CN109997855A - A kind of suspension seed-coating agent for preventing and treating smut of maize - Google Patents
A kind of suspension seed-coating agent for preventing and treating smut of maize Download PDFInfo
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- CN109997855A CN109997855A CN201910364414.5A CN201910364414A CN109997855A CN 109997855 A CN109997855 A CN 109997855A CN 201910364414 A CN201910364414 A CN 201910364414A CN 109997855 A CN109997855 A CN 109997855A
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- 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
- A01N43/22—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 rings with more than six members
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of suspension seed-coating agents for preventing and treating maize head smut, include brassin lactones class compound and new Fungicidal compounds, and the new Fungicidal compounds are selected from any one of following compounds A or compound B or two kinds of combination.Composition pesticide of the present invention can adjust plant physiology and metabolism comprehensively, effectively enhance the disease resistance and resistance of plant, further strengthen the prevention and control ability of maize head smut, protect produce to greatest extent.
Description
Technical field
The invention belongs to seed processing technology field more particularly to a kind of suspension seed-coating agents for preventing and treating smut of maize.
Background technique
Maize head smut is a kind of common disease of corn, and general only infringement female fringe and tassel infect blade occasionally, formed
Long fusiform spot splits and sheds black powder or grow filiform along breach.Diseased plant is downgraded more, and tiller increases.It is caused so as to cause corn
It drops in production over a large area.
It is at present that prevention and treatment maize head smut is most easy, one of effective means using seed coat agent packaging technique.In the market
The seed coat agent of sale prevention and treatment maize head smut is many kinds of, and ingredient is different, but is usually to contain triazolone, Triadimenol, alkene azoles
The triazole bactericidal agent of the ingredients such as alcohol, wherein triazolone, the Triadimenol control efficiency under drought condition are unstable, and olefin conversion is such as
Improper use can generate serious phytotoxicity after meeting low temperature, current application at most, be most widely the kind clothing containing Tebuconazole ingredient
Agent.As many years of Tebuconazole seed coat agent are applied, preventive effect is also declined, and to some low-temperature-sensitives after seed coat agent chance low temperature
Sense kind also generates phytotoxicity.Therefore, it is badly in need of to corn growth safety and can replace the corn seed coating of Tebuconazole preventive effect in the market
Agent.
Summary of the invention
The present invention provides a kind of suspension seed-coating agents for preventing and treating smut of maize, comprising brassin lactones class compound and newly
Fungicidal compounds, the new Fungicidal compounds are selected from any one of following compounds A or compound B or two kinds of combination:
Further, the suspension seed-coating agent also includes wetting dispersing agent, thickener, film forming agent and warning coloration.
Further, weight percentage of each component in the suspension seed-coating agent are as follows: brassin lactones class compound
0.0001%~1%, new Fungicidal compounds 0.1%~5.0%, wetting dispersing agent 0.5%~10.%, thickener 0.5%~
2.5%, film forming agent 2.0%~5.0%, warning coloration 2.0%~4.0%, surplus is supplied with water.
Further, the brassin lactones class compound is 22,23,24- table brassin lactones, in 24- table brassin
One in ester, the high brassin lactones of 28- table, 28- high brassin lactones, propionylbrassinolide and 14- hydroxyl brassinosteroids
Kind or several mixing.
Further, the wetting dispersing agent is selected from one of agriculture breast 500, agricultural emulsifier NO.600 or agriculture breast 60 or several
The mixing of kind.
Further, the thickener in xanthan gum, Arabic gum, agar, sodium alginate or aluminium-magnesium silicate one
Kind or several mixing.
Further, the film forming agent is selected from polyvinyl alcohol, acrylic resin, polyethylene, acrylate modified butadiene
The mixing of one or more of resin or film forming agent 805.
Further, the warning coloration is selected from one of alkaline royal blue, acid scarlet, alkalescent light green or basic fuchsin.
A kind of new Fungicidal compounds, have following structure formula:
Further, the preparation method of the Fungicidal compounds A comprises the steps of:
1) it is methylated to obtain intermediate I by o-Tolylacetic acid through methanol, reaction equation are as follows:
2) intermediate I is reacted under the action of NaH with methyl formate generates intermediate II, reaction equation are as follows:
3) intermediate II and dimethyl suflfate carry out esterification and generate intermediate III, reaction equation are as follows:
4) intermediate III generates intermediate IV, reaction equation with NBS bromo-reaction are as follows:
5) intermediate IV and 3-hydroxy-5-methylisoxazole generate the Fungicidal compounds under the action of potassium carbonate
A, reaction equation are as follows:
A kind of new Fungicidal compounds, have following structure formula:
Further, the preparation method of the Fungicidal compounds B comprises the steps of:
(1) it is reacted by 1- (4- fluoro-3-pyridine base) ethyl ketone with triazole and obtains intermediate V, reaction equation are as follows:
(2) it is reacted by intermediate V with N- methyl hydroxylamine hydrochloride and obtains intermediate VI, reaction equation are as follows:
(3) intermediate VI generates the Fungicidal compounds B, reaction equation with p-chlorostyrene cyclization are as follows:
As can be seen from the above technical solutions, the invention has the advantages that
The present invention provides a kind of suspension seed-coating agents for preventing and treating maize head smut, especially when existing fungicide encounters
When resistance problems, formulation application significant effect of the present invention, prevention and therapeutic effect are good, can reduce dosage, meet state
The agricultural development direction of family's " decrement synergy agricultural "；And composition pesticide of the present invention can adjust comprehensively plant physiology and
Metabolism, effectively increases the disease resistance and resistance of plant, further strengthens the prevention and control ability of maize head smut, protect to greatest extent
It produces.
Specific embodiment
It is described in detail below with reference to embodiment:
Embodiment 1
The composition (weight percent) of the suspension seed-coating agent of the present embodiment:
Propionylbrassinolide 0.01%, compound A-45 %, agriculture breast 600 2.0%, aluminium-magnesium silicate 1.0%, film forming agent are poly-
Vinyl alcohol 5.0%, alkaline royal blue 5.0%, remaining is supplied with water.
Embodiment 2
The composition (weight percent) of the present embodiment suspension seed-coating agent
14- hydroxyl brassinosteroids 0.01%, compound B5%, agriculture breast 500 1.9%, aluminium-magnesium silicate 0.5%, film forming agent
Acrylate modified butadiene resin 2.0%, acid scarlet 3.0%, remaining is supplied with water.
Embodiment 3
The composition (weight percent) of the suspension seed-coating agent of the present embodiment:
The high brassin lactones 0.005% of 28- table, compound A1.0%, agriculture breast 600 2.0%, aluminium-magnesium silicate 1.0%, at
Film polyvinyl alcohol 5.0%, alkaline royal blue 5.0%, remaining is supplied with water.
Embodiment 4
The composition (weight percent) of the suspension seed-coating agent of the present embodiment:
24- table brassin lactones 0.005%, compound B-11 .0%, agriculture breast 500 1.9%, aluminium-magnesium silicate 0.5%, film forming
The acrylate modified butadiene resin 2.0% of agent, acid scarlet 3.0%, remaining is supplied with water.
Comparative example 1
The composition (weight percent) of the suspension seed-coating agent of this comparative example:
Propionylbrassinolide 0.01%, agriculture breast 600 2.0%, aluminium-magnesium silicate 1.0%, film forming agent polyvinyl alcohol 5.0%,
Alkaline royal blue 5.0%, remaining is supplied with water.
Comparative example 2
The composition (weight percent) of the suspension seed-coating agent of this comparative example:
14- hydroxyl brassinosteroids 0.01%, agriculture breast 500 1.9%, aluminium-magnesium silicate 0.5%, film forming agent acrylate change
Property butadiene resin 2.0%, acid scarlet 3.0%, remaining is supplied with water.
Comparative example 3
The composition (weight percent) of the suspension seed-coating agent of this comparative example:
Compound A-45 %, agriculture breast 600 2.0%, aluminium-magnesium silicate 1.0%, film forming agent polyvinyl alcohol 5.0%, alkaline royal blue
5.0%, remaining is supplied with water.
Comparative example 4
The composition (weight percent) of this comparative example suspension seed-coating agent
Compound B5%, agriculture breast 500 1.9%, aluminium-magnesium silicate 0.5%, the acrylate modified butadiene resin of film forming agent
2.0%, acid scarlet 3.0%, remaining is supplied with water.
Comparative example 5
The composition (weight percent) of the suspension seed-coating agent of this comparative example:
Tebuconazole 5%, agriculture breast 600 2.0%, aluminium-magnesium silicate 1.0%, film forming agent polyvinyl alcohol 5.0%, alkaline royal blue
5.0%, remaining is supplied with water.
The structural formula of compound A described in above-mentioned each group embodiment and comparative example and compound B is respectively as follows:
Wherein, compound A's the preparation method comprises the following steps:
1) it is methylated to obtain intermediate I by o-Tolylacetic acid through methanol, reaction equation are as follows:
2) intermediate I is reacted under the action of NaH with methyl formate generates intermediate II, reaction equation are as follows:
3) intermediate II and dimethyl suflfate carry out esterification and generate intermediate III, reaction equation are as follows:
4) intermediate III generates intermediate IV, reaction equation with NBS bromo-reaction are as follows:
5) intermediate IV and 3-hydroxy-5-methylisoxazole generate the Fungicidal compounds under the action of potassium carbonate
A, reaction equation are as follows:
Compound B's the preparation method comprises the following steps:
(1) it is reacted by 1- (4- fluoro-3-pyridine base) ethyl ketone with triazole and obtains intermediate V, reaction equation are as follows:
(2) it is reacted by intermediate V with N- methyl hydroxylamine hydrochloride and obtains intermediate VI, reaction equation are as follows:
(3) intermediate VI generates the Fungicidal compounds B, reaction equation with p-chlorostyrene cyclization are as follows:
Field efficacy experiment
The suspension seed-coating agent of Examples 1 to 4 and comparative example 1~5 is used to be coated fine corn seeds, the used time should sufficiently shake up,
Water or other substances are not added, are coated using machinery, pesticide-seeds ratio is 1:50~60.
What is wherein respectively handled prevents effect from being analyzed with Duncan Multiple range test experimental data, and using following equalities into
Row calculates:
Infected plant leads %=(infected plant number)/(monitoring plant sum) × 100%；
Control rate %=(in blank control field infected plant lead-treated field in infected plant lead)/(blank
Infected plant leads in control field) × 100%.
The effect of each processing prevention and treatment maize head smut:
| Test serial number | Experiment process | Infected plant number % | Control rate % |
| 1 | Clear water control | 48.3 | / |
| 2 | Embodiment 1 | 9.6 | 80.12 |
| 3 | Embodiment 2 | 7.4 | 84.68 |
| 4 | Embodiment 3 | 12.7 | 73.71 |
| 5 | Embodiment 4 | 11.4 | 76.40 |
| 6 | Comparative example 1 | 32.2 | 33.33 |
| 7 | Comparative example 2 | 34.0 | 29.61 |
| 8 | Comparative example 3 | 28.9 | 60.17 |
| 9 | Comparative example 4 | 26.7 | 64.72 |
| 10 | Comparative example 5 | 20.5 | 75.56 |
Effect of each processing to corn yield:
| Test serial number | Experiment process | Yield, kg/ha | Yield enhancing rate % |
| 1 | Clear water control | 5053 | / |
| 2 | Embodiment 1 | 8937 | 76.87 |
| 3 | Embodiment 2 | 9012 | 78.35 |
| 4 | Embodiment 3 | 8538 | 68.97 |
| 5 | Embodiment 4 | 8690 | 71.98 |
| 6 | Comparative example 1 | 6155 | 21.81 |
| 7 | Comparative example 2 | 6039 | 19.51 |
| 8 | Comparative example 3 | 6520 | 49.03 |
| 9 | Comparative example 4 | 6672 | 52.04 |
| 10 | Comparative example 5 | 7023 | 58.99 |
From the above results, composition pesticide of the present invention can effectively increase the disease resistance of plant and degeneration-resistant
Property, compared with the prior art in common Tebuconazole (i.e. comparative example 5), the prevention and control energy of maize head smut can be further strengthened
Power protects produce to greatest extent.Comparative example 1 and comparative example 1, comparative example 3 are it is found that the homemade compound A of the present invention and brassin
Lactone compound has synergistic effect, to be significantly better than compound A or rue to the prevention and treatment of smut of maize after the two mixing
The effect that the single ingredient of tongue fur element lactone compound is played；Likewise, comparative example 2 and comparative example 2, comparative example 4 it is found that
The homemade compound B of the present invention also has similar synergistic effect with brassin lactones class compound.
Technical solution provided by the present invention is described in detail above, for those of ordinary skill in the art,
Thought according to an embodiment of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (9)
1. a kind of suspension seed-coating agent for preventing and treating smut of maize, which is characterized in that kill comprising brassin lactones class compound and newly
Bacterium compound, the new Fungicidal compounds are selected from any one of following compounds A or compound B or two kinds of combination:
2. a kind of suspension seed-coating agent for preventing and treating smut of maize according to claim 1, which is characterized in that the suspension kind
Clothing agent also includes wetting dispersing agent, thickener, film forming agent and warning coloration.
3. a kind of suspension seed-coating agent for preventing and treating smut of maize according to claim 2, which is characterized in that the suspension kind
Weight percentage of each component in clothing agent are as follows: brassin lactones class compound 0.0001%-1%, new Fungicidal compounds 0.1%~
5.0%, wetting dispersing agent 0.5%~10.%, thickener 0.5%~2.5%, film forming agent 2.0%~5.0%, warning coloration
2.0%~4.0%, surplus is supplied with water.
4. a kind of suspension seed-coating agent for preventing and treating smut of maize according to claim 3, which is characterized in that the brassin
Lactone compound is 22,23,24- table brassin lactones, 24- table brassin lactones, the high brassin lactones of 28- table, 28- Gao Yun
The mixing of one or more of tongue fur element lactone, propionylbrassinolide and 14- hydroxyl brassinosteroids.
5. a kind of suspension seed-coating agent for preventing and treating smut of maize according to claim 3, which is characterized in that the wetting point
Powder is selected from the mixing of one or more of agriculture breast 500, agricultural emulsifier NO.600 or agriculture breast 60；The thickener is selected from xanthan
The mixing of one or more of glue, Arabic gum, agar, sodium alginate or aluminium-magnesium silicate；The film forming agent is selected from polyethylene
The mixing of one or more of alcohol, acrylic resin, polyethylene, acrylate modified butadiene resin or film forming agent 805；Institute
It states warning coloration and is selected from one of alkaline royal blue, acid scarlet, alkalescent light green or basic fuchsin.
6. a kind of new Fungicidal compounds, which is characterized in that have following structure formula:
7. a kind of new Fungicidal compounds as claimed in claim 6, which is characterized in that the preparation method of the Fungicidal compounds A
It comprises the steps of:
1) it is methylated to obtain intermediate I by o-Tolylacetic acid through methanol, reaction equation are as follows:
2) intermediate I is reacted under the action of NaH with methyl formate generates intermediate II, reaction equation are as follows:
3) intermediate II and dimethyl suflfate carry out esterification and generate intermediate III, reaction equation are as follows:
4) intermediate III generates intermediate IV, reaction equation with NBS bromo-reaction are as follows:
5) intermediate IV and 3-hydroxy-5-methylisoxazole generate the Fungicidal compounds A under the action of potassium carbonate, instead
Answer formula are as follows:
8. a kind of new Fungicidal compounds, which is characterized in that have following structure formula:
9. a kind of new Fungicidal compounds as claimed in claim 8, which is characterized in that the preparation method of the Fungicidal compounds B
It comprises the steps of:
(1) it is reacted by 1- (4- fluoro-3-pyridine base) ethyl ketone with triazole and obtains intermediate V, reaction equation are as follows:
(2) it is reacted by intermediate V with N- methyl hydroxylamine hydrochloride and obtains intermediate VI, reaction equation are as follows:
(3) intermediate VI generates the Fungicidal compounds B, reaction equation with p-chlorostyrene cyclization are as follows:
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910364414.5A CN109997855A (en) | 2019-04-30 | 2019-04-30 | A kind of suspension seed-coating agent for preventing and treating smut of maize |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910364414.5A CN109997855A (en) | 2019-04-30 | 2019-04-30 | A kind of suspension seed-coating agent for preventing and treating smut of maize |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964309A (en) * | 2012-09-07 | 2013-03-13 | 开封田威生物化学有限公司 | Isoxazolyl substituted methoxy acrylate compound and preparation method thereof |
| CN104186484A (en) * | 2014-09-08 | 2014-12-10 | 赵伟 | Synergistic difenoconazole dispersible tablets and preparation method thereof |
| CN104255774A (en) * | 2014-10-22 | 2015-01-07 | 武威春飞作物科技有限公司 | Suspended seed coating for preventing and curing corn smut and preparation method thereof |
| CN104365636A (en) * | 2014-11-19 | 2015-02-25 | 吉林省农业科学院 | Multi-component compound seed coating agent applied to corns in northeast region |
| CN105494387A (en) * | 2015-12-16 | 2016-04-20 | 江苏辉丰农化股份有限公司 | Pesticide composition |
-
2019
- 2019-04-30 CN CN201910364414.5A patent/CN109997855A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964309A (en) * | 2012-09-07 | 2013-03-13 | 开封田威生物化学有限公司 | Isoxazolyl substituted methoxy acrylate compound and preparation method thereof |
| CN104186484A (en) * | 2014-09-08 | 2014-12-10 | 赵伟 | Synergistic difenoconazole dispersible tablets and preparation method thereof |
| CN104255774A (en) * | 2014-10-22 | 2015-01-07 | 武威春飞作物科技有限公司 | Suspended seed coating for preventing and curing corn smut and preparation method thereof |
| CN104365636A (en) * | 2014-11-19 | 2015-02-25 | 吉林省农业科学院 | Multi-component compound seed coating agent applied to corns in northeast region |
| CN105494387A (en) * | 2015-12-16 | 2016-04-20 | 江苏辉丰农化股份有限公司 | Pesticide composition |
Non-Patent Citations (4)
| Title |
|---|
| MULLEN ET.AL: ""Studies on antifungal agents. 23. Novel substituted 3,5-diphenyl-3-(1H-imidazol-1-ylmethyl)-2-alkylisoxazolidine derivatives"", 《JOURNAL OF MEDICINAL CHEMISTRY》 * |
| PREETI CHAUDHARY ET AL.: ""Synthesis and antifungal potential of 1,2,3-triazole and 1,2,4- triazole thiol substituted strobilurin derivatives"", 《INDIAN JOURNAL OF CHEMISTRY》 * |
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