CN106259432A - A kind of microbicide compositions - Google Patents
A kind of microbicide compositions Download PDFInfo
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- CN106259432A CN106259432A CN201610637534.4A CN201610637534A CN106259432A CN 106259432 A CN106259432 A CN 106259432A CN 201610637534 A CN201610637534 A CN 201610637534A CN 106259432 A CN106259432 A CN 106259432A
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- China
- Prior art keywords
- prochloraz
- sulfur
- active component
- manganese chloride
- microbicide compositions
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/02—Sulfur; Selenium; Tellurium; Compounds thereof
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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
- A01N47/28—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention provides a kind of microbicide compositions, said composition comprises two kinds of effective constituents A and B, and active component A is sulfur, and active component B is the one in prochloraz-manganese chloride complex, prochloraz nantokite, and the weight ratio between two components is 1:30～30:1.Present invention also offers the Preparation method and use of said composition.Result of the test shows, the above-mentioned bactericidal composition potentiation that the present invention provides is obvious, it is often more important that amount of application reduces, and use cost reduces.This bactericidal composition can effectively prevent and treat some specific fungal disease of crop.By being compounded by the antibacterial of different mechanism of action and model of action, effectively reduce the amount of application of each single dose, for expanding fungicidal spectrum and delaying fungus resistant and improve the aspects such as prevention effect there is well effect.
Description
Technical field
The invention belongs to agriculture plant protection field, particularly relate to a kind of bactericidal composition having and improving performance, tool
Say body and relate to a kind of bactericidal composition comprising sulfur and prochloraz-manganese chloride complex or prochloraz nantokite.
Background technology
Sulfur (sulfur) is a kind of traditional inorganic sulfur protective fungicide.Its mechanism of action is to act on oxidoreduction
During electron transfer process between cytochrome b and c, capture electronics, disturb normal oxidation-reduction reaction, and cause
Pathogenic bacteria is dead.Applicable crops and the controlling object sulfur scope of application widely, are respectively provided with good preventing to many kind pest and disease damages
Control effect.Production is mainly used in prevent and treat wheat crops powdery mildew, cucurbits powdery mildew, charcoal pestilence, Asparagus Stem Blight, Semen arachidis hypogaeae tikka
Sick (brown spot, melasma, net blotch etc.), apple mildew, canker, Fungus of Pear Canker Disease, powdery mildew, pear sucker, Fructus Persicae leaf curl
Disease, brown rot, anthrax, the abnormal fruit disease of wart demodicid mite, uncinula necator, felt are sick, Fructus Crataegi powdery mildew, citrus scab, anthrax, white
Powder is sick, rust mite, Fructus Lycii rust mite, flowers powdery mildew, leaf spot, Oidium heveae and closed environment fumigation etc..
Prochloraz-manganese chloride complex and prochloraz nantokite are a kind of complex of bactericide prochloraz, prochloraz-manganese chloride complex, Prochloraz
Mantoquita have interior suction, conduct, prevent, protect, the multiple action such as treatment, belong to imidazoles antibacterial, with manganese chloride, manganese sulfate,
Copper chloride or Copper Sulfate Complexes are effective ingredient, and various crop disease microbial to ascus has specially good effect.Prochloraz-manganese chloride complex or
Mantoquita is worked by the biosynthesis of suppression sterol.It is used primarily for Prochloraz cream easily to cause on the crop of poisoning
The disease caused various crop by ascomycetes and Fungi Imperfecti has obvious preventive effect, it is also possible to most of antibacterial, sterilization
Agent, Insecticides (tech) & Herbicides (tech) are used with, all have preferable prevention effect.To on field crop, fruit and vegetable, turf and ornamental plant
Multiple diseases have treatment and eradicant action.
Actual pesticide experience have shown that, repeats and single-minded one reactive compound of using is to prevent and treat harmful fungoid very
The fast selective of fungal bacterial strain will be caused in the case of Duo, the most dangerous, the most generally for reducing refractory fungal bacterial strain
The mixture using different activities compound prevents and treats harmful fungoid.By the reactive compound with the different mechanism of action is entered
Row combination, delaying drug resistance can produce, reduces amount of application, reduce cost accounting.
Summary of the invention
It is an object of the invention to, for antibacterial resistance in actual applications and pedo relict problem, filter out two kinds not
Compound with the antibacterial of sterilizing mechanisms, obtain a kind of microbicide compositions, to improve bactericidal agent for preventing and treating effect, delaying drug resistance
Produce, reduce amount of application, reduce cost accounting.
It is a further object to provide comprise two kinds of effective constituents A and the preparation method of B bactericidal composition and
The application of agriculture field preventing and treating corps diseases.
The purpose of the present invention can be reached by following measures:
A kind of microbicide compositions, it is characterised in that described compositions comprises two kinds of active components of A and B, wherein activity
Component A is sulfur, and active component B is the one in prochloraz-manganese chloride complex, prochloraz nantokite.
Inventor is found by experiment that, the compositions of the present invention is bright for preventing and treating controlling fungal diseases of crop preventing and treating potentiation
Aobvious, it is often more important that amount of application reduces, reduce use cost.Different from the compound structure type of component B containing component A, make
Different by mechanism, both compounding fungicidal spectrums that can expand, and can delay to a certain extent pathogen resistance generation and
No interactions resistance between development speed, and component A and component B.
The weight ratio between two components in microbicide compositions of the present invention is 1:30～30:1, preferably 1:20～20:1,
For making the drug effect potentiation between two components the most notable, the weight ratio between weight two component of component A and component B can be entered
One-step optimization is to 1:10～10:1, and particularly preferred ratio is 1:2～2:1.In a kind of scheme, the weight ratio between two components
Can 1:30,1:29,1:28,1:27,1:26,1:25,1:24,1:24,1:22,1:21,1:20,1:19,1:18,1:17,
1:16、1:15、1:14、1:13、1:12、1:11、1:10、1:9、1:8、1:7、1:6、1:5、1:4、1:3、1:2、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、2:3、3:2、2:5、5:2、3:4、4:
3, these ratios of 5:2,2:5,5:3,3:5,5:4,4:5 select.These ratios can be understood as weight ratio, it is also possible to includes rubbing
You compare.
The compositions of the present invention can be made, by active component and insecticides adjuvant, the dosage form allowed on pesticide.Further,
Said composition by 5～90% weight portion active component with 95～10% the insecticides adjuvant of weight portion form the agent of permission on pesticide
Type.
The invention provides and comprise killing of component A (sulfur) and component B (prochloraz-manganese chloride complex or the one of prochloraz nantokite)
Bacteria composition purposes in terms of agriculture field preventing and treating corps diseases, particularly at preventing and treating garlic leaf blight, rice blast
Or the purposes in terms of wheat scab.
Above-mentioned composition specifically can comprise insecticides adjuvant, such as carrier, solvent, dispersant, wetting agent, adhesive, thickening
One or more in agent, binding agent, surfactant etc..Conventional auxiliary agent can be mixed during using.
Suitably auxiliary agent can be solid or liquid, the material that they are conventional during being typically formulation, such as sky
Mineral that is right or that regenerate, solvent, dispersant, wetting agent, adhesive, thickening agent, binding agent or fertilizer.
The application process of the present composition includes the aerial parts that the compositions of the present invention is used for plant growing, especially
It is leaf portion or blade face.Seed soaking can be selected or be applied in controlling object surface.Frequency and the amount of application used depend on pathogen
Biology and weather conditions of existence.The growth place of plant, such as rice field, can be soaked with the liquid preparation of compositions, or
Compositions is applied in soil by person in solid form, and as in granular form (soil application), compositions can be by soil through planting
Thing root enters in plant (systemic action).
These compositionss can only comprise active component and be administered, it is also possible to mix together with additive (insecticides adjuvant)
Close and use.
The compositions of the present invention can be prepared as acceptable dosage form on pesticide, such as wettable powder, suspending agent, moisture
Shot agent, aqueous emulsion or microemulsion.Character according to these compositionss and use compositions purpose to be reached and environment
Situation, can select compositions with spraying, atomizing, dust, broadcast sowing or sprinkle the method watered or the like and use.
The compositions of the present invention can be prepared as various dosage form by available known method, can by effective ingredient with help
Agent, such as solvent, solid carrier, can uniformly mix together with surfactant when needing, grind, be prepared as required agent
Type.
Above-mentioned solvent is selected from aromatic hydrocarbon, preferably containing 8-12 carbon atom, such as xylene mixture or substituted benzene, phthalein
Esters of gallic acid, such as Dibutyl phthalate or phthalandione two octanoic acid, fat hydrocarbon, such as thiacyclohexane or paraffin, alcohol and ethylene glycol and their ether
And ester, such as ethanol, ethylene glycol, ethylene glycol monomethyl；Ketone, such as cyclohexanone, highly polar solvent, such as N-methyl-2-pyrrolidine
Ketone, dimethyl sulfoxide or dimethylformamide, and vegetable oil or vegetable oil, such as soybean oil.
Above-mentioned solid carrier, as powder and the typically natural mineral fillers, such as Talcum, kaolinite that dispersible agent
Soil, montmorillonite or active hargil.In order to manage the physical property of compositions, it is also possible to add polymolecularity silicic acid or polymolecularity
Adsorpting polymerization thing carrier, such as granulated adsorptive carriers or non-adsorbed carrier, suitable granulated adsorptive carriers is porous type, as floating
Stone, Bentonite or bentonite；Suitably non-adsorbed carrier such as calcite or sand.Further, it is possible to use substantial amounts of inorganic in nature or have
Machine character be prefabricated into granular material as carrier, particularly dolomite.
According to the chemical property of the effective ingredient in the compositions of the present invention, suitable surfactant is sulfomethylated lignin
Acid, LOMAR PWA EINECS 246-676-2, phenolsulfonic acid, alkali salt or amine salt, alkylaryl sulfonates, alkyl sulfate, alkylsulfonate, fat
Alcohol sulfate, fatty acid and sulphated fatty alcohol glycol ether, the also condensation substance of sulfonated naphthalene and naphthalene derivatives and formaldehyde, naphthalene or
LOMAR PWA EINECS 246-676-2 and phenol and the condensation substance of 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 substance, ethoxylation polyoxypropylene, lauric acid Polyethylene Glycol
Ether acetal, sorbitol ester, lignin sulfite waste liquor and methylcellulose.
In the compositions of the present invention, two kinds of effective ingredient show as synergistic effect, and the specific activity of said composition uses individualized
The activity expection summation of compound, and the independent activity of individualized compound is the most notable.Synergistic effect shows as allowing amount of application
Reduce, broader antifungal controls spectrum, instant effect, more longlasting prevention effect, pass through only once or minority is used more several times
Good controls plant pest fungus and broadens the possible administration interval time.These characteristics are that plant epiphyte controls practice
During especially need.
Other feature shown of the bactericidal composition of the present invention mainly shows themselves in that 1, the compositions mixture of present invention tool
There is obvious potentiation；2, widely different due to two single dose chemical constitutions of this compositions, the mechanism of action is entirely different, no
There is cross resistance, two single doses can be delayed to be used alone produced resistance problem；3, the compositions of the present invention to crop safety,
Preventive effect is good.Tests prove that, microbicide compositions stable chemical nature of the present invention, potentiation is notable, shows controlling object bright
Aobvious potentiation and complementary action.
The compositions of the present invention is different from existing disclosed sulfur and the compositions processing of Prochloraz and application technology, as specially
The open file of profit Application No. 2013103193571, patent name is: containing the agriculturally useful compositions of sulfur.This technology and basis
Differring primarily in that of invention:
Firstly, since the physicochemical property factor of Prochloraz self, the former medicine of Prochloraz is liquid form, is soluble in organic solvent
Such as toluene, dimethylbenzene, water insoluble, therefore Prochloraz is only capable of being processed into cream and aqueous emulsion agent.Therefore Prochloraz and sulfur
In respective physicochemical property, determine sulfur and Prochloraz and be only capable of selecting cream and water and milk in dosage form selection in dosage form selection
The dosage form of agent.And the physicochemical property of prochloraz-manganese chloride complex or prochloraz nantokite is entirely different with Prochloraz, first prochloraz-manganese chloride complex and
Prochloraz nantokite is solid form, and selectable dosage form is by wettable powder, water dispersible granules, suspending agent etc..
Secondly, in application, prochloraz-manganese chloride complex or prochloraz nantokite, with Prochloraz-manganese chloride or Prochloraz-copper sulfide
Complex is effective ingredient.Compared with Prochloraz, the safety of this medicine increases, it is adaptable to use Prochloraz cream easily to cause
The crop of poisoning, such as Bulbus Allii, Chinese cabbage etc., same dose Prochloraz and sulfur compositions, prochloraz-manganese chloride complex or prochloraz nantokite with
The integrated control effect that the composition for preventing and controlling garlic leaf blight of sulfur is displayed differs greatly and (verifies medicine see field of the present invention
Effect experiment (3)).Manganese in manganese chloride or copper chloride or copper, itself just have bactericidal action, in the case of consumption is suitable, and miaow
Fresh amine manganese salt or prochloraz nantokite are better than Prochloraz to the prevention effect being suitable for disease.Therefore sulfur is fresh with prochloraz-manganese chloride complex or miaow
The compositions of amine mantoquita is preventing and treating the widespread popularity of crop, the safety to crop, and in prevention effect, is all higher than sulfur
Sulphur and the compositions of Prochloraz.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, to the present invention
It is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included in
Within protection scope of the present invention.
In all formula of following example, percentage ratio is all weight percentage.The processing work of the various preparation of the present composition
Skill is prior art, can be varied from according to different situations.
One, dosage form prepares embodiment
(1) processing of water dispersible granules and embodiment
By active component sulfur and prochloraz-manganese chloride complex, the one of prochloraz nantokite, with auxiliary agent and filler in the ratio of formula
Mix homogeneously, becomes wettable powder through comminution by gas stream, adds a certain amount of water mixing extruder grain, prepares after drying screening
Water dispersible granules product.
Embodiment 1:62% sulfur prochloraz-manganese chloride complex water dispersible granules
Sulfur 60%, prochloraz-manganese chloride complex 2%, ammonium sulfate 1%, Negel 3%, dodecyl sodium sulfate 2%, gently
Matter calcium carbonate complements to 100%.
Embodiment 2:50% sulfur prochloraz-manganese chloride complex water dispersible granules
Sulfur 25%, prochloraz-manganese chloride complex 25%, sodium lignin sulfonate 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, ten
Sodium dialkyl sulfate 3%, kieselguhr complements to 100%.
Embodiment 3:62% sulfur prochloraz-manganese chloride complex water dispersible granules
Sulfur 2%, prochloraz-manganese chloride complex 60%, dodecyl sodium sulfate 4%, xanthan gum 3%, carboxymethyl starch sodium 1%, wood
Quality sodium sulfonate 6%, attapulgite complements to 100%.
Embodiment 4:62% sulfur prochloraz nantokite water dispersible granules
Sulfur 60%, prochloraz nantokite 2%, ammonium sulfate 1%, organic silicone 2%, sodium alginate 4%, methyl naphthalene sulfonic acid sodium
Formaldehyde condensation products 2%, bentonite complements to 100%.
Embodiment 5:40% sulfur prochloraz nantokite water dispersible granules
Sulfur 20%, prochloraz nantokite 20%, ammonium sulfate 5%, Negel 2%, dodecyl sodium sulfate 3%,
Precipitated calcium carbonate complements to 100%.
Embodiment 6:62% sulfur prochloraz nantokite water dispersible granules
Sulfur 2%, prochloraz nantokite 60%, methyl naphthalene sulfonate formaldehyde condensate 5%, sodium lignin sulfonate 5%, 12
Alkyl sodium sulfate 3%, kieselguhr complements to 100%.
(2) processing of suspending agent and embodiment
By active component sulfur and prochloraz-manganese chloride complex or prochloraz nantokite, each with dispersant, wetting agent, thickening agent and water etc.
Component is in the ratio mix homogeneously of formula, after sand milling and/or high speed shear, obtains semi-finished product, adds water mixing all after analysis
Even filtration gets product.
Embodiment 7:22% sulfur prochloraz-manganese chloride complex suspending agent
Sulfur 2%, prochloraz-manganese chloride complex 20%, xanthan gum 3%, bentonite 4%, Magnesiumaluminumsilicate 2%, ethylene glycol 2%, wooden
Element sodium sulfonate 7%, water complements to 100%.
Embodiment 8:33% sulfur prochloraz-manganese chloride complex suspending agent
Sulfur 30%, prochloraz-manganese chloride complex 3%, bentonite 4%, glycerol 3%, methyl naphthalene sulfonate formaldehyde condensate 5%,
Water complements to 100%.
Embodiment 9:22% sulfur prochloraz nantokite suspending agent
Sulfur 20%, prochloraz nantokite 2%, white carbon 3%, glycerol 6%, sodium benzoate 2%, aliphatic alcohol polyethenoxy
Ether phosphate 7%, water complements to 100%.
Embodiment 10:22% sulfur prochloraz nantokite suspending agent
Sulfur 2%, prochloraz nantokite 20%, white carbon 4%, ethylene glycol 5%, sodium lignin sulfonate 7%, xanthan gum 2%,
Water complements to 100%.
(3) processing of wettable powder and embodiment
By a kind of of active component sulfur A and B activity composition prochloraz-manganese chloride complex or prochloraz nantokite and various auxiliary agent and fill out
Material etc. is sufficiently mixed in proportion, prepares wettable powder after ultra-fine pulverizer disintegrating.
Embodiment 11:42% sulfur prochloraz-manganese chloride complex wettable powder
Sulfur 40%, prochloraz-manganese chloride complex 2%, dodecylbenzene sodium sulfonate 2%, calcium lignosulfonate 3%, bentonite 3%,
Attapulgite complements to 100%.
Embodiment 12:42% sulfur prochloraz-manganese chloride complex wettable powder
Sulfur 2%, prochloraz-manganese chloride complex 40%, pull open powder 2%, bentonite 1.5%, alkyl polyoxyethanyl ether sulfonate 1%,
White carbon 2%, kieselguhr complements to 100%.
Embodiment 13:42% sulfur prochloraz nantokite wettable powder
Sulfur 40%, prochloraz nantokite 2%, sodium lignin sulfonate 6%, alkylsulfonate 7%, white carbon 10%, kaolinite
Soil complements to 100%.
Embodiment 14:42% sulfur prochloraz nantokite wettable powder
Sulfur 2%, prochloraz nantokite 40%, sodium lignin sulfonate 6%, white carbon 4%, NONIN HS 240
2%, kieselguhr complements to 100%.
Two, drug effect checking test
(1) Assays Example
Investigate the incidence of whole strain blade according to test grade scale, calculate disease index and prevention effect.
Prevention effect is converted into probability value (y), and medicinal liquid is done height (μ g/ml) and is converted into logarithm value (x), with least square
Method calculates concentration EC50 in virulence equation and suppression, calculates toxicity index level co-toxicity coefficient (CTC) of medicament according to the abundant method of Sun Yun.
Actual measurement 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 actual measurement toxicity index (ATI)/mixture theory toxicity index (TTI)] * 100
CTC≤80, compositions shows as antagonism, 80 ＜ CTC ＜ 120, and compositions shows as summation action, CTC >=
120, compositions shows as potentiation.
1, sulfur is compounding with prochloraz-manganese chloride complex tests wheat scab toxicity test
Table 1 sulfur is compounding with prochloraz-manganese chloride complex to wheat scab toxicity test interpretation of result
| Medicament title | EC50(μg/ml) | ATI | TTI | Co-toxicity coefficient (CTC) |
| Sulfur | 8.58 | 100.00 | / | / |
| Prochloraz-manganese chloride complex | 6.13 | 140.00 | / | / |
| Proportioning sulfur: prochloraz-manganese chloride complex=30:1 | 2.57 | 139.32 | 101.30 | 137.54 |
| Proportioning sulfur: prochloraz-manganese chloride complex=20:1 | 4.88 | 175.84 | 101.91 | 172.54 |
| Proportioning sulfur: prochloraz-manganese chloride complex=10:1 | 4.26 | 201.39 | 101.34 | 198.73 |
| Proportioning sulfur: prochloraz-manganese chloride complex=1:1 | 2.44 | 351.87 | 120.10 | 292.98 |
| Proportioning sulfur: prochloraz-manganese chloride complex=1:10 | 3.35 | 255.78 | 136.55 | 187.32 |
| Proportioning sulfur: prochloraz-manganese chloride complex=1:20 | 4.04 | 212.61 | 138.29 | 153.75 |
| Proportioning sulfur: prochloraz-manganese chloride complex=1:30 | 4.63 | 185.12 | 138.90 | 133.27 |
Result (table 1) shows, sulfur prevention effect to wheat scab compounding with prochloraz-manganese chloride complex significantly improves, explanation
The two compounding prevents and treats wheat scab has significant potentiation.Especially sulfur and prochloraz-manganese chloride complex proportioning at 1:30～
Between 30:1, the co-toxicity coefficient of sulfur and prochloraz-manganese chloride complex is all more than 130, and potentiation is obvious.
2, sulfur is compounding with prochloraz nantokite salt tests rice blast toxicity test
Table 2 sulfur is compounding with prochloraz nantokite to rice blast toxicity test interpretation of result
Result (table 2) shows, sulfur prevention effect to rice blast compounding with prochloraz nantokite significantly improves, explanation
The two compounds and has significant synergies rice blast, and especially sulfur and prochloraz nantokite proportioning are at 1:30～30:1
Between, the co-toxicity coefficient of sulfur and prochloraz nantokite is all more than 130, and potentiation is obvious.
Table 3 sulfur is compounding with Prochloraz to Cabbage Leaf Spot toxicity test interpretation of result
Result (table 3) shows, sulfur and Prochloraz or prochloraz nantokite or prochloraz-manganese chloride complex are compounding to Cabbage Leaf Spot
Prevention effect all has a potentiation, but the compounding effect sulfur to be significantly higher than of sulfur and prochloraz nantokite or prochloraz-manganese chloride complex with
Compounding of Prochloraz.
(2) field efficacy checking test
Test method: at the initial stage of a disease, carries out immediately spraying for the first time, carries out second time dispenser, each process 4 after 7 days
Individual community, each community 20 square meter.10 days investigation statistics incidences before medicine and after second time medicine, 5, each community is random
Sampling, every some investigation 5 strain crops, investigate the lesion area of every blade in whole strain and account for percentage rate the classification of blade area, calculate
Disease index and prevention effect.
Expection preventive effect (%)=X+Y-XY/100 (wherein, X, Y are single dose preventive effect)
Grade scale:
0 grade: without scab；
1 grade: leaf spot lesion is less than 5, length is less than 1cm；
3 grades: leaf spot lesion 6-10, part scab length is more than 1cm；
5 grades: leaf spot lesion 11-25, part scab is linked to be sheet, and lesion area accounts for the 10-25% of leaf area；
7 grades: leaf spot lesion more than 26, scab is linked to be sheet, and lesion area accounts for the 26-50% of leaf area；
9 grades: scab is linked to be sheet, more than the 50% or full leaf that lesion area accounts for leaf area is withered.
(1) field control effectiveness test that sulfur is sick to rice blast with prochloraz-manganese chloride complex mixture
Table 4 sulfur and prochloraz-manganese chloride complex mixture are to rice blast prevention effect
Measurement result (table 4) shows, sulfur preventive effect to preventing and treating rice blast compounding with prochloraz-manganese chloride complex significantly improves,
Illustrating the two to compound rice blast has significant potentiation.
(2) sulfur and the prochloraz nantokite mixture field control effectiveness test to wheat scab
Table 5 sulfur and the prochloraz nantokite mixture prevention effect to wheat scab
Measurement result (table 5) shows, the preventive effect of wheat scab is significantly improved by sulfur with prochloraz nantokite mixture, explanation
The two compounds significant potentiation to wheat scab.
(3) sulfur and prochloraz nantokite or the manganese salt mixture field control effectiveness test to garlic leaf blight
Table 6 sulfur and prochloraz nantokite or the manganese salt mixture prevention effect to garlic leaf blight
Measurement result (table 6) shows, sulfur and prochloraz nantokite or prochloraz-manganese chloride complex mixture are anti-to the leaf blight of Bulbus Allii
Effect significantly improves, and illustrates that the two compounding has significant potentiation to garlic leaf blight disease.And sulfur and Prochloraz is compounding right
Bulbus Allii has certain preventive effect, but the preparation of the preparation of this combination and sulfur and prochloraz nantokite or manganese salt composition has significant difference,
Especially sulfur+Prochloraz has large effect to Bulbus Allii safety, especially with the increase of the ratio of Prochloraz consumption, right
The poisoning of Bulbus Allii is the most serious.
Claims (9)
1. a microbicide compositions, it is characterised in that described compositions comprises two kinds of active components of A and B, wherein activity group
Dividing A is sulfur, and active component B is the one in prochloraz-manganese chloride complex, prochloraz nantokite, and the weight ratio between two components is 1:
30～30:1.
Microbicide compositions the most according to claim 1, it is characterised in that active component sulfur and the weight of prochloraz-manganese chloride complex
Amount ratio is 1:20～20:1, and the weight ratio of active component sulfur and prochloraz nantokite is 1:20～20:1.
Microbicide compositions the most according to claim 2, it is characterised in that active component sulfur and the weight of prochloraz-manganese chloride complex
Amount ratio is 1:10～10:1, and the weight ratio of active component sulfur and prochloraz nantokite is 1:10～10:1.
4. according to the microbicide compositions described in claim 1,2 or 3, it is characterised in that said composition is by active component and pesticide
The dosage form allowed on pesticide made by auxiliary agent.
5. according to the microbicide compositions described in claim 1,2 or 3, it is characterised in that said composition is by 5～90% weight portion
Active component with 95～10% weight portion insecticides adjuvant composition pesticide on allow dosage form.
6. according to the microbicide compositions described in claim 4 or 5, it is characterised in that described dosage form is wettable powder, hangs
Floating agent, water dispersible granules, aqueous emulsion or microemulsion.
7. according to the microbicide compositions described in claim 4 or 5, it is characterised in that described insecticides adjuvant selected from carrier, solvent,
One or more in dispersant, wetting agent, adhesive, thickening agent, binding agent, surfactant or fertilizer.
8. the purposes in terms of agriculture field preventing and treating corps diseases of the microbicide compositions described in claim 1,2 or 3.
9. the microbicide compositions described in claim 1,2 or 3 is in preventing and treating garlic leaf blight, rice blast or wheat scab
The purposes of aspect.
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| CN201610637534.4A CN106259432A (en) | 2016-08-07 | 2016-08-07 | A kind of microbicide compositions |
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| CN201610637534.4A CN106259432A (en) | 2016-08-07 | 2016-08-07 | A kind of microbicide compositions |
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Application publication date: 20170104 |