CN103548847A - Fungicide composition and application thereof - Google Patents
Fungicide composition and application thereof Download PDFInfo
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- CN103548847A CN103548847A CN201310541440.3A CN201310541440A CN103548847A CN 103548847 A CN103548847 A CN 103548847A CN 201310541440 A CN201310541440 A CN 201310541440A CN 103548847 A CN103548847 A CN 103548847A
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Abstract
The invention belongs to the field of agricultural fungicides and particularly relates to a fungicide composition and application of the fungicide composition. The fungicide composition comprises active components A and B, wherein the weight ratio of the component A to the component B is in a range from 1:100 to 100:1; the component A is selected from a fungicide penthiopyrad; the component B is selected from an oxazoles fungicide. The fungicide composition is particularly suitable for preventing and treating various plant pathogenic fungus diseases, such as plant gray mold, sclerotiniose, core rot diseases, southern blight and leukoderma.
Description
Technical field
The invention belongs to disinfectant use in agriculture field, specifically a kind of Fungicidal composition and application thereof.
Background technology
New type bactericide pyrrole metsulfovax has efficiently, the bactericidal activity of wide spectrum, not only rust, stalk break is had to good activity, and gray mold, powdery mildew and apple scab are also demonstrated to good bactericidal activity.Its structural formula is as follows:
The suitable crop of this bactericide and fruit tree comprise apple, pears, peach, oranges and tangerines, tomato, cucumber, grape, wheat, paddy rice and lawn etc., are mainly used in preventing and treating scab, rust, powdery mildew, banded sclerotial blight, early blight, stalk break and gray mold etc.
Oxazole series bactericidal agent has good control efficiency to the gray mold of various crop as SYP-Zo48, vinclozolin, myclozolin, chlozolinate etc., but the process more than ten years are reused continuously with ash arrhizus bacteria and breed soon, genetic variation is large, cause the poor effect of most medicament.Bactericide is used history to show, reuse for a long time same class medicament, especially the single medicament of action site, very easily makes the part bacterial strain of disease develop immunity to drugs, and drug effect is obviously declined.By the bactericide of the different mechanisms of action is used in combination, can effectively delay the drug-fast generation of pathogen, extend the service life of medicament.
Summary of the invention
The object of the invention is to improve provides a kind of Fungicidal composition and application thereof that one of to contain bactericide pyrrole metsulfovax be active component to the control efficiency of corps diseases for object.
For achieving the above object, the present invention adopts technical scheme to be:
, containing A, two kinds of active components of B, the weight ratio between component A and B component two components is 1:100-100:1; In composition, the weight content of active component is 0.1-95%;
Component A is selected from bactericide pyrrole metsulfovax, and its structure is as follows:
B component is selected from oxazole series bactericidal agent; Described oxazole series bactericidal agent is selected from SYP-Zo48 B1, vinclozolin B2, myclozolin B3 or chlozolinate B4.These bactericide samples can be buied from market.Described oxazole series bactericidal agent structure is as follows:
The further preferred technical scheme of the present invention is: in described Fungicidal composition, active component A is selected from bactericide pyrrole metsulfovax; Active component B is selected from oxazole series bactericidal agent; Described oxazole series bactericidal agent is selected from SYP-Zo48 B1 or vinclozolin B2; Weight ratio between A, two kinds of active components of B is 1:50-50:1.
The present invention further preferred technical scheme is: in described Fungicidal composition, active component A is selected from bactericide pyrrole metsulfovax; Active component B is selected from oxazole series bactericidal agent; Described oxazole series bactericidal agent is selected from SYP-Zo48 B1; Weight ratio between A, two kinds of active components of B is 1:20-20:1.
Technical scheme of the present invention also comprises that said composition is as the purposes of fungicide.Described Fungicidal composition is as active ingredient, and the weight percentage of Fungicidal composition is 0.1-95%.The present invention also comprises the using method of above-mentioned composition control harmful fungoid.Component A and at least one B component prepare in advance according to appropriate proportioning provided by the invention or using on-the-spot preparation or two components being used separately successively, all present significant protection effect.
Present composition synergistic function is obvious, and the disease that multiple disease fungus is caused especially gray mold, stalk break, core maize ear rot, southern blight, the Leucoplakia etc. such as fruit tree (peach, oranges and tangerines etc.), climbing plant (grape), vegetable category (tomato, cucumber, eggplant, custard squash, cauliflower, garlic, leek, onion, strawberry, capsicum, Kidney bean, pea, broad bean), economic crops (soybean, peanut, rape, sunflower) has good preventive and therapeutic effect.
Fungicidal composition of the present invention is particularly suitable for preventing and treating following plants disease: peach-pit maize ear rot, stem rot of cucumber, watermelon stalk break, pea stalk break, broad bean stalk break, soybean sclerotinia crown rot, peanut stalk break, sclerotinia rot of colza, sclerotium blight of sunflower, bean sclerotinia rot, grape grey mould, graw mold of tomato, gray mold of cucumber, grey mould of egg plant, custard squash gray mold, cauliflower gray mold, garlic gray mold, leek gray mold, onion gray mold, grey mould fruit rot of strawberry, Botrytis cinerea, the sick southern blight of oranges and tangerines, mulberry southern blight, Chinese cabbage Leucoplakia, wild cabbage Leucoplakia, rape Leucoplakia etc.
According to the occurrence degree of corps diseases, in proportion of crop planting region, the working concentration of the present composition is 5-1500mg/L (active constituent content, lower same), preferably 50-500mg/L.
The present composition can be made into and contains 0.1-95%(weight) preparation of active component, preferably contain 5-80%(weight) preparation of active component.These preparations comprise liquid preparation and solid pharmaceutical preparation, as common formulations of pesticide such as dispersible agent (DC), missible oil (EC), aqueous emulsion (EW), suspending agent (SC), water dispersible granules (WG), wetting powders (WP).
Above-mentioned various preparation all can be prepared in a known manner.For example active component is mixed and prepared with solvent and/or carrier, if desired can add auxiliary agent and the surfactants such as emulsifier, dispersant, wetting agent.
Suitable solvent or auxiliary agent are mainly water, benzene, dimethylbenzene, toluene, alkylbenzene, aliphatic hydrocarbon, alcohols, ester class, ketone, also have vegetable oil and the molten fiber of methyl.Meanwhile, the mixture of different liquids is also suitable for.
Suitable surfactant is alkali metal salt, alkali salt and ammonium salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, aliphatic alcohol sulfate of lignin sulfonic acid, naphthalene sulfonic acids, phenolsulfonic acid, dibutyl naphthalene sulfonic acids etc.
Suitable wetting agent is sldium lauryl sulfate, lauryl sodium sulfate, dodecyl sodium sulfate, sodium alkyl benzene sulfonate, Negel, sorbitan fatty acid ester polyoxyethylene ether etc.
The example of preparing of part preparation is listed below, and wherein said active component is pyrrole metsulfovax A and the oxazole series bactericidal agent B in Fungicidal composition of the present invention, and the suitable proportion between A, two kinds of active components of B as previously mentioned.
Suspending agent (SC)
In the ball mill stirring, 20 parts of active components are pulverized and added dispersant, wetting agent and water or organic solvent, obtain active component water in small, broken bits (oil) suspending agent.Dilute with water obtains suspension, for cauline leaf spraying or soil pouring.
Water dispersible granules (WG)
By 50 parts of active component grindings in small, broken bits and add dispersant and wetting agent, by extruder, spray tower, fluid bed, make water dispersible or water-soluble granular formulation.Dilute with water obtains dispersion or solution, for cauline leaf spraying or soil pouring.
Wetting powder (WP)
75 parts of active components in rotor-stator grinding machine for grinding and add dispersant, wetting agent and silica gel, are made to powder preparation.Dilute with water obtains dispersion or solution, for cauline leaf spraying or soil pouring.
The present invention has advantages of: Fungicidal composition of the present invention has good synergistic function, obviously improves the control efficiency to corps diseases.The present invention is used in combination the bactericide with the different mechanisms of action, so not only expands the fungicidal spectrum of medicament, and can delay the drug-fast generation of pathogen, extends the service life of medicament.In agricultural production, the suitable proportion that two kinds of bactericide are proposed according to the present invention is used together, also can reach the effect of saving of work and time.
Embodiment
The present composition can be described further by the following example the synergistic function of harmful fungoid, but the present invention only limits to absolutely not this.Wherein said active component is bactericide pyrrole metsulfovax A and the oxazole series bactericidal agent B in Fungicidal composition of the present invention.
Method of testing and evaluation method are as follows:
Active sample to be measured is respectively, pyrrole metsulfovax A, SYP-Zo48 B1, vinclozolin B2, myclozolin B3, chlozolinate B4, pyrrole metsulfovax A and SYP-Zo48 B1, pyrrole metsulfovax A and vinclozolin B2, pyrrole metsulfovax A and second myclozolin B3 and pyrrole metsulfovax A and chlozolinate B4;
Concrete mode:
By acetone solution for active sample (volume ratio of amounts of acetone and spouting liquid is equal to or less than 0.05), the water dilution with containing 0.1% Tween 80, is mixed with desired concn liquid to be measured, separately by the liquid to be measured of preset proportion compositions formulated.On crops sprayer, liquid to be measured is sprayed on disease host plant, after 24 hours, carry out disease inoculation.According to disease feature, will after the disease plant inoculating that need temperature control moisturizing to cultivate, be placed in climatic chamber and cultivate.After contrasting abundant morbidity, measure pathogen and infect Crop leaf area percentage, use Abbot formula to calculate, obtain observing effect (W):
W=（1-α/β）×100
In formula:
α: the fungal infection percentage of processing crop;
β: the fungal infection percentage of untreated (blank) crop;
Effect is identical with the level that infects of untreated control crop for " 0 " represents to process the level that infects of crop; Effect is infected for " 100 " represent to process crop.
The expection effect of composition (calculating effect) use Colby formula (see R.S.Colby, weeds (Weeds), 1967,15,20-22) determine, and with observe effect comparison.
E=X+Y?XY/100
In formula:
E: expection effect when working concentration is the active component A of a and b and the composition of B (the calculating effect in following table), represents with the % of untreated control;
X: the effect of active component A when working concentration is a, represents with the % of untreated control;
Y: the effect of active component B when working concentration is b, represents with the % of untreated control.
When observation effect value is greater than calculating effect value, represent that composition has synergistic effect; When observation effect value equals to calculate effect value, expression composition is adduction; When observation effect value is less than calculating effect value, expression composition is antagonism.
Embodiment 1 control gray mold of cucumber test
The potted plant two leaf phase cucumber seedlings that by kind are " the close thorn in Shandong " are processed with the aqueous solution (concentration the is as described below) spraying of active component, after 24 hours, gray mold of cucumber spore suspension is seeded on cucumber leaves, then the climatic chamber that to be placed in temperature and to be 18 ± 1 ℃ and relative moisture be 90 ± 5% is cultivated, and within 3 days, measures afterwards the development degree of infection process on blade.The activity data of the active component that each is independent and present composition gray mold of cucumber the results are shown in Table 1 and table 2.
Result demonstration, the observation effect value of composition is all greater than calculates effect value, and composition shows as synergistic effect in test ratio range.
Table 1 is the activity of active component separately
The activity of table 2 present composition
Embodiment 2 control bean sclerotinia rot tests
This test adopts containing toxic medium method, presses design concentration, and sample is joined in the PDA medium having melted, and makes toxic flat board, then inoculates bean sclerotinia rot bacterium, and is placed in 24 ± 1 ℃ of cultivations of constant incubator.After 3 days, measure colony diameter, with following formula, calculate bacteriostasis rate, obtain observing effect.The analysis of composition interaction adopts foregoing Colby formula.The activity data of the active component that each is independent and present composition bean sclerotinia rot the results are shown in Table 3 and table 4.
Result demonstration, the observation effect value of composition is all greater than calculates effect value, and composition shows as synergistic effect in test ratio range.
Table 3 is the activity of active component separately
The activity of table 4 present composition
Embodiment 3 control rape Leucoplakia tests
This test adopts containing toxic medium method, presses design concentration, and sample is joined in the PDA medium having melted, and makes toxic flat board, then inoculates rape hickie germ, and is placed in 25 ± 1 ℃ of cultivations of constant incubator.After 3 days, measure colony diameter, with following formula, calculate bacteriostasis rate, obtain observing effect.The analysis of composition interaction adopts foregoing Colby formula.The active component that each is independent and the leukodermal activity data of present composition rape the results are shown in Table 5 and table 6.
Result demonstration, the observation effect value of composition is all greater than calculates effect value, and composition shows as synergistic effect in test ratio range.
Table 5 is the activity of active component separately
The activity of table 6 present composition
Embodiment 4 prevents and treats peach brown rot test
This test adopts spore germination method, presses design concentration, gets high concentration liquid and mixes with spore suspension, obtains medicament--spore suspension, and add in 96 well culture plates, be then placed in incubator and cultivate (21 ℃ ± 1 ℃), after 4h, investigate.According to following formula, obtain the inhibition of germination of composition and each independent active component.The analysis of composition interaction adopts foregoing Colby formula.The activity data of each independent active component and present composition control peach-pit maize ear rot the results are shown in Table 7 and table 8.
Result demonstration, the observation effect value of composition is all greater than calculates effect value, and composition shows as synergistic effect in test ratio range.
Table 7 is the activity of active component separately
The activity of table 8 present composition
Claims (9)
1. a Fungicidal composition, is characterized in that: composition is A, two kinds of active components of B, and wherein, the weight ratio between component A and B component two components is 1:100-100:1;
Component A is selected from bactericide pyrrole metsulfovax (Penthiopyrad);
B component is selected from oxazole series bactericidal agent.
2. Fungicidal composition according to claim 1, is characterized in that: described oxazole series bactericidal agent is selected from SYP-Zo48 B1, vinclozolin B2, myclozolin B3 or chlozolinate B4.
3. Fungicidal composition according to claim 1 and 2, is characterized in that: the weight ratio between described component A and B component two components is 1:50-50:1; Active component A is selected from bactericide pyrrole metsulfovax; Active component B is selected from SYP-Zo48 B1 or vinclozolin B2.
4. Fungicidal composition according to claim 3, is characterized in that: the weight ratio between described component A and B component two components is 1:20-20:1; Active component A is selected from bactericide pyrrole metsulfovax; Active component B is selected from SYP-Zo48 B1.
5. an application for Fungicidal composition claimed in claim 1, is characterized in that: described Fungicidal composition is used for preventing and treating plant pathogenic fungi disease.
6. the application of Fungicidal composition according to claim 5, is characterized in that: described Fungicidal composition is as active ingredient, and the weight percentage of Fungicidal composition is 0.1-95%.
7. an application for Fungicidal composition according to claim 1, is characterized in that: described Fungicidal composition is for the preparation of the medicine of control plant pathogenic fungi disease.
8. the application of Fungicidal composition according to claim 7, is characterized in that: described composition is mixed with dispersible agent, missible oil, aqueous emulsion, suspending agent, water dispersible granules or wetting powder.
9. the application of Fungicidal composition according to claim 7, is characterized in that: described plant pathogenic fungi disease is plant botrytis, stalk break, core maize ear rot, southern blight or Leucoplakia.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105454251A (en) * | 2014-09-12 | 2016-04-06 | 沈阳中化农药化工研发有限公司 | Fungicidal composition and uses thereof |
| CN106135232A (en) * | 2015-04-13 | 2016-11-23 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
| CN106889078A (en) * | 2015-12-18 | 2017-06-27 | 沈阳中化农药化工研发有限公司 | A kind of Fungicidal composition of double activated component and its application |
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| CN101106903A (en) * | 2005-02-04 | 2008-01-16 | 三井化学株式会社 | Plant pathogen control composition and method |
| EP2084965A1 (en) * | 2005-09-29 | 2009-08-05 | Syngenta Participations AG | Fungicidal compositions |
| CN101541174A (en) * | 2006-11-21 | 2009-09-23 | 三井化学株式会社 | Plant disease control composition and method for the prevention and control of plant diseases |
| CN103704220A (en) * | 2012-09-28 | 2014-04-09 | 深圳诺普信农化股份有限公司 | Compound antibacterial composition containing penthiopyrad |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101106903A (en) * | 2005-02-04 | 2008-01-16 | 三井化学株式会社 | Plant pathogen control composition and method |
| EP2084965A1 (en) * | 2005-09-29 | 2009-08-05 | Syngenta Participations AG | Fungicidal compositions |
| CN101541174A (en) * | 2006-11-21 | 2009-09-23 | 三井化学株式会社 | Plant disease control composition and method for the prevention and control of plant diseases |
| CN103704220A (en) * | 2012-09-28 | 2014-04-09 | 深圳诺普信农化股份有限公司 | Compound antibacterial composition containing penthiopyrad |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105454251A (en) * | 2014-09-12 | 2016-04-06 | 沈阳中化农药化工研发有限公司 | Fungicidal composition and uses thereof |
| CN105454251B (en) * | 2014-09-12 | 2018-07-03 | 沈阳中化农药化工研发有限公司 | A kind of Fungicidal composition and application thereof |
| CN106135232A (en) * | 2015-04-13 | 2016-11-23 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
| CN106135232B (en) * | 2015-04-13 | 2018-06-12 | 深圳诺普信农化股份有限公司 | bactericidal composition |
| CN106889078A (en) * | 2015-12-18 | 2017-06-27 | 沈阳中化农药化工研发有限公司 | A kind of Fungicidal composition of double activated component and its application |
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Effective date of registration: 20160203 Address after: 110021 Liaodong Road, Tiexi District, Liaoning, No. 8-1, No. Patentee after: SHENYANG SINOCHEM PESTICIDE CHEMICAL RESEARCH AND DEVELOPMENT CO., LTD. Address before: 100031 Beijing, Xicheng District, the door of the revitalization of the main street, No. 28 Patentee before: Sinochem Corporation Patentee before: Shenyang Research Institute of Chemical Industry |