CN108541715A - A kind of bactericidal composition of prevention pear scab - Google Patents
A kind of bactericidal composition of prevention pear scab Download PDFInfo
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- CN108541715A CN108541715A CN201810562697.XA CN201810562697A CN108541715A CN 108541715 A CN108541715 A CN 108541715A CN 201810562697 A CN201810562697 A CN 201810562697A CN 108541715 A CN108541715 A CN 108541715A
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- pear scab
- fungicide
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- prochloraz
- prevention
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- 239000000203 mixture Substances 0.000 title claims abstract description 62
- 206010039509 Scab Diseases 0.000 title claims abstract description 44
- 235000014443 Pyrus communis Nutrition 0.000 title claims abstract description 42
- 230000002265 prevention Effects 0.000 title claims abstract description 20
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 19
- 239000005820 Prochloraz Substances 0.000 claims abstract description 27
- TVLSRXXIMLFWEO-UHFFFAOYSA-N prochloraz Chemical compound C1=CN=CN1C(=O)N(CCC)CCOC1=C(Cl)C=C(Cl)C=C1Cl TVLSRXXIMLFWEO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000000855 fungicidal effect Effects 0.000 claims abstract description 26
- 239000000417 fungicide Substances 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 19
- IXVMHGVQKLDRKH-YEJCTVDLSA-N (22s,23s)-epibrassinolide Chemical compound C1OC(=O)[C@H]2C[C@H](O)[C@H](O)C[C@]2(C)[C@H]2CC[C@]3(C)[C@@H]([C@H](C)[C@H](O)[C@@H](O)[C@H](C)C(C)C)CC[C@H]3[C@@H]21 IXVMHGVQKLDRKH-YEJCTVDLSA-N 0.000 claims abstract description 16
- IXVMHGVQKLDRKH-VRESXRICSA-N Brassinolide Natural products O=C1OC[C@@H]2[C@@H]3[C@@](C)([C@H]([C@@H]([C@@H](O)[C@H](O)[C@H](C(C)C)C)C)CC3)CC[C@@H]2[C@]2(C)[C@@H]1C[C@H](O)[C@H](O)C2 IXVMHGVQKLDRKH-VRESXRICSA-N 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 4
- 239000000375 suspending agent Substances 0.000 claims description 4
- 239000004562 water dispersible granule Substances 0.000 claims description 4
- 239000004563 wettable powder Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims description 2
- 239000004530 micro-emulsion Substances 0.000 claims description 2
- 239000003094 microcapsule Substances 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims 2
- 238000004659 sterilization and disinfection Methods 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 abstract description 11
- 230000002195 synergetic effect Effects 0.000 abstract description 7
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 244000052769 pathogen Species 0.000 abstract description 2
- 230000001717 pathogenic effect Effects 0.000 abstract description 2
- 239000000419 plant extract Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 241000220324 Pyrus Species 0.000 description 35
- 201000010099 disease Diseases 0.000 description 10
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 10
- 235000021017 pears Nutrition 0.000 description 8
- 231100000419 toxicity Toxicity 0.000 description 8
- 230000001988 toxicity Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 239000002552 dosage form Substances 0.000 description 5
- 235000013399 edible fruits Nutrition 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003899 bactericide agent Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000233866 Fungi Species 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 239000007884 disintegrant Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000222290 Cladosporium Species 0.000 description 1
- 241000395107 Cladosporium cucumerinum Species 0.000 description 1
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 102000018997 Growth Hormone Human genes 0.000 description 1
- 108010051696 Growth Hormone Proteins 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 240000001987 Pyrus communis Species 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- -1 acyls Amine Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001647 brassinosteroids Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000000122 growth hormone Substances 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 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
- A01N43/02—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
- A01N43/22—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 rings with more than six members
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
-
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of bactericidal composition of prevention pear scab and its fungicide of preparation.The composition includes the component of following mass percent：55~78% prochlorazs, 15%~38% brassinosteroid, 1~7% graphene oxide；Prochloraz, plant extracts brassinosteroid and graphene oxide are carried out mixture by the composition of prevention pear scab of the present invention, within the scope of special ratios, synergistic effect is mutually played between three, also ensure have good inhibitory activity of the composition for pear scab while reducing prochloraz usage amount, it is suitable with the inhibiting effect of single dose prochloraz.The mixture composition is used after fungicide is made, can effectively preventing pear scab, while the usage amount of prochloraz can also be reduced, slow down and/or prevent pear scab pathogen and resistance is generated to prochloraz.
Description
Technical field
The invention belongs to technical field of pesticide, more particularly, to a kind of bactericidal composition of prevention pear scab.
Background technology
There are one of the main fruit trees seeds that cultivation and China are planted extensively in all Temperate Region in China to pears in the world, money
Source is abundant, and cultivation history is long.Pears disease is always to limit one of the Main Factors of pears industry development.Pear scab, by partly knowing
The black star spore (VenturiapirinumAderh) of pears of bacterium subphylum causes, also known as shot hole, mist disease, is worldwide one kind
The important disease of pears, in North America, occurrence degree is serious, and in 80 multiple diseases for endangering China pear tree, generally occurs and more
Serious equally first-elected pear scab.Pear scab has generation in China north and south pears producing region, especially with Liaoning, Hebei, mountain
East, Shaanxi, Henan, the harm of the Shanxi producing regions Deng Li are serious.When falling ill serious, not only cause early stage a large amount of fallen leaves, and endanger fruit
It is real, cause young fruit lopsided, cannot normally expand；The 2nd annual bearing of disease tree is reduced simultaneously, seriously affects the yield and quality of the operatic circle,
Cause heavy economic losses.In the plant disease epidemic time, for sick leaf rate up to 90%, diseased fruit rate seriously affects the excellent of pears up to 50%~70%
Matter high yield.It there is no the Pear varieties of high scab resistant at present, the prevention of pear scab is still based on chemical prevention.
Prochloraz is a kind of wide-spectrum bactericide, is had to various crop disease caused by sac fungus and Fungi Imperfecti apparent
Preventive effect, can also be mixed with most of fungicide, Insecticides (tech) ＆ Herbicides (tech), there is preferable control effect.To field crop, water
Multiple diseases on fruit vegetable, turf and ornamental plant have treatment and eradicant action.For scientific and reasonable medication, built in production
View is used with using different role mechanism fungicide or rotation uses, and disease is delayed to develop immunity to drugs, and effectively controls the same of scab
When, reduce dosage.
Invention content
The technical problem to be solved by the present invention is to overcome the defect of the above-mentioned prior art and deficiency, a kind of prevention pears are provided
The bactericidal composition of scab.
It is a further object to provide a kind of fungicide of prevention pear scab.
The above-mentioned purpose of the present invention is to give realization by the following technical programs：
In order to solve the above-mentioned technical problem, inventor has carried out composition research to the present invention to prochloraz.By largely giving birth to
Object measures screening, has been surprisingly found that prochloraz is compounded with brassinosteroid, graphene oxide with certain proportion, has to pear scab
Significant synergistic effect.
A kind of bactericidal composition of prevention pear scab, includes each component of following weight percent：55~78% miaow acyls
Amine, 15%~38% brassinosteroid, 1~7% graphene oxide.
Disclose a variety of prochlorazs and the fungicide after other fungicide compoundings in fact in the prior art, but most of is to adopt
Made of prochloraz and other chemical bactericide mixtures.What it is due to use is all chemical bactericide, and a variety of active ingredients is mixed
With the unfriendly of rear fungicide environment multipair greatly, pollution is stronger, and is easy to generate beneficial insect certain toxic action, no
Meet the starting point of environment friendly agricultural.
Brassinosteroid is a kind of novel plant endogenous hormones, is first active rape element being separated
Steroid (Brassinosteroids, BRs) is to be known as activity highest efficiently, wide spectrum, nontoxic plant in the world
Growth hormone.It can fully be excited in plant in potential, promoted plant growth and increased crop yield, improve the cold-resistant of crop
Property, disease-resistant, the saline-alkaline tolerance of crop are improved, the resistance of reverse of crop is made to enhance, poisoning of the herbicide to crop can be mitigated.
Graphene oxide is that graphene obtains after peroxidating, and graphene has good antibacterial action, compared to stone
Black alkene, graphene oxide is not easy to reunite, soluble easily in water, and equally has good antibacterial action.
The composition of prevention pear scab of the present invention mixes prochloraz, brassinosteroid and graphene oxide
Match, within the scope of special ratios, synergistic effect is mutually played between three, also guarantee group while reducing prochloraz usage amount
Have good inhibitory activity of the object for pear scab is closed, it is suitable with the inhibiting effect of single dose prochloraz.
Preferably, the composition includes each component of following weight percent：70~78% prochlorazs, 17%~28%
Brassinosteroid, 2~5% graphene oxides.
Preferably, the composition includes each component of following weight percent：75% prochloraz, in 21.5% rape element
Ester, 3.5% graphene oxide.
Application of the bactericidal composition in the fungicide for preparing prevention pear scab is also claimed in the present invention.
A kind of fungicide comprising any of the above-described bactericidal composition is also within the scope of the present invention.
Preferably, account for the fungicide gross mass 1%~80% of the composition.
Preferably, account for the fungicide gross mass 1%~50% of the composition.
Preferably, the dosage form of the fungicide be missible oil, it is suspending agent, wettable powder, water dispersible granules, aqueous emulsion, micro-
Emulsion, microcapsule formulations or granule.
Preferably, the fungicide also includes auxiliary element pesticide-acceptable.
Meanwhile application of any of the above-described fungicide in preventing pear scab is also in the scope of the present invention.
Compared with prior art, the invention has the advantages that：
The composition of prevention pear scab of the present invention is by prochloraz, plant extracts brassinosteroid and graphite oxide
Alkene carries out mixture and mutually plays synergistic effect between three within the scope of special ratios, when 75% prochloraz, 21.5% rape
When plain lactone and 3.5% graphene oxide compound, co-toxicity coefficient is up to nearly 142.The bactericidal composition of the present invention is reducing miaow
Also ensure that there is good inhibitory activity, the inhibiting effect with single dose prochloraz for pear scab while amide usage amount
Quite.The mixture composition is used after fungicide is made, can effectively preventing pear scab, while miaow acyl can also be reduced
The usage amount of amine slows down and/or prevents pear scab pathogen and generates resistance to prochloraz.
Specific implementation mode
Further illustrated the present invention below in conjunction with specific embodiment, but embodiment the present invention is not done it is any type of
It limits.Unless stated otherwise, the present invention uses reagent, method and apparatus is the art conventional reagent, methods and apparatus.
Unless stated otherwise, following embodiment agents useful for same and material are purchased in market.
Embodiment 1
It is a kind of prevention pear scab composition, including component have：Prochloraz, brassinosteroid and graphene oxide,
The mass percent of wherein 3 kinds component mixtures is as shown in table 1.
The mass percent of 13 kinds of component mixtures of table
Embodiment 2
The Toxicity Determination of composition described in table 1, the process of test are as follows：
Test object：Pear scab wild strain melon scab cladosporium sp (Cladosporium cucumerinum).
The preparation method of composition 1~8 in table 1 is as follows：3 kinds of components are weighed according to the quality accounting in table 1, are then divided
3 kinds of components are not dissolved in ethanol solution, then 3 kinds of ethanol solutions are slowly mixed together while stirring, 3h or more is stirred for after mixing,
Mother liquor can be prepared, it is spare.
The inhibiting rate of 1~8 pair of pear scab wild strain of composition is measured using growth rate method, and one group of blank is set
Control group CK the results are shown in Table respectively using single dose prochloraz, brassinosteroid, graphene oxide as comparative example shown in 2.
The inhibiting rate result of table 2 composition, 1~8 pair of pear scab wild strain
As can be seen from Table 2, under the conditions of same concentrations, the inhibition of 1~8 pair of pear scab wild strain of composition
It is substantially better than single dose prochloraz, and when a concentration of 10 μ g/mL, single dose brassinosteroid and single dose graphene oxide are to pear scab
The inhibiting effect of wild strain is very weak, and brassinosteroid there is no effect, needs under a high concentration condition, can just show
Certain inhibiting effect, but inhibiting rate is still very low.
It is same that the EC of composition 1~8 and 3 kind of single dose to pear scab wild strain is tested using the above method50Value.And it adopts
Co-toxicity coefficient (CTC) is calculated with Sun Yunpei's Method to evaluate mixed effect.
Toxicity index TI (B)=(EC of standard agent A50The EC of/B agent50)×100
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) × 100
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent.
Work as co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] × 100
CTC≤80, then composition show as antagonism, as 80 ＜ CTC ＜ 120, then composition shows as summation action, when CTC >=
120, then composition show as synergistic effect.
The EC measured50Value and co-toxicity coefficient are shown in Table 3.
Table 3
| Grouping | EC50/μg/mL | ATI | TTI | Co-toxicity coefficient |
| 1 | 1.8 | 58.33333 | 55.30975 | 105.4666 |
| 2 | 1.75 | 60 | 58.24713 | 103.0094 |
| 3 | 1.58 | 66.4557 | 61.21188 | 108.5667 |
| 4 | 1.63 | 64.41718 | 65.14663 | 98.8803 |
| 5 | 1.45 | 72.41379 | 68.12506 | 106.2954 |
| 6 | 1.24 | 84.67742 | 70.16088 | 120.6904 |
| 7 | 0.99 | 106.0606 | 75.16144 | 141.1104 |
| 8 | 1.04 | 100.9615 | 78.16725 | 129.1609 |
| Single dose prochloraz | 1.05 | 100 | - | - |
| Single dose brassinosteroid | 400 | 0.2625 | - | - |
| Single dose graphene oxide | 35 | 3 | - | - |
As can be known from Table 3, three kinds of components show as summation action in composition 1~5, and 3 kinds of components in composition 6~8
Show as synergistic effect, wherein the co-toxicity coefficient of composition 7 is maximum, has played maximum synergistic effect between 3 kinds of components, and group
The quality accounting for closing prochloraz in object 7 is 75%, but its EC50Almost suitable with single dose prochloraz, larger proportion reduces miaow
The usage amount of amide can effectively avoid and/or delay generation of the pear scab germ to prochloraz resistance.
Embodiment 3
It is active constituent with composition 6~8, can be processed into according to the prevention environment and requirement of pear scab
Suitable dosage form is used, wherein commonly use suitable dosage form be wettable powder, water dispersible granules, suspending agent, missible oil or
Granula.
Wherein, when being processed into wettable powder, the quality percentage accounting of each raw material is：Any in above-mentioned composition 1~8
Composition 15%~45%, dispersant are 0.5%~10%, and wetting agent is 1%~9%, then complements to 100% with filler.
When being processed into water dispersible granules, the quality percentage accounting of each raw material is：Any combination in above-mentioned composition 1~8
Object 15%~80%, dispersant are 1%~8%, and wetting agent is 2%~8%, and bonding agent is 0.5%~5%, and disintegrant is
0.2%~5%, then 100% is complemented to filler.
When being processed into suspending agent, the quality percentage accounting of each raw material is：Any combination object in above-mentioned composition 1~8
10%~30%, thickener is 0.2%~2%, and antifoaming agent is 0.2%~1%, and antifreezing agent is 0.5%~5%, then uses water
Complement to 100%.
When being processed into missible oil, the quality percentage accounting of each raw material is：Any combination object 10% in above-mentioned composition 1~8
~20%, emulsifier be 2~8%, cosolvent be 0.2%~2%, stabilizer be 0.2%~1%, antifreezing agent be 0.5%~
5%, then 100% is complemented to solvent.
When being processed into granule, the quality percentage accounting of each raw material is：Any combination object in above-mentioned composition 1~8
10%~80%, bonding agent is 0.5%~5%, and dispersant is 1%~8%, and disintegrant is 0.2%~5%, and stabilizer is
0.5%~5%, then 100% is complemented to filler.
The various auxiliary agents being previously mentioned in above-mentioned dosage form are common auxiliary agent during pesticide processing, existing on the market,
It can directly choose.The concrete content and dosage form of composition in the fungicide being processed into, can according to the needs of actual use, into
The flexible selection of row and allotment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is protected to the present invention
The limitation of shield range can also be made on the basis of above description and thinking for those of ordinary skill in the art
Other various forms of variations or variation, there is no necessity and possibility to exhaust all the enbodiments.It is all the present invention
All any modification, equivalent and improvement etc., should be included in the protection of the claims in the present invention made by within spirit and principle
Within the scope of.
Claims (10)
1. a kind of bactericidal composition of prevention pear scab, which is characterized in that include each component of following weight percent：55~
78% prochloraz, 15%~38% brassinosteroid, 1~7% graphene oxide.
2. bactericidal composition according to claim 1, which is characterized in that include each component of following weight percent：70
~78% prochloraz, 17%~28% brassinosteroid, 2~5% graphene oxides.
3. bactericidal composition according to claim 1, which is characterized in that include each component of following weight percent：75%
Prochloraz, 21.5% brassinosteroid, 3.5% graphene oxide.
4. application of any one of claims 1 to 3 bactericidal composition in the fungicide for preparing prevention pear scab.
5. a kind of fungicide of prevention pear scab, which is characterized in that include any one of the claims 1 to 3 Bactericidal composite
Object.
6. preventing the fungicide of pear scab according to claim 5, which is characterized in that the composition accounts for the sterilization
The 1%~80% of agent gross mass.
7. preventing the fungicide of pear scab according to claim 6, which is characterized in that the composition accounts for the sterilization
The 1%~50% of agent gross mass.
8. according to the fungicide of any prevention pear scab of claim 5~7, which is characterized in that the agent of the fungicide
Type is missible oil, suspending agent, wettable powder, water dispersible granules, aqueous emulsion, microemulsion, microcapsule formulations or granule.
9. according to the fungicide of any prevention pear scab of claim 5~7, which is characterized in that the fungicide also wraps
Contain auxiliary element pesticide-acceptable.
10. application of any fungicide of claim 5~7 in preventing pear scab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562697.XA CN108541715A (en) | 2018-06-01 | 2018-06-01 | A kind of bactericidal composition of prevention pear scab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562697.XA CN108541715A (en) | 2018-06-01 | 2018-06-01 | A kind of bactericidal composition of prevention pear scab |
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| Publication Number | Publication Date |
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| CN108541715A true CN108541715A (en) | 2018-09-18 |
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| CN201810562697.XA Withdrawn CN108541715A (en) | 2018-06-01 | 2018-06-01 | A kind of bactericidal composition of prevention pear scab |
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| CN (1) | CN108541715A (en) |
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Application publication date: 20180918 |