CN101584323A - A kind of bactericidal composition that contains Fluoxastrobin and own azoles alcohol - Google Patents
A kind of bactericidal composition that contains Fluoxastrobin and own azoles alcohol Download PDFInfo
- Publication number
- CN101584323A CN101584323A CNA2009100220462A CN200910022046A CN101584323A CN 101584323 A CN101584323 A CN 101584323A CN A2009100220462 A CNA2009100220462 A CN A2009100220462A CN 200910022046 A CN200910022046 A CN 200910022046A CN 101584323 A CN101584323 A CN 101584323A
- Authority
- CN
- China
- Prior art keywords
- fluoxastrobin
- azoles alcohol
- bactericidal composition
- composition
- agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000005784 Fluoxastrobin Substances 0.000 title claims abstract description 109
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 150000003851 azoles Chemical class 0.000 title claims abstract description 71
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- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 150000003432 sterols Chemical class 0.000 description 1
- 235000003702 sterols Nutrition 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 231100000820 toxicity test Toxicity 0.000 description 1
- HTSABYAWKQAHBT-UHFFFAOYSA-N trans 3-methylcyclohexanol Natural products CC1CCCC(O)C1 HTSABYAWKQAHBT-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Abstract
The present invention proposes a kind of bactericidal composition that contains Fluoxastrobin and own azoles alcohol, this bactericidal composition contains effective active composition Fluoxastrobin and own azoles alcohol, the percentage by weight of Fluoxastrobin and own azoles alcohol is 5～80: 50～1, and the two composite back has synergistic function in certain ratio range.Composition effective active composition adds auxiliary agent and excipients is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion, be applicable to the common disease of control fruit tree, be mainly used in control alternaria leaf spot of apple, sigatoka, grape powdery mildew.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of contain Fluoxastrobin and the composite application of bactericide on the common disease of fruit tree of own azoles alcohol.
Technical background
Fluoxastrobin (Azoxystorbin) is a kind of brand-new β methoxy acrylic acid lipid bactericide, is by Syngenta Co.,Ltd's development product.Former medicine outward appearance is the light brown solid, no special odor.Molecular formula: C
22H
17N
3O
5, chemical name: (E)-2-{2-[6 (2-cyano-benzene oxygen) pyrimidine-4-base oxygen] phenyl }-the 3-methoxy acrylate.
Fluoxastrobin belongs to the mitochondrial respiratory inhibitor, has protection, treats and root out triple function, destroys synthetic its loss of life power that makes of energy of bacterium by the respiration that suppresses germ.Own azoles alcohol has good crop safety and very outstanding Environmental compatibility.Efficiently, wide spectrum, nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc. are all had good activity.Can be used for cauline leaf spraying, seed treatment, also can carry out soil treatment, be mainly used in cereal, paddy rice, peanut, grape, potato, fruit tree, vegetables, coffee etc.
Own azoles alcohol (Hexaconazole) is the triazole bactericidal agent by Syngenta Co.,Ltd's exploitation, molecular formula: C
14H
17C
12X
3O, chemical name: (RS)-2-(2,4 dichloro benzene base)-1-(1H-1,2,4-triazol-1-yl)-oneself-2-alcohol.
Own azoles alcohol is a kind of sterol demethylation inhibitor, destroys and stop the biosynthesis of the cell membrane important composition composition ergosterol of bacterium, causes cell membrane not form, and makes germ death, has interior suction, protection and therapeutic activity.Can effectively prevent disease due to Ascomycetes, basidiomycetes and the imperfect fungus.Especially the disease that Basidiomycetes and Ascomycetes are caused as: powdery mildew, rust, scab, brown spot, anthracnose have excellent protection and eradicant action.
Frequent use and the drug-fast continuous increase of germ along with the conventional sterilization agent, the difficulty of disease control is increasing, and the use of single agent agricultural chemicals has certain limitation, single agent agricultural chemicals of long-term single a kind of composition of use can be very fast cause drug-fast generation, strengthen the difficulty of prevention and cure of disease.Along with banning use of of high-toxic pesticide, agricultural chemicals is formed complex preparation according to active ingredient become a kind of trend, it is the effective and rapid ground mode a kind of commonly used of present R and D novel agrochemical formulations, Fluoxastrobin and own azoles alcohol belong to the bactericide of two kinds of different modes of action, mutually compositely can not produce conflict, but also have synergistic effect.
Composite about between these two kinds of active ingredients of Fluoxastrobin and own azoles alcohol do not see relevant report at present at home and abroad as yet.
Summary of the invention
The objective of the invention is to solve existing issue a kind of have synergistic effect, use cost is low, practical effect the is good bactericidal composition that contains Fluoxastrobin and own azoles alcohol are provided.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains Fluoxastrobin and own azoles alcohol is characterized in that: the percentage by weight of Fluoxastrobin and own azoles alcohol is 5～80: 50～1.
The described bactericidal composition that contains Fluoxastrobin and own azoles alcohol, preferably the active component percentage by weight after is 10～70: 40～5.
Describedly contain the bactericidal composition of Fluoxastrobin and own azoles alcohol and known auxiliary agent and excipient made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion.
When making wetting powder, composition comprises following constituent content: Fluoxastrobin 5～80%, own azoles alcohol 1～50%, dispersant 3～15%, wetting agent 3～12%, filler 8～88%.
Above-mentioned formulation material is mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into the own azoles alcohol of Fluoxastrobin wetting powder product.
When making water dispersible granules, composition comprises following constituent content: Fluoxastrobin 5～80%, own azoles alcohol 1～50%, dispersant 3～12%, wetting agent 3～8%, disintegrant 0～8%, thickener 0～5%, filler 8～88%.
Former medicine is obtained the particle diameter that needs with dispersant, wetting agent, disintegrant, filler etc. through comminution by gas stream, add other auxiliary agents such as thickener 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 Fluoxastrobin diniconazole water dispersible granule product.
When making suspending agent, composition comprises following constituent content: Fluoxastrobin 5～50%, own azoles alcohol 1～40%, dispersant 3～12%, wetting agent 2～10%, defoamer 0.1～0.5%, thickener 0～2%, antifreeze 0～8%, deionized water surplus.
Dispersant in the above-mentioned formulation material, wetting agent, defoamer, thickener, antifreeze are mixed through high speed shear, add former medicine, ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes Fluoxastrobin hexaconazole suspending agent product.
When making aqueous emulsion, composition comprises following constituent content: Fluoxastrobin 5～50%, own azoles alcohol 1～40%, solvent 5～25%, emulsifier 1～10%, dispersant 2～8%, defoamer 0.01～0.5%, thickener 0～2%, antifreeze 0～6%, deionized water surplus.
Above-mentioned formulation material Central Plains medicine, solvent added with emulsifier be in the same place, make and be dissolved into even oil phase; Water, antifreeze, defoamer etc. are mixed, become the homogeneous water; Under high-speed stirred, water is added oil phase or oil phase is added water, make Fluoxastrobin hexaconazole aqueous emulsion product behind the good dispersion.
When making microemulsion, composition comprises following constituent content: Fluoxastrobin 5～50%, own azoles alcohol 1～40%, solvent 5～25%, emulsifier 1～20%, antifreezing agent 0～10%, deionized water surplus.
Above-mentioned prescription Central Plains medicine, solvent, emulsifier fully are mixed into the oil phase of homogeneous transparent, under agitation slowly add deionized water, form WO emulsion, again through agitating heating, make it rapid phase inversion and become oil-in-water type, be chilled to room temperature and make it to reach balance, make stable Fluoxastrobin hexaconazole microemulsion product after filtration.
Described emulsifier is selected from: farming breast 500
#(alkyl benzene calcium sulfonate), OP series phosphate (polyoxyethylene nonylphenol ether 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 1600
#(phenethyl phenol polyoxy ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), By series (castor oil polyoxyethylene ether), farming breast 33
#In (alkylaryl polyoxyethylene polyoxypropylene ether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), the AEO series (the pure APEO of fat) one or more.
Described solvent is selected from: N, one or more in dinethylformamide, cyclohexanone, toluene, dimethylbenzene, dimethyl sulfoxide (DMSO), ethanol, 3-methyl cyclohexanol ketenes, N-octylpyrrolidone, N-pyrrolidones, N-Methyl pyrrolidone, propyl alcohol, butanols, ethylene glycol, diethylene glycol, ethylene glycol monomethyl ether, butyl ether, ethyl acetate, vegetable oil, the acetonitrile.
Described dispersant is selected from polycarboxylate, lignosulfonates, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, in phonetic one or more of polyoxyethylene carboxylate, fatty acid glyceride polyoxyethylene.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, DBSA, 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, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Described binding agent is selected from: one or more in gum Arabic, white dextrin, carboxy-propyl cellulose, xanthan gum, methylcellulose, PAA, polyvinylpyrrolidone, crospolyvinylpyrrolidone, polyethylene glycol, polyvinyl alcohol, anhydrous succinic acid-styrene copolymerized, the polyvinyl acetate.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, the glycerine.
Described defoamer is selected from: one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, the C8-10 aliphatic alcohols compound.
Described thickener is selected from: one or more in xanthan gum, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, polyvinyl alcohol, the polyethylene glycol.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Composition of the present invention is mainly used in control alternaria leaf spot of apple, sigatoka, grape powdery mildew.
Beneficial effect of the present invention: the used Fluoxastrobin of (1) the present invention is a β methoxy acrylic acid lipid bactericide, and own azoles alcohol is triazole bactericidal agent; Both are mixed mutually and can produce conflict.Reduce single agent usage amount of two kinds of agricultural chemicals, reduce the unfavorable effect that environment is produced.(2) the present invention makes up drug effect and uses each composition drug effect height than independent, and insecticidal spectrum is wider, has good synergistic effect.(3) be applicable to the control fruit diseases.Especially the disease of crop such as apple, banana; Mainly contain alternaria leaf spot of apple, sigatoka, grape powdery mildew.
Embodiment
To further instruction of the present invention, the percentage among the embodiment all is weight percentage below in conjunction with embodiment, and the treatment dosage of biologically-active moiety is active constituent content, 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.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.
Implementation of an application example one the implementation of Formulation Example
The own azoles alcohol of embodiment 180% Fluoxastrobin wetting powder
Take by weighing Fluoxastrobin 55%, own azoles alcohol 25%, lignosulfonates 4%, polycarboxylate 5%, lauryl sodium sulfate 6%, white carbon 5%, mixture carries out comminution by gas stream, makes the own azoles alcohol of 80% Fluoxastrobin wetting powder.
The own azoles alcohol of embodiment 260% Fluoxastrobin wetting powder
Take by weighing Fluoxastrobin 40%, own azoles alcohol 20%, lignosulfonates 4%, polycarboxylate 3% soapberry powder 5%, kaolin 28%, mixture carries out comminution by gas stream, makes the own azoles alcohol of 60% Fluoxastrobin wetting powder.
Embodiment 370% Fluoxastrobin diniconazole water dispersible granule
Take by weighing Fluoxastrobin 53%, own azoles alcohol 17%, polycarboxylate 5%, silkworm excrement 4%, aluminium chloride 3%, gum Arabic 0.5%, starch 8%, kaolin 9.5%, the mixed 70% Fluoxastrobin diniconazole water dispersible granule that gets.
Embodiment 450% Fluoxastrobin diniconazole water dispersible granule
Take by weighing Fluoxastrobin 35%, own azoles alcohol 15%, alkyl benzene sulfonate calcium salt 5%, lauryl sodium sulfate 4%, ammonium sulfate 3%, starch 8%, kaolin 30%, the mixed 50% Fluoxastrobin diniconazole water dispersible granule that gets.
Embodiment 545% Fluoxastrobin hexaconazole suspending agent
Take by weighing that Fluoxastrobin 35%, own azoles alcohol 10%, aliphatic amine polyoxyethylene are phonetic 5%, spaonin powder 4%, silicone oil 0.1%, gum Arabic 0.3%, deionized water add to 100%, mixed 45% Fluoxastrobin hexaconazole suspending agent.
Embodiment 630% Fluoxastrobin hexaconazole suspending agent
Take by weighing Fluoxastrobin 24%, own azoles alcohol 6%, lignosulfonates 4%, Nekal BX 3%, C8-10 aliphatic alcohols compound 0.1%, hydroxyethylcellulose 0.2%, ethylene glycol 3%, deionized water and add to 100%, mixed 30% Fluoxastrobin hexaconazole suspending agent.
Embodiment 735% Fluoxastrobin hexaconazole aqueous emulsion
Take by weighing Fluoxastrobin 27%, own azoles alcohol 8%, ethanol 18%, N, N dimethyl formamide 7%, farming breast 500
#3%, lignosulfonates 2%, silicone oil 0.08%, deionized water add to 100%, the mixed 35% Fluoxastrobin hexaconazole aqueous emulsion that gets.
Embodiment 815% Fluoxastrobin hexaconazole aqueous emulsion
Take by weighing Fluoxastrobin 10%, own azoles alcohol 5%, ethanol 8%, N, N dimethyl formamide 3%, alkylphenol-formaldehyde resin polyoxy ethyl ether 4%, farming breast 500
#4%, OP-phosphate 3%, silicone oil 0.08%, gum Arabic 0.3%, ethylene glycol 2%, deionized water add to 100%, the mixed 15% Fluoxastrobin hexaconazole aqueous emulsion that gets.
Embodiment 940% Fluoxastrobin hexaconazole microemulsion
Take by weighing Fluoxastrobin 31%, own azoles alcohol 9%, cyclohexanone 10%, N-Methyl pyrrolidone 10%, vegetable oil 5%, farming breast 1600
#6%, the farming breast 600
#5%, silicone oil 2%, and deionized water adds to 100%, the mixed 40% Fluoxastrobin hexaconazole microemulsion that gets.
Embodiment 1020% Fluoxastrobin hexaconazole microemulsion
Take by weighing Fluoxastrobin 15%, own azoles alcohol 5%, N-crassitude 8%, N, N dimethyl formamide 7%, Nongru-700
#4%, the farming breast 1600
#3%, the farming breast 500
#2%, silicone oil 0.1%, polyvinyl alcohol 0.5%, deionized water adds to 100%, the mixed 20% Fluoxastrobin hexaconazole microemulsion that gets.
Implementation of an application example two: Fluoxastrobin and own azoles alcohol are mixed to the sigatoka Toxicity Determination
This experimental establishment is in plant protection institute of Shandong Agricultural University, and 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 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 sigatoka.Measure colony diameter with the right-angled intersection method behind the 120h, calculate and respectively handle clean amount of growth, mycelial growth inhibition rate.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.Concentration and synergy ratio (SR) are as shown in the table in the virulence regression equation of the Fluoxastrobin that is obtained, own azoles alcohol and composite comparison sigatoka, the inhibition:
Table 1 Fluoxastrobin, own azoles alcohol and use toxicity test analysis of results table with to sigatoka
As shown in Table 1, Fluoxastrobin, own azoles alcohol are to the EC of sigatoka
50Be respectively 2.16mg/L and 0.85mg/L.The virulence of own azoles alcohol is higher than the virulence of Fluoxastrobin.Fluoxastrobin and 1: 1,2: 1,3: 1,5: 1,7: 1 synergy ratio of own azoles alcohol proportioning are respectively 1.36,1.55,1.71,1.52,1.35, both proportionings are to show as certain synergistic effect at 2: 1,3: 1,5: 1 o'clock, and it is comparatively reasonable to illustrate that own azoles alcohol and Fluoxastrobin were mixed in the scope at 2: 1～5: 1.
Embodiment uses three: Fluoxastrobin and own azoles alcohol are mixed and prevent and treat the alternaria leaf spot of apple test of pesticide effectiveness
This experimental establishment is at Pucheng County, Shaanxi Province plant protection unit, and test medicine is researched and developed, provided by Shaanxi Pucheng County Meibang Pesticide Co., Ltd., contrast medicament 25% Fluoxastrobin suspending agent (commercial), 5% hexaconazole suspending agent (commercial).
Disease index is calculated in investigation before the medicine, and dispenser in per 7 days once is total to dispenser 4 times, investigates disease indexs in 7 days, 15 days, 30 days behind the last medicine and calculates preventive effect.Experimental result is as follows:
The own azoles alcohol of table 2, Fluoxastrobin and the control alternaria leaf spot of apple test of pesticide effectiveness that is mixed thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 15 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| The own azoles alcohol of 80% Fluoxastrobin wetting powder | 9000 times | 67.29 | 85.95 | 91.37 |
| 50% Fluoxastrobin diniconazole water dispersible granule | 6000 times | 65.42 | 86.71 | 90.72 |
| 30% Fluoxastrobin hexaconazole suspending agent | 4000 times | 69.32 | 88.46 | 89.29 |
| 15% Fluoxastrobin hexaconazole aqueous emulsion | 2500 times | 70.25 | 86.29 | 88.74 |
| 40% Fluoxastrobin hexaconazole microemulsion | 5000 times | 68.41 | 85.71 | 89.07 |
| 25% Fluoxastrobin suspending agent | 1200 times | 53.77 | 72.06 | 65.06 |
| 5% hexaconazole suspending agent | 1000 times | 62.43 | 82.74 | 79.39 |
As can be seen from Table 2, energy effectively preventing alternaria leaf spot of apple after Fluoxastrobin and own azoles alcohol are composite, control efficiency is better than 1200 times of preventive effects of 25% Fluoxastrobin suspending agent, and is suitable with 1000 times of preventive effects of 5% hexaconazole suspending agent; 30 days preventive effects all are better than contrasting medicament behind the last medicine, and the lasting period is long.In the test scope of medication target crop is not had harm, apple mildew is also had good preventive effect, 30 days preventive effect reaches more than 80% behind the last medicine.
Implementation of an application example four: Fluoxastrobin and own azoles alcohol are mixed and prevent and treat the sigatoka test of pesticide effectiveness
This experimental establishment is in one banana garden of Guangxi province Nanning suburban district, and test medicine is researched and developed, provided by Shaanxi Pucheng County Meibang Pesticide Co., Ltd., contrast medicament 25% Fluoxastrobin suspending agent (commercial), 5% hexaconazole suspending agent (commercial).
In the sigatoka initial stage of origination, investigation banana disease index, dispenser in per 7 days once is total to dispenser 5 times.Investigate disease indexs in 7 days, 14 days, 30 days behind the last medicine and calculate preventive effect.Result of the test is as shown in the table:
Table 3 Fluoxastrobin, own azoles alcohol and be mixed and prevent and treat the sigatoka test of pesticide effectiveness
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 14 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| The own azoles alcohol of 60% Fluoxastrobin wetting powder | 5000 times | 67.25 | 85.47 | 89.41 |
| 70% Fluoxastrobin diniconazole water dispersible granule | 6000 times | 68.73 | 83.76 | 88.17 |
| 45% Fluoxastrobin hexaconazole suspending agent | 3500 times | 70.18 | 81.26 | 90.28 |
| 35% Fluoxastrobin hexaconazole aqueous emulsion | 3000 times | 69.11 | 82.74 | 91.32 |
| 20% Fluoxastrobin hexaconazole microemulsion | 2000 times | 74.43 | 80.06 | 92.15 |
| 25% Fluoxastrobin suspending agent | 1000 times | 66.85 | 78.37 | 84.41 |
| 5% hexaconazole suspending agent | 800 times | 65.37 | 75.09 | 81.58 |
As can be seen from Table 3, energy effectively preventing sigatoka after Fluoxastrobin and own azoles alcohol are composite, control efficiency all is better than contrasting medicament.In the test scope of medication, the target crop there is not harm.
Implementation of an application example five: Fluoxastrobin and own azoles alcohol are mixed and prevent and treat the grape powdery mildew test of pesticide effectiveness
This experimental establishment is in Changan District Da Yu town, Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi Pucheng County Meibang Pesticide Co., Ltd., contrast medicament 25% Fluoxastrobin suspending agent (commercial), 5% hexaconazole suspending agent (commercial).
In the grape powdery mildew initial stage of origination, the investigation disease index, dispenser in per 7 days once is total to dispenser 3 times.Investigate disease indexs in 7 days, 14 days behind the last medicine and calculate preventive effect.Result of the test is as shown in the table:
Table 4 Fluoxastrobin, own azoles alcohol and the control grape powdery mildew test of pesticide effectiveness that is mixed thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 14 days preventive effects (%) behind the last medicine |
| The own azoles alcohol of 60% Fluoxastrobin wetting powder | 5000 times | 81.36 | 93.76 |
| 50% Fluoxastrobin diniconazole water dispersible granule | 4000 times | 82.54 | 92.65 |
| 30% Fluoxastrobin hexaconazole suspending agent | 2500 times | 81.67 | 93.47 |
| 15% Fluoxastrobin hexaconazole aqueous emulsion | 1500 times | 80.47 | 90.29 |
| 20% Fluoxastrobin hexaconazole microemulsion | 2000 times | 82.67 | 91.36 |
| 25% Fluoxastrobin suspending agent | 1000 times | 78.09 | 85.44 |
| 5% hexaconazole suspending agent | 800 times | 80.39 | 86.26 |
As can be seen from Table 4, energy effectively preventing grape powdery mildew after Fluoxastrobin and own azoles alcohol are composite, control efficiency all is better than contrasting medicament.In the test scope of medication, the target crop there is not harm.
Claims (8)
1, a kind of bactericidal composition is characterized in that the effective active composition contains Fluoxastrobin and own azoles alcohol, and wherein the percentage by weight of Fluoxastrobin and own azoles alcohol is 5～80: 50～1.
2, the bactericidal composition that contains Fluoxastrobin and own azoles alcohol according to claim 1 is characterized in that: Fluoxastrobin and the preferred percentage by weight of own azoles alcohol are: 10～70: 40～5.
3, the bactericidal composition that contains Fluoxastrobin and own azoles alcohol according to claim 1, it is characterized in that: the effective active composition adds conventional auxiliary agent and excipient is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion, microemulsion.
4, the bactericidal composition that contains Fluoxastrobin and own azoles alcohol according to claim 3 comprises following constituent content when it is characterized in that making wetting powder: Fluoxastrobin 5～80%, own azoles alcohol 1～50%, dispersant 3～15%, wetting agent 3～12%, filler 8～88%.
5, the bactericidal composition that contains Fluoxastrobin and own azoles alcohol according to claim 3 comprises following constituent content when it is characterized in that making water dispersible granules: Fluoxastrobin 5～80%, own azoles alcohol 1～50%, dispersant 3～12%, wetting agent 3～8%, disintegrant 0～8%, thickener 0～5%, filler 8～88%.
6, the bactericidal composition that contains Fluoxastrobin and own azoles alcohol according to claim 3 comprises following constituent content when it is characterized in that making suspending agent: Fluoxastrobin 5～50%, own azoles alcohol 1～40%, dispersant 3～12%, wetting agent 2～10%, defoamer 0.1～0.5%, thickener 0～2%, antifreeze 0～8%, deionized water surplus.
7, the bactericidal composition that contains Fluoxastrobin and own azoles alcohol according to claim 3 comprises following constituent content when it is characterized in that making aqueous emulsion: Fluoxastrobin 5～50%, own azoles alcohol 1～40%, solvent 5～25%, emulsifier 1～10%, dispersant 2～8%, defoamer 0.01～0.5%, thickener 0～2%, antifreeze 0～6%, deionized water surplus.
8, the bactericidal composition that contains Fluoxastrobin and own azoles alcohol according to claim 3 comprises following constituent content when it is characterized in that making microemulsion: Fluoxastrobin 5～50%, own azoles alcohol 1～40%, solvent 5～25%, emulsifier 1～20%, antifreezing agent 0～10%, deionized water surplus.
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| CN104886047A (en) * | 2015-05-04 | 2015-09-09 | 浙江龙游东方阿纳萨克作物科技有限公司 | Azoxystrobin water dispersible granule |
| CN114190391A (en) * | 2016-08-09 | 2022-03-18 | 大日本除虫菊株式会社 | Mildew preventive composition and mildew preventive method |
| CN114190391B (en) * | 2016-08-09 | 2024-02-20 | 大日本除虫菊株式会社 | Mildew preventive composition and mildew preventive method |
| CN111903686A (en) * | 2020-08-21 | 2020-11-10 | 安徽华星化工有限公司 | Pesticide compound mixture microemulsion containing dimehypo and fosthiazate and production method thereof |
| CN114557360A (en) * | 2022-01-19 | 2022-05-31 | 海南浙江大学研究院 | Ternary compound bactericide for preventing and treating rice grain smut in hybrid rice seed production field and application |
| CN114557360B (en) * | 2022-01-19 | 2023-11-03 | 海南浙江大学研究院 | Ternary compound bactericide for preventing and treating hybrid rice seed production field rice grain smut and application thereof |
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