CN105076238A - Fungicide containing thifluzamide and scutellaria baicalensis - Google Patents
Fungicide containing thifluzamide and scutellaria baicalensis Download PDFInfo
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- CN105076238A CN105076238A CN201510486443.0A CN201510486443A CN105076238A CN 105076238 A CN105076238 A CN 105076238A CN 201510486443 A CN201510486443 A CN 201510486443A CN 105076238 A CN105076238 A CN 105076238A
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- fungicide
- thifluzamide
- scutellaria baicalensis
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- flowered skullcap
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Abstract
The invention relates to a fungicide containing thifluzamide and scutellaria baicalensis. The fungicide is composed of the thifluzamide and the scutellaria baicalensis. The weight ratio of the thifluzamide and the scutellaria baicalensis is 1-6 to 10-50. The invention further provides application of the fungicide containing the thifluzamide and the scutellaria baicalensis on prevention and control of the rice sheath blight disease. According to the fungicide, the traditional Chinese medicine scutellaria baicalensis is blended with other ingredients of the fungicide, and it is proved by experiments that after the scutellaria baicalensis is added to the fungicide, the drug resistance of pathogens to the fungicide can be reversed, so that the prevention and control effects of the fungicide are improved, the drug use cost and drug residues can be lowered greatly, higher economic benefits are created for farmers, and meanwhile the food safety is guaranteed.
Description
Technical field
The present invention relates to technical field of pesticide, specifically a kind of bactericide containing thifluzamide and the root of large-flowered skullcap.
Background technology
Thifluzamide, Chinese another name: thifluzamide; The bromo-2-methyl of 2', 6'-bis--4'-trifluoromethoxy-4-Trifluoromethyl-1,3-thiadiazoles-5-hydroxyl anilide; Thiophene fluorine bacterium amine; Thifluzamide/bromo-2-the methyl of 2', 6'-bis--4'-trifluoromethoxy-4-Trifluoromethyl-1,3-thiadiazoles-5-hydroxyl anilide.Thifluzamide is succinate dehydrogenase inhibitor, suppresses succinic acid dehydrogenase in germ tricarbonic acid cycle, causes thalline dead.It has very strong Uptake and translocation performance, can the mode such as foliar spray, seed treatment, soil treatment use.Thifluzamide all has good control efficiency to many kinds of fungal diseases, can be widely used in the various crop such as water paddy and wheat class, peanut, cotton, beet, coffee, potato, lawn.Production is mainly used in the banded sclerotial blight of preventing and treating paddy rice and wheat class.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 thifluzamide 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 thifluzamide and the root of large-flowered skullcap, active ingredient is made up of thifluzamide and the root of large-flowered skullcap, and the described root of large-flowered skullcap and the weight ratio of thifluzamide 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 thifluzamide and the root of large-flowered skullcap, it is characterized in that, active ingredient is made up of thifluzamide and the root of large-flowered skullcap, and the described root of large-flowered skullcap and the weight ratio of thifluzamide 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 |
|---|---|---|---|
| CN201510486443.0A CN105076238A (en) | 2015-08-10 | 2015-08-10 | Fungicide containing thifluzamide and scutellaria baicalensis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486443.0A CN105076238A (en) | 2015-08-10 | 2015-08-10 | Fungicide containing thifluzamide and scutellaria baicalensis |
Publications (1)
| Publication Number | Publication Date |
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| CN105076238A true CN105076238A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510486443.0A Pending CN105076238A (en) | 2015-08-10 | 2015-08-10 | Fungicide containing thifluzamide and scutellaria baicalensis |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637164A (en) * | 2009-09-03 | 2010-02-03 | 浙江省桐庐汇丰生物化工有限公司 | Compound pesticide for protecting and curing rice sheath blight |
| CN102771486A (en) * | 2012-08-16 | 2012-11-14 | 林宝峰 | Sterilization composition used for preventing and controlling rice sheath blight disease |
| CN103004811A (en) * | 2012-12-19 | 2013-04-03 | 青岛东生药业有限公司 | Compound bactericide |
| CN103651440A (en) * | 2013-12-20 | 2014-03-26 | 北京燕化永乐生物科技股份有限公司 | Complex bactericide |
-
2015
- 2015-08-10 CN CN201510486443.0A patent/CN105076238A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637164A (en) * | 2009-09-03 | 2010-02-03 | 浙江省桐庐汇丰生物化工有限公司 | Compound pesticide for protecting and curing rice sheath blight |
| CN102771486A (en) * | 2012-08-16 | 2012-11-14 | 林宝峰 | Sterilization composition used for preventing and controlling rice sheath blight disease |
| CN103004811A (en) * | 2012-12-19 | 2013-04-03 | 青岛东生药业有限公司 | Compound bactericide |
| CN103651440A (en) * | 2013-12-20 | 2014-03-26 | 北京燕化永乐生物科技股份有限公司 | Complex bactericide |
Non-Patent Citations (4)
| Title |
|---|
| 嵇保中: "《林木化学保护学》", 31 August 2011, 中国林业出版社 * |
| 赵宝颖: "黄芩地上部分化学成分研究", 《中国优秀硕士学位论文全文数据库 医药卫生科技辑》 * |
| 钟增有: "不同杀菌剂防治水稻纹枯病田间药效试验", 《上海农业科学》 * |
| 马勇 等: "不同杀菌剂对水稻纹枯病的田间防效研究", 《现代农业科技》 * |
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Application publication date: 20151125 |