CN104472507A - Bactericide composition for preventing and controlling soil-borne diseases - Google Patents
Bactericide composition for preventing and controlling soil-borne diseases Download PDFInfo
- Publication number
- CN104472507A CN104472507A CN201410691885.4A CN201410691885A CN104472507A CN 104472507 A CN104472507 A CN 104472507A CN 201410691885 A CN201410691885 A CN 201410691885A CN 104472507 A CN104472507 A CN 104472507A
- Authority
- CN
- China
- Prior art keywords
- tebuconazole
- kobam
- soil
- composition
- preventing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a bactericide composition for preventing and controlling soil-borne disease. Active ingredients of the composition comprise terrazole and tebuconazole in a mass ratio of 1:20-20:1, and the active ingredients are 1-80 percent of mass of the composition. The bactericide composition has a good preventing effect for multiple soil-borne fungal diseases, can be used for retarding generation and development of pesticide resistance of pathogen and reducing the pesticide amount for preventing and controlling in actual production, and is efficient, economical, safe and environment-friendly.
Description
Technical field
The present invention relates to disinfectant use in agriculture field, be specifically related to a kind of bactericidal composition containing kobam and Tebuconazole.
Background technology
Soil-borne disease refers to and infects by the soil-borne disease original plant disease caused, and belongs to root disease category, lives in soil with invalid body, from crop root or stem infringement crop when condition is suitable for, based on fungal disease, is divided into non-obligate host and obligate host two class.Non-obligate is that external root infects fungi, and the seedling maize ear rot caused as pythium spp and damping off, rhizoctonia cause seedling blight; Obligatory parasitism is plant vasular bundle disease fungus, typically resembles sharp spore sickle, Huang withers that wheel branch spore etc. causes here withers, withered.
In recent years, because soil management is intensive more and more higher, the continuous cropping phenomenon of crops is more and more general, and plantation one class crop, makes corresponding soil-borne disease pathogen be bred year after year, accumulate in a large number in soil continuously, forms sick soil, falls ill every year.Use in a large number chemical fertilizer especially nitrogenous fertilizer can stimulate the sickle-like bacteria of soil-borne disease, Verticillium dahliae and rhizoctonia growth, thus increased the weight of the generation of soil-borne disease.In addition, the harm of soil nematodes has also increased the weight of the generation of soil-borne disease.
The method that present stage prevents and treats soil-borne disease is mainly soil disinfection and chemicals treatment.The using method of soil disinfectant is evenly spread fertilizer over the fields by disinfectant at canopy on the ground, beats, covering with plastic film, take off film after 20 ~ 25 days with rotovator.Need if desired to water, the method effect is better, but time-consumingly takes a lot of work, and expends time in many; The medicaments such as the multiplex carbendazim of chemical control, tmtd or both mixtures carry out the control of filling root, and the long-time use of the medicament such as carbendazim, tmtd has caused the drug-fast generation of pathogen, and preventive effect declines year by year.Here it is, and early stage carries out sterilizing work to seedling, and later stage field planting still there will be a large amount of reasons of rotten dead later.
The how generation of more effective control soil-borne disease, especially more efficient, easy to kill, controls soil-borne disease, has become the key subjects that numerous scientific workers and grower face.
Kobam (Etridiazole), another name Grandox fumigant, chemical name: 5-ethyoxyl-3-trichloromethyl-1,2,4-thiadiazoles is a kind of organic bactericide for soil treatment, yellow liquid is contact bactericide, seed/soil treatment.There is good insect killing effect to the disease fungus of vegetable at protected field and land for growing field crops various crop, bacterium, virus and bacteroid, especially to pathogen residual in soil, there is good action of contace poison.Solvability in water is 50 mg/L (25 DEG C).Dissolve in acetone, carbon tetrachloride.Formulation is pulvis.There is high toxicity to aquatile, long-term harmful effect may be produced to water body environment.Formulation is generally 20% wetting powder.
Tebuconazole (Tebuconazole), chemical name: (RS)-1-(4-chlorphenyl)-4,4-dimethyl-3-(1H-1,2,4 triazol-1-yl methyl) penta-3-alcohol.Sterling is clear crystal, and in water, solvability is 32 mg/L, and in toluene, solvability is 50 ~ 100 g/L.Belong to low toxicity bactericide, can the biosynthesis of Antifungi ergosterol, be a kind of efficient, wide spectrum, interior absorption triazole type sterilization pesticide, have protection, treat, root out three zones, fungicidal spectrum is wide, the lasting period is long.Tebuconazole is mainly used in preventing and treating the multiple fungal disease on wheat, paddy rice, peanut and other crops, has good preventive effect to diseases such as root rot, banded sclerotial blight, zonate spots.Formulation has 125g/L aqueous emulsion, 25% missible oil, 25% wetting powder, 43% suspending agent, 80% water dispersible granules and seed treatment.
It is little to the report preventing and treating soil-borne disease that kobam is applied to soil disinfection at home, and Tebuconazole is the main component of seed treatment at home at present.At present also not by the report of both composite usages in soil treatment.
Summary of the invention
The invention provides a kind of bactericidal composition containing kobam and Tebuconazole, have soil treatment bactericidal activity high, dosage is little, and on plant growth without impact, the feature of economic, efficient, environmental protection, has special efficacy to control soil-borne fungus venereal disease evil.
This microbicide compositions has stronger killing action to multiple soil-borne disease, and its sterilization mode is that liquid is tagged, and can be used for protecting field and open ground soil sterilization, muck and seedbed soil sterilization, protects air-ground canopy to sterilize and fill with root diseases prevention after crop definite value.
Using method is soil, muck liquid sprinkles and waters, and empty canopy sprays stifling, and fills with root after crop definite value.The disease problem after continuous cropping can be solved preferably.
Two classes are had the bactericide of different mechanism of action by the present invention, namely kobam and Tebuconazole combined, and be processed into the upper easy-to-use preparation of production, be used alone in two kinds of compositions and compare, there is biologically active high, dosage total in unit are declines, greatly reduce dispenser cost, delaying pathogen pesticide resistance emergence and development to a greater extent simultaneously, reduce disease fungus produces resistance risk to single bactericide, extend the service life of each component in bactericidal composition, thus realize goal of the invention that is economic, efficient, environmental protection.
Technical scheme of the present invention is:
A kind of microbicide compositions containing kobam and Tebuconazole, it is characterized in that, the active component of described microbicide compositions is kobam and Tebuconazole, and the mass ratio of kobam and Tebuconazole is 1:20 to 20:1, and in composition, active component mass percentage is 1-80%.
The described bactericidal composition containing kobam and Tebuconazole, is characterized in that: described active component kobam and the mass ratio of Tebuconazole are 10:1 to 1:1.
The described bactericidal composition containing kobam and Tebuconazole, is characterized in that: described kobam and the mass ratio of Tebuconazole are 5:1 to 1:1.
The described microbicide compositions containing kobam and Tebuconazole, is characterized in that: the formulation of described microbicide compositions is suspending agent, missible oil, water dispersible granules or wetting powder.
The described microbicide compositions containing kobam and Tebuconazole is applied, and it is characterized in that: this microbicide compositions has good control efficiency to various crop silborne fungal diseases.
Remarkable result of the present invention and advantage are:
The present invention has higher control efficiency to soil-borne fungus venereal disease evil, there is notable synergistic effect between two components; Part high price pesticide species can be replaced, and reduce dosage, effectively reduce ecological disruption and environmental pollution, and crop yield and quality can be improved; The pesticide resistance of germ to single medicament can be delayed.
First the EC of kobam and Tebuconazole two single compound (hereinafter referred to as medicament) is measured
50(drug safety index), according to the EC of two single medicaments
50set the portfolio ratio of two medicaments by the abundant method of Sun Yun, and according to co-toxicity coefficient CTC value, determine suitable composition ratio.
Test objective thing is rhizoctonia cerealis and tomato seedling damping-off bacterium, but is not limited thereto.Test adopts mycelial growth rate method, makes pastille medium by different disposal, and each process 4 repetitions, connect bacterium after 3 days, investigate the growth inhibitory effect of each process to fusarium graminearum.By the linear regression analysis between the probit value of preventive effect and the logarithm value of serial drug concentration, obtain the EC of each medicament
50, calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun, and make overall merit accordingly.CTC≤80 represent to have antagonism, and 80 < CTC < 120 represent to have summation action, and CTC >=120 are synergistic effect.CTC value calculating method is as follows:
The EC of CTC=A
50* the EC of B
50* the EC50*(P of 100/(M
a* the EC of B
50+ P
b* the EC of A
50))
Table 1 kobam and Tebuconazole composition are to the indoor biometrics result of wheat sharp eyespot
| Proportioning (A:B) | Regression equation | Correlation coefficient | EC 50（mg/L） | CTC |
| Kobam (A) | Y=1.763+1.078x | 0.988 | 0.735 | - |
| Tebuconazole (B) | Y=1.218+0.819x | 0.992 | 0.054 | - |
| 20:1 | Y=1.336+1.543x | 0.991 | 0.311 | 147.66 |
| 10:1 | Y=0.876+1.549x | 0.990 | 0.21 | 163.06 |
| 5:1 | Y=2.054+0.943x | 0.989 | 0.101 | 234.61 |
| 1:1 | Y=1.833+1.744x | 0.994 | 0.067 | 150.16 |
| 1:5 | Y=1.523+0.755x | 0.996 | 0.047 | 135.88 |
| 1:10 | Y=1.636+1.590x | 0.979 | 0.044 | 134.02 |
| 1:20 | Y=2.314+1.010x | 0.986 | 0.040 | 141.23 |
As can be seen from the above data, kobam and the fungistatic effect of Tebuconazole composition to rhizoctonia cerealis of different proportion are different, on the whole, its ratio has synergistic effect in the scope of 1:20 to 20:1, wherein maximum enhancing proportions is 5:1, and maximum enhancing proportions scope is 10:1 ~ 1:1.
Table 2 kobam and Tebuconazole composition are to the indoor biometrics result of tomato seedling damping-off
| Proportioning (A:B) | Regression equation | Correlation coefficient | EC 50（mg/L） | CTC |
| Kobam (A) | Y=0.747+1.134x | 0.994 | 0.240 | - |
| Tebuconazole (B) | Y=1.414+0.976x | 0.987 | 0.036 | - |
| 20:1 | Y=1.754+1.121x | 0.993 | 0.147 | 128.57 |
| 10:1 | Y=1.991+0.759x | 0.982 | 0.102 | 155.29 |
| 5:1 | Y=1.010+1.223x | 0.996 | 0.074 | 166.80 |
| 1:1 | Y=1.420+1.239x | 0.987 | 0.033 | 189.72 |
| 1:5 | Y=1.296+2.014x | 0.983 | 0.031 | 135.30 |
| 1:10 | Y=1.525+1.643x | 0.991 | 0.031 | 125.85 |
| 1:20 | Y=1.841+1.236x | 0.988 | 0.027 | 138.96 |
As can be seen from the above data, kobam and the fungistatic effect of Tebuconazole composition to tomato seedling damping-off bacterium of different proportion are different, on the whole, its ratio has synergistic effect in the scope of 1:20 to 20:1, wherein maximum enhancing proportions is 1:1, and maximum enhancing proportions scope is 10:1 ~ 1:1.
Below in conjunction with embodiment, the invention will be further described, considers processing complexity and the price factor of kobam and Tebuconazole, and this experiment determines the optimal proportion adopting 1:1 as both mixtures, but is not limited thereto.The content of content active ingredient involved in embodiment is also not limited thereto.
Embodiment
Embodiment 1 (45% kobam tebuconazole suspension concentrates)
Composition of raw materials: by mass percentage
Active component kobam 12.5%
Active component Tebuconazole 12.5%
NNO 3%
JFC-E 2%
OP-10 2%
Xanthans 0.15%
Propane diols 1%
Octanol 0.1%
Water surplus.
Preparation method is as follows:
According to formula, individual component is weighed in proportion, add ball mill ball milling 30 minutes, filter, suction dispersion tank high speed shear was fully ground through sand mill after 3 minutes, controlled solid constituent particle diameter within 2 microns, stir after grinding terminates, obtain suspending agent product.
Embodiment 2 (60% kobam Tebuconazole missible oil)
Composition of raw materials: by mass percentage
Active component kobam 30%
Active component Tebuconazole 30%
Toluene 20%
Anhydrous calcium salt 5%
Tween 80 5%
Carbon tetrachloride surplus.
Preparation method: fully dissolved in toluene reactor by active component Tebuconazole, makes A liquid; Active component kobam is fully dissolved in carbon tetrachloride reaction still, makes B liquid; Not stopping, under stirring, A liquid is mixed into B liquid, stirring, adding anhydrous calcium salt and Tween 80, then with solvent carbon tetrachloride adjustment content.
Embodiment 3(50% kobam tebuconazole water dispersible granule)
Active component kobam 25%
Active component Tebuconazole 25%
Methyl fatty acid amides benzene sulfonic acid calcium 4%
Sodium carbonate 3%
Sodium lignin sulfonate 4%
Kaolin surplus.
Preparation method: kobam, Tebuconazole, Methyl fatty acid amides benzene sulfonic acid calcium, sodium carbonate, attapulgite are mixed together evenly, particle diameter 5 μm is crushed to through airslide disintegrating mill, obtain female powder, female powder is fully mixed rear granulation with sodium lignin sulfonate, dries, sieves, thus obtained water-dispersible granules.
Embodiment 4(50% kobam Tebuconazole wetting powder)
Active component kobam 25%
Active component Tebuconazole 25%
Wood sodium 3%
Amine carbonate 3%
White carbon 10%
Attapulgite surplus.
Preparation method: by above-mentioned substance Homogeneous phase mixing, mixture is pulverized through airslide disintegrating mill, obtained wetting powder.
control efficiency is tested:
The field efficiency test of wheat sharp eyespot carries out on Long Kang farm, Huaiyuan, and test area is 0.3hm
2, often process in triplicate, carry out root irrigation after being diluted by medicament when wheat cultivation, carry out preventive effect investigation in dispenser after 25 days, control the results are shown in Table 3.Result shows, this bactericidal composition has good control efficiency to wheat sharp eyespot, can reach higher control efficiency under same dose or lower using dosage, and each process preventive effect bacterium of this bactericidal composition is greater than 85%, is significantly higher than contrast medicament.
The land for growing field crops drug effect of table 3 kobam Tebuconazole bactericidal composition control wheat sharp eyespot
The field efficiency test of tomato seedling damping-off is located in the green house of Suburbs of Hefei, and this field damping off occurs toward average annual moderate, test area 0.1hm
2, often process in triplicate, after tomato seedling is transplanted, carry out medicament root irrigation, the incidence of disease of 15 days investigation damping offs after tomato field planting, control the results are shown in Table 4.Result shows, this bactericidal composition has good control efficiency to tomato seedling damping-off, can reach higher control efficiency under same dose or lower using dosage, and each process preventive effect bacterium of this bactericidal composition is greater than 80%, is significantly higher than contrast medicament.
The land for growing field crops drug effect of table 4 kobam Tebuconazole bactericidal composition control tomato seedling damping-off
From the data of table 3 and table 4, the bactericidal composition containing kobam and Tebuconazole all has good preventive effect to wheat sharp eyespot and tomato seedling damping-off.
Finally, it is also to be noted that what enumerate above is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, a lot of distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all think the scope of protection of the invention.
Claims (4)
1. one kind contains the microbicide compositions of kobam and Tebuconazole, it is characterized in that, the active component of described microbicide compositions is kobam and Tebuconazole, and the mass ratio of kobam and Tebuconazole is 1:20 to 20:1, and in composition, active component mass percentage is 1-80%.
2. the bactericidal composition of 2-cyano-3-amino-3-phenylancryic acetate-containing according to claim 1 and probenazole, is characterized in that: described active component kobam and the mass ratio of Tebuconazole are 10:1 to 1:1.
3. the bactericidal composition containing kobam and Tebuconazole according to claim 1, is characterized in that: described kobam and the mass ratio of Tebuconazole are 5:1 to 1:1.
4. the microbicide compositions of 2-cyano-3-amino-3-phenylancryic acetate-containing according to claim 1 and 2 and probenazole, is characterized in that: the formulation of described microbicide compositions is suspending agent, missible oil, water dispersible granules or wetting powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410691885.4A CN104472507B (en) | 2014-11-27 | 2014-11-27 | A kind of Bactericide composition preventing and treating soil-borne disease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410691885.4A CN104472507B (en) | 2014-11-27 | 2014-11-27 | A kind of Bactericide composition preventing and treating soil-borne disease |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104472507A true CN104472507A (en) | 2015-04-01 |
| CN104472507B CN104472507B (en) | 2016-06-15 |
Family
ID=52747232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410691885.4A Expired - Fee Related CN104472507B (en) | 2014-11-27 | 2014-11-27 | A kind of Bactericide composition preventing and treating soil-borne disease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104472507B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977268A (en) * | 2017-03-13 | 2017-07-25 | 仲恺农业工程学院 | A kind of environment protection type soil medicine fertilizer and its preparation method and application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102845454A (en) * | 2012-10-12 | 2013-01-02 | 北京燕化永乐农药有限公司 | Compound pesticide and fungicide |
| CN103651454A (en) * | 2013-12-20 | 2014-03-26 | 李视辉 | Composition of sustained-release soil fungicide |
-
2014
- 2014-11-27 CN CN201410691885.4A patent/CN104472507B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102845454A (en) * | 2012-10-12 | 2013-01-02 | 北京燕化永乐农药有限公司 | Compound pesticide and fungicide |
| CN103651454A (en) * | 2013-12-20 | 2014-03-26 | 李视辉 | Composition of sustained-release soil fungicide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977268A (en) * | 2017-03-13 | 2017-07-25 | 仲恺农业工程学院 | A kind of environment protection type soil medicine fertilizer and its preparation method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104472507B (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101548677B (en) | Sterilizing compound of ethirimol and triazole | |
| CN101946775B (en) | Sterilization compound containing triazole fungicide and azoxystrobin | |
| CN104161042B (en) | A kind of composition pesticide of fluorine-containing azoles bacterium aniline and methoxy acrylic | |
| CN104412981B (en) | A kind of bactericidal composition of fluorine-containing ether bacterium amide and methoxy acrylic | |
| CN104170826A (en) | Bactericidal composition containing penflufen and amide | |
| CN102860307A (en) | Compound pesticide containing validamycin and cyprosulfamide and application of compound pesticide | |
| CN101632371A (en) | Compound sterilization composition | |
| CN105901001A (en) | Bactericide composition containing metconazole and hymexazol | |
| CN107006505A (en) | A kind of composition pesticide of copper 8-hydroxyquinolinate and pyraclostrobin | |
| CN103875712A (en) | Safe pleietrepie rice seed treating agent | |
| CN104126585B (en) | A kind of combination sterilization composition of fluorine-containing azoles bacterium aniline | |
| CN104472497A (en) | Bactericide composition for preventing and treating soybean root rot disease | |
| CN104472507B (en) | A kind of Bactericide composition preventing and treating soil-borne disease | |
| CN108157381A (en) | Bactericidal composition containing captan and isopyrazam | |
| CN103355303A (en) | Bactericidal composition containing picoxystrobin and amino-oligosaccharin, usage and application thereof | |
| CN104488897B (en) | The complex composition and preparation of the azoles of bacterium containing methylsulfonyl and carbamate fungicide | |
| CN103988847B (en) | Bactericidal composition containing chitosan oligosaccharide and dithiocyano-methane | |
| CN111602674A (en) | Pesticide composition containing difenoconazole and bacillus subtilis | |
| CN104336019A (en) | Pesticide composition and application thereof | |
| CN104472504B (en) | A kind of bactericidal composition and application thereof containing epoxiconazole and probenazole | |
| CN103210937A (en) | Composition comprising coumoxystrobin and other bactericides | |
| CN107094774A (en) | Synergistic composition containing benzothiostrobin | |
| CN107087609A (en) | Microbicide compositions containing anthraquinone analog compound and S-Ethyl ethylthio sulfonate | |
| CN105900993A (en) | Bactericide composition containing fluxapyroxad and dimethachlon | |
| CN105475356A (en) | Pesticide composition containing propineb and prochloraz manganese |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20181127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |