CN104982463A - Bactericide containing coumoxystrobin and astragalus membranaceus - Google Patents
Bactericide containing coumoxystrobin and astragalus membranaceus Download PDFInfo
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- CN104982463A CN104982463A CN201510474796.9A CN201510474796A CN104982463A CN 104982463 A CN104982463 A CN 104982463A CN 201510474796 A CN201510474796 A CN 201510474796A CN 104982463 A CN104982463 A CN 104982463A
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- bactericide
- astragalus membranaceus
- coumoxystrobin
- radix astragali
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Abstract
The invention relates to a bactericide containing coumoxystrobin and astragalus membranaceus. The bactericide comprises effective components which consist of the coumoxystrobin and the astragalus membranaceus, wherein the weight ratio of the astragalus membranaceus to the coumoxystrobin is 1-6 :10-50. The invention also discloses the application of the bactericide for preventing and treating rice sheath blight diseases. According to the bactericide disclosed by the invention, a traditional Chinese medicine, such as the astragalus membranaceus, is mixed and compounded with the bactericide, and tests prove that after the astragalus membranaceus is added in the bactericide, drug resistance of pathogens to the bactericide can be reversed, so that the preventing and treating effect of the bactericide is improved, the medication cost can be greatly reduced, remained medicines can be greatly reduced, a higher economic benefit can be created for a peasant household, and besides, the food safety is also ensured.
Description
Technical field
The present invention relates to technical field of pesticide, specifically a kind of bactericide containing SYP-3375 and the Radix Astragali.
Background technology
SYP-3375 belongs to methoxy acrylic; chemical name is (E)-2-(2-(3-normal-butyl-4 methyl-coumarin-7-base oxygen base) aminomethyl phenyl)-3-methoxy-methyl acrylate; it is a kind of protective fungicide; have certain therapeutic action concurrently simultaneously; the electron transmission between cytochrome b and c can be blocked, thus suppress mitochondrial respiration, make the biosynthesis block of ATP; fungi lacks energy supply, loses infection ability gradually.Its fungicidal spectrum is wide, effective to melon and fruit, vegetables, fruit tree downy mildew, late blight, scab, anthracnose, leaf mold; Simultaneously to ring spot, anthracnose, cotton wilt, paddy rice pestilence, banded sclerotial blight, root rotof flax, corn southern leaf blight is also effective.In recent years due to its large-area popularization, pathogen is caused to reduce its susceptibility, resistance grow.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiency that above-mentioned existing bactericide exists, a kind of bactericide containing SYP-3375 and the Radix Astragali is provided, overcome that existing bactericide causes due to resistance problems preventive effect reduces, consumption strengthens, residual high and defect that cost is high.
The present invention realizes the technical scheme that above-mentioned purpose takes: a kind of bactericide containing SYP-3375 and the Radix Astragali, active ingredient is made up of SYP-3375 and the Radix Astragali, and the described Radix Astragali and the weight ratio of SYP-3375 are 1-6: 10-50.
The present invention's also application of claimed described bactericide on the water prevention rice sheath blight.
The present invention utilizes Chinese herbal medicine astragalus and microbiocidal composition mixture, test proves, add the Radix Astragali in germicide constituent after, the pesticide resistance of pathogen to bactericide can be reversed, thus improve the control efficiency of bactericide, and can significantly reduce drug cost and medicament residue, for peasant household creates higher economic benefit, also ensure that food security simultaneously.
Embodiment
Below in conjunction with test data and embodiment, technical scheme of the present invention and beneficial effect are described further.
One indoor joint toxicity measuring test
For clear and definite bactericide (propiconazole, SYP-3375, carbendazim, epoxiconazole, prochloraz, Fluoxastrobin, thifluzamide, tetraconazole, Tebuconazole, azoles alcohol, jinggangmeisu, Difenoconazole) and Radix Astragali mixture affect the virulence of Rhizoctonia solani Kuhn, mycelial growth rate method is adopted to carry out indoor measurement.
Rhizoctonia solani Kuhn is separated from surrounding area, Guigang, purifying cultivate after through Koch's Postulates verify its pathogenic after by strain inoculation in PDA medium, at 25 DEG C, under 90% damp condition, cultivate 5d, break into bacterium cake with 0.4cm card punch after mycelia covers with culture dish and use.
The Radix Astragali and bactericide are pressed active ingredient part by weight 1: 10 respectively, 1: 20, 1: 50, 3: 10, 6: 10, 6: 30, 6: 50 mixing are made into binary built agent as mixture 1-mixture 7, bactericide single dose and mixture 1-mixture 7 are respectively diluted 7 concentration according to geometric ratio gradient from 10ppm, blank is made with clear water process, make PDA flat board, arranging without medicament is contrast, every concentration repeats 3 times, after aseptically the bacterium cake accomplished fluently being inverted in the dull and stereotyped central authorities of each process PDA, flat board is placed in 25 DEG C, cultivate under 90% damp condition, investigation result when mycelial growth diameter reaches culture dish diameter about 50%, calculate inhibiting rate, and the EC of each chemicals treatment is calculated by DPS Software of Data Statistics
50and composite co-toxicity coefficient.Because Radix Astragali single dose does not almost affect for Rhizoctonia solani Kuhn, therefore the present invention calculate composite co-toxicity coefficient time by the EC of Radix Astragali single dose
50be designated as 0, the EC of co-toxicity coefficient=composite
50the EC of/bactericide single dose
50.Statistics is as shown in the table.
As can be known from the above table: the Radix Astragali and propiconazole, SYP-3375, carbendazim, epoxiconazole, prochloraz, Fluoxastrobin, thifluzamide, tetraconazole, Tebuconazole, azoles alcohol all have obvious synergistic effect to Rhizoctonia solani Kuhn afterwards in 1-6: 10-50 ratio is composite, and the Radix Astragali and jinggangmeisu, Difenoconazole be added or inhibitory action in composite rear to show Rhizoctonia solani Kuhn of 1-6: 10-50 ratio.
Two field medicine effect tests
Test medicine
12 single doses: propiconazole, SYP-3375, carbendazim, epoxiconazole, prochloraz, Fluoxastrobin, thifluzamide, tetraconazole, Tebuconazole, azoles alcohol, jinggangmeisu, Difenoconazole;
12 mixed agents: be the weight ratio of 6: 50 according to the Radix Astragali and bactericide, add the water extract of the Radix Astragali in above-mentioned single dose.
Test establishes 31 process altogether together with blank, and each process repeats for 3 times, Gong93Ge community, each community randomized arrangement.
Test method
By above-mentioned single dose and mixed agent even spraying, 21 days investigation rice sheath blight disease controlling results after medicine.
Result of the test
| Bactericide | Single dose preventive effect (%) | The Radix Astragali and bactericide are 6: 50 mixtures (%) |
| Propiconazole | 64.55 | 89.60 |
| SYP-3375 | 65.56 | 85.17 |
| Carbendazim | 46.81 | 90.98 |
| Epoxiconazole | 64.02 | 87.89 |
| Prochloraz | 70.40 | 86.23 |
| Fluoxastrobin | 66.82 | 90.63 |
| Thifluzamide | 72.63 | 86.91 |
| Tetraconazole | 64.62 | 85.55 |
| Tebuconazole | 72.22 | 88.20 |
| Azoles alcohol | 71.03 | 88.54 |
| Jinggangmeisu | 52.41 | 51.24 |
| Difenoconazole | 64.38 | 70.24 |
As can be known from the above table: the Radix Astragali and propiconazole, SYP-3375, carbendazim, epoxiconazole, prochloraz, Fluoxastrobin, thifluzamide, tetraconazole, Tebuconazole, azoles alcohol are more obvious than single dose good in the composite rear preventive effect to rice sheath blight disease of 6: 50 ratio, and the Radix Astragali and jinggangmeisu, Difenoconazole are more or less the same in the composite rear preventive effect to rice sheath blight disease of 6: 50 ratio and single dose.
Claims (2)
1. contain a bactericide for SYP-3375 and the Radix Astragali, it is characterized in that, active ingredient is made up of SYP-3375 and the Radix Astragali, and the described Radix Astragali and the weight ratio of SYP-3375 are 1-6: 10-50.
2. the application of bactericide according to claim 1 on the water prevention rice sheath blight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510474796.9A CN104982463A (en) | 2015-08-06 | 2015-08-06 | Bactericide containing coumoxystrobin and astragalus membranaceus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510474796.9A CN104982463A (en) | 2015-08-06 | 2015-08-06 | Bactericide containing coumoxystrobin and astragalus membranaceus |
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| CN104982463A true CN104982463A (en) | 2015-10-21 |
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| CN201510474796.9A Pending CN104982463A (en) | 2015-08-06 | 2015-08-06 | Bactericide containing coumoxystrobin and astragalus membranaceus |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101156606A (en) * | 2007-11-20 | 2008-04-09 | 史建生 | A plants antiseptic as well as preparing method and application |
| CN102940000A (en) * | 2012-11-12 | 2013-02-27 | 周华斌 | Broad-spectrum bactericide of plant source |
| CN102986742A (en) * | 2012-12-18 | 2013-03-27 | 江苏省中国科学院植物研究所 | application of astragalus mongholicus water extract to biopesticides |
| CN103503929A (en) * | 2013-07-03 | 2014-01-15 | 发事达(南通)化工有限公司 | Pesticide composition containing wilfordine and coumoxystrobin, and applications thereof |
-
2015
- 2015-08-06 CN CN201510474796.9A patent/CN104982463A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101156606A (en) * | 2007-11-20 | 2008-04-09 | 史建生 | A plants antiseptic as well as preparing method and application |
| CN102940000A (en) * | 2012-11-12 | 2013-02-27 | 周华斌 | Broad-spectrum bactericide of plant source |
| CN102986742A (en) * | 2012-12-18 | 2013-03-27 | 江苏省中国科学院植物研究所 | application of astragalus mongholicus water extract to biopesticides |
| CN103503929A (en) * | 2013-07-03 | 2014-01-15 | 发事达(南通)化工有限公司 | Pesticide composition containing wilfordine and coumoxystrobin, and applications thereof |
Non-Patent Citations (1)
| Title |
|---|
| 嵇保中: "《林木化学保护学》", 31 August 2011, 中国林业出版社 * |
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