CN103828820A - Bactericidal composition containing oligosaccharide and fluoxastrobin - Google Patents
Bactericidal composition containing oligosaccharide and fluoxastrobin Download PDFInfo
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- CN103828820A CN103828820A CN201410068020.2A CN201410068020A CN103828820A CN 103828820 A CN103828820 A CN 103828820A CN 201410068020 A CN201410068020 A CN 201410068020A CN 103828820 A CN103828820 A CN 103828820A
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- composition
- oligosaccharides
- fluoxastrobin
- bactericidal composition
- wheat
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- 239000000203 mixture Substances 0.000 title claims abstract description 59
- 229920001542 oligosaccharide Polymers 0.000 title claims abstract description 33
- 239000005784 Fluoxastrobin Substances 0.000 title claims abstract description 27
- UFEODZBUAFNAEU-NLRVBDNBSA-N fluoxastrobin Chemical compound C=1C=CC=C(OC=2C(=C(OC=3C(=CC=CC=3)Cl)N=CN=2)F)C=1C(=N/OC)\C1=NOCCO1 UFEODZBUAFNAEU-NLRVBDNBSA-N 0.000 title claims abstract description 27
- 150000002482 oligosaccharides Chemical class 0.000 title claims abstract description 26
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 18
- 241000209140 Triticum Species 0.000 claims description 18
- 235000021307 Triticum Nutrition 0.000 claims description 18
- 206010039509 Scab Diseases 0.000 claims description 12
- 241000233679 Peronosporaceae Species 0.000 claims description 11
- 201000010099 disease Diseases 0.000 claims description 11
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 11
- 240000008067 Cucumis sativus Species 0.000 claims description 10
- 241000221785 Erysiphales Species 0.000 claims description 10
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 claims description 9
- -1 sodium alginate oligosaccharides Chemical class 0.000 claims description 9
- 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 claims description 7
- 235000010413 sodium alginate Nutrition 0.000 claims description 7
- 229940005550 sodium alginate Drugs 0.000 claims description 7
- 239000000661 sodium alginate Substances 0.000 claims description 7
- 229920001277 pectin Polymers 0.000 claims description 6
- 240000007594 Oryza sativa Species 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 241001530056 Athelia rolfsii Species 0.000 claims description 2
- 235000002566 Capsicum Nutrition 0.000 claims description 2
- 240000008574 Capsicum frutescens Species 0.000 claims description 2
- 241000233652 Chytridiomycota Species 0.000 claims description 2
- 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
- 241000233866 Fungi 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
- 241000582441 Peronospora tabacina Species 0.000 claims description 2
- 241000220324 Pyrus Species 0.000 claims description 2
- 235000009754 Vitis X bourquina Nutrition 0.000 claims description 2
- 235000012333 Vitis X labruscana Nutrition 0.000 claims description 2
- 240000006365 Vitis vinifera Species 0.000 claims description 2
- 235000014787 Vitis vinifera Nutrition 0.000 claims description 2
- 241000607479 Yersinia pestis Species 0.000 claims description 2
- 239000001390 capsicum minimum Substances 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 239000004530 micro-emulsion Substances 0.000 claims description 2
- 235000021017 pears Nutrition 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000005507 spraying Methods 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
- 230000000694 effects Effects 0.000 abstract description 16
- 208000031888 Mycoses Diseases 0.000 abstract description 3
- 239000000575 pesticide Substances 0.000 abstract description 3
- 230000001934 delay Effects 0.000 abstract description 2
- 244000052616 bacterial pathogen Species 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000006806 disease prevention Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 230000003449 preventive effect Effects 0.000 description 21
- 241000196324 Embryophyta Species 0.000 description 14
- 239000003814 drug Substances 0.000 description 13
- 239000007921 spray Substances 0.000 description 8
- 238000011160 research Methods 0.000 description 6
- 230000002195 synergetic effect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 244000052769 pathogen Species 0.000 description 4
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- 150000001875 compounds Chemical class 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
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- 230000007123 defense Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000010534 mechanism of action Effects 0.000 description 2
- 230000002438 mitochondrial effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 230000004763 spore germination Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 102100025287 Cytochrome b Human genes 0.000 description 1
- 102000019265 Cytochrome c1 Human genes 0.000 description 1
- 108010075028 Cytochromes b Proteins 0.000 description 1
- 108010007528 Cytochromes c1 Proteins 0.000 description 1
- 206010017533 Fungal infection Diseases 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 238000004090 dissolution Methods 0.000 description 1
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- 230000001939 inductive effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
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- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
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- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a bactericidal composition containing oligosaccharide and fluoxastrobin and belongs to the field of plant protection. The mass fraction ratio of oligosaccharide to fluoxastrobin 20:1-1:20. The invention also provides application of the bactericidal composition to prevention and control of various fungus diseases of crops. The bactericidal composition has remarkable synergism in a certain proportioning range, improves the disease prevention effect and delays formation of pesticide resistance of pathogenic bacteria.
Description
Technical field
The invention belongs to plant protection field, be specifically related to the bactericidal composition of a kind of oligosaccharides and fluoxastrobin, composition is for preventing and treating the multiple diseases such as powdery mildew, downy mildew, smut, rust of plant.
Background technology
Come from the compound that organism and biodegradability are good and caused pesticide research person's very big interest.In these compounds, have no side effect, the oligosaccharides of easily biological-degradable has very large potentiality, becomes the new medicament of controlling disease.Oligosaccharides is as the important plant inducing anti-disease agent of a class, derive from the research of the oligosaccharide of plant, research shows, oligosaccharides resist pathogen corrode process in, can induction excite plant to produce a series of defense reaction, these defense reaction synergies stop propagation and the invasion of pathogen, reach the effect of preventing and curing diseases.Meanwhile, oligosaccharides is also the plant hormone that a class is new, has the effects such as regulation and control growth and development of plants, and it can send the information that regulates specified plant function, and these functions comprise growth promotion, cold-resistant, drought resisting etc.
The mechanism of action of fluoxastrobin is also mitochondrial respiratory inhibitor, is shifted and is suppressed mitochondrial breathing by electronics between cytochrome b and C1.Fluoxastrobin application optimum period, is wide, no matter early stage as spore germination, germ tube growth and intrusion leaf portion at fungal infection, or can provide extraordinary protection and therapeutic action at growth period of hypha; But infect the most effective to spore germination and initial stage.Because of the excellent systemic activity having, it can be rapidly absorbed, and can transmit to top equably in leaf portion, therefore have the resistance of rainwater washing against ability that root is good.For this medicament of Reasonable Protection, delay germ to the drug-fast generation of new medicament and improve the control efficiency of medicament, be necessary to carry out rational composition research.Also there is no at present the report about oligosaccharides and fluoxastrobin composition research.Inventor, by the research of the composite effect to bactericidal composition, has found some beyond thought effects.
Summary of the invention
The bactericidal composition that the object of the present invention is to provide a kind of oligosaccharides and fluoxastrobin, the object of the invention is to realize by following measures.
The invention provides a kind of containing oligosaccharides and fluoxastrobin bactericidal composition, in bactericidal composition, oligosaccharides is selected from least one in chitosan oligosaccharide, pectic oligosaccharides, sodium alginate oligosaccharides, the ratio of quality and the number of copies of oligosaccharides and fluoxastrobin two components is 20:1-1:20, preferably, ratio of quality and the number of copies is 1:10-10:1.
In above-mentioned bactericidal composition, the quality sum of oligosaccharides and fluoxastrobin two components accounts for the 1-80% of bactericidal composition gross mass percentage.
Above-mentioned composition of the present invention can be made into suspending agent, wetting powder, water dispersible granules, aqua, microemulsion, aqueous emulsion, for spraying, filling root, seed dressing etc.
The present invention also provides above-mentioned composition for preventing and treating the purposes of crop pest, the disease of suitable control has the fungus-caused powdery mildew of Ascomycotina, leaf spot etc., the fungus-caused downy mildew of Mastigomycotina, epidemic disease, peronospora tabacina etc., smut, banded sclerotial blight etc. that Basidiomycotina causes, the fungus-caused rice blast of Fungi Imperfecti, scab etc.Therefore, the present invention also comprises the purposes of various agricultural fungal diseases on above-mentioned composition control crop.
The present invention also finds, above-mentioned bactericidal composition, in the situation that active component uses total amount to reduce separately, has good control efficiency to wheat powdery mildew, cucumber downy mildew, wheat smut, and synergistic effect is obvious.
In the purposes of above-mentioned composition of the present invention, described crop is wheat, cucumber, paddy rice, capsicum, watermelon, apple, grape, oranges and tangerines, pears, lichee, flowers, lawn etc.
Beneficial effect of the present invention is:
1, synergistic effect is obvious: composition shows good synergistic effect in certain ratio range, has improved the protection effect of composition.
2, reduce use cost: because compositely thering is the preventive effect of raising, control spectrum increases, and has reduced access times, has reduced use cost;
3, delay pesticide resistance: the composition of two kinds of different mechanism of action is composite, pathogen is difficult for developing immunity to drugs, and delays pathogen to the drug-fast generation of medicament.
Embodiment
Following examples are to further illustrate of the present invention, but the present invention is not limited to composition ratio and purposes in present embodiment.
The effect of the composition of embodiment 1 chitosan oligosaccharide and fluoxastrobin to wheat powdery mildew
Be mixed into compost with sterilizing is native with sterilizing river sand, after fully mixing, after fully mixing thoroughly, add clear water to make water content 30%, then mix the rear basin alms bowl that quantitatively packs into thoroughly.10 of basin alms bowl sowing wheat seeds, the management of normally watering after seed sprouting, after the expansion of seedling true leaf 1 week, on the quantitative blade of every alms bowl, inoculate quantitative powdery mildew, move in observation ward and unified moisturizing cultivation, 7d " Invest, Then Investigate " disease refers to and sprays medicine, 14d continuation spray medicine 1 time after medicine.20d " Invest, Then Investigate " disease refers to that the total number of sheets of record investigation, the sick number of sheets, according to following stage division calculating disease index and preventive effect, the results are shown in Table 3.
Blade grade scale:
0 grade: anosis
1 grade: the connected area of scab accounts for below 1% of whole leaf area;
3 grades: the connected area of scab accounts for the 1%-5% of whole leaf area;
5 grades: the connected area of scab accounts for the 6%-25% of whole leaf area;
7 grades: the connected area of scab accounts for the 26%-50% of whole leaf area;
9 grades: the connected area of scab accounts for the more than 51% of whole leaf area;
Theoretical preventive effect (%)=x+y-xy
X is the preventive effect of the active component A of working concentration while being a, and y is the preventive effect of the active component B of working concentration while being b.Relatively theoretical effect and actual effect, evaluates the synergy of composition, while being greater than theoretical preventive effect take actual preventive effect as synergistic effect.The results are shown in Table 1.
The control efficiency of the composition of table 1 chitosan oligosaccharide and fluoxastrobin to wheat powdery mildew
By potted plant spray test, as seen from Table 1, in the time that composition proportioning is 10:1-1:10, the composition of chitosan oligosaccharide+fluoxastrobin to the actual effect of wheat powdery mildew all higher than the theoretical preventive effect of composition.Obviously, the composition of chitosan oligosaccharide and fluoxastrobin is synergy to wheat powdery mildew.
The control efficiency of the composition of embodiment 2 pectic oligosaccharides and fluoxastrobin to cucumber downy mildew
Single compound or composition are prepared into the mother liquor of 1000mg/L with organic solvent dissolution.According to biological activity determination trial test, a certain amount of above-mentioned mother liquor is diluted with 0.1% Tween 80, be mixed with the concentration needing.When test, cucumber plant, substantially in 4 leaf phases, is investigated downy mildew incidence before the 1st medicine.Carried out cucumber downy mildew pot experiment with chitosan oligosaccharide composition, and established corresponding single dose and blank, adopted 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 the 2nd dispenser, whole blades are investigated in every strain, and the total number of sheets of record investigation, the sick number of sheets, calculate disease index and preventive effect according to following stage division.
Blade staging:
0 grade: anosis
1 grade: the connected area of scab accounts for below 1% of whole leaf area;
3 grades: the connected area of scab accounts for the 1%-10% of whole leaf area;
5 grades: the connected area of scab accounts for the 11%-20% of whole leaf area;
7 grades: the connected area of scab accounts for the 21%-50% of whole leaf area;
9 grades: the connected area of scab accounts for the more than 51% of whole leaf area;
Theoretical preventive effect (%)=x+y-xy
X is the preventive effect of the active component A of working concentration while being a, and y is the preventive effect of the active component B of working concentration while being b.Relatively theoretical effect and actual effect, evaluates the synergy of composition, while being greater than theoretical preventive effect take actual preventive effect as synergistic effect.The results are shown in Table 2.
The control efficiency of the composition of table 2 pectic oligosaccharides and fluoxastrobin to cucumber downy mildew
By potted plant spray test, as seen from Table 2, in the time that composition proportioning is 10:1-1:10, the composition of pectic oligosaccharides+fluoxastrobin to the effect of cucumber downy mildew all higher than the theoretical preventive effect of composition.Obviously, the composition of pectic oligosaccharides and fluoxastrobin is synergy to cucumber downy mildew.
The composition of embodiment 3 sodium alginate oligosaccharides and fluoxastrobin is to wheat smut field effect
Carried out wheat smut field trial with composition, and established corresponding single dose and blank, every medicament is established community 20m
2.5-40 gram of (active ingredient) seed dressing of every double centner seed medication, in wheat milk ripe stage or maturing stage, every community adopts 5 samplings of diagonal, gets 0.5m at every
2investigate total strain number and dust-brand diseased plant number, calculate diseased plant rate.
CK---blank district diseased plant rate;
PT---chemicals treatment district diseased plant rate;
Theoretical preventive effect (%)=x+y-xy
X is the preventive effect of the active component A of working concentration while being a, and y is the preventive effect of the active component B of working concentration while being b.Relatively theoretical effect and actual effect, evaluates the synergy of composition, while being greater than theoretical preventive effect take actual preventive effect as synergistic effect.The bactericidal composition that contains sodium alginate oligosaccharides the results are shown in Table 3 to the control efficiency of wheat smut.
The bactericidal composition that table 3 contains sodium alginate oligosaccharides and fluoxastrobin is to wheat smut field effect
Test by potted plant seed dressing, as seen from Table 3, in the time that composition proportioning is 20:1-1:5, the composition of sodium alginate oligosaccharides+fluoxastrobin to the effect of wheat smut all higher than the theoretical preventive effect of composition.Obviously, the composition of sodium alginate oligosaccharides and fluoxastrobin is synergy to wheat smut.
Claims (7)
1. containing the bactericidal composition of oligosaccharides and fluoxastrobin, in bactericidal composition, oligosaccharides is selected from least one in chitosan oligosaccharide, pectic oligosaccharides, sodium alginate oligosaccharides, and the ratio of quality and the number of copies of oligosaccharides and fluoxastrobin two components is 20:1-1:20.
2. composition according to claim 1, is characterized in that ratio of quality and the number of copies is 10:1-1:10.
3. according to the composition described in claim 1-2 any one, it is characterized in that the quality sum of oligosaccharides and fluoxastrobin two components accounts for the 1-80% of bactericidal composition gross mass percentage.
4. composition according to claim 3, is characterized in that composition makes suspending agent, wetting powder, water dispersible granules, aqua, microemulsion, aqueous emulsion, for spraying, fill with root, seed dressing.
5. composition according to claim 4 is for preventing and treating the purposes of crop pest, it is characterized in that preventing and treating the fungus-caused powdery mildew of Ascomycotina, leaf spot etc., the fungus-caused downy mildew of Mastigomycotina, epidemic disease, peronospora tabacina etc., smut, banded sclerotial blight etc. that Basidiomycotina causes, the fungus-caused scab of Fungi Imperfecti.
6. according to the purposes of claim 5, it is characterized in that described crop is wheat, cucumber, paddy rice, capsicum, watermelon, apple, grape, oranges and tangerines, pears, lichee, flowers, lawn.
7. according to the purposes of claim 6, it is characterized in that composition is for preventing and treating wheat powdery mildew, cucumber downy mildew, wheat smut.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105994303A (en) * | 2016-08-12 | 2016-10-12 | 李祥英 | Bactericidal composition containing fluoxastrobin and chitosan |
| CN106818789A (en) * | 2016-12-09 | 2017-06-13 | 广州后稷生物科技有限公司 | A kind of composition pesticide and its aqueous suspension agent for preventing and treating banana Panama disease |
| CN107114381A (en) * | 2017-05-15 | 2017-09-01 | 杨新兰 | A kind of bactericidal composition containing platycodon root polysaccharide and fluoxastrobin |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006040123A2 (en) * | 2004-10-12 | 2006-04-20 | Bayer Cropscience Ag | Fungicidal active ingredient combinations containing fluoxastrobin |
| 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 |
-
2014
- 2014-02-27 CN CN201410068020.2A patent/CN103828820B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006040123A2 (en) * | 2004-10-12 | 2006-04-20 | Bayer Cropscience Ag | Fungicidal active ingredient combinations containing fluoxastrobin |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105994303A (en) * | 2016-08-12 | 2016-10-12 | 李祥英 | Bactericidal composition containing fluoxastrobin and chitosan |
| CN105994303B (en) * | 2016-08-12 | 2019-01-18 | 李祥英 | A kind of bactericidal composition containing fluoxastrobin and chitosan |
| CN106818789A (en) * | 2016-12-09 | 2017-06-13 | 广州后稷生物科技有限公司 | A kind of composition pesticide and its aqueous suspension agent for preventing and treating banana Panama disease |
| CN107114381A (en) * | 2017-05-15 | 2017-09-01 | 杨新兰 | A kind of bactericidal composition containing platycodon root polysaccharide and fluoxastrobin |
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| CN103828820B (en) | 2015-01-21 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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. |