CN101983563A - Bactericidal composite and applications thereof - Google Patents
Bactericidal composite and applications thereof Download PDFInfo
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- CN101983563A CN101983563A CN201010561813XA CN201010561813A CN101983563A CN 101983563 A CN101983563 A CN 101983563A CN 201010561813X A CN201010561813X A CN 201010561813XA CN 201010561813 A CN201010561813 A CN 201010561813A CN 101983563 A CN101983563 A CN 101983563A
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Abstract
The invention discloses a bactericidal composite. The bactericidal composite contains cyproconazole with with the synergistic effective quantity and one of triazole bactericides, namely triadimefon, tebuconazole, hexaconazole, difenoconazole, tetraconazole, epoxiconazole, myclobutanil, flusilazole, flutriafol, penconazole and triadimenol, wherein the weight ratio of the two active components in the bactericidal composite is 80-1:1-80. The bactericidal composite of the invention contains at least one surfactant to facilitate the dispersion of the active components in water when the bactericidal composite is used. The bactericidal composite has brotection activity, curative activity and killing activity, and can be used for various crops such as wheat, rice, vegetables and fruit trees and used to prevent and cure the plant diseases caused by the pathogenic bacteria of Ascomycotina, Basidiomycotina and Deuteromycotina.
Description
Technical field
The invention belongs to the disinfectant use in agriculture field, relate to a kind of preparation and application that contains the bactericidal composition of two active components.
Background technology
Cyproconazole, (having another name called Cyproconazole) English name: Cyproconazole, molecular formula: C
15H
18ClN
3O, chemical name: 2-(4-chlorphenyl)-3-cyclopropyl-1-(1H-1,2,4-triazol-1-yl) fourth-2-alcohol.
Structural formula:
Cyproconazole is a sterol demethylation inhibitor, has prevention and therapeutic action.All effective to the Erysiphales on cereal crop, coffee, beet, fruit tree and the grape, Uredinales, the mould genus of genus spore, Rhynchosporium spp, Septoria, Venturia bacterium.Use with other bactericide, can fine powdery mildem of cereals, rust, rice blast, banded sclerotial blight, leaf spot and the net blotch etc. of preventing and treating.The control wheat rust lasting period was 4～6 weeks, and preventing and treating powdery mildew was 3～4 weeks.
The agent of cyproconazole 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 bactericidal composition that contains cyproconazole that use cost is low, preventive effect is good.
The inventor is by a large amount of indoor biometricses and field control effectiveness test, unexpected find the use that is mixed within the specific limits of cyproconazole and triazole bactericidal agent, diseases such as the powdery mildew of cereal crop, rust, rice blast, banded sclerotial blight, leaf spot are had good synergistic effect.Further experiment finds, the use that is mixed within the specific limits of cyproconazole and triazole bactericidal agent also has good preventive effect to powdery mildew, anthracnose, the scab of vegetables and fruit tree.And the composite of cyproconazole and triazole bactericidal agent at home and abroad do not see openly as yet.
The bactericidal composition that the present invention proposes contains two kinds of active components of A, B.
Active component A is selected from any one triazole bactericidal agent: comparatively preferred active component is triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, Triadimenol.
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 triazolone (triadimefon), molecular formula are C
14H
16ClN
3O
2, chemical name: 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1-yl)-α-butanone.Be a kind of efficient, low toxicity, low-residual, the lasting period is long, interior absorption is strong triazole bactericidal agent.After the each several part of plant absorption, can in plant corpus, conduct.Rust and powdery mildew are had prevention, effect such as root out, treat, fumigate.All effective to the disease of various crop such as corn circle pinta, wheat class moire disease, wheat leaf rot, pineapple black rot, maize head smut etc.The bactericidal mechanism principle of triazolone mainly is to suppress the biosynthesis of thalline ergosterol, thereby the growth, the growth of mycelia and the formation of spore that suppress or disturb thalline to adhere to spore and haustorium.
Described Tebuconazole (tebuconazole), molecular formula: C
16H
22ON
3Cl, chemical name: RS)-and 1-is right-chlorphenyl-4, and 4-dimethyl-3 (1H-1,2,4-triazol-1-yl methyl) amylalcohol.Be the wide spectrum triazole bactericidal agent, consumption is low, can be applicable to the seed treatment of wheat, to the various cause of diseases that seed carries, is adsorbed on epidermis or seed inside all equally effectively.
Described own azoles alcohol (hexaconazole), molecular formula are C
14H
17Cl
2X
3O, chemical name: (RS)-2-(2,4 dichloro benzene base)-1-(1H-1,2,4-triazol-1-yl)-oneself-2-alcohol.
Described tetraconazole (tetraconazole), molecular formula are C
13H
11Cl
2F
4N
3O, 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.
Described Difenoconazole (difenoconazole), molecular formula are C
19H
17Cl
2N
3O
3, chemical name: 1-(2-[4-(4-chlorobenzene oxygen)-2-chlorphenyl]-the 4-methyl isophthalic acid, 3-dioxin-pentane-2-ylmethyl)-H-1,2, the 4-triazole.Be a kind of interior wide-spectrum bactericide of inhaling, the diseases such as leaf spot, powdery mildew, rust and scab to various vegetables and fruit tree have better therapeutic effect.
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 nitrile bacterium azoles (myclobutanil), molecular formula are C
15H
17ClN
4, the own nitrile of chemical name: 2-(4-chlorphenyl)-2-(1H, 1,2,4-triazole-1-methyl).Be table angle sterol biosynthesis inhibitor.It has strong interior absorption, drug effect height, to crop safety, and long characteristics of lasting period.Have prevention and therapeutic action.
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 Flutriafol (flutriafol), molecular formula are C
16H
13F
2N
30, chemical name: α-(2-fluorophenyl)-α-(4-fluorophenyl)-1H-1,2,4-triazole-1-ethanol.Have interior absorption, in plant corpus, conduct, disease is had protection and therapeutic action.Can prevent and treat the cereal crop powdery mildew, Helminthosporium, Puccinia, shell pin Pseudomonas pathogen also can be cooked seed treatment, prevents and treats soil-borne disease and seed-borne disease.The cereal powdery mildew there is special efficacy.
Described penconazole (penconazole), molecular formula are C
13H
15Cl
2N
3, chemical name: 1-[2-(2,4 dichloro benzene base)-4-propyl group-1,3-dioxolanes-2-methyl]-1-hydrogen-1,2, the 4-triazole.Belonging to three nitrogen heterocycles bactericide, is sterol demethylation inhibitor.Root, stem, leaf isoreactivity tissue by crop absorb, and can upwards conduct with body fluid in the plant body soon.
Described Triadimenol (triadimenol), molecular formula are C
14H
18ClN
3O
2, chemical name: 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1H-1,2,4 triazoles-1 base) butyl-2-alcohol.Mainly be that to suppress ergosterol synthetic, thus suppress and disturb thalline adhere to growing of spore and haustorium.
Active component B is a cyproconazole.
The ratio of weight and number of A, two kinds of active components of B is 80～1: 1～80, and preferred ratio of weight and number is 20～1: 1～20, and preferred ratio of weight and number is: 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component triazolone and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component Tebuconazole and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the own azoles alcohol of active component is 10～1: 1～10 with the percentage by weight of cyproconazole, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component tetraconazole and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component Difenoconazole and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component fluorine ring azoles and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component nitrile bacterium azoles and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component Flusilazole and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component Flutriafol and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component penconazole and cyproconazole is 10～1: 1～10, and further preferred ratio of weight and number is 5～1: 1～5.
The described bactericidal composition that contains cyproconazole is characterized in that: the percentage by weight of active component Triadimenol and cyproconazole 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 bactericidal composition 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 bactericidal composition 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.
Bactericidal composition 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, aqueous emulsion, microemulsion, seed treatment.
When making wetting powder, composition comprises following constituent content: active components A 1～80%, cyproconazole 1～80%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
Active components A, cyproconazole, 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 components A 1～80%, cyproconazole 1～80%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8%, filler 10～90%.
Active components A, cyproconazole, 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 components A 1～40%, cyproconazole 1～40%, 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 components A, cyproconazole, 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 components A 1～40%, cyproconazole 1～40%, 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 components A 1～40%, cyproconazole 1～40%, 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 components A and the former medicine of cyproconazole 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-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., the microbial plant disease of cause of disease of control capsule bacterium subphylum, Basidiomycotina and Deuteromycotina.To the disease on the cereal crop as: powdery mildew, rust, rice sheath blight disease, rice blast have special efficacy.
Therefore, composition of the present invention has following advantage: (one) said composition shows significant synergistic effect in certain ratio range, 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 all is weight percentage 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
Active components A (A be selected from triazole bactericidal agent triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, the Triadimenol a kind of) is composite to the rice blast Toxicity Determination with cyproconazole
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 rice blast.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 active components A (triazole bactericidal agent triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, Triadimenol) and cyproconazole shared ratio in combination;
A is a kind of in triazole bactericidal agent triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, the Triadimenol;
B is a cyproconazole.
It is as shown in the table for result of the test:
Toxicity test result one
Table 1 triazolone, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 1, triazolone, cyproconazole are to the EC of rice blast
50Be respectively 3.68mg/L and 1.46mg/L.The virulence of triazolone is lower than the virulence of cyproconazole.Triazolone and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result two
Table 2 Tebuconazole, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 2, Tebuconazole, cyproconazole are to the EC of rice blast
50Be respectively 1.64mg/L and 1.46mg/L.The virulence of Tebuconazole is lower than the virulence of cyproconazole.Tebuconazole and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result three
Table 3 tetraconazole, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 3, tetraconazole, cyproconazole are to the EC of rice blast
50Be respectively 1.14mg/L and 1.46mg/L.The virulence of tetraconazole is lower than the virulence of cyproconazole.Tetraconazole and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result four
The own azoles alcohol of table 4, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 4, own azoles alcohol, cyproconazole are to the EC of rice blast
50Be respectively 1.05mg/L and 1.46mg/L.The virulence of own azoles alcohol is lower than the virulence of cyproconazole.Own azoles alcohol is mixed in the scope at 80: 1～1: 80 with cyproconazole and all shows obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result five
Table 5 Difenoconazole, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 5, Difenoconazole, cyproconazole are to the EC of rice blast
50Be respectively 1.65mg/L and 1.46mg/L.The virulence of Difenoconazole is lower than the virulence of cyproconazole.Difenoconazole and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result six
Table 6 fluorine ring azoles, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 6, fluorine ring azoles, cyproconazole are to the EC of rice blast
50Be respectively 2.43mg/L and 1.46mg/L.The virulence of fluorine ring azoles is lower than the virulence of cyproconazole.Fluorine ring azoles and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result seven
Table 7 nitrile bacterium azoles, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 7, nitrile bacterium azoles, cyproconazole are to the EC of rice blast
50Be respectively 1.27mg/L and 1.46mg/L.The virulence of nitrile bacterium azoles is lower than the virulence of cyproconazole.Nitrile bacterium azoles and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result eight
Table 8 Flusilazole, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 8, Flusilazole, cyproconazole are to the EC of rice blast
50Be respectively 0.96mg/L and 1.46mg/L.The virulence of Flusilazole is lower than the virulence of cyproconazole.Flusilazole and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result nine
Table 9 Flutriafol, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 9, Flutriafol, cyproconazole are to the EC of rice blast
50Be respectively 1.35mg/L and 1.46mg/L.The virulence of Flutriafol is lower than the virulence of cyproconazole.Flutriafol and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result ten
Table 10 penconazole, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 10, penconazole, cyproconazole are to the EC of rice blast
50Be respectively 1.16mg/L and 1.46mg/L.The virulence of penconazole is lower than the virulence of cyproconazole.Penconazole and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 scope are comparatively desirable, and mixed synergies is particularly outstanding in 10: 1～1: 10 scope.
Toxicity test result 11
Table 11 Triadimenol, cyproconazole and composite toxicity test analysis of results table thereof to rice blast
As shown in Table 11, Triadimenol, cyproconazole are to the EC of rice blast
50Be respectively 3.58mg/L and 1.46mg/L.The virulence of Triadimenol is lower than the virulence of cyproconazole.Triadimenol and cyproconazole were mixed in the scope at 80: 1～1: 80 and all show obvious synergistic effect.Wherein, both mixed synergies in 20: 1～1: 20 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 80% triazolone cyproconazole wetting powder is prevented and treated the wheat rust test of pesticide effectiveness
Triazolone 70%, cyproconazole 10%, polycarboxylate 5%, lauryl sodium sulfate 3%, spaonin powder 2%, kaolin 10%, mixture carries out comminution by gas stream, makes 80% triazolone cyproconazole wetting powder.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 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 effect in 7 days, 14 days behind the medicine and be respectively 91.5%, 96.3%, 25% trazodone wettable powder and 10% cyproconazole wetting powder are according to same quadrat method, dilute 1000 times and 1500 times of uses respectively, 14 days preventive effects are respectively 65.4% and 73.5% behind the medicine.
In the present embodiment triazolone replaceable be a kind of in the triazole bactericidal agents such as Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, Triadimenol, thereby form new embodiment.
The embodiment 2 60% Tebuconazole cyproconazole water dispersible granules control rice blast test of pesticide effectiveness
Tebuconazole 50%, cyproconazole 10%, lignosulfonates 4%, tea are withered 4%, white carbon 8%, bentonite 10%, kaolin 14%, mixed 60% Tebuconazole cyproconazole water dispersible granules.This proportioning is by 5000 times of dilution sprayings, 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 90.5%, 94.7% behind the medicine, 70% Tebuconazole wetting powder and 10% cyproconazole wetting powder are according to same quadrat method, dilute 3000 times and 1500 times of uses respectively, 14 days preventive effects are respectively 63.4% and 75.6% behind the medicine.
In the present embodiment Tebuconazole replaceable be a kind of in the triazole bactericidal agents such as triazolone, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, Triadimenol, thereby form new embodiment.
The embodiment 3 60% Difenoconazole cyproconazole water dispersible granules control tomato late blight test of pesticide effectiveness
Difenoconazole 10%, cyproconazole 50%, alkylaryl APEO 4%, soapberry powder 4%, polyvinyl alcohol 3%, white carbon 7%, diatomite add to 100%, the mixed 60% Difenoconazole cyproconazole water dispersible granules that gets.This proportioning is by 4000 times of dilution sprayings, 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 tomato late blight effects are respectively 91.8%, 95.6% behind the medicine, 10% difenoconazole water dispersible granule and 10% cyproconazole wetting powder are according to same quadrat method, dilute 800 times and 1500 times of uses respectively, 14 days preventive effects are respectively 68.4% and 71.7% behind the medicine.
In the present embodiment Difenoconazole replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, own azoles alcohol, tetraconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, Triadimenol, thereby form new embodiment.
The embodiment 4 42% tetraconazole cyproconazole aqueous emulsions control powdery mildew of strawberry test of pesticide effectiveness
Triazolone 2%, cyproconazole 40%, methyl alcohol 20%, isobutanol 5%, castor oil polyoxyethylene ether 5%, polyvinyl alcohol 1%, propane diols 5%, lauric acid 0.5%, deionized water adds to 100%, the mixed 42% tetraconazole cyproconazole aqueous emulsion that gets.This proportioning is by 3000 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, 30 days after the last dispenser and calculates preventive effect.7 days, 14 days control powdery mildew of strawberry effects are respectively 90.5%, 94.1% behind the medicine, 4% tetraconazole aqueous emulsion and 10% cyproconazole wetting powder are according to same quadrat method, dilute 500 times and 1500 times of uses respectively, 14 days preventive effects are respectively 66.6% and 72.3% behind the medicine.
In the present embodiment tetraconazole replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, Triadimenol, thereby form new embodiment.
Embodiment 5 70% own azoles alcohol cyproconazole water dispersible granules are prevented and treated the rice sheath blight disease test of pesticide effectiveness
Own azoles alcohol 35%, cyproconazole 35%, polycarboxylate 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, aluminium chloride 2%, starch 5%, attapulgite add to 100%, the mixed 70% own azoles alcohol cyproconazole water dispersible granules that gets.This proportioning is by 4500 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 rice sheath blight disease effect in 7 days, 14 days behind the medicine and be respectively 91.8%, 95.5%, 50% diniconazole water dispersible granule and 10% cyproconazole wetting powder are according to same quadrat method, dilute 3500 times and 1500 times of uses respectively, 14 days preventive effects are respectively 69.8% and 77.6% behind the medicine.
In the present embodiment own azoles alcohol replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, tetraconazole, Difenoconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, Triadimenol, thereby form new embodiment.
The embodiment 6 45% penconazole cyproconazole microemulsions control cucumber anthracnose test of pesticide effectiveness
Fluorine ring azoles 5%, cyproconazole 40%, cyclohexanone 15%, Nongru-700 #8%, butanols 5%, hydroxyethylcellulose 2%, sodium sorbate 2%, silicone defoaming agent 0.5%, deionized water adds to 100%, the mixed 45% fluorine ring azoles cyproconazole microemulsion that gets.This proportioning is by 5000 times of dilution sprayings, 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 cucumber anthracnose effects are respectively 902.3%, 95.4% behind the medicine, 10% penconazole missible oil and 10% cyproconazole wetting powder are according to same quadrat method, dilute 2500 times and 1500 times of uses respectively, 14 days preventive effects are respectively 65.3% and 77.4% behind the medicine.
In the present embodiment penconazole replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, tetraconazole, Difenoconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, own azoles alcohol, Triadimenol, thereby form new embodiment.
The embodiment 7 80% Triadimenol cyproconazole water dispersible granules control rice blast test of pesticide effectiveness
Zineb 60%, cyproconazole 20%, alkyl benzene sulfonate calcium salt 3%, sodium phosphate trimer 3%, wetting and penetrating agent F 3%, ammonium sulfate 2%, starch 9%, the mixed 80% Triadimenol cyproconazole water dispersible granules 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 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 91.7%, 95.9% behind the medicine, 15% Triadimenol wetting powder and 10% cyproconazole wetting powder are according to same quadrat method, dilute 1000 times and 1500 times of uses respectively, 14 days preventive effects are respectively 65.7% and 71.5% behind the medicine.
In the present embodiment Triadimenol replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, tetraconazole, Difenoconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, own azoles alcohol, penconazole, thereby form new embodiment.
The embodiment 8 44% Flutriafol cyproconazole suspending agents control wheat powdery mildew test of pesticide effectiveness
Flutriafol 40%, cyproconazole 4%, polycarboxylate 4%, sodium lignin sulfonate 3%, DBSA 4%, silicone oil 0.1%, polyvinyl alcohol 0.3%, deionized water adds to 100%, the mixed 44% Flutriafol cyproconazole suspending agent that gets.This proportioning is by 4000 times of dilution sprayings, 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 wheat powdery mildew drug effects really are respectively 91.7%, 97.1% behind the medicine, 50% Flutriafol wetting powder and 10% cyproconazole wetting powder are according to same quadrat method, dilute 3000 times and 1500 times of uses respectively, 14 days preventive effects are respectively 71.5% and 74.8% behind the medicine.
In the present embodiment Flutriafol replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, tetraconazole, Difenoconazole, fluorine ring azoles, nitrile bacterium azoles, own azoles alcohol, Flusilazole, penconazole, Triadimenol, thereby form new embodiment.
Embodiment 9 48% Flusilazole cyproconazole microemulsions are prevented and treated the powdery mildew of cucumber test of pesticide effectiveness
Flusilazole 40%, cyproconazole 8%,, glycerine 15%, phenethyl phenol polyethenoxy ether 10%, butanols 5%, methylcellulose 2%, sodium sorbate 2%, silicone defoaming agent 0.5%, deionized water adds to 100%, the mixed 48% Flusilazole cyproconazole microemulsion that gets.This proportioning is by 3500 times of dilution sprayings, and in the dispenser of powdery mildew of cucumber their early stage, 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 powdery mildew of cucumber effect in 7 days, 14 days behind the medicine and be respectively 92.6%, 96.8%, 40% Flusilazole missible oil and 10% cyproconazole wetting powder are according to same quadrat method, dilute 2000 times and 1500 times of uses respectively, 14 days preventive effects are respectively 68.9% and 74.3% behind the medicine.
In the present embodiment Flusilazole replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, tetraconazole, Difenoconazole, fluorine ring azoles, nitrile bacterium azoles, own azoles alcohol, Flutriafol, penconazole, Triadimenol, thereby form new embodiment.
The embodiment 10 50% fluorine ring azoles cyproconazole suspending agents control rice green smut test of pesticide effectiveness
Fluorine ring azoles 30%, cyproconazole 20%, sodium lignin sulfonate 3%, naphthalene sulfonic acid-formaldehyde condensation product 2%, draw back powder 2%, silicone compound 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water and add to 100%, mixed 50% fluorine ring azoles cyproconazole suspending agent.This proportioning is by 4500 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.7 days, 14 days control rice green smut effects are respectively 91.4%, 95.8% behind the medicine, 12.5% epoxiconazole suspension concentrate and 10% cyproconazole wetting powder are according to same quadrat method, dilute 1200 times and 1600 times of uses respectively, 14 days preventive effects are respectively 69.8% and 73.4% behind the medicine.
In the present embodiment fluorine ring azoles replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, Triadimenol, thereby form new embodiment.
The embodiment 11 20% nitrile bacterium azoles cyproconazole aqueous emulsions control pear scab test of pesticide effectiveness
Nitrile bacterium azoles 5%, cyproconazole 15%, cyclohexanone 15%, OP-10 phosphate 5%, butanols 5%, polyvinyl alcohol 1%, glycerine 3%, silicone defoaming agent 0.5%, deionized water adds to 100%, the mixed 20% nitrile bacterium azoles cyproconazole aqueous emulsion that gets.This proportioning is by 2500 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.7 days, 14 days control pear scab effects are respectively 91.4%, 95.2% behind the medicine, 25% nitrile bacterium azoles missible oil and 10% cyproconazole wetting powder are according to same quadrat method, dilute 2000 times and 1500 times of uses respectively, 14 days preventive effects are respectively 67.3% and 73.9% behind the medicine.
In the present embodiment nitrile bacterium azoles replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, Flusilazole, Flutriafol, penconazole, Triadimenol, thereby form new embodiment.
The test of embodiment 12 10% Triadimenol cyproconazole seed treatment Rice seeds treated
Triadimenol 5%, cyproconazole 5%, polycarboxylate 4%, sodium lignin sulfonate 3%, dichlorophen 5%, lauric acid 1%, alkylbenzenesulfonate 3%, deionized water adds to 100%, the mixed 10% Triadimenol cyproconazole seed treatment that gets.This proportioning is pressed 25g/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 28 days calculate preventive effect is 100%, does not observe and infects.Contrast medicament 15% Triadimenol seed dressing and 10% cyproconazole seed dressing calculated preventive effect and are respectively 82.4%, 80.1% by using with quadrat method in after planting 28 days.
In the present embodiment Triadimenol replaceable be a kind of in the triazole bactericidal agents such as triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, Flusilazole, Flutriafol, penconazole, nitrile bacterium azoles, thereby form new embodiment.
Claims (9)
1. bactericidal composition that contains cyproconazole is characterized in that: a kind of and (B) ratio of weight and number of cyproconazole in two kinds of active components (A) triazole bactericidal agent is 80～1: 1～80.
2. a kind of bactericidal composition that contains cyproconazole according to claim 1 is characterized in that: described triazole bactericidal agent is selected from a kind of in triazolone, Tebuconazole, own azoles alcohol, Difenoconazole, tetraconazole, fluorine ring azoles, nitrile bacterium azoles, Flusilazole, Flutriafol, penconazole, the Triadimenol.
3. according to the described bactericidal composition that contains cyproconazole of claim 1, it is characterized in that: the percentage by weight of two kinds of active component A and B is 20～1: 1～20.
4. according to the described bactericidal composition that contains cyproconazole of claim 2, it is characterized in that: the percentage by weight of two kinds of active component A and B is 10～1: 1～10.
5. according to the described bactericidal composition that contains cyproconazole of claim 3, it is characterized in that: live
The percentage by weight of property component Tebuconazole and cyproconazole is 10～1: 1～10.
The own azoles alcohol of active component is 10～1: 1～10 with the percentage by weight of cyproconazole.
The percentage by weight of active component tetraconazole and cyproconazole is 10～1: 1～10.
The percentage by weight of active component Difenoconazole and cyproconazole is 10～1: 1～10.
The percentage by weight of active component fluorine ring azoles and cyproconazole is 10～1: 1～10.
The percentage by weight of active component nitrile bacterium azoles and cyproconazole is 10～1: 1～10.
The percentage by weight of active component Flusilazole and cyproconazole is 10～1: 1～10.
The percentage by weight of active component Flutriafol and cyproconazole is 10～1: 1～10.
The percentage by weight of active component penconazole and cyproconazole is 10～1: 1～10.
The percentage by weight of active component Triadimenol and cyproconazole is 1～10: 10～1.
6. the bactericidal composition that contains cyproconazole according to claim 1 is characterized in that: the weight percentage of active component is 10%～80% of a gross weight in the composition.
7. according to one of any described bactericidal composition that contains cyproconazole of claim 1 to 6, it is characterized in that: composition can be made into wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, seed treatment.
8. according to one of any described bactericidal composition that contains cyproconazole of claim 1 to 6, the microbial plant disease of cause of disease that is used to prevent and treat capsule bacterium subphylum, Basidiomycotina and Deuteromycotina.
9. the described bactericidal composition that contains cyproconazole of claim 8 is used to prevent and treat disease on the cereal crop as powdery mildew, rust, rice sheath blight disease, rice blast.
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| CN110041740A (en) * | 2019-05-08 | 2019-07-23 | 青岛农业大学 | A kind of forest limb sterilization smears and its preparation method and application extending the triazole bactericidal agent lasting period |
| CN114304163A (en) * | 2021-12-30 | 2022-04-12 | 江苏仁信作物保护技术有限公司 | Suspending agent containing azoxystrobin, tebuconazole and cyproconazole and preparation method thereof |
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