CN101779657B - Bactericidal composite containing flusilazole and ethirimol - Google Patents
Bactericidal composite containing flusilazole and ethirimol Download PDFInfo
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- CN101779657B CN101779657B CN 200910219587 CN200910219587A CN101779657B CN 101779657 B CN101779657 B CN 101779657B CN 200910219587 CN200910219587 CN 200910219587 CN 200910219587 A CN200910219587 A CN 200910219587A CN 101779657 B CN101779657 B CN 101779657B
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- flusilazole
- phonetic phenol
- phonetic
- ethirimol
- phenol
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Abstract
The invention relates to a bactericidal composite with synergy, which contains active ingredients of flusilazole and ethirimol, wherein, the weight ratio of flusilazole to ethirimol is 1-60:60-1, and auxiliary agents and excipients can be added into the effective and active ingredients to prepare wettable powder, water dispersible granule and suspending agent which have good treating effect on plant diseases caused by ascomycetes, basidiomycetes and imperfect fungi harmful bacteria.
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 Flusilazole and the phonetic phenol of second.
Technical background
Flusilazole (flusilazole) is the miazines bactericide.Molecular formula is C
16H
15F
2N
3Si, chemical name: two (4-fluorophenyl) methyl (1H-1,2, the support of 4-triazol-1-yl methylene) silane.
Flusilazole belongs to triazole bactericidal agent, and this medicine mainly is the biosynthesis that destroys and stop the cell membrane important composition composition ergosterol of germ, causes cell membrane not form, and makes germ death.In the antithetical phrase due to the germ of Gammaproteobacteria, Basidiomycetes and Fungi Imperfecti disease effective, invalid to oomycetes.
The phonetic phenol of second (ethirimol) is the miazines bactericide of Syngenta Co.,Ltd's exploitation.Molecular formula is C
11H
19N
3O, chemical name: 5-butyl-2-ethylamino-4-hydroxyl-6-methylpyrimidine.
The phonetic phenol of second belongs to adenosine deaminase inhibitors.Be a kind of systemic fungicide, have prevention and therapeutic action.Can be absorbed rapidly by plant roots, stem, leaf, and in plant corpus, run to each position.
No matter be the phonetic phenol of Flusilazole, second 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.Flusilazole is different with the phonetic phenol mechanism of action of second, and mutually composite have good synergistic effect within the specific limits.And composite about Flusilazole and the phonetic phenol of second 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 Flusilazole and the phonetic phenol of second.
The present invention is achieved through the following technical solutions;
The bactericidal composition of described fluorine silicon azoles and the phonetic phenol of second, wherein the percentage by weight of Flusilazole and the phonetic phenol of second is 1～60: 60～1.
The bactericidal composition of described fluorine silicon azoles and the phonetic phenol of second, wherein the percentage by weight of Flusilazole and the phonetic phenol of second is 5～50: 60～10.
The bactericidal composition of described fluorine silicon azoles and the phonetic phenol of second, wherein the percentage by weight of Flusilazole and the phonetic phenol of second is 10～30: 50～20.
The bactericidal composition of described fluorine silicon azoles and the phonetic phenol of second is made wetting powder, water dispersible granules or suspending agent.
When making wetting powder, composition comprises following constituent content: Flusilazole 1～60%, the phonetic phenol 1～60% of second, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
Flusilazole, the phonetic phenol of second, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into the phonetic phenol wetting powder of Flusilazole second product.
When making water dispersible granules, composition comprises following constituent content: Flusilazole 1～60%, the phonetic phenol 1～60% of second, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8%, filler 10～90%.
Flusilazole, the phonetic phenol of second, 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 binding agent 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 Flusilazole ethirimol water dispersible granules product.
Comprise following constituent content when composition is made suspending agent: Flusilazole 1～40%, the phonetic phenol 1～50% of second, 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 Flusilazole, the phonetic phenol of second, ball milling is 2～3 hours in ball mill, makes diameter of particle all below 5 μ m, makes the phonetic phenol suspending agent of Flusilazole second 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: 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 control to be used for preventing and treating by disease due to the germ of child Gammaproteobacteria, Basidiomycetes and Fungi Imperfecti.
Beneficial effect of the present invention: (1) present composition effective active composition Flusilazole and the phonetic phenol of second 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 anthracnose, powdery mildew, scab, ring spot, the leaf 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.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 the implementation of Formulation Example
The phonetic phenol wetting powder of embodiment 180% Flusilazole second
Flusilazole 50%, the phonetic phenol 30% of second, lignosulfonates 5%, neopelex 3%, soapberry powder 2%, kaolin 10%, mixture carries out comminution by gas stream, makes the phonetic phenol wetting powder of 80% Flusilazole second.
The phonetic phenol wetting powder of embodiment 260% Flusilazole second
Flusilazole 30%, the phonetic phenol 30% of second, polycarboxylate 4%, tea are withered 4%, white carbon 8%, diatomite 24%, and mixture carries out comminution by gas stream, makes the phonetic phenol wetting powder of 60% Flusilazole second.
The phonetic phenol wetting powder of embodiment 350% Flusilazole second
Flusilazole 10%, the phonetic phenol 40% of second, alkylphenol-polyethenoxy are phonetic 5%, neopelex 3%, white carbon 7%, bentonite 35%, and mixture carries out comminution by gas stream, makes the phonetic phenol wetting powder of 50% Flusilazole second.
The phonetic phenol wetting powder of embodiment 425% Flusilazole second
Flusilazole 7%, the phonetic phenol 18% of second, lignosulfonates 5%, wetting and penetrating agent F 3%, white carbon 12%, bentonite 55%, mixture carries out comminution by gas stream, makes the phonetic phenol wetting powder of 25% Flusilazole second.
Embodiment 570% Flusilazole ethirimol water dispersible granules
Flusilazole 10%, the phonetic phenol 60% of second, alkylphenol-polyethenoxy are phonetic 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, bentonite 5%, starch 15%, mixed 70% Flusilazole ethirimol water dispersible granules.
Embodiment 660% Flusilazole ethirimol water dispersible granules
Flusilazole 15%, the phonetic phenol 45% of second, polycarboxylate 3%, polyoxyethylene carboxylate 3%, lauryl sodium sulfate 4%, sodium bicarbonate 3%, starch 12%, kaolin 15%, the mixed 60% Flusilazole ethirimol water dispersible granules that gets.
Embodiment 740% Flusilazole ethirimol water dispersible granules
Flusilazole 10%, the phonetic phenol 30% of second, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, starch 20%, bentonite 33%, mixed 40% Flusilazole ethirimol water dispersible granules.
Embodiment 820% Flusilazole ethirimol water dispersible granules
Flusilazole 4%, the phonetic phenol 16% of second, alkylphenol-polyethenoxy are phonetic 5%, DBSA 2%, starch 20%, diatomite 53%, mixed 20% Flusilazole ethirimol water dispersible granules.
The phonetic phenol suspending agent of embodiment 945% Flusilazole second
Flusilazole 20%, the phonetic phenol 25% of second, polycarboxylate 4%, sodium lignin sulfonate 3%, soapberry powder 4%, silicone oil 0.1%, polyvinyl alcohol 0.3%, deionized water adds to 100%, the mixed phonetic phenol suspending agent of 45% Flusilazole second that gets.
The phonetic phenol suspending agent of embodiment 1040% Flusilazole second
Flusilazole 5%, the phonetic phenol 35% of second, polycarboxylate 4%, DBSA 5%, silicone compound 0.1%, hydroxyethylcellulose 0.1%, ethylene glycol 2%, deionized water add to 100%, the mixed phonetic phenol suspending agent of 40% Flusilazole second that gets.
The phonetic phenol suspending agent of embodiment 1130% Flusilazole second
Flusilazole 10%, the phonetic phenol 20% of second, polycarboxylate 2%, neopelex 2%, silicone compound 0.1%, polyethylene glycol 0.5%, propane diols 4%, deionized water add to 100%, the mixed phonetic phenol suspending agent of 30% Flusilazole second that gets.
The phonetic phenol suspending agent of embodiment 1210% Flusilazole second
Flusilazole 1%, the phonetic phenol 9% of second, polycarboxylate 2%, neopelex 2%, silicone oil 0.1%, polyethylene glycol 0.5%, glycerine 4%, deionized water add to 100%, the mixed phonetic phenol suspending agent of 10% Flusilazole second that gets.
Implementation of an application example two: the phonetic phenol of Flusilazole and second is composite to the cucumber anthracnose 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 cucumber anthracnose.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 Flusilazole and the phonetic phenol of second shared ratio in combination
A is a Flusilazole
B is the phonetic phenol of second
Result of the test is as shown in table 1:
Table 1 Flusilazole, the phonetic phenol of second and composite toxicity test analysis of results table thereof to the cucumber anthrax-bacilus
As shown in Table 1, Flusilazole, the phonetic phenol of second are to the EC of cucumber anthracnose
50Be respectively 0.45mg/L and 35.63g/L.The virulence of Flusilazole is higher than the virulence of the phonetic phenol of second.2: 1,1: 2,1: 4,1: 8,1: 12 synergy ratio of the phonetic phenol proportioning of Flusilazole and second is respectively 1.56,1.88,2.08,1.72,1.57, illustrating that the phonetic phenol of Flusilazole and second was mixed in the scope at 2: 1 to 1: 12 all shows obvious synergistic effect, synergy ratio SR maximum when Flusilazole and the phonetic phenol weight ratio of second are 1: 4 wherein, synergistic effect is the most obvious.
Implementation of an application example three Flusilazoles, the phonetic phenol of second 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 means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 10% Flusilazole aqueous emulsion (commercial), the phonetic phenol suspending agent of 25% second (commercial).
Investigation powdery mildew of cucumber 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, 30 days after the dispenser for the second time.Experimental result is as follows:
Table 3 Flusilazole, the phonetic phenol of second 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 last medicine | 14 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| The phonetic phenol wetting powder of 60% Flusilazole second | 8 gram/mus | 90.25 | 95.24 | 94.15 |
| 40% Flusilazole ethirimol water dispersible granules | 15 gram/mus | 90.82 | 96.25 | 94.75 |
| The phonetic phenol suspending agent of 45% Flusilazole second | 12 gram/mus | 89.24 | 94.72 | 93.34 |
| 10% Flusilazole aqueous emulsion | 40 gram/mus | 72.72 | 75.45 | 74.35 |
| The phonetic phenol suspending agent of 25% second | 80 gram/mus | 76.27 | 77.42 | 72.25 |
As can be seen from Table 3, can effectively prevent and treat powdery mildew of cucumber after the phonetic phenol of Flusilazole and second is 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 cucumber anthracnose had good preventive effect, preventive effect all reaches more than 90%.
Embodiment uses four Flusilazoles and the phonetic phenol of second and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
This experimental establishment is in Pucheng County area just outside a city gate, Shaanxi Province town, and test medicine is researched and developed, provided by Shaanxi means of agricultural production trade Co., Ltd of U.S. nation, contrast medicament 10% Flusilazole aqueous emulsion (commercial), the phonetic phenol suspending agent of 25% second (commercial).
Investigation pear scab disease index before the medicine, in the their early stage dispenser, dispenser in per 7 days once, dispenser is 3 times altogether, for the third time 7 days, 15 days investigation disease indexs and calculate preventive effect after the dispenser.Experimental result is as follows:
Table 2 Flusilazole, the phonetic phenol of second and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the medicine for the third time | 15 days preventive effects (%) behind the medicine for the third time | 30 days preventive effects (%) behind the medicine for the third time |
| The phonetic phenol wetting powder of 75% Flusilazole second | 10000 times | 90.35 | 95.12 | 94.42 |
| 60% Flusilazole ethirimol water dispersible granules | 6000 times | 91.89 | 95.62 | 94.72 |
| The phonetic phenol suspending agent of 30% Flusilazole second | 3000 times | 91.96 | 95.32 | 93.31 |
| 10% Flusilazole aqueous emulsion | 2500 times | 70.13 | 72.14 | 71.25 |
| The phonetic phenol suspending agent of 25% second | 800 times | 76.51 | 77.02 | 76.34 |
As can be seen from Table 2, can effectively prevent and treat pear scab after the phonetic phenol of Flusilazole and second is 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.
Implementation of an application example five Flusilazoles and the phonetic phenol of second and the composite ring rot of apple 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 10% Flusilazole aqueous emulsion (commercial), the phonetic phenol suspending agent of 25% second (commercial).
In the dispenser of ring rot of apple 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 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:
The phonetic phenol of table 4 Flusilazole and second and the composite ring rot of apple test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | Extension rate | 10 days preventive effects (%) behind the medicine for the third time | 20 days preventive effects (%) behind the medicine for the third time | 30 days preventive effects (%) behind the medicine for the third time |
| The phonetic phenol wetting powder of 25% Flusilazole second | 3000 times | 94.38 | 96.76 | 94.42 |
| 70% Flusilazole ethirimol water dispersible granules | 5500 times | 93.07 | 95.64 | 94.72 |
| The phonetic phenol suspending agent of 10% Flusilazole second | 600 times | 93.52 | 95.50 | 94.31 |
| 10% Flusilazole aqueous emulsion | 2500 times | 73.75 | 78.98 | 75.34 |
| The phonetic phenol suspending agent of 25% second | 800 times | 74.55 | 80.42 | 75.25 |
As can be seen from Table 4, Flusilazole, the phonetic phenol energy of second effectively preventing ring rot of apple, control efficiency all is better than contrasting medicament, dosage is little, in the test scope of medication target crop is not had harm, and apple mildew is had good preventive effect, preventive effect all reaches more than 90%.
Implementation of an application example six Flusilazoles and the phonetic phenol of second and the composite cladosporium leaf and fruit mould of tomato 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 10% Flusilazole aqueous emulsion (commercial), the phonetic phenol suspending agent of 25% second (commercial).
In the dispenser of cladosporium leaf and fruit mould of tomato their early stage, dispenser in per 7 days once is total to dispenser 2 times, and the investigation disease index was investigated disease index respectively in 10 days, 20 days after the 2nd dispenser before the dispenser, and the calculation correction preventive effect, and result of the test is as follows:
The phonetic phenol of table 4 Flusilazole and second and the composite cladosporium leaf and fruit mould of tomato test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | Extension rate | 10 days preventive effects (%) behind the medicine for the second time | 20 days preventive effects (%) behind the medicine for the second time | 30 days preventive effects (%) behind the medicine for the second time |
| The phonetic phenol wetting powder of 50% Flusilazole second | 4000 times | 94.38 | 96.76 | 94.42 |
| 20% Flusilazole ethirimol water dispersible granules | 2000 times | 93.07 | 95.64 | 94.72 |
| The phonetic phenol suspending agent of 40% Flusilazole second | 3000 times | 89.52 | 91.50 | 90.31 |
| 10% Flusilazole aqueous emulsion | 3000 times | 74.55 | 79.42 | 78.25 |
| The phonetic phenol suspending agent of 25% second | 800 times | 73.75 | 78.98 | 75.34 |
As can be seen from Table 4, Flusilazole, the phonetic phenol energy of second effectively preventing cladosporium leaf and fruit mould of tomato, 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. the bactericidal composition of fluorine silicon azoles and the phonetic phenol of second, the weight ratio that it is characterized in that bactericidal composition effective active composition Flusilazole and the phonetic phenol of second is 1: 12～2: 1.
2. the bactericidal composition of fluorine silicon azoles according to claim 1 and the phonetic phenol of second is characterized in that: bactericidal composition is made wetting powder, water dispersible granules, suspending agent.
3. the bactericidal composition of fluorine silicon azoles according to claim 1 and the phonetic phenol of second is characterized in that: wherein the effective active component content accounts for 1～95% of gross weight.
4. the bactericidal composition of fluorine silicon azoles according to claim 3 and the phonetic phenol of second is characterized in that: wherein the effective active component content accounts for 10～80% of gross weight.
5. the bactericidal composition of fluorine silicon azoles according to claim 1 and the phonetic phenol of second is used to prevent and treat the purposes by disease due to the germ of Ascomycetes, Basidiomycetes and Fungi Imperfecti.
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| KR20090117639A (en) * | 2008-05-09 | 2009-11-12 | 닛산 가가쿠 고교 가부시키 가이샤 | Pestcidal composition |
| CN101632364A (en) * | 2009-05-27 | 2010-01-27 | 深圳诺普信农化股份有限公司 | Sterilization composition |
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| CN101632364A (en) * | 2009-05-27 | 2010-01-27 | 深圳诺普信农化股份有限公司 | Sterilization composition |
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