CN102258037B - Containing the bactericidal composition of benziothiazolinone and Tebuconazole - Google Patents
Containing the bactericidal composition of benziothiazolinone and Tebuconazole Download PDFInfo
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- CN102258037B CN102258037B CN201110135722.4A CN201110135722A CN102258037B CN 102258037 B CN102258037 B CN 102258037B CN 201110135722 A CN201110135722 A CN 201110135722A CN 102258037 B CN102258037 B CN 102258037B
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Abstract
The present invention relates to a kind of microbicide compositions, more particularly relate to the bactericidal composition of a kind of active princlple benziothiazolinone and Tebuconazole, wherein the weight ratio of benziothiazolinone and Tebuconazole is preferably 1: 80 ~ 7: 1, is more preferably 1: 20 ~ 1: 1.This bactericidal composition is applicable to the water prevention rice sheath blight and rice green smut.
Description
Technical field
The present invention relates to the bactericidal composition of a kind of water prevention rice sheath blight and false smut.More particularly, the present invention relates to a kind of bactericidal composition containing benziothiazolinone and Tebuconazole and said composition is used for the purposes of the water prevention rice sheath blight and rice green smut.
Technical background
Rice sheath blight disease and rice green smut are the Major Diseases in Rice Production.South China of China, Central China and East China morbidity are comparatively serious, and also there is generation in North China, northeast and rice in Yunnan district, and some areas are heavier, and the general underproduction 5 ~ 10% of diseased region, the serious region underproduction reaches 50 ~ 70%.False smut all has generation in each rice workspace of China, and false smut can cause production loss, more seriously affects paddy quality.
For a long time, in Rice Production, the control of rice sheath blight disease depends on jinggangmeisu.Jinggangmeisu is longer for service life, and dosage increases year by year, and occurrence frequency and the severity of rice sheath blight disease show ascendant trend.Number of times now for preventing and treating banded sclerotial blight is increased to current 4 ~ 5 times/year from 2 before 20 years times/year, usage amount also from before 1.5 kilograms/hectare be increased to current 4.5 ~ 6.0 kilograms/hectare, the continuation jinggangmeisu water prevention rice sheath blight also exists huge risk.The control of rice green smut depends on organic copper, organic tin medicament, and this type of heavy metal medicament easily produces poisoning to paddy rice and easily richness is long-pending residual in rice, affects the quality of rice.Along with the fast development of economy and the raising of living standards of the people, the requirement of people to paddy quality and output is more and more higher.Green rice is produced in the urgent need to while reducing the production loss caused by damage by disease and insect as far as possible, reduces the consumption of chemical pesticide and remains, keeping the natural quality of rice, therefore, develop new pesticide control and seem very important and urgent.
Benziothiazolinone (Benziothiazolinone) belongs to different thiazoles compound, a kind of efficient, low toxicity, broad-spectrum germicide, its mechanism of action is mainly: with the anion binding of the surface of cell membrane of bacterium, mould or react with sulfydryl, destroy the synthetic system of protein and cell membrane, thus anti-bacteria, mould breeding, interference pathogen cell metabolism, make its physiologic derangement cause pathogen dead.This compound all has good control efficiency to bacterium, fungus-caused corps diseases.And it is fool proof to crops.Tebuconazole (tebuconazole) be developed by Beyer Co., Ltd there is interior suction, protection, treat and root out active triazole bactericidal agent; belong to ergosterol biosynthesis inhibitor, can be partially absorbed and mainly shift to top by plant is vegetative rapidly.It not only has bactericidal activity, also can Promoting plant growth, makes it that well developed root system, leaf look dark green, robust plant, effective tiller increase, thus improve output
The bactericidal composition of benziothiazolinone and Tebuconazole not only has excellent therapeutic action to rice sheath blight disease and false smut, and has unforeseeable synergistic function.
Summary of the invention
An object of the present invention is just to provide a kind of bactericidal composition containing benziothiazolinone and Tebuconazole, and it has excellent synergy control efficiency.
Another object of the present invention is to provide the preparation method of described bactericidal composition and the purposes for the water prevention rice sheath blight and false smut thereof.
Synergistic bactericidal composition of the present invention contains the aforesaid active principles in combination of enhancing effective amount, and the ratio between active component can change within a large range.Wherein, the weight ratio of benziothiazolinone and Tebuconazole is preferably 1: 80 ~ 7: 1, most preferably is 1: 20 ~ 1: 1.Generally speaking, in composition, the weight percentage of benziothiazolinone is 1-10%, and the weight percentage of Tebuconazole is 10 ~ 25%.
Synergistic bactericidal composition of the present invention can be mixed with various conventional formulation, as suspending agent, water dispersible granules, wetting powder, paste etc.Administration form depends on specific application; In all cases, must ensure that their dispersion is trickle as much as possible and even.
The formulation of these preparations is environmental protection formulation, by reactive compound and liquid flux and solid carrier are mixed, if needed, surfactant can be added as emulsifier, dispersant, wetting agent simultaneously, thickener, defoamer, antifreeze, disintegrant etc. can also be added.
The synthetic mineral matter (such as high molecular silicic acid, silicate etc.) that conventional solid carrier has natural mineral matter (such as kaolin, talcum, bentonite, attapulgite) and grinds
Surfactant can be emulsifier, dispersant or wetting agent; Material as dispersant and wetting agent has: sodium lignin sulfonate, pull open powder, calcium lignosulfonate and sldium lauryl sulfate, alkylol polyoxyethylene groups ether sodium sulfate, octylphenol polyethylene oxyethylene group ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, sodium alkyl sulfate, neopelex etc.
Thickener can be the such as carbonyl methylol, polyvinyl alcohol or the polyvinyl acetate that synthesize; or natural water-soluble polymer; such as xanthans, gelatin, gum Arabic, phenolic resins, shellac, carboxymethyl cellulose and sodium alginate etc., add in preparation with powder, particle or latex form.
The application dosage of the present composition, according to the difference of the factors such as Different Crop, time of application, weather conditions, is generally 50 ~ 300ga..i./ha, preferably 150 ~ 300ga..i./ha, generally adopts foliar spray.
Bactericidal composition of the present invention has the following advantages: one is that this bactericidal composition shows fabulous synergistic effect in certain ratio range, mixed composition comparatively its single dose significantly improves bactericidal effect, thus reduce application dosage, while reducing drug cost, reduce the impact on environment; Two is expand fungicidal spectrum, and a kind of medicament can prevent and treat multiple diseases simultaneously.Synergistic bactericidal composition of the present invention all has excellent antimicrobial therapy effect to rice sheath blight disease and false smut.
Embodiment
Following examples further describe the present invention, but never limit the scope of the present invention.In the proportioning of all preparations, percentage is all weight percentage; The treatment dosage of biologically-active moiety is effective content.
Example of formulations 1
50% benziothiazolinone Tebuconazole wetting powder
By above-mentioned recipe requirements, by the fully mixing such as former medicine, various auxiliary agent and filler, after ultra-fine pulverizer disintegrating, namely obtain converted products.
Example of formulations 2
30% benziothiazolinone Tebuconazole aqueous suspension agent
By above-mentioned recipe requirements, former medicine, emulsifier and antifreeze, increasing are hanged agent, water, etc. mix, after high-speed stirred, grind 2 times, form the aqueous suspension agent of favorable dispersibility.
Example of formulations 3
30% benziothiazolinone tebuconazole water dispersible granule
Water dispersible granules is a kind of energy disintegration dispersion rapidly in water, and can make active ingredient in water, form the spheroidizing formulation of higher suspension state.Water dispersible granules is environmentally friendly, can reduce the pollution of chemical pesticide to environment to greatest extent.Water dispersible granules Recipe requires high, and manufacturing procedure is comparatively complicated.Water-dispersible grain agent producing process has diversity, and have spray drying process, fluid-bed drying, freeze-drying, the fluidized bed process that usually adopt at present engage extrusion etc.
Biological Examples 1
Synergy test
Measure bactericide benziothiazolinone, Tebuconazole and Different Weight than the EC50 combined and relative virus force index (TI) with Sun Yunpei (1960) co-toxicity coefficient method, and be calculated as follows the theoretical toxicity index (TTI) of mixture and mixture co-toxicity coefficient (CTC):
The active ingredient percentage of toxicity index × A medicine in mixture of the theoretical toxicity index=A medicine of mixture
The active ingredient percentage of toxicity index × B medicine in mixture of+B medicine
+……
Result is as shown in table 1:
Table 1 benziothiazolinone, Tebuconazole and mixture thereof are to the toxicity test of Rhizoctonia solani Kuhn
As shown in Table 1, the present invention has obvious synergistic effect containing the bactericidal composition of benziothiazolinone and Tebuconazole.
Biological Examples 2 prevents and treats rice green smut test
Sample A: benziothiazolinone Tebuconazole WG (example of formulations 3); Contrast: 20% jinggangmeisu WP;
Place: Jinhua, Zhejiang; Dispenser period: 2-3 days before late tillering state cut, false smut initial phase; Investigation: after medicine 30 days; Time: on July 15th, 2009.
Result is as shown in table 2 below.
After table 2 medicine, 30 days each chemicals treatment are to the control efficiency of false smut
Conclusion: sample AWG tri-all has good control efficiency for examination concentration to rice green smut, and after particularly 6500 times, 3000 times secondary medicines, the preventive effect of 7 days, 14 days all reaches pole significance level compared with contrast medicament jinggangmeisu.
The biological Examples 3 water prevention rice sheath blight is tested
Sample A: benziothiazolinone Tebuconazole WG (example of formulations 3); Contrast: 20% jinggangmeisu WP;
Place: Xinyu, Jiangxi; Dispenser period: late tillering state, banded sclerotial blight initial phase; Investigation: after secondary medicine 7 days; Time: on May 28th, 2008.
Result is as shown in table 3 below.
After table 3 two medicines, 7 days each chemicals treatment are to the control efficiency of rice sheath blight disease
Conclusion: sample AWG tri-all has good control efficiency for examination concentration to rice sheath blight disease, and after particularly 6500 times, 3000 times secondary medicines, the preventive effect of 7 days, 14 days all reaches pole significance level compared with contrast medicament jinggangmeisu.
Claims (2)
1. active principle is the application of bactericidal composition in the water prevention rice sheath blight and false smut of benziothiazolinone and Tebuconazole, it is characterized in that, the weight ratio of benziothiazolinone and Tebuconazole is 1: 1 ~ 1: 9; The application dosage of bactericidal composition is 50 ~ 300ga..i./ha.
2. the application of bactericidal composition according to claim 1, is characterized in that, described benziothiazolinone and Tebuconazole can be mixed with aqueous suspension agent, water dispersible granules or paste.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823602B (en) * | 2012-05-29 | 2016-03-02 | 陕西西大华特科技实业有限公司 | A kind of bactericidal composition containing benziothiazolinone and epoxiconazole |
| CN102763657B (en) * | 2012-08-13 | 2014-09-17 | 江苏辉丰农化股份有限公司 | Germicide composite with synergistic effect |
| CN103314968B (en) * | 2013-06-09 | 2014-09-17 | 江苏辉丰农化股份有限公司 | Bactericidal composition with synergistic effect |
| CN105145588A (en) * | 2015-10-26 | 2015-12-16 | 广西南宁益土生物科技有限责任公司 | Bactericide containing tebuconazole and cinnamaldehyde |
| CN106212479B (en) * | 2016-05-30 | 2018-08-28 | 江苏辉丰农化股份有限公司 | A kind of microbicide compositions |
| CN106259366B (en) * | 2016-06-26 | 2019-06-21 | 江苏辉丰农化股份有限公司 | A kind of microbicide compositions |
| CN114365744A (en) * | 2018-08-10 | 2022-04-19 | 江苏龙灯化学有限公司 | Sterilization composition containing benziothiazolinone and difenoconazole |
| CN109463390A (en) * | 2018-11-14 | 2019-03-15 | 张永 | A kind of formula about prevention and treatment trees rot disease |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003213285A (en) * | 2002-01-25 | 2003-07-30 | Shinto Fine Co Ltd | Antimicrobial composition for water-soluble metal working lubricant |
| CN101984809A (en) * | 2010-07-22 | 2011-03-16 | 福建诺德生物科技有限责任公司 | Oil suspension preparation using resin-based vegetable oil as carrier and preparation method thereof |
| CN101999372A (en) * | 2010-12-14 | 2011-04-06 | 陕西西大华特科技实业有限公司 | Bactericidal composition containing benziothiazolinone and difenoconazole |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003213285A (en) * | 2002-01-25 | 2003-07-30 | Shinto Fine Co Ltd | Antimicrobial composition for water-soluble metal working lubricant |
| CN101984809A (en) * | 2010-07-22 | 2011-03-16 | 福建诺德生物科技有限责任公司 | Oil suspension preparation using resin-based vegetable oil as carrier and preparation method thereof |
| CN101999372A (en) * | 2010-12-14 | 2011-04-06 | 陕西西大华特科技实业有限公司 | Bactericidal composition containing benziothiazolinone and difenoconazole |
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