CN105191997A - Fungicide containing prochloraz and scutellaria baicalensis - Google Patents
Fungicide containing prochloraz and scutellaria baicalensis Download PDFInfo
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- CN105191997A CN105191997A CN201510486365.4A CN201510486365A CN105191997A CN 105191997 A CN105191997 A CN 105191997A CN 201510486365 A CN201510486365 A CN 201510486365A CN 105191997 A CN105191997 A CN 105191997A
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- fungicide
- prochloraz
- scutellaria baicalensis
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- bactericide
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Abstract
The invention relates to a fungicide containing prochloraz and scutellaria baicalensis. The active ingredients of the fungicide are prochloraz and scutellaria baicalensis with the weight ratio of scutellaria baicalensis to prochloraz of (1-6):(10-50). The invention also discloses application of the fungicide to the prevention and control of rice sheath blight disease. According to the invention, the traditional Chinese medicine scutellaria baicalensis is compounded with the fungicide; experiments show that after scutellaria baicalensis is added to the components of the fungicide, the fungicide can reverse the resistance of pathogen to the fungicide, so as to improve the prevention and control effects of the fungicide, greatly reduce the drug cost and drug residual, bring higher economic returns to farmers and meanwhile can ensure the food safety.
Description
Technical field
The present invention relates to technical field of pesticide, specifically a kind of bactericide containing Prochloraz and the root of large-flowered skullcap.
Background technology
Prochloraz is a kind of wide-spectrum bactericide, chemical name: N-propyl group-N-[2-(2,4,6-Trichlorophenoxy) ethyl]-imidazoles-1-formamide, and molecular formula is:
To the disease that various crop is caused by sac fungi and imperfect fungus, there is obvious preventive effect, also can be mixed with most of bactericide, Insecticides (tech) & Herbicides (tech), all there is good control efficiency.To the multiple diseases on field crop, fruit and vegetable, turf and ornamental plants, there is treatment and eradicant action.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 Prochloraz and the root of large-flowered skullcap 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 Prochloraz and the root of large-flowered skullcap, active ingredient is made up of Prochloraz and the root of large-flowered skullcap, and the described root of large-flowered skullcap and the weight ratio of Prochloraz 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 baikal skullcap root and microbiocidal composition mixture, test proves, add the root of large-flowered skullcap 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 root of large-flowered skullcap 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 root of large-flowered skullcap 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 is 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 root of large-flowered skullcap single dose does not almost affect for Rhizoctonia solani Kuhn, therefore the present invention calculate composite co-toxicity coefficient time by the EC of root of large-flowered skullcap 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 root of large-flowered skullcap 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 root of large-flowered skullcap 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 root of large-flowered skullcap and bactericide, add the water extract of the root of large-flowered skullcap 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 root of large-flowered skullcap and bactericide are 6:50 mixture (%) |
| Propiconazole | 73.6 | 83.1 |
| SYP-3375 | 71.1 | 89.8 |
| Carbendazim | 66.8 | 84.2 |
| Epoxiconazole | 72.7 | 86.5 |
| Prochloraz | 67.0 | 94.2 |
| Fluoxastrobin | 69.3 | 91.6 |
| Thifluzamide | 73.3 | 87.9 |
| Tetraconazole | 73.4 | 87.7 |
| Tebuconazole | 67.2 | 87.3 |
| Azoles alcohol | 70.7 | 87.4 |
| Jinggangmeisu | 43.5 | 41.4 |
| Difenoconazole | 64.8 | 66.9 |
As can be known from the above table: the root of large-flowered skullcap 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 root of large-flowered skullcap 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 Prochloraz and the root of large-flowered skullcap, it is characterized in that, active ingredient is made up of Prochloraz and the root of large-flowered skullcap, and the described root of large-flowered skullcap and the weight ratio of Prochloraz 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 |
|---|---|---|---|
| CN201510486365.4A CN105191997A (en) | 2015-08-10 | 2015-08-10 | Fungicide containing prochloraz and scutellaria baicalensis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486365.4A CN105191997A (en) | 2015-08-10 | 2015-08-10 | Fungicide containing prochloraz and scutellaria baicalensis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105191997A true CN105191997A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510486365.4A Pending CN105191997A (en) | 2015-08-10 | 2015-08-10 | Fungicide containing prochloraz and scutellaria baicalensis |
Country Status (1)
| Country | Link |
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| CN (1) | CN105191997A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106342867A (en) * | 2016-08-31 | 2017-01-25 | 江苏星源生物科技有限公司 | Bactericidal composite of rice sheath blight disease and application of bactericidal composite |
| CN107347925A (en) * | 2017-06-15 | 2017-11-17 | 广西南宁乐蕊生物科技有限责任公司 | A kind of Synergistic bactericidal composition |
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| CN101524081A (en) * | 2009-04-07 | 2009-09-09 | 龚亚慧 | Compound bactericide and application thereof |
| CN102960377A (en) * | 2012-11-26 | 2013-03-13 | 大连创达技术交易市场有限公司 | Compound fruit and vegetable bactericide |
| CN103563958A (en) * | 2012-08-09 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing prochloraz and lentinan and application thereof |
| CN103563957A (en) * | 2012-08-04 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing prochloraz and biological source fungicide, and application of composition |
| CN104336089A (en) * | 2014-09-28 | 2015-02-11 | 句容市农业技术推广中心 | Rice blast prevention and control agent |
-
2015
- 2015-08-10 CN CN201510486365.4A patent/CN105191997A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| CN101524081A (en) * | 2009-04-07 | 2009-09-09 | 龚亚慧 | Compound bactericide and application thereof |
| CN103563957A (en) * | 2012-08-04 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing prochloraz and biological source fungicide, and application of composition |
| CN103563958A (en) * | 2012-08-09 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing prochloraz and lentinan and application thereof |
| CN102960377A (en) * | 2012-11-26 | 2013-03-13 | 大连创达技术交易市场有限公司 | Compound fruit and vegetable bactericide |
| CN104336089A (en) * | 2014-09-28 | 2015-02-11 | 句容市农业技术推广中心 | Rice blast prevention and control agent |
Non-Patent Citations (4)
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| 嵇保中: "《林木化学保护学》", 31 August 2011, 中国林业出版社 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106342867A (en) * | 2016-08-31 | 2017-01-25 | 江苏星源生物科技有限公司 | Bactericidal composite of rice sheath blight disease and application of bactericidal composite |
| CN107347925A (en) * | 2017-06-15 | 2017-11-17 | 广西南宁乐蕊生物科技有限责任公司 | A kind of Synergistic bactericidal composition |
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Application publication date: 20151230 |