CN101180962B - Composition containing Zhongshengmycin and zineb with synergism - Google Patents
Composition containing Zhongshengmycin and zineb with synergism Download PDFInfo
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- CN101180962B CN101180962B CN2007103002352A CN200710300235A CN101180962B CN 101180962 B CN101180962 B CN 101180962B CN 2007103002352 A CN2007103002352 A CN 2007103002352A CN 200710300235 A CN200710300235 A CN 200710300235A CN 101180962 B CN101180962 B CN 101180962B
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- rhzomorph
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Abstract
The synergistic composition comprising Zineb and C19H34O8N8 relates to a pesticide composition. The active ingredients are the Zineb and the C19H34O8N8. The composition is used for the prevention and treatment of tomato disease, particularly suitable for the prevention and treatment of early blight of tomato triophanate-methyl.
Description
Technical field
The composition pesticide that this invention relates to is to be active ingredient with middle living rhzomorph and zineb, on agricultural, is used to prevent and treat early blight of tomato.
Technical background
The middle rhzomorph of giving birth to is a kind of novel bactericide.Belong to a kind of N-glucoside antibiotic.Its has a broad antifungal spectrum all has good result to various bacteria, fungi.Gram-negative and positive bacterium there is very good effect.Can cause in the hyphal cell protoplasm cohesion to fungi, the sprouting of pathogen spore is had had strong inhibitory effects.There is not cross resistance with conventional dose.
Zineb is a kind of broad spectrum protection property bactericide.Multiple diseases there is fine prevention effect.Its effective ingredient is prone to be oxidized to different thiocyanation compound in water, to pathogen contain-enzyme of sh base has had strong inhibitory effects.
Yet in the real process of agricultural production, preventing and treating the problem that disease is easy to generate most is the drug-fast generation of germ.In the tomato planting process, early blight of tomato is common disease, because its spread speed is fast, it is serious to cause harm, as prevents and treats untimelyly, often causes a large amount of tomato leaves perforation, wilts, and the fruit distortion is rotted, and influences output.Preventing and treating this disease often needs a large amount of use agricultural chemicals, and will in time spray.So be easy to generate resistance especially.Some medicaments of preventing and treating early blight commonly used all need use by turns or use with other composite reagent.
Go up the disease that produces resistance for control agricultural, a kind of way is to release the new component that new and existing kind do not have cross resistance.But the development cost of new active ingredient is high, and the construction cycle is long, and all produces the speed of resistance less than germ forever.Other method such as crop allocation are adjusted, different agricultural chemicals is rotated etc., in the process of practical operation, are difficult to really play obvious effects.
The composition of different cultivars carries out composite, is to prevent and treat the very common way of resistance germ.Heterogeneity is carried out composite, according to the effect of practical application, judge certain composite be synergy, add and or antagonism.Compound synergic is well filled a prescription, owing to obviously improved actual control efficiency, reduced the usage amount of agricultural chemicals, thereby delayed the drug-fast generation of germ greatly, and be the important means of integrated control disease.Still nobody reported to give birth to the composite of rhzomorph and zineb and application at present.
Summary of the invention
Technical scheme of the present invention is following: a kind of composition pesticide, and effective ingredient is made up of middle living rhzomorph and zineb, and the mass ratio of middle living rhzomorph and zineb is 1: 2-1: between 40, be made into wetting powder during practical application.
Go up the germ that produces resistance in order to prevent and treat agricultural, we have carried out mutual composite synergy research with compositions such as middle living rhzomorph, zineb.It is tested object that early blight of tomato is adopted in test, and concrete grammar is:
Test material is the early blight of tomato germ.Test medicine is that producer provides former medicine; Take by weighing a certain amount of middle former medicine of rhzomorph, the former medicine of zineb of giving birth to; In give birth to the direct water dissolving of rhzomorph, zineb add a certain amount of dimethyl sulfoxide (DMSO) with its dissolving after, add Tween-80 more respectively and a certain amount of aqua sterilisa is made into mother liquor.On the basis of mother liquor, by the trial test result, the dilution of preparation series confession examination concentration more than 5, each concentration is established more than 4 and is repeated.By the preliminary experiment result, respectively according to middle living rhzomorph: zineb is 1: 2,1: 5,1: 10,1: 20,1: 40 proportioning, with aqua sterilisa mother liquor is diluted to suitable series concentration.
The mycelial growth rate method is adopted in test.Sterile water solution to contain an amount of dimethyl sulfoxide (DMSO) and Tween 80 compares (CK).Getting the 2ml soup joins in the conical flask that the hot medium of 38ml (PDA medium, 45-50 ℃) is housed, after shaking up; Pour diameter 90mm glass culture dish rapidly into, each culture dish is poured band medicine medium 13ml into, and each handles three repetitions; Level leaves standstill, and processes flat board after the cooling.One of the bacterium cake of every ware access diameter 0.4cm.All operations all carries out sterile working at superclean bench.Be placed on after the processing in 26 ± 1 ℃ the constant temperature aseptic culture case and cultivate, take out behind the 3d.Adopt the right-angled intersection method to measure the colony diameter that each is handled respectively, the mean value, the mycelial growth that calculate colony diameter suppress virulence regression equation and EC
50
Calculate the toxicity index of each medicament and the co-toxicity coefficient of mixture (CTC value) according to the abundant method of Sun Yun, promptly CTC≤80 are antagonism, and 80＜CTC＜120 are summation action, and CTC>=120 are synergistic effect.Co-toxicity coefficient (CTC)=mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture.
Actual measurement toxicity index (ATI)=standard medicament EC50/ supplies reagent agent EC
50* 100
The percentage composition of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
The percentage composition of B in+B medicament toxicity index * mixture
Test be mixed result such as following table:
Give birth to the prescription The selection result of rhzomorph zineb in the table 1 to tomato early blight bacterium
Experimental result is mixed:
Middle living rhzomorph and zineb are mixed, and the early blight of tomato germ is had good indoor virulence.(1: 2-1: 40) the CTC value is all greater than 120 for proportioning.Show that two effective ingredients have synergistic effect under this this proportioning.Through being mixed, can reach the effect that reduces cost, improves the medicament activity and delay the generation of pathogen pesticide resistance.
Embodiment
Application example one: early blight of tomato
By middle living rhzomorph 3%, zineb 32%, dispersant calcium lignosulfonate 10%, wetting agent neopelex 5%, surplus adds white carbon, breaks into 600 purpose wetting powders with airslide disintegrating mill.This prescription is by 2000 times of dilution sprayings, and 14 days control efficiency are to give birth to rhzomorph wetting powder and 64% Zineb wettable powder in 92.3%, 3% according to using with quadrat method behind the medicine, and 14 days preventive effects are respectively 56.5% and 86.6% behind the medicine.
Application example two: early blight of tomato
By middle living rhzomorph 2%, zineb 44%, dispersant sodium lignin sulfonate 10%, wetting agent neopelex 5%, surplus adds white carbon, breaks into 600 purpose wetting powders with airslide disintegrating mill.This prescription is handled with 2000 times of dilution sprayings.14 days preventive effects reach 92.2% behind the medicine.Give birth to rhzomorph wetting powder and 64% Zineb wettable powder in 3% according to using with quadrat method.14 days control efficiency are respectively 58.6% and 84.6% behind the medicine.
Claims (2)
1. composition pesticide, effective ingredient is made up of middle living rhzomorph and zineb, and the mass ratio of middle living rhzomorph and zineb is 1: 2-1: between 40.
2. the composition of mentioning in the claim 1 is processed wetting powder during practical application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103002352A CN101180962B (en) | 2007-12-17 | 2007-12-17 | Composition containing Zhongshengmycin and zineb with synergism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103002352A CN101180962B (en) | 2007-12-17 | 2007-12-17 | Composition containing Zhongshengmycin and zineb with synergism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101180962A CN101180962A (en) | 2008-05-21 |
| CN101180962B true CN101180962B (en) | 2012-04-04 |
Family
ID=39446496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103002352A Active CN101180962B (en) | 2007-12-17 | 2007-12-17 | Composition containing Zhongshengmycin and zineb with synergism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101180962B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388887B (en) * | 2011-08-02 | 2013-07-17 | 南宁市德丰富化工有限责任公司 | Sterilization composition containing zhongshengmycin |
| CN102960367B (en) * | 2012-10-29 | 2015-05-06 | 安华芳 | Fungicide for inhibiting potato leafroll disease |
| CN103444741B (en) * | 2013-09-09 | 2015-03-04 | 崔淑华 | Penconazole and zhongshengmycin-containing sterilization composition and application thereof |
| CN104705324B (en) * | 2015-03-13 | 2017-04-05 | 朱德坤 | A kind of bactericidal composition containing Zhongshengmycin and chitosan oligosaccharide |
| CN105104411A (en) * | 2015-07-28 | 2015-12-02 | 贵州大学 | Compound bactericide for preventing and treating tomato bacterial leaf spot |
| CN105557725B (en) * | 2015-12-18 | 2018-11-06 | 广东中迅农科股份有限公司 | Bactericidal composition containing Zhongshengmycin and fluoxastrobin |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003034824A1 (en) * | 2001-10-23 | 2003-05-01 | Bayer Cropscience S.A. | Fungicidal composition based on at least one pyridylmethylbenzamide derivative and at least one dithiocarbamate derivative |
| CN1729791A (en) * | 2005-08-25 | 2006-02-08 | 齐军山 | Agricultural sterilizing composition aimed at plant disease |
-
2007
- 2007-12-17 CN CN2007103002352A patent/CN101180962B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003034824A1 (en) * | 2001-10-23 | 2003-05-01 | Bayer Cropscience S.A. | Fungicidal composition based on at least one pyridylmethylbenzamide derivative and at least one dithiocarbamate derivative |
| CN1729791A (en) * | 2005-08-25 | 2006-02-08 | 齐军山 | Agricultural sterilizing composition aimed at plant disease |
Non-Patent Citations (1)
| Title |
|---|
| 马洪兵 等.谈当前农药的混用.《山东林业科技》.2005,(第2期),72-75. * |
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| Publication number | Publication date |
|---|---|
| CN101180962A (en) | 2008-05-21 |
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