CN103828812B - Composition containing oligosaccharides Yu pyridines sterilization component - Google Patents
Composition containing oligosaccharides Yu pyridines sterilization component Download PDFInfo
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- CN103828812B CN103828812B CN201410068019.XA CN201410068019A CN103828812B CN 103828812 B CN103828812 B CN 103828812B CN 201410068019 A CN201410068019 A CN 201410068019A CN 103828812 B CN103828812 B CN 103828812B
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- 239000000203 mixture Substances 0.000 title claims abstract description 69
- 229920001542 oligosaccharide Polymers 0.000 title claims abstract description 45
- 150000002482 oligosaccharides Chemical class 0.000 title claims abstract description 33
- 150000003222 pyridines Chemical class 0.000 title claims abstract description 14
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 14
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 24
- 239000005780 Fluazinam Substances 0.000 claims abstract description 15
- UZCGKGPEKUCDTF-UHFFFAOYSA-N fluazinam Chemical compound [O-][N+](=O)C1=CC(C(F)(F)F)=C(Cl)C([N+]([O-])=O)=C1NC1=NC=C(C(F)(F)F)C=C1Cl UZCGKGPEKUCDTF-UHFFFAOYSA-N 0.000 claims abstract description 15
- -1 sodium alginate oligosaccharide Chemical class 0.000 claims abstract description 14
- 229920001277 pectin Polymers 0.000 claims abstract description 13
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 13
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 13
- 239000000661 sodium alginate Substances 0.000 claims abstract description 13
- 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 abstract description 11
- 230000002195 synergetic effect Effects 0.000 claims abstract description 5
- 201000010099 disease Diseases 0.000 claims description 21
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 21
- 241000196324 Embryophyta Species 0.000 claims description 19
- 241000221785 Erysiphales Species 0.000 claims description 15
- 206010039509 Scab Diseases 0.000 claims description 15
- 241000233679 Peronosporaceae Species 0.000 claims description 13
- 240000008067 Cucumis sativus Species 0.000 claims description 12
- 235000007164 Oryza sativa Nutrition 0.000 claims description 12
- 235000009566 rice Nutrition 0.000 claims description 12
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 claims description 11
- 241000209140 Triticum Species 0.000 claims description 11
- 235000021307 Triticum Nutrition 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 8
- 241001530056 Athelia rolfsii Species 0.000 claims description 3
- 241000207199 Citrus Species 0.000 claims description 3
- 241000220324 Pyrus Species 0.000 claims description 3
- 235000020971 citrus fruits Nutrition 0.000 claims description 3
- 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
- 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
- 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
- 239000001390 capsicum minimum Substances 0.000 claims description 2
- 239000004530 micro-emulsion Substances 0.000 claims description 2
- 235000021017 pears Nutrition 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000000375 suspending agent Substances 0.000 claims description 2
- 239000004563 wettable powder Substances 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims 1
- 239000000839 emulsion Substances 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 12
- 239000005740 Boscalid Substances 0.000 abstract description 10
- WYEMLYFITZORAB-UHFFFAOYSA-N boscalid Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1NC(=O)C1=CC=CN=C1Cl WYEMLYFITZORAB-UHFFFAOYSA-N 0.000 abstract description 10
- 229940118790 boscalid Drugs 0.000 abstract description 10
- CKPCAYZTYMHQEX-NBVRZTHBSA-N (e)-1-(2,4-dichlorophenyl)-n-methoxy-2-pyridin-3-ylethanimine Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(=N/OC)/CC1=CC=CN=C1 CKPCAYZTYMHQEX-NBVRZTHBSA-N 0.000 abstract description 9
- 239000005782 Fluopicolide Substances 0.000 abstract description 7
- GBOYJIHYACSLGN-UHFFFAOYSA-N fluopicolide Chemical compound ClC1=CC(C(F)(F)F)=CN=C1CNC(=O)C1=C(Cl)C=CC=C1Cl GBOYJIHYACSLGN-UHFFFAOYSA-N 0.000 abstract description 7
- 244000052769 pathogen Species 0.000 abstract description 5
- 230000001717 pathogenic effect Effects 0.000 abstract description 5
- 208000031888 Mycoses Diseases 0.000 abstract description 2
- 230000001934 delay Effects 0.000 abstract description 2
- 230000003449 preventive effect Effects 0.000 description 20
- 241000209094 Oryza Species 0.000 description 11
- 230000000844 anti-bacterial effect Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000011160 research Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000013329 compounding Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000002438 mitochondrial effect Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- KXDAEFPNCMNJSK-UHFFFAOYSA-N Benzamide Chemical compound NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- 229940079593 drug Drugs 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
- 230000001225 therapeutic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FRRKMGKUCIICOM-CSKARUKUSA-N (e)-n-methoxy-1-phenylethanimine Chemical compound CO\N=C(/C)C1=CC=CC=C1 FRRKMGKUCIICOM-CSKARUKUSA-N 0.000 description 1
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 241000123650 Botrytis cinerea Species 0.000 description 1
- 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
- 101710088194 Dehydrogenase Proteins 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- 206010027146 Melanoderma Diseases 0.000 description 1
- UDSDECJPWHXDPX-UHFFFAOYSA-N N-fluoro-4-methyl-2,6-dinitroaniline Chemical class FNC1=C(C=C(C=C1[N+](=O)[O-])C)[N+](=O)[O-] UDSDECJPWHXDPX-UHFFFAOYSA-N 0.000 description 1
- DFPAKSUCGFBDDF-UHFFFAOYSA-N Nicotinamide Chemical compound NC(=O)C1=CC=CN=C1 DFPAKSUCGFBDDF-UHFFFAOYSA-N 0.000 description 1
- 241000233654 Oomycetes Species 0.000 description 1
- 241000233622 Phytophthora infestans Species 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 241000228452 Venturia inaequalis Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- GICGNVGABFUVBH-UHFFFAOYSA-N [(2-chlorophenyl)-(4-chlorophenyl)methyl]urea Chemical compound C=1C=CC=C(Cl)C=1C(NC(=O)N)C1=CC=C(Cl)C=C1 GICGNVGABFUVBH-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000003443 antiviral agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 150000008056 dicarboxyimides Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000000411 inducer Substances 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
- 230000002045 lasting effect Effects 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 229960003966 nicotinamide Drugs 0.000 description 1
- 235000005152 nicotinamide Nutrition 0.000 description 1
- 239000011570 nicotinamide Substances 0.000 description 1
- 244000039328 opportunistic pathogen Species 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003375 plant hormone Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000004763 spore germination Effects 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000004102 tricarboxylic acid cycle Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000004562 water dispersible granule Substances 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to plant protection art; there is provided a kind of composition containing oligosaccharides Yu pyridines sterilization component; oligosaccharides is selected from least one of chitosan oligosaccharide, pectic oligosaccharides, sodium alginate oligosaccharide in said composition; the quality parts ratio of the one kind of pyridines sterilization component in fluopicolide, fluazinam, pyrifenox, Boscalid, oligosaccharides and pyridines component is 1：10‑10：1.Present invention additionally comprises the purposes of various agricultural fungal diseases on above-mentioned composition preventing and treating crop, composition shows good synergistic effect in certain ratio range, improves the protection effect of composition, delays pathogen generation drug-fast to medicament.
Description
Technical field
The present invention relates to a kind of composition containing oligosaccharides Yu pyridines sterilization component, composition is used to prevent and treat rice blast, frost
The multiple diseases such as mildew, powdery mildew, smut, anthracnose, late blight, leaf spot, scab.
Background technology
Come from organism and the great interest of the good compound of the biodegradability person that caused pesticide research.At this
In a little compounds, have no toxic side effect, the oligosaccharides of easily biological-degradable has very big potentiality, the new medicament as control disease.It is few
Sugar leads antiviral agents as the important plant inducer of a class, and from the research of the oligosaccharide of plant, research shows, oligosaccharides is resisting disease
During opportunistic pathogen corrodes, it can induce and excite plant to produce a series of defense reaction, these defense reactions synergy is prevented
The propagation and invasion of pathogen, reach the effect prevented and cured diseases.Meanwhile, oligosaccharides is also the new plant hormone of a class, with regulation
With the control effect such as growth and development of plants, it can send the information of regulation specified plant function, and these functions include growth promotion, anti-
Cold, drought resisting etc..
Fluopicolide, English common name flupicolide, chemical name 2, the chloro- N- of 6- bis- (the chloro- 5- trifluoromethyls of 3--
2- picolyls) benzamide, molecular formula is C14H8Cl3F3N2O.Fluopicolide is mainly used in preventing and treating oomycetes diseases such as frost
Mildew, epidemic disease etc., there is certain preventive effect to rice blast, gray mold, powdery mildew in addition.
Fluazinam, English common name fluazinam, the chloro- N- of chemical name 3- (the chloro- 5- trifluoromethyls -2- pyridine radicals of 3-) -
The fluoro- 2,6- dinitro-para-toluidines of α, α, α-three, molecular formula is C13H4Cl2F6N4O4.The specific disease that fluazinam can be prevented and treated has
Gray mold of cucumber, downy mildew, anthracnose, powdery mildew, tomato late blight, scab of apple, leaf spot, Pear black spot, rust, water
Rice rice blast, banded sclerotial blight, crown hull sugar, grape grey mould, downy mildew, citrus scab, gray mold, the late blight of potato,
Lawn spot disease etc..Also there is good result to the Botrytis cinerea pathogen of anti-benzimidazole type and dicarboximide series bactericidal agent,
And fluazinam resistance of rainwater washing against, the lasting period is long.
Pyrifenox, English common name pyrifenox, chemical name 2,4- bis- chloro- 2- (3- pyridine radicals) acetophenone-O- methyl
Oxime, molecular formula is C14H12Cl2N2O.Pyrifenox is the systemic fungicide with protection and therapeutic action, can prevent and treat crop white powder
Disease, leaf spot, scab etc..
Boscalid, English common name boscalid, the chloro- N- of chemical name 2- (4 '-chlordiphenyl -2- bases) niacinamide, point
Minor is C18H12Cl2N2O.Boscalid is permeated by blade face to be shifted in plant, suppresses mitochondrial succinate acid esters dehydrogenase, resistance
Hinder tricarboxylic acid cycle, disturb the division and growth of pathogen cell, with protection and therapeutic action.Suppress spore germination, germ tube
Extension, mycelial growth and spore mother cell are formed.Boscalid is mainly used in preventing and treating powdery mildew, gray mold, various rots, brown
Maize ear rot and root rot.
The one kind of pyridine series bactericidal agent in fluopicolide, fluazinam, pyrifenox, Boscalid, the sterilization component
It is mitochondrial respiratory inhibitor, i.e., by cytochrome b and C1Between electro transfer suppress mitochondrial breathing.For Reasonable Protection
Such medicament, the prevention effect for delaying germ generation drug-fast to new medicament and raising medicament, it is necessary to carry out reasonably multiple
With research.There is presently no the report on oligosaccharides and above-mentioned sterilization component composition research.Inventor passes through to bactericidal composition
Compounding effect research, it was found that some unexpected effects.
The content of the invention
It is an object of the invention to provide a composition containing kind of oligosaccharides Yu pyridines sterilization component, the purpose of the present invention is
Realized by following measures.
The invention provides a kind of composition containing oligosaccharides Yu pyridines sterilization component, it is characterised in that in said composition,
Oligosaccharides is selected from least one of chitosan oligosaccharide, pectic oligosaccharides, sodium alginate oligosaccharide, and pyridines sterilization component is selected from fluorine pyridine acyl bacterium
One kind in amine, fluazinam, pyrifenox, Boscalid.
In above-mentioned bactericidal composition, the quality parts ratio of oligosaccharides and the component of pyridines sterilization component two is 1：10-10：1, it is excellent
Choosing, quality parts ratio is 1:5-5:1.
In above-mentioned bactericidal composition, the quality sum of oligosaccharides and pyridines sterilization component accounts for bactericidal composition gross mass percentage
The 1-60% of ratio.
Above-mentioned composition of the present invention can be made into suspending agent, wettable powder, water dispersible granules, aqua, microemulsion, water and milk
Agent, for spraying, pouring root, seed dressing etc..
Present invention also offers the purposes that above-mentioned composition is used for controlling plant diseases, the disease suitably prevented and treated has Fungi Imperfecti
The fungus-caused rice blast of class, scab, the fungus-caused powdery mildew of Ascomycotina, leaf spot etc., Mastigomycotina fungi
Caused downy mildew, epidemic disease, peronospora tabacina etc., banded sclerotial blight, smut etc. caused by Basidiomycotina.Therefore, the present invention is also wrapped
Include the purposes of various agricultural fungal diseases on above-mentioned composition preventing and treating plant.
It has also been found that, above-mentioned bactericidal composition is in the case where respective active component is reduced using total amount, to rice blast
Disease, cucumber downy mildew, wheat powdery mildew have excellent prevention effect, and synergistic effect is obvious.
In the purposes of above-mentioned composition of the present invention, the plant is paddy rice, wheat, cucumber, capsicum, watermelon, apple, Portugal
Grape, citrus, pears, lichee, flowers, lawn etc..
Present invention has the advantages that：
1st, synergistic effect is obvious：Composition shows good synergistic effect in certain ratio range, improves composition
Protection effect.
2nd, use cost is reduced：Preventive effect, preventing and treating spectrum increase are improved because compounding has, access times are reduced, reducing makes
Use cost；
3rd, the resistance to the action of a drug is delayed：The composition compounding of two kinds of different mechanism of action, pathogen is not likely to produce the resistance to the action of a drug, delays cause of disease
Bacterium is drug-fast to medicament to be produced.
Embodiment
Following examples are that the present invention is further illustrated, but the present invention is not limited to the composition in present embodiment
And purposes.
Embodiment 1 is containing prevention effect of the chitosan oligosaccharide composition to rice blast
Single compound or the dissolving of composition organic solvent are prepared into 1000mg/L mother liquor.Surveyed according to bioactivity
Determine trial test, a certain amount of above-mentioned mother liquor is diluted with 0.1% Tween 80, be configured to the concentration needed.During measure, first by decoction
Spray in pot rice plant, be then inoculated with after pathogen, moisturizing culture 24h, be placed in greenhouse and cultivate, determined after certain time
The percentage that plant leaf surface infects.Using Abbot formula, percentage is converted into preventive effect.
X is the preventive effect of active component A when concentration is a, and y is the preventive effect of active component B when concentration is b.
Compare theoretical effect and actual effect, evaluate the synergy of composition, make when being more than theoretical preventive effect using actual preventive effect as synergy
With.It the results are shown in Table 1.
Table 1 is containing prevention effect of the chitosan oligosaccharide composition to rice blast
It is 1 in composition proportioning as seen from Table 1 by potted plant test:1-1:When 10, chitosan oligosaccharide and fluopicolide
Composition, the composition of chitosan oligosaccharide and fluazinam, the composition of chitosan oligosaccharide and pyrifenox, the composition of chitosan oligosaccharide and Boscalid
Actual effect to rice blast is above the theoretical preventive effect of composition.It is clear that the composition of chitosan oligosaccharide is to rice blast
Synergy.
Prevention effect of the pectic oligosaccharides composition of embodiment 2 to cucumber downy mildew
Single compound or the dissolving of composition organic solvent are prepared into 1000mg/L mother liquor.Surveyed according to bioactivity
Determine trial test, a certain amount of above-mentioned mother liquor is diluted with 0.1% Tween 80, be configured to the concentration needed.During experiment, cucumber plant
Substantially in 4 leaf phases, downy mildew incidence is investigated before the 1st medicine.Cucumber downy mildew basin has been carried out with pectic oligosaccharides composition
Experiment is planted, and sets corresponding single dose and blank control, using the conventional conventional spray of manual sprayer, 10 plants is sprayed per medicament, is sprayed 1 time
7-10d sprays 1 time again afterwards.10-14d is investigated after 2nd dispenser, the whole blades of every plant of investigation, record investigation total number of sheets, sick leaf
Number, disease index and preventive effect are calculated according to following stage division.
Blade staging：
0 grade：It is disease-free
1 grade：The connected area of scab accounts for less than the 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 more than the 51% of whole leaf area；
X is the preventive effect of active component A when concentration is a, and y is the preventive effect of active component B when concentration is b.
Compare theoretical effect and actual effect, evaluate the synergy of composition, make when being more than theoretical preventive effect using actual preventive effect as synergy
With.It the results are shown in Table 2.
Prevention effect of the pectic oligosaccharides composition of table 2 to cucumber downy mildew
Found by the test potted plant to cucumber downy mildew of pectic oligosaccharides composition, be 1 in composition proportioning:2 and 1:When 10,
The composition of pectic oligosaccharides and fluopicolide, the composition of pectic oligosaccharides and fluazinam, the combination of pectic oligosaccharides and pyrifenox
The composition of thing, pectic oligosaccharides and Boscalid is above the theoretical preventive effect of composition to the actual effect of cucumber downy mildew.
It is clear that the composition of pectic oligosaccharides is synergy to cucumber downy mildew.
The sodium alginate oligosaccharide composition of embodiment 3 is to wheat powdery mildew field test
Wheat powdery mildew field test has been carried out with composition, and has set corresponding single dose and blank control, cell is set per medicament
30m2.Using the conventional conventional spray of knapsack sprayer, experiment is in booting and flowering respectively spray 1 time at initial stage, before medicine and the 2nd dispenser
7~10d, is often handled by 5 points of samplings, 50 plants every, the whole blades of every plant of investigation record investigation total number of sheets, the sick number of sheets, pressed afterwards
Disease index and preventive effect are calculated according to following stage division.
Blade staging：
0 grade：It is disease-free
1 grade：The connected area of scab accounts for less than the 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 more than the 51% of whole leaf area；
X is the preventive effect of active component A when concentration is a, and y is the preventive effect of active component B when concentration is b.
Compare theoretical effect and actual effect, evaluate the synergy of composition, make when being more than theoretical preventive effect using actual preventive effect as synergy
With.Bactericidal composition containing sodium alginate oligosaccharide the results are shown in Table 3 to the prevention effect of wheat powdery mildew.
Bactericidal composition of the table 3 containing sodium alginate oligosaccharide is to wheat powdery mildew field efficacy
Found by the test potted plant to wheat powdery mildew of composition containing sodium alginate oligosaccharide, be 2 in composition proportioning:1 He
1:When 5, composition, the composition of sodium alginate oligosaccharide and fluazinam, the sodium alginate of sodium alginate oligosaccharide and fluopicolide
The composition of the composition of oligosaccharides and pyrifenox, sodium alginate oligosaccharide and Boscalid is high to the actual effect of wheat powdery mildew
In the theoretical preventive effect of composition.It is clear that the composition containing sodium alginate oligosaccharide is synergy to wheat powdery mildew.
Claims (6)
1. a kind of composition containing oligosaccharides Yu pyridines sterilization component, it is characterised in that in said composition oligosaccharides be selected from chitosan oligosaccharide,
At least one of pectic oligosaccharides, sodium alginate oligosaccharide, pyridines sterilization component are the quality of fluazinam, chitosan oligosaccharide and fluazinam
Portion rate is 1：10-1：2, the quality parts ratio of pectic oligosaccharides and fluazinam is 1：10-1：2, sodium alginate oligosaccharide and fluazinam
Quality parts ratio be 1：2.5-2：1.
2. composition according to claim 1, it is characterised in that the quality sum of oligosaccharides and fluazinam accounts for the total matter of composition
Measure the 1-60% of percentage.
3. composition according to claim 2, it is characterised in that composition is made suspending agent, wettable powder, moisture and dissipated
Granula, aqua, microemulsion, aqueous emulsion, for spraying, pouring root, seed dressing.
4. the composition described in claim 3 is used for the purposes of controlling plant diseases, it is characterised in that the disease of preventing and treating, which has, partly to be known
The fungus-caused rice blast of mushroom, scab, the fungus-caused powdery mildew of Ascomycotina, leaf spot, Mastigomycotina fungi
Caused downy mildew, epidemic disease, peronospora tabacina, banded sclerotial blight, smut caused by Basidiomycotina.
5. purposes according to claim 4, it is characterised in that the plant be paddy rice, wheat, cucumber, capsicum, watermelon, apple,
Grape, citrus, pears, lichee, flowers, lawn.
6. purposes according to claim 5, it is characterised in that have to rice blast, cucumber downy mildew, wheat powdery mildew excellent
Prevention effect, synergistic effect is obvious.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068019.XA CN103828812B (en) | 2014-02-27 | 2014-02-27 | Composition containing oligosaccharides Yu pyridines sterilization component |
| CN201710840681.6A CN107581189B (en) | 2014-02-27 | 2014-02-27 | Composition containing oligosaccharide and pyridine bactericidal components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068019.XA CN103828812B (en) | 2014-02-27 | 2014-02-27 | Composition containing oligosaccharides Yu pyridines sterilization component |
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| CN201710840681.6A Active CN107581189B (en) | 2014-02-27 | 2014-02-27 | Composition containing oligosaccharide and pyridine bactericidal components |
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| CN104082296B (en) * | 2014-07-21 | 2018-02-02 | 海南正业中农高科股份有限公司 | Bactericidal composition containing chitosan oligosaccharide and mandipropamid |
| CN106954630A (en) * | 2017-03-01 | 2017-07-18 | 安徽丰乐农化有限责任公司 | Composite bactericide after a kind of protecting field Strawberry Seedlings |
| CN107041369A (en) * | 2017-04-17 | 2017-08-15 | 邓付圆 | A kind of bactericidal composition for preventing and treating the late blight of potato |
| CN106962350A (en) * | 2017-04-24 | 2017-07-21 | 广西南宁益土生物科技有限责任公司 | Bactericidal composition containing Chinese yam polysaccharide and fluopicolide |
| CN106962351A (en) * | 2017-04-24 | 2017-07-21 | 广西南宁益土生物科技有限责任公司 | Bactericidal composition containing Chinese yam polysaccharide and fluazinam |
| CN113854065B (en) * | 2021-11-01 | 2023-02-07 | 浙江石原金牛化工有限公司 | Strawberry anthracnose control method |
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| TWI421030B (en) * | 2006-12-12 | 2014-01-01 | Bayer Cropscience Ag | Pesticidal composition comprising a synthetic compound useful as nodulation agent of leguminous plants and a fungicide compound |
| CN101836633A (en) * | 2010-05-14 | 2010-09-22 | 深圳市朗钛生物科技有限公司 | Pesticide composition containing amino-oligosaccharide and kresoxim-methyl and use method and application thereof |
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| CN107581189A (en) | 2018-01-16 |
| CN103828812A (en) | 2014-06-04 |
| CN107581189B (en) | 2020-04-17 |
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