CN102428952A - Synergistic bactericidal composition for preventing and treating wheat take-all - Google Patents
Synergistic bactericidal composition for preventing and treating wheat take-all Download PDFInfo
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- CN102428952A CN102428952A CN2011103656771A CN201110365677A CN102428952A CN 102428952 A CN102428952 A CN 102428952A CN 2011103656771 A CN2011103656771 A CN 2011103656771A CN 201110365677 A CN201110365677 A CN 201110365677A CN 102428952 A CN102428952 A CN 102428952A
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Abstract
The invention discloses a synergistic bactericidal composition for preventing and treating wheat take-all disease, which comprises the effective components of silthiopham and epoxiconazole, wherein the weight part ratio of silthiopham to epoxiconazole is 10: 1-1: 10. The bactericidal composition has excellent control effect on wheat take-all, the combination of the two effective components has obvious synergistic effect, the use amount of the effective components of the pesticide is reduced, the application cost is reduced, the economic benefit is improved, and the adverse effect of the pesticide on the environment is also reduced.
Description
Technical field
The present invention relates to pesticide sterilizing composite, is to be active ingredient with silicon metsulfovax and fluorine ring azoles, is used for preventing and treating on the agricultural take-all.
Background technology
In the crop growth process, receive various diseases easily and infect, fungal disease particularly, it is of a great variety, and it is serious to cause harm, and for a long time, chemical control is to prevent and treat the main effective means of disease.
Take-all, a kind of root disease is to belong to nuclear top softgel shell by Ascomycotina gang pyrenomycetes top softgel shell to cause [Gaeumannomyces graminis (Sacc.) Are et Olivier], only infects Mai Gen and basal part of stem 1-2 joint.Seedling stage, diseased plant was short and small, bottom Huang Yeduo, and stem becomes grey black in seminal root and the ground, causes wheat seeding withered in flakes when serious.That the sick seedling of shooting stage winter wheat is turned green is slow, it is few to tiller, and the most of blackening of diseased plant root is at basal part of stem and the inboard obviously grey black subiculum that occurs of leaf sheath.
At present, the medicament that is used to prevent and treat take-all mainly contains: carbendazim, thiophanate-methyl, triazolone, Difenoconazole etc.These medicaments use for many years continuously, and pathogen develops immunity to drugs, and under the situation that strengthens using dosage, control efficiency is still undesirable.
The silicon metsulfovax, english common name Silthiopham.Have the excellent protection activity, the lasting period is long, is mainly used in to prevent and treat take-all, as seed treatment.Can use separately, also can use with other seed treatment.
Fluorine ring azoles, english common name Epoxiconazole.Triazole bactericidal agent; Have interior suction, protection and therapeutic action concurrently; It is C-14 demethylation enzyme inhibitor in the sterol biosynthesis; To Ascomycetes, Basidiomycetes with comprise that half of Alternaria, Ascochyta, the mould genus of tail spore, Colletotrichum, ball Cuo Pseudomonas, Phoma, Ramularia, Septoria, Venturia know sickly, Erysiphaceae, Uredinales and some are planted and are passed pathogen lasting protection and therapeutic action are arranged.Suitable crop wheat, barley, paddy rice, beet, rape, legume, vegetables, grape and apple etc.To under the crop safety RD to crop safety, no poisoning.
Being mixed of different pesticide species is the common methods of the agriculture resistance disease of control.Through the formulation of pesticide screening, filter out rational prescription, can effectively improve actual control efficiency, reduce dosage, reduce cost, delay the generation of disease drug resistance, be the important means of the disease comprehensive regulation.
The present invention is on the basis of a large amount of indoor biometric tests and field medicine effect test, and discovery silicon metsulfovax and fluorine ring azoles are mixed take-all is had obvious synergistic effect, can effectively prevent and treat take-all.
Summary of the invention
It is long to the purpose of this invention is to provide a kind of efficient, low toxicity and lasting period, helps the Synergistic bactericidal composition of comprehensive regulation take-all.
Another object of the present invention is that this bactericidal composition is used to prevent and treat take-all.
The technical scheme that the present invention adopts is: a kind of Synergistic bactericidal composition that is used to prevent and treat take-all, its active ingredient are silicon metsulfovax and fluorine ring azoles, and the ratio of weight and number of silicon metsulfovax and fluorine ring azoles is 10:1～1:10.
Synergistic bactericidal composition of the present invention can be mixed with suspending agent, wetting powder, water dispersible granules according to well known to a person skilled in the art method.
Synergistic bactericidal composition of the present invention also contains the required auxiliary element of preparation pesticidal preparations; Comprise one or more mixing in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, antifoaming agent, antifreezing agent, disintegrant, binding agent, filler, filler, the medium etc.; Be known substance; Be various auxiliary agents commonly used in the pesticidal preparations, can change to some extent, do not have special qualification according to different situations.
Synergistic bactericidal composition of the present invention has good control efficiency to take-all.
Synergistic bactericidal composition of the present invention is when preventing and treating take-all, and the general method of seed dressing that adopts is used, and also can adopt agricultural to go up other operation techniques of using as required.
Composition pesticide provided by the invention has following beneficial effect.
1, bactericidal composition provided by the invention; In certain ratio range, show obvious synergistic effect, the control efficiency of composition is significantly improved than single agent, has reduced the using dosage of agricultural chemicals; Reduced drug cost, reduced the adverse effect of agricultural chemicals ecotope.
2, the combination of two kinds of bactericide of the present invention has enlarged fungicidal spectrum.
3, two of bactericidal composition provided by the invention kinds of active ingredient mechanism of action have nothing in common with each other, and can overcome the long-term single shortcoming that makes with medicament be easy to generate resistance, prolong the service life of medicament, and the comprehensive regulation of take-all resistance is had significance.
4, bactericidal composition of the present invention is to crop safety.
Embodiment
In order to understand essence of the present invention better, be described further through following examples, but the present invention is not limited to these embodiment.In these embodiment, unless otherwise indicated, all percentages all are weight percentage.
Biologicall test embodiment:Silicon metsulfovax and fluorine ring azoles are mixed combination to tomato take-all germ Toxicity Determination.
Material is selected: wheat wheat in spite of illness is subsequent use.
Test method: with reference to GB-T17980.109-2004.Promptly take by weighing 96% silicon metsulfovax of certain mass earlier; 97.3% epoxiconazole raw drug; The Tween 80 aqueous solution with 0.1% after adding acetone fully dissolves dilutes; Be mixed with single agent mother liquor respectively, according to the purpose that is mixed following serial proportioning be set: 10:1,4:1,2:1,1:2,1:4,1:10, each proportioning is provided with 5 concentration gradients.
(logarithm value of μ g/ml) is independent variable x, is dependent variable y with the probit value of inhibiting rate, sets up the virulence regression equation formula respectively, adopts the EC of the single agent of DPS computed in software and each proportioning mixture with drug concentration
50(95% confidence limit) and the abundant method of employing Sun Yun are calculated the co-toxicity coefficient (CTC) of mixture.
According to the NY/T 1156.6-2006 bactericide synergy criteria for classifying: co-toxicity coefficient (CTC)>=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80＜co-toxicity coefficient (CTC)＜120 shows as summation action.
Result of the test is seen table 1.Can find out that from result of the test silicon metsulfovax and fluorine ring azoles are between 10:1～1:10 at weight amount portion rate, co-toxicity coefficient (CTC value) promptly all shows obvious synergistic effect all greater than 120.Silicon metsulfovax and fluorine ring azoles are mixed and have reasonability and feasibility.
Table 1, silicon metsulfovax and fluorine ring azoles and different proportioning are to the toxicity test result of tomato gaeumannomyces graminis (a certain pathogenic strain).
FORMULATION EXAMPLE 1(20% silicon metsulfovax epoxiconazole suspension concentrate).
Following material all is weight percentage: silicon metsulfovax 15%; Fluorine ring azoles 5%, emulsifier AEO 4%, calcium dodecyl benzene sulfonate 5%, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether 3%, antifoaming agent epoxidized soybean oil 1%; Antifreezing agent glycerine 0.5%, surplus are water.Above-mentioned prescription is pulverized in proportion in advance, adds in the sand mill and grinds, and allotment makes 20% silicon metsulfovax epoxiconazole suspension concentrate after high shear mixing.
This embodiment is used to prevent and treat take-all, and the seed dressing of 20% silicon metsulfovax epoxiconazole suspension concentrate effective ingredient consumption, 40 gram/kilogram seeds is handled, and preventive effect is 90.1% behind the wheat jointing.Contrast single agent 12.5% silicon metsulfovax suspending agent effective ingredient consumption 45 gram/kilogram seeds, 12.5% epoxiconazole suspension concentrate effective ingredient consumption, 200 gram/kilogram seeds, adopt with the quadrat method dispenser, preventive effect is respectively 71.3%, 72.4% behind the wheat jointing.
FORMULATION EXAMPLE 2(20% silicon metsulfovax fluorine ring azoles wetting powder).
Following material all is weight percentage: silicon metsulfovax 10%, and fluorine ring azoles 10%, wetting agent draws back powder 3%, dispersant naphthalenesulfonate formaldehyde condensation compound 6%, filler talcum powder 15%, surplus is a filler kaolin.Above-mentioned prescription got in the blender after the coarse crushing in proportion mix, behind comminution by gas stream, promptly make 20% silicon metsulfovax fluorine ring azoles wetting powder again.
This embodiment is used to prevent and treat take-all, and the seed dressing of 20% silicon metsulfovax fluorine ring azoles wetting powder effective ingredient consumption, 30 gram/kilogram seeds is handled, and preventive effect is 87.8% behind the wheat jointing.Contrast single agent 12.5% silicon metsulfovax suspending agent effective ingredient consumption 45 gram/kilogram seeds, 12.5% epoxiconazole suspension concentrate effective ingredient consumption, 200 gram/kilogram seeds, adopt with the quadrat method dispenser, preventive effect is respectively 74.6%, 71.9% behind the wheat jointing.
FORMULATION EXAMPLE 3(30% silicon metsulfovax epoxiconazole water dispersant).
Following material all is weight percentage: silicon metsulfovax 5%, and fluorine ring azoles 25%, wetting agent lauryl sodium sulfate 6%, dispersant polycarboxylate 4%, disintegrant sodium chloride 2%, binding agent polyethylene glycol 3%, stabilizing agent soluble starch 3%, surplus is a carrier kaolin.Dry pulverization process, granulation, drying, screening make 30% silicon metsulfovax epoxiconazole water dispersant in proportion with above-mentioned prescription.
This embodiment is used to prevent and treat take-all, and the seed dressing of 30% silicon metsulfovax epoxiconazole water dispersant effective ingredient consumption, 25 gram/kilogram seeds is handled, and preventive effect is 88.3% behind the wheat jointing.Contrast single agent 12.5% silicon metsulfovax suspending agent effective ingredient consumption 45 gram/kilogram seeds, 12.5% epoxiconazole suspension concentrate effective ingredient consumption, 200 gram/kilogram seeds, adopt with the quadrat method dispenser, preventive effect is respectively 74.2%, 73.1% behind the wheat jointing.
Can explain through above embodiment; Synergistic bactericidal composition of the present invention effective ingredient consumption reduce or suitable situation under, the control efficiency of take-all obviously is better than contrast single agent (12.5% silicon metsulfovax suspending agent and 12.5% epoxiconazole water dispersant).The use of Synergistic bactericidal composition of the present invention has improved actual control efficiency, has reduced drug cost, delays the generation of disease drug resistance, has also reduced the harmful effect of agricultural chemicals to environment simultaneously.
Claims (4)
1. Synergistic bactericidal composition that is used to prevent and treat take-all, it is characterized in that: active ingredient is silicon metsulfovax and fluorine ring azoles.
2. a kind of Synergistic bactericidal composition that is used to prevent and treat take-all according to claim 1 is characterized in that: the part by weight of silicon metsulfovax and fluorine ring azoles is 10:1～1:10.
3. a kind of Synergistic bactericidal composition that is used to prevent and treat take-all according to claim 1 and 2 is characterized in that: its formulation is suspending agent, wetting powder or water dispersible granules.
4. a kind of Synergistic bactericidal composition that is used to prevent and treat take-all according to claim 1 and 2 is characterized in that being used to prevent and treat take-all.
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| CN 201110365677 CN102428952B (en) | 2011-11-17 | 2011-11-17 | Synergistic germicide composition for controlling wheat take-all |
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| CN 201110365677 CN102428952B (en) | 2011-11-17 | 2011-11-17 | Synergistic germicide composition for controlling wheat take-all |
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| CN102428952A true CN102428952A (en) | 2012-05-02 |
| CN102428952B CN102428952B (en) | 2013-06-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103120177A (en) * | 2013-02-06 | 2013-05-29 | 吉林省八达农药有限公司 | Agricultural bactericide composition containing silthiopham and triazole fungicide |
| CN103238621A (en) * | 2012-02-04 | 2013-08-14 | 陕西美邦农药有限公司 | Bactericidal composition containing silthiopham and triazole compound |
| CN106576550A (en) * | 2016-12-20 | 2017-04-26 | 郭高升 | Method and fertilizer for preventing and treating wheat take-all |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0094564B1 (en) * | 1982-05-14 | 1987-09-30 | BASF Aktiengesellschaft | Azolyl-methyl oxiranes, their preparation and use as medicaments and plant protecting agents |
| CN1052234C (en) * | 1994-12-15 | 2000-05-10 | 孟山都公司 | Fungicides for the control of take-all disease of plants |
| ES2268073T3 (en) * | 2001-04-11 | 2007-03-16 | Monsanto Technology Llc | MICROENCAPSULATION OF AN AGRICULTURAL ACTIVE AGENT THAT HAS AN ELEVATED FUSION POINT. |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0094564B1 (en) * | 1982-05-14 | 1987-09-30 | BASF Aktiengesellschaft | Azolyl-methyl oxiranes, their preparation and use as medicaments and plant protecting agents |
| CN1052234C (en) * | 1994-12-15 | 2000-05-10 | 孟山都公司 | Fungicides for the control of take-all disease of plants |
| ES2268073T3 (en) * | 2001-04-11 | 2007-03-16 | Monsanto Technology Llc | MICROENCAPSULATION OF AN AGRICULTURAL ACTIVE AGENT THAT HAS AN ELEVATED FUSION POINT. |
Non-Patent Citations (1)
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| 德温特: "《德温特数据库》", 11 April 2007 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238621A (en) * | 2012-02-04 | 2013-08-14 | 陕西美邦农药有限公司 | Bactericidal composition containing silthiopham and triazole compound |
| CN103120177A (en) * | 2013-02-06 | 2013-05-29 | 吉林省八达农药有限公司 | Agricultural bactericide composition containing silthiopham and triazole fungicide |
| CN106576550A (en) * | 2016-12-20 | 2017-04-26 | 郭高升 | Method and fertilizer for preventing and treating wheat take-all |
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| CN102428952B (en) | 2013-06-26 |
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