CN104161041B - Containing the bactericidal composition of amino-oligosaccharide and own azoles alcohol - Google Patents
Containing the bactericidal composition of amino-oligosaccharide and own azoles alcohol Download PDFInfo
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- CN104161041B CN104161041B CN201410388895.0A CN201410388895A CN104161041B CN 104161041 B CN104161041 B CN 104161041B CN 201410388895 A CN201410388895 A CN 201410388895A CN 104161041 B CN104161041 B CN 104161041B
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Abstract
The present invention relates to a kind of bactericidal composition containing amino-oligosaccharide and own azoles alcohol, with own azoles alcohol and amino-oligosaccharide for active ingredient, the weight ratio of own azoles alcohol and amino-oligosaccharide is 20:1 ~ 1:8.The present invention is prepared into wetting powder or suspending agent, for preventing and treating crop fungal disease, its synergistic effect is remarkable, can improve preventive effect, reduce agricultural cost, and delays disease drug resistance generation, meets the needs agriculturally produced.
Description
Technical field
The present invention relates to a kind of microbicide compositions, be specifically related to the bactericidal composition containing own azoles alcohol and amino-oligosaccharide.
Background technology
Own azoles alcohol, belongs to azoles fungicide, sterol demethylation inhibitors, and the disease caused fungi especially Basidiomycota and Ascomycota has protection and the therapeutic action of broad spectrum activity.The biosynthesis of the cell membrane important composition composition ergosterol of destruction and prevention germ, causes cell membrane not formed, and makes germ dead.There is interior suction, protection and therapeutic activity.Can effectively prevent and treat disease caused by sac fungi, basidiomycetes and imperfect fungus, especially have excellent protection and eradicant action to disease such as powdery mildew, rust, scab, brown spot, anthracnose etc. that Basidiomycetes and Ascomycetes cause.
Amino-oligosaccharide is a kind of bactericide with resistant effect that microbial metabolism is extracted, inhibitory action is had to the growth of some germ, sprout as affected fungi steamed stuffed bun, bring out hypha form to morph, in the born of the same parents of mycelia, biochemical reaction changes, the mechanism that inducing plant produces disease resistance mainly excites gene expression in plants, produce chitinase, dextranase, guarantor's element and the PR albumen etc. with antibacterial action, there is the gene expression suppressing germ simultaneously, the Physiology and biochemistry of mycelia is morphed, growth is suppressed, simultaneously can also stimulating growth.
This year, rice sheath blight disease occurred comparatively serious, and not plump paddy rate is increased, and thousand kernel weight reduces, general underproduction 5%-10%, seriously can reach 50%-70%, along with the popularization of short bar Multi spike cultivar, the raising of Planting Densities and Fertilization Level, has become an outstanding problem of rice high yield stable yields.Rice sheath blight disease mainly relies on jinggangmeisu for many years and prevents and treats, and make disease produce larger pesticide resistance, cause dosage to strengthen, preventive effect reduces.The control of rice sheath blight disease lacks synergistic effect obviously, and cost is lower, the composition of medicine that the lasting period is longer.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of synergistic effect remarkable, can improve preventive effect, reduce agricultural cost, and delays the bactericidal composition containing amino-oligosaccharide and own azoles alcohol mixture of disease drug resistance generation, to meet the needs agriculturally produced.
The present invention solves the problems of the technologies described above taked technical scheme: containing the bactericidal composition of amino-oligosaccharide and own azoles alcohol, and with own azoles alcohol and amino-oligosaccharide for active ingredient, the weight ratio of own azoles alcohol and amino-oligosaccharide is 20:1 ~ 1:8.
Above-mentioned bactericidal composition is prepared into wetting powder or suspending agent.
The adjuvant used in composition of the present invention comprise dispersant, wetting agent, antifreeze, defoamer, thickener, carrier or other be of value to the active ingredient material that plays of stable and drug effect in the formulation, be all conventional in pesticidal preparations or allow the various compositions that use.
Described dispersant be selected from polycarboxylate, lauryl sodium sulfate, lignosulfonates, polyoxyethylene carboxylate, alkylphenol polyoxyethylene, neopelex, sodium hydroxyethyl cellulose, alkylnaphthalene sulfonate one or more.
Described wetting agent be selected from spaonin powder, silkworm excrement or soapberry powder one or more; Described antifreeze be selected from ethylene glycol, propane diols or glycerine one or more; Described defoamer be selected from silicone oil, silicone compound, C10-20 saturated fat acid compounds one or more.
Described thickener be selected from xanthan gum, polyvinyl alcohol, polyethylene glycol one or more.
Described carrier be selected from kaolin, white carbon, attapulgite, deionized water one or more.
Bactericidal composition provided by the present invention has the following advantages:
1, single dose can be overcome and easily produce the shortcoming of resistance, the scope of application that medicament can be widened, prolongation lasting period, improve drug effect;
2, not only maintain the many merits of bactericide, and the dosage of mixture reduces, drug effect significantly improves, and reduces production cost;
3, bactericidal composition of the present invention composite after have obvious synergistic effect, the pesticide resistance of germ can be delayed, to rice sheath blight disease, there is good control efficiency.
4, bactericidal composition compatibility of the present invention and reasonable mixture ratio, can alleviate the toxic action to various natural enemy greatly, to infringement and the less pollution of ecotope, is conducive to protecting person poultry safety.
Embodiment
In order to find the medicament desirable to rice sheath blight disease field efficacy, the characteristic that the present invention is based on own azoles alcohol and amino-oligosaccharide is studied further, inventor finds and proves with own azoles alcohol and amino-oligosaccharide as active ingredient is carried out composite, disease resistance is produced amino-oligosaccharide induction crop, and on the basis preventing pathogen from developing immunity to drugs, the characteristic that the own azoles alcohol of further utilization has destruction and stops the biosynthesis of germ ergosterol to be formed, the water prevention rice sheath blight can produce obvious cooperative synergism effect, in other disease control, also mainly improve the control efficiency of own azoles alcohol by the induction of amino-oligosaccharide and expand the prevention and treatment range of disease, decrease dosage, reduce use cost.
Be described further technical scheme of the present invention and technique effect below in conjunction with concrete example, the percentage in embodiment is all weight percentage.
The method that the present invention adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio after clear and definite two kinds of medicaments are composite by a certain percentage, on this basis, then carries out field trial.
The synergistic effect of pharmacy mix is evaluated according to the co-toxicity coefficient method (CTC) of SunJohnson (1960), namely CTC≤80 are antagonism, 80<CTC<120 is summation action, and CTC >=120 are synergistic effect.
Table one: own azoles alcohol, amino-oligosaccharide and different ratio thereof are to the toxicity test result of rice sheath blight disease
| Reagent agent | Proportioning | EC 50(mg/L) | Co-toxicity coefficient |
| Own azoles alcohol (A) | / | 1.1 | / |
| Amino-oligosaccharide (B) | / | 0.53 | / |
| A:B | 20:1 | 0.57 | 183.52 |
| A:B | 12:1 | 0.52 | 192.12 |
| A:B | 10:1 | 0.51 | 196.42 |
| A:B | 8:1 | 0.49 | 190.20 |
| A:B | 5:1 | 0.55 | 169.55 |
| A:B | 1:1 | 0.44 | 162.56 |
| A:B | 1:5 | 0.4 | 145.02 |
| A:B | 1:8 | 0.45 | 127.81 |
As seen from table, own azoles alcohol and amino-oligosaccharide co-toxicity coefficient within the scope of 20:1-1:8 are all greater than 120, and it has remarkable synergistic effect to rice sheath blight disease as seen.
Embodiment 121% own azoles alcohol amino-oligosaccharide wetting powder
Own azoles alcohol 20%, amino-oligosaccharide 1%, polycarboxylate 8%, lauryl sodium sulfate 3%, spaonin powder 3%, kaolin supply 100%.Mixing, through air-flow crushing, obtains 21% own azoles alcohol amino-oligosaccharide wetting powder.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 3000 times of sprayings, after medicine, the preventive effect of 7 days is 86.5%.And single dose 20% own azoles alcohol wetting powder presses extension rate 1000 times and 5% amino-oligosaccharide wetting powder by extension rate 1000 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 70.4% and 58.8%.
Embodiment 2
9% own azoles alcohol amino-oligosaccharide wetting powder
Own azoles alcohol 8%, amino-oligosaccharide 1%, polycarboxylate 5%, lauryl sodium sulfate 3%, white carbon 8%, kaolin supply 100%.Mixing, through air-flow crushing, obtains 9% own azoles alcohol amino-oligosaccharide wetting powder.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 3000 times of sprayings, after medicine, the preventive effect of 7 days is 71.3%.And single dose 8% own azoles alcohol wetting powder presses extension rate 1000 times and 1% amino-oligosaccharide aqua by extension rate 1000 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 59.4% and 60.3%.Own azoles alcohol and the composite rear synergistic effect of amino-oligosaccharide are obvious, to the preventive effect of banded sclerotial blight significantly better than single dose.
Embodiment 3
6% own azoles alcohol amino-oligosaccharide wetting powder
Own azoles alcohol 5%, amino-oligosaccharide 1%, silkworm excrement 5%, lignosulfonates 3%, white carbon 12%, attapulgite supply 100%.Mixing, through air-flow crushing, obtains 6% own azoles alcohol amino-oligosaccharide wetting powder.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 2000 times of sprayings, after medicine, the preventive effect of 7 days is 78.6%.And single dose 5% own azoles alcohol wetting powder presses extension rate 800 times and 1% amino-oligosaccharide aqua by extension rate 800 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 56.3% and 46.9%.
Embodiment 4
15% own azoles alcohol amino-oligosaccharide wetting powder
Own azoles alcohol 10%, amino-oligosaccharide 5%, alkyl benzene sulfonate calcium salt 3%, lignosulfonates 5%, white carbon 10%, kaolin supply 100%.Mixing, through air-flow crushing, obtains 15% hexanol amino-oligosaccharide wetting powder.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 3000 times of sprayings, after medicine, the preventive effect of 7 days is 83.8%.And single dose 10% own azoles alcohol wetting powder presses extension rate 1000 times and 5% amino-oligosaccharide wetting powder by extension rate 1000 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 62.8% and 61.7%.
Embodiment 5
13% own azoles alcohol amino-oligosaccharide suspending agent
Own azoles alcohol 12%, amino-oligosaccharide 1%, alkylphenol polyoxyethylene 2%, polyoxyethylene carboxylate 6%, DBSA 4%, silicone oil 0.1%, xanthan gum 0.3%, deionized water add to 100% obtained 13% own azoles alcohol amino-oligosaccharide suspending agent.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 3000 times of sprayings, after medicine, the preventive effect of 7 days is 81.7%.And single dose 12% hexaconazole suspending agent presses extension rate 1000 times and 1% amino-oligosaccharide suspending agent by extension rate 1000 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 67.8% and 61.3%.
Embodiment 6
2% own azoles alcohol amino-oligosaccharide suspending agent
Own azoles alcohol 1%, amino-oligosaccharide 1%, alkylphenol polyoxyethylene 2%, polyoxyethylene carboxylate 6%, DBSA 4%, silicone oil 0.1%, xanthan gum 0.3%, deionized water add to 100% obtained 2% own azoles alcohol amino-oligosaccharide suspending agent.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 2000 times of sprayings, after medicine, the preventive effect of 7 days is 70.8%.And single dose 1% hexaconazole suspending agent presses extension rate 1000 times and 1% amino-oligosaccharide aqua by extension rate 1000 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 61.3% and 57.4%.
Embodiment 7
6% own azoles alcohol amino-oligosaccharide suspending agent
Own azoles alcohol 1%, amino-oligosaccharide 5%, spaonin powder 2%, polyoxyethylene carboxylate 6%, neopelex 4%, sodium hydroxyethyl cellulose 0.1%, polyvinyl alcohol 0.4%, ethylene glycol 2%, deionized water add to 100% obtained 6% own azoles alcohol amino-oligosaccharide suspending agent.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 2000 times of sprayings, after medicine, the preventive effect of 7 days is 73.5%.And single dose 1% hexaconazole suspending agent presses extension rate 800 times and 5% amino-oligosaccharide suspending agent by extension rate 800 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 54.8% and 67.4%.
Embodiment 8
9% own azoles alcohol amino-oligosaccharide suspending agent
Own azoles alcohol 1%, amino-oligosaccharide 8%, soapberry powder 2%, polyoxyethylene carboxylate 6%, DBSA 4%, sodium hydroxyethyl cellulose 0.1%, polyvinyl alcohol 0.4%, glycerine 2%, deionized water add to 100% obtained 9% own azoles alcohol amino-oligosaccharide suspending agent.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 3000 times of sprayings, after medicine, the preventive effect of 7 days is 71.5%.And single dose 1% own azoles alcohol wetting powder presses extension rate 1000 times and 8% amino-oligosaccharide wetting powder by extension rate 1000 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 52.8% and 51.6%.
Embodiment 9
10% own azoles alcohol amino-oligosaccharide suspending agent
Own azoles alcohol 8%, amino-oligosaccharide 2%, soapberry powder 2%, polyoxyethylene carboxylate 6%, DBSA 4%, sodium hydroxyethyl cellulose 0.1%, polyvinyl alcohol 0.4%, glycerine 2%, deionized water add to 100% obtained 10% own azoles alcohol amino-oligosaccharide suspending agent.
This formula is used for the water prevention rice sheath blight, and use extension rate to be 3000 times of sprayings, after medicine, the preventive effect of 7 days is 82.5%.And single dose 8% own azoles alcohol wetting powder presses extension rate 1000 times and 2% amino-oligosaccharide wetting powder by extension rate 1000 times, use the same method when using identical dose, after medicine, the preventive effect of 7 days is respectively 63.3% and 58.4%.
As can be seen from above embodiment, cooperative synergism effect of the present invention is obvious, is all better than single dose, improves diseases control rate, have good control efficiency to rice sheath blight disease.
Claims (2)
1. containing the bactericidal composition of amino-oligosaccharide and own azoles alcohol, it is characterized in that, with own azoles alcohol and amino-oligosaccharide for active ingredient, the weight ratio of own azoles alcohol and amino-oligosaccharide is 20:1 ~ 1:8.
2. containing the bactericidal composition of amino-oligosaccharide and own azoles alcohol, it is characterized in that, with own azoles alcohol and amino-oligosaccharide for active ingredient, the weight ratio of own azoles alcohol and amino-oligosaccharide is 20:1 ~ 1:8; Described bactericidal composition is prepared into wetting powder or suspending agent.
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| CN104705324B (en) * | 2015-03-13 | 2017-04-05 | 朱德坤 | A kind of bactericidal composition containing Zhongshengmycin and chitosan oligosaccharide |
| CN106172433A (en) * | 2016-07-25 | 2016-12-07 | 李祥英 | A kind of fluorine-containing thiazole pyrrole ethyl ketone and the composition pesticide of amino-oligosaccharide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
| CN103947668A (en) * | 2014-04-18 | 2014-07-30 | 北京明德立达农业科技有限公司 | Bactericidal composition and application thereof |
| CN103947679A (en) * | 2014-05-15 | 2014-07-30 | 王和绥 | Pesticide for wheat pustulation period |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
| CN103947668A (en) * | 2014-04-18 | 2014-07-30 | 北京明德立达农业科技有限公司 | Bactericidal composition and application thereof |
| CN103947679A (en) * | 2014-05-15 | 2014-07-30 | 王和绥 | Pesticide for wheat pustulation period |
Non-Patent Citations (2)
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| "5%氨基寡糖素水剂对晚稻纹枯病的防治研究";刘天赵;《广西植保》;20130915;第16页 * |
| "己唑醇等三唑类药剂防治水稻纹枯病的效果";陈再廖;《浙江农业科学》;20100611(第3期);第579页 * |
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