CN101720780B - Bactericidal composition containing flusilazole and probenazole - Google Patents
Bactericidal composition containing flusilazole and probenazole Download PDFInfo
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- CN101720780B CN101720780B CN201010003084A CN201010003084A CN101720780B CN 101720780 B CN101720780 B CN 101720780B CN 201010003084 A CN201010003084 A CN 201010003084A CN 201010003084 A CN201010003084 A CN 201010003084A CN 101720780 B CN101720780 B CN 101720780B
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- probenazole
- flusilazole
- bactericidal composition
- fluorine silicon
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Abstract
The invention relates to a bactericide composition having a synergy action, and the effective active ingredients of the bactericide composition contain flusilazole and probenazole, wherein the proportion by weight of the flusilazole and the probenazole is 1-40:80-1, and wettable powder, water dispersible powder or a suspending agent is prepared by adding an auxiliary agent and an excipient into the effective active ingredients and has better therapeutic effect on diseases including powdery mildew, anthracnose, ring spots, scabs, white rots and the like of multiple 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 Flusilazole and probenazole.
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 dead.In the antithetical phrase due to the germ of Gammaproteobacteria, Basidiomycetes and Fungi Imperfecti disease effective, invalid to oomycetes.
Probenazole (flusilazole) is the benzimidazole germicide of Syngenta Co.,Ltd's exploitation.Molecular formula: C
10H
7N
3S, chemical name: two (4-fluorophenyl) methyl (1H-1,2, the support of 4-triazol-1-yl methylene) silane.
The probenazole mechanism of action is to suppress mitochondrial respiration of fungi and cell proliferation, inhales conduction in having, and root is executed the conduction of Shi Nengxiang top, but can not conduct to base.The antibacterial activity activity is limited to sac fungi, basidiomycetes, imperfect fungus, and to oomycetes and zygomycete non-activity.
No matter be Flusilazole, probenazole 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 different effects mechanism 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 probenazole mechanism of action, and each other composite have good synergistic effect within the specific limits.And composite about Flusilazole and probenazole 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 probenazole.
The present invention realizes through following technical scheme:
The bactericidal composition of a kind of fluorine silicon azoles and probenazole, wherein Flusilazole and probenazole percentage by weight are 1～40: 80～1.
The bactericidal composition of described fluorine silicon azoles and probenazole, wherein the percentage by weight of Flusilazole and probenazole is 1～30: 60～1.
The bactericidal composition of described fluorine silicon azoles and probenazole, wherein the percentage by weight of Flusilazole and probenazole is 5～20: 60～10.
The bactericidal composition of described fluorine silicon azoles and probenazole, wherein the percentage by weight of Flusilazole and probenazole is 5～15: 50～15.
The bactericidal composition of described fluorine silicon azoles and probenazole, wherein the effective active component content accounts for 1～95% of gross weight, is preferably 20～80%.
The bactericidal composition of described fluorine silicon azoles and probenazole is processed wetting powder, water dispersible granules.
When processing wetting powder, composition comprises following constituent content; Flusilazole 1～40%, probenazole 1～80%, dispersant 5～10%, wetting agent 2～10%, filler 8～90%.
Flusilazole, probenazole, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into Flusilazole probenazole wetting powder product.
When processing water dispersible granules, composition comprises following constituent content: Flusilazole 1～40%, probenazole 1～80%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, filler 10～90%.
Flusilazole, probenazole, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, obtain the materials of granulating.It is interior through after granulation and the drying to expect that article are quantitatively sent the fluidized bed granulation dryer to, makes Flusilazole probenazole water dispersible granules 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 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, anthracnose, ring spot, scab, the white rot of control vegetables and cereal crop.
Beneficial effect of the present invention: (1) present composition effective active composition Flusilazole and probenazole belong to the bactericide of two kinds of different effects mechanism, and both are mixed each other and can produce conflict; (2) present composition has good synergistic effect within the specific limits, and preventive effect is higher than single agent, and dosage is little; (3) the present invention not with an organic solvent is not difficult for producing poisoning, is convenient to transportation and storage; (4) present composition has special efficacy to powdery mildew, anthracnose, ring spot, scab, the white rot of vegetables and fruit tree.
Embodiment
The present invention is explained further that 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.
Practice example one and implement the prescription example
Embodiment 1 80% Flusilazole probenazole wetting powder
Flusilazole 20%, probenazole 60%, lignosulfonates 5%, neopelex 3%, soapberry powder 2%, kaolin 10%, mixture carries out comminution by gas stream, makes 80% Flusilazole probenazole wetting powder.
Embodiment 2 60% Flusilazole probenazole wetting powders
Flusilazole 30%, probenazole 30%, polycarboxylate 4%, tea are withered 4%, white carbon 8%, diatomite 24%, and mixture carries out comminution by gas stream, makes 60% Flusilazole probenazole wetting powder.
Embodiment 3 50% Flusilazole probenazole wetting powders
Flusilazole 40%, probenazole 10%, alkylphenol-polyethenoxy are phonetic 5%, neopelex 3%, white carbon 7%, bentonite 35%, and mixture carries out comminution by gas stream, makes 50% Flusilazole probenazole wetting powder.
Embodiment 4 25% Flusilazole probenazole wetting powders
Flusilazole 5%, probenazole 20%, lignosulfonates 5%, wetting and penetrating agent F3%, white carbon 12%, bentonite 55%, mixture carries out comminution by gas stream, makes 25% Flusilazole probenazole wetting powder.
Embodiment 5 10% Flusilazole probenazole wetting powders
Flusilazole 1%, probenazole 9%, polycarboxylate 4%, neopelex 4%, white carbon 8%, kaolin 14%, diatomite 64%, the mixed 10% Flusilazole probenazole wetting powder that gets.
Embodiment 6 78% Flusilazole probenazole water dispersible granules
Flusilazole 6%, probenazole 72%, alkylphenol-polyethenoxy are phonetic 3%, lignosulfonates 3%, lauryl sodium sulfate 4%, urea 2%, starch 10%, mixed 78% Flusilazole probenazole water dispersible granules.
Embodiment 7 65% Flusilazole probenazole water dispersible granules
Flusilazole 15%, probenazole 50%, polycarboxylate 3%, polyoxyethylene carboxylate 3%, lauryl sodium sulfate 4%, sodium bicarbonate 3%, starch 27%, the mixed 65% Flusilazole probenazole water dispersible granules that gets.
Embodiment 8 45% Flusilazole probenazole water dispersible granules
Flusilazole 5%, probenazole 40%, alkylphenol-polyethenoxy are phonetic 5%, wetting agent T5%, ammonium sulfate 3%, starch 20%, bentonite 22%, mixed 45% Flusilazole probenazole water dispersible granules.
Embodiment 9 35% Flusilazole probenazole water dispersible granules
Flusilazole 10%, probenazole 25%, sodium lignin sulfonate 4%, DBSA 2%, starch 20%, diatomite 39%, the mixed 35% Flusilazole probenazole water dispersible granules that gets.
Embodiment 10 15% Flusilazole probenazole suspending agents
Flusilazole 5%, probenazole 10%, polycarboxylate 4%, DBSA 5%, aluminium chloride 3%, starch 18%, attapulgite 55%, the mixed 15% Flusilazole probenazole water dispersible granules that gets.
Practice example two: Flusilazole 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 confirmed 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 powdery mildew of cucumber.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 following:
Wherein: a, b are respectively Flusilazole and probenazole shared ratio in combination
A is a Flusilazole
B is a probenazole
Result of the test is as shown in table 1:
Table 1 Flusilazole, probenazole and composite toxicity test analysis of results table thereof to powdery mildew of cucumber
Can know that by table 1 Flusilazole, probenazole are to the EC of cucumber sclerotiorum
50Be respectively 0.42mg/L and 65.75mg/L.The virulence of Flusilazole is higher than the virulence of probenazole.4: 1,1: 2,1: 4,1: 8,1: 12 synergy ratio of Flusilazole and probenazole proportioning is respectively 1.54,1.89,2.13,1.84,1.55; Explaining that Flusilazole and probenazole were mixed in the scope at 4: 1 to 1: 12 all shows obvious synergistic effect; Wherein synergy ratio SR is maximum when Flusilazole and probenazole weight ratio are 1: 4, and synergistic effect is the most obvious.
Embodiment uses three Flusilazoles and the probenazole and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
This EE 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 10% Flusilazole aqueous emulsion (commercial), 30% probenazole wetting powder (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, 30 days " Invest, Then Investigate " disease indexs and calculate preventive effect after the dispenser.Experimental result is as follows:
Table 2 Flusilazole, probenazole and the composite pear scab test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | Extension rate | 7 days preventive effects (%) behind the last medicine | 15 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| 80% Flusilazole probenazole wetting powder | 7000 times | 89.35 | 95.12 | 94.42 |
| 65% Flusilazole probenazole water dispersible granules | 4500 times | 91.89 | 95.62 | 94.72 |
| 10% Flusilazole aqueous emulsion | 2000 times | 76.13 | 77.14 | 81.25 |
| 30% probenazole wetting powder | 1000 times | 70.51 | 72.02 | 72.34 |
Can be found out that by table 2 can effectively prevent and treat pear scab after Flusilazole and probenazole are composite, control efficiency all is superior to contrasting medicament, the lasting period is long.In the test scope of medication, the target crop is had no adverse effects, and the pears leaf spot is had preventive effect preferably.
Practice routine four Flusilazoles, probenazole and the composite powdery mildew of cucumber test of pesticide effectiveness of preventing and treating thereof
This EE is in the Lantian 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), 30% probenazole wetting powder (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, probenazole 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 |
| 50% Flusilazole-probenazole wetting powder | 7 gram/mus | 90.25 | 95.24 | 94.15 |
| 35% Flusilazole probenazole water dispersible granules | 25 gram/mus | 90.22 | 96.25 | 94.75 |
| 10% Flusilazole aqueous emulsion | 40 gram/mus | 78.72 | 82.45 | 81.35 |
| 30% probenazole wetting powder | 50 gram/mus | 76.27 | 77.42 | 72.25 |
Can find out by table 3; Can effectively prevent and treat powdery mildew of cucumber after Flusilazole and probenazole are composite and take place, control efficiency all is superior to contrasting medicament, in this test scope of medication, the target crop is had no adverse effects; And gray mold of cucumber had good preventive effect, preventive effect all reaches more than 90% after 30 days.
Practice routine five Flusilazoles and probenazole and the composite ring rot of apple test of pesticide effectiveness of preventing and treating thereof
This EE is Luochuan County in 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), 30% probenazole wetting powder (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, 30 days after the 3rd dispenser before the dispenser, and the calculation correction preventive effect, and result of the test is following:
Table 4 Flusilazole and probenazole 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 last medicine | 20 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| 25% Flusilazole probenazole wetting powder | 1500 times | 94.38 | 96.76 | 94.42 |
| 78% Flusilazole probenazole water dispersible granules | 3500 times | 93.07 | 95.64 | 94.72 |
| 10% Flusilazole aqueous emulsion | 2000 times | 74.55 | 82.42 | 81.25 |
| 30% probenazole wetting powder | 800 times | 73.75 | 78.98 | 75.34 |
Can find out by table 4, Flusilazole, probenazole ability effectively preventing ring rot of apple, control efficiency all is superior to contrasting medicament; Dosage is little; In the test scope of medication, the target crop is not had harm, and apple mildew, anthracnose are had good preventive effect, preventive effect all reaches more than 80%.
Practice routine six Flusilazoles and probenazole and the composite fruit white rot of grape test of pesticide effectiveness of preventing and treating thereof
This EE is one vineyard, the big exit of valley of Changan District in the 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), 30% probenazole wetting powder (commercial).
In the dispenser of fruit white rot of grape 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, 30 days after the 3rd dispenser before the dispenser, and the calculation correction preventive effect, and result of the test is following:
Table 5 Flusilazole and probenazole and the composite fruit white rot of grape test of pesticide effectiveness of preventing and treating thereof
| Handle medicament | Extension rate | 10 days preventive effects (%) behind the last medicine | 20 days preventive effects (%) behind the last medicine | 30 days preventive effects (%) behind the last medicine |
| 10% Flusilazole probenazole wetting powder | 500 times | 94.38 | 96.76 | 94.42 |
| 45% Flusilazole probenazole water dispersible granules | 2500 times | 93.07 | 95.64 | 94.72 |
| 10% Flusilazole aqueous emulsion | 2000 times | 74.55 | 82.42 | 81.25 |
| 30% probenazole wetting powder | 700 times | 73.75 | 78.98 | 75.34 |
Can find out by table 5, Flusilazole, probenazole ability effectively preventing fruit white rot of grape, control efficiency all is superior to contrasting medicament, and dosage is little, in the test scope of medication, the target crop is not had harm.
Practice routine seven Flusilazoles and probenazole and the composite control pepper anthracnose test of pesticide effectiveness thereof
This EE is in north pass 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 10% Flusilazole aqueous emulsion (commercial), 30% probenazole wetting powder (commercial).
In the dispenser of pepper anthracnose their early stage, dispenser in per 7 days once is total to dispenser 3 times, and the investigation disease index is investigated disease index respectively after 7 days, 14 days after the 3rd dispenser before the dispenser, and the calculation correction preventive effect, and result of the test is following:
Table 6 Flusilazole and probenazole and the composite control pepper anthracnose test of pesticide effectiveness thereof
| Handle medicament | The preparation dosage | 7 days preventive effects (%) behind the last medicine | 14 days preventive effects (%) behind the last medicine |
| 60% Flusilazole probenazole wetting powder | 10 gram/mus | 94.38 | 96.76 |
| 15% Flusilazole probenazole water dispersible granules | 40 gram/mus | 93.07 | 95.64 |
| 10% Flusilazole aqueous emulsion | 40 gram/mus | 74.55 | 82.42 |
| 30% probenazole wetting powder | 50 gram/mus | 73.75 | 78.98 |
Can find out by table 6, Flusilazole, probenazole ability effectively preventing pepper anthracnose, control efficiency all is superior to contrasting medicament, and dosage is little, in the test scope of medication, the target crop is not had harm.
Claims (8)
1. the bactericidal composition of fluorine silicon azoles and probenazole; The weight ratio that it is characterized in that microbicide compositions effective active composition Flusilazole and probenazole is 4: 1～1: 12; Wherein by weight percentage, contain Flusilazole 1%～40%, probenazole 1%～80%.
2. the bactericidal composition of fluorine silicon azoles according to claim 1 and probenazole is characterized in that: by weight percentage, contain Flusilazole 1%～30%, probenazole 1%～60%.
3. the bactericidal composition of fluorine silicon azoles according to claim 2 and probenazole is characterized in that: by weight percentage, contain Flusilazole 5%～20%, probenazole 10%～60%.
4. the bactericidal composition of fluorine silicon azoles according to claim 3 and probenazole is characterized in that: by weight percentage, contain Flusilazole 5%～15%, probenazole 15%～50%.
5. the bactericidal composition of fluorine silicon azoles according to claim 1 and probenazole is characterized in that: microbicide compositions is processed wetting powder, water dispersible granules.
6. the bactericidal composition of fluorine silicon azoles according to claim 1 and probenazole is characterized in that: wherein effective active composition total content accounts for 1～95% of composition total weight.
7. the bactericidal composition of fluorine silicon azoles according to claim 6 and probenazole is characterized in that: wherein effective active composition total content accounts for 10～80% of composition total weight.
8. the bactericidal composition of fluorine silicon azoles according to claim 1 and probenazole is used to prevent and treat powdery mildew, anthracnose, ring spot, the scab of vegetables and fruit tree, the purposes of white rot.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1810115A (en) * | 2006-01-11 | 2006-08-02 | 天津久日化学工业有限公司 | Flusilazole-and kresoxim methyl bactericide composition and its prepn process |
| CN101194625A (en) * | 2006-12-07 | 2008-06-11 | 上海杜邦农化有限公司 | Agricultural composition containing flusilazole and cardendazim, and uses thereof |
| CN101379990A (en) * | 2008-07-04 | 2009-03-11 | 张少武 | Bactericide agent composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1810115A (en) * | 2006-01-11 | 2006-08-02 | 天津久日化学工业有限公司 | Flusilazole-and kresoxim methyl bactericide composition and its prepn process |
| CN101194625A (en) * | 2006-12-07 | 2008-06-11 | 上海杜邦农化有限公司 | Agricultural composition containing flusilazole and cardendazim, and uses thereof |
| CN101379990A (en) * | 2008-07-04 | 2009-03-11 | 张少武 | Bactericide agent composition |
Non-Patent Citations (1)
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| 陈彦等.防治辣椒根腐病杀菌剂筛选及盆栽药效试验.《农 药》.2008,第47卷(第7期),523－527. * |
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