CN104106575B - A kind of bactericidal composition containing pungent bacterium amine and olefin conversion - Google Patents
A kind of bactericidal composition containing pungent bacterium amine and olefin conversion Download PDFInfo
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- CN104106575B CN104106575B CN201410370261.2A CN201410370261A CN104106575B CN 104106575 B CN104106575 B CN 104106575B CN 201410370261 A CN201410370261 A CN 201410370261A CN 104106575 B CN104106575 B CN 104106575B
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- bacterium amine
- olefin conversion
- bactericidal composition
- pungent bacterium
- pungent
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- 239000000203 mixture Substances 0.000 title claims abstract description 38
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 35
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 150000001336 alkenes Chemical class 0.000 title claims abstract description 32
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- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of bactericidal composition containing pungent bacterium amine and olefin conversion, the active ingredient of described bactericidal composition is made up of pungent bacterium amine and olefin conversion, and wherein the mass ratio of pungent bacterium amine and olefin conversion is 20:1 ~ 1:20.The present invention has good control efficiency to crop fungal diseases such as corn southern leaf blights, two medicament couplings can reduce dosage, effective reduction ecological disruption and environmental pollution, delay the pesticide resistance of germ to single medicament, and economic, efficient, environmental protection also can improve crop yield and quality; In the present invention, pungent bacterium amine and olefin conversion all belong to the toxicity such as low, to people and animals, beneficial organism safety; The pesticide resistance of germ to single medicament can be delayed.
Description
Technical field
The invention belongs to disinfectant use in agriculture field, be specifically related to the bactericidal composition of a kind of pungent bacterium amine and olefin conversion.
Background technology
Pungent bacterium amine is environment-friendly type amino acids high molecular polymer bactericide, containing synergy composition organosilicon and mew class sterilization factors.Its mechanism of action is novel, ionization can be produced in aqueous, its hydrophilic group part contains strong electropositive, the each bacterioid of absorption usually in negative electricity, virus thus inhibit bacterium, viral breeding, solidifying germ protein, is the sex change of germ enzyme system, adds that film that polymer is formed plugs the ion channel of this part microorganism, make its death by suffocation immediately, thus reach best bactericidal effect.Half-and-half know, load, flagellum, four subphylum class fungies such as ascus, bacterium, virus killing rate all more than 98%, be applicable to: the various crop such as fruit tree, vegetables, melon, cotton, paddy rice, wheat, corn, soybean, rape, medicinal material, ginger by the control of bacterium, virus, fungus-caused multiple diseases, as apple, pears rot; Fusarium and Verticillium wilts, damping off; Achlya spp, evil seedling, rice blast, stripe virus disease; Tobacco mosaic virus disease; Capsicum tomato virus disease; Root rot, purple spot.
Olefin conversion (English common name: diniconazole), molecular formula is C15H17Cl2N3O, and structural formula is as follows:
Chemical common name is (E)-(RS)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl) penta-1 alkene-3-alcohol, for triazole type new type bactericide, the mechanism of action is suppress 14 α-demethylation effect in the ergosterol biosynthesis of fungi, causes ergosterol to lack, causes fungal cell membrane abnormal, final fungi is dead, and the lasting period is permanent.Special efficacy is had for capsule bacterium, the microbial plurality of plant diseases of load such as powdery mildew, rust, smut, scab etc.
Summary of the invention
The present invention proposes a kind of new type bactericide composition containing pungent bacterium amine and olefin conversion, for various crop diseases such as controls of leaf spot of corn.Pungent bacterium amine and triazole bactericidal agent possess different structure types and discrepant mechanism of action, the two is combined by a certain percentage, there is bactericidal activity in actual use high, the selection pressure that simultaneously can cause pathogen when avoiding pungent bacterium amine and olefin conversion single dose to be used alone to a greater extent, delay pathogen pesticide resistance emergence and development, and dosage total in unit are is declined, economic, efficient, environmental protection.
A kind of bactericidal composition containing pungent bacterium amine and olefin conversion of the present invention, the active ingredient of described bactericidal composition is made up of pungent bacterium amine and olefin conversion, and wherein the mass ratio of pungent bacterium amine and olefin conversion is 20:1 ~ 1:20.
In described bactericidal composition, the mass ratio of pungent bacterium amine and olefin conversion is preferably 10:1 ~ 1:10, is more preferably 5:1 ~ 1:5, most preferably is 1:1 ~ 1:5.
Be added with in described bactericidal composition agriculturally conventional bactericide auxiliary agent can be made into agriculturally acceptable bactericide formulation as common pesticides formulations such as aqueous suspension agent, water dispersible granules or wetting powders.The agriculturally conventional bactericide auxiliary agent adopted comprises wetting agent, dispersant, thickener, defoamer, each analog assistant such as filler, the wetting agent adopted, dispersant can be two isobutyl two bases sodium naphthalene sulfonate (pulling open powder), di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate (NNO), sodium lignin sulfonate (wooden sodium), calcium lignosulfonate (wooden calcium), isomery alcohol-ethylene oxide condensate (E series), castor oil (rilanit special)-ethylene oxide condensate (EL series), polyoxyethylene fatty acid ester (lauric acid polyoxyethylene ester, LAE series), fatty alcohol-ethylene oxide condensate (MOA series), alkyl phenol-APEO (NP/TX series), one or more in alkyl phenol-polyethylene oxide (OP series) etc., the thickener adopted can be xanthans, polyvinyl alcohol etc., the defoamer adopted to can be in phosphoric acid ester defoamer and silicone defoaming agent one or more, the filler adopted can be in white carbon, kaolin, attapulgite etc. one or more,
In described bactericidal composition, the active ingredient of preferred pungent bacterium amine and olefin conversion composition accounts for 20% ~ 60% of bactericidal composition gross mass.
Described bactericidal composition can be used for the crop fungal diseases such as control of leaf spot of corn.
By the careful analysis to pungent bacterium amine and the olefin conversion mechanism of action and sterilization idiocratic, Wadley method is used to carry out experimental scheme and result treatment.First the EC of pungent bacterium amine and olefin conversion two single compound (hereinafter referred to as medicament) is measured
50, according to the EC of two single medicaments
50set the portfolio ratio of two medicaments by Wadley method, and according to Wadley synergy index SR value, determine suitable composition ratio, then verified by the abundant method of Sun Yun.
Test objective thing is corn southern leaf blight.Test adopts colony diameter method.Get pungent bacterium amine, olefin conversion mother liquor, be configured to need liquid dull and stereotyped, every ware is about 14ml, arranges without medicine flat board contrast (CK) simultaneously, often processes repetition 3 ware, namely repeat 3 times.Produce the mycelia block of 5mm diameter at the card punch of preculture colony edge sterilizing, move on on different culture media flat board respectively, cultivate 4d, measure colony diameter (mm), by following formulae discovery growth inhibition ratio for 28 DEG C:
Mycelial growth inhibition rate is converted into and suppresses probit value (Y), drug concentration is converted into log concentration (X), by log concentration be abscissa, probit value is that ordinate makes toxicity regression straight line, try to achieve pungent bacterium amine and olefin conversion single dose and mixture thereof to the virulence regression equation of corn southern leaf blight, and calculate EC
50, EC
90value and correlation coefficient r value.
According to the interaction of Wadley method evaluation mixture, computing formula is as follows:
EC
50 (theoretical values)=(a+b)/(a/EC
50a+ b/EC
50b), SR=EC
50 (theoretical values)/ EC
50 (real values).
Wherein a, b are each component content ratio in mixture, analyze the effect of mixture with SR value.SR≤0.5, then two kinds of medicament mixtures have antagonism; SR=0.5 ~ 1.5, then two kinds of medicament mixtures have addition; SR >=1.5, then two kinds of medicament mixtures have synergistic effect.
The pungent bacterium amine of table 1 and olefin conversion single dose and mixture thereof are to corn southern leaf blight toxicity test result
From table 1, data can be analyzed and obtain, and pungent bacterium amine and olefin conversion, can compared with the growths of high inhibition corn southern leaf blight mycelia can suppress the growth of corn southern leaf blight mycelia during 15:1 ~ 1:15 ratio mixture, 1:1 ~ 1:5 ratio mixture, performance synergistic effect.
The present invention has good control efficiency to crop fungal diseases such as corn southern leaf blights, and two medicament couplings can reduce dosage, effectively reduces ecological disruption and environmental pollution, and can improve crop yield and quality; In the present invention, pungent bacterium amine and olefin conversion all belong to the toxicity such as low, to people and animals, beneficial organism safety; The pesticide resistance of germ to single medicament can be delayed.
Embodiment
Following embodiment further illustrates using as the explaination to the technology of the present invention content for content of the present invention; but flesh and blood of the present invention is not limited in described in following embodiment, those of ordinary skill in the art can and should know any simple change based on connotation of the present invention or replace all should belong to protection domain of the presently claimed invention.
embodiment 1
The preparation method of 30% pungent bacterium amine diniconazole suspending agent: by mass percentage.
Pungent bacterium amine 15%;
Olefin conversion 15%;
Wood calcium 7%;
MOA35%；
Xanthans 0.2%;
Silicone defoaming agent 0.4%;
Water surplus.
Preparation method: according to formula, weighs in proportion by above component, adds ball mill ball milling 30 minutes, filter, suction dispersion tank high speed shear was fully ground through sand mill after 3 minutes, controlled solid constituent particle diameter within 2 microns, stir after grinding terminates, obtain suspending agent product.Every mu of 60-80g is used for control of leaf spot of corn effect and can reaches more than 88%.
embodiment 2
The preparation method of 30% pungent bacterium amine diniconazole suspending agent: by mass percentage.
Pungent bacterium amine 5%;
Olefin conversion 25%;
Wood sodium 7%;
EL405%；
Polyvinyl alcohol 0.2%;
Phosphate defoamer 0.3%;
Water surplus.
Preparation method, with embodiment 1.Every mu of 60-80g is used for control of leaf spot of corn effect and can reaches 76%.
embodiment 3
The preparation method of 30% pungent bacterium amine diniconazole suspending agent: by mass percentage.
Pungent bacterium amine 10%;
Olefin conversion 20%;
Wood calcium 8%;
EL604%；
Polyvinyl alcohol 0.2%;
Phosphate defoamer 0.4%;
Water surplus.
Preparation method, with embodiment 1.Every mu of 60-80g is used for control of leaf spot of corn effect and can reaches 80%.
embodiment 4
The preparation method of 40% pungent bacterium amine olefin conversion wetting powder: by mass percentage.
Pungent bacterium amine 20%;
Olefin conversion 20%;
Pull open powder 3%
Wood calcium 4%;
White carbon 10%;
Kaolin surplus;
Preparation method: above component is added mixer by formula rate and mixes laggard row air-flow crushing, stir after having pulverized, wetting powder product.Every mu of 60-80g is used for control of leaf spot of corn effect and can reaches 86%.
embodiment 5
The preparation method of 40% pungent bacterium amine olefin conversion wetting powder: by mass percentage.
Pungent bacterium amine 24%;
Olefin conversion 16%;
NNO2%
Wood calcium 4%;
White carbon 10%;
Attapulgite surplus
Preparation method, with embodiment 4.Every mu of 60-80g is used for control of leaf spot of corn effect and is about 80%.
embodiment 6
The preparation method of 30% pungent bacterium amine olefin conversion wetting powder: by mass percentage.
Pungent bacterium amine 8%;
Olefin conversion 22%;
NNO6%；
Polyvinyl alcohol 4%
Ammonium sulfate 8%
White carbon 10%;
Kaolin surplus;
Preparation method: above component is added mixer by formula rate and mixes laggard row air-flow crushing, add a small amount of purified water after having pulverized and stir, extruder grain, after oven dry wetting powder product.Every mu of 60-80g is used for control of leaf spot of corn effect and can reaches 82%.
Claims (5)
1. contain a bactericidal composition for pungent bacterium amine and olefin conversion, it is characterized in that: the active ingredient of described bactericidal composition is made up of pungent bacterium amine and olefin conversion, and wherein the mass ratio of pungent bacterium amine and olefin conversion is 1:1 ~ 1:5.
2. bactericidal composition according to claim 1, is characterized in that: be added with agriculturally conventional bactericide auxiliary agent and make agriculturally acceptable bactericide formulation.
3. bactericidal composition according to claim 2, is characterized in that: described bactericidal composition makes aqueous suspension agent, water dispersible granules or wetting powder.
4. bactericidal composition according to claim 3, is characterized in that: the active ingredient of described pungent bacterium amine and olefin conversion composition accounts for 20% ~ 60% of bactericidal composition gross mass.
5. the bactericidal composition described in any one of claim 1-4 is used for the crop fungal disease of control of leaf spot of corn.
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| CN106212472B (en) * | 2016-07-26 | 2018-04-10 | 山东省果树研究所 | A kind of bactericidal composition and its application containing octyl trichlamide and penconazole |
| CN107668038A (en) * | 2017-11-07 | 2018-02-09 | 江苏东宝农化股份有限公司 | Using bactericidal composition of the fluorine bacterium azoles with octyl trichlamide as principle active component |
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| CN103039461A (en) * | 2012-12-17 | 2013-04-17 | 广东中迅农科股份有限公司 | Pesticide composition containing zinc bacteria amine and hexaconazole |
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| CN103039461A (en) * | 2012-12-17 | 2013-04-17 | 广东中迅农科股份有限公司 | Pesticide composition containing zinc bacteria amine and hexaconazole |
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