CN1086909C - Preparation method of fungicide for controlling banded sclerotial blight - Google Patents
Preparation method of fungicide for controlling banded sclerotial blight Download PDFInfo
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- CN1086909C CN1086909C CN99115354A CN99115354A CN1086909C CN 1086909 C CN1086909 C CN 1086909C CN 99115354 A CN99115354 A CN 99115354A CN 99115354 A CN99115354 A CN 99115354A CN 1086909 C CN1086909 C CN 1086909C
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- bactericide
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- fringe
- jinggangmeisu
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Abstract
The present invention relates to a method for preparing a medicine for preventing and treating banded sclerotial blight. A Baosui bactericide is mixed with the other validamycin bactericide, the mixed proportional range of the effective components of the bactericide and the validamycin is from 0.1% to 40%: 99.9% to 60%, and a toxic factor is from 288 to 986. The bactericide has the advantages of obvious synergistic action, obvious increase of disease prevention effect, and great reduction of production cost and price.
Description
The present invention relates to a kind of compounding method of sterilization pesticide, be mainly used in gramineous crop such as water paddy and wheat class, corn sheath blight disease controlling.
Banded sclerotial blight is a kind of important disease of gramineous crop, when environmental temperature is suitable, germ can breed in a large number, at first begin morbidity at crop base portion leaf sheath, run into hot and humid weather condition, the state of an illness spreads to plant top with to adjacent strain expansion rapidly, and the lighter influences the yield and quality of crop, and is heavy then make that crop yield is serious to be reduced even lose receipts.
The main medicament of preventing and treating banded sclerotial blight over nearly 20 years is " jinggangmeisu ", and price is low, and is effective, can control the development of banded sclerotial blight effectively, uses on producing, and has obtained remarkable economic efficiency and social benefit.But As time goes on, this drug effect fruit reduces, in the field trial that the inventor did, and consumption dispenser in accordance with regulations, preventive effect only about 44%.In order to improve control efficiency, employing is at present repeatedly used and the way dispenser of escalated dose, has so both improved production cost, contaminated environment again.A kind of new drug has been registered in China recently by U.S. Rhom and Hass, and Chinese is " precious fringe " (being called thifluzamide again), and English commodity are called Pulsor, Greatam, Baton; General Thifluzamide by name; IUPAC is by name 2 ', 6 '-dibromo-2-methyl-4 '-trifluoromethoxy-4-trifluoromethyl-1,3-thiazole-5carboxanilide promptly 2 ', 6 '-two bromo-2-methyl-4 '-trifluoromethoxy-4-Trifluoromethyl-1,3-thiazole-5-formyl is a kind of novel bactericide for aniline, and this medicament preventive effect in field trial is fine, but this medicine cost height, every mu spends 5 yuans per season approximately.
The object of the present invention is to provide low and the crop sheath blight disease controlling medicament that preventive effect is good of a kind of price.
The present invention is achieved in that according to reported in literature the mechanism of action of " precious fringe " is the activity that suppresses succinate dehydrogenase in the fungi tricarbonic acid cycle, and " jinggangmeisu " then is to suppress fungi trehalase activity.The two is mixed, makes the control medicament, prevent and treat banded sclerotial blight.Active ingredient proportion " precious fringe " in being mixed: " jinggangmeisu " is 0.1～40: 99.9～60, and this mixed agent can be different dosage forms such as aqua, suspending agent, wetting powder or pulvis.
The inventor has remarkable synergistic effect when finding these two kinds of pharmacy mix in indoor stripped bacteriostatic test, the virulence coefficient is between 288～986 altogether, promptly when " precious fringe " and jinggangmycin were mixed, the ratio of precious fringe increased, and the virulence coefficient reduces altogether, when the ratio of " precious fringe " is hanged down, virulence coefficient height generally can reach about 1000 altogether, and the ratio of " precious fringe " increases, the virulence coefficient reduces altogether, synergistic effect weakens, and is reaching at 2: 3 o'clock, and the virulence coefficient is generally more than 280 altogether.In the test of field control rice sheath blight disease, the control district compares volume increase 15% with not dispenser check plot, protection effect is single higher by 40% with twice protection effect than " jinggangmeisu ", the precious fringe ＂ of ＂ and jinggangmycin mix with 1: 1000 ratio that to prevent and treat the banded sclerotial blight effect be 87.6%, and drug cost reduces greatly, and single is 62.5% with the jinggangmycin protection effect.
The present invention has following advantage: 1) synergistic effect of using with of two kinds of compositions of this agent is remarkable, and the virulence coefficient (is being remarkable synergy) between 288～986 more than 240 altogether.2) less manpower, low cost.Use this Mixed Pharmacy, per season crop only need once at normal control proper timing of insecticide application, and per season of jinggangmeisu crop to execute twice at least.About 1 yuan of per season crop drug cost.3) Mixed Pharmacy of the present invention is a kind of medicament safely and effectively.According to reported literature, " precious fringe " and " jinggangmeisu " all are low-toxin farm chemicals, and " precious fringe " to the rat acute per os lethal dose of 50＞6500mg/kg, " jinggangmeisu " then is＞20000mg/kg.Use per season of this agent crop dosage jinggangmeisu to reduce half than the dosage of single time spent, and the precious fringe ＂ of ＂ also can reduce significantly, actual pesticide volume of granting crop also significantly reduces.
Embodiment 1
(1) raw material is prepared: 23% " precious fringe " colloidal suspending agent and 20% " jinggangmeisu " pulvis.
(2) be mixed: by 500 kilograms of productions, take by weighing 4.35 kilograms of 23% " precious fringes ", 20% " jinggangmeisu " 495.75 kilograms (the active ingredient ratio is 1: 99) is standby.
(3) stir: above-mentioned two kinds of raw materials are poured in the agitator, stirred.
(4) pack sealing: the medicament to mixing encapsulates with transparent plastic bag earlier, again with moulding the production method encapsulation routinely of aluminium composite material bag.
Inventor in September, 1998 has been carried out the inhibition test of sheath blight fungus mycelial growth with this Mixed Pharmacy, obtain antibacterial in concentration (EC
50) be that the common virulence coefficient of 0.9727, two composition is 967 (being remarkable synergy more than 240).
Embodiment 2 (1) raw materials are prepared: 23% " precious fringe " colloidal suspending agent and 10% " jinggangmeisu " hyperconcetration agent.(2) be mixed: get 80 kilograms of 8.7 kilograms of 23% " precious fringes " and 10% " jinggangmeisus " (effective ingredient ratio 20: 80).
(3) stir: above-mentioned prescription is poured in the agitator respectively stirred.
(4) pack seals: the medicament that mixes is respectively charged in the plastic sack seals, reinstall and mould production method sealing routinely in the aluminium complex pocket.
The inventor added in the medium behind the stepwise dilution respectively with above mixed agent in December, 1998, cultivated sheath blight fungus, measured the colony growth diameter after 24 hours, must be total to virulence coefficient 486 (being remarkable synergy more than 240).
Embodiment 3 inventors 1998 were eared preceding 10 days in late rice, take by weighing 23% " precious fringe " colloidal suspending agent, 7.25 grams and 20% " jinggangmeisu " pulvis, 12.5 grams, abundant mixing (wherein " precious fringe " and " jinggangmeisu " active ingredient respectively are 1.67 grams and 2.5 grams), be dissolved in 50 kg of water, spray application, protection effect is 87.6% as a result, exceed 40% than " jinggangmeisu " single control efficiency with twice, not dispenser of production ratio contrast improves 15%, " precious fringe " is single with (every mu of active ingredient 3.33 grams) volume increase 11%, only increase production 7.9% and " jinggangmeisu " is single with (dispenser 2 times, each every mu with pharmaceutically active ingredient 5 grams).
Claims (2)
1, a kind of compound method of crop sheath blight disease controlling medicament, it is characterized in that with a kind of bactericide " precious fringe " (thifluzamide) with " jinggangmeisu ' be mixed by a certain percentage, the proportion that is mixed by active ingredient is 0.1～40: 99.9～60.
2, method according to claim 1 is characterized in that the formulation of the bactericide that is mixed can be aqua, suspending agent, wetting powder or pulvis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99115354A CN1086909C (en) | 1999-04-30 | 1999-04-30 | Preparation method of fungicide for controlling banded sclerotial blight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99115354A CN1086909C (en) | 1999-04-30 | 1999-04-30 | Preparation method of fungicide for controlling banded sclerotial blight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1272312A CN1272312A (en) | 2000-11-08 |
| CN1086909C true CN1086909C (en) | 2002-07-03 |
Family
ID=5278330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99115354A Expired - Fee Related CN1086909C (en) | 1999-04-30 | 1999-04-30 | Preparation method of fungicide for controlling banded sclerotial blight |
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| Country | Link |
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| CN (1) | CN1086909C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032256B (en) * | 2007-04-13 | 2010-06-02 | 彭国均 | Pesticide of composite jinggangmycin |
| CN101926336A (en) * | 2010-08-17 | 2010-12-29 | 江苏东宝农药化工有限公司 | Bio-chemical synergistic sterilizing wettable powder and method for preparing same |
| CN101946779A (en) * | 2010-08-17 | 2011-01-19 | 江苏东宝农药化工有限公司 | Biologically-chemically synergistic bactericidal suspension and preparation method thereof |
| CN105594716B (en) * | 2014-01-02 | 2017-11-21 | 海南正业中农高科股份有限公司 | Bactericidal composition containing chitosan oligosaccharide and thifluzamide |
| CN103749493B (en) * | 2014-02-14 | 2016-01-27 | 南京南农农药科技发展有限公司 | Suspending agent of a kind of composite bactericide containing jinggangmycin A and thifluzamide and preparation method thereof |
| CN105052959B (en) * | 2015-07-31 | 2017-03-01 | 山东省烟台市农业科学研究院 | The complex composition of osthole and thifluzamide and its application |
| CN107136082A (en) * | 2017-04-12 | 2017-09-08 | 江苏金凤凰农化有限公司 | A kind of composition and application process that wheat sharp eyespot is treated based on guaiacol |
| CN109673647A (en) * | 2017-10-18 | 2019-04-26 | 重庆市优胜科技发展有限公司 | Crop sheath blight disease controlling medicament |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045554A (en) * | 1988-11-29 | 1991-09-03 | Monsanto Company | Substituted thiazoles and their use as fungicides |
| CN1091589A (en) * | 1993-02-23 | 1994-09-07 | 南京保丰农药厂 | A kind of Inseticide and germicide mixed pesticide for paddy rice and production method thereof |
| US5723478A (en) * | 1996-02-28 | 1998-03-03 | Rohm And Haas Company | Agricultural chemical compositions with improved thifluzamide release in water |
| CN1196887A (en) * | 1998-04-09 | 1998-10-28 | 肖国永 | Effective bactericide |
| US5886188A (en) * | 1997-02-24 | 1999-03-23 | Rohm And Haas Company | Method to convert 5-carboxanilido-haloalkylthiazoles to a single form |
| CN1214684A (en) * | 1996-02-28 | 1999-04-21 | 日产化学工业株式会社 | Thifluzamide with enhanced potency |
-
1999
- 1999-04-30 CN CN99115354A patent/CN1086909C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045554A (en) * | 1988-11-29 | 1991-09-03 | Monsanto Company | Substituted thiazoles and their use as fungicides |
| CN1091589A (en) * | 1993-02-23 | 1994-09-07 | 南京保丰农药厂 | A kind of Inseticide and germicide mixed pesticide for paddy rice and production method thereof |
| US5723478A (en) * | 1996-02-28 | 1998-03-03 | Rohm And Haas Company | Agricultural chemical compositions with improved thifluzamide release in water |
| CN1214684A (en) * | 1996-02-28 | 1999-04-21 | 日产化学工业株式会社 | Thifluzamide with enhanced potency |
| US5886188A (en) * | 1997-02-24 | 1999-03-23 | Rohm And Haas Company | Method to convert 5-carboxanilido-haloalkylthiazoles to a single form |
| CN1196887A (en) * | 1998-04-09 | 1998-10-28 | 肖国永 | Effective bactericide |
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| Publication number | Publication date |
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| CN1272312A (en) | 2000-11-08 |
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