CN103004811A - Compound bactericide - Google Patents
Compound bactericide Download PDFInfo
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- CN103004811A CN103004811A CN 201210552482 CN201210552482A CN103004811A CN 103004811 A CN103004811 A CN 103004811A CN 201210552482 CN201210552482 CN 201210552482 CN 201210552482 A CN201210552482 A CN 201210552482A CN 103004811 A CN103004811 A CN 103004811A
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- thifluzamide
- compound
- ethyl ethylthio
- ethylthio sulfonate
- compound disinfectant
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Abstract
The invention belongs to the field of pesticide bactericides and particularly relates to a compound bactericide which contains thifluzamide and ethylicin. The compound bactericide provided by the invention contains effective constituents of thifluzamide and ethylicin; a mass ratio of the effective constituents of thifluzamide and ethylicin ranges from 10:1 to 1:10; and the effective constituents of thifluzamide and ethylicin are 10%-70% of the compound bactericide in percentage by mass, the remainder is auxiliary components which are acceptable and permitted to be used in the pesticides. The compound is mainly used for preventing gramineous crop rice sheath blight disease, rice blight, rice blast, wheat sharp eyespot, rust disease, stinking smut, apple ring rot disease, bacterial wilt and the like. The compound has the characteristics of remarkable synergistic effect, broad-spectrum bactericide, long effect-persistent time, safety to crops and the like.
Description
Technical field
The invention belongs to the disinfectant use in agriculture field, particularly a kind of compound disinfectant that contains thifluzamide and S-Ethyl ethylthio sulfonate.
Background technology
Thifluzamide belongs to the thiazole amide bactericide, is the succinate dehydrogenase inhibitor, because fluorine-containing, its its competitiveness in biochemical pathway is very strong, has strong interior absorption and long wholesomeness.The pathomycetes such as Rhizoctonia, Puccinia, Ustilago, Tilletia, corticium, nuclear cavity Pseudomonas all there is activity, especially the fungus-caused disease of Basidiomycetes such as banded sclerotial blight, damping off etc. is had special efficacy.Especially rice sheath blight disease, damping off are had excellent preventive effect, consumption is low, about 20 milliliters of every mu of preparation consumptions, and application process and period are also more flexible.Cauline leaf health through this chemicals treatment is dark green, for volume increase provides condition.Under recommendation dosage, thifluzamide is to crop safety, without poisoning, overcome many medicaments of being used on the Vehicles Collected from Market preventing and treating smut to the unsafe shortcoming of crop, prevents and treats in seed treatment and will bring into play larger effect aspect the systemic disease.Resistance of rainwater washing against, rainfall in 1 hour does not affect drug effect after the dispenser.But thifluzamide does not have activity to the phycomycetes class, and is to the disease that is caused by leaf section pathogen, bad such as the cercospora brown spot of peanut, black spot effect.S-Ethyl ethylthio sulfonate is the highly effective bactericide with broad spectrum that the sixties, the Chinese science and technology worker developed voluntarily, is a kind of plant bionic agricultural chemicals, and the content of general preparation is 80% S-Ethyl ethylthio sulfonate.What pure biological 80% S-Ethyl ethylthio sulfonate that extracts was effectively evaded harmful substance in the chemosynthesis retains environmental protection.Strong, the interior absorption of permeability is good, has outstanding downward conduction function, absorbed by crops by foliar spray, the crop fibrous root can go directly, reduce mashed root, promote robust plant, S-Ethyl ethylthio sulfonate can suppress tens of kinds of germs of the crop such as grain and oil, cotton, vegetables, flowers, medicinal material, tealeaves and silkworm industry, fishery.Achlya spp disease, bakanae disease, rice blast, bacterial leaf-blight have been widely used at present preventing and treating; Stinking smut, stripe disease; Fusarium and Verticillium wilts, anthracnose; Fruit tree ring spot, anthracnose, leaf spot; The epidemic disease of gourd, fruit and vegetable, bacterial wilt, climing rot, fusarium wilt, anthracnose; Crops seedling stage damping off, damping off, root rot; Tealeaves root rot, bud blight etc.Current research shows that 80% S-Ethyl ethylthio sulfonate and other bactericide (particularly triazole bactericidal agent) use control efficiency with and can promote 40%-70%, and can enlarge fungicidal spectrum, improves quick-acting, reduces and uses agent.With pesticide compositional, suppress the insect organized enzyme, increase permeance property, improve insecticidal activity, delaying drug resistance produces.
Often there is defective in various degree in the bactericide kind that contains the single-activity component in the disinfectant use in agriculture control, narrow such as bactericidal range, control efficiency is poor, and dispenser dosage Da Yi develops immunity to drugs, and application times is added heavily environmental pollution etc.For the upper germ that produces resistance of control agricultural, a kind of way is to release new and the new component of existing kind without cross resistance.But the development cost of new active ingredient is high, and the construction cycle is long, and does not all catch up with the speed that germ produces resistance forever.Other way is rotated etc. such as crop allocation adjustment, different agricultural chemicals, in the process of practical operation, is difficult to really play obvious effect.
The different cultivars composition carries out composite, is to prevent and treat the modal method of resistance germ.Heterogeneity is carried out composite, can improve control efficiency, enlarges bactericidal range, reduces the consumption of active ingredient, saves drug cost, reduces environmental pollution, is the important means of integrated control field disease.
Through retrieval, at present do not find thifluzamide with S-Ethyl ethylthio sulfonate is composite and the document of application.
Summary of the invention
It is thifluzamide and S-Ethyl ethylthio sulfonate that the present invention aims to provide a kind of active ingredient, good drug efficacy, the compound disinfectant that the lasting period is long.
Technical scheme of the present invention is: a kind of compound disinfectant, contain active ingredient thifluzamide and S-Ethyl ethylthio sulfonate.
Optimize, the mass ratio of described active ingredient thifluzamide and S-Ethyl ethylthio sulfonate is 10:1～1:10.
Optimize, described active ingredient thifluzamide and the S-Ethyl ethylthio sulfonate quality percentage composition in described compound disinfectant is 10%～70%, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
Optimize, described compound disinfectant, its formulation is wetting powder or suspended emulsion.
Optimize, the purposes of described compound disinfectant is: it is being prevented and treated aspect rice sheath blight disease, rice blast, the damping off, aspect control wheat sharp eyespot, rust, bunt, is preventing and treating aspect ring rot of apple, the bacterial wilt, aspect the control Cereal Rust, or the application of cauline leaf processing aspect.
Above-mentioned active ingredient thifluzamide and S-Ethyl ethylthio sulfonate all are bactericide well known in the art, can buy by various commercial channel.
Beneficial effect of the present invention is: 1, the bactericidal composition synergistic effect of thifluzamide and the compound formation of S-Ethyl ethylthio sulfonate is obvious, is not the simple superposition of each composition activity, but significant synergistic effect is arranged; 2, the field consumption of active ingredient descends, and has reduced production and use cost, reduces residue of pesticide and environmental pollution; 3, bactericidal composition is comprised of the active ingredient of different mechanism of action, is conducive to overcome and delays the drug-fast generation of germ, and is significant to crop safety and integrated control crop germ; 4, thifluzamide and S-Ethyl ethylthio sulfonate compound after, enlarged fungicidal spectrum, the medicament characteristic has obtained mutual supplement with each other's advantages, can prevent and treat the various crop disease, makes things convenient for peasant's medication.
Embodiment
Specify the present invention below in conjunction with embodiment.Percentage all is weight percentage among the embodiment, and the treatment dosage of field efficacy is effective ingredient consumption.
1, wetting powder
Preparation method: in the Example formulations ratio, active ingredient thifluzamide and S-Ethyl ethylthio sulfonate are added in the filler, and add therein wetting agent and dispersant, mix with mixer, mix again making wetting powder after pulverizing with the airslide disintegrating mill air-flow.
Embodiment 1:50% thifluzamide S-Ethyl ethylthio sulfonate wetting powder
Prescription: thifluzamide, 35%; S-Ethyl ethylthio sulfonate, 15%; The wetting agent lauryl sodium sulfate, 2%; The dispersant calcium lignosulfonate, 8%; The filler white carbon, 18%, filler kaolin, surplus.
Embodiment 2:45% thifluzamide S-Ethyl ethylthio sulfonate wetting powder
Prescription: thifluzamide, 10%; S-Ethyl ethylthio sulfonate, 35%; Wetting agent dodecylbenzene sodium sulfonate, 3%; Dispersant alkylnaphthalene sulfonate formaldehyde condensation products, 8%; The filler white carbon, 30%; The filler attapulgite, surplus.
2, suspended emulsion
Preparation method: press formula rate, at first active ingredient thifluzamide and water, dispersant are processed into the suspending agent of certain content; S-Ethyl ethylthio sulfonate, emulsifier, thickener, defoamer and antifreezing agent are mixed, then add in the above-mentioned suspending agent, through shearing, the homogeneous product that namely gets.
Embodiment 3:30% thifluzamide S-Ethyl ethylthio sulfonate suspended emulsion
Prescription: thifluzamide, 5%; S-Ethyl ethylthio sulfonate, 25%; The newborn OP-10 phosphate of emulsifier farming, 2%; Dispersant polycarboxylate, 3%; Thickener is selected xanthans and aluminium-magnesium silicate, and consumption is respectively 0.1% and 2%; Antifreeze glycol, 5%; The defoamer silicone compound, 0.5%; Water, surplus.
Embodiment 4:40% thifluzamide S-Ethyl ethylthio sulfonate suspended emulsion
Prescription: thifluzamide, 15%; S-Ethyl ethylthio sulfonate, 25%; The newborn 600# of emulsifier farming phosphate, 2%; Dispersant naphthalene sulfonic acid-formaldehyde condensation product sodium salt, 4%; Thickener is selected xanthans and aluminium-magnesium silicate, and consumption is respectively 0.07% and 1.5%; Antifreeze glycol, 5%; The defoamer silicone compound, 0.5%; Water, surplus.
The below uses embodiment medicament 45% thifluzamide S-Ethyl ethylthio sulfonate wettable powder, 30% thifluzamide S-Ethyl ethylthio sulfonate suspended emulsion and Comparative Examples medicament 24% thifluzamide aqueous suspension agent and 80% S-Ethyl ethylthio sulfonate missible oil that rice sheath blight disease is carried out field control effectiveness test, so that beneficial effect of the present invention to be described better, result of the test is as shown in table 1 below.
Establish embodiment medicament, Comparative Examples medicament and do not use totally 13 processing of any medicament in this field test, each is processed and repeats 4 times, process the residential quarter for totally 52, every processing residential quarter takes by weighing medicament according to table 1 listed medicament and the amount of taking thereof, then be watered, implement the spray medicine in rice tillering latter stage to the booting initial stage, spray value is 45,000 g/acres.Get at random 3 points, get 6 root and stem of certain plants paddy rice at every, at blade and the stem scab number, lesion area of investigation in 10 days, 20 days, 30 days after the medication on the paddy rice, calculate control efficiency with disease index respectively.
The scab grade scale is with reference to State Standard of the People's Republic of China " pesticide field efficacy medicine test criterion ".The blade occurring degree is divided into 6 grades, and 0 grade: blade is without scab; 1 grade: lesion area accounts for whole blade area below 5%; 2 grades: lesion area accounts for whole blade area 6%～10%; 3 grades: lesion area accounts for whole blade area 11%～25%; 4 grades: lesion area accounts for whole blade area 26%～50%; 5 grades: lesion area accounts for whole blade area more than 50%.When carrying out state of an illness investigation, if any the leaf abscission of seriously catching an illness, take leaf scar as counting in the statistical data according to the blade as the highest morbidity progression.Disease refers to calculate as follows with control efficiency:
Table 1 different disposal is to the control efficiency of rice sheath blight disease
Can find out from table 1 result of the test, after the dispenser 10 days, 20 days, 30 days, embodiment medicament 45% thifluzamide S-Ethyl ethylthio sulfonate wetting powder and 30% thifluzamide S-Ethyl ethylthio sulfonate suspended emulsion to the control efficiency of rice sheath blight disease all more than 85%, apparently higher than contrast agents.Embodiment medicament using dosage is low, and only for 1/3 of contrast agents just can reach good control efficiency, and the medicament efficiency time is long, and dispenser still reaches fine control efficiency after 30 days.Experimental session is observed, and without poisoning, safety is good to paddy rice for the embodiment medicament.The above results shows and has significant synergies after composite by thifluzamide and S-Ethyl ethylthio sulfonate.
Claims (5)
1. a compound disinfectant is characterized in that: contain active ingredient thifluzamide and S-Ethyl ethylthio sulfonate.
2. compound disinfectant according to claim 1, it is characterized in that: the mass ratio of described active ingredient thifluzamide and S-Ethyl ethylthio sulfonate is 10:1～1:10.
3. compound disinfectant according to claim 2, it is characterized in that: described active ingredient thifluzamide and the S-Ethyl ethylthio sulfonate quality percentage composition in described compound disinfectant is 10%～70%, all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
4. compound disinfectant according to claim 3, it is characterized in that: its formulation is wetting powder or suspended emulsion.
5. the purposes of described any compound disinfectant according to claim 1～4, it is characterized in that: it is being prevented and treated aspect rice sheath blight disease, rice blast, the damping off, aspect control wheat sharp eyespot, rust, bunt, preventing and treating aspect ring rot of apple, the bacterial wilt, aspect the control Cereal Rust, or the application of cauline leaf processing aspect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210552482 CN103004811A (en) | 2012-12-19 | 2012-12-19 | Compound bactericide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210552482 CN103004811A (en) | 2012-12-19 | 2012-12-19 | Compound bactericide |
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| Publication Number | Publication Date |
|---|---|
| CN103004811A true CN103004811A (en) | 2013-04-03 |
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|---|---|---|---|
| CN 201210552482 Pending CN103004811A (en) | 2012-12-19 | 2012-12-19 | Compound bactericide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105076238A (en) * | 2015-08-10 | 2015-11-25 | 谢绪叶 | Fungicide containing thifluzamide and scutellaria baicalensis |
| CN110463711A (en) * | 2019-08-30 | 2019-11-19 | 刘正国 | A kind of bactericidal composition |
-
2012
- 2012-12-19 CN CN 201210552482 patent/CN103004811A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105076238A (en) * | 2015-08-10 | 2015-11-25 | 谢绪叶 | Fungicide containing thifluzamide and scutellaria baicalensis |
| CN110463711A (en) * | 2019-08-30 | 2019-11-19 | 刘正国 | A kind of bactericidal composition |
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Application publication date: 20130403 |