CN103875669B - Bactericidal composition containing cyflufenamid and chitosan oligosaccharide - Google Patents
Bactericidal composition containing cyflufenamid and chitosan oligosaccharide Download PDFInfo
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- CN103875669B CN103875669B CN201410119148.7A CN201410119148A CN103875669B CN 103875669 B CN103875669 B CN 103875669B CN 201410119148 A CN201410119148 A CN 201410119148A CN 103875669 B CN103875669 B CN 103875669B
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- 239000000203 mixture Substances 0.000 title claims abstract description 69
- 239000005755 Cyflufenamid Substances 0.000 title claims abstract description 35
- ACMXQHFNODYQAT-UHFFFAOYSA-N cyflufenamid Chemical compound FC1=CC=C(C(F)(F)F)C(C(NOCC2CC2)=NC(=O)CC=2C=CC=CC=2)=C1F ACMXQHFNODYQAT-UHFFFAOYSA-N 0.000 title claims abstract description 35
- RQFQJYYMBWVMQG-IXDPLRRUSA-N chitotriose Chemical compound O[C@@H]1[C@@H](N)[C@H](O)O[C@H](CO)[C@H]1O[C@H]1[C@H](N)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)N)[C@@H](CO)O1 RQFQJYYMBWVMQG-IXDPLRRUSA-N 0.000 title claims abstract description 19
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 15
- 241000221785 Erysiphales Species 0.000 claims description 23
- 201000010099 disease Diseases 0.000 claims description 21
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 21
- 206010039509 Scab Diseases 0.000 claims description 15
- 241000196324 Embryophyta Species 0.000 claims description 14
- 241000233679 Peronosporaceae Species 0.000 claims description 14
- 241000209140 Triticum Species 0.000 claims description 12
- 235000021307 Triticum Nutrition 0.000 claims description 12
- 240000008067 Cucumis sativus Species 0.000 claims description 11
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 claims description 10
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 10
- 235000009754 Vitis X bourquina Nutrition 0.000 claims description 4
- 235000012333 Vitis X labruscana Nutrition 0.000 claims description 4
- 235000014787 Vitis vinifera Nutrition 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- -1 aqua Substances 0.000 claims description 3
- 244000241235 Citrullus lanatus Species 0.000 claims description 2
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 claims description 2
- 241000675108 Citrus tangerina Species 0.000 claims description 2
- 241000220225 Malus Species 0.000 claims description 2
- 235000011430 Malus pumila Nutrition 0.000 claims description 2
- 235000015103 Malus silvestris Nutrition 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 241000220324 Pyrus Species 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 239000004530 micro-emulsion Substances 0.000 claims description 2
- 235000021017 pears Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000000375 suspending agent Substances 0.000 claims description 2
- 239000004562 water dispersible granule Substances 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 240000006365 Vitis vinifera Species 0.000 claims 1
- 230000002195 synergetic effect Effects 0.000 abstract description 8
- 238000001228 spectrum Methods 0.000 abstract description 5
- 230000002829 reductive effect Effects 0.000 abstract description 2
- 239000004480 active ingredient Substances 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 description 26
- 230000000694 effects Effects 0.000 description 19
- 238000012360 testing method Methods 0.000 description 9
- 239000003814 drug Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 241000510928 Erysiphe necator Species 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 244000052363 Cynodon dactylon Species 0.000 description 3
- 241000219095 Vitis Species 0.000 description 3
- 230000000855 fungicidal effect Effects 0.000 description 3
- 230000035784 germination Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 244000052769 pathogen Species 0.000 description 3
- 230000001717 pathogenic effect Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000004071 biological effect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010534 mechanism of action Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 2
- 229920000053 polysorbate 80 Polymers 0.000 description 2
- UCSJYZPVAKXKNQ-HZYVHMACSA-N streptomycin Chemical compound CN[C@H]1[C@H](O)[C@@H](O)[C@H](CO)O[C@H]1O[C@@H]1[C@](C=O)(O)[C@H](C)O[C@H]1O[C@@H]1[C@@H](NC(N)=N)[C@H](O)[C@@H](NC(N)=N)[C@H](O)[C@H]1O UCSJYZPVAKXKNQ-HZYVHMACSA-N 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- PCCSBWNGDMYFCW-UHFFFAOYSA-N 5-methyl-5-(4-phenoxyphenyl)-3-(phenylamino)-1,3-oxazolidine-2,4-dione Chemical group O=C1C(C)(C=2C=CC(OC=3C=CC=CC=3)=CC=2)OC(=O)N1NC1=CC=CC=C1 PCCSBWNGDMYFCW-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000233652 Chytridiomycota Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000005772 Famoxadone Substances 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000582441 Peronospora tabacina Species 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000004763 spore germination Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229960005322 streptomycin Drugs 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a bactericidal composition containing cyflufenamid and chitosan oligosaccharide. According to the composition, a remarkable synergistic effect can be achieved under the action of a certain dose of active ingredients, the control spectrum can be expanded, and the use cost can be reduced.
Description
The application is the divisional application of " bactericidal composition containing cyflufenamid " application for a patent for invention, original application day: on April 7th, 2013, application number: 2013101166832.
Technical field
The present invention relates to the bactericidal composition containing cyflufenamid, be specifically related to a kind of bactericidal composition containing cyflufenamid, belong to plant protection field, composition is for preventing and treating the powdery mildew, leaf spot, scab, bakanae disease, downy mildew, brown spot etc. of grain reality, cotton, oil plant, fruit tree, vegetables, flowers etc.
Background technology
Cyflufenamid belongs to the new type bactericide of oxime ethers, is a kind of protective fungicide of Japanese Cao Da company exploitation, has excellent effect to the powdery mildew, leaf spot, scab, bakanae disease, downy mildew, brown spot etc. of various plants.Carrying out the research of compounded technology, is carry out synergy research, expanding prevention spectrum, reduce use cost, delay drug-fast effect.Report at present about cyflufenamid and chitosan oligosaccharide does not also have.Inventor, by the large quantity research to the composite effect of cyflufenamid, has found some beyond thought effects.
Summary of the invention
The object of the present invention is to provide the bactericidal composition containing cyflufenamid and chitosan oligosaccharide, it is undertaken composite by the sterilization component of two kinds of different structures, the different mechanism of action, be expanding prevention spectrum and the effective way improving drug effect, the more important thing is and avoid or delay the generation of disease to new composition resistance.For realizing object of the present invention, inventor by cyflufenamid and chitosan oligosaccharide composite, for preventing and treating the disease on crop, lawn.
The object of the invention is to be realized by following measures.
Bactericidal composition containing cyflufenamid and chitosan oligosaccharide, it is characterized in that said composition comprises A and B two kinds of components of enhancing effective amount, A is cyflufenamid, and B is selected from chitosan oligosaccharide.In composition, the ratio of quality and the number of copies of component A and B component is 1:100-20:1.
In composition of the present invention, more preferably technical scheme is: A, B two between component more preferably ratio of quality and the number of copies be 1:40-10:1.
The 1-90% of the quality sum composition gross mass of component A and B component in the present composition.
Above-mentioned composition of the present invention can be made into suspending agent, wetting powder, water dispersible granules, aqua, microemulsion, aqueous emulsion, for spraying, fills with root, seed dressing etc.
The present invention also finds, above-mentioned composition has excellent synergy control efficiency to grape powdery mildew, powdery mildew of cucumber and downy mildew, wheat powdery mildew and leaf spot, turfgrass powdery mildew and brown spot, and synergistic effect is obvious.
Present invention also offers the purposes that above-mentioned composition prevents and treats one or more diseases of one or more plants.The disease of suitable control has, the fungus-caused powdery mildew of Ascomycotina, anthracnose, leaf spot etc., the fungus-caused downy mildew of Mastigomycotina, late blight, peronospora tabacina etc., the rust that Basidiomycotina causes, smut etc., the fungus-caused bakanae disease of Fungi Imperfecti, scab etc.
In such use, the plant of controlling disease is wheat, cucumber, grape, watermelon, apple, grape, oranges and tangerines, pears, lichee, paddy rice, flowers, lawn etc.
The present composition is preferably powdery mildew, downy mildew, leaf spot, scab, rust or bakanae disease for the plant disease of preventing and treating.
Beneficial effect of the present invention is:
1, synergistic effect is obvious: composition shows good synergistic effect in certain ratio range, improves the protection effect of composition.
2, expanding prevention spectrum: composition can multiple diseases on plant.
3, use cost is reduced: because of composite, there is raising preventive effect, the increase of control spectrum, decrease access times, reduce use cost;
4, delay pesticide resistance: the composition of two kinds of different mechanism of action is composite, and pathogen not easily develops immunity to drugs, delay pathogen to the drug-fast generation of single dose.
Embodiment
Following examples further illustrate of the present invention, but the present invention is not confined to composition in present embodiment and purposes.
The composition of embodiment 1 cyflufenamid and chitosan oligosaccharide is to the room effect of grape powdery mildew
Adopt spore germination method, with trial test concentration for reference, respectively by former for single dose A and single dose B medicinal suitable solvent dilution.Get it filled agent 10 μ L point on slide, dry to make medicine film under dust-proof condition.Infection white powder grape is cut, with the mould layer of white powder shape under writing brush type brush, adds the spore suspension that sterile water makes debita spissitudo.10 μ L spore suspensions are added drop-wise on medicine film.After 16h is cultivated in moisturizing at 20 DEG C, check the sprouting situation of spore.After the germination rate of blank reaches about 80%, check the germination rate of all process.Being greater than spore short radius person for sprouting with spore germ tube length, being calculated as follows Inhibiting germination rate.
The preventive effect of the active component A that x is working concentration when being a, the preventive effect of the active component B that y is working concentration when being b.Relatively theoretical effect and actual effect, evaluates the synergy of composition, for synergistic effect when being greater than theoretical preventive effect with actual preventive effect.The results are shown in Table 1.
The composition of table 1 cyflufenamid and chitosan oligosaccharide is to the effect of the former bacterium of grape powdery mildew
By potted plant test, as seen from Table 1, cyflufenamid and chitosan oligosaccharide composition to the effect of grape powdery mildew higher than composition theoretical preventive effect.Obviously, cyflufenamid and the composite of above-mentioned Fungicidal compounds are synergy to grape powdery mildew.
The composition of embodiment 2 cyflufenamid and chitosan oligosaccharide is to the control efficiency of powdery mildew of cucumber
Single compound or composition organic solvent dissolution are prepared into the mother liquor of 1000mg/L.According to biological activity determination trial test, a certain amount of above-mentioned mother liquor 0.1% Tween 80 is diluted, is mixed with the concentration of needs.During test, cucumber plant, substantially in 4 leaf phases, investigates powdery mildew incidence before the 1st medicine.Carried out the sick pot experiment of powdery mildew of cucumber with cyflufenamid composition, and established corresponding single dose and blank, adopt the conventional conventional spray of manual sprayer, every medicament sprays 10 strains, and the 7-10d after 1 time that sprays sprays 1 time again.10-14d investigation after 2nd dispenser, whole blade is investigated in every strain, and record investigation total number of sheets, the sick number of sheets, calculate disease index and preventive effect according to following stage division.
Blade staging:
0 grade: anosis
1 grade: the scab area that is connected accounts for less than 1% of whole leaf area;
3 grades: the scab area that is connected accounts for the 1%-10% of whole leaf area;
5 grades: the scab area that is connected accounts for the 11%-20% of whole leaf area;
7 grades: the scab area that is connected accounts for the 21%-50% of whole leaf area;
9 grades: the scab area that is connected accounts for more than 51% of whole leaf area;
The preventive effect of the active component A that x is working concentration when being a, the preventive effect of the active component B that y is working concentration when being b.Relatively theoretical effect and actual effect, evaluates the synergy of composition, for synergistic effect when being greater than theoretical preventive effect with actual preventive effect.The results are shown in Table 2.
The composition of table 2 cyflufenamid and chitosan oligosaccharide is to the control efficiency of powdery mildew of cucumber, downy mildew
Note: in table 2 in last row " downy mildew ", the grade scale of disease occurrence degree is: " +++ " expression downy mildew occurs heavier, and it is medium that " ++ " represents that downy mildew occurs, and "+" represents that downy mildew has generation, and "-" expression substantially downy mildew does not occur.
By cyflufenamid composition, the potted plant test of powdery mildew of cucumber is found, the composition of the composition of cyflufenamid and chitosan oligosaccharide, cyflufenamid and streptomycin, cyflufenamid Yu the composition of famoxadone to the effect of cucumber downy mildew all higher than the theoretical preventive effect of correspondent composition.Obviously, the composition of cyflufenamid and above-mentioned Fungicidal compounds is synergy to powdery mildew of cucumber.In addition surprisingly, comparatively single dose is light to the generation of cucumber downy mildew for composition.
The composition of embodiment 3 cyflufenamid and chitosan oligosaccharide is to wheat powdery mildew field trial
Carried out wheat powdery mildew field trial with composition, and established corresponding single dose and blank, community 10m established by every medicament
2.Adopt the conventional conventional spray of knapsack sprayer, test respectively sprays 1 time in booting and flowering initial stage, before medicine and after the 2nd dispenser, 7 ~ 10d investigates, often process is by 5 samplings, often 50 strains, whole blade is investigated in every strain, and record investigation total number of sheets, the sick number of sheets, calculate disease index and preventive effect according to following stage division.
Blade staging:
0 grade: anosis
1 grade: the scab area that is connected accounts for less than 1% of whole leaf area;
3 grades: the scab area that is connected accounts for the 1%-5% of whole leaf area;
5 grades: the scab area that is connected accounts for the 6%-25% of whole leaf area;
7 grades: the scab area that is connected accounts for the 26%-50% of whole leaf area;
9 grades: the scab area that is connected accounts for more than 51% of whole leaf area;
The preventive effect of the active component A that x is working concentration when being a, the preventive effect of the active component B that y is working concentration when being b.Relatively theoretical effect and actual effect, evaluates the synergy of composition, for synergistic effect when being greater than theoretical preventive effect with actual preventive effect.The control efficiency of bactericidal composition containing cyflufenamid to wheat powdery mildew the results are shown in Table 3.
The bactericidal composition of table 3 containing cyflufenamid and chitosan oligosaccharide to become rusty field efficacy to wheat powdery mildew, leaf
Note: in table 3 in last row " wheat leaf rust ", the grade scale of disease occurrence degree is: " ++++" represent that the generation of leaf rust is heavy, " +++ " represents that leaf rust occurs heavier, and " ++ " expression leaf rust occurs medium, it is light that "+" represents that leaf rust occurs, and leaf rust does not occur substantially in "-" expression.
By cyflufenamid composition, wheat powdery mildew test is found, the composition of cyflufenamid and chitosan oligosaccharide to the effect of wheat powdery mildew all higher than the theoretical preventive effect of correspondent composition.Obviously, composition is synergy to wheat powdery mildew.In addition surprisingly, comparatively single dose is light to the generation of wheat leaf rust for composition.
Embodiment 4 cyflufenamid composition is tested Turfgrass Diseases
Single compound or composition organic solvent dissolution are prepared into the mother liquor of 1000mg/L.According to biological activity determination trial test, a certain amount of above-mentioned mother liquor 0.1% Tween 80 is diluted, is mixed with the concentration of needs.During mensuration, first imposed on by liquid medicine jet on potted plant Bermuda grass weeds, then quantitatively inoculate pathogen, moisturizing is placed in greenhouse and cultivates, measure the percentage that plant leaf surface infects after certain hour after cultivating 24h.Use Abbot formula, convert percentage to preventive effect.
The preventive effect of the active component A that x is working concentration when being a, the preventive effect of the active component B that y is working concentration when being b.Relatively theoretical effect and actual effect, evaluates the synergy of composition, for synergistic effect when being greater than theoretical preventive effect with actual preventive effect.The results are shown in Table 4.
Table 4 cyflufenamid composition is to the effect of Turfgrass Diseases
Note: in table 4 in last row " a situation arises for brown spot ", the grade scale of disease occurrence degree is: " ++++" represent that brown spot occurs to weigh, " ++ " expression brown spot occurs medium, and it is light that "+" represents that brown spot occurs, and "-" expression substantially brown spot does not occur.
By potted plant test, as seen from Table 4, cyflufenamid and chitosan oligosaccharide composition to the preventive effect of Bermuda grass powdery mildew all higher than composition theoretical preventive effect.Obviously, complex composition is synergy to Bermuda grass powdery mildew.In addition surprisingly, comparatively single dose is good to the preventive effect of Bermuda grass brown spot for composition.
Claims (6)
1. the bactericidal composition containing cyflufenamid, it is characterized in that said composition comprises A and B two kinds of components of enhancing effective amount, A is cyflufenamid, and B is selected from chitosan oligosaccharide; In said composition, the ratio of quality and the number of copies of component A and B component is 1:60-1:2.
2. according to bactericidal composition according to claim 1, it is characterized in that: the quality sum of component A and B component accounts for the 1-90% of composition gross mass.
3. according to bactericidal composition according to claim 2, it is characterized in that: during said composition application, make suspending agent, wetting powder, water dispersible granules, aqua, microemulsion or aqueous emulsion.
4. the purposes of bactericidal composition according to claim 3, is characterized in that: described composition is for preventing and treating one or more diseases of one or more plants.
5., according to purposes according to claim 4, wherein plant is wheat, cucumber, grape, watermelon, apple, oranges and tangerines, pears, lichee, paddy rice, flowers or lawn.
6. according to purposes according to claim 5, it is characterized in that: disease is powdery mildew, downy mildew, leaf spot, scab, rust or bakanae disease.
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| CN201310116683.2A Division CN103190421B (en) | 2013-04-07 | 2013-04-07 | Cyflufenamid-containing sterilizing composite |
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| CN106577672A (en) * | 2016-12-29 | 2017-04-26 | 湖南泽丰农化有限公司 | Efficient sterilization composition containing cyflufenamid |
| CN107027757A (en) * | 2017-04-17 | 2017-08-11 | 邓付圆 | A kind of bactericidal composition for being used to prevent and treat powdery mildew of cucumber |
| WO2020025592A1 (en) * | 2018-07-31 | 2020-02-06 | Bayer Aktiengesellschaft | Use of a cationic polysaccharide compound as a fungicide, pesticide, algaecide, dessicant and for extending the shelf life of fruits and vegetables |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
Non-Patent Citations (1)
| Title |
|---|
| 杀菌剂环氟菌胺的开发;程志明;《世界农药》;20071231;第29卷(第6期);第3-4页 * |
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Denomination of invention: Bactericidal composition containing cyflufenamid and chitosan oligosaccharide Effective date of registration: 20190617 Granted publication date: 20150520 Pledgee: Bank of Hainan Limited by Share Ltd. Pledgor: HAINAN ZHENGYE ZHONGNONG HIGH TECHNOLOGY Co.,Ltd. Registration number: 2019460000007 |
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Address after: Fuchang Village, Laocheng Development Zone, Chengmai County, Hainan Province, 571923 Patentee after: Hainan Zhengye Biotechnology Co.,Ltd. Address before: 571924 Fuchang village, Laocheng Development Zone, Chengmai County, Hainan Province Patentee before: HAINAN ZHENGYE ZHONGNONG HIGH TECHNOLOGY Co.,Ltd. |
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