CN103907605A - Composite synergic sterilization composition containing boscalid and bixafen and application thereof - Google Patents
Composite synergic sterilization composition containing boscalid and bixafen and application thereof Download PDFInfo
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- CN103907605A CN103907605A CN201210593150.9A CN201210593150A CN103907605A CN 103907605 A CN103907605 A CN 103907605A CN 201210593150 A CN201210593150 A CN 201210593150A CN 103907605 A CN103907605 A CN 103907605A
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- boscalid
- bacterium amine
- pyrrole bacterium
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Abstract
The invention discloses a composite synergic sterilization composition containing boscalid and bixafen and application thereof. The sterilization composition employs boscalid and bixafen as main effective components, and the weight ratio of boscalid to bixafen is 1-90:1-90. The sterilization composition is applicable to control diseases of cereal crops, vegetables and fruit trees, has relatively high cooperative synergic effect, helps to overcome and delay drug resistance of pathogens, is fast in sterilization speed, relatively long in persistent period and reduced in application cost, and has obviously better control effect than other singly-used reagents. The composite sterilization composition is applicable to control fungous diseases of crops, and especially applicable to fungous diseases such as wheat powdery mildew, grey mold, sclerotinia rot, rot disease, rust disease, septoria nodorum, net blotch, downy mildew, rice blast, damping-off disease and the like, and has relatively good effect than singly-used effective components.
Description
Technical field
The present invention relates to a kind of bactericidal composition and uses thereof, especially a kind of composite synergistic bactericidal composition and application thereof take Boscalid and biphenyl pyrrole bacterium amine as main active.
Background technology
Boscalid (Boscalid), is the novel nicotine acid amide fungicides of BASF Aktiengesellschaft's exploitation, the chloro-N-of chemical name: 2-(4'-chlordiphenyl-2-yl) vitamin PP, molecular formula: C
18h
12cl
2n
2o.Structural formula is as follows:
This bactericide fungicidal spectrum is wider, almost all types of fungal diseases are had to activity, very effective to preventing and treating powdery mildew, gray mold, stalk break and various rots etc., and the resistance bacterium to other medicaments is also effective, for rape, beans, bulb vegetables, leaf mustard, carrot, apple, lettuce, peanut, potato, drupe, strawberry, nut, wild cabbage, cucumber, peppermint, pea, roots vegetable, sunflower, grape, lawn, the control of the diseases such as other fruit trees, vegetables, field crop; Because its distinctive mechanism of action is difficult for producing cross resistance, to crop safety and favourable toxicity data and ecological effect, be the Novel tobacco acid amide fungicides of significant in addition.
Biphenyl pyrrole bacterium amine (Bixafen), molecular formula: C18H12Cl2F3N3O, chemical name: N-(3', the chloro-5-fluorine of 4'-bis-[1,1'-biphenyl]-2-yl)-3-difluoromethyl-1-methyl isophthalic acid H-pyrazole-4-carboxamide.Structural formula:
Biphenyl pyrrole bacterium amine is pyrazoles bactericide, is the systemic fungicide that a kind of novel wide spectrum, protection and therapeutic activity have concurrently.
The difficulty of prevention and cure of phytopathogen is increasing at present, and on the one hand, along with the change of pattern of farming, the economic crops cultivated areas such as melon and fruit, vegetables progressively expand, and disease occurrence degree, generation quantity all increase, and in control, difficulty strengthens; On the other hand, the resistance of pathogen rises year by year under lasting medicament selection pressure, and the control efficiency of single dose is had a greatly reduced quality, and control of plant disease is faced with significant challenge.
Summary of the invention
The object of the invention is for above-mentioned technical problem provide a kind of applied widely, cost is low, effective containing the composite synergistic plant bactericidal composition of Boscalid and biphenyl pyrrole bacterium amine.
A further object of the invention be to provide this bactericidal composition control plant epiphyte cause the application on fungal disease germ killing drugs, especially prevent and treat on the fungal diseases such as powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast, damping off purposes.
The object of the invention is to realize by following measures:
A kind of composite synergistic bactericidal composition containing Boscalid and biphenyl pyrrole bacterium amine, it contains Boscalid and biphenyl pyrrole bacterium amine, wherein Boscalid and biphenyl pyrrole bacterium amine weight ratio are 1 ~ 90:1 ~ 90, and wherein in bactericidal composition, effective ingredient is present in composition with synergy effective dose.
Described composite synergistic bactericidal composition, wherein Boscalid and biphenyl pyrrole bacterium amine weight ratio are preferably 5 ~ 70:10 ~ 80, more preferably 5 ~ 40:10 ~ 50.
In composite synergistic bactericidal composition of the present invention, the two percentage by weight that accounts for composition of Boscalid and biphenyl pyrrole bacterium amine is 2% ~ 90%.Preferably 15% ~ 70%.Further be preferably 20% ~ 50%.
Described composite synergistic bactericidal composition, is take Boscalid and biphenyl pyrrole bacterium amine as main active ingredient and known auxiliary agent and excipient are re-dubbed any one formulation allowing on agricultural chemicals.
These known auxiliary agents have emulsifier, wetting dispersing agent, suspending agent, disintegrant, binding agent etc.
The aforementioned emulsifier can be applicable in insecticides adjuvant of the present invention comprises but is not limited to calcium dodecyl benzene sulfonate, the rare block compound of polyoxyethylene polyoxy third, castor oil polyoxyethylene ether, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, phenethyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether and similar products thereof, aliphatic amine polyoxyethylene ether, fatty acid ethylene oxide adduct, phenethyl phenol polyethenoxy ether polyethenoxy ether, alkylphenol polyoxyethylene formaldehyde condensation products etc., and the phosphate of above-mentioned wherein part material and in and salt.Concrete kind as: agriculture breast 500# series, 600# series, 400# series, 1600# series, NP series, OP series, AEO series, By series, this dish series, tween is serial, polyethylene glycol is serial etc.
The aforementioned wetting dispersing agent can be applicable in insecticides adjuvant of the present invention includes, but are not limited to one or more in sodium lignin sulfonate, calcium lignosulfonate, alkylnaphthalene sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products, Abietyl quaternary ammonium salt, alkylphenol polyoxyethylene phosphate, saponin, the withered powder of tea, fatty alcohol polyoxyethylene ether sulfate, lauryl sodium sulfate, neopelex, polycarboxylic acid salt and high molecular comb shape compound etc.
It is aforementioned that to can be applicable to excipient of the present invention be one or more in water, solvent or filler.
Described solvent includes, but are not limited to one or more of toluene, dimethylbenzene, solvent naphtha series, mixed methylnaphthalene, turpentine oil, vegetable oil, methyl oleate, carrene, chloroform, methyl alcohol, ethanol, isopropyl alcohol, n-butanol, cyclohexanone, isophorone, pyrrolidones, tetrahydrofurfuryl alcohol, acetic acid dimethyl ester, acetophenone, ethyl acetate, DMF, dimethyl sulfoxide (DMSO), water etc.
Described filler is selected from one or more of white carbon, kaolin, precipitated calcium carbonate, diatomite, corn starch, quartz sand, talcum powder, ammonium sulfate, sodium sulphate, sodium chloride, potassium chloride, fine particle calcium carbonate etc.
As required, also can add the functional aids such as antifreezing agent, thickener, stabilizing agent, defoamer.
Described antifreezing agent is selected from one or more of ethylene glycol, propane diols, urea, diethylene glycol (DEG), glycerine etc.
Described thickener is selected from one or more of xanthans, polyvinyl alcohol, organobentonite, CMC, aluminium-magnesium silicate etc.
Above auxiliary agent, excipient and other auxiliary material can alone or and use.
Described composite synergistic bactericidal composition, its formulation is water dispersible granules, wetting powder, wet seed dressing, missible oil, suspending agent, oil suspending agent, suspension emulsion, suspension seed-coating agent, aqueous emulsion, microemulsion.
The application of described composite synergistic bactericidal composition aspect control Cereal, fruit tree, vegetable crop disease.
The present composition scope of application increases, and the disease that is applicable to prevent and treat Cereal, fruit tree, vegetables, particularly prevents and treats powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast, damping off.Bactericidal composition of the present invention has good control efficiency to sac fungi, basidiomycetes, imperfect fungus and Oomycete fungal disease; And suppress insect or the drug-fast generation of fungi to unitary agent (Boscalid and biphenyl pyrrole bacterium amine are arbitrary).
Bactericidal composition of the present invention is prevented and treated the application on resistance fungi in preparation, especially all has significant effect in the application that prevents and treats powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast, damping off.Above-mentioned bactericidal composition can produce higher synergistic function, and the consumption of the independent reactive compound of amount ratio of this mixture reduces greatly, and the activity of mixture is greater than the activity of independent component.
Compared with prior art beneficial effect of the present invention:
(1) compared with single dose, said composition antagonism fungal disease has obvious synergistic function as fungal diseases such as powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast, damping offs, overcome and delayed pesticide resistance, expanding prevention spectrum, has obviously improved control efficiency; (2) reduce control recruitment, drug cost; (3) alternative routine and the easily agricultural chemicals of generation resistance; (4), compared with single dose, produce and use cost reduction; (5) the drug-fast generation of Antifungi, its successful uses higher than its single dose.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and in embodiment, the preparation method of formulation is conventional method, and " % " of the present invention is all weight percentage.
Two kinds of reactive compounds can be processed into any one formulation of permission, and below with two kinds of preparations that active ingredient is processed into of specific embodiment explanation, but the preparation that these two kinds of active components can be processed is not limited only to following listed.
Embodiment 1:
By Boscalid 15g, biphenyl pyrrole bacterium amine 30g, sodium lignin sulfonate 4, lauryl sodium sulfate 2g, white carbon 2g, corn starch adds to 100g, and being mixed with weight percentage according to conventional formulation method is 45% water dispersible granules.
Embodiment 2:
Take 5g Boscalid, 20g biphenyl pyrrole bacterium amine, phenethyl phenol polyethenoxy ether phosphate 3g, alkylphenol polyoxyethylene 2g, C5 ~ C8 solvent 13g, ethylene glycol 5g, adds water to 100g.Being mixed with weight percentage according to conventional formulation method is 25% aqueous emulsion.
Embodiment 3:
Take 10g Boscalid, 10g biphenyl pyrrole bacterium amine, calcium dodecyl benzene sulfonate 6g, neopelex 3g, alkylphenol polyoxyethylene 1g, vegetable oil 15g, propane diols 10g, add water to 100g.Being mixed with weight percentage according to conventional formulation method is 20% microemulsion.
Embodiment 4:
Take 15g Boscalid, 5g biphenyl pyrrole bacterium amine, phenethyl phenol polyethenoxy ether phosphate 3g, alkylphenol polyoxyethylene 1g, xanthans 0.1g, propane diols 5g, add water to 100g.Being mixed with weight percentage according to conventional formulation method is 20% suspending agent.
Embodiment 5:
Take 40g Boscalid, 10g biphenyl pyrrole bacterium amine, sodium lignin sulfonate 5g, calcium dodecyl benzene sulfonate 2g, kaolin are to 100g.Being mixed with weight percentage according to conventional formulation method is 50% wetting powder.
Embodiment 6:
Take 5g Boscalid, 10g biphenyl pyrrole bacterium amine, calcium dodecyl benzene sulfonate 8g, phenethyl phenol polyethenoxy ether 5g, C5 ~ C8 solvent are to 100g.Being mixed with weight percentage according to conventional formulation method is 15% missible oil.
Embodiment 7:
Take 10g Boscalid, 20g biphenyl pyrrole bacterium amine, phenethyl phenol polyethenoxy ether phosphate 3g, alkylphenol polyoxyethylene 1g, organobentonite 1g, propane diols 5g, vegetable oil complements to 100g.Being mixed with weight percentage according to conventional formulation method is 30% oil suspending agent.
Embodiment 8:
Take 20g Boscalid, 30g biphenyl pyrrole bacterium amine, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, white carbon 3g, fine particle calcium carbonate complement to 100g, and being mixed with weight percentage according to conventional formulation method is 50% water dispersible granules.
Embodiment 9:
Take 40g Boscalid, 30g biphenyl pyrrole bacterium amine, sodium lignin sulfonate 8g, lauryl sodium sulfate 2g, ammonium sulfate 5g, kaolin complements to 100g, and being mixed with weight percentage according to conventional formulation method is 70% wet seed dressing.
Embodiment 10:
Take 5g Boscalid, 15g biphenyl pyrrole bacterium amine, sodium lignin sulfonate 4g, polyoxyethylene poly-oxygen propylene aether 2g, xanthans 0.15g, propane diols 5g, aluminium-magnesium silicate 0.5g, water complements to 100g, and being mixed with weight percentage according to conventional formulation method is 20% suspension seed-coating agent.
Embodiment 11:
Take 20g Boscalid, 10g biphenyl pyrrole bacterium amine, calcium dodecyl benzene sulfonate 1g, alkylphenol polyoxyethylene phosphate 3g, aliphatic acid polyethenoxy ether 2g, organobentonite 1g, propane diols 5g, vegetable oil 10g, water complement to 100g.Being mixed with weight percentage according to conventional formulation method is 30% suspension emulsion.
Embodiment 12 biological activity determinations
In indoor employing mycelial growth rate method, measure the EC of different medicaments to bacterial strain
50value, adopts co-toxicity coefficient computational methods, calculates the co-toxicity coefficient (CTC) of mixture, determines the synergy of mixture, and circular is as follows:
(conventionally select EC take a certain single dose in mixture as standard medicament
50junior), calculate:
Single dose toxicity index=standard medicament EC
50/ certain single dose EC
50× 100
Toxicity index × B single dose proportion in mixture of toxicity index × A single dose proportion+B single dose in mixture of theoretical toxicity index=A single dose
The EC of actual measurement toxicity index=standard single dose
50the EC of value/mixture
50value × 100
Co-toxicity coefficient=actual measurement toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient classification: CTC is greater than 120 o'clock mixtures and has synergetic, and it is antagonism that CTC is less than at 80 o'clock, and CTC is summation action between 80-120.
The indoor biometrics result of the different proportionings of table 1 Boscalid+biphenyl pyrrole bacterium amine to rice blast
| Medicament | EC50（mg/L） | Actual measurement toxicity index | Theoretical coefficient | Co-toxicity coefficient |
| Boscalid (A) | 29.03 | 100 | - | |
| Biphenyl pyrrole bacterium amine (B) | 40.35 | 71.945 | - | |
| A:B=10:1 | 22.03 | 131.77 | 97.45 | 135.22 |
| A:B=5:1 | 22.34 | 129.95 | 95.324 | 136.32 |
| A:B=3:1 | 23.66 | 122.7 | 92.986 | 131.95 |
| A:B=1:1 | 24.43 | 118.83 | 85.973 | 138.22 |
| A:B=1:2 | 26.09 | 111.27 | 81.297 | 146.87 |
| A:B=1:4 | 28.87 | 100.55 | 77.556 | 129.65 |
| A:B=1:8 | 31.09 | 93.374 | 75.063 | 124.39 |
Result of the test explanation, Boscalid and the composite rice blast of preventing and kill off of biphenyl pyrrole bacterium amine, proportioning all has synergistic effect in said ratio, and wherein the synergistic effect of proportioning 1:2 is the most remarkable.
The indoor biometrics result of the different proportionings of table 2 Boscalid+biphenyl pyrrole bacterium amine to powdery mildew of cucumber
| Medicament | EC50（mg/L） | Actual measurement toxicity index | Theoretical coefficient | Co-toxicity coefficient |
| Boscalid (A) | 27.54 | 100 | - | |
| Biphenyl pyrrole bacterium amine (B) | 37.89 | 72.684 | - | |
| A:B=10:1 | 21.54 | 127.86 | 97.517 | 131.11 |
| A:B=5:1 | 22.01 | 125.12 | 95.447 | 131.09 |
| A:B=3:1 | 22.78 | 120.9 | 93.171 | 129.76 |
| A:B=1:1 | 23.63 | 116.55 | 86.342 | 134.98 |
| A:B=1:2 | 24.09 | 114.32 | 81.789 | 139.78 |
| A:B=1:4 | 28.87 | 95.393 | 78.147 | 122.07 |
| A:B=1:8 | 30.22 | 91.132 | 75.719 | 120.35 |
Result of the test explanation, Boscalid and the composite powdery mildew of cucumber of preventing and kill off of biphenyl pyrrole bacterium amine, proportioning all has synergistic effect in said ratio, and wherein the synergistic effect of proportioning 1:2 is the most remarkable.
Known by above test, the present invention has good synergistic effect to plant disease.
Field control effectiveness test:
The pesticide mixed preparation making with embodiment 1-4 on the basis of indoor biometrics has carried out respectively the field medicine effect test of control rice blast and powdery mildew of cucumber.
1, test is processed: this test medicine consumption is established respectively three concentration for the treatment of according to the difference of each composition, and contrast medicament is respectively agricultural chemicals single dose 50% Boscalid WDG and 10% biphenyl pyrrole bacterium amine WP and the test of blank clear water.
2, test method: each community area is 66.7m
2, repeat 3 times; Investigation drug effect method before dispenser after Investigation and Prevention is: random sampling 5 points in test treatment region, carry out severity Scaling according to national field trial relevant criterion, and calculate preventive effect.
Severity Scaling standard:
0 grade: without scab;
1 grade: lesion area accounts for below 5% of whole leaf area;
3 grades: lesion area accounts for the 6%-10% of whole leaf area;
5 grades: lesion area accounts for the 11%-25% of whole leaf area;
7 grades: lesion area accounts for the 26%-50% of whole leaf area;
9 grades: lesion area accounts for the more than 50% of whole leaf area.
Disease index=100 × ∑ (the sick numbers of sheets at different levels × typical values at different levels)/(investigating total number of sheets × highest typical value)
3, result of the test sees the following form 3 and table 4:
The field efficacy result of table 3 Boscalid-biphenyl pyrrole bacterium amine composition to rice blast
Note: a, b, c, d represent the otherness on 0.05 aqua.
The field efficacy result of table 4 Boscalid-biphenyl pyrrole bacterium amine composition to powdery mildew of cucumber
Note: a, b, c, d represent the otherness on 0.05 aqua.
Result by indoor biometrics and field medicine effect test shows, Boscalid and biphenyl pyrrole bacterium amine composition have obvious synergistic function, the control efficiency of composition is good, and control efficiency is all better than single dose kind, in agricultural application, has good using value.
Claims (9)
1. containing a composite synergistic bactericidal composition for Boscalid and biphenyl pyrrole bacterium amine, it is characterized in that containing Boscalid and biphenyl pyrrole bacterium amine, wherein the weight ratio of Boscalid and biphenyl pyrrole bacterium amine is 1 ~ 90:1 ~ 90.
2. the composite synergistic bactericidal composition containing Boscalid and biphenyl pyrrole bacterium amine according to claim 1, is characterized in that the weight ratio of Boscalid and biphenyl pyrrole bacterium amine is 5 ~ 70:10 ~ 80.
3. the composite synergistic bactericidal composition containing Boscalid and biphenyl pyrrole bacterium amine according to claim 2, is characterized in that described Boscalid and the weight ratio of biphenyl pyrrole bacterium amine are 5 ~ 40:10 ~ 50.
4. the composite synergistic bactericidal composition containing Boscalid and biphenyl pyrrole bacterium amine according to claim 1, is characterized in that the two weight percentage that accounts for composition of Boscalid and biphenyl pyrrole bacterium amine is 2% ~ 90%.
5. the composite synergistic bactericidal composition that contains Boscalid and biphenyl pyrrole bacterium amine according to claim 4, is characterized in that the two weight percentage that accounts for composition of Boscalid and biphenyl pyrrole bacterium amine is 15% ~ 70%, is preferably 20% ~ 50%.
6. the composite synergistic bactericidal composition containing Boscalid and biphenyl pyrrole bacterium amine according to claim 1, is characterized in that take Boscalid and biphenyl pyrrole bacterium amine as main active ingredient and insecticides adjuvant, excipients are mixed with any one formulation allowing on agricultural chemicals.
7. the composite synergistic bactericidal composition containing Boscalid and biphenyl pyrrole bacterium amine according to claim 6, is characterized in that described formulation is water dispersible granules, wetting powder, wet seed dressing, missible oil, suspending agent, oil suspending agent, suspension emulsion, suspension seed-coating agent, aqueous emulsion or microemulsion.
8. the application of the composite synergistic bactericidal composition containing Boscalid and biphenyl pyrrole bacterium amine claimed in claim 1 on the germ killing drugs of preparation control resistance plant fungal disease.
9. the composite synergistic bactericidal composition containing Boscalid and biphenyl pyrrole bacterium amine according to claim 8 is prevented and treated the application on the fungal disease germ killing drugs of powdery mildew, gray mold, stalk break, rot, rust, Ying's rot, net blotch, downy mildew, rice blast, damping off in preparation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402937A (en) * | 2019-08-19 | 2019-11-05 | 河南省农业科学院植物保护研究所 | A kind of microbicide compositions and its application of the bacterium amine of pyrrole containing biphenyl and dimoxystrobin |
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| US5589493A (en) * | 1991-11-22 | 1996-12-31 | Basf Aktiengesellschaft | Anilide derivatives and their use for combating botrytis |
| US20070060579A1 (en) * | 2003-10-10 | 2007-03-15 | Ulrike Wachendorff-Neumann | Synergistic fungicidal active substance combinations |
| CN102256492A (en) * | 2008-12-16 | 2011-11-23 | 巴斯夫欧洲公司 | Synergistic fungicidal mixtures |
-
2012
- 2012-12-31 CN CN201210593150.9A patent/CN103907605A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5589493A (en) * | 1991-11-22 | 1996-12-31 | Basf Aktiengesellschaft | Anilide derivatives and their use for combating botrytis |
| US20070060579A1 (en) * | 2003-10-10 | 2007-03-15 | Ulrike Wachendorff-Neumann | Synergistic fungicidal active substance combinations |
| CN102256492A (en) * | 2008-12-16 | 2011-11-23 | 巴斯夫欧洲公司 | Synergistic fungicidal mixtures |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402937A (en) * | 2019-08-19 | 2019-11-05 | 河南省农业科学院植物保护研究所 | A kind of microbicide compositions and its application of the bacterium amine of pyrrole containing biphenyl and dimoxystrobin |
| CN110402937B (en) * | 2019-08-19 | 2021-03-02 | 河南省农业科学院植物保护研究所 | Bactericide composition containing bixafen and dimoxystrobin and application thereof |
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Application publication date: 20140709 |