CN105685057B - A kind of bactericidal composition containing Tebuconazole and sym-closene - Google Patents
A kind of bactericidal composition containing Tebuconazole and sym-closene Download PDFInfo
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- CN105685057B CN105685057B CN201610201192.1A CN201610201192A CN105685057B CN 105685057 B CN105685057 B CN 105685057B CN 201610201192 A CN201610201192 A CN 201610201192A CN 105685057 B CN105685057 B CN 105685057B
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- tebuconazole
- closene
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- bactericidal composition
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The present invention relates to a kind of bactericidal composition containing Tebuconazole and sym-closene, wherein Tebuconazole and sym-closene are 1-5 in the weight ratio of composition:1-3.Bactericidal composition of the invention is mainly used for preventing and treating rice sheath blight disease, and medicament synergy is significant, can effectively reduce the amount of application of each pesticide single dose and effectively reduce pesticide cost, and be conducive to delay the development of germ resistance.
Description
Technical field
The present invention relates to pesticides application technical fields, more particularly to a kind of sterilization group containing Tebuconazole and sym-closene
Close object.
Background technique
Tebuconazole, English are general entitled：Tebuconazole is a kind of absorbability triazole bactericidal agent, has protection, controls
It treats, root out three zones, wide sterilization spectrum, lasting period are long.Tebuconazole is to inhibit ergot on its cell membrane to the mechanism of action of germ
The demethylation of sterol, so that germ can not form cell membrane, to kill germ.Tebuconazole is mainly used for Important Economic crop
Seed treatment or foliage spray efficient germicide, a variety of rust, the powdery mildew, filigree of cereal crop can be effectively prevented
Disease, root rot, head blight, smut and kind pass zonate spot and rice sheath blight disease etc..
Sym-closene, English are general entitled：Trichloroiso cyanuric acid, bactericidal property is excellent,
Wide spectrum, the fungicide efficiently, less toxic for being a new generation, all have certain killing effect to bacterium, virus, fungi, in agricultural
In production, energy effectively preventing Fusarium and Verticillium wilts, damping-off and the bacterial leaf-blight of rice, bacterial stripe, line are withered
Bacteriums and the fungal disease such as disease and rice blast.
The sheath and culm blight of rice is prevented and treated for a long time with jinggangmeisu class medicament, and germ resistance is caused to increase, and drug effect reduces.In order to seek
More satisfactory medicament is looked for, characteristic of the present inventor based on Tebuconazole and sym-closene is further studied, in test process
It was found that Tebuconazole and sym-closene mixture have apparent synergistic effect to the sheath and culm blight of rice, practical control efficiency can be improved,
It reduces dosage and reduces pesticide cost, be conducive to the generation for delaying Disease Resistance.
Currently, Tebuconazole there are no relevant report to the research that sym-closene compounds.
Summary of the invention
The technical problem to be solved by the present invention is to, a kind of bactericidal composition containing Tebuconazole and sym-closene is provided,
Its synergistic effect is significant, can effectively control rice sheath blight disease, and is conducive to alleviate the development of Disease Resistance.
The present invention uses following technical scheme：A kind of bactericidal composition containing Tebuconazole and sym-closene, Tebuconazole
With sym-closene composition weight ratio be 1-5:1-3, it is preferred that the weight ratio of Tebuconazole and sym-closene is
3:2 or 2:3.
Bactericidal composition of the invention can be configured to wettable powder, hang according to methods well known to those skilled in the art
The application forms of the suitable agricultural uses such as floating agent.
Bactericidal composition of the invention also containing the usual auxiliaries of pesticidal preparations, including solvent, filler, binder, point
Powder, wetting agent, disintegrating agent, emulsifier, defoaming agent, thickener, stabilizer or other to be beneficial to effective component steady in the formulation
The substance that fixed and drug effect plays.
Bactericidal composition of the invention is suitable for preventing and treating the banded sclerotial blight on rice.
The present invention has the following advantages that and significant technical effect:
(1) mechanism of action of Tebuconazole and sym-closene is different, and germ is not easy to produce resistance.
(2) indoor biometrics the result shows that, Tebuconazole and sym-closene are compounded according to a certain percentage to rice sheath blight disease
With notable synergistic effect, the amount of application of each single dose is advantageously reduced, helps to reduce pesticide cost.
Specific embodiment
Technical solution of the present invention and beneficial effect are described further with reference to embodiments, of the present invention hundred
Ratio is divided to be weight percentage.
One, example of formulations
Embodiment 1：15% Tebuconazole trichloro-isocyanuric acid wettable powder
Formula:Weigh 5% Tebuconazole, 10% sym-closene, 3% lauryl sodium sulfate (wetting agent), 5% wooden
Plain sodium sulfonate (dispersing agent), kaolin (filler) complement to 100%.After ratio coarse crushing of the above-mentioned each component in formula, into
Enter in mixer and be uniformly mixed, obtains 15% Tebuconazole trichloro-isocyanuric acid wettable powder after the airflow crushes.
Embodiment 2：25% Tebuconazole trichloro-isocyanuric acid wettable powder
Formula:Weigh 15% Tebuconazole, 10% sym-closene, 2% lauryl sodium sulfate (wetting agent), 5% wood
Quality sodium sulfonate (dispersing agent), kaolin (filler) complement to 100%.After ratio coarse crushing of the above-mentioned each component in formula,
It is uniformly mixed into mixer, obtains 25% Tebuconazole trichloro-isocyanuric acid wettable powder after the airflow crushes.
Embodiment 3：30% Tebuconazole sym-closene suspending agent
Formula：Weigh 12% Tebuconazole, 18% sym-closene, 3% alkyl naphthalene sulfonate (wetting agent), 3% wood
Quality sulfoacid calcium (dispersing agent), 2% ethylene glycol (antifreezing agent), 0.2% silicone oil (defoaming agent), is gone 0.2% xanthan gum (thickener)
Ionized water is mended to 100%.After above-mentioned raw materials are mixed by formula rate, 30% Tebuconazole three is made by high speed shearing emulsification
Symclosene suspending agent.
Embodiment 4：35% Tebuconazole sym-closene suspending agent
Formula：Weigh 25% Tebuconazole, 10% sym-closene, 2% alkyl naphthalene sulfonate (wetting agent), 5% wood
Quality sulfoacid calcium (dispersing agent), 2% ethylene glycol (antifreezing agent), 0.2% silicone oil (defoaming agent), is gone 0.5% xanthan gum (thickener)
Ionized water is mended to 100%.After above-mentioned raw materials are mixed by formula rate, 35% Tebuconazole three is made by high speed shearing emulsification
Symclosene suspending agent.
Two, Application Example
Embodiment 1:The indoor toxicity test of Tebuconazole and sym-closene mixture to the sheath and culm blight of rice
Tebuconazole, sym-closene and its mixed agent are diluted into 5 concentration by active constituent content gradient series, with sky
White processing is control, indoor measurement is carried out to the inhibiting effect of Rhizoctonia solani Kuhn, using mycelial growth rate method.It will be through secondary
The aseptic card punch that rice sheath blight disease germ after being separately cultured is 0.5CM with diameter is spare in blade edge punching, then moves
In on the PDA plate culture medium of drug containing, being placed in culture in 25 ± 1 DEG C of incubators, culture measured colony diameter, each place after 6 days
Manage 6 repetitions.Measured result calculates mycelial growth inhibition rate compared with blank control.
Mycelial growth inhibition rate is converted into probit value (y), liquor strength (μ g/mL) is converted into logarithm (x), with minimum
Square law acquires virulence regression equation (y=a+bx), and thus calculates the EC of every kind of medicament50Value.
The synergistic effect of pharmacy mix is evaluated according to the co-toxicity coefficient method (CTC) of Sun Yunpei's Method, i.e. CTC≤80 are antagonism
Effect, 80<CTC<120 be summation action, and CTC >=120 are synergistic effect.Statistical result is as shown in table 1：
Table 1:Tebuconazole and sym-closene and its mixed indoor toxicity test to rice sheath blight disease
| Reagent agent | Proportion | EC50(mg/L) | Co-toxicity coefficient (CTC) |
| Tebuconazole (A) | / | 1.57 | / |
| Sym-closene (B) | / | 2.73 | / |
| A：B | 1:1 | 1.48 | 135.1 |
| A：B | 1:2 | 1.55 | 141.4 |
| A：B | 2:1 | 1.32 | 138.2 |
| A：B | 2:3 | 1.37 | 153.9 |
| A：B | 3:1 | 1.27 | 138.2 |
| A：B | 3:2 | 1.13 | 167.2 |
| A：B | 4:3 | 1.42 | 135.3 |
| A：B | 5:2 | 1.31 | 136.4 |
| A：B | 1:10 | 2.33 | 109.7 |
Measurement result shows that when the proportion of Tebuconazole and sym-closene be 1-5:When 1-3, co-toxicity coefficient (CTC) is big
In 120, synergistic effect is obvious.
Embodiment 2：The field trial of the mixed agent prevention and treatment rice sheath blight disease of the sym-closene containing Tebuconazole.
(1) experimental design, test group 1#：15% Tebuconazole trichloro-isocyanuric acid wettable powder (5:10), mu system
50 grams of agent；Test group 2#：25% Tebuconazole sym-closene suspending agent (10:15), mu is with 30 grams of preparation；Control group 1#：
25% tebuconazole suspension concentrates, mu is with 50 grams of preparation；Control group 2#：36% trichloro-isocyanuric acid wettable powder, mu amount of formulation
60 grams；One blank control is set simultaneously.
(2) test and investigation method：The application of rice sheath blight disease early stage, is watered even spraying.The state of an illness is investigated before medicine to refer to
It counts, 7 days after medicine, carries out result investigation respectively within 14 days, calculate preventive effect.Test result is shown in Table 2.
Table 2：The field trial table of the mixed agent prevention and treatment banded sclerotial blight of the isocyanide of trichlorine containing Tebuconazole urine
| Test process | Preparation usage amount (gram/acre) | 7 days preventive effects (%) after medicine | 14 days preventive effects (%) after medicine |
| Test group 1# | 50 | 72.5 | 86.7 |
| Test group 2# | 30 | 75.6 | 88.4 |
| Control group 1# | 50 | 63.4 | 75.2 |
| Control group 2# | 60 | 52.5 | 71.6 |
| Blank control | / | / | / |
Test result can be seen that：7 days after application, Tebuconazole of the invention and sym-closene mixture composition are to line
Blight preventive effect is all 70% or more, hence it is evident that is better than the single dose of control；14 days after application, Tebuconazole of the invention and trichlorine isocyanide are urinated
Acid-mixed matches composition to rice sheath blight disease preventive effect all 85% or more, also significantly better than the single dose of control；Each medicine during test
Agent is showed no phytotoxicity generation, to crop safety.Illustrate that Tebuconazole and the composition synergy of sym-closene mixture of the invention are aobvious
It writes, can be reduced each single dose amount of application, advantageously reduce dispenser cost, have great significance to agricultural synthesis improvement.
Claims (3)
1. a kind of bactericidal composition containing Tebuconazole and sym-closene, which is characterized in that Tebuconazole and sym-closene
It is 1-5 in the weight ratio of composition:1-3.
2. the bactericidal composition according to claim 1 containing Tebuconazole and sym-closene, Tebuconazole and trichlorine isocyanide
The weight ratio of uric acid is 3:2 or 2:3.
3. the bactericidal composition according to claim 1 or 2 containing Tebuconazole and sym-closene is suitable for prevention and treatment rice
Banded sclerotial blight.
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| CN105685057B true CN105685057B (en) | 2018-11-30 |
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Effective date of registration: 20220725 Address after: 401122 No. 1, Huanan 4th branch road, Changshou chemical park, Chongqing Patentee after: CHONGQING SHURONG CROP SCIENCE Co.,Ltd. Address before: 408527 4-2-168, No. 74, Yuanyuan East Road, Baima Town, Wulong District, Chongqing Patentee before: Chongqing Yubu enterprise management consulting center Effective date of registration: 20220725 Address after: 408527 4-2-168, No. 74, Yuanyuan East Road, Baima Town, Wulong District, Chongqing Patentee after: Chongqing Yubu enterprise management consulting center Address before: 322100 Ward A business center, 505 World Trade Road, Dongyang, Jinhua, Zhejiang, 1709 Patentee before: Dongyang Tianqi intellectual property rights Operation Co.,Ltd. |