CN101773126A - Bactericidal composition containing azoxystrobin and penconazole - Google Patents
Bactericidal composition containing azoxystrobin and penconazole Download PDFInfo
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- CN101773126A CN101773126A CN201010003070A CN201010003070A CN101773126A CN 101773126 A CN101773126 A CN 101773126A CN 201010003070 A CN201010003070 A CN 201010003070A CN 201010003070 A CN201010003070 A CN 201010003070A CN 101773126 A CN101773126 A CN 101773126A
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- fluoxastrobin
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Abstract
The invention relates to a bactericide composition with a synergistic action. The effective and active components of the bactericide composition contain azoxystrobin and penconazole, wherein the weight ratio of the azoxystrobin to the penconazole is 5 to 80:50 to 1. An assistant and an excipient are added into the effective and active components, and wettable powder, water dispersible granules and a suspending agent are prepared. The bactericide composition is mainly used for preventing and treating the powdery mildew, the downy mildew, the anthracnose and the scab of vegetables and fruit trees.
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 penconazole.
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, promptly 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.
Penconazole (penconazole) molecular formula: C
13H
15C
L2N
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.
Penconazole belongs to three nitrogen heterocycles bactericide, is sterol demethylation inhibitor, destroys and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, causes cell membrane not form, and is germ death.Root, stem, leaf isoreactivity tissue by crop absorb, and can upwards conduct with body fluid in the plant body soon.
No matter be Fluoxastrobin, penconazole 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 penconazole mechanism of action, and mutually composite have good synergistic effect within the specific limits.And composite about Fluoxastrobin and penconazole 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 penconazole.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains Fluoxastrobin and penconazole, wherein Fluoxastrobin and penconazole weight ratio are 5～80: 50～1.
The described bactericidal composition that contains Fluoxastrobin and penconazole, wherein the weight ratio of Fluoxastrobin and penconazole is 10～70: 40～1.
The described bactericidal composition that contains Fluoxastrobin and penconazole, wherein the weight ratio of Fluoxastrobin and penconazole is 20～60: 30～1.
The described bactericidal composition that contains Fluoxastrobin and penconazole, wherein the effective active component content accounts for 1～90% of gross weight, is preferably 10～80%.
The described bactericidal composition that contains Fluoxastrobin and penconazole is made wetting powder, water dispersible granules or suspending agent.
When making wetting powder, composition comprises following constituent content: Fluoxastrobin 5～80%, penconazole 1～50%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
Fluoxastrobin, penconazole, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into Fluoxastrobin penconazole wetting powder product.
When making water dispersible granules, composition comprises following constituent content: Fluoxastrobin 5～80%, penconazole 1～50%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, filler 10～90%.
Fluoxastrobin, penconazole, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, obtain the materials of granulating.It is interior through after granulation and the drying to expect that product are quantitatively sent the fluidized bed granulation dryer to, makes Fluoxastrobin penconazole water dispersible granules product.
Comprise following constituent content when composition is made suspending agent: Fluoxastrobin 5～50%, penconazole 1～30%, dispersant 2～10%, wetting agent 2～10%, defoamer 0.1～1%, thickener 0.1～2%, emulsifier 0.5～3%, antifreeze 0.1～8%, deionized water add to 100%.
Dispersant, wetting agent, defoamer, thickener, emulsifier, antifreeze in the above-mentioned formulation material are mixed through high speed shear, add Fluoxastrobin, penconazole, ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes Fluoxastrobin penconazole suspending agent product.
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, ester polyoxyethylene.
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, 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: 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, polyvinyl alcohol, the polyethylene glycol.
Described emulsifier is selected from: farming breast 500
#(alkyl benzene calcium sulfonate), 600
#Phosphate (phenyl phenol polyoxy ethyl ether phosphate), 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
#In (phenethyl phenol polyoxy ethyl polypropylene-base ether), the ethylene oxide-propylene oxide block copolymer one or more.
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 powdery mildew, scab, the anthracnose of control vegetables and fruit tree.
Beneficial effect of the present invention: (1) present composition effective active composition Fluoxastrobin and penconazole 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 not with an organic solvent is not difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has special efficacy to powdery mildew, downy mildew, anthracnose, scab.
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 the implementation of Formulation Example
Embodiment 1 80% Fluoxastrobin penconazole wetting powder
Fluoxastrobin 60%, penconazole 20%, polycarboxylate 5%, lauryl sodium sulfate 3%, spaonin powder 2%, kaolin 10%, mixture carries out comminution by gas stream, makes 80% Fluoxastrobin penconazole wetting powder.
Embodiment 2 65% Fluoxastrobin penconazole wetting powders
Fluoxastrobin 35%, penconazole 30%, alkyl benzene sulfonate calcium salt 4%, wetting and penetrating agent F4%, white carbon 8%, bentonite 19%, mixture carries out comminution by gas stream, makes 65% Fluoxastrobin penconazole wetting powder.
Embodiment 3 55% Fluoxastrobin penconazole wetting powders
Fluoxastrobin 45%, penconazole 10%, alkyl benzene sulfonate calcium salt 5%, wetting and penetrating agent F3%, white carbon 8%, kaolin 29%, mixture carries out comminution by gas stream, makes 55% Fluoxastrobin penconazole wetting powder.
Embodiment 4 15% Fluoxastrobin penconazole wetting powders
Fluoxastrobin 10%, penconazole 5%, lignosulfonates 5%, tea are withered 3%, white carbon 8%, bentonite 36%, and mixture carries out comminution by gas stream, makes 15% Fluoxastrobin penconazole wetting powder.
Embodiment 5 80% Fluoxastrobin penconazole water dispersible granules
Fluoxastrobin 70%, penconazole 10%, polycarboxylate 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, ammonium sulfate 2%, starch 8%, the mixed 80% Fluoxastrobin penconazole water dispersible granules that gets.
Embodiment 6 70% Fluoxastrobin penconazole water dispersible granules
Fluoxastrobin 50%, penconazole 20%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 3%, starch 17%,, mixed 70% Fluoxastrobin penconazole water dispersible granules.
Embodiment 7 50% Fluoxastrobin penconazole water dispersible granules
Fluoxastrobin 38%, penconazole 12%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 3%, starch 37%,, mixed 50% Fluoxastrobin penconazole water dispersible granules.
Embodiment 8 40% Fluoxastrobin penconazole water dispersible granules
Fluoxastrobin 36%, penconazole 4%, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, starch 20%, diatomite 33%, mixed 40% Fluoxastrobin penconazole water dispersible granules.
Embodiment 9 43% Fluoxastrobin penconazole suspending agents
Fluoxastrobin 35%, penconazole 8%, alkyl benzene sulfonate calcium salt 4%, sodium lignin sulfonate 3%, DBSA 4%, silicone oil 0.1%, farming breast 1600
#2%, xanthan gum 0.3%, and deionized water adds to 100%, the mixed 43% Fluoxastrobin penconazole suspending agent that gets.
Embodiment 10 30% Fluoxastrobin penconazole suspending agents
Fluoxastrobin 24%, penconazole 6%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, farming breast 1600
#2%, ethylene glycol 2%, deionized water add to 100%, the mixed 30% Fluoxastrobin penconazole suspending agent that gets.
Embodiment 11 22% Fluoxastrobin penconazole suspending agents
Fluoxastrobin 20%, penconazole 2%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, farming breast 500
#1%, ethylene glycol 2%, deionized water add to 100%, the mixed 22% Fluoxastrobin penconazole suspending agent that gets.
Embodiment 12 10% Fluoxastrobin penconazole suspending agents
Fluoxastrobin 5%, penconazole 5%, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyethylene glycol 0.5%, farming breast 500
#1%, glycerine 4%, deionized water add to 100%, the mixed 10% Fluoxastrobin penconazole suspending agent that gets.
Implementation of an application example two: Fluoxastrobin and penconazole are composite to the apple mildew Toxicity Determination
Test medicine provides by Shaanxi means of agricultural production trade 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 apple mildew.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 Fluoxastrobin and penconazole shared ratio in combination
A is a Fluoxastrobin
B is a penconazole
Result of the test is as shown in table 1:
Table 1 Fluoxastrobin, penconazole and composite toxicity test analysis of results table thereof to apple mildew
As shown in Table 1, Fluoxastrobin, penconazole are to the EC of powdery mildew of cucumber
50Be respectively 30.73mg/L and 0.21mg/L.The virulence of Fluoxastrobin is lower than the virulence of penconazole.1: 1,3: 1,5: 1,7: 1,10: 1 synergy ratio of Fluoxastrobin and penconazole proportioning is respectively 1.67,1.87,2.18,1.80,1.57, illustrating that Fluoxastrobin and penconazole were mixed in the scope at 1: 1 to 10: 1 all shows obvious synergistic effect, synergy ratio SR maximum when Fluoxastrobin and penconazole weight ratio are 5: 1 wherein, synergistic effect is the most obvious.
Embodiment uses three Fluoxastrobins and the penconazole and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is at the Xian City, Shanxi Province Changan District, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 50% azoxystrobin water dispersible granule (commercial), 10% penconazole missible oil (commercial).
The preceding investigation of medicine powdery mildew of cucumber disease index, in the their early stage dispenser, dispenser for the second time after 10 days, dispenser is 2 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, penconazole and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | The preparation dosage | 7 days preventive effects (%) behind the medicine for the second time | 15 days preventive effects (%) behind the medicine for the second time |
| 80% Fluoxastrobin penconazole wetting powder | 5 gram/mus | ??88.35 | ??95.12 |
| 70% Fluoxastrobin penconazole water dispersible granules | 6 gram/mus | ??89.64 | ??95.62 |
| 43% Fluoxastrobin penconazole suspending agent | 15 gram/mus | ??92.76 | ??96.32 |
| 50% azoxystrobin water dispersible granule | 25 gram/mus | ??74.13 | ??80.14 |
| 10% penconazole missible oil | 15 gram/mus | ??73.51 | ??79.12 |
As can be seen from Table 2, can effectively prevent and treat powdery mildew of cucumber after Fluoxastrobin and penconazole are composite, control efficiency all is better than contrasting medicament, and the lasting period is long.In the test scope of medication target crop is had no adverse effects, and cucumber anthracnose is had preventive effect preferably, preventive effect reaches more than 90%.
Implementation of an application example four Fluoxastrobins, penconazole and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is at Luochuan, Shaanxi Province suburban area, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 50% azoxystrobin water dispersible granule (commercial), 10% penconazole missible oil (commercial).
Investigation apple mildew 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, dispenser is 3 times altogether, investigates disease index respectively and calculates preventive effect in 7 days, 14 days, 30 days after the dispenser for the third time.Experimental result is as follows:
Table 3 Fluoxastrobin, penconazole and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
| 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 |
| 65% Fluoxastrobin penconazole wetting powder | 9000 times | ??88.68 | ??94.12 | ??93.24 |
| 50% Fluoxastrobin penconazole water dispersible granules | 4000 times | ??86.89 | ??93.74 | ??93.49 |
| 30% Fluoxastrobin penconazole suspending agent | 3500 times | ??87.47 | ??93.24 | ??92.14 |
| 50% azoxystrobin water dispersible granule | 1800 times | ??74.39 | ??80.65 | ??79.38 |
| 10% penconazole missible oil | 2500 times | ??75.27 | ??80.42 | ??78.42 |
As can be seen from Table 3, can effectively prevent and treat apple mildew after Fluoxastrobin and penconazole 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, and apple fallen leaves spot disease had preventive effect preferably, preventive effect reaches more than 90%.
Implementation of an application example five Fluoxastrobins and penconazole and the composite pear scab test of pesticide effectiveness of preventing and treating 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 Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 50% azoxystrobin water dispersible granule (commercial), 10% penconazole missible oil (commercial).
In the dispenser of pear scab their early stage, dispenser in per 7 days once is total to dispenser 3 times, and the investigation disease index was investigated disease index respectively in 7 days, 15 days, 30 days after the 3rd dispenser before the dispenser, and the calculation correction preventive effect, and result of the test is as follows:
Table 4 Fluoxastrobin and penconazole and the composite pear scab test of pesticide effectiveness of preventing and treating 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 |
| 55% Fluoxastrobin penconazole wetting powder | 5500 times | ??91.85 | ??96.04 | ??95.17 |
| 40% Fluoxastrobin penconazole water dispersible granules | 2800 times | ??91.45 | ??95.64 | ??93.49 |
| 10% Fluoxastrobin penconazole suspending agent | 2000 times | ??90.82 | ??94.21 | ??93.24 |
| 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 |
| 50% azoxystrobin water dispersible granule | 1800 times | ??70.34 | ??75.13 | ??79.38 |
| 10% penconazole missible oil | 2500 times | ??73.75 | ??79.06 | ??79.42 |
As can be seen from Table 4, Fluoxastrobin, penconazole energy effectively preventing pear scab, control efficiency all is better than contrasting medicament, and dosage is little, in the test scope of medication target crop is not had harm.
Embodiment uses six Fluoxastrobins and the penconazole and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This experimental establishment is at the Xian City, Shanxi Province Changan District, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 50% azoxystrobin water dispersible granule (commercial), 10% penconazole missible oil (commercial).
The preceding investigation of medicine cucumber downy mildew disease index, in the their early stage dispenser, dispenser for the second time after 10 days, dispenser is 2 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 5 Fluoxastrobin, penconazole and the composite control cucumber downy mildew test of pesticide effectiveness thereof
| Handle medicament | The preparation dosage | 7 days preventive effects (%) behind the medicine for the second time | 15 days preventive effects (%) behind the medicine for the second time |
| 15% Fluoxastrobin penconazole wetting powder | 30 gram/mus | ??89.35 | ??94.12 |
| 80% Fluoxastrobin penconazole water dispersible granules | 5 gram/mus | ??90.58 | ??95.62 |
| 22% Fluoxastrobin penconazole suspending agent | 30 gram/mus | ??90.96 | ??96.04 |
| 50% azoxystrobin water dispersible granule | 20 gram/mus | ??66.13 | ??75.47 |
| 10% penconazole missible oil | 10 gram/mus | ??74.28 | ??81.12 |
As can be seen from Table 5, can effectively prevent and treat cucumber downy mildew after Fluoxastrobin and penconazole 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.
Claims (7)
1. bactericidal composition that contains Fluoxastrobin and penconazole, the weight ratio that it is characterized in that microbicide compositions effective active composition Fluoxastrobin and penconazole is 5～80: 50～1.
2. the bactericidal composition that contains Fluoxastrobin and penconazole according to claim 1 is characterized in that: wherein the weight ratio of Fluoxastrobin and penconazole is 10～70: 40～1.
3. the bactericidal composition that contains Fluoxastrobin and penconazole according to claim 2 is characterized in that: wherein the weight ratio of Fluoxastrobin and penconazole is 20～60: 30～1.
4. the bactericidal composition that contains Fluoxastrobin and penconazole according to claim 1 is characterized in that: wherein the effective active component content accounts for 1～90% of gross weight.
5. the bactericidal composition that contains Fluoxastrobin and penconazole according to claim 4 is characterized in that: wherein the effective active component content accounts for 10～80% of gross weight.
6. the bactericidal composition that contains Fluoxastrobin and penconazole according to claim 1 is characterized in that: microbicide compositions is made wetting powder, water dispersible granules or suspending agent.
7. the bactericidal composition that contains Fluoxastrobin and penconazole according to claim 1 is used to prevent and treat powdery mildew, downy mildew, anthracnose, scab.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101946775A (en) * | 2010-09-03 | 2011-01-19 | 江苏七洲绿色化工股份有限公司 | Sterilization compound containing triazole fungicide and azoxystrobin |
-
2010
- 2010-01-05 CN CN201010003070A patent/CN101773126A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101946775A (en) * | 2010-09-03 | 2011-01-19 | 江苏七洲绿色化工股份有限公司 | Sterilization compound containing triazole fungicide and azoxystrobin |
| CN101946775B (en) * | 2010-09-03 | 2013-01-16 | 江苏七洲绿色化工股份有限公司 | Sterilization compound containing triazole fungicide and azoxystrobin |
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Application publication date: 20100714 |