have the better prevention effect.
The ratio of weight and number of A, two kinds of active components of B is 60: 1～1: 60, and preferred ratio of weight and number is 30: 1～1: 30, and preferred ratio of weight and number is: 10: 1～1: 10.
The composition pesticide of described pyraclostrobin-containing is characterized in that: the ratio of weight and number of active component Flusilazole and pyraclostrobin is 10: 1～1: 10, and further preferred ratio of weight and number is 5: 1～1: 5.
The composition pesticide of described pyraclostrobin-containing is characterized in that: the ratio of weight and number of active component tetraconazole and pyraclostrobin is 10: 1～1: 10, and further preferred ratio of weight and number is 5: 1～1: 5.
The composition pesticide of described pyraclostrobin-containing is characterized in that: the ratio of weight and number of active component tricyclazole and pyraclostrobin is 10: 1～1: 10, and further preferred ratio of weight and number is 5: 1～1: 5.
The composition pesticide of described pyraclostrobin-containing is characterized in that: the ratio of weight and number of active component propiconazole and pyraclostrobin is 10: 1～1: 10, and further preferred ratio of weight and number is 5: 1～1: 5.
The composition pesticide of described pyraclostrobin-containing is characterized in that: the ratio of weight and number of active component fluorine ring azoles and pyraclostrobin is 10: 1～1: 10, and further preferred ratio of weight and number is 5: 1～1: 5.
Amount of application when the content of active component depends on independent use in the present composition also depends on the mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with the target fungi.Usually active weight percentage is 1～90% of a gross weight in the composition, and preferable is 10%～80%.According to different preparation types, the active component content scope is different.Usually, liquid preparation contains 1～70% active substance by weight, preferably is 5～50%; Solid pharmaceutical preparation contains 5～85% active substance by weight, preferably is 10～80%.
At least contain a kind of surfactant in the composition pesticide of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 5～30% of a total formulation weight amount, and surplus is solid or liquid diluent.
The selected surfactant of composition pesticide of the present invention is known in those skilled in the art: can be selected from dispersant, wetting agent, emulsifier or the defoamer one or more.According to different dosage form, can also contain disintegrant known in those skilled in the art, antifreeze etc. in the preparation.
Composition of the present invention can be by the user before use through dilution or directly use.Its preparation can be by common processing method preparation known in those skilled in the art, be about to active substance and after liquid flux or solid carrier mix, add in surfactant such as dispersant, stabilizing agent, wetting agent, binding agent, the defoamer etc. one or more again.
Composition pesticide of the present invention can be processed into acceptable forms on any agricultural chemicals on demand, and the wherein excellent formulation of selecting is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, seed treatment.
When making wetting powder, composition comprises following constituent content: active constituent A 1～80%, active constituent B1～80%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
Active constituent A, active constituent B, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into wetting powder product of the present invention.
When making water dispersible granules, composition comprises following constituent content: active constituent A1～80%, active constituent B1～80%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8%, filler 10～90%.
Active constituent A, active constituent B, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, add other auxiliary agents such as binding agent again, obtain the materials of granulating.It is interior through after granulation and the drying to expect that product are quantitatively sent the fluidized bed granulation dryer to, makes water dispersible granules product of the present invention.
Comprise following constituent content when composition is made suspending agent: active constituent A1～40%, active constituent B1～40%, dispersant 2～10%, wetting agent 2～10%, defoamer 0.1～1%, thickener 0.1～2%, antifreeze 0.1～8%, deionized water add to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze in the above-mentioned formulation material are mixed through high speed shear, add active constituent A, active constituent B, ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes suspending agent product of the present invention.
Comprise following constituent content when composition is made aqueous emulsion: active constituent A1～40%, active constituent B1～40%, solvent 1～30%, emulsifier 1～15%, co-emulsifier 0～8%, antifreeze 0～10%, thickener 0.1～2%, defoamer 0.01～2%, deionized water are supplied surplus.
Above-mentioned formulation material is mixed, active ingredient, solvent, emulsifier, co-emulsifier are added together, make and be dissolved into even oil phase; Water, antifreeze, thickener, defoamer 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 made microemulsion: active constituent A1～40%, active constituent B1～40%, solvent 1～30%, emulsifier 3～20%, co-emulsifier 0～12%, antifreeze 0～10%, thickener 0.1～2%, defoamer 0.01～2%, stabilizing agent 0～4%, deionized water is supplied surplus.
Former medicine of active constituent A and the former medicine of active constituent B are dissolved in the homogenizer that solvent and cosolvent are housed; Mix strongly after joining emulsifier, stabilizing agent and antifreeze, water in the homogenizer that above-mentioned solution is housed and homogenize, 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: one or more in lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement, the soapberry powder.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, glucose, the aluminium chloride.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, the polyethylene glycol.
Described defoamer is selected from: silicone, C
8～10Aliphatic alcohols, C
10～20In saturated fat acids (as capric acid) and acid amides, silicone oil, the silicone compound one or more.
Described emulsifier is selected from one or more among alkyl benzene sulfonate calcium salt, styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, phenethyl phenol polyethenoxy ether, 506#, 600#, 700#, NP-10 phosphate, OP-10 phosphate, castor oil polyoxyethylene ether, sorbester p17, Tween 80, the 602#;
Described co-emulsifier is one or more in butanols, isobutanol, dodecanol-1, tetradecanol-1, the octadecanol-1;
Described solvent is selected from one or more in toluene, dimethylbenzene, methyl alcohol, ethanol, acetone, ether, cyclohexanone, vegetable oil, dimethyl formamide, acetonitrile, polyethylene glycol, pyrrolidones, the solvent N one chain alkyl pyrrolidones;
Described preservative is selected from one or more in formaldehyde, sodium salicylate, Sodium Benzoate, the dichlorophen;
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Microbicide compositions of the present invention has protection concurrently, treats and roots out activity, for example can be used for various crop: wheat, paddy rice, vegetables, fruit tree etc., prevent and treat the microbial plant disease of multiple cause of disease.Downy mildew, eqpidemic disease, rust, powdery mildew, spot defoliation, leaf spot, scab, rice blast all there is special efficacy.
Composition of the present invention has following advantage:
(1) said composition shows significant synergistic effect in certain ratio range, has both improved protection effect, has reduced mu dosage and cost, has enlarged fungicidal spectrum again;
(2) since in the said composition each active component do not have the problem of cross resistance, so the application of said composition can reach and delay drug-fast generation of pathogen and development, the result of use that helps to prolong this medicament reduces pesticide resistance and produces probability;
(3) improved safety, being mixed will be lower to the influence of environment, safer.
Embodiment
To further instruction of the present invention, the percentage among the embodiment is ratio of weight and number below in conjunction with embodiment, but the present invention is not limited thereto.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.
Implementation of an application example one: Toxicity Determination
Pyraclostrobin and active constituent B (B be selected from triazole bactericidal agent tetraconazole, Flusilazole, tricyclazole, propiconazole, the fluorine ring azoles a kind of) are composite to target germ Toxicity Determination
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
After the effective inhibition concentration scope of each medicament was determined 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 target 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 as follows:
Wherein: a, b are respectively pyraclostrobin and active constituent B (triazole bactericidal agent tetraconazole, Flusilazole, tricyclazole, propiconazole, fluorine ring azoles) shared ratio in composition;
A is a pyraclostrobin.
B is a kind of in triazole bactericidal agent tetraconazole, Flusilazole, tricyclazole, propiconazole, the fluorine ring azoles;
Result of the test is as shown in the table:
Toxicity test result one
Table 1 tetraconazole, pyraclostrobin and composite toxicity test analysis of results table thereof to wheat rust
As shown in Table 1, tetraconazole, pyraclostrobin are to the EC of wheat rust
50Be respectively 0.27mg/L and 0.61mg/L.Tetraconazole and pyraclostrobin were mixed in the scope at 60: 1～1: 60 and all show obvious synergistic effect.Wherein, both mixed synergies in 30: 1～1: 30 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.Toxicity test result two
Table 2 tricyclazole, pyraclostrobin and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 2, tricyclazole, pyraclostrobin are to the EC of rice blast
50Be respectively 1.33mg/L and 0.68mg/L.Tricyclazole and pyraclostrobin were mixed in the scope at 60: 1～1: 60 and all show obvious synergistic effect.Wherein, both mixed synergies in 30: 1～1: 30 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.Toxicity test result three
Table 3 propiconazole, pyraclostrobin and composite toxicity test analysis of results table thereof to sigatoka
As shown in Table 3, propiconazole, pyraclostrobin are to the EC of sigatoka
50Be respectively 0.61mg/L and 0.58mg/L.Propiconazole and pyraclostrobin were mixed in the scope at 60: 1～1: 60 and all show obvious synergistic effect.Wherein, both mixed synergies in 30: 1～1: 30 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.Toxicity test result four
Table 4 fluorine ring azoles, pyraclostrobin and composite toxicity test analysis of results table thereof to wheat rust
As shown in Table 4, fluorine ring azoles, pyraclostrobin are to the EC of wheat rust
50Be respectively 0.43mg/L and 0.45mg/L.Fluorine ring azoles and pyraclostrobin were mixed in the scope at 60: 1～1: 60 and all show obvious synergistic effect.Wherein, both mixed synergies in 30: 1～1: 30 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.Toxicity test result five
Table 5 Flusilazole, pyraclostrobin and composite toxicity test analysis of results table thereof to pear scab
As shown in Table 5, Flusilazole, pyraclostrobin are to the EC of pear scab
50Be respectively 0.46mg/L and 0.51mg/L.Flusilazole and pyraclostrobin were mixed in the scope at 60: 1～1: 60 and all show obvious synergistic effect.Wherein, both mixed synergies in 30: 1～1: 30 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Implementation of an application example two: field control effectiveness test
Embodiment 1 40% Flusilazole pyraclostrobin microemulsion is prevented and treated the pear scab test of pesticide effectiveness
Flusilazole 30%, pyraclostrobin 10%, acetone 10%, agricultural newborn 500#8%, isobutanol 5%, hydroxyethylcellulose 2%, sodium sorbate 2%, silicone defoaming agent 0.5%, deionized water adds to 100%, the mixed 40% Flusilazole pyraclostrobin microemulsion that gets.This proportioning is by 6000 times of dilution sprayings, and in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 3 times, investigates disease index respectively in 7 days, 14 days after the last dispenser and calculates preventive effect.Prevent and treat the pear scab effect in 7 days, 14 days behind the medicine and be respectively 91.35%, 96.64%, 40% Flusilazole missible oil and 25% pyraclostrobin missible oil are according to same quadrat method, by 7000 times and 1800 times of dilution uses, 14 days preventive effects are respectively 70.8% and 73.5% behind the medicine respectively.
In the present embodiment Flusilazole replaceable be a kind of in tetraconazole, tricyclazole, propiconazole, the fluorine ring azoles, thereby form new embodiment.
The embodiment 2 60% tricyclazole pyraclostrobin water dispersible granules control rice blast test of pesticide effectiveness
Tricyclazole 40%, pyraclostrobin 20%, alkyl benzene sulfonate calcium salt 4%, sodium phosphate trimer 3%, wetting and penetrating agent F 3%, ammonium sulfate 1%, bentonite add to 100%, the mixed 60% tricyclazole pyraclostrobin water dispersible granules that gets.This proportioning is by 15 gram/mus dilution spraying, and in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease index respectively in 7 days, 14 days after the last dispenser and calculates preventive effect.7 days, 14 days control rice blast effects are respectively 91.2%, 96.8% behind the medicine, 20% tricyclazole wettable powder and 25% pyraclostrobin missible oil are according to same quadrat method, use by 80 gram/mus and the dilution of 35 gram/mus respectively, 14 days preventive effects are respectively 72.8% and 71.2% behind the medicine.
In the present embodiment tricyclazole replaceable be a kind of in tetraconazole, Flusilazole, propiconazole, the fluorine ring azoles, thereby form new embodiment.
Embodiment 3 60% fluorine ring azoles pyraclostrobin wetting powders are prevented and treated the sigatoka test of pesticide effectiveness
Fluorine ring azoles 40%, pyraclostrobin 20%, polycarboxylate 5%, sodium lignin sulfonate 3%, silkworm excrement 2%, diatomite add to 100%, and mixture carries out comminution by gas stream, the mixed 60% fluorine ring azoles pyraclostrobin wetting powder that gets.This proportioning is by 7000 times of dilution sprayings, and in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 3 times, investigates disease index respectively in 7 days, 14 days after the last dispenser and calculates preventive effect.Prevent and treat the sigatoka effect in 7 days, 14 days behind the medicine and be respectively 90.3%, 95.3%, 30% epoxiconazole suspension concentrate and 25% pyraclostrobin missible oil are according to same quadrat method, dilute 2000 times and 1800 times of uses respectively, 14 days preventive effects are respectively 68.3% and 72.3% behind the medicine.
In the present embodiment fluorine ring azoles replaceable be a kind of in tetraconazole, Flusilazole, tricyclazole, the propiconazole, thereby form new embodiment.
The embodiment 4 35% tetraconazole pyraclostrobin aqueous emulsions control powdery mildew of strawberry test of pesticide effectiveness
Tetraconazole 5%, pyraclostrobin 30%, acetone 8%, alkylphenol polyoxyethylene phosphate 5%, polyvinyl alcohol 3%, alkyl benzene calcium sulfonate 5%, sodium chloride 2%, deionized water add to 100%, the mixed 35% tetraconazole pyraclostrobin aqueous emulsion that gets.This proportioning is by 20 gram/mus dilution spraying, and in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease index respectively in 7 days, 14 days after the last dispenser and calculates preventive effect.7 days, 14 days control powdery mildew of strawberry effects are respectively 91.5%, 96.4% behind the medicine, 4% tetraconazole aqueous emulsion and 25% pyraclostrobin emulsifiable concentrate are according to same quadrat method, use by 80 gram/mus and 25 gram/mus dilution spraying respectively, 14 days preventive effects are respectively 69.3% and 71.5% behind the medicine.
In the present embodiment tetraconazole replaceable be a kind of in fluorine ring azoles, Flusilazole, tricyclazole, the propiconazole, thereby form new embodiment.
Embodiment 5 30% fluorine ring azoles pyraclostrobin suspending agents are prevented and treated the wheat rust test of pesticide effectiveness
Fluorine ring azoles 10%, pyraclostrobin 20%, polycarboxylate 4%, sodium lignin sulfonate 3%, DBSA 4%, silicone oil 0.2%, polyvinyl alcohol 1%, deionized water adds to 100%, the mixed 30% fluorine ring azoles pyraclostrobin suspending agent that gets.This proportioning is by 25 gram/mus dilution spraying, and in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease index respectively in 7 days, 14 days after the last dispenser and calculates preventive effect.Prevent and treat the wheat rust drug effect in 7 days, 14 days behind the medicine and really be respectively 91.9%, 96.5%, 30% epoxiconazole suspension concentrate and 25% pyraclostrobin missible oil are according to same quadrat method, use by 25 gram/mus and 25 gram/mus dilution spraying respectively, 14 days preventive effects are respectively 68.5% and 71.3% behind the medicine.
In the present embodiment fluorine ring azoles replaceable be a kind of in tetraconazole, Flusilazole, tricyclazole, the propiconazole, thereby form new embodiment.
Embodiment 6 40% propiconazole pyraclostrobin suspension emulsions are prevented and treated the apple mildew test of pesticide effectiveness
Propiconazole 20%, pyraclostrobin 20%, polycarboxylate 3%, lignosulfonates 3%, neopelex 4%, polyoxyethylene nonylphenol ether modified phosphate 3%, acetone 6%, xanthans 0.5%, propane diols 3%, deionized water add to 100%, the mixed 40% propiconazole pyraclostrobin suspension emulsion that gets.This proportioning is by 18 gram/mus dilution spraying, and in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease index respectively in 7 days, 14 days after the last dispenser and calculates preventive effect.Prevent and treat the apple mildew drug effect in 7 days, 14 days behind the medicine and really be respectively 91.7%, 95.9%, 25% propiconazole emulsifiable concentrate and 25% pyraclostrobin missible oil are according to same quadrat method, use by 35 gram/mus and the dilution of 30 gram/mus respectively, 14 days preventive effects are respectively 72.8% and 73.5% behind the medicine.
In the present embodiment propiconazole replaceable be a kind of in tetraconazole, tricyclazole, fluorine ring azoles, the Flusilazole, thereby form new embodiment.
The test of embodiment 7 10% tricyclazole pyraclostrobin seed treatment Rice seeds treated
Tricyclazole 5%, pyraclostrobin 5%, polycarboxylate 4%, sodium lignin sulfonate 3%, polyvinyl acetate 3%, gum Arabic 2%, dichlorophen 2%, alkyl benzene sulfonate calcium salt 3%, deionized water adds to 100%, the mixed 10% tricyclazole pyraclostrobin seed treatment that gets.This proportioning is pressed 30g/100kg seed seed dressing, in closed container, seed dressing was mixed 1 minute with the seed jolting, with planting seed to the experimental field, and laggard pedestrian worker's irrigation in one day.After planting 25 days calculate preventive effect is 100%, does not observe and infects.Contrast medicament 10% tricyclazole suspension seed-coating agent and 10% pyraclostrobin seed dressing calculated preventive effect and are respectively 86.9%, 87.2% by using with quadrat method in after planting 28 days.
In the present embodiment tricyclazole replaceable be a kind of in tetraconazole, Flusilazole, propiconazole, the fluorine ring azoles, thereby form new embodiment.
The ratio of A, two kinds of active components of B can be adjusted in 60: 1～1: 60 synergy scope in the foregoing description, thereby forms new embodiment.
Claims (6)
1. composition pesticide that contains pyraclostrobin, it is characterized in that: the ratio of weight and number of active constituent A and B is 60: 1～1: 60 in the composition, described active constituent A is a pyraclostrobin; Active constituent B is selected from a kind of in triazole bactericidal agent Flusilazole, fluorine ring azoles, tetraconazole, tricyclazole, the propiconazole.
2. a kind of composition pesticide that contains pyraclostrobin according to claim 1 is characterized in that: the ratio of weight and number of two kinds of active component A and B is 30: 1～1: 30.
3. according to the described a kind of composition pesticide that contains pyraclostrobin of claim 2, it is characterized in that: the ratio of weight and number of active component Flusilazole and pyraclostrobin is 10: 1～1: 10;
The ratio of weight and number of active component fluorine ring azoles and pyraclostrobin is 10: 1～1: 10;
The ratio of weight and number of active component tetraconazole and pyraclostrobin is 10: 1～1: 10;
The ratio of weight and number of active component tricyclazole and pyraclostrobin is 10: 1～1: 10;
The ratio of weight and number of active component propiconazole and pyraclostrobin is 10: 1～1: 10.
4. a kind of composition pesticide that contains pyraclostrobin according to claim 1 is characterized in that: the weight percentage of active component is 5%～85% of a gross weight in the composition.
5. a kind of composition pesticide that contains pyraclostrobin according to claim 4 is characterized in that: the weight percentage of active component is 10%～80% of a gross weight in the composition.
6. a kind of composition pesticide that contains pyraclostrobin according to claim 1 is used to prevent and treat downy mildew, eqpidemic disease, rust, powdery mildew, spot defoliation, leaf spot, scab, the rice blast of gourd, fruit and vegetable.
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| CN2011100702693A CN102177912A (en) | 2011-03-23 | 2011-03-23 | Pesticide composite containing pyraclostrobin |
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| CN2011100702693A CN102177912A (en) | 2011-03-23 | 2011-03-23 | Pesticide composite containing pyraclostrobin |
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| CN102246784A (en) * | 2011-07-24 | 2011-11-23 | 青岛凯源祥化工有限公司 | Antibacterial composition containing tetraconazole and pyraclostrobin |
| CN102273473A (en) * | 2011-06-20 | 2011-12-14 | 青岛泰生生物科技有限公司 | bactericidal composition |
| WO2012077077A1 (en) * | 2010-12-08 | 2012-06-14 | Basf Se | Fungicidal mixtures |
| CN103210937A (en) * | 2013-02-06 | 2013-07-24 | 吉林省八达农药有限公司 | Composition comprising coumoxystrobin and other bactericides |
| CN103563942A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing pyraclostrobin and epoxiconazole and application thereof |
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| CN102273473A (en) * | 2011-06-20 | 2011-12-14 | 青岛泰生生物科技有限公司 | bactericidal composition |
| CN102246784A (en) * | 2011-07-24 | 2011-11-23 | 青岛凯源祥化工有限公司 | Antibacterial composition containing tetraconazole and pyraclostrobin |
| CN103563942A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing pyraclostrobin and epoxiconazole and application thereof |
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| CN103210937A (en) * | 2013-02-06 | 2013-07-24 | 吉林省八达农药有限公司 | Composition comprising coumoxystrobin and other bactericides |
| EP3073826B1 (en) * | 2013-11-26 | 2019-10-30 | UPL Limited | A method for controlling soybean rust |
| CN103918686B (en) * | 2014-05-07 | 2016-09-07 | 陕西上格之路生物科学有限公司 | A kind of dispersible oil-suspending agent containing thiophanate-methyl |
| CN103918686A (en) * | 2014-05-07 | 2014-07-16 | 陕西上格之路生物科学有限公司 | Dispersing oil suspending agent containing thiophanate-methyl |
| CN103947664A (en) * | 2014-05-13 | 2014-07-30 | 浙江乐吉化工股份有限公司 | Tetraconazole-containing bactericide composition |
| CN104068034A (en) * | 2014-06-27 | 2014-10-01 | 何芳 | Sterilization pesticide composition |
| CN104068034B (en) * | 2014-06-27 | 2016-06-08 | 何芳 | A kind of bactericidal pesticide composition |
| CN104430434A (en) * | 2014-12-11 | 2015-03-25 | 吉林农业大学 | Bactericidal composition containing pyraclostrobin and tricyclazole, as well as applications thereof |
| CN106070273A (en) * | 2016-06-08 | 2016-11-09 | 广东中迅农科股份有限公司 | A kind of containing pyraclostrobin with the composition pesticide of epoxiconazole |
| CN108260596A (en) * | 2016-12-30 | 2018-07-10 | 山东潍坊润丰化工股份有限公司 | A kind of bactericidal composition containing pyraclostrobin and epoxiconazole, fungicide and its application |
| CN110074117A (en) * | 2018-12-07 | 2019-08-02 | 河南豫之星作物保护有限公司 | It a kind of sigatoka bactericidal composition and its is applied in sigatoka prevention and treatment |
| CN110432278A (en) * | 2019-08-28 | 2019-11-12 | 山东碧奥生物科技有限公司 | A kind of composition pesticide for preventing and treating corn leaf spot |
| CN110771621A (en) * | 2019-12-05 | 2020-02-11 | 江苏省农业科学院 | Bactericidal composition for preventing and treating main fungal diseases of pears and application thereof |
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Application publication date: 20110914 |