CN106259384B - A kind of microbicide compositions - Google Patents
A kind of microbicide compositions Download PDFInfo
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- CN106259384B CN106259384B CN201610643338.8A CN201610643338A CN106259384B CN 106259384 B CN106259384 B CN 106259384B CN 201610643338 A CN201610643338 A CN 201610643338A CN 106259384 B CN106259384 B CN 106259384B
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- propamocarb
- benziothiazolinone
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- 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
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
-
- 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
- A01N43/80—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 five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The present invention provides a kind of microbicide compositions, the composition includes two kinds of effective constituents As and B, and active component A is benziothiazolinone, and active component B is Propamocarb or derivatives thereof, and the weight ratio between two components is 1:1~100.The present invention also provides the Preparation method and uses of the composition.Test result shows that above-mentioned bactericidal composition synergy provided by the invention is obvious, it is often more important that amount of application is reduced, and use cost reduces.The bactericidal composition can effectively prevent certain specific fungal diseases of crop.By compounding the fungicide of different role mechanism and the mode of action, the amount of application of each single dose is effectively reduced, there is good effect for expand fungicidal spectrum and delay fungi, fungus resistant and improve control efficiency etc..
Description
Technical field
The invention belongs to agriculture plant protection fields, more particularly to a kind of with the bactericidal composition for improving performance, tool
Say to body it is to be related to a kind of bactericidal composition comprising benziothiazolinone and Propamocarb.
Background technique
Benziothiazolinone is a kind of novel, wide-spectrum bactericide, is mainly used for preventing and treating and treating cereal crop, veterinary antibiotics etc.
Various bacteria, fungal disease.Its bactericidal effect mechanism, main includes destroying germ cell nuclear structure, it is made to lose heart portion
Position and failure death and interference germ cell metabolism, make its physiologic derangement, eventually lead to it is dead two aspect.In disease
Early period of origination use can effectively protect plant and is not infected by pathogen, and disease takes the circumstances into consideration increase dosage after occurring can obviously control disease
The sprawling of bacterium, thus the double action for reaching protection and rooting out.
Propamocarb is a kind of less toxic fungicide with local systemic action, belongs to carbamates.To Oomycete fungal
There is special efficacy.Its mechanism of action is the biosynthesis of the main phosphatide and fatty acid for inhibiting germ cell film component, inhibits mycelia raw
Long, sporangium formation and sprouting.When being used as soil treatment, it can be absorbed quickly by root and be conveyed upwards into entire plant.When
When as cauline leaf process, it can be absorbed and be distributed in blade by blade quickly, can play a protective role in 30min.The medicine
It can also be used in soilless cultivation, immersion stem tuber and bulb, production seed coat agent etc..Because its mechanism of action is different from other fungicide, with
It is effective especially to prevent and treat the germ to have developed drug resistance to common fungicide for other medicament no interactions resistances.
Actual pesticide experience have shown that, repeat and single-minded apply a kind of reactive compound to prevent and treat harmful fungoid very
It will lead to the fast selective of fungal bacterial strain in more situations, it is usual at present for the risk for reducing refractory fungal bacterial strain selectivity
Harmful fungoid is prevented and treated using the mixture of different activities compound.By will have the reactive compound of different role mechanism into
Row combination, can delaying drug resistance generate, reduce amount of application, reduce control cost.
Summary of the invention
The purpose of the present invention is being directed to fungicide resistance and pedo relict problem in practical applications, filters out difference and kill
The fungicide of bacterium principle is compounded, and a kind of new microbicide compositions are obtained, to improve bactericidal agent for preventing and treating effect, delaying drug resistance
It generates, reduces amount of application, reduce control cost.
It is a further object to provide the preparation method comprising two kinds of effective constituents As and B bactericidal composition and
The application of agriculture field prevention and treatment corps diseases.
The purpose of the present invention can be achieved by the following measures:
A kind of microbicide compositions with synergistic effect, the composition includes two kinds of active components of A and B, wherein activity
Component A is benziothiazolinone, and active component B is Propamocarb or derivatives thereof, the preferred Propamocarb salt compounds of Propamocarb derivative.Frost
In mould prestige salt compounds, preferred propamocarb.
Inventor is found by experiment that composition of the invention is for preventing and treating crops bacterium or fungal disease prevention and treatment
Synergy is obvious, it is often more important that amount of application is reduced, and reduces use cost.Compound structure type containing component A and component B is not
Together, mechanism of action is different, and the two compounding can expand fungicidal spectrum, and can delay the production of pathogen resistance to a certain extent
Raw and development speed, and no interactions resistance between component A and component B.
The weight ratio between two components in microbicide compositions of the present invention is 1:1~100, in a preferred embodiment,
Active component A and the weight ratio of active component B are 1:1~90, can be further to make function and effect become apparent from the two weight ratio
It is preferred that 1:10~90.
In a kind of preferred scheme, weight ratio between two component of A and B can arbitrarily in the range of following proportions into
Row adjustment: 1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10,1:11,1:12,1:13,1:14,1:15,1:
16,1:17,1:18,1:19,1:20,1:21,1:22,1:23,1:24,1:25,1:26,1:27,1:28,1:29,1:30,1:
32、1:33、1:34、1:35、1:36、1:37、1:38、1:39、1:40、1:41、1:42、1:43、1:44、1:45、1:46、1:
47、1:48、1:49、1:50、1:51、1:52、1:53、1:54、1:55、1:56、1:57、1:58、159:、1:60、1:61、1:
62、1:63、1:64、1:65、1:66、1:67、1:68、1:69、1:70、1:71、1:72、1:73、1:74、1:75、1:76、1:
77、1:78、1:79、1:80、1:81、1:82、1:83、1:84、1:85、1:86、1:87、1:88、1:89、1:90、1:91、1:
92,1:93,1:94,1:95,1:96,1:97,1:98,1:99,1:100 can also match composed model at any of the above two
Enclose interior selected.
The dosage form allowed on pesticide can be made by active constituent and insecticides adjuvant or auxiliary material in composition of the invention.Into one
Step, the composition is made of the active component of 5~80% parts by weight and the insecticides adjuvant of 95~20% parts by weight to be permitted on pesticide
Perhaps dosage form.
The present invention provides the bactericidal compositions comprising component A and component B in terms of agriculture field prevents and treats corps diseases
Purposes, the especially purposes in terms of the fungi or bacterium for preventing and treating certain crops.
Above-mentioned composition specifically may include insecticides adjuvant or auxiliary material, such as carrier, solvent, dispersing agent, wetting agent, gluing
One or more of agent, thickener, adhesive, surfactant or fertilizer etc..It can be mixed during application common
Auxiliary agent.
Suitable auxiliary agent or auxiliary material can be solid or liquid, they are usually common substance during formulation,
Such as natural or regenerated minerals, solvent, dispersing agent, wetting agent, adhesive, thickener, adhesive.
The method of administration of the present composition includes the aerial part that composition of the invention is used for plant growth, especially
It is leaf portion or blade face.It can choose seed soaking or be applied to controlling object surface.The frequency and amount of application of application depend on pathogen
Biology and weather life condition.The growth place of plant, such as rice field can be soaked with the liquid preparation of composition, or
Composition is applied in soil by person in solid form, and such as in granular form (soil application), composition can be by soil through planting
Object root enters in plant (systemic action).
Composition of the invention can be prepared into various dosage forms pesticide-acceptable, including but not limited to missible oil, suspension
Agent, wettable powder, water dispersible granules, pulvis, granula, aqua, aqueous emulsion, microemulsion, poison bait, mother liquor, female powder etc., in one kind
In preferred embodiment, dosage form of the invention uses aqua, suspending agent, wettable powder, water dispersible granules or microemulsion.According to these
The property and application composition purpose to be achieved and ambient conditions of composition, can choose composition with by spraying, more
Mist dusts, broadcasts sowing or sprinkles the method application poured or the like.
Composition of the invention can be prepared into various dosage forms by known method, can by effective component with help
Agent can uniformly mix together with surfactant when needing, grind, be prepared into required agent such as solvent, solid carrier
Type.
Above-mentioned solvent can be selected from aromatic hydrocarbon, preferably contain 8-12 carbon atom, such as xylene mixture or substituted benzene, phthalein
Esters of gallic acid, such as two octanoic acid of Dibutyl phthalate or phthalandione, fat hydrocarbon, such as thiacyclohexane or paraffin, the ether of pure and mild ethylene glycol and they
And ester, such as ethyl alcohol, ethylene glycol, ethylene glycol monomethyl；Ketone, such as cyclohexanone, highly polar solvent, such as N- methyl -2- pyrrolidines
Ketone, dimethyl sulfoxide or dimethylformamide and vegetable oil or vegetable oil, such as soybean oil.
Above-mentioned solid carrier, such as usually natural mineral fillers, such as talcum, kaolinite for pulvis and dispersible agent
Soil, montmorillonite or atlapulgite.In order to manage the physical property of composition, polymolecularity silicic acid or polymolecularity can also be added
Adsorpting polymerization object carrier, such as granulated adsorptive carriers or non-adsorbed carrier, suitable granulated adsorptive carriers are porous types, it is such as floating
Stone, bentonite or bentonite；Suitable non-adsorbed carrier such as calcite or sand.Further, it is possible to use a large amount of inorganic in nature or having
The prefabricated material to granulate of machine property is as carrier, especially dolomite.
The chemical property of effective component in composition according to the present invention, suitable surfactant are sulfomethylated lignin
Acid, naphthalene sulfonic acids, phenolsulfonic acid, alkali salt or amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, fat
Alcohol sulfate, fatty acid and sulphated fatty alcohol glycol ether, there are also the condensation product of sulfonated naphthalene and naphthalene derivatives and formaldehyde, naphthalene or
The condensation product of naphthalene sulfonic acids and phenol and formaldehyde, NONIN HS 240, ethoxylated isooctyl-phenol, octyl phenol, nonyl phenol,
Alkylaryl polyglycol ether, tributyl benzene polyglycol ether, three stearyl phenyl polyglycol ethers, alkyl aryl polyether alcohol,
Ethoxylated castor oil, polyoxyethylene alkyl ether, ethylene oxide condensation product, ethoxylation polyoxypropylene, laurel acid polyethylene glycol
Ether acetal, sorbitol ester, lignin sulfite waste liquor and methylcellulose.
When preparing liquid dosage form, active component A first can be dissolved in alkaline matter, form benziothiazolinone metal salt, properly
Alkaline matter include: alkali carbonate, alkali metal hydroxide (such as sodium hydroxide, potassium hydroxide), alkali metal alkoxy
Carbonate, alkali metal alcoholates or magnesium methoxide.
Two kinds of effective components show as synergistic effect in composition of the invention, and the activity of the composition is than using individualized
The independent activity of the expected summation of activity and single compound of closing object is more significant.Synergistic effect shows as allowing amount of application
Reduction, broader antifungal control spectrum, quick, more longlasting control efficiency, by a small number of applying only once or several times more
Good control plant pest fungi and broaden the possible administration interval time.These characteristics are plant epiphyte control practices
It especially needs in the process.
In terms of microbicide compositions of the invention can be applied to agriculture field prevention and treatment corps diseases, targeted specific disease
Disease includes but is not limited to peach Bacterial septicaemia syndrome, wildfire, rice sheath blight disease, cucumber bacterial angular leaf spot, cucumber cream
Mildew, bacterial leaf streak of rice, Characters of Erwinia chrysanthemi pv. zeae, Stewart's wilt, watermelon blight, grape downy mildew
Disease, bacterial wilt of tomato, eggplant bacterial wilt, rice green smut, bacterial leaf streak of rice, pepper anthracnose, lichee canker, Portugal
Grape anthracnose, tobacco bacterial wilt, cucumber anthracnose, celery septoria disease, lotus rhizome damping-off, powdery mildew of strawberry, downy mildew of lettuce, celery
Dish gray mold, apricot Bacterial septicaemia syndrome, Peach canker disease, downy mildew, cotton bacterial angular leaf spot, the bacillary leaf of cucumber are withered
Disease etc..
The other features of bactericidal composition of the invention shown are mainly shown as: 1, composition mixture of the invention tool
There is apparent synergistic effect；2, since two single dose chemical structures of this composition are widely different, the mechanism of action is entirely different, no
There are cross resistances, can delay two single doses that generated resistance problem is used alone；3, composition of the invention to crop safety,
Preventive effect is good.Tests prove that microbicide compositions chemical property of the present invention is stablized, synergy is significant, shows to controlling object bright
Aobvious synergy and complementation.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention, any modifications, equivalent replacements and improvementsmade within the spirit and principles of the invention, etc. should be included in
Within protection scope of the present invention.
Percentage is weight percentage in all formulas of following embodiment.The processing work of the various preparations of the present composition
Skill is the prior art, can be varied according to different situations.
One, dosage form prepares embodiment
(1) processing and embodiment of wettable powder
Active components A and B activity ingredient and various auxiliary agents and filler etc. are sufficiently mixed in proportion, through ultrafine crusher powder
Obtained wettable powder after broken.
Embodiment 1:44% benziothiazolinone Propamocarb wettable powder
Benziothiazolinone 4%, Propamocarb 40%, pull open powder 5%, bentonite 1%, alkylsulfonate 3%, white carbon black 5%, diatom
Soil complements to 100%.
Embodiment 2:30.5% benziothiazolinone propamocarb wettable powder
Benziothiazolinone 0.5%, propamocarb 30%, sodium lignin sulfonate 5%, alkyl polyoxyethanyl ether sulfonate 5%,
White carbon black 10%, kaolin complements to 100%.
Embodiment 3:19% benziothiazolinone Propamocarb wettable powder
Benziothiazolinone 0.25%, Propamocarb 18.75%, sodium lignin sulfonate 5%, alkylsulfonate 5%, white carbon black 10%,
Kaolin complements to 100%.
Embodiment 4:86% benziothiazolinone Propamocarb wettable powder
Benziothiazolinone 1%, Propamocarb 85%, bentonite 3%, alkylsulfonate 3%, white carbon black 5%, diatomite complements to
100%.
Embodiment 5:24% benziothiazolinone Propamocarb wettable powder
Benziothiazolinone 0.25%, Propamocarb 23.75%, sodium benzoate 6%, alkyl polyoxyethanyl ether sulfonate 5%, white carbon black
10%, kaolin complements to 100%.
(2) processing and embodiment of suspending agent
By active constituent activity grouping A and active component B, with each components such as dispersing agent, wetting agent, thickener and water by matching
The ratio of side is uniformly mixed, and after sand milling and/or high speed shear, obtains semi-finished product, and water supplement, which is uniformly mixed to filter, after analysis is
Obtain finished product.
Embodiment 6:10% benziothiazolinone propamocarb suspending agent
Benziothiazolinone 5%, propamocarb 5%, white carbon black 4%, ethylene glycol 3%, aliphatic alcohol polyoxyvinethene phosphate
6%, water complements to 100%.
Embodiment 7:21% benziothiazolinone Propamocarb suspending agent
Benziothiazolinone 1%, Propamocarb 20%, bentonite 3%, glycerine 6%, sodium benzoate 2%, methyl naphthalene sulfonic acid sodium formaldehyde
Condensation product 5%, water complements to 100%.
Embodiment 8:20.5% benziothiazolinone Propamocarb suspending agent
Benziothiazolinone 0.5%, Propamocarb 20%, white carbon black 4%, ethylene glycol 5%, sodium lignin sulfonate 7%, xanthan gum 2%,
Water complements to 100%.
Embodiment 9:26% benziothiazolinone propamocarb suspending agent
Benziothiazolinone 1%, propamocarb 25%, bentonite 3%, glycerine 6%, sodium benzoate 2%, methyl naphthalene sulphur
Sour sodium formaldehyde condensation product 5%, water complements to 100%.
Embodiment 10:50.5% benziothiazolinone Propamocarb suspending agent
Benziothiazolinone 0.5%, Propamocarb 50%, white carbon black 4%, ethylene glycol 3%, aliphatic alcohol polyoxyvinethene phosphate 5%,
Water complements to 100%.
(3) processing and embodiment of aqua
Effective component is added in a kettle and auxiliary agent, surplus are supplied with water, and stirs evenly, aqua can be obtained.
Embodiment 11:18% benziothiazolinone Propamocarb aqua
Benziothiazolinone 3%, Propamocarb 15%, fatty alcohol polyoxyethylene ether 10%, ethyl alcohol 5%, surplus is supplied with water.
Embodiment 12:31% benziothiazolinone Propamocarb aqua
Benziothiazolinone 1%, Propamocarb 30%, dimethyl sulfoxide 4%, ethyl alcohol 5%, alkylol sodium sulphate 8%, surplus is mended with water
Foot.
Embodiment 13:25.5% benziothiazolinone Propamocarb aqua
Benziothiazolinone 0.5%, Propamocarb 25%, isopropanol 12%, ethylene glycol 5%, alkylol sodium sulphate 8%, surplus water
It supplies.
Embodiment 14:35.5% benziothiazolinone Propamocarb aqua
Benziothiazolinone 0.5%, Propamocarb 35%, isopropanol 4%, ethyl alcohol 5%, alkylol sodium sulphate 8%, surplus is mended with water
Foot.
Embodiment 15:45.5% benziothiazolinone propamocarb aqua
Benziothiazolinone 0.5%, propamocarb 45%, dimethyl sulfoxide 10%, ethyl alcohol 5%, alkylol sodium sulphate 8%,
Surplus is supplied with water.
Two, drug effect verification test
(1) Assays Example
The incidence that whole strain blade is investigated according to test grade scale, calculates disease index and control efficiency.
Control efficiency is converted into probability value (y), medical fluid does height (μ g/ml) and is converted into logarithm (x), with least square
Method calculates concentration EC50 in virulence equation and inhibition, and the toxicity index grade co-toxicity coefficient (CTC) of medicament is calculated according to Sun Yunpei's Method.
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50) * 100
Percentage composition+B medicament toxicity index * the mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
The percentage composition of middle B
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] * 100
CTC≤80, composition show as antagonism, 80 < CTC < 120, and composition shows as summation action, and CTC >=
120, composition shows as synergistic effect.
1, benziothiazolinone is compounded with Propamocarb tests toxicity test
1. benziothiazolinone of table is compounded with Propamocarb to late blight of potato toxicity test interpretation of result
| Medicament title | EC50(μg/ml) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Propamocarb | 50.54 | 100.00 | \ | \ |
| Benziothiazolinone | 30.56 | 165.38 | \ | \ |
| Benziothiazolinone: Propamocarb=1:100 | 43.57 | 116.00 | 100.65 | 115.25 |
| Benziothiazolinone: Propamocarb=1:95 | 42.40 | 119.21 | 100.68 | 118.40 |
| Benziothiazolinone: Propamocarb=1:90 | 41.17 | 122.75 | 100.72 | 121.87 |
| Benziothiazolinone: Propamocarb=1:85 | 40.41 | 125.05 | 100.76 | 124.11 |
| Benziothiazolinone: Propamocarb=1:80 | 36.92 | 136.88 | 100.81 | 135.78 |
| Benziothiazolinone: Propamocarb=1:75 | 36.43 | 138.74 | 100.86 | 137.56 |
| Benziothiazolinone: Propamocarb=1:70 | 36.09 | 140.06 | 100.92 | 138.78 |
| Benziothiazolinone: Propamocarb=1:60 | 35.63 | 141.85 | 101.07 | 140.35 |
| Benziothiazolinone: Propamocarb=1:50 | 34.98 | 144.50 | 101.28 | 142.67 |
| Benziothiazolinone: Propamocarb=1:40 | 35.39 | 142.81 | 101.59 | 140.57 |
| Benziothiazolinone: Propamocarb=1:30 | 35.72 | 141.47 | 102.11 | 138.55 |
| Benziothiazolinone: Propamocarb=1:20 | 35.98 | 140.47 | 103.11 | 136.23 |
| Benziothiazolinone: Propamocarb=1:10 | 35.40 | 142.78 | 105.94 | 134.77 |
| Benziothiazolinone: Propamocarb=1:5 | 36.04 | 140.23 | 110.90 | 126.45 |
| Benziothiazolinone: Propamocarb=1:1 | 30.83 | 163.95 | 132.69 | 123.56 |
As a result (table 1) shows that benziothiazolinone is compounded with Propamocarb and significantly improves to the control efficiency of the late blight of potato, explanation
The two compounding has significant synergistic effect to late blight of potato prevention and treatment.
(2) field efficacy verification test
Test method: it at the initial stage of a disease, carries out for the first time by spraying, carrying out being administered for second after 7 days immediately, each processing 4
A cell, each 20 square meter of cell.11 days investigation statistics incidences, 5 points of each cell are random before medicine and after second of medicine
Sampling, 5 plants of crops of every investigation, the lesion area for investigating every blade in whole strain account for percentage and the classification of blade area, calculate
Disease index and control efficiency.
It is expected that preventive effect (%)=X+Y-XY/100 (wherein, X, Y are single dose preventive effect)
Grade scale:
0 grade: disease-free spot；
1 grade: leaf spot lesion is less than 5, and length is less than 1cm；
3 grades: leaf spot lesion 6-10, part scab length is greater than 1cm；
5 grades: leaf spot lesion 11-25, part scab is linked to be piece, and lesion area accounts for the 10-25% of leaf area；
7 grades: leaf spot lesion 26 or more, scab is linked to be piece, and lesion area accounts for the 26-50% of leaf area；
9 grades: scab is linked to be piece, lesion area account for 50% of leaf area or more or full leaf it is withered.
1, benziothiazolinone compounds field efficacy experiment with Propamocarb
2 benziothiazolinone of table and Propamocarb mixture are to downy mildew of garpe control efficiency
Measurement result (table 2) shows that benziothiazolinone is significantly improved with preventive effect of the Propamocarb mixture to cucumber downy mildew, illustrates two
Person's compounding has significant synergistic effect to cucumber downy mildew.
Claims (7)
1. a kind of microbicide compositions, it is characterised in that the composition includes two kinds of active components of A and B, wherein active group
Dividing A is benziothiazolinone, and active component B is Propamocarb or derivatives thereof, and the weight ratio between two components is 1:1~90；Active component
The derivative of Propamocarb is Propamocarb salt.
2. microbicide compositions according to claim 1, it is characterised in that the weight ratio of active component A and active component B
For 1:10~90.
3. microbicide compositions according to claim 1, it is characterised in that the preferred propamocarb of Propamocarb salt.
4. microbicide compositions according to claim 1, it is characterised in that the composition is by active constituent and insecticides adjuvant
Or the dosage form allowed on pesticide is made in auxiliary material.
5. microbicide compositions according to claim 4, it is characterised in that the dosage form is wettable powder, suspending agent
Or aqua.
6. microbicide compositions according to claim 4, it is characterised in that the insecticides adjuvant or auxiliary material are selected from carrier, molten
One or more of agent, dispersing agent, wetting agent, adhesive, thickener, adhesive, surfactant or fertilizer.
7. microbicide compositions described in any one of claim 1~6 are in terms of agriculture field prevents and treats corps diseases
Purposes.
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| US20150126479A1 (en) * | 2011-05-13 | 2015-05-07 | Isp Investments Inc. | Aqueous solutions of 1,2-benzisothiazolin-3-one |
| CN102763657B (en) * | 2012-08-13 | 2014-09-17 | 江苏辉丰农化股份有限公司 | Germicide composite with synergistic effect |
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