CN104957154B - Bactericidal composition containing tetramycin and kresoxim-methyl - Google Patents
Bactericidal composition containing tetramycin and kresoxim-methyl Download PDFInfo
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- CN104957154B CN104957154B CN201510359593.5A CN201510359593A CN104957154B CN 104957154 B CN104957154 B CN 104957154B CN 201510359593 A CN201510359593 A CN 201510359593A CN 104957154 B CN104957154 B CN 104957154B
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- kresoxim
- methyl
- tetramycin
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Abstract
The invention discloses a kind of bactericidal compositions containing tetramycin and kresoxim-methyl, and including insecticides adjuvant, tetramycin and kresoxim-methyl, the ratio of weight and number of tetramycin and kresoxim-methyl is 1:1~1:80, the weight percent of tetramycin and kresoxim-methyl weight summation in the composition is 1%~80%；Tetramycin and with kresoxim-methyl compound after have apparent synergistic function to pathogen fungi, suitable for prevent the fungus-caused crop disease of pathogen, the especially microbial rice sheath blight disease of miliary damping-off.
Description
Technical field
Bactericidal composition of the present invention is using tetramycin and kresoxim-methyl as active ingredient, suitable for preventing by cause of disease
The fungus-caused crop disease of object, rice especially caused by Rhizoctonia solani Kuhn (Thanatephoruscucumeris) pathogen
Banded sclerotial blight.
Background technology
Tetramycin is by S. ahygroscopicus Wuzhou subspecies (Streptomyces ahygroscopicus
Subsp.Wuzhouensis n.subsp) biological pesticide produced by strain liquid submerged fermentation, by the life for inhibiting mycelia
It is long, the resistance of crop is induced, and promote plant growth and reach prevention purpose, it is applicable in a variety of fungies of various forests, bacteriosis
Prevention.
Kresoxim-methyl has very strong inhibitory action to the growth of spore germination and leaf intramatrical mycelium, has protection, treatment and shovel
Except activity, infiltration and local systemic activity, lasting period are long well.
Rice sheath blight disease is also known as moire disease, and popular name spends sufficient stalk, rotten foot pest, features spot.It is by Rhizoctonia solani Kuhn
(Thanatephorus cucumeris) infection is fallen ill, and is mostly occurred under high temperature, super-humid conditions.Banded sclerotial blight is in South Rice Region of China
Evil is serious, is one of Major Diseases in current Rice Production.The disease prevents rice more from the not plump paddy for earing or earing, grain
Decline again, seriously affect Rice Production.
It is found by experiment that, tetramycin combines Rhizoctonia solani (Thanatephorus cucumeris) with kresoxim-methyl
There is synergistic function, the rice sheath blight disease triggered for Rhizoctonia solani Kuhn (Thanatephorus cucumeris).
It can be using excipient as agriculturally common dosage form by certain technological means tetramycin and kresoxim-methyl composition.
The content of the invention
The present invention is intended to provide a kind of active ingredient is tetramycin and the Synergistic bactericidal composition of kresoxim-methyl, it is miliary damping-off
Crop disease caused by bacterium (Thanatephorus cucumeris) especially provides a kind of effectively management for rice sheath blight disease
Instrument.
The invention is realized by the following technical scheme：A kind of bactericidal composition containing tetramycin and kresoxim-methyl, effectively into
It is divided into tetramycin and kresoxim-methyl, the ratio of weight and number of tetramycin and kresoxim-methyl is 1:1~1:80；Tetramycin and kresoxim-methyl weight are total
Weight percent in the composition is 1%~80%, remaining is insecticides adjuvant.
According to practical application needs, bactericidal composition of the present invention can be prepared according to well known to a person skilled in the art method
As suspending agent.
The suspending agent dosage form weight percent forms：Tetramycin 0.01~10%, kresoxim-methyl 1~80% disperse
Agent 0.1~18%, wetting agent 0.1~12%, antifoaming agent 0.1~3%, thickener 0.1~3%, antifreezing agent 0.1~5%, liquid
Carrier complements to 100%.Specifically production stage is：Active ingredient and other auxiliary agents are mixed, disperseed through high speed shear, sand mill
After middle sand milling, high dispersive, the suspension system of stabilization are formed in water-medium, the suspending agent of corresponding weight percentage is made.
The bactericidal composition of the present invention, for preventing rice sheath blight disease.
The bactericidal composition of the present invention, generally use spray method use, and can also use and agriculturally apply as needed
Other use technology.
Bactericidal composition provided by the invention has the advantages that：
1st, bactericidal composition provided by the invention shows apparent synergy or summation action in certain ratio range,
Composition is significantly improved to the control effect of germ than single dose, reduces the dosage of pesticide, reduces times for spraying,
Drug cost is reduced, reduces adverse effect of the pesticide to ecological environment.
2nd, bactericidal composition provided by the invention, the combination of two kinds of active ingredient expand fungicidal spectrum, a drug
The defects of solving the problems, such as multiple diseases, compensating for when single dose uses and limitation.
3rd, bactericidal composition provided by the invention, two kinds of active ingredient mechanism of action are not quite identical, can overcome long-term
Single use easily generates the shortcomings that resistance, extends the service life of medicament, has important meaning to the comprehensive treatment of germ resistance
Justice.
4th, bactericidal composition provided by the invention, drug effect play rapidly, and the lasting period is long, and use cost is low, easy to use, save
Shi Shengli, popularization and application have huge economic benefit and social benefit.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention more concise, present invention specific examples below
It illustrates, but the present invention is only limitted to absolutely not these embodiments.As described below is only the preferable embodiment of the present invention, is used only for
The description present invention, it is impossible to be interpreted as limiting the scope of the present invention.It is it should be pointed out that all in the spirit and principles in the present invention
Within all any modification, equivalent and improvement done etc., should all be included in the protection scope of the present invention.Therefore, this hair
The protection domain of bright patent should be determined by the appended claims.
Content described in embodiment is weight percentage.
Embodiment one：Tetramycin kresoxim-methyl is to the room for Rhizoctonia solani Kuhn (Thanatephorus cucumeris) of causing a disease
Interior toxicity test.
Subjects pick up from the rice sheath blight disease in field, method reference《People's Republic of China (PRC) agricultural industry criteria NY/T
1156.4-2006》.According to the abundant methods of Sun Yun, the synergistic effect of pharmacy mix, i.e. CTC≤80 are evaluated according to co-toxicity coefficient (CTC)
For joint action of antagonism, 80 ＜ CTC ＜ 120 are joint action of antagonism, and CTC >=120 are synergistic function.Survey toxicity index
(ATI)=(EC of standard agent50The EC of/reagent agent50)×100；The toxicity index of theoretical toxicity index TTI=A medicaments ×
In mixture in toxicity index × mixture of the percentage composition+B medicaments of A medicaments B medicaments percentage composition；Co-toxicity coefficient (CTC)=
[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100
Table 1, tetramycin kresoxim-methyl to cause a disease Rhizoctonia solani Kuhn (Thanatephorus cucumeris) indoor virulence
Measurement result.
As shown in Table 1, tetramycin and kresoxim-methyl mixture weight ratio are 1:Between 1~80, Rhizoctonia solani
(Thanatephorus cucumeris) co-toxicity coefficient more than 120, shows apparent synergistic effect.
With reference to example of formulations to further instruction of the present invention.
Embodiment two：12% tetramycin kresoxim-methyl suspending agent
Above-mentioned formula is crushed in advance in proportion, adds in sand mill and grinds, system is allocated after high shear mixing
Obtain 12% tetramycin kresoxim-methyl suspending agent.
Embodiment three：Tetramycin and kresoxim-methyl composition for preventing and controlling rice sheath blight disease.
Rice sheath blight disease finds that initial stage is watered spraying, 10 days, 20 days control effects after medicine：0.1% tetramycin 11.9%
Kresoxim-methyl suspending agent dosage 45g a.i./ha preventive effects 92.71%, 85.02%；0.15% tetramycin aqua dosage 1.35g
A.i./ha preventive effects 83.52%, 79.40%；30% kresoxim-methyl suspending agent dosage 90g a.i./ha preventive effects 87.40%,
81.57%.
Tetramycin and kresoxim-methyl composition for preventing and controlling rice sheath blight disease are with obvious effects better than tetramycin, kresoxim-methyl single dose, combination
It is significantly reduced when the amount ratio of active ingredient is used alone in medicament, total active ingredient is also opposite to be reduced, so as to alleviate environment
Load reduces use cost, and the more efficiently management tool of rice sheath blight disease is provided for farmer.
Claims (4)
1. a kind of bactericidal composition containing tetramycin and kresoxim-methyl, it is characterised in that：Active ingredient is tetramycin and kresoxim-methyl；
The ratio of weight and number of tetramycin and kresoxim-methyl is 1:1~1:80.
2. a kind of bactericidal composition containing tetramycin and kresoxim-methyl according to claim 1, it is characterised in that：Tetramycin
It is 1%~80% with the weight percent of kresoxim-methyl weight summation in the composition, remaining is insecticides adjuvant.
3. a kind of bactericidal composition containing tetramycin and kresoxim-methyl according to claim 1, it is characterised in that：It is described to kill
The dosage form of bacteria composition is suspending agent.
4. a kind of bactericidal composition containing tetramycin and kresoxim-methyl described in claim 1 is microbial in prevention miliary damping-off
Application in rice sheath blight disease.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510359593.5A CN104957154B (en) | 2015-06-24 | 2015-06-24 | Bactericidal composition containing tetramycin and kresoxim-methyl |
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|---|---|---|---|
| CN201510359593.5A CN104957154B (en) | 2015-06-24 | 2015-06-24 | Bactericidal composition containing tetramycin and kresoxim-methyl |
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| CN104957154A CN104957154A (en) | 2015-10-07 |
| CN104957154B true CN104957154B (en) | 2018-05-18 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106577696A (en) * | 2016-11-12 | 2017-04-26 | 广东中迅农科股份有限公司 | Tetramycin-containing pesticidal composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004006938A1 (en) * | 2002-07-12 | 2004-01-22 | The Research Foundation Of State University Of New York | Method for reducing c-rective protein levels with non-antibacterial tetracycline formulations |
| CN103583532A (en) * | 2013-11-26 | 2014-02-19 | 辽宁微科生物工程有限公司 | Tetramycin complex and application |
| CN103609575A (en) * | 2013-11-30 | 2014-03-05 | 海利尔药业集团股份有限公司 | Bactericidal composition containing tetramycin and pyraclostrobin |
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2015
- 2015-06-24 CN CN201510359593.5A patent/CN104957154B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004006938A1 (en) * | 2002-07-12 | 2004-01-22 | The Research Foundation Of State University Of New York | Method for reducing c-rective protein levels with non-antibacterial tetracycline formulations |
| CN103583532A (en) * | 2013-11-26 | 2014-02-19 | 辽宁微科生物工程有限公司 | Tetramycin complex and application |
| CN103609575A (en) * | 2013-11-30 | 2014-03-05 | 海利尔药业集团股份有限公司 | Bactericidal composition containing tetramycin and pyraclostrobin |
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