CN101889573B - Sterilizing composite with imazaril and azoxystrobin - Google Patents
Sterilizing composite with imazaril and azoxystrobin Download PDFInfo
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- CN101889573B CN101889573B CN 201010115903 CN201010115903A CN101889573B CN 101889573 B CN101889573 B CN 101889573B CN 201010115903 CN201010115903 CN 201010115903 CN 201010115903 A CN201010115903 A CN 201010115903A CN 101889573 B CN101889573 B CN 101889573B
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- imazalil
- fluoxastrobin
- azoxystrobin
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Abstract
The invention relates to a sterilizing composite with synergy, the effective active ingredient of which contains imazaril and azoxystrobin in the weight ratio of 1-80:80-1. Accessory ingredient and excipients are added into the effective active ingredient to prepare into wettable powders, water dispersible granules, suspending agents, emulsion in water and microemulsion which are mainly used for preventing and treating powdery mildew, anthracnose, ring spot and leaf spot for 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 imazalil and Fluoxastrobin.
Background technology
Imazalil (imazalil) is triazole bactericidal agent.Molecular formula is C
14H
14Cl
2N
2O, chemical name: 1-{2-(2,4-dichlorophenyl)-2-(2-propenyloxy group) ethyl }-the 1H-imidazoles.
Imazalil is a kind of interior absorption wide-spectrum bactericide, and the mechanism of action is to affect cell permeability of the membrane, physiological function and lipid anabolism, thereby destroys the cell membrane of mould, the simultaneously formation of mould fungus inhibition spore.Be typically used as seed treatment, or oranges and tangerines volume, banana and other fruit sprayed or flood be used to the fruit after preventing from gathering in the crops rot.But found in the last few years that imazalil was excellent to the control efficiency of powdery mildew and anthracnose on melon and fruit, the vegetables.
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-yl 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.
No matter be imazalil, Fluoxastrobin or other efficient germicides, long-term separately use easily makes disease develop immunity to drugs, and 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 significantly filled a prescription, and can obviously improve preventive effect, greatly reduces the dosage of agricultural chemicals, also can enlarge fungicidal spectrum, improves germicidal efficiency.Imazalil is different from the Fluoxastrobin mechanism of action, and mutually composite have good synergistic effect within the specific limits.And composite about imazalil and Fluoxastrobin there is not yet relevant report at present at home and abroad.
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 imazalil and Fluoxastrobin.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains imazalil and Fluoxastrobin, wherein imazalil and Fluoxastrobin percentage by weight are 80 ~ 1 ︰ 1 ~ 80.
The described bactericidal composition that contains imazalil and Fluoxastrobin, wherein the percentage by weight of imazalil and Fluoxastrobin is 65 ~ 5 ︰ 5 ~ 65.
The described bactericidal composition that contains imazalil and Fluoxastrobin, wherein the percentage by weight of imazalil and Fluoxastrobin is 50 ~ 5 ︰ 5 ~ 50.
The described bactericidal composition that contains imazalil and Fluoxastrobin, wherein the percentage by weight of imazalil and Fluoxastrobin is 40 ~ 8 ︰ 8 ~ 40.
The described bactericidal composition that contains imazalil and Fluoxastrobin is made wetting powder, water dispersible granules, aqueous emulsion, microemulsion or suspending agent.
When making wetting powder, composition comprises following constituent content: imazalil 1 ~ 80%, Fluoxastrobin 1 ~ 80%, dispersant 5 ~ 10%, wetting agent 2 ~ 10%, filler 8 ~ 90%.
Imazalil, Fluoxastrobin, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, namely can be made into imazalil Fluoxastrobin wetting powder product.
When making water dispersible granules, composition comprises following constituent content: imazalil 1 ~ 80%, Fluoxastrobin 1 ~ 80%, dispersant 3 ~ 12%, wetting agent 1 ~ 8%, disintegrant 1 ~ 10%, binding agent 1 ~ 8%, filler 10 ~ 90%.
Imazalil, Fluoxastrobin, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter of needs through air-flow crushing, add again other auxiliary agents such as binding agent, obtain the materials of granulating.With item quantitatively send in the fluidized bed granulation dryer through granulation and drying after, make imazalil azoxystrobin water dispersible granule product.
Comprise following constituent content when composition is made suspending agent: imazalil 1 ~ 50%, Fluoxastrobin 1 ~ 50%, 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 imazalil, Fluoxastrobin, ball milling is 2 ~ 3 hours in ball mill, makes diameter of particle all below 5 μ m, makes imazalil Fluoxastrobin suspending agent product.
Comprise following constituent content when composition is made aqueous emulsion: imazalil 1 ~ 50%, Fluoxastrobin 1 ~ 50%, 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 to 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 imazalil azoxystrobin water emulsion product.
Comprise following constituent content when composition is made microemulsion: imazalil 1 ~ 50%, Fluoxastrobin 1 ~ 50%, 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.
The former medicine of imazalil and the former medicine of Fluoxastrobin are dissolved in the homogenizer that solvent and cosolvent are housed; Strongly mix after joining emulsifier, stabilizing agent and antifreeze, water in the homogenizer that mentioned solution is housed and homogenize, obtain at last the as clear as crystal imazalil Fluoxastrobin microemulsion product of outward appearance.
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 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 stabilizing agent is selected from one or more in sodium sorbate, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, the polyethylene glycol diglycidyl ether;
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 binding agent is selected from: one or more in gum Arabic, white dextrin, methylcellulose, PAA, polyvinylpyrrolidone, crospolyvinylpyrrolidone, polyethylene glycol, the polyvinyl alcohol.
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 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 preventing and treating powdery mildew, anthracnose, ring spot, the gray mold of vegetables and cereal crop.
Beneficial effect of the present invention: (1) present composition effective active composition imazalil and Fluoxastrobin belong to the bactericide of two kinds of different mechanisms of action, and both mutually are mixed and can produce conflict; (2) present composition has good synergistic effect within the specific limits, and preventive effect is higher than single dose, 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, ring spot, the gray mold of vegetables and fruit tree.
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.First 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 oneThe implementation of Formulation Example
Embodiment 180% imazalil Fluoxastrobin wetting powder
Imazalil 65%, Fluoxastrobin 15%, polycarboxylate 5%, neopelex 3%, spaonin powder 2%, kaolin 10%, mixture carries out air-flow crushing, makes 80% imazalil Fluoxastrobin wetting powder.
Embodiment 265% imazalil Fluoxastrobin wetting powder
Imazalil 30%, Fluoxastrobin 35%, lignosulfonates 4%, tea are withered 4%, white carbon 8%, kaolin 19%, and mixture carries out air-flow crushing, makes 65% imazalil Fluoxastrobin wetting powder.
Embodiment 355% imazalil Fluoxastrobin wetting powder
Imazalil 5%, Fluoxastrobin 50%, lignosulfonates 5%, wetting and penetrating agent F 3%, white carbon 7%, bentonite 30%, mixture carries out air-flow crushing, makes 55% imazalil Fluoxastrobin wetting powder.
Embodiment 475% imazalil azoxystrobin water dispersible granule
Imazalil 10%, Fluoxastrobin 65%, alkylphenol-polyethenoxy are phonetic 3%, lignosulfonates 3 %, lauryl sodium sulfate 4%, bentonite 2%, starch 13%, mix making 75% imazalil azoxystrobin water dispersible granule.
Embodiment 555% imazalil azoxystrobin water dispersible granule
Imazalil 50%, Fluoxastrobin 5%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 3%, starch 17%, kaolin 15% mix making 55% imazalil azoxystrobin water dispersible granule.
Embodiment 640% imazalil azoxystrobin water dispersible granule
Imazalil 35%, Fluoxastrobin 5%, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, starch 20%, diatomite 33%, mix making 40% imazalil azoxystrobin water dispersible granule.
Embodiment 748% imazalil Fluoxastrobin suspending agent
Imazalil 40%, Fluoxastrobin 8%, polycarboxylate 4%, sodium lignin sulfonate 3%, DBSA 4%, silicone oil 0.1%, polyvinyl alcohol 0.3%, deionized water adds to 100%, mixes to make 48% imazalil Fluoxastrobin suspending agent.
Embodiment 830% imazalil Fluoxastrobin suspending agent
Imazalil 20%, Fluoxastrobin 10%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, ethylene glycol 2%, deionized water add to 100%, mix to make 30% imazalil Fluoxastrobin suspending agent.
Embodiment 911% imazalil Fluoxastrobin suspending agent
Imazalil 1%, Fluoxastrobin 10%, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water add to 100%, mix to make 11% imazalil Fluoxastrobin suspending agent.
Embodiment 1045% imazalil azoxystrobin water emulsion
Imazalil 5%, Fluoxastrobin 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%, mixes 45% imazalil azoxystrobin water emulsion of system.
Embodiment 1135% imazalil azoxystrobin water emulsion
Imazalil 13%, Fluoxastrobin 22%, dimethylbenzene 15%, isobutanol 5%, castor oil polyoxyethylene ether 5%, polyvinyl alcohol 1%, ammonium sulfate 4%, lauric acid 0.5%, deionized water adds to 100%, mixes 35% imazalil azoxystrobin water emulsion of system.
Embodiment 1220% imazalil azoxystrobin water emulsion
Imazalil 10%, Fluoxastrobin 10%, cyclohexanone 15%, OP-10 phosphate 5%, butanols 5%, polyvinyl alcohol 1%, glycerine 3%, silicone defoaming agent 0.5%, deionized water adds to 100%, mixes 20% imazalil azoxystrobin water emulsion of system.
Embodiment 1336% imazalil Fluoxastrobin microemulsion
Imazalil 6%, Fluoxastrobin 30%, cyclohexanone 15%, agricultural newborn 600# 10%, isobutanol 5%, xanthans 2%, sodium sorbate 2%, silicone defoaming agent 0.5%, deionized water adds to 100%, mixes 36% imazalil Fluoxastrobin microemulsion of system.
Embodiment 1424% imazalil Fluoxastrobin microemulsion
Imazalil 6%, Fluoxastrobin 18%, cyclohexanone 15%, Nongru-700 # 8%, butanols 5%, hydroxyethylcellulose 2%, sodium sorbate 2%, silicone defoaming agent 0.5%, deionized water adds to 100%, mixes 24% imazalil Fluoxastrobin microemulsion of system.
Embodiment 1516% imazalil Fluoxastrobin microemulsion
Imazalil 8%, Fluoxastrobin 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%, mixes 16% imazalil Fluoxastrobin microemulsion of system.
Implementation of an application example two: imazalil and azoxystrobin compound are to the powdery mildew of cucumber Toxicity Determination
Test medicine provides by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation.
After each medicament establishment concentration range was determined in prerun, each medicament was established respectively 5 dosage by active constituent content and is processed, and established the clear water contrast.Carry out with reference to " farm-chemical indoor determination 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 process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Control group net growth-processed group net growth
Mycelial growth inhibition rate (%)=---------------* 100
The control group net growth
Mycelial growth inhibition rate is converted into probit value (y), liquor strength (
Mg/L) convert logarithm value (x) to, try to achieve virulence regression equation (y=a+bx) with method of least squares, and calculate thus the EC of every kind of medicament
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:
EC
50(theoretical value)
SR=————————
EC
50(observed value)
a + b
EC
50(theoretical value)=------------
a b
———— + ————
The EC of A
50The EC of B
50
Wherein: a, b are respectively imazalil and Fluoxastrobin shared ratio in combination
A is imazalil
B is Fluoxastrobin
Result of the test is as shown in table 1:
As shown in Table 1, imazalil, Fluoxastrobin are to the EC of powdery mildew of cucumber
50Be respectively 1.54mg/L and 1.61mg/L.The virulence of imazalil is lower than the virulence of Fluoxastrobin.The synergy ratio of imazalil and Fluoxastrobin proportioning 10 ︰ 1,5 ︰ 1,1 ︰ 1,1 ︰ 5,1 ︰ 10 is respectively 1.76,2.15,2.64,1.95,1.70, illustrating that imazalil and Fluoxastrobin are mixed in 10 ︰, 1 to 1 ︰, 10 scopes all shows obvious synergistic effect, wherein synergy ratio SR is maximum when imazalil and Fluoxastrobin weight ratio are 1 ︰ 1, and synergistic effect is the most obvious.
Embodiment uses threeImazalil and Fluoxastrobin and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in suburb, Dali 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 22.2% Imazalil EC (commercial), 25% Fluoxastrobin suspending agent (commercial).
Investigation powdery mildew of cucumber disease index before the medicine, in the their early stage dispenser, dispenser in per 7 days once is total to dispenser 2 times, investigates disease indexs in 7 days, 15 days after for the second time dispenser and calculates preventive effect.Experimental result is as follows:
Table 2 imazalil, Fluoxastrobin and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
| Treatment agent | Extension rate | 7 days preventive effects (%) behind the medicine for the second time | 15 days preventive effects (%) behind the medicine for the second time |
| 80% imazalil Fluoxastrobin wetting powder | 8000 times | 89.31 | 95.52 |
| 55% imazalil azoxystrobin water dispersible granule | 6000 times | 88.91 | 94.02 |
| 30% imazalil Fluoxastrobin suspending agent | 3000 times | 91.96 | 96.13 |
| 45% imazalil azoxystrobin water emulsion | 4000 times | 89.25 | 95.13 |
| 16% imazalil Fluoxastrobin microemulsion | 2500 times | 87.33 | 94.82 |
| 22.2% Imazalil EC | 1500 times | 72.32 | 75.81 |
| 25% Fluoxastrobin suspending agent | 1800 times | 75.37 | 81.46 |
As can be seen from Table 2, can effectively prevent and treat powdery mildew of cucumber behind imazalil and the azoxystrobin compound, 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 cucumber anthracnose is had preferably preventive effect.
Implementation of an application example fourImazalil, Fluoxastrobin and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is at the Xian City, Shanxi Province Baqiao District, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 22.2% Imazalil EC (commercial), 25% Fluoxastrobin suspending agent (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 respectively disease index 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 imazalil, Fluoxastrobin and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
| Treatment agent | The preparation dosage | 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% imazalil Fluoxastrobin wetting powder | 10 g/acres | 85.21 | 93.54 | 92.72 |
| 40% imazalil azoxystrobin water dispersible granule | 14 g/acres | 86.24 | 94.28 | 93.64 |
| 48% imazalil Fluoxastrobin suspending agent | 12 g/acres | 85.72 | 92.67 | 90.24 |
| 35% imazalil azoxystrobin water emulsion | 18 g/acres | 86.55 | 94.92 | 90.82 |
| 24% imazalil Fluoxastrobin microemulsion | 22 g/acres | 85.75 | 92.85 | 90.61 |
| 22.2% Imazalil EC | 12 g/acres | 70.12 | 76.85 | 72.38 |
| 25% Fluoxastrobin suspending agent | 10 g/acres | 74.27 | 81.46 | 73.41 |
As can be seen from Table 3, can effectively prevent and treat apple mildew behind imazalil and the azoxystrobin compound and occur, control efficiency all is better than contrasting medicament, in this test scope of medication the target crop is had no adverse effects, and ring rot of apple had good preventive effect, preventive effect all reaches more than 90%.
Implementation of an application example fiveImazalil and Fluoxastrobin and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in the Fuping 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 22.2% Imazalil EC (commercial), 25% Fluoxastrobin suspending agent (commercial).
In the dispenser of sigatoka their early stage, dispenser in per 7 days once is total to dispenser 3 times, and the investigation disease index was investigated respectively disease index in 10 days, 20 days after the 3rd dispenser before the dispenser, and the calculation correction preventive effect, and result of the test is as follows:
Table 4 imazalil and Fluoxastrobin and the composite sigatoka test of pesticide effectiveness of preventing and treating thereof
| Treatment agent | Extension rate | 10 days preventive effects (%) behind the medicine for the third time | 20 days preventive effects (%) behind the medicine for the third time |
| 55% imazalil Fluoxastrobin wetting powder | 6500 times | 92.38 | 95.36 |
| 75% imazalil azoxystrobin water dispersible granule | 8000 times | 93.28 | 95.67 |
| 11% imazalil Fluoxastrobin suspending agent | 1000 times | 89.52 | 93.51 |
| 20% imazalil azoxystrobin water emulsion | 2500 times | 90.84 | 94.74 |
| 36% imazalil Fluoxastrobin microemulsion | 4000 times | 93.85 | 95.92 |
| 22.2% Imazalil EC | 1000 times | 72.55 | 77.46 |
| 25% Fluoxastrobin suspending agent | 1500 times | 74.32 | 80.98 |
As can be seen from Table 4, imazalil, Fluoxastrobin can the effectively preventing sigatokas, and control efficiency all is better than contrasting medicament, and dosage is little, in the test scope of medication to the target crop without harm.
Claims (1)
1. bactericidal composition that contains imazalil and Fluoxastrobin, the weight ratio that it is characterized in that bactericidal composition effective active composition imazalil and Fluoxastrobin is 10:1 ~ 1:10.
2. the bactericidal composition that contains imazalil and Fluoxastrobin according to claim 1, it is characterized in that: bactericidal composition is made wetting powder, water dispersible granules, suspending agent, aqueous emulsion and microemulsion.
3. the bactericidal composition of imazalil and Fluoxastrobin that contains according to claim 1 is for the purposes of the powdery mildew of preventing and treating vegetables and fruit tree, anthracnose, ring spot, leaf spot.
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|---|---|---|---|---|
| EP1150566A1 (en) * | 1999-02-12 | 2001-11-07 | Aventis Cropscience S.A. | Fungicide compositions for protecting fruits |
| CN1455641A (en) * | 2000-09-12 | 2003-11-12 | 辛根塔参与股份公司 | Fungicidal compositions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1150566A1 (en) * | 1999-02-12 | 2001-11-07 | Aventis Cropscience S.A. | Fungicide compositions for protecting fruits |
| CN1455641A (en) * | 2000-09-12 | 2003-11-12 | 辛根塔参与股份公司 | Fungicidal compositions |
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