CN102017970A - Sterilization composite containing cyproconazole and thiophanate methyl - Google Patents
Sterilization composite containing cyproconazole and thiophanate methyl Download PDFInfo
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- CN102017970A CN102017970A CN2010105516600A CN201010551660A CN102017970A CN 102017970 A CN102017970 A CN 102017970A CN 2010105516600 A CN2010105516600 A CN 2010105516600A CN 201010551660 A CN201010551660 A CN 201010551660A CN 102017970 A CN102017970 A CN 102017970A
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- cyproconazole
- thiophanate
- methyl
- composite
- bactericidal composition
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Abstract
The invention relates to a bactericide composite with synergistic function. The effective active ingredients of the bactericide composite comprise cyproconazole and thiophanate methyl, wherein the proportion of the cyproconazole to the thiophanate methyl by weight is 1: 1-1: 90; and an auxiliary and an excipient are added in the effective active ingredients to make wettable powder, water dispersible granules and suspending agents. The bactericide composite is mainly used for preventing and treating the powdery mildew, the leafspot, the gray mold, the alternaria leaf spot and the scab of the crops.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition on fruit diseases that contains cyproconazole and thiophanate-methyl.
Technical background
Cyproconazole, (having another name called Cyproconazole) English name: Cyproconazole, molecular formula: C
15H
18ClN
3O, chemical name: 2-(4-chlorphenyl)-3-cyclopropyl-1-(1H-1,2,4-triazol-1-yl) fourth-2-alcohol.
Cyproconazole belongs to triazole bactericidal agent.Be sterol demethylation inhibitor, have prevention and therapeutic action.All effective to the Erysiphales on cereal crop, coffee, beet, fruit tree and the grape, Uredinales, the mould genus of genus spore, Rhynchosporium spp, Septoria, Venturia bacterium.Use with other bactericide, can fine cereal eye spot disease, leaf spot and the net blotch of preventing and treating.The control wheat rust lasting period was 4～6 weeks, and preventing and treating powdery mildew was 3～4 weeks.Cereal, fruit tree and grape powdery mildew, peanut, beet tops pinta, apple scab and peanut white rot.
Thiophanate-methyl (thiophanate-methyl) belongs to benzimidazole, and molecular formula is (C
12H
14N
4S
2O
4), chemical name: 1,2-two (3-methoxycarbonyl group-2-ghiourea group) benzene.
Thiophanate-methyl belongs to benzimidazole, is a kind of broad spectrum activity systemic fungicide, can prevent and treat the various crop disease, has interior suction, prevention and therapeutic action.It is converted into carbendazim in plant corpus, disturb the formation of spindle in the germ mitosis, influences cell division.
No matter be cyproconazole, thiophanate-methyl 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.Cyproconazole is different with the thiophanate-methyl mechanism of action, and mutually composite have good synergistic effect within the specific limits.And composite about cyproconazole and thiophanate-methyl 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 cyproconazole and thiophanate-methyl.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains cyproconazole and thiophanate-methyl, wherein cyproconazole and thiophanate-methyl weight ratio are 1: 1～1: 90.
The described bactericidal composition that contains cyproconazole and thiophanate-methyl, wherein the weight ratio of cyproconazole and thiophanate-methyl is 1: 5～1: 60.
The described bactericidal composition that contains cyproconazole and thiophanate-methyl, wherein the weight ratio of cyproconazole and thiophanate-methyl is 1: 5～1: 30.
The described bactericidal composition that contains cyproconazole and thiophanate-methyl, wherein the weight ratio of cyproconazole and thiophanate-methyl is 1: 10～1: 30.
The described bactericidal composition that contains cyproconazole and thiophanate-methyl is by the known method of present technique field personnel, can be made into agricultural and go up any formulation that allows, more preferably as: wetting powder, water dispersible granules or suspending agent.
When making wetting powder, composition comprises following constituent content: cyproconazole 1～50%, thiophanate-methyl 5～80%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
Cyproconazole, thiophanate-methyl, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into cyproconazole thiophanate-methyl wetting powder product.
When making water dispersible granules, composition comprises following constituent content: cyproconazole 1～50%, thiophanate-methyl 5～80%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8%, filler 10～90%.
Cyproconazole, thiophanate-methyl, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, add other auxiliary agents such as adhesive again, obtain the materials of granulating.It is interior through after granulation and the drying to expect that product are quantitatively sent the fluidized bed granulation dryer to, makes cyproconazole thiophanate-methyl water dispersible granules product.
Comprise following constituent content when composition is made suspending agent: cyproconazole 1～20%, thiophanate-methyl 5～40%, dispersant 2～10%, wetting agent 2～10%, defoamer 0.1～1%, thickener 0.1～2%, antifreeze 0.1～8%, stabilizing agent 0.05%～3%, deionized water add to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze in the above-mentioned formulation material are mixed through high speed shear, add cyproconazole, thiophanate-methyl, ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes cyproconazole thiophanate-methyl 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 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: silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10In the aliphatic alcohols compound one or more.
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 powdery mildew, leaf spot, gray mold, spot defoliation, the scab on the control gourd, fruit and vegetable.
Beneficial effect of the present invention: (1) present composition effective active composition cyproconazole and thiophanate-methyl 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 the powdery mildew on the gourd, fruit and vegetable, leaf spot, gray mold, spot defoliation, 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.Pass through Toxicity Determination earlier, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR＜0.5 is an antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect, on this basis, carry out field trial again.
Implementation of an application example one:
Cyproconazole and thiophanate-methyl are composite to the apple mildew Toxicity Determination
Test medicine provides by Shaanxi agricultural chemicals Co., Ltd of U.S. nation.
After the effective inhibition concentration scope of each medicament was determined in prerun, each medicament was established 7 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 cyproconazole and thiophanate-methyl shared ratio in combination
A is a cyproconazole
B is a thiophanate-methyl
Result of the test is as shown in table 1:
Table 1 cyproconazole, thiophanate-methyl and composite toxicity test analysis of results table thereof to apple mildew
As shown in Table 1, cyproconazole, thiophanate-methyl are to the EC of apple mildew
50Be respectively 3.41mg/L and 36.75mg/L.The virulence of cyproconazole is apparently higher than the virulence of thiophanate-methyl.Cyproconazole and thiophanate-methyl were mixed in the scope at 1: 1～1: 90 and all show obvious synergistic effect.Wherein, both mixed synergies in 1: 5～1: 30 scope are particularly outstanding.
Implementation of an application example two: the implementation of Formulation Example
Embodiment 1 80% cyproconazole thiophanate-methyl wetting powder
Cyproconazole 10%, thiophanate-methyl 70%, polycarboxylate 4%, lauryl sodium sulfate 4%, spaonin powder 2%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 80% cyproconazole thiophanate-methyl wetting powder.
Embodiment 2 62% cyproconazole thiophanate-methyl wetting powders
Cyproconazole 2%, thiophanate-methyl 60%, lignosulfonates 4%, tea are withered 4%, white carbon 8%, kaolin add to 100%, and mixture carries out comminution by gas stream, makes 62% cyproconazole thiophanate-methyl wetting powder.
Embodiment 3 60% cyproconazole thiophanate-methyl wetting powders
Cyproconazole 10%, thiophanate-methyl 50%, alkyl benzene sulfonate calcium salt 5%, wetting and penetrating agent F 3%, white carbon 8%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 60% cyproconazole thiophanate-methyl wetting powder.
Embodiment 4 55% cyproconazole thiophanate-methyl wetting powders
Cyproconazole 5%, thiophanate-methyl 50%, lignosulfonates 2%, silkworm excrement 3%, white carbon 5%, attapulgite add to 100%, and mixture carries out comminution by gas stream, make 55% cyproconazole thiophanate-methyl wetting powder.
Embodiment 5 80% cyproconazole thiophanate-methyl water dispersible granules
Cyproconazole 15%, thiophanate-methyl 65%, polycarboxylate 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, ammonium sulfate 2%, starch add to 100%, the mixed 80% cyproconazole thiophanate-methyl water dispersible granules that gets.
Embodiment 6 70% cyproconazole thiophanate-methyl water dispersible granules
Cyproconazole 5%, thiophanate-methyl 65%, 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% cyproconazole thiophanate-methyl water dispersible granules that gets.
Embodiment 7 60% cyproconazole thiophanate-methyl water dispersible granules
Cyproconazole 20%, thiophanate-methyl 40%, alkyl benzene sulfonate calcium salt 5%, Nekal BX 6%, urea 3%, starch 10%, precipitated calcium carbonate add to 100%, the mixed 60% cyproconazole thiophanate-methyl water dispersible granules that gets.
Embodiment 8 50% cyproconazole thiophanate-methyl water dispersible granules
Cyproconazole 10%, thiophanate-methyl 40%, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, starch 10%, diatomite add to 100%, mixed 50% cyproconazole thiophanate-methyl water dispersible granules.
Embodiment 9 42% cyproconazole thiophanate-methyl suspending agents
Cyproconazole 2%, thiophanate-methyl 40%, alkyl benzene sulfonate calcium salt 4%, sodium lignin sulfonate 3%, DBSA 4%, silicone oil 0.1%, xanthan gum 0.3%, deionized water adds to 100%, the mixed 42% cyproconazole thiophanate-methyl suspending agent that gets.
Embodiment 10 35% cyproconazole thiophanate-methyl suspending agents
Cyproconazole 5%, thiophanate-methyl 30%, polycarboxylate 4%, soapberry powder 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, ethylene glycol 2%, deionized water add to 100%, the mixed 35% cyproconazole thiophanate-methyl suspending agent that gets.
Embodiment 11 30% cyproconazole thiophanate-methyl suspending agents
Cyproconazole 4%, thiophanate-methyl 26%, polyoxyethylene carboxylate 4%, spaonin powder 5%, silicone compound 0.1%, polyvinyl alcohol 0.4%, gelatin 2%, propane diols 2%, deionized water add to 100%, the mixed 30% cyproconazole thiophanate-methyl suspending agent that gets.
Embodiment 12 10% cyproconazole thiophanate-methyl suspending agents
Cyproconazole 5%, thiophanate-methyl 5%, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyvinyl alcohol 0.5%, xanthans 2%, glycerine 4%, deionized water add to 100%, the mixed 10% cyproconazole thiophanate-methyl suspending agent that gets.
Embodiment uses tricyclazole alcohol and the thiophanate-methyl 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 agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 70% thiophanate-methyl wetting powder (commercial), 40% cyproconazole wetting powder (commercial).
The apple mildew disease index is calculated in investigation before the medicine, and in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 3 times.Investigated the apple 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 2 cyproconazole, thiophanate-methyl and the composite apple mildew test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 2, can effectively prevent and treat apple mildew after cyproconazole and thiophanate-methyl 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 alternaria leaf spot of apple is had preventive effect preferably, preventive effect reaches more than 90%.
Implementation of an application example four: cyproconazole and thiophanate-methyl and the composite control muskmelon leaf pinta test of pesticide effectiveness thereof
This experimental establishment is in Wudu County suburb, Gansu Province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 70% thiophanate-methyl wetting powder (commercial), 40% cyproconazole wetting powder (commercial).
The investigation muskmelon leaf pinta state of an illness before the medicine, in the dispenser for the first time of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 3 times.Investigated muskmelon leaf pinta 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 cyproconazole, thiophanate-methyl and the composite control muskmelon leaf pinta test of pesticide effectiveness thereof
As can be seen from Table 3, energy effectively preventing muskmelon leaf pinta after cyproconazole and thiophanate-methyl 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, the target crop there is not harm.
Implementation of an application example five: cyproconazole, thiophanate-methyl and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in Hu County, Xian City, Shanxi Province, and test medicine is researched and developed, provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 70% thiophanate-methyl wetting powder (commercial), 40% cyproconazole wetting powder (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 cyproconazole, thiophanate-methyl and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
As can be seen from Table 4, can effectively prevent and treat powdery mildew of cucumber after cyproconazole and thiophanate-methyl are composite and give birth to, control efficiency all is better than contrasting medicament, in this test scope of medication the target crop is had no adverse effects, and find that gray mold of cucumber is had good preventive effect, all can reach more than 87%.
Implementation of an application example six: cyproconazole and thiophanate-methyl 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 70% thiophanate-methyl wetting powder (commercial), 40% cyproconazole wetting powder (commercial).
In the dispenser of pear tree 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 10 days, 20 days after the dispenser for the third time, and the calculation correction preventive effect, result of the test is as follows:
Table 5 cyproconazole and thiophanate-methyl and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 5, cyproconazole, thiophanate-methyl 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.
Claims (5)
1. bactericidal composition that contains cyproconazole and thiophanate-methyl, the weight ratio that it is characterized in that microbicide compositions effective active composition cyproconazole and thiophanate-methyl is 1: 1～1: 90.
2. the bactericidal composition that contains cyproconazole and thiophanate-methyl according to claim 1 is characterized in that: wherein the weight ratio of cyproconazole and thiophanate-methyl is 1: 5～1: 60.
3. the bactericidal composition that contains cyproconazole and thiophanate-methyl according to claim 2 is characterized in that: wherein the weight ratio of cyproconazole and thiophanate-methyl is 1: 5～1: 30.
4. the bactericidal composition that contains cyproconazole and thiophanate-methyl according to claim 1 is characterized in that: microbicide compositions is made wetting powder, water dispersible granules or suspending agent.
5. the bactericidal composition that contains cyproconazole and thiophanate-methyl according to claim 1 is used to prevent and treat powdery mildew, leaf spot, gray mold, spot defoliation, the scab of gourd, fruit and vegetable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105516600A CN102017970A (en) | 2010-11-21 | 2010-11-21 | Sterilization composite containing cyproconazole and thiophanate methyl |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105516600A CN102017970A (en) | 2010-11-21 | 2010-11-21 | Sterilization composite containing cyproconazole and thiophanate methyl |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563955A (en) * | 2012-08-08 | 2014-02-12 | 陕西美邦农药有限公司 | Bactericidal composition containing bromuconazole |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089430A (en) * | 1993-01-12 | 1994-07-20 | 山道士有限公司 | Fungicidal composition |
| CN101692807A (en) * | 2009-10-20 | 2010-04-14 | 陕西上格之路生物科学有限公司 | Dispersible oil suspension agent containing cyproconazole |
| CN102293211A (en) * | 2010-06-23 | 2011-12-28 | 海利尔药业集团股份有限公司 | Bactericidal composition containing thiophanatemethyl and cyproconazole |
-
2010
- 2010-11-21 CN CN2010105516600A patent/CN102017970A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089430A (en) * | 1993-01-12 | 1994-07-20 | 山道士有限公司 | Fungicidal composition |
| CN101692807A (en) * | 2009-10-20 | 2010-04-14 | 陕西上格之路生物科学有限公司 | Dispersible oil suspension agent containing cyproconazole |
| CN102293211A (en) * | 2010-06-23 | 2011-12-28 | 海利尔药业集团股份有限公司 | Bactericidal composition containing thiophanatemethyl and cyproconazole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563955A (en) * | 2012-08-08 | 2014-02-12 | 陕西美邦农药有限公司 | Bactericidal composition containing bromuconazole |
| CN103563955B (en) * | 2012-08-08 | 2015-08-19 | 陕西美邦农药有限公司 | A kind of bactericidal composition containing bromuconazole |
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Address after: 715500 Weinan City, Shaanxi province Pucheng County agricultural base industrial park Applicant after: Shaanxi Meibang Pesticide Co., Ltd. Address before: 710075, C, 15 floor, Jinqiao International Plaza, science and technology road, hi tech Zone, Shaanxi, Xi'an Applicant before: Shaanxi Meibang Pesticide Co., Ltd. |
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Application publication date: 20110420 |