CN103583537A - Sterilization composition containing metconazole and pyraclostrobin and application of sterilization composition - Google Patents
Sterilization composition containing metconazole and pyraclostrobin and application of sterilization composition Download PDFInfo
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- CN103583537A CN103583537A CN201310503983.6A CN201310503983A CN103583537A CN 103583537 A CN103583537 A CN 103583537A CN 201310503983 A CN201310503983 A CN 201310503983A CN 103583537 A CN103583537 A CN 103583537A
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- pyraclostrobin
- metconazole
- bactericide
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Abstract
The invention discloses a sterilization composition containing metconazole and pyraclostrobin and application of the sterilization composition. The sterilization composition takes the metconazole and the pyraclostrobin as main effective components, wherein the weight ratio of the metconazole to the pyraclostrobin is (1-60):(1-80). The sterilization composition is applied to the control of wheat scab, has a high synergistic interaction effect, overcomes and delays the drug resistance of bacteria, is high in sterilization speed and long in lasting period and has a control effect remarkably superior to that of a single agent, and the application cost of the sterilization composition is reduced.
Description
Technical field:
The present invention relates to a kind of bactericidal composition and uses thereof, especially a kind ofly take bactericidal composition and the application thereof that metconazole and pyraclostrobin be main active.
Background technology
Metconazole (metconazole), chemical name: 5-(4-chlorphenyl)-2,2-dimethyl-1-(1,2,4-triazol-1-yl methyl)-cyclopentanol, molecular formula: C
17h
22clN
3o, chemical structural formula is as follows:
Metconazole belongs to triazole bactericidal agent, is C-14 demethylation enzyme inhibitor in ergosterol biosynthesis, although the mechanism of action is the same with other triazole bactericidal agents, activity is larger.Its two kinds of isomer have bactericidal activity, but cis activity is higher than trans.The antifungal spectrum of metconazole is very extensive, and activity is higher, and prevention, result for the treatment of are all good.Be mainly used in preventing and treating wheat septoria, fringe sickle-like bacteria, leaf rust, yellow rust, powdery mildew, glume blight, the short shape rust of barley, powdery mildew, Rhynchosporium spp．, rye Rhynchosporium spp．, leaf rust, crown hull sugar, to Septoria and rust superior activity.Have good protection and therapeutic action concurrently.It is very wide that disease scope is planted in the extremely low and control of dosage.
Pyraclostrobin (Pyraclostrobine), chemical name: N-[2-[[1-(4-chlorphenyl) pyrazole-3-yl] oxygen methyl] phenyl]-N-methoxyl group methyl carbamate, molecular formula: C
19h
18clN
3o
4, structural formula:
Pyraclostrobin is a kind of novel pyrazole ether-ether class wide-spectrum bactericide, belongs to mitochondrial respiratory inhibitor, and multiple fungal disease is all had to prevention and result for the treatment of well, and former medicine low toxicity, preparation are poisoning.This medicine effect is rapid, lasting medicine, right under recommended dose
cropsafety, and can bring out to a certain extent plant and show potential resistance against diseases.Can promote the absorption of plant to nitrogen and carbon, strengthen anti-oxidant reaction, reduce ethene synthetic, and then pyraclostrobin is applicable to multiple gourd, fruit and vegetable, many kinds of fungal diseases are all had to good control efficiency.In producing at present, be mainly used in preventing and treating the fungal diseases such as downy mildew, powdery mildew, anthracnose, epidemic disease, leaf mold, downy mildew, head blight.
At present, the disease occurrence degree of wheat scab, generation quantity increase, and are are objectively preventing and treating difficulty increasing; On the other hand, SM causes the resistance of pathogen to rise year by year under lasting medicament selection pressure, and conventional single dose is prevented and treated wheat scab effect and had a greatly reduced quality; The 3rd, the speed to introduce of new varieties of pesticides obviously declines at present, and lacks new action target medicament; The 4th, strict gradually due to environmental requirement, portioned product is limited to use, and causes medication selectivity to become less.In a word, the control of wheat scab is the important topic that vast plant protection work person faces.
Summary of the invention:
The object of the invention is for above-mentioned technical problem provide a kind of applied widely, cost is low, the effective plant bactericidal composition containing metconazole and pyraclostrobin.
A further object of the invention is to provide this bactericidal composition in the application preventing and treating in wheat scab.
The object of the invention is to realize by following measures:
, by metconazole and pyraclostrobin, formed, wherein the weight ratio of metconazole and pyraclostrobin is 1～60:1～80, preferred 1～30:5～40, further preferably 1～20:5～30, particularly preferably 1:0.5～10.
, take bactericidal composition of the present invention as active ingredient, and insecticides adjuvant, excipients are mixed with any one formulation allowing on agricultural chemicals.
Described auxiliary agent has emulsifier, wetting dispersing agent, suspending agent, defoamer, disintegrant, binding agent etc.
Wherein, described emulsifier comprises but is not limited to calcium dodecyl benzene sulfonate, the rare block compound of polyoxyethylene polyoxy third, castor oil polyoxyethylene ether, alkylphenol polyoxyethylene polyethenoxy ether, Ben-zylphenol Polyoxyethyl Ether, phenethyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether, phenethyl phenol polyethenoxy ether polyethenoxy ether, alkylphenol polyoxyethylene formaldehyde condensation products etc., and phosphate and the neutralized salt of above-mentioned wherein part material.Concrete kind as: agriculture breast 500# series, 600# is serial, 400# is serial, 1600# is serial, NP is serial, OP is serial, AEO is serial, By is serial, this dish series, tween are serial etc.
Wetting dispersing agent 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.
Excipient is 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) 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 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, bentonite, CMC, aluminium-magnesium silicate.
The weight percentage of described bactericidal composition in described bactericide is 2～90%, preferably 5～70%, further preferably 6～50%, particularly preferably preferably 6～40%.
The preferred missible oil of described formulation, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule.
Bactericidal composition of the present invention is prevented and treated the application in the medicine of wheat scab in preparation.
The application of bactericide of the present invention in preventing and treating wheat scab.
Beneficial effect of the present invention:
The present invention's metconazole used is triazole type series bactericidal agent, and pyraclostrobin is methoxy acrylic bactericide, is mutually mixed and can not produces low touch, can Synergistic, greatly reduce dosage, and slow down resistance and reduce costs.
Bactericidal composition of the present invention has good control efficiency to wheat scab, because Synergistic causes consumption, reduces, and can unitary agent (metconazole and pyraclostrobin are arbitrary) be developed immunity to drugs Antifungi.
" % " of the present invention is mass percent.
Embodiment:
Below in conjunction with embodiment, the invention will be further described, and in embodiment, the preparation method of formulation is conventional laboratory's formulation method.
Embodiment 1:
By metconazole 3g, pyraclostrobin 30g, sodium lignin sulfonate dispersant 6g, dispersing agent NNO (sodium methylene bis-naphthalene sulfonate) 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and making main active ingredient weight percentage is 33% wetting powder.
Embodiment 2:
By metconazole 5g, pyraclostrobin 25g, sodium lignin sulfonate dispersant 6g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and making main active ingredient weight percentage is 30% wetting powder.
Embodiment 3:
By metconazole 10g, pyraclostrobin 20g, sodium lignin sulfonate dispersant 6g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and making main active ingredient weight percentage is 30% wetting powder.
Embodiment 4:
Take metconazole 15g, pyraclostrobin 15g, sodium lignin sulfonate dispersant 6g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and making main active ingredient weight percentage is 30% wetting powder.
Embodiment 5:
Take metconazole 20g, pyraclostrobin 10g, sodium lignin sulfonate dispersant 6g, dispersing agent NNO 4g, white carbon 5g, kaolin adds to 100g mixture and carries out air-flow crushing, and making main active ingredient weight percentage is 30% wetting powder.
Embodiment 6:
Take 1g metconazole, 5g pyraclostrobin, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, solvent 13g, adds water to 100g.The method of above raw material being prepared routinely to aqueous emulsion drops into the mixing of mixing kettle high speed, and making main active ingredient weight percentage is 6% metconazole-pyraclostrobin aqueous emulsion.
Embodiment 7:
Take 50g metconazole, 20g pyraclostrobin, sodium lignin sulfonate 8g, polycarboxylate salt dispersant 2g, lauryl sodium sulfate 1g, ammonium sulfate 5g, corn starch complement to 100g.The method that above raw material is prepared to water dispersion granule routinely first mixes, cross air-flow crushing afterwards, finally mediate granulation, and making main active ingredient weight percentage is 70% metconazole-pyraclostrobin water dispersion granule.
Embodiment 8:
Take 2g metconazole, 40g pyraclostrobin, sodium lignin sulfonate 8g, polycarboxylate salt dispersant 2g, lauryl sodium sulfate 1g, ammonium sulfate 5g, corn starch complement to 100g.The method that above raw material is prepared to water dispersion granule routinely first mixes, cross air-flow crushing afterwards, finally mediate granulation, and making main active ingredient weight percentage is 70% metconazole-pyraclostrobin water dispersion granule.
Embodiment 9:
Take 5g metconazole, 20g pyraclostrobin, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether phosphate 3g, agriculture breast 33#2g, alkylphenol polyoxyethylene 1g, isopropyl alcohol 10g, adds water to 100g.The method that above raw material is prepared to microemulsion routinely drops in mixing kettle mixes, and making main active ingredient weight percentage is 25% metconazole-pyraclostrobin microemulsion.
Embodiment 10:
Take 5g metconazole, 0.5g pyraclostrobin, calcium dodecyl benzene sulfonate 6g, phenethyl phenol polyethenoxy ether 7g, solvent naphtha are to 100g.The method that above raw material is prepared to missible oil routinely drops in mixing kettle mixes, and making main active ingredient weight percentage is 5.5% metconazole-pyraclostrobin missible oil.
Embodiment 11:
Take 5g metconazole, 30g pyraclostrobin, lignin 2g, polyoxyethylene poly-oxygen propylene aether and sulphate 4g thereof, xanthans 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, water complements to 100g, and under the effect of sand mill, making main active ingredient weight percentage is 20% metconazole-pyraclostrobin suspending agent.
Embodiment 12:
Take 10g metconazole, 10g pyraclostrobin, lignin 2g, polyoxyethylene poly-oxygen propylene aether and sulphate 4g thereof, xanthans 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, water complements to 100g, and under the effect of sand mill, making main active ingredient weight percentage is 20% metconazole-pyraclostrobin suspending agent.
Embodiment 13:
Take 30g metconazole, 12g pyraclostrobin, lignin 2g, polyoxyethylene poly-oxygen propylene aether and sulphate 4g thereof, xanthans 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, water complements to 100g, and under the effect of sand mill, making main active ingredient weight percentage is 42% metconazole-pyraclostrobin suspending agent.
Embodiment 14:
Take 2g metconazole, 5g pyraclostrobin, the 8g of wooden sodium sulfonate, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, diatomite 28g complements to 100g, and it is 7% metconazole-pyraclostrobin water dispersion granule that above raw material is made to main active ingredient weight percentage by water dispersible granular agent method.
Embodiment 15:
Take 4g metconazole, 13g pyraclostrobin, the 8g of wooden sodium sulfonate, lauryl sodium sulfate 2g, ammonium sulfate 5g, polyvinyl alcohol 5g, borax 2g, diatomite 28g complements to 100g, and it is 17% metconazole-pyraclostrobin water dispersion granule that above raw material is made to main active ingredient weight percentage by water dispersible granular agent method.
Embodiment 16:
Take 5g metconazole, 15g pyraclostrobin, lignin 2g, polyoxyethylene poly-oxygen propylene aether and sulphate 4g thereof, xanthans 0.15g, ethylene glycol 5g, silica ethane 0.10g, aluminium-magnesium silicate 0.5g, water complements to 100g, and under the effect of sand mill, making main active ingredient weight percentage is 20% metconazole-pyraclostrobin suspending agent.
Embodiment 17
With metconazole and the former medicine of pyraclostrobin, carry out indoor biometrics test:
Indoor, take wheat scab as test strain, adopt mycelial growth rate method, measure different medicaments to concentration EC in the inhibition of bacterial strain
50value, adopts the abundant co-toxicity coefficient computational methods of Sun Yun, calculates the co-toxicity coefficient (CTC) of mixture, determines the synergy of mixture,
Computational methods are as follows:
1. a certain single dose of take in mixture (is selected EC conventionally as standard medicament
50junior), calculate:
2. single dose toxicity index=standard medicament EC
50/ certain single dose EC in addition
50* 100
3. toxicity index * B single dose proportion in mixture of toxicity index * A single dose of theoretical toxicity index=A single dose proportion+B single dose in mixture.
4. survey the EC of toxicity index=standard single dose
50the EC of value/mixture
50value * 100
5. co-toxicity coefficient CTC=surveys toxicity index/theoretical toxicity index * 100
According to the numerical value of CTC, evaluate the value of mixture, CTC is greater than at 120 o'clock and shows that mixture has synergetic, CTC is less than at 80 o'clock and shows that mixture has Antagonism, CTC shows that between 80-120 mixture has summation action, generally speaking, the CTC>120 of mixture is the basic demand of agriculture chemical compounding research and development.
Indoor biometrics result is as follows:
Table 1: the indoor biometrics result of the different proportionings of metconazole+pyraclostrobin to wheat scab
Result of the test explanation, the composite wheat scab of preventing and treating of metconazole and pyraclostrobin all has synergistic effect in said ratio.
Field control effectiveness test:
Indoor biometrics shows good Pesticidal composition, must carry out actual field medicine effect test, field medicine effect test is the important means that whether final evaluation Pesticidal composition has using value under the impact of field integrated environment, therefore the pesticide mixed preparation, making with embodiment on the basis of indoor biometrics has carried out preventing and treating the field medicine effect test of wheat scab.
Metconazole proportionings different from pyraclostrobin in testing according to raw test make preparation and carry out the test of pesticide effectiveness, and contrast medicament is respectively 10% pyraclostrobin EC and 5% metconazole EC and the test of blank clear water.Each community area is 66.7m
2, repeat 3 times; Inspection drug effect method before dispenser after Investigation and Prevention is: in test treatment region, adopt accidental sampling, sample 5 points, 0.5 square metre every, check damage degree of wheat scab.
Table 2: the field control effectiveness test of the different proportionings of metconazole+pyraclostrobin to wheat scab:
Result by indoor biometrics and field medicine effect test shows, metconazole and pyraclostrobin 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 (10)
1. a bactericidal composition, is characterized in that being comprised of metconazole and pyraclostrobin, and wherein the weight ratio of metconazole and pyraclostrobin is 1～60:1～80.
2. bactericidal composition according to claim 1, the weight ratio that it is characterized in that metconazole and pyraclostrobin is 1～30:5～40.
3. bactericidal composition according to claim 2, is characterized in that described metconazole and the weight ratio of pyraclostrobin are 1～20:5～30, preferably 1:0.5～10.
4. a bactericide, it is characterized in that take that in claim 1～3, the bactericidal composition described in any one is active ingredient, and insecticides adjuvant, excipients is mixed with any one formulation allowing on agricultural chemicals.
5. bactericide according to claim 4, is characterized in that in claim 1～3, the weight percentage of the bactericidal composition described in any one in described bactericide is 2～90%.
6. bactericide according to claim 5, is characterized in that in claim 1～3, the weight percentage of the bactericidal composition described in any one in described bactericide is 5～70%.
7. bactericide according to claim 6, is characterized in that in claim 1～3, the weight percentage of the bactericidal composition described in any one in described bactericide is 6～50%, further preferably 6～40%.
8. bactericide according to claim 4, is characterized in that described formulation is missible oil, suspending agent, aqueous emulsion, wetting powder, microemulsion or water dispersion granule.
9. bactericidal composition claimed in claim 1 is prevented and treated the application in the medicine of wheat scab in preparation.
10. the application of bactericide claimed in claim 4 in preventing and treating wheat scab.
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Cited By (9)
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| CN104186512A (en) * | 2014-09-22 | 2014-12-10 | 江苏省绿盾植保农药实验有限公司 | Sterilization composition and application thereof |
| CN104186487A (en) * | 2014-09-22 | 2014-12-10 | 江苏省绿盾植保农药实验有限公司 | Sterilizing agent containing metconazole and oligosaccharide and application thereof |
| CN104604927A (en) * | 2015-01-30 | 2015-05-13 | 北农（海利）涿州种衣剂有限公司 | Seed-treating agent containing clothianidin, pyraclostrobin and metconazole |
| CN107969434A (en) * | 2018-01-08 | 2018-05-01 | 江苏徐淮地区淮阴农业科学研究所 | A kind of bactericidal composition containing metconazole, fluxapyroxad and pyraclostrobin |
| CN107980793A (en) * | 2018-01-08 | 2018-05-04 | 江苏徐淮地区淮阴农业科学研究所 | A kind of bactericidal composition containing metconazole, benzo alkene fluorine bacterium azoles and pyraclostrobin |
| CN108835116A (en) * | 2018-07-25 | 2018-11-20 | 安徽华星化工有限公司 | One kind microbicide compositions containing Yekuzuo and its application |
| CN110505806A (en) * | 2017-05-04 | 2019-11-26 | 江苏龙灯化学有限公司 | Fungicidal composition and application thereof |
| CN113615699A (en) * | 2021-08-13 | 2021-11-09 | 韩农(黑龙江)化工有限公司 | Bactericidal composition containing metconazole and pyraclostrobin and preparation method and application thereof |
| CN114041473A (en) * | 2021-07-01 | 2022-02-15 | 上海赫腾精细化工有限公司 | Bactericidal composition containing metconazole and pyraclostrobin and application thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186512A (en) * | 2014-09-22 | 2014-12-10 | 江苏省绿盾植保农药实验有限公司 | Sterilization composition and application thereof |
| CN104186487A (en) * | 2014-09-22 | 2014-12-10 | 江苏省绿盾植保农药实验有限公司 | Sterilizing agent containing metconazole and oligosaccharide and application thereof |
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| CN104604927A (en) * | 2015-01-30 | 2015-05-13 | 北农（海利）涿州种衣剂有限公司 | Seed-treating agent containing clothianidin, pyraclostrobin and metconazole |
| CN110505806A (en) * | 2017-05-04 | 2019-11-26 | 江苏龙灯化学有限公司 | Fungicidal composition and application thereof |
| CN110505806B (en) * | 2017-05-04 | 2022-08-02 | 江苏龙灯化学有限公司 | Fungicidal compositions and their use |
| CN107969434A (en) * | 2018-01-08 | 2018-05-01 | 江苏徐淮地区淮阴农业科学研究所 | A kind of bactericidal composition containing metconazole, fluxapyroxad and pyraclostrobin |
| CN107980793A (en) * | 2018-01-08 | 2018-05-04 | 江苏徐淮地区淮阴农业科学研究所 | A kind of bactericidal composition containing metconazole, benzo alkene fluorine bacterium azoles and pyraclostrobin |
| CN108835116A (en) * | 2018-07-25 | 2018-11-20 | 安徽华星化工有限公司 | One kind microbicide compositions containing Yekuzuo and its application |
| CN114041473A (en) * | 2021-07-01 | 2022-02-15 | 上海赫腾精细化工有限公司 | Bactericidal composition containing metconazole and pyraclostrobin and application thereof |
| CN114041473B (en) * | 2021-07-01 | 2023-05-05 | 上海赫腾精细化工有限公司 | Sterilization composition containing metconazole and pyraclostrobin and application thereof |
| CN113615699A (en) * | 2021-08-13 | 2021-11-09 | 韩农(黑龙江)化工有限公司 | Bactericidal composition containing metconazole and pyraclostrobin and preparation method and application thereof |
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Application publication date: 20140219 |