CN109090122A - A kind of bactericidal composition - Google Patents
A kind of bactericidal composition Download PDFInfo
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- CN109090122A CN109090122A CN201811239500.5A CN201811239500A CN109090122A CN 109090122 A CN109090122 A CN 109090122A CN 201811239500 A CN201811239500 A CN 201811239500A CN 109090122 A CN109090122 A CN 109090122A
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- China
- Prior art keywords
- fluxapyroxad
- dichlobentiazox
- bactericidal composition
- preparation
- mass
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Classifications
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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
- 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
-
- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
Abstract
The present invention relates to a kind of bactericidal compositions；Specifically, the present invention relates to a kind of bactericidal composition containing Dichlobentiazox and fluxapyroxad and preparation and its applications, it is 1~90 mass % that wherein effective component Dichlobentiazox and the mass ratio of fluxapyroxad, which are the total content of 1~10: 5~1, Dichlobentiazox and fluxapyroxad in bactericidal composition,.Bactericidal composition of the invention and single fungicide compare, and show apparent synergistic effect to the prevention and treatment of rice blast.Bactericidal composition and preparation of the present invention are also applied for the prevention and treatment of anthracnose, powdery mildew, gray mold, rust, scab, leaf spot or downy mildew.
Description
Technical field
The present invention relates to technical field of pesticide, and in particular to a kind of containing Dichlobentiazox and fluxapyroxad
Bactericidal composition.
Background technique
Dichlobentiazox (test code number KIF-1629) is the benzo of Japanese Kumiai Chemical Industry Co., Ltd.'s exploitation
Thiazoles fungicide is mainly used for preventing and treating rice disease.CAS accession number is 957144-77-3, and structural formula is as follows:
Fluxapyroxad be BASF AG discovery biphenyl pyrazol acid amide fungicide, have efficiently, wide spectrum, holding effect,
The strong and excellent uptake and translocation of selectivity, takes in preventive and therapeutic action concurrently.It can inhibit spore-germination, gemma pipe elongation,
Mycelial growth and sporogenesis, can effectively prevent cereal, soybean, corn, rape, fruit tree, vegetables, beet, peanut, cotton,
The Major Diseases of lawn and special crop etc..CAS accession number is 907204-31-3, and structural formula is as follows:
Pesticide to agricultural production and guarantees that the high yield of grain is done as a part indispensable in agricultural production process
Tremendous contribution.But with regard to China's status from the point of view of, since the popularity of scientific knowledge and environmental consciousness is lower, lead to agricultural
Indiscriminate use of pesticide is serious in production, and it is more and more stronger to the resistance of pesticide to cause many diseases, causes the usage amount of pesticide year by year
Increase, so that environmental pressure is increasingly severe.Therefore the reasonable fungicide using pesticide and preparation compounding kills to expand
Bacterium spectrum and the resistance for reducing disease are extremely urgent.
Summary of the invention
Contain in order to solve the above technical problems, the present invention based on the indoor screening and field trials, provides one kind
The highly effective pesticide bactericidal composition of Dichlobentiazox and fluxapyroxad.The bactericidal composition is applied widely, effect
It is good, at low cost, residual is low, safe for human, animal and environment, and two kinds of fungicide active ingredients show significant synergy
Effect, while in order to further increase synergistic function, matter of the present invention also to Dichlobentiazox and fluxapyroxad
Amount ratio is advanced optimized, such as:
In some embodiments, in bactericidal composition Dichlobentiazox and the mass ratio of fluxapyroxad be 1~
20: 15~1.
Further, in bactericidal composition Dichlobentiazox and the mass ratio of fluxapyroxad be 1~15: 10~
1。
Further, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~10: 10 in bactericidal composition
~1.
Preferably, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~10: 5~1 in bactericidal composition.
It is highly preferred that Dichlobentiazox and the mass ratio of fluxapyroxad are 1~5: 5~1 in bactericidal composition.
Specifically, Dichlobentiazox and the mass ratio of fluxapyroxad are 1: 1,1: 3,1: 5,1 in bactericidal composition
: 10,3: 1,5: 1,10: 1,4: 1 or 1: 4.
In other embodiments, Dichlobentiazox and fluxapyroxad always containing in bactericidal composition
Amount is 1~90 mass %.
Further, the total content of Dichlobentiazox and fluxapyroxad in bactericidal composition is 10~60 matter
Measure %.
Preferably, the total content of Dichlobentiazox and fluxapyroxad in bactericidal composition is 10~45 matter
Measure %.
Specifically, the total content of Dichlobentiazox and fluxapyroxad in bactericidal composition is 10 mass %, 15
Quality %, 25 mass %, 30 mass % or 45 mass %.
On the other hand, the present invention provides a kind of bactericidal composition comprising Dichlobentiazox and fluxapyroxad and exists
Prevent and treat the application in rice blast, anthracnose, powdery mildew, gray mold, rust, scab, leaf spot or downy mildew.
On the other hand, the present invention provides a kind of bactericidal composition comprising Dichlobentiazox and fluxapyroxad
Preparation, the dosage form of the preparation be missible oil, aqueous emulsion, microemulsion, suspending agent, granule, wettable powder, water dispersible granules,
Microcapsule formulations or microcapsule suspending agent.
In some embodiments, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~20: 15 in preparation
~1.
Further, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~15: 10~1 in preparation.
Further, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~10: 10 in bactericidal composition
~1.
Preferably, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~10: 5~1 in bactericidal composition.
It is highly preferred that Dichlobentiazox and the mass ratio of fluxapyroxad are 1~5: 5~1 in preparation.
Specifically, Dichlobentiazox and the mass ratio of fluxapyroxad are 1: 1,1: 3,1: 5,1: 10,3 in preparation:
1,5: 1,10: 1,4: 1 or 1: 4.
In other embodiments, Dichlobentiazox and the total content of fluxapyroxad in the formulation be 1~
90 mass %.
Further, Dichlobentiazox and the total content of fluxapyroxad in the formulation are 10~60 mass %.
Preferably, Dichlobentiazox and the total content of fluxapyroxad in the formulation are 10~45 mass %.
It is further preferred that Dichlobentiazox and the total content of fluxapyroxad in the formulation are 10~30 matter
Measure %.
Specifically, Dichlobentiazox and the total content of fluxapyroxad in the formulation are 10 mass %, 15 matter
Measure %, 25 mass %, 30 mass % or 45 mass %.
On the other hand, the present invention provides the preparation of the bactericidal composition comprising Dichlobentiazox and fluxapyroxad
Application in prevention and treatment rice blast, anthracnose, powdery mildew, gray mold, rust, scab, leaf spot or downy mildew.
Finally, the present invention also provides the method for controlling plant disease, the method includes to the plant or plant
Apply a effective amount of bactericidal composition comprising Dichlobentiazox and fluxapyroxad or the system comprising the composition in part
Agent.
Detailed description of the invention
The present invention provides bactericidal composition or preparation comprising Dichlobentiazox and fluxapyroxad, can generate
Synergistic function keeps good effect while amount of application reduces, improves safety in utilization.
On the one hand, the present invention provides a kind of bactericidal composition, and the active constituent of the bactericidal composition includes Dichlobenti
Azox and fluxapyroxad.
In some embodiments, in bactericidal composition Dichlobentiazox and the mass ratio of fluxapyroxad be 1~
20: 15~1.
Further, in bactericidal composition Dichlobentiazox and the mass ratio of fluxapyroxad be 1~15: 10~
1。
Further, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~10: 10 in bactericidal composition
~1.
Preferably, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~10: 5~1 in bactericidal composition.
It is highly preferred that Dichlobentiazox and the mass ratio of fluxapyroxad are 1~5: 5~1 in bactericidal composition.
Specifically, Dichlobentiazox and the mass ratio of fluxapyroxad are 1: 1,1: 3,1: 5,1 in bactericidal composition
: 10,3: 1,5: 1,10: 1,4: 1 or 1: 4.
In other embodiments, Dichlobentiazox and fluxapyroxad always containing in bactericidal composition
Amount is 1~90 mass %.
Further, the total content of Dichlobentiazox and fluxapyroxad in bactericidal composition is 10~60 matter
Measure %.
Preferably, the total content of Dichlobentiazox and fluxapyroxad in bactericidal composition is 10~45 matter
Measure %.
It is further preferred that the total content of Dichlobentiazox and fluxapyroxad in bactericidal composition be 10~
30 mass %.
Specifically, the total content of Dichlobentiazox and fluxapyroxad in bactericidal composition is 10 mass %, 15
Quality %, 25 mass %, 30 mass % or 45 mass %.
On the other hand, the present invention provides a kind of bactericidal composition comprising Dichlobentiazox and fluxapyroxad and exists
Prevent and treat the application in rice blast, anthracnose, powdery mildew, gray mold, rust, scab, leaf spot or downy mildew.
On the other hand, the present invention provides a kind of bactericidal composition comprising Dichlobentiazox and fluxapyroxad
Preparation, the dosage form of the preparation be missible oil, aqueous emulsion, microemulsion, suspending agent, granule, wettable powder, water dispersible granules,
Microcapsule formulations or microcapsule suspending agent.
In some embodiments, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~20: 15 in preparation
~1.
Further, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~15: 10~1 in preparation.
Further, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~10: 10 in bactericidal composition
~1.
Preferably, Dichlobentiazox and the mass ratio of fluxapyroxad are 1~10: 5~1 in bactericidal composition.
It is highly preferred that Dichlobentiazox and the mass ratio of fluxapyroxad are 1~5: 5~1 in preparation.
Specifically, Dichlobentiazox and the mass ratio of fluxapyroxad are 1: 1,1: 3,1: 5,1: 10,3 in preparation:
1,5: 1,10: 1,4: 1 or 1: 4.
In other embodiments, Dichlobentiazox and the total content of fluxapyroxad in the formulation be 1~
90 mass %.
Further, Dichlobentiazox and the total content of fluxapyroxad in the formulation are 10~60 mass %.
Preferably, Dichlobentiazox and the total content of fluxapyroxad in the formulation are 10~45 mass %.
It is further preferred that Dichlobentiazox and the total content of fluxapyroxad in the formulation are 10~30 matter
Measure %；
Specifically, Dichlobentiazox and the total content of fluxapyroxad in the formulation are 10 mass %, 15 matter
Measure %, 25 mass %, 30 mass % or 45 mass %.
On the other hand, the present invention provides the preparation of the bactericidal composition comprising Dichlobentiazox and fluxapyroxad
Application in prevention and treatment rice blast, anthracnose, powdery mildew, gray mold, rust, scab, leaf spot or downy mildew.
Finally, the present invention also provides the method for controlling plant disease, the method includes to the plant or plant
Apply a effective amount of bactericidal composition comprising Dichlobentiazox and fluxapyroxad or the system comprising the composition in part
Agent.
If Dichlobentiazox or fluxapyroxad can be with alloisomerism, optical siomerism or tautomeric shapes
Formula exists, then it should be understood that even if being not expressly mentioned in each example, under usable condition, such compound also wraps within a context
Include corresponding isomeric form.
If Dichlobentiazox or fluxapyroxad can form acid-addition salts with acid, the acid can be strong nothing
Machine acid, such as mineral acid (such as perchloric acid, sulfuric acid, nitric acid, nitrous acid, phosphoric acid or halogen acids)；Strong organic carboxyl acid, such as do not take
Generation or the C replaced1-C4Alkanoic acid (such as acetic acid), saturated or unsaturated dicarboxylic acids (such as oxalic acid, malonic acid, fourth two
Acid, maleic acid, fumaric acid and phthalic acid), hydroxycarboxylic acid (such as ascorbic acid, lactic acid, malic acid, tartaric acid and lemon
Acid or benzoic acid)；Or organic sulfonic acid, such as unsubstituted or substituted C1-C4Alkanesulfonic acid or aryl sulfonic acid (such as methanesulfonic acid or
P-methyl benzenesulfonic acid).If Dichlobentiazox or fluxapyroxad can be able to be metal salt with alkali forming salt, the salt,
Such as alkali metal salt or alkali salt, such as sodium salt, sylvite or magnesium salts；Or the salt formed with ammonia or organic amine, such as morpholine,
Piperidines, pyrrolidines, mono-, two- or three-low-grade alkylamines (such as ethamine, diethylamine, triethylamine or dimethyl propylamine) or mono-,
Two-or trihydroxy-low-grade alkylamine (such as mono-, two- or triethanolamine).In addition, may be optionally formed corresponding inner salt.?
In context of the invention, advantageous salt preferably on agriculture chemistry.In view of the free of Dichlobentiazox or fluxapyroxad
Substantial connection between form and the form of its salt refers in situation advantageous and appropriate in the context of the invention any place
Dichlobentiazox or fluxapyroxad or its salt, it is thus understood that respectively further comprise corresponding salt or
Dichlobentiazox or fluxapyroxad.Same situation is also applied for the vertical of Dichlobentiazox or fluxapyroxad
Body isomers, optical isomer or tautomer and its salt.
In bactericidal composition of the present invention in addition to effective component, usually also containing common adjuvant on pesticide.Adjuvant is
It is added in Pesticide formulation or use, for improving the auxiliary substance of medicament physicochemical property, the basic inanimate object of auxiliary agent itself
Activity, but control efficiency can be influenced.Wherein adjuvant can be wetting agent, dispersing agent, emulsifier, thickener, disintegrating agent, prevent
Freeze agent, defoaming agent, solvent, preservative, stabilizer etc., can be properly added according to the needs of preparation.
The wetting agent can be various wetting agents well known to formulations of pesticide field, and specifically, which can be with
For alkylbenzene sulfonate (such as neopelex, calcium dodecyl benzene sulfonate), alkylnaphthalene sulfonate (such as dibutyl
Sodium naphthalene sulfonate, isopropyl naphthalene sulfonate), lignosulfonates (such as sodium lignin sulfonate, calcium lignosulfonate), dodecyl
Sodium sulphate (SDS), succinic acid dibutyl ester sodium sulfonate, dioctyl sodium sulphosuccinate, alkyl phenol polyoxyethylene ether (APEO) (such as
Nonylphenol polyoxyethylene ether, octyl phenol polyoxyethylene ether, dodecane phenolic ether, dinonyl phenolic ether and mixing alkane phenolic ether etc.), alkyl phenol
Ethoxylate (APES), alcohol ethoxylate, sodium sulfate of polyethenoxy ether of fatty alcohol (ethoxylated alkyl sulfate,
AES), pull open powder, silkworm excrement, spaonin powder, spaonin powder, SOPA, detergent, penetrating agent JFC, wet bleeding agent F, wetting and penetrating agent
Fast T, NP-10 etc. are one such or two or more.
The dispersing agent can be various dispersing agents well known to formulations of pesticide field, and specifically, which can be with
For sodium lignin sulfonate, naphthalenesulfonic acid-formaldehyde condensate, tristyrylphenol ethoxylates phosphate, alcohol ethoxy
Compound, alkyl ethoxylate, alkyl phenol polyoxyethylene ether, alkylphenol polyoxyethylene ether methyl ether condensation sulfate, fatty amine
Polyoxyethylene ether, glycerol fatty acid ester polyoxyethylene ethe, EO-PO block copolymer and graft copolymer it is medium one such or
It is two or more.
The emulsifier can be various emulsifiers well known to formulations of pesticide field, and specifically, which can be with
For calcium dodecyl benzene sulfonate, alkyl phenol polyoxyethylene ether, alkyl phenol ether phosphate, phenethyl phenol polyoxyethylene polyoxypropylene
Ether, fatty alcohol ethylene oxide epoxy hexane co-polymer, styrylphenol polyoxyethylene ether, castor oil polyoxyethylene ether it is medium its
One or more of.
The thickener can be fine for xanthan gum, gum arabic, sodium alginate, bentonite, aluminum magnesium silicate, carboxymethyl
Dimension element or white carbon black etc. are one such or two or more.
The disintegrating agent can be sodium sulphate, ammonium sulfate, aluminium chloride, sodium chloride, ammonium chloride, bentonite, glucose, sugarcane
Sugar, starch, cellulose, urea, sodium carbonate, sodium bicarbonate, citric acid, tartaric acid are medium one such or two or more.
The antifreezing agent can be methanol, ethyl alcohol, ethylene glycol, propylene glycol, glycerine, isopropanol, diethylene glycol (DEG), ethylene glycol
Butyl ether, propandiol butyl ether, 2-Butoxyethyl acetate, methylene chloride, 1,1- dichloroethanes, 1,2- dichloroethanes, calcium chloride, vinegar
Sour sodium, magnesium chloride etc. are one such or two or more.
The defoaming agent can be organosilicon ketone defoaming agent, C8~10Fatty alcohols defoaming agent etc. it is one such or
It is two or more.
The solvent can be toluene, dimethylbenzene, methanol, ethyl alcohol, isopropanol, n-butanol, dimethyl sulfoxide, hexamethylene
Ketone, n-octylpyrrolidone, diesel oil, solvent naphtha, methyl oleate, soybean oil, epoxy soybean, castor oil, water etc. are one such
Or it is two or more.
The stabilizer can for triphenyl phosphite, aceticanhydride, epoxychloropropane, resorcinol, sodium citrate etc. its
One or more of.
The preservative can be sodium benzoate, benzoic acid, potassium sorbate, P-hydroxybenzoic acid sodium salt, para hydroxybenzene
Methyl formate etc. is one such or two or more.
About various adjuvants, various preparations, due to the difference in statement, the difference on understanding will cause.It should be understood that
, various adjuvants, preparation disclosed in this field belong to the range that the present invention covers, such as " Pesticide formulation skill
Art ", Luo Yanping, Song Weiwei, Chemical Industry Press, 2015；" pesticidal preparations ", Wang Kaiyun, Chinese agriculture publishing house,
2009；" Preparation Forms of Modern Pesticide processing technology book series ", Liu Guangwen, Chemical Industry Press, 2018；" formulations of pesticide and preparation and
Application method ", Tu Yuqin, Golden Shield publishing house, 2008；" Chinese pesticide ", Chinese pesticide industry association；Etc. described in that
A bit.
Above-mentioned preparation can be prepared in a way known, such as by by reactive compound or active agent combinations
It is mixed at least one additive.Suitable additive is all conventional pharmaceutical adjuncts, such as organic solvent, filler, molten
Agent or diluent, solid carrier and filler, surfactant (such as adjuvant, emulsifier, dispersing agent, protective colloid, wetting agent
And tackifier), dispersing agent and/or adhesive or fixative, preservative, dyestuff and pigment, defoaming agent, inorganic and organic thickening
Agent, hydrophober can also add drier and UV stabilizer, gibberellin and water and other processing aids if appropriate.At every kind
In the case of, according to preparation type to be prepared, it may be necessary to other procedure of processings, such as wet lapping, dry grinding or granulation etc..
According to the present invention, all plant and plant part can be handled.Plant refers to all plant and plant population, example
As wanted (whether to be weighed by Plant variety right or plant breeder with undesired wild plant, cultivar and plant variety
Protection).Cultivar and plant variety can be through Sterile culture and breeding method (by one or more biotechnology methods
It is assisted or is supplemented, such as by using dihaploid, protoplast fusion, random mutagenesis and directed mutagenesis, molecular labeling
Or genetic marker), or the plant obtained by bioengineering and the method for genetic engineering.Plant part refers to all grounds of plant
With under ground portion and organ, wherein list such as bud, leaf, Hua Hegen, for example, leaf, needle, stem, branch, flower, fructification, fruit and
Seed and root, bulb and rhizome.Crop and asexual and case of propagation material, such as cutting, bulb, rhizome, divide bark of a cork tree and kind
Son also belongs to plant part.
For the present invention, term " effective quantity " refers to each active component for being enough to show significant plant benefit
Total amount.When being individually administered using individual active constituent, which only refers to the ingredient.This amount depends on being controlled true
The compound that includes in bacterium, floristics, weather conditions and the present composition and change in a wide range.
With the composition or preparation provided by the invention comprising Dichlobentiazox and fluxapyroxad to plant and plant
Conventional treatment method can be used directly to carry out or act on its ambient enviroment, habitat or storage ground, example for the processing that object part carries out
Such as pass through dipping, sprinkling, spraying, irrigation, evaporation, dusting, atomizing, broadcast sowing, foam, smearing, being coated with, watering (pouring), instiling,
And in the case of propagation materials, especially in the case of seed, can also by involucrum (incrust), coating one layer or
Multiple coatings etc. handle slurries with powder-processed dry seeds, with solution processing seed, with water-soluble powder.Can also by composition or
Preparation is injected into soil.
In the plant that can be protected by the method for the invention, can be mentioned that staple crops, as corn and soybean, cotton,
Rape, rice, wheat, beet, sugarcane, oat, rye, barley, grain, triticale, flax, liana and come from various plants
The various fruit of taxon and vegetables, gardening and forest crop；Ornamental plant；And the homology of the genetic modification of these crops
Object.
The present invention also includes the method for handling seed.Composition of the invention can be applied directly, that is, not include other groups
Divide and without dilution.Generally, it is preferred to which the present composition is applied to seed with suitable dosage form.Handle seed
Suitable preparation and method be that this field is conventional.The present composition can be converted into conventional Seed dressing formulations, such as molten
Liquid, emulsion, suspending agent, pulvis, foaming agent, slurry agent or other be used for seed coating material and ULV preparation.
Composition/preparation provided by the invention comprising Dichlobentiazox and fluxapyroxad, can generate collaboration
Effect maintains like good effect while Dichlobentiazox and the rate of application of fluxapyroxad are reduced.
In addition to sterilizing synergistic activity, the combination provided by the invention comprising Dichlobentiazox and fluxapyroxad
Object/preparation has other surprising characteristics, and in a broad sense, these characteristics alternatively referred to as cooperate with, such as: activity profile is widened to other
Phytopathogen (such as resistant strain of plant disease)；Reduce the rate of application of reactive compound；Even if aobvious in single compound
Show inactive or almost without under active rate of application, is still enough pest control by active agent combinations of the invention；
The advantageous feature of (such as grind, screening, emulsification, dissolve or disperse) in preparation or use process；The storage stability of enhancing and
Photostability；Advantageous residue is formed；Improved toxicology and ecological toxicology characteristic.
According to plant species or plant cultivars, their position and growth conditions (soil, weather, trophophase, nutrition),
Processing of the invention can also bring superadditivity (" collaboration ") effect.It can provide improved plant characteristic, such as preferably grow, mention
Height to the tolerance of high temperature or low temperature, improve the tolerance to arid or water or soil salt content, improve Flowering quality, make to bloom
Earlier, hasting of maturity, the harvesting yield of raising, more flourishing root system, bigger fruit, higher plant height, bigger leaf
Area, greener leaf, stronger spray, less seed demand, lower phytotoxicity, plant defense system tune
It is dynamic, with the good compatibility of plant, the quality of harvested products is higher and/or nutritive value is higher, the sugared concentration in fruit is higher,
The storage stability and/or processability of harvested products are more preferable.Therefore, using provided by the invention comprising Dichlobentiazox
With composition/preparation of fluxapyroxad, it is remarkably contributing to that plant is made to keep fit, moreover it is possible to ensure quality and yield.In addition, this
Composition/the preparation comprising Dichlobentiazox and fluxapyroxad provided is provided, can help to enhancing systemic action
(systemic action).There is no enough absorbabilities even with the single compound of object, it is provided by the invention to include
Dichlobentiazox and composition/preparation of fluxapyroxad can still have the property.In a similar way, the present invention mentions
Composition/the preparation comprising Dichlobentiazox and fluxapyroxad supplied can bring more longlasting bactericidal effect.
Term "comprising", " can be " be open language, that is, include content specified by the present invention, but it is not precluded
Content in terms of him.
In conclusion compared with prior art, bactericidal composition of the invention or preparation have the beneficial effect that (1) one
Determine to show good synergistic effect in range, bactericidal effect is significantly improved compared with the simple adduction of its single dose；(2) delay list
The development of drug resistance of agent；(3) use cost is reduced, dosage is reduced；(4) to crop safety, while environmental pressure is reduced.
Specific embodiment
The following specific examples are used to further explain the present invention in detail, but the present invention be only limited to absolutely not it is following these
Embodiment.Dichlobentiazox raw medicine is self-control；Other used raw medicine, auxiliary agent, preparations etc. be it is commercially available,
Middle fluxapyroxad raw medicine purchase is in Jiangsu Heng An Chemical Co., Ltd..
Indoor biometrics experiment
Pot-culture method, the suppression that measurement different agents grow rice blast pathogen (Erysiphe graminis) are used indoors
Production is used, and calculates each medicament to the EC of pathogen50Value.
Application: the selection consistent pot rice seedling of one heart stage of three leaves growing way is for experiment.Single dose or each composition (being shown in Table 1)
5,2.5,1.25,0.625,0.3125,0.15625mg/L are diluted to 0.1% Tween 80 water is added after solvent DMSO dissolution.Stem
Test material is dried in the shade for 24 hours after leaf spraying treatment.
Inoculation: in the culture dish for having covered with spore, being added sterile water, scrape surface spore, with 2~4 layers of filtered through gauze,
It is 5 × 10 that concentration, which is made,5~6 × 105The spore suspension of CFU/mL, then with inoculation sprayer (pressure 0.1MPa) in rice seedling
Upper even spraying.Phjytotron, relative humidity > 85% are moved into after inoculation, temperature is 25~28 DEG C, and light intensity is greater than 2000lx,
Disease investigation is carried out after 5~7d.
Grade scale:
0 grade: disease-free；
1 grade: leaf spot lesion is less than 3, and length is less than 1cm；
3 grades: leaf spot lesion 3~5, part scab length is greater than 1cm；
5 grades: leaf spot lesion 6~10, part scab is linked to be piece, accounts for leaf area 10%~25%；
7 grades: leaf spot lesion 11 or more, scab is linked to be piece, accounts for leaf area 26%~50%；
9 grades: scab is linked to be piece, accounts for 50% or more leaf area.
Drug effect calculates:
Corresponding regression analysis is done according to each composition concentration and corresponding preventive effect, finds out the EC of each composition50Value.
Using the co-toxicity coefficient calculation method of the abundant introduction of Sun Yun, the co-toxicity coefficient (CTC) of mixture is calculated, determines mixture
It is building performance.
(EC is generally selected using single dose a certain in mixture as standard agent50Junior), it is calculated:
Single dose toxicity index=standard agent EC50/ certain single dose EC50×100
Theoretical toxicity index (TTI)=A single dose toxicity index × A single dose proportion+B single dose in mixture virulence
Index × B single dose proportion in mixture
Survey toxicity index (ATI)=standard single dose EC50 value/mixture EC50Value × 100
Co-toxicity coefficient=survey toxicity index/theoretical toxicity index × 100
Mixture has synergetic when CTC is greater than 120, is antagonism when CTC is less than 80, and CTC is phase between 80-120
Add effect.
The measurement result of table 1:Dichlobentiazox and fluxapyroxad different ratio to rice blast co-toxicity coefficient
| Medicament | Virulence equation | EC50(mg/L) | Co-toxicity coefficient |
| Dichlobentiazox | Y=-8.189+5.388X | 1.49 | - |
| Fluxapyroxad | Y=-4.253+3.238X | 2.07 | - |
| Dichlobentiazox: fluxapyroxad=1:1 | Y=-4.424+3.075X | 1.17 | 148.10 |
| Dichlobentiazox: fluxapyroxad=1:3 | Y=-6.531+3.916X | 1.38 | 136.70 |
| Dichlobentiazox: fluxapyroxad=1:5 | Y=-7.561+3.077X | 1.49 | 130.46 |
| Dichlobentiazox: fluxapyroxad=1:10 | Y=-8.365+3.667X | 1.62 | 123.41 |
| Dichlobentiazox: fluxapyroxad=3:1 | Y=-2.078+2.487X | 1.16 | 138.12 |
| Dichlobentiazox: fluxapyroxad=5:1 | Y=-2.819+2.797X | 1.19 | 131.34 |
| Dichlobentiazox: fluxapyroxad=10:1 | Y=-2.392+1.981X | 1.23 | 124.30 |
As can be seen from Table 1, the present invention is using Dichlobentiazox and fluxapyroxad as effective component, according in table 1
Mass ratio when being compounded, the bactericidal composition of compounding has an apparent synergistic effect to rice blast, Dichlobentiazox and
For fluxapyroxad in mass ratio between 1:10~10:1, co-toxicity coefficient is all larger than 120, shows as excellent synergistic effect.
Preparation example
The preparation of 1 10%Dichlobentiazox fluxapyroxad missible oil of preparation example
By 7.5gDichlobentiazox, 2.5g fluxapyroxad raw medicine be added to 30g cyclohexanone (Aladdin reagent),
The in the mixed solvent of 50g aromatic hydrocarbons 200# (Yangzhou day reaches chemical industry), it is completely molten to raw medicine with supersonic wave cleaning machine ultrasonic vibration 5min
Solution.Again by emulsifier 601# (three phenethyl phenols and ethylene oxide adduct, Xingtai City Yan Cheng chemical assistant Co., Ltd) 6g, cream
Agent BY-110 (castor oil polyoxyethylene ether, Xingtai City Yan Cheng chemical assistant Co., Ltd) 4g is added into above-mentioned solution and stirs
Uniformly, the missible oil that effective component mass content is 10% is made.
The preparation of 2 25%Dichlobentiazox fluxapyroxad aqueous emulsion of preparation example
1. oily mutually prepare
Dichlobentiazox raw medicine 20g, fluxapyroxad 5g are added to aromatic solvent 200# (Yangzhou day reaches chemical industry)
The in the mixed solvent of 20g and HMK-150 (environment-friendly type polymerize alcohol ether solvents, Beijing Chinese Mack) 10g, then by Emulsifier BY -110
(castor oil polyoxyethylene ether, Xingtai City Yan Cheng chemical assistant Co., Ltd) 4g, agriculture breast 1601# (triphenyl vinyl phenol polyoxy
Ethylene polyethenoxy ether, Xingtai City Yan Cheng chemical assistant Co., Ltd) 2g is added and is slowly stirred to being completely dissolved.
2. prepared by water phase
Ethylene glycol (Aladdin reagent) 4g, defoaming agent (AFE-1520, DOW CORNING) 0.2g and water 34.8g are stirred evenly.
3. composition aqueous emulsion is deployed
Oil is mutually slowly added in water phase, and be stirred continuously after be added completely into high speed disperser (trade name:
TG25, German IKA) 15 minutes (8000r/min) under high shear, the aqueous emulsion that effective component mass content is 25% is made.
The preparation of 3 30%Dichlobentiazox fluxapyroxad suspending agent of preparation example
1. prepared by precomminution slurry
By Dichlobentiazox raw medicine 15g, fluxapyroxad 15g, (the anion-modified carboxylic of dispersant A grilan 788
Acid copolymer, Akzo Nobel) 2g, TERSPERSE 2500 (comb-type structure high-molecular compound, Huntsman) 3g, wetting
Agent GY-WS10 (polyethers, Beijing Guang Yuan benefit agriculture) 2g, aqueous defoamer AFE-1520 (DOW CORNING) 0.4g, aluminium-magnesium silicate (I
Fourth reagent) 0.5g and 42.6g deionized water use after mixing high speed disperser (German IKA) high speed shear 10min be made
Crush slurry.
2. slurry preparation is sanded
By step, 1. precomminution slurry obtained is fully transferred in sand mill (the dry Co., Ltd of changzhou Zhuo Ying)
WithIt is about 3um or so that bead, which carries out wet pulverizing 2h to slurry partial size, obtains and uniform sizing material is sanded.
3. composition suspending agent is deployed
By xanthan gum (Aladdin reagent) 0.2g, ethylene glycol (Aladdin reagent) 5g, sodium benzoate (Aladdin reagent)
0.5g and deionized water 13.8g are stirred evenly, then uniform sizing material after step 2. sand milling obtained is added to above-mentioned mixed liquor
In use high speed disperser (German IKA) high speed shear 15min after mixing, be made effective component mass content be 30% it is outstanding
Floating agent.
The preparation of 4 45%Dichlobentiazox fluxapyroxad wettable powder of preparation example
By Dichlobentiazox raw medicine 37.5g, fluxapyroxad 7.5g, naphthalene sulphonate (trade name:
Morwet D-425, Akzo Nobel) 5g, lignin UNA (Bao Lige) 3g, sodium sulphate (Aladdin reagent) 5g, xanthan gum
(Aladdin reagent) 0.4g, organic silicone (trade name: DOW CORNING ANTIFOAM C EMULSION, DOW CORNING)
0.3g, attapulgite hybrid (Hangzhou Zuo Tu new material Co., Ltd) add to 100g, and first precomminution mixes, then (Kunshan is excellent through air-flow crushing
Nanogram Machinery Co., Ltd.) to required partial size, the wettable powder that effective component mass content is 45% is made.
The preparation of 5 15%Dichlobentiazox fluxapyroxad microemulsion of preparation example
1. oily mutually prepare
Dichlobentiazox raw medicine 13.6g, fluxapyroxad 1.4g are added to cyclohexanone (Aladdin reagent) 15g
With the in the mixed solvent of aromatic solvent 150# (Yangzhou day reach at chemical industry) 10g, then by (the alkyl phenol block of emulsifier TERMUL 200
Polyethers copoly type emulsifier, Huntsman) (calcium dodecyl benzene sulfonate, the sincere chemical assistant of Xingtai City swallow have by 10g, agriculture breast 500#
Limit company) 8g is added and is slowly stirred to being completely dissolved.
2. prepared by water phase
By n-octyl alcohol (Aladdin reagent) 4g, silicone antifoaming agent (Hangzhou Zuo Tu new material Co., Ltd) 0.3g,
Deionized water 37.7g is stirred evenly.
3. composition aqueous emulsion is deployed
Oil is mutually slowly added in water phase, and is stirred continuously until transparence, it is 25% that effective component mass content, which is made,
Microemulsion.
The preparation of 6 45%Dichlobentiazox fluxapyroxad water dispersible granules of preparation example
By Dichlobentiazox raw medicine 37.5g, fluxapyroxad 7.5g, the dispersion of alkylnaphthalene sulfonate formaldehyde condensation products
Agent (trade name: Morwet D425, Akzo Nobel) 4g, non-ionic hydroxyl polyethylene oxide block copolymer dispersing agent
(trade name: Ethylan NS-500LQ, Akzo Nobel) 2g, it wetting agent (trade name: EFW, Akzo Nobel) 3g, collapses
Solution agent ammonium sulfate (Aladdin reagent) 4g, filler kaolin (Hangzhou Zuo Tu new material Co., Ltd) add to 100g and are uniformly mixed
Afterwards, it (is opened with airslide disintegrating mill (the excellent nanogram Machinery Co., Ltd. in Kunshan) air-flow crushing to required partial size, again using rotary pelleting machine
Family's harbor city starts Machinery Manufacturing Co., Ltd.) it is granulated, the water dispersible granules that effective component mass content is 45% are made.
The preparation of 7 30%Dichlobentiazox fluxapyroxad wettable powder of preparation example
By Dichlobentiazox raw medicine 6g, fluxapyroxad 24g, modified naphthalenesulfonatedispersant dispersant (trade name:
HMK-D1006, Beijing Chinese Mack) 4g, lignin UNA (Bao Lige) 3g, lauryl sodium sulfate (trade name: SDS Aladdin examination
Agent) 4g, kaolin (Hangzhou Zuo Tu new material Co., Ltd) adds to 100g, and first precomminution mixes, then (Kunshan is excellent through air-flow crushing
Nanogram Machinery Co., Ltd.) to required partial size, the wettable powder that effective component mass content is 30% is made.
The preparation of 8 25%Dichlobentiazox fluxapyroxad missible oil of preparation example
By Dichlobentiazox raw medicine 5g, fluxapyroxad raw medicine 20g be added to 35g environment-friendly type solvent (trade name:
The Nanjing AG1705 victory profit science and technology) and 30g aromatic hydrocarbons 150# (Yangzhou day reach at chemical industry) in the mixed solvent, it is ultrasonic with supersonic wave cleaning machine
Concussion 5min is completely dissolved to raw medicine.By emulsifier 601#, (three phenethyl phenols and ethylene oxide adduct, Xingtai City swallow really change again
Learn auxiliary agent Co., Ltd) 6g, agriculture breast 500# (calcium dodecyl benzene sulfonate, Xingtai City Yan Cheng chemical assistant Co., Ltd) 4g addition
To stirring evenly in above-mentioned solution, the missible oil that effective component mass content is 25% is made.
Reference examples
The preparation of 1 30%Dichlobentiazox suspending agent of reference examples
1. prepared by precomminution slurry
By Dichlobentiazox raw medicine 30g, dispersant A grilan 788 (anion-modified polymers of carboxylic acid, Acker
Revive Nobel) 2g, TERSPERSE 2500 (comb-type structure high-molecular compound, Huntsman) 3g, wetting agent GY-WS10 be (poly-
Ethers, Beijing Guang Yuan benefit agriculture) 2g, aqueous defoamer AFE-1520 (DOW CORNING) 0.4g, aluminium-magnesium silicate (Aladdin reagent) 0.5g
And 42.6g deionized water uses high speed disperser (German IKA) high speed shear 10min that crushing slurry is made after mixing.
2. slurry preparation is sanded
By step, 1. precomminution slurry obtained is fully transferred in sand mill (the dry Co., Ltd of changzhou Zhuo Ying)
WithIt is about 3um or so that bead, which carries out wet pulverizing 2h to slurry partial size, obtains and uniform sizing material is sanded.
3. composition suspending agent is deployed
By xanthan gum (Aladdin reagent) 0.2g, ethylene glycol (Aladdin reagent) 5g, sodium benzoate (Aladdin reagent)
0.5g and deionized water 13.8g are stirred evenly, then uniform sizing material after step 2. sand milling obtained is added to above-mentioned mixed liquor
In use high speed disperser (German IKA) high speed shear 15min after mixing, be made effective component mass content be 30% it is outstanding
Floating agent.
The preparation of 2 10% fluxapyroxad missible oil of reference examples
10g fluxapyroxad raw medicine is added to (Yangzhou day is up to changing to 30g cyclohexanone (Aladdin reagent), 50g aromatic hydrocarbons 200#
Work) in the mixed solvent, be completely dissolved with supersonic wave cleaning machine ultrasonic vibration 5min to raw medicine.Again by emulsifier 601# (triphen
Ethyl phenol and ethylene oxide adduct, Xingtai City Yan Cheng chemical assistant Co., Ltd) 6g, (the castor oil polyoxy of Emulsifier BY -110
Vinethene, Xingtai City Yan Cheng chemical assistant Co., Ltd) 4g is added into above-mentioned solution and stirs evenly, effective component quality is made
The missible oil that content is 10%.
Field control effectiveness test
Test process: according to the reagent agent experimental design in table 2, three are set separately to the test medicine of preparation example 1-3
A effective ingredient consumption.Comparison medicament is self-control 30%Dichlobentiazox suspending agent, 10% fluxapyroxad missible oil respectively
With blank clean water experiment.
Table 2: reagent agent experimental design
Cell setting: each plot area is 66.7m2；
Application method: medicament is administered in rice blast early stage, and foliar spray processing, spouting liquid is based on drop of not dripping；
Spraying times: 3 times, strong wind day or it is expected that rainfall in 1 hour, is not administered.State of an illness radix is investigated before application for the first time, with
It was administered afterwards every 7 days 1 time, 7 days investigation preventive effects after the 3rd application.
Control time and number: progress radix investigation in 1 day after application, 7 days after medicine, 14 days, 21 days progress diseases refer to investigation.
Investigation method: according to rice leaf hazard symptoms grading, as unit of strain, 5 points of every cell diagonal line is taken
Sample, every investigation are connected 5 clumps, and totally 25 clumps, record total strain number, diseased plant number and sick series.
Inspection drug effect method after investigating and prevent and treat before application are as follows: 5 points of grab sample in test process area record total leaf
Number, the sick number of sheets, sick series.Grade scale method is as follows:
0 grade: disease-free；
1 grade: lesion area accounts for 5% or less full wafer leaf area；
3 grades: lesion area accounts for the 6%~10% of full wafer leaf area；
5 grades: lesion area accounts for the 11%~25% of full wafer leaf area；
7 grades: lesion area accounts for the 26%~50% of full wafer leaf area；
9 grades: lesion area accounts for 50% or more of full wafer leaf area.
Drug effect calculates:
Note: control disease index is disease index when compareing (i.e. reference examples 3) using blank clear water；
See Table 3 for details for test result.
Table 3: preventive effect of the different agents to rice blast
As shown in Table 3, Dichlobentiazox of the present invention and the bactericidal composition of fluxapyroxad have rice blast excellent
Control efficiency.For bactericidal composition of the present invention compared with single dose, quick-acting and lasting effect are superior to control single dose.Meanwhile it trying
During testing, there is prevention to control effect with simultaneous other type diseases of rice.In addition, not found in scope of medication of the invention
Composition pesticide has phytotoxicity generation to rice, shows that bactericidal composition of the invention is good to crop safety, can promote and apply.
In conclusion using Dichlobentiazox and fluxapyroxad as the bactericidal composition of the present invention of effective component,
There is good control efficiency to rice blast, and it is safe to Target crops.Compound preparation not only increases preventive effect, and reduce at
This, mitigates manpower and material resources, improves productivity effect.So the invention of this compound preparation with promote to society have it is highly important
Meaning.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.In addition, any group can also be carried out between a variety of different embodiments of the invention
It closes, as long as it does not violate the idea of the present invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of bactericidal composition, it is characterised in that: include Dichlobentiazox and fluxapyroxad.
2. bactericidal composition according to claim 1, it is characterised in that: Dichlobentiazox and fluxapyroxad
Mass ratio is 1~10: 10~1.
3. bactericidal composition according to claim 2, it is characterised in that: Dichlobentiazox and fluxapyroxad
Mass ratio is 1~10: 5~1.
4. bactericidal composition according to claim 1, it is characterised in that: Dichlobentiazox and fluxapyroxad exist
Total content in bactericidal composition is 1~90 mass %.
5. bactericidal composition according to claim 4, it is characterised in that: Dichlobentiazox and fluxapyroxad exist
Total content in bactericidal composition is 10~60 mass %.
6. bactericidal composition according to claim 5, it is characterised in that: Dichlobentiazox and fluxapyroxad exist
Total content in bactericidal composition is 10~45 mass %.
7. bactericidal composition as claimed in any one of claims 1 to 6 is in prevention and treatment rice blast, anthracnose, powdery mildew, gray mold, rust
Application in disease, scab, leaf spot or downy mildew.
8. preparation prepared by bactericidal composition as claimed in any one of claims 1 to 6, it is characterised in that: the agent of the preparation
Type is missible oil, wettable powder, suspending agent, granule, water dispersible granules, microemulsion, aqueous emulsion or microcapsule formulations.
9. preparation according to any one of claims 8 is in prevention and treatment rice blast, anthracnose, powdery mildew, gray mold, rust, scab, leaf spot
Or the application in downy mildew.
10. the method for controlling plant disease, the method includes applying a effective amount of power to the plant or plant part
Benefit requires bactericidal composition described in 1-6 any one or preparation according to any one of claims 8.
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