CN105994303B - A kind of bactericidal composition containing fluoxastrobin and chitosan - Google Patents
A kind of bactericidal composition containing fluoxastrobin and chitosan Download PDFInfo
- Publication number
- CN105994303B CN105994303B CN201610660722.9A CN201610660722A CN105994303B CN 105994303 B CN105994303 B CN 105994303B CN 201610660722 A CN201610660722 A CN 201610660722A CN 105994303 B CN105994303 B CN 105994303B
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- China
- Prior art keywords
- chitosan
- fluoxastrobin
- bactericidal composition
- composition
- powdery mildew
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920001661 Chitosan Polymers 0.000 title claims abstract description 29
- 239000005784 Fluoxastrobin Substances 0.000 title claims abstract description 28
- 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 28
- 239000000203 mixture Substances 0.000 title claims abstract description 27
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 14
- 241000221785 Erysiphales Species 0.000 claims abstract description 14
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 11
- 239000000470 constituent Substances 0.000 claims description 7
- 239000000375 suspending agent Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 4
- 239000004563 wettable powder Substances 0.000 claims description 4
- 239000002552 dosage form Substances 0.000 claims description 2
- 239000004530 micro-emulsion Substances 0.000 claims description 2
- 208000031968 Cadaver Diseases 0.000 claims 2
- 239000006185 dispersion Substances 0.000 claims 1
- 239000000575 pesticide Substances 0.000 abstract description 11
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 abstract description 10
- 230000003449 preventive effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 4
- 244000299906 Cucumis sativus var. sativus Species 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000001225 therapeutic effect Effects 0.000 abstract 1
- 240000008067 Cucumis sativus Species 0.000 description 9
- 201000010099 disease Diseases 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 239000003814 drug Substances 0.000 description 7
- -1 cationic polysaccharide Chemical class 0.000 description 5
- 230000000855 fungicidal effect Effects 0.000 description 5
- 239000000417 fungicide Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000013329 compounding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 244000052769 pathogen Species 0.000 description 4
- 230000001717 pathogenic effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002917 insecticide Substances 0.000 description 3
- 230000010534 mechanism of action Effects 0.000 description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000004562 water dispersible granule Substances 0.000 description 3
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000012136 culture method Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002438 mitochondrial effect Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229920000053 polysorbate 80 Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- ZITVKGIRQCDOSX-UHFFFAOYSA-N 1h-cyclopropa[a]naphthalene Chemical compound C1=CC=CC2=C3CC3=CC=C21 ZITVKGIRQCDOSX-UHFFFAOYSA-N 0.000 description 1
- 241000256844 Apis mellifera Species 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 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
- 241000196324 Embryophyta Species 0.000 description 1
- 235000016623 Fragaria vesca Nutrition 0.000 description 1
- 240000009088 Fragaria x ananassa Species 0.000 description 1
- 235000011363 Fragaria x ananassa Nutrition 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 231100000674 Phytotoxicity Toxicity 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 229930182558 Sterol Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 241000256618 Trichogramma Species 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 1
- 230000000259 anti-tumor effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 229920005551 calcium lignosulfonate Polymers 0.000 description 1
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 description 1
- 230000006196 deacetylation Effects 0.000 description 1
- 238000003381 deacetylation reaction Methods 0.000 description 1
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 210000003470 mitochondria Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 239000003090 pesticide formulation Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 150000003432 sterols Chemical class 0.000 description 1
- 235000003702 sterols Nutrition 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000820 toxicity test Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of bactericidal compositions containing fluoxastrobin, effective component includes fluoxastrobin and chitosan, the weight ratio of the two is 1:30-30:1, preferably 1:10-10:1, the composition pesticide shows preferable preventive and therapeutic effect to the prevention and treatment of powdery mildew of cucumber within the scope of aforementioned proportion, in addition, the composition to crop safety, is worth promoting and applying in production.
Description
Technical field
The present invention relates to a kind of bactericidal compositions, and in particular to be a kind of sterilization containing fluoxastrobin and chitosan
Composition.
Summary of the invention
Powdery mildew is a kind of worldwide disease occurred extensively, mainly uses chemical pesticide control powdery mildew, mesh in production
Before rely primarily on benzimidazole, triazole type, methoxy acrylic bactericide.However, killing for single kind is used for a long time
Microbial inoculum can make disease generate different degrees of resistance, and control efficiency reduces.
Chitosan also known as chitin, Hai Liyuan are a kind of chitin warps extracted from edible insect and marine organisms
A kind of natural cationic polysaccharide that deacetylation two obtains has degradability, good film forming and biocompatibility and resists
The bioactivity such as bacterium, antitumor are widely used in the industries such as medicine, food and chemical industry.In agricultural production, chitosan is one
The excellent biological source crop protection agents of kind have the function of that object resistance factor is made in induction, and in the protection air that can form a film
Pathogenic bacteria drift is infected and the erosion Shanghai of pernicious gas.Chitosan is nontoxic, is the biology with fertile medicine dual function
Regulator；It is also non-toxic and non-pollution thickener, it is possible to reduce the use of thickener in preparation production.
Fluoxastrobin, Fluoxastrobin are methoxy acrylic bactericide, and the mechanism of action is mitochondrial respiratory
Inhibitor, i.e., by between cytochrome b and c1 electronics transfer inhibit mitochondria breathing, act on mitochondrial respiratory compared with
In more fungicide, the position of methoxy acrylic ester compounds effect and other differences, therefore to sterol inhibitor, phenyl acyl
The bacterial strain that amine, dicarboxylic dihydrazides amine and benzimidazole generate resistance is effective, but since its use cost is too high, the current country is answered
With less.
Currently, main method is exploitation and existing pesticide species due to the control of insect for being also easy to produce resistance in agricultural production
Compounding between the novel pesticide ingredient or existing pesticide species of no interactions resistance, the former is since required development cost is high, the period
It is long, and development rate is much less than the speed of pest resistance to insecticide generation at present.Therefore, the pesticide different for the mechanism of action
Kind carries out a kind of preferably selection when mixture, by reasonably compounding, preventive effect can be improved, reduce effective ingredient consumption, section
About cost, delays the generation of pest resistance to insecticide, and then can reduce or even avoid pollution of the pesticide to food and environment.
Present inventor has made intensive studies the recipe determination of fluoxastrobin and chitosan, finds the phonetic bacterium of fluorine
Ester and chitosan carry out mixture and have obvious synergistic function in a certain range to various plants disease fungus, pass through
Further research completes the present invention.In addition, there is no the relevant report about fluoxastrobin and chitosan compounding at present.
Summary of the invention
The purpose of the present invention is to provide a kind of synergy fungicide for being suitble to agriculturally use, the fungicide helps to subtract
Few Pesticide use amount saves drug cost, delays the generation of pathogen drug resistance and reduces the risk to environment.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of bactericidal composition, which is characterized in that
Active constituent includes fluoxastrobin and chitosan, wherein the mass ratio of fluoxastrobin and chitosan is 1:30-30:1, excellent
It is selected as 1:10-10:1.
Further, weight percentage shared by active constituent is 1-90%, preferably 10- in the bactericidal composition
50%。
Further, the bactericidal composition can be processed into agricultural by preparation method conventional in Pesticide formulation
Any dosage form of upper permission, such as can be wettable powder, water dispersible granules, aqueous emulsion, microemulsion, suspending agent.
Composition of the invention can provide i.e. in composition that each substance has mixed in the form of finished product preparation, can also be with
Unit dose form provides, and is directly mixed in bucket or tank in proportion using preceding, is then diluted to required concentration.
Further, composition of the invention can also be added other agricultural active ingredients, for example, fungicide, insecticide,
The agricultural actives ingredient such as herbicide, fertilizer.
Bactericidal composition of the invention is suitable for preventing and kill off a variety of diseases such as powdery mildew of cucumber, tomato powdery mildew, powdery mildew of strawberry
Evil.
Compared with prior art, composition pesticide of the invention has the beneficial effect that
(1) it after composition of the invention compounding, has obvious synergistic function in a certain range, preventive effect and list
A active constituent is compared and is significantly improved；
(2) the active constituent mechanism of action is different in composition of the invention, while effectively preventing crop disease,
The generation that can delay pathogen drug resistance is conducive to the service life for delaying pesticide activity component；
(3) composition preparation process of the invention is simple, is suitble to promote and apply in actual production.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, present invention following specific embodiments
It is illustrated, but the present invention is limited to absolutely not these examples.The following is only the preferred embodiment of the present invention, is used only for explaining
The present invention, but cannot be therefore understands that being limitations on the scope of the patent of the present invention.It should be pointed out that it is all in spirit of the invention and
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within principle, therefore,
The scope of protection of the patent of the invention shall be subject to the appended claims.
1, embodiment 1:31% fluoxastrobin chitosan wettable powder (30:1)
Fluoxastrobin 30%
Chitosan 1%
Sodium lignin sulfonate 5%
Neopelex 5%
Ammonium sulfate 4%
Precipitated calcium carbonate surplus
2, embodiment 2:22% fluoxastrobin chitosan water dispersible granules (10:1)
Fluoxastrobin 20%
Chitosan 2%
Alkyl phenol polyoxyethylene ether sulfate 5%
Calcium lignosulfonate 4%
Ammonium sulfate 2%
Sucrose 1%
Diatomite surplus
3, embodiment 3:15% fluoxastrobin chitosan suspending agent (13:2)
Fluoxastrobin 13%
Chitosan 2%
Methanonaphthalene sulfonate 3%
Fatty alcohol polyoxyethylene ether 2%
Polyoxyethylene ether phosphate 1%
Aluminium-magnesium silicate 1.5%
Organic silicone 0.5%
Sodium benzoate 0.5%
Ethylene glycol 0.3%
Deionized water surplus
4, embodiment 4:8% fluoxastrobin chitosan aqueous emulsion (7:1)
Fluoxastrobin 7%
Chitosan 1%
N-Methyl pyrrolidone 10%
Isobutanol 5%
Aliphatic alcohol polyoxyvinethene phosphate 5%
Propylene glycol 1%
Organic silicone 0.5%
Deionized water surplus
Two, indoor toxicity test
Subjects: cucumber powdery mildew's pathogen
Test method: test refers to People's Republic of China's professional standard NY/T 1156.11-2008 " pesticide indoor biological
Measure the 11st part of test rule fungicide: prevention and treatment cucurbits powdery mildew tests pot-culture method ", it is measured using pot-culture method.
Susceptible cucumber variety is sowed, it is spare that potting grows to 2 leaf periods.By prepared fluoxastrobin and chitosan
Mother liquor is dissolved with 0.1% Tween-80 aqueous surfactant solution and prepares concentration gradient.And it sets containing only solvent and surfactant
And blank control is made in the processing without containing effect ingredient.24 h after chemicals treatment, spray inoculation cucumber powdery mildew's pathogen spore suspension.
The process for preparation of spore suspension is as follows: taking and covers with Powdery Mildew blade, with the sterile of a small amount of Tween-80 surfactant of refueling
Water washes down spore, double gauze filtering, is modulated into 1 × 10 after microscopy5The suspension of a/mL.Inoculation is placed in thermostatic chamber,
It is cultivated 7 days under the conditions of 24 DEG C of temperature.When blank control disease liquid rate reaches 80% or more, incidence is managed in classification investigation everywhere,
Calculate the disease index and control efficiency of each processing.
The synergy situation of two kinds of medicaments is calculated according to colby formula, test result is as shown in table 1.
As can be seen from Table 1, fluoxastrobin and chitosan are in the range of weight ratio is 30:1-1:30 to cucumber white powder
Disease shows preferable synergistic function, wherein when composition active constituent weight ratio is 1:10-10:1, poison is altogether
Number is all larger than 140, and synergistic function becomes apparent from.
Three, field control effectiveness test
In order to preferably verify practical application effect of the invention, prevention and treatment cucumber is carried out using the medicament of the embodiment of the present invention
Powdery mildew field control effectiveness test.
Reagent agent: (1) 31% fluoxastrobin chitosan wettable powder (30:1)；(2) 22% fluoxastrobins are several
Fourth glycan water dispersible granules (10:1)；(3) 15% fluoxastrobin chitosan suspending agents (13:2)；(4) 8% fluoxastrobins are several
Fourth glycan aqueous emulsion (7:1)；(5) documents 1:40% fluoxastrobin suspending agent；(6) documents 2:0.5% chitosan water
Agent.
5 days after medicine, 10 days investigation disease indexs and preventive effect is calculated, test result is shown in Table 2.
Table of field test results are bright, and the composition of the embodiment of the present invention shows preferable speed to the prevention and treatment of powdery mildew of cucumber
Effect property and lasting effect.Composition pesticide containing fluoxastrobin and chitosan is 40g/ hm in effective ingredient consumption2When, medicine
78% was above to the preventive effect of powdery mildew of cucumber in 10 days afterwards, hence it is evident that due to the preventive effect of single active constituent.Meanwhile during test,
Cucumber crop safety, no phytotoxicity occur for reagent agent, to the beneficial organisms safety such as honeybee and world trichogramma, are worth producing
Upper popularization and application.
Claims (5)
1. a kind of bactericidal composition, which is characterized in that active constituent includes fluoxastrobin and chitosan, wherein fluoxastrobin
Mass ratio with chitosan is 1:30-30:1.
2. bactericidal composition according to claim 1, which is characterized in that the weight ratio of the fluoxastrobin and chitosan
Preferably 1:10-10:1.
3. bactericidal composition according to claim 1 or 2, which is characterized in that its dosage form is wettable powder, water dispersion
Granula, aqueous emulsion, microemulsion, suspending agent.
4. bactericidal composition described in any one of -3 claims is used to prevent and treat the use of corps diseases according to claim 1
On the way.
5. purposes according to claim 4, which is characterized in that the corps diseases are powdery mildew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660722.9A CN105994303B (en) | 2016-08-12 | 2016-08-12 | A kind of bactericidal composition containing fluoxastrobin and chitosan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660722.9A CN105994303B (en) | 2016-08-12 | 2016-08-12 | A kind of bactericidal composition containing fluoxastrobin and chitosan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105994303A CN105994303A (en) | 2016-10-12 |
| CN105994303B true CN105994303B (en) | 2019-01-18 |
Family
ID=57135121
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610660722.9A Active CN105994303B (en) | 2016-08-12 | 2016-08-12 | A kind of bactericidal composition containing fluoxastrobin and chitosan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105994303B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524073A (en) * | 2004-10-12 | 2009-09-09 | 拜尔农作物科学股份公司 | Active compound combinations comprising fluoxastrobin |
| CN103828820A (en) * | 2014-02-27 | 2014-06-04 | 海南正业中农高科股份有限公司 | Bactericidal composition containing oligosaccharide and fluoxastrobin |
| CN104255756A (en) * | 2014-09-10 | 2015-01-07 | 江苏省绿盾植保农药实验有限公司 | Bactericidal composition containing pyraclostrobin and chitosan, and application thereof |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524073A (en) * | 2004-10-12 | 2009-09-09 | 拜尔农作物科学股份公司 | Active compound combinations comprising fluoxastrobin |
| CN103828820A (en) * | 2014-02-27 | 2014-06-04 | 海南正业中农高科股份有限公司 | Bactericidal composition containing oligosaccharide and fluoxastrobin |
| CN104255756A (en) * | 2014-09-10 | 2015-01-07 | 江苏省绿盾植保农药实验有限公司 | Bactericidal composition containing pyraclostrobin and chitosan, and application thereof |
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