CN110973161A - Sterilization composition containing glucan - Google Patents
Sterilization composition containing glucan Download PDFInfo
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- CN110973161A CN110973161A CN201911187496.7A CN201911187496A CN110973161A CN 110973161 A CN110973161 A CN 110973161A CN 201911187496 A CN201911187496 A CN 201911187496A CN 110973161 A CN110973161 A CN 110973161A
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- copper
- composition
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- oxine
- glucan
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
- A01N43/42—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings condensed with carbocyclic rings
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the field of pesticides, and relates to a sterilization composition containing glucanase, which mainly comprises glucanase, oxine-copper or copper oxychloride and an auxiliary agent, wherein the mass ratio of the glucanase to the oxine-copper or the copper oxychloride is 1: 1-1: 50, the preferable mass ratio is 1: 1-1: 8, and the percentage content of the mixture of the glucanase and the oxine-copper or the copper oxychloride in the total weight of the sterilization composition is 10-60%, and the preferable percentage content is 30-50%. The preparation formulation which can be prepared from the bactericidal composition is wettable powder, suspending agent, aqueous solution or water dispersible granule. The bactericidal composition has good control effect on a plurality of fungal and bacterial diseases such as blight, spot disease, alternaria leaf spot, brown spot, downy mildew, powdery mildew, anthracnose, wheat smut and the like.
Description
Technical Field
The invention belongs to the field of pesticides, and particularly relates to a bactericidal composition containing glucan.
Background
The pesticide is a general name of a class of medicines which are applied for killing insects, sterilizing and killing harmful animals and plants in order to guarantee and promote the growth of plants and crops, and can be divided into organic pesticide, inorganic pesticide, botanical pesticide, microbial pesticide and the like according to raw materials; agricultural chemicals are classified into insecticides, fungicides, acaricides, nematicides, herbicides, plant growth regulators, and the like according to the objects to be controlled. The pesticide of the chemical preparation can kill beneficial microorganisms in the environment while killing plant pathogenic bacteria, thereby causing the improvement of the drug resistance of the plant pathogenic bacteria and the problems of environmental pollution, pesticide residue and the like; unscientific and single use of drugs has also led to an increasing resistance and variety of pathogens. With the development of the strategy of sustainable development, the sustainable development of agriculture is more and more paid more attention by people. Therefore, how to increase the drug effect and delay the drug resistance risk of diseases is an important subject to be solved urgently.
The appearance of the original drug of the glucan is white powdery solid, the melting point is 78-81 ℃, the solubility in water is more than 100g/L, the glucan can be stored for more than 2 years at 4 ℃, and the glucan cannot be mixed with strong acid and alkali substances.
The glucanase can induce crops to generate excellent broad-spectrum disease resistance, and in terms of virus diseases, not only can inhibit early colonization, proliferation and expansion of various diseases such as mosaic virus, but also can passivate virogen outside the crops and inhibit long-distance expansion of the virus.
The oxine-copper is a quinoline low-toxicity protective bactericide, belongs to an organic copper chelate, has broad spectrum, high efficiency, low residue and safe use, and has good prevention and treatment effects on fungal and bacterial diseases. After spraying, a tight protective medicine film is formed on the surface of the plant, and the copper ions released slowly inhibit the germination and invasion of germs, so that the purposes of preventing and treating diseases are achieved, and the plant is safe to crops.
The organic quinoline and the copper salt have double bactericidal activity, and the root is unique in action mechanism. The organic quinoline inhibits the metabolism of pathogenic bacteria spores, controls the cells to divide and differentiate again, and simultaneously chelates copper ions to be absorbed by the germinated pathogenic bacteria spores to directly kill the spore cells in the pathogenic bacteria, thereby achieving the effect of preventing diseases. Has obvious killing and inhibiting effect on various diseases of crops caused by fungi and bacteria. And the activity of various enzymes in the plant body is stimulated, the photosynthesis is improved, the growth is promoted, the leaves are dark green, the fruit surface is purified, the yield is increased, the quality is improved, and the pesticide is suitable for preventing and treating various diseases of various crops such as fruit trees, vegetables, melons and vegetables, tobacco and the like.
The oxine-copper is mainly applied to plants such as tomatoes, hot peppers, cucumbers, pumpkin, potatoes, grapes and the like, and has good control effects on late blight, epidemic diseases, epidemic rot, downy mildew, anthracnose and the like; can also be used for preventing and treating smut by dressing wheat seeds. Copper quinolinate, however, cannot be used in combination with strong acids and basic agents. The pesticide liquid should be uniform and uniform during spraying, and the safe harvesting interval of the crops is 15 days.
The copper oxychloride is an inorganic copper protective agricultural bactericide and is a medicament with the smallest harm of traditional Chinese medicines in a copper preparation. After the pesticide is applied, the protease of the pathogenic bacteria is quickly destroyed to cause the death of the pathogenic bacteria, and a protective film can be formed on the surface of the plant. It can be used for potato, peanut, sunflower, etc. to stimulate growth and increase yield.
The crops suitable for the king copper comprise wheat, millet, cotton and the like; fruits and vegetables such as apple, grape, peanut, orange, tomato, melon, jujube tree, etc. Can prevent spot disease, alternaria leaf spot, brown spot, anthracnose, downy mildew, powdery mildew, spot anthracnose, leaf spot, bacterial angular leaf spot, epidemic disease, downy mildew, etc.; can also be used for preventing and treating wheat smut and millet smut by seed dressing; it can also be used to replace Bordeaux mixture and sprayed to prevent and treat tomato, potato and grape diseases. However, when the pesticide is used, high-concentration application at a high temperature period is avoided, and the pesticide cannot be mixed with medicaments such as lime sulphur, rosin mixture, mineral oil emulsion, carbendazim, thiophanate and the like, and cannot be mixed with strong-alkaline pesticides.
In order to delay the drug resistance of diseases, the effective components with different action mechanisms are compounded to be a more effective method, and the formula with more obvious compounding effect can obviously improve the drug effect of the pesticide, greatly reduce the using dosage of the pesticide, expand the bactericidal spectrum and improve the bactericidal efficiency.
Disclosure of Invention
The invention aims to provide a bactericidal composition containing glucan to meet the requirement of agricultural production, and active components contained in the composition have synergistic action with each other, so that the control effect can be improved, and the generation of drug resistance of germs can be delayed.
The technical scheme adopted by the invention for solving the technical problem is as follows: a sterilization composition containing dextrane sugar mainly comprises dextrane sugar, oxine-copper or copper oxychloride and an auxiliary agent, wherein the mass ratio of the dextrane sugar to the oxine-copper or copper oxychloride is 1: 1-1: 50, preferably 1: 1-1: 8, and the percentage content of the mixture of the dextrane sugar and the oxine-copper or copper oxychloride in the total weight of the sterilization composition is 10-60%, preferably 30-50%.
The preparation formulation which can be prepared from the bactericidal composition is wettable powder, suspending agent, aqueous solution or water dispersible granule.
The auxiliary agent comprises two or more of dispersing agent, wetting agent, binder, defoaming agent, antifreeze agent, thickening agent, disintegrating agent and filler.
The dispersant is one or more selected from polycarboxylate, lignosulfonate, alkylphenol polyoxyethylene pyrimidine formaldehyde condensate sulfate, calcium alkylsulfonate, alkylphenol polyoxyethylene pyrimidine, fatty amine polyoxyethylene pyrimidine, fatty acid polyoxyethylene ester and ester polyvinyl pyrimidine.
The wetting agent is one or more selected from sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrant F, fructus Gleditsiae Abnormalis powder, faeces Bombycis, and fructus Sapindi Mukouossi powder.
The binder is one or more selected from diatomite, starch, polyvinyl alcohol, carboxymethyl cellulose and carboxyethyl cellulose.
The antifreeze is one or more selected from ethylene glycol, propylene glycol, glycerol and polyethylene glycol.
The defoaming agent is selected from silicone oil, silicone compounds and C10-20Saturated fatty acid compound, C8-10One or more of fatty compounds.
The thickening agent is one or more selected from xanthan gum, polyvinyl alcohol and polyethylene glycol.
The disintegrating agent is one or more selected from bentonite, urea, ammonium sulfate, aluminum chloride and glucose.
The filler is one or more selected from kaolin, diatomite, bentonite, attapulgite, white carbon black, starch and light calcium carbonate.
The bactericidal composition has good control effect on a plurality of fungal and bacterial diseases such as blight, spot disease, alternaria leaf spot, brown spot, downy mildew, powdery mildew, anthracnose, wheat smut and the like.
In addition, compared with other similar medicaments, the bactericidal composition has the following advantages:
1. compared with a single agent, the compound has obvious synergistic effect, and the control effect is improved;
2. the composition consists of two active ingredients with different action mechanisms, and is favorable for overcoming and delaying the generation of drug resistance of pathogenic bacteria;
3. the dosage is reduced by mixing the medicament, so that the cost is reduced and the pollution to the environment is reduced;
4. the risk of phytotoxicity is reduced compared to the use of a bactericide alone.
5. The invention has special effects on blight, downy mildew, anthracnose and smut of plants.
Detailed Description
In order to make the technical problems, solutions and advantages of the present invention more apparent, specific embodiments will be described in detail below, but the present invention is by no means limited to these examples. The following description is only a preferred embodiment of the present invention, and is only for the purpose of explaining the present invention, and should not be construed as limiting the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Example 1
A suspending agent of a sterilization composition containing glucan is prepared by the following formula:
the mass ratio of the dextral glycal to the oxine-copper in the formula is 1: 1.
The materials are put into a reaction kettle according to the proportion and stirred for 2 hours, and then ground in a multistage sand mill to prepare the suspending agent with the corresponding proportion. The production process comprises the procedures of blending, shearing, grinding and the like of materials, and a gradient sanding technology is used, so that the fineness of the materials is over 98 percent, and the suspension rate of the materials is effectively improved.
Example 2
A suspending agent of a sterilization composition containing glucan is prepared by the following formula:
the mass ratio of the dextral glycal to the oxine-copper in the formula is 1: 8.
The materials are put into a reaction kettle according to the proportion and stirred for 2 hours, and then ground in a multistage sand mill to prepare the suspending agent with the corresponding proportion. The production process comprises the procedures of blending, shearing, grinding and the like of materials, and a gradient sanding technology is used, so that the fineness of the materials is over 98 percent, and the suspension rate of the materials is effectively improved.
Example 3
A suspending agent of a sterilization composition containing glucan is prepared by the following formula:
the mass ratio of the dextrane sugar to the copper oxychloride in the formula is 1: 20.
The materials are put into a reaction kettle according to the proportion and stirred for 2 hours, and then ground in a multistage sand mill to prepare the suspending agent with the corresponding proportion. The production process comprises the procedures of blending, shearing, grinding and the like of materials, and a gradient sanding technology is used, so that the fineness of the materials is over 98 percent, and the suspension rate of the materials is effectively improved.
Example 4
A water dispersible granule of a sterilization composition containing glucan is prepared by the following formula:
the mass ratio of the dextrane sugar to the copper oxychloride in the formula is 1: 30.
The materials are put into a reaction kettle according to a certain proportion and stirred until the materials are uniformly mixed, then the materials are crushed by a jet mill, the crushed materials are mixed by a mixer and extruded into particles, and then the particles are dried and screened to obtain the water dispersible granules with corresponding proportion.
Example 5
A water dispersible granule of a sterilization composition containing glucan is prepared by the following formula:
the mass ratio of the dextral glycal to the oxine-copper in the formula is 1: 40.
The materials are put into a reaction kettle according to a certain proportion and stirred until the materials are uniformly mixed, then the materials are crushed by a jet mill, the crushed materials are mixed by a mixer and extruded into particles, and then the particles are dried and screened to obtain the water dispersible granules with corresponding proportion.
Example 6
A aqua of a sterilizing composition containing glucan is prepared by the following formula:
the mass ratio of the dextral glycal to the oxine-copper in the formula is 1: 40.
The materials are put into a reaction kettle according to a certain proportion and stirred until being uniformly mixed, and then the mixture enters a precipitation kettle to obtain a water aqua with a corresponding proportion.
Example 7
A aqua of a sterilizing composition containing glucan is prepared by the following formula:
the mass ratio of the dextral glycal to the oxine-copper in the formula is 1: 50.
The materials are put into a reaction kettle according to a certain proportion and stirred until being uniformly mixed, and then the mixture enters a precipitation kettle to obtain a water aqua with a corresponding proportion.
In order to better illustrate the control effect of the invention, the inventor adopts a field test method.
Field test 1
The test site is Suliuzhuang town of Xiujin county, Texas, Shandong province, the test content is a pesticide effect test for preventing and treating grape anthracnose by using the bactericidal composition containing the glucan, the disease condition base number, the total leaf number, the disease leaf number and the disease leaf base number of the grape anthracnose are investigated before the pesticide is used, the pesticide is applied at the initial stage of disease occurrence, the pesticide is applied once every seven days, the pesticide is applied for 3 times, and the disease index is investigated and the prevention effect is calculated 7 days and 14 days after the last pesticide application. The test results are as follows:
from the table above, it can be seen that the water dispersible granules and the suspending agent prepared from the bactericidal composition containing the glucal have very good control effect on the grape anthracnose, the grape anthracnose can be effectively controlled by compounding the glucal and the oxine-copper or the copper oxychloride, the control effect is superior to that of a control medicament, and the duration is long. The pesticide has no adverse effect on target crops in a test range, and the control effect is over 90 percent.
Field test 2
The test site is the Suzuki village town of Xiujin county, Texas, Shandong province, the test content is a drug effect test for preventing and treating the wheat smut by the bactericidal composition containing the glucan, the disease base number, the total plant number, the disease plant number and the disease plant base number of the wheat smut are investigated before the drug is used, the drug is applied at the initial stage of disease occurrence, the drug is applied once every seven days for 3 times, and the disease index is investigated and the prevention effect is calculated 7 days and 14 days after the last drug application. The test results are as follows:
from the table above, it can be seen that the water dispersible granules, the aqueous solution and the suspending agent prepared from the bactericidal composition containing the glucan have very good control effect on the wheat smut, the prevention and treatment effect of the wheat smut can be effectively controlled by compounding the glucan and the oxine-copper or the copper oxychloride, the prevention and treatment effect is superior to that of a control medicament, and the duration is long. The pesticide has no adverse effect on target crops in a test range, and the control effect is over 90 percent.
In conclusion, the bactericidal composition containing the glucan sugar has an obvious compounding effect, the pesticide effect of a pesticide prepared from the composition is obviously higher than that of a single pesticide, the control effect on plant diseases is over 90%, the pesticide dosage is small, the effect is fast, the duration is long, the pesticide residue is lower, the cost is saved, and the bactericidal composition is more environment-friendly, so that the research, development and popularization of the bactericidal composition are of great significance.
Claims (7)
1. A composition comprising a glucan for killing bacteria, comprising: the bactericidal composition mainly comprises glucan, oxine-copper or copper oxychloride and an auxiliary agent, wherein the mass ratio of the glucan to the oxine-copper or copper oxychloride is 1: 1-1: 50, and the percentage content of the mixture of the glucan and the oxine-copper or copper oxychloride in the total weight of the bactericidal composition is 10-60%.
2. The composition of claim 1, wherein the composition comprises: the mass ratio of the glucan to the oxine-copper or the copper oxychloride is 1: 1-1: 8.
3. The composition of claim 1, wherein the composition comprises: the percentage content of the mixture of the glucan and the oxine-copper or the copper oxychloride in the total weight of the sterilization composition is 30-50%.
4. The composition of claim 1, wherein the composition comprises: the preparation formulation which can be prepared from the bactericidal composition is wettable powder, suspending agent, aqueous solution or water dispersible granule.
5. The composition of claim 1, wherein the composition comprises: the auxiliary agent comprises two or more of dispersing agent, wetting agent, binder, defoaming agent, antifreeze agent, thickening agent, disintegrating agent and filler.
6. The composition of claim 5, wherein said composition comprises: the dispersant is one or more selected from polycarboxylate, lignosulfonate, alkylphenol polyoxyethylene pyrimidine formaldehyde condensate sulfate, calcium alkylsulfonate, alkylphenol polyoxyethylene pyrimidine, fatty amine polyoxyethylene pyrimidine, fatty acid polyoxyethylene ester and ester polyvinyl pyrimidine;
the wetting agent is one or more selected from sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrant F, fructus Gleditsiae Abnormalis powder, faeces Bombycis, and fructus Sapindi Mukouossi powder;
the binder is one or more selected from diatomite, starch, polyvinyl alcohol, carboxymethyl cellulose and carboxyethyl cellulose;
the antifreeze is one or more selected from ethylene glycol, propylene glycol, glycerol and polyethylene glycol;
the defoaming agent is selected from silicone oil, silicone compounds and C10-20Saturated fatty acid compound, C8-10One or more of a fatty compound;
the thickening agent is one or more selected from xanthan gum, polyvinyl alcohol and polyethylene glycol;
the disintegrating agent is one or more selected from bentonite, urea, ammonium sulfate, aluminum chloride and glucose;
the filler is one or more selected from kaolin, diatomite, bentonite, attapulgite, white carbon black, starch and light calcium carbonate.
7. The composition of claim 1, wherein the composition comprises: the bactericidal composition can be used for preventing and treating blight, spot disease, alternaria leaf spot, brown spot, downy mildew, powdery mildew, anthracnose and wheat smut of plants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911187496.7A CN110973161A (en) | 2019-11-28 | 2019-11-28 | Sterilization composition containing glucan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911187496.7A CN110973161A (en) | 2019-11-28 | 2019-11-28 | Sterilization composition containing glucan |
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| CN110973161A true CN110973161A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911187496.7A Pending CN110973161A (en) | 2019-11-28 | 2019-11-28 | Sterilization composition containing glucan |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103609561A (en) * | 2013-12-06 | 2014-03-05 | 郭红甫 | Rice blast prevention and control insecticide |
| CN108184879A (en) * | 2017-12-28 | 2018-06-22 | 柳州市惠农化工有限公司 | A kind of composition containing copper 8-hydroxyquinolinate and Propineb, preparation method and applications |
-
2019
- 2019-11-28 CN CN201911187496.7A patent/CN110973161A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103609561A (en) * | 2013-12-06 | 2014-03-05 | 郭红甫 | Rice blast prevention and control insecticide |
| CN108184879A (en) * | 2017-12-28 | 2018-06-22 | 柳州市惠农化工有限公司 | A kind of composition containing copper 8-hydroxyquinolinate and Propineb, preparation method and applications |
Non-Patent Citations (2)
| Title |
|---|
| 余本水: "《原药供应手册 （2007-2008年版）》", 31 October 2007, 中国农业出版社 * |
| 马安民等: "《园林植物杀菌剂应用技术》", 31 October 2016, 河南科学技术出版社 * |
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