CN101836639B - Sterilization composition containing kresoxim and thiabendazole - Google Patents
Sterilization composition containing kresoxim and thiabendazole Download PDFInfo
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- CN101836639B CN101836639B CN 201010301165 CN201010301165A CN101836639B CN 101836639 B CN101836639 B CN 101836639B CN 201010301165 CN201010301165 CN 201010301165 CN 201010301165 A CN201010301165 A CN 201010301165A CN 101836639 B CN101836639 B CN 101836639B
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- kresoxim
- probenazole
- methyl
- thiabendazole
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Abstract
The invention relates to a sterilization composition containing kresoxim and thiabendazole with synergistic effects, which is characterized in that the effective active ingredient comprises kresoxim and thiabendazole, wherein the weight ratio of the kresoxim to the thiabendazole is 1-60:1-80, and the effective active ingredient is added with additives and excipients to be made into wettable powder, water dispersible granules and suspending agent. The invention is mainly used for controlling powdery mildew, downy mildew, anthracnose and scab of vegetables and fruit trees.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of bactericidal composition that contains kresoxim-methyl and probenazole.
Technical background
Kresoxim-methyl (kresoxim-methyl) is the methoxy acrylic new type bactericide of BASF Aktiengesellschaft.Molecular formula: C
18H
19NO
4, chemical name: methyl (E)-2-methoxyimino-2-[2-(O-toloxyl) phenyl] and acetate.
Kresoxim-methyl belongs to the cell mitochondrial respiration inhibitor, by at cytochrome b and C
1Between electronics shift to suppress mitochondrial respiratory, the interference cell energy supply makes the pathogen cell death.Tool is protected, treats, is rooted out, infiltration, systemic activity, and fungicidal spectrum is wide, and the plurality of plant diseases that sac fungi, flagellum mattress and imperfect fungus are caused has control efficiency preferably.
Probenazole (thiabendazole) belongs to benzimidazole, and molecular formula is C
10H
7N
3S, chemical name: α-(4-thiazolyl)-1H-benzimidazole.
Probenazole belongs to benzimidazole, and mechanism of action is the mitochondrial respiration of Antifungi and cell proliferation.Have interior suction conduction, root is executed Shi Nengxiang top conduction, but can not conduct to base.Antibacterial activity is limited to sac fungi, basidiomycetes, imperfect fungus, and to oomycetes and zygomycete non-activity.
No matter be kresoxim-methyl, probenazole or other efficient germicides, long-term use separately 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 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.Kresoxim-methyl is different from the probenazole mechanism of action, and mutually composite have good synergistic effect within the specific limits.And composite about kresoxim-methyl and probenazole 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 kresoxim-methyl and probenazole.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains kresoxim-methyl and probenazole, wherein kresoxim-methyl and probenazole weight ratio are 1～60: 1～80.
The described bactericidal composition that contains kresoxim-methyl and probenazole, wherein the weight ratio of kresoxim-methyl and probenazole is 5～50: 10～70.
The described bactericidal composition that contains kresoxim-methyl and probenazole, wherein the weight ratio of kresoxim-methyl and probenazole is 1～40: 20～60.
The described bactericidal composition that contains kresoxim-methyl and probenazole is made the effective active composition and is added auxiliary agent and excipient wetting powder, water dispersible granules or suspending agent.
Described auxiliary agent and excipient are selected from: one or more in dispersant, wetting agent, emulsifier, disintegrant, thickener, antifreeze, defoamer, filler, deionized water.
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, one or more in phonetic 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, soapberry powder.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol.
Described defoamer is selected from: silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10One or more in the aliphatic alcohols compound.
Described thickener is selected from: one or more in xanthan gum, polyvinyl alcohol, polyethylene glycol.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate.
Composition of the present invention is mainly used in preventing and treating powdery mildew, downy mildew, anthracnose, the scab of vegetables and fruit tree.
Beneficial effect of the present invention: (1) present composition effective active composition kresoxim-methyl and probenazole 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 not with an organic solvent, is difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has special efficacy to powdery mildew, downy mildew, anthracnose, the scab of vegetables and fruit tree.
Embodiment
To further instruction of the present invention, the percentage in embodiment all is weight percentage below in conjunction with embodiment, but the present invention is not limited thereto.
The embodiment of the present 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% kresoxim-methyl probenazole wetting powder
Kresoxim-methyl 20%, probenazole 60%, lignosulfonates 5%, soapberry powder 3%, spaonin powder 2%, kaolin 10%, mixture carries out air-flow crushing, makes 80% kresoxim-methyl probenazole wetting powder.
Embodiment 2 65% kresoxim-methyl probenazole wetting powders
Kresoxim-methyl 15%, probenazole 50%, lignosulfonates 4%, lauryl sodium sulfate 4%, white carbon 7%, kaolin 20%, mixture carries out air-flow crushing, makes 65% kresoxim-methyl probenazole wetting powder.
Embodiment 3 60% kresoxim-methyl probenazole wetting powders
Kresoxim-methyl 30%, probenazole 30%, alkyl benzene sulfonate calcium salt 4%, wetting and penetrating agent F 3%, white carbon 8%, bentonite 25%, mixture carries out air-flow crushing, makes 60% kresoxim-methyl probenazole wetting powder.
Embodiment 4 45% kresoxim-methyl probenazole wetting powders
Kresoxim-methyl 5%, probenazole 40%, alkylaryl APEO 3%, sldium lauryl sulfate 2%, white carbon 5%, diatomite 45%, mixture carries out air-flow crushing, makes 45% kresoxim-methyl probenazole wetting powder.
Embodiment 5 80% kresoxim-methyl probenazole water dispersible granules
Kresoxim-methyl 30%, probenazole 50%, tea are withered 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, ammonium sulfate 2%, starch 8%, mix making 80% kresoxim-methyl probenazole water dispersible granules.
Embodiment 6 60% kresoxim-methyl probenazole water dispersible granules
Kresoxim-methyl 40%, probenazole 20%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 3%, polyoxyethylene carboxylate 3%, soapberry powder 4%, sodium bicarbonate 4%, starch 26% mix making 60% kresoxim-methyl probenazole water dispersible granules.
Embodiment 7 45% kresoxim-methyl probenazole water dispersible granules
Kresoxim-methyl 18%, probenazole 27%, alkyl benzene sulfonate calcium salt 5%, Nekal BX 4%, citric acid 1%, bentonite 45% mix making 45% kresoxim-methyl probenazole water dispersible granules.
Embodiment 8 35% kresoxim-methyl probenazole water dispersible granules
Kresoxim-methyl 25%, probenazole 10%, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, calcium chloride 1%, starch 20%, diatomite 37%, mix making 35% kresoxim-methyl probenazole water dispersible granules.
Embodiment 9 48% kresoxim-methyl probenazole suspending agents
Kresoxim-methyl 13%, probenazole 35%, alkyl benzene sulfonate calcium salt 5%, Sodium Polyacrylate 2%, DBSA 4%, silicone oil 0.1%, xanthan gum 0.3%, deionized water adds to 100%, mixes to make 48% kresoxim-methyl probenazole suspending agent.
Embodiment 10 40% kresoxim-methyl probenazole suspending agents
Kresoxim-methyl 12%, probenazole 28%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, ethylene glycol 2%, deionized water add to 100%, mix to make 40% kresoxim-methyl probenazole suspending agent.
Embodiment 11 30% kresoxim-methyl probenazole suspending agents
Kresoxim-methyl 20%, probenazole 10%, polyoxyethylene carboxylate 4%, spaonin powder 5%, silicone compound 0.1%, polyvinyl alcohol 0.4%, propane diols 2%, deionized water add to 100%, mix to make 30% kresoxim-methyl probenazole suspending agent.
Embodiment 12 25% kresoxim-methyl probenazole suspending agents
Kresoxim-methyl 10%, probenazole 15%, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water add to 100%, mix to make 25% kresoxim-methyl probenazole suspending agent.
Implementation of an application example two: kresoxim-methyl and probenazole are composite 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 the effective inhibition concentration scope of each medicament 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 after 72h, calculate and respectively process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (mg/L) converts logarithm value (x) to, tries to achieve virulence regression equation (y=a+bx) with method of least squares, and calculates 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:
Wherein: a, b are respectively kresoxim-methyl and probenazole shared ratio in combination
A is kresoxim-methyl
B is probenazole
Result of the test is as shown in table 1:
Table 1 kresoxim-methyl, probenazole and composite toxicity test analysis of results table to powdery mildew of cucumber thereof
| Reagent agent | Proportioning | Regression equation (y=a+bx) | EC 50(mg/L) observed value | EC 50(mg/L) theoretical value | Synergy ratio (SR) |
| Kresoxim-methyl | y＝3.8856+0.7938x | 0.83 | |||
| Probenazole | y＝1.7251+1.6582x | 4.67 | |||
| Kresoxim-methyl: probenazole | 2∶1 | y＝3.7355+1.5565x | 0.72 | 1.14 | 1.59 |
| Kresoxim-methyl: probenazole | 1∶1 | y＝3.3157+1.4756x | 0.80 | 1.41 | 1.76 |
| Kresoxim-methyl: probenazole | 1∶2 | y＝2.9835+1.2838x | 0.86 | 1.84 | 2.14 |
| Kresoxim-methyl: probenazole | 1∶4 | y＝2.5243+1.1211x | 1.32 | 2.43 | 1.84 |
| Kresoxim-methyl: probenazole | 1∶8 | y＝2.2367+0.9537x | 1.92 | 3.08 | 1.61 |
As shown in Table 1, kresoxim-methyl, the probenazole EC to powdery mildew of cucumber
50Be respectively 0.83mg/L and 4.67mg/L.The virulence of kresoxim-methyl is higher than the virulence of probenazole.Kresoxim-methyl and the probenazole proportioning synergy ratio of 2: 1,1: 1,1: 2,1: 4,1: 8 is respectively 1.59,1.76,2.14,1.84,1.61, illustrating that kresoxim-methyl and probenazole were mixed in scope at 2: 1～1: 8 all shows obvious synergistic effect, wherein synergy ratio SR is maximum when kresoxim-methyl and probenazole weight ratio are 1: 2, and synergistic effect is the most obvious.
Embodiment uses three kresoxim-methyls and probenazole and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in Luochuan County suburb, 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 40% probenazole wetting powder (commercial), 50% water dispersion granules agent of Kresoxim (commercial).
The investigation apple mildew state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 3 times.Investigated respectively the apple mildew disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the third time.Experimental result is as follows:
Table 2 kresoxim-methyl, probenazole and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
| Treatment agent | Extension rate | 7 days preventive effects (%) after the last medicine | 14 days preventive effects (%) after the last medicine | 30 days preventive effects (%) after the last medicine |
| 80% kresoxim-methyl probenazole wetting powder | 4000 times | 88.97 | 94.21 | 94.68 |
| 60% kresoxim-methyl probenazole water dispersible granules | 3000 times | 89.76 | 95.26 | 94.95 |
| 25% kresoxim-methyl probenazole suspending agent | 2000 times | 88.48 | 93.54 | 94.18 |
| 40% probenazole wetting powder | 2000 times | 60.13 | 68.14 | 65.38 |
| 50% water dispersion granules agent of Kresoxim | 3500 times | 68.51 | 76.64 | 76.43 |
As can be seen from Table 2, can effectively prevent and treat apple mildew after kresoxim-methyl and probenazole 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 anthracnose, ring spot are had preventive effect preferably.
Implementation of an application example four: kresoxim-methyl and probenazole and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in suburb, Ningxia Province Yinchuan City, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 40% probenazole wetting powder (commercial), 50% water dispersion granules agent of Kresoxim (commercial).
The investigation downy mildew of garpe state of an illness before medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in every 7 days once is total to dispenser 2 times.Investigated respectively the downy mildew of garpe disease index and calculated preventive effect in 7 days, 14 days, 30 days after dispenser for the second time.Experimental result is as follows:
Table 3 kresoxim-methyl, probenazole and the composite downy mildew of garpe test of pesticide effectiveness of preventing and treating thereof
| Treatment agent | Extension rate | 7 days preventive effects (%) after the last medicine | 14 days preventive effects (%) after the last medicine | 30 days preventive effects (%) after the last medicine |
| 65% kresoxim-methyl probenazole wetting powder | 4000 times | 88.64 | 95.65 | 95.57 |
| 45% kresoxim-methyl probenazole water dispersible granules | 2000 times | 88.93 | 94.17 | 94.25 |
| 30% kresoxim-methyl probenazole suspending agent | 1800 times | 90.57 | 96.27 | 96.13 |
| 40% probenazole wetting powder | 2000 times | 62.25 | 69.30 | 68.38 |
| 50% water dispersion granules agent of Kresoxim | 3500 times | 65.36 | 78.46 | 78.43 |
As can be seen from Table 3, energy effectively preventing downy mildew of garpe after kresoxim-methyl and probenazole are composite, control efficiency all is better than contrasting medicament, and dosage is little, and the lasting period is long.The test scope of medication in to the target crop without harm.
Implementation of an application example five: kresoxim-methyl, probenazole 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 Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 40% probenazole wetting powder (commercial), 50% water dispersion granules agent of Kresoxim (commercial).
Investigation cucumber anthracnose state of an illness radix, total number of sheets, the sick number of sheets and sick leaf-size class number before medicine, in the their early stage dispenser, dispenser in every 7 days once, dispenser is 2 times altogether, investigates respectively disease index and calculates preventive effect in 7 days, 14 days after dispenser for the second time.Experimental result is as follows:
Table 4 kresoxim-methyl, probenazole and the composite control cucumber anthracnose test of pesticide effectiveness thereof
As can be seen from Table 4, can effectively prevent and treat cucumber anthracnose after kresoxim-methyl and probenazole are composite and occur, 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: kresoxim-methyl and probenazole 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 agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 40% probenazole wetting powder (commercial), 50% water dispersion granules agent of Kresoxim (commercial).
In the dispenser of pear tree their early stage, dispenser in every 7 days once, altogether dispenser is 3 times, investigation disease index before dispenser was investigated respectively disease index in 7 days, 15 days, 30 days after dispenser for the third time, and the calculation correction preventive effect, result of the test is as follows:
Table 5 kresoxim-methyl and probenazole and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
| Treatment agent | Extension rate | 7 days preventive effects (%) after the last medicine | 15 days preventive effects (%) after the last medicine | 30 days preventive effects (%) after the last medicine |
| 45% kresoxim-methyl probenazole wetting powder | 3000 times | 89.45 | 94.46 | 94.35 |
| 35% kresoxim-methyl probenazole water dispersible granules | 1500 times | 90.46 | 95.35 | 94.37 |
| 45% kresoxim-methyl probenazole suspending agent | 3000 times | 89.38 | 95.28 | 94.19 |
| 40% probenazole wetting powder | 2000 times | 63.34 | 72.13 | 68.38 |
| 50% water dispersion granules agent of Kresoxim | 3500 times | 70.75 | 79.06 | 79.42 |
As can be seen from Table 5, kresoxim-methyl, probenazole can the effectively preventing pears scab, and control efficiency all is better than contrasting medicament, in the test scope of medication to the target crop without harm.
Claims (1)
1. bactericidal composition that contains kresoxim-methyl and probenazole, the weight ratio that it is characterized in that bactericidal composition effective active composition kresoxim-methyl and probenazole is 2 ︰ 1～1 ︰ 8.
2. the bactericidal composition that contains kresoxim-methyl and probenazole according to claim 1, it is characterized in that: bactericidal composition is made wetting powder, water dispersible granules or suspending agent.
3. the bactericidal composition of kresoxim-methyl and probenazole that contains according to claim 1 is for the purposes of the powdery mildew of preventing and treating vegetables and fruit tree, downy mildew, anthracnose, scab.
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| CN102578108A (en) * | 2012-02-20 | 2012-07-18 | 广西田园生化股份有限公司 | Bactericidal composition containing probenazole |
| CN104938510B (en) * | 2015-07-08 | 2017-10-10 | 安徽省农业科学院植物保护与农产品质量安全研究所 | A kind of bactericidal composition of pyraclostrobin-containing and probenazole |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1385069A (en) * | 2001-05-15 | 2002-12-18 | 马韵升 | Pyrimethanil disinfection composition |
| CN101069511A (en) * | 2006-05-09 | 2007-11-14 | 陶氏农业科学公司 | Stabilized fungus-killing agent composition |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1385069A (en) * | 2001-05-15 | 2002-12-18 | 马韵升 | Pyrimethanil disinfection composition |
| CN101069511A (en) * | 2006-05-09 | 2007-11-14 | 陶氏农业科学公司 | Stabilized fungus-killing agent composition |
Non-Patent Citations (1)
| Title |
|---|
| Lehotay, Steven J..Determination of pesticide residues in foods by acetonitrile extraction and partitioning with magnesium sulfate: collaborative study.《Journal of AOAC International》.2007,第90卷(第2期),485-520. * |
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