CN102047890B - Sterilization composition containing Azoxystrobin and Epoxiconazole - Google Patents
Sterilization composition containing Azoxystrobin and Epoxiconazole Download PDFInfo
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- CN102047890B CN102047890B CN 201010592193 CN201010592193A CN102047890B CN 102047890 B CN102047890 B CN 102047890B CN 201010592193 CN201010592193 CN 201010592193 CN 201010592193 A CN201010592193 A CN 201010592193A CN 102047890 B CN102047890 B CN 102047890B
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- fluoxastrobin
- ring azoles
- fluorine ring
- epoxiconazole
- sterilization composition
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Abstract
The invention relates to a sterilization composition with synergistic effect. The effective active ingredients of the sterilization composition comprise Azoxystrobin and Epoxiconazole, wherein the weight ratio of the Azoxystrobin to the Epoxiconazole is (20:1)-(1:20); and auxiliaries and excipients are added in the effective active ingredients to make wettable powder, water dispersible granules, suspending agents, suspending emulsions and the like. The sterilization composition is mainly used for preventing and treating powdery mildew, anthracnose, alternaria leaf spot, rust disease and sheath blight.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition on crop pest that contains Fluoxastrobin and fluorine ring azoles.
Technical background
Fluoxastrobin (azoxystrobin) is the heterocyclic nitrogen-group fungicide of Britain ICI company exploitation.Molecular formula: C
24H
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, namely passes through to shift to the electronics of cromoci at cytochrome B cl, thereby suppresses mitochondrial breathing.The bacterial strain that 14-demethylation enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole is produced resistance is effective.Have protection, root out, infiltration, systemic activity.Suppress spore germination and mycelial growth and produce spore always.
Fluorine ring azoles (epoxiconazole), molecular formula are C
17H
13ClFN
3O, chemical name: (2RS, 3SR)-3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2,4-triazol-1-yl) methyl] oxirane.
Fluorine ring azoles belongs to triazole type, is a kind of broad-spectrum germicide, for C-14 demethylation enzyme inhibitor in the sterol biosynthesis, can prevent and treat the various crop disease, has protection and therapeutic action concurrently.Field trial shows that it has good preventive and therapeutic effect to multiple diseases such as a series of cereal crop diseases such as damping off, powdery mildew, eyeprint diseases, and can prevent the disease in beet, peanut, rape, lawn, paddy rice and the fruit tree etc.It not only has good protection, treats and roots out activity.And have interior absorption and a preferable residual activity.
But no matter be Fluoxastrobin, fluorine ring azoles or other efficient germicides, long-term use separately makes disease develop immunity to drugs easily, causes the problem that dosage strengthens, preventive effect reduces, the lasting period shortens, and is unfavorable for environment sustainable development.The active ingredient of the different mechanisms of action is carried out 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.Fluoxastrobin is different with the fluorine ring azoles mechanism of action, and mutually composite have good synergistic effect within the specific limits.And composite about Fluoxastrobin and fluorine ring azoles do not see relevant report at present at home and abroad as yet.
Summary of the invention
The objective of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good bactericidal composition that contains Fluoxastrobin and fluorine ring azoles.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains Fluoxastrobin and fluorine ring azoles, wherein Fluoxastrobin and fluorine ring azoles weight ratio are 20: 1～1: 20.
The described bactericidal composition that contains Fluoxastrobin and fluorine ring azoles, wherein the weight ratio of Fluoxastrobin and fluorine ring azoles is 10: 1～1: 10.
The described bactericidal composition that contains Fluoxastrobin and fluorine ring azoles, wherein the weight ratio of Fluoxastrobin and fluorine ring azoles is 5: 1～1: 5.
The described bactericidal composition that contains Fluoxastrobin and fluorine ring azoles, wherein the weight ratio of Fluoxastrobin and fluorine ring azoles is 2: 1～1: 2.
The described bactericidal composition that contains Fluoxastrobin and fluorine ring azoles adds conventional auxiliary agent and can be made into any one formulation that allows on the agricultural chemicals by technology well-known in the art, wherein more preferably has: wetting powder, water dispersible granules, suspending agent, suspension emulsion.
Composition of the present invention is mainly used in preventing and treating powdery mildew, anthracnose, spot fallen leaves, rust, banded sclerotial blight and banded sclerotial blight.
Beneficial effect of the present invention: (1) present composition effective active composition Fluoxastrobin and fluorine ring azoles belong to the bactericide of two kinds of different mechanisms of action, and both are mixed mutually and can produce conflict; (2) present composition has good synergistic effect within the specific limits, and preventive effect is higher than single agent, and dosage is little; (3) the present invention is with an organic solvent few, is difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has special efficacy to powdery mildew, anthracnose, spot fallen leaves, rust, banded sclerotial blight and banded sclerotial blight.
Embodiment
Below in conjunction with the further instruction of the present invention of embodiment, the percentage among the embodiment all is weight percentage, 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.Earlier by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR＜0.5 is 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
Embodiment 1 80% Fluoxastrobin epoxiconazole water dispersant
Fluoxastrobin 50%, fluorine ring azoles 30%, polycarboxylate 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, ammonium sulfate 2%, starch add to 100%, the mixed 80% Fluoxastrobin epoxiconazole water dispersant that gets.
Embodiment 2 70% Fluoxastrobin epoxiconazole water dispersants
Fluoxastrobin 10%, fluorine ring azoles 60%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 3%, kaolin add to 100%, the mixed 70% Fluoxastrobin epoxiconazole water dispersant that gets.
Embodiment 3 60% Fluoxastrobin epoxiconazole water dispersants
Fluoxastrobin 40%, fluorine ring azoles 20%, alkyl benzene sulfonate calcium salt 5%, Nekal BX 6%, urea 3%, urea 10%, precipitated calcium carbonate add to 100%, the mixed 60% Fluoxastrobin epoxiconazole water dispersant that gets.
Embodiment 4 50% Fluoxastrobin epoxiconazole water dispersants
Fluoxastrobin 40%, fluorine ring azoles 10%, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, starch 10%, bentonite add to 100%, mixed 50% Fluoxastrobin epoxiconazole water dispersant.
Embodiment 5 50% Fluoxastrobin epoxiconazole suspension concentrates
Fluoxastrobin 10%, fluorine ring azoles 40%, alkyl benzene sulfonate calcium salt 4%, sodium lignin sulfonate 3%, DBSA 4%, silicone oil 0.1%, xanthans 0.3%, deionized water adds to 100%, the mixed 50% Fluoxastrobin epoxiconazole suspension concentrate that gets.
Embodiment 6 35% Fluoxastrobin epoxiconazole suspension concentrates
Fluoxastrobin 5%, fluorine ring azoles 30%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, ethylene glycol 2%, deionized water add to 100%, the mixed 35% Fluoxastrobin epoxiconazole suspension concentrate that gets.
Embodiment 7 30% Fluoxastrobin epoxiconazole suspension concentrates
Fluoxastrobin 10%, fluorine ring azoles 20%, polyoxyethylene carboxylate 4%, spaonin powder 5%, silicone compound 0.1%, polyvinyl alcohol 0.4%, propane diols 2%, deionized water add to 100%, the mixed 30% Fluoxastrobin epoxiconazole suspension concentrate that gets.
Embodiment 8 18% Fluoxastrobin epoxiconazole suspension concentrates
Fluoxastrobin 2%, fluorine ring azoles 16%, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water add to 100%, the mixed 18% Fluoxastrobin epoxiconazole suspension concentrate that gets.
Embodiment 9 45% Fluoxastrobin fluorine ring azoles suspension emulsions
Fluoxastrobin 40%, fluorine ring azoles 5%, sorbitol monooleate 8%, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 5%, gelatin 2%, ethyl acetate 10%, acetonitrile 5%, silicone oil 0.2%, glycerine 3%, deionized water add to 100%, the mixed 45% Fluoxastrobin fluorine ring azoles suspension emulsion that gets.
Embodiment 10 40% Fluoxastrobin fluorine ring azoles suspension emulsions
Fluoxastrobin 10%, fluorine ring azoles 30%, farming breast 400
#8%, alkyl benzene sulfonate calcium salt 5%, acetonitrile 10%, ethyl acetate 5%, polyethylene glycol 3%, organosilicon 0.2%, xanthans 1%, deionized water add to 100%, the mixed 40% Fluoxastrobin fluorine ring azoles suspension emulsion that gets.
Embodiment 11 33% Fluoxastrobin fluorine ring azoles suspension emulsions
Fluoxastrobin 30%, fluorine ring azoles 3%, sorbitol monooleate 8%, OP series 5%, sodium lignin sulfonate 10%, ethyl acetate 12%, polyethylene glycol 4%, silicone defoaming agent 0.3%, deionized water add to 100%, the mixed 30% Fluoxastrobin fluorine ring azoles suspension emulsion that gets.
Embodiment 12 10% Fluoxastrobin fluorine ring azoles suspension emulsions
Fluoxastrobin 5%, fluorine ring azoles 5%, farming breast 400
#8%, the farming breast 600
#5%, sodium lignin sulfonate 3%, polycarboxylate 2%, acetonitrile 8%, polyvinyl alcohol 4%, propane diols 2%, silicone compound 0.1%, deionized water add to 100%, the mixed 10% Fluoxastrobin fluorine ring azoles suspension emulsion that gets.
Implementation of an application example two: Fluoxastrobin and fluorine ring azoles are composite to the powdery mildew of cucumber Toxicity Determination
Test medicine is provided by the inventor.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 medicament to the virulence of powdery mildew of cucumber.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 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 Fluoxastrobin and fluorine ring azoles shared ratio in combination
A is Fluoxastrobin
B is fluorine ring azoles
Result of the test is as shown in table 1:
Table 1 Fluoxastrobin, fluorine ring azoles and composite toxicity test analysis of results table to powdery mildew of cucumber thereof
As shown in Table 1, Fluoxastrobin, fluorine ring azoles are to the EC of powdery mildew of cucumber
50Be respectively 2.43mg/L and 1.96mg/L.Fluoxastrobin and 20: 1,10: 1,5: 1,2: 1,1: 1,1: 2,1: 5,1: 10,1: 20 synergy ratio of fluorine ring azoles proportioning are respectively 1.502,1.554,1.693,1.860,2.028,1.905,1.761,1.635,1.510, illustrating that Fluoxastrobin and fluorine ring azoles were mixed in the scope at 20: 1～1: 20 all shows obvious synergistic effect, synergy ratio SR maximum when Fluoxastrobin and fluorine ring azoles weight ratio are 1: 1 wherein, synergistic effect is the most obvious.
Embodiment uses three Fluoxastrobins and fluorine ring azoles and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
This experimental establishment is at Liquan County, Shaanxi Province footpath between fields Dong Zhen, and test medicine is researched and developed, provided by the inventor, contrast medicament 12.5% epoxiconazole suspension concentrate (commercial), 50% azoxystrobin water dispersible granule (commercial).
Investigate before the dispenser for the first time and calculate the alternaria leaf spot of apple disease index, dispenser for the second time after 7 days, dispenser is 3 times altogether, investigates disease indexs in 7 days, 15 days after the dispenser for the second time and calculates preventive effect.Experimental result is as follows:
Table 2 Fluoxastrobin, fluorine ring azoles and the composite control alternaria leaf spot of apple test of pesticide effectiveness thereof
As can be seen from Table 2, can effectively prevent and treat alternaria leaf spot of apple after Fluoxastrobin and fluorine ring azoles are composite, control efficiency all is better than contrasting medicament, and the lasting period is long.In the test scope of medication, the target crop is had no adverse effects, and apple mildew is had preventive effect preferably.
Implementation of an application example four: Fluoxastrobin and fluorine ring azoles and the composite control wheat powdery mildew test of pesticide effectiveness thereof
This experimental establishment is in the Lingbi County, Jiangxi Province, and test medicine is researched and developed, provided by the inventor, contrast medicament 12.5% epoxiconazole suspension concentrate (commercial), 50% azoxystrobin water dispersible granule (commercial).
The investigation wheat powdery mildew state of an illness before the medicine, in their early stage dispenser for the first time, dispenser in per 7 days once is total to dispenser 2 times.Investigated the wheat powdery mildew disease index respectively and calculated preventive effect in 7 days, 14 days after the dispenser for the third time.Experimental result is as follows:
Table 3 Fluoxastrobin, fluorine ring azoles and the composite control wheat powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 3, energy effectively preventing wheat powdery mildew after Fluoxastrobin and fluorine ring azoles are composite, control efficiency all is better than contrasting medicament, and dosage is little, and the lasting period is long.In the test scope of medication target crop is not had harm, and wheat rust is had good preventive effect, preventive effect reaches more than 90%.
Implementation of an application example five: Fluoxastrobin, fluorine ring azoles and the composite rice sheath blight disease test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in Hanzhong City suburb, Shaanxi Province, and test medicine is researched and developed, provided by the inventor, contrast medicament 12.5% epoxiconazole suspension concentrate (commercial), 50% azoxystrobin water dispersible granule (commercial).
Investigation state of an illness radix, total number of sheets, the sick number of sheets and sick leaf-size class number before the medicine, in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease index respectively and calculates preventive effect in 7 days, 14 days after the dispenser for the second time.Experimental result is as follows:
Table 4 Fluoxastrobin, fluorine ring azoles and the composite rice sheath blight disease test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 4, can effectively prevent and treat rice sheath blight disease after Fluoxastrobin and fluorine ring azoles are composite and take place, control efficiency all is better than contrasting medicament, in this test scope of medication the target crop is had no adverse effects.
Implementation of an application example six: Fluoxastrobin and fluorine ring azoles and the composite control cucumber anthracnose test of pesticide effectiveness thereof
This experimental establishment is in area just outside a city gate town, Pucheng County, Shaanxi Province, and test medicine is researched and developed, provided by the inventor, contrast medicament 12.5% epoxiconazole suspension concentrate (commercial), 50% azoxystrobin water dispersible granule (commercial).
In the dispenser of cucumber anthracnose their early stage, dispenser in per 7 days once, altogether dispenser is 3 times, investigation disease index before the dispenser was investigated disease index respectively in 7 days, 15 days after the dispenser for the third time, and the calculation correction preventive effect, result of the test is as follows:
Table 5 Fluoxastrobin and fluorine ring azoles and the composite control cucumber anthracnose test of pesticide effectiveness thereof
As can be seen from Table 5, Fluoxastrobin, fluorine ring azoles energy effectively preventing cucumber anthracnose, control efficiency all is better than contrasting medicament, and dosage is little, in the test scope of medication target crop is not had harm.
Claims (4)
1. bactericidal composition that contains Fluoxastrobin and fluorine ring azoles is characterized in that the weight ratio of effective active composition Fluoxastrobin and fluorine ring azoles is 20: 1～5: 1 or 1: 1～1: 20 in the bactericidal composition.
2. the bactericidal composition that contains Fluoxastrobin and fluorine ring azoles according to claim 1, it is characterized in that: the content of effective active composition accounts for 1～85% of gross weight.
3. the bactericidal composition that contains Fluoxastrobin and fluorine ring azoles according to claim 2, it is characterized in that: the content of effective active composition accounts for 10～80% of gross weight.
4. the bactericidal composition that contains Fluoxastrobin and fluorine ring azoles according to claim 1 is used for the application of control crop powdery mildew, anthracnose, spot defoliation, rust and banded sclerotial blight.
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| CN102405912A (en) * | 2011-11-20 | 2012-04-11 | 广东中迅农科股份有限公司 | Synergistic sterilization composition containing epoxiconazole and azoxystrobin |
| BR102013027977A2 (en) | 2013-10-30 | 2015-09-15 | Rotam Agrochem Int Co Ltd | method of increasing yield by treatment with fungicidal compositions |
| CN111642503A (en) * | 2013-11-26 | 2020-09-11 | Upl 有限公司 | Method for controlling rust |
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| CN101427684A (en) * | 2007-11-08 | 2009-05-13 | 中国中化集团公司 | Fungicide composition containing chlorine nalidixic bacterium ester and triazole bactericides |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101427684A (en) * | 2007-11-08 | 2009-05-13 | 中国中化集团公司 | Fungicide composition containing chlorine nalidixic bacterium ester and triazole bactericides |
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Application publication date: 20110511 Assignee: Shaanxi Welch Crop Protection Co., Ltd. Assignor: Mi Huafeng Contract record no.: 2014610000090 Denomination of invention: Sterilization composition containing Azoxystrobin and Epoxiconazole Granted publication date: 20131009 License type: Exclusive License Record date: 20140516 |
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Effective date of registration: 20161222 Address after: 715500 Shaanxi Pucheng County agricultural base industrial park Patentee after: Shaanxi Meibang Pesticides Co., Ltd. Address before: 710075 Xi'an, Shaanxi science and technology road Jinqiao International Plaza, block C, room 1504 Patentee before: Mi Huafeng |
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Address after: 715500 Pucheng high tech Industrial Development Zone, Weinan, Shaanxi Patentee after: Shaanxi Mei Bang Pharmaceutical Group Limited by Share Ltd Address before: 715500 Industrial Park of Agrochemical Base in Pucheng County, Shaanxi Province Patentee before: Shaanxi Meibang Pesticide Co., Ltd. |
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