CN106993628A - Bactericidal composition containing phosphorous acid or its salt - Google Patents
Bactericidal composition containing phosphorous acid or its salt Download PDFInfo
- Publication number
- CN106993628A CN106993628A CN201710267961.2A CN201710267961A CN106993628A CN 106993628 A CN106993628 A CN 106993628A CN 201710267961 A CN201710267961 A CN 201710267961A CN 106993628 A CN106993628 A CN 106993628A
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- CN
- China
- Prior art keywords
- salt
- phosphorous acid
- bactericidal composition
- active components
- leaf
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/12—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing acyclic or cycloaliphatic radicals
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/06—Unsaturated carboxylic acids or thio analogues thereof; Derivatives 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
- A01N43/42—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings condensed with carbocyclic rings
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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
- A01N43/48—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
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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
- A01N47/14—Di-thio analogues thereof
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- 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
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- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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Abstract
The invention provides a kind of Synergistic biocidal composition containing phosphorous acid or its salt, it is characterized in that including active components A and B, wherein, A is phosphorous acid or its salt, B is one or more kinds of combinations in smart furalaxyl, fenaminosulf, fluorine acid imide, fluorine azoles bacterium acyl azanol, nitre benzene bacterium ester, Tolprocarb, pyriofenone, tebufloquin, picarbutrazox, mancopper, also include the auxiliary agent that can be used in Pesticide formulation, conventional pesticidal preparations are made, and applied to controlling plant diseases.
Description
Technical field
The invention belongs to pesticides application technical field, it is related to a kind of composition pesticide, it is specifically a kind of to contain phosphorous acid
Or the bactericidal composition of its salt, applied to controlling plant diseases.
Background technology
In agricultural production process, serious, the position such as harm plant roots, stem, leaf, and fruit, kind occur for plant disease
The organs of multiplication such as son, stem tuber, influence photosynthesis of plant and plant strain growth, influence Leaf-feeding insects outward appearance, crop yield is fallen sharply,
Quality decline is serious.When disease occurs serious, crop is caused to be had no harvest.Therefore, plant disease has important in produce reality
Meaning is prevented and treated, bactericide is the most economic, the quick and effective method of controlling plant diseases.
Single bactericide is limited using easily developing immunity to drugs or preventing and treating spectrum, can not solve well in produce reality
Plant disease endangers.Mixture bactericide, which has, can expand preventing and treating spectrum, enhancing preventive effect, delay the advantages such as the phytopathogen resistance to the action of a drug,
Turn into most popular application form in production practices.Especially there is the bactericide of synergy, each effective group of bactericide
Point interphase interaction, makes combination aging fruit better than the theoretical summation that effect is used alone, thus can play in actual use thing
The effect of half work(times, is more favored by user.
Phosphorous acid (phophorous acid, phosphite) is interpreted as with formula PO3Phosphorous acid and mutually variation
The phosphonic acids HPO (OH) of structure2, phosphite is interpreted as the salt of phosphorous acid and the salt of tautomeric phosphonic acids, common phosphorous acid
Salt includes but is not limited to sylvite, sodium salt, manganese salt, calcium salt, mantoquita, aluminium salt of phosphorous acid etc..Phosphorous acid or its salt are mainly used in preventing
The oomycetes disease in the various crops such as fruit and vegetables, such as late blight of potato, cucumber downy mildew, downy mildew of garpe are controlled, and
A variety of fungal diseases are shown with preferable prevention effect, such as alternaria leaf spot of apple, scab of apple, mango anthracnose.
Smart furalaxyl (furalaxyl-M), fenaminosulf (fenaminosulf), fluorine acid imide (fluoroimide), fluorine azoles
Bacterium acyl azanol (pydiflumetofen), nitre benzene bacterium ester (meptyldinocap), Tolprocarb, pyriofenone,
Tebufloquin, picarbutrazox, mancopper (mancopper) are several broad-spectrum germicides, in various crop
Plant disease show excellent preventive effect.
The present invention is studied by substantial amounts of formulation screening test and found, when phosphorous acid or its salt and smart furalaxyl, fenaminosulf,
Fluorine acid imide, fluorine azoles bacterium acyl azanol, nitre benzene bacterium ester, Tolprocarb, pyriofenone, tebufloquin,
When one or more kinds of medicaments in picarbutrazox, mancopper are combined, surprising sterilization effect is shown
Really, that is, good synergy is shown, actual bactericidal effect is substantially better than the theoretical summation of exclusive use, had in production
Application prospect widely.
The content of the invention
The present invention relates to Synergistic biocidal composition, including active components A and B, described active components A for phosphorous acid or its
Salt, described active component B be smart furalaxyl, fenaminosulf, fluorine acid imide, fluorine azoles bacterium acyl azanol, nitre benzene bacterium ester,
One or more kinds of groups in Tolprocarb, pyriofenone, tebufloquin, picarbutrazox, mancopper
Close.In addition, also including the auxiliary agent that can be used in Pesticide formulation.
The composition especially good effect can be used to prevent and treat the plant disease in various useful crops, described useful
Crop includes but is not limited to conventional breeding crop, genetically modified crops, asexually propagated crop and asexual propagation material, domesticating and cultivating
Wild plant etc., is particularly suitable for use in preventing and treating potato, tomato, cucumber, grape, lettuce, Chinese cabbage, wild cabbage, cauliflower, capsicum, grass
The certain kind of berries, apple, mango, wheat, Soybean and Other Crops disease.
The instantiation that can be mentioned that can use the representative plant disease of composition for preventing and controlling of the invention, the example for some
It is not limited to specified genus kind.It should be noted that the invention is not limited in example in detail below, can also prolong in the same manner
Other plant diseases are reached, bracket indicates its cause of disease Latin name：
Potato, tomato late blight (Phytophthora infestans), cucumber downy mildew
(Pseudoperonospora cubensis), downy mildew of garpe (Plasmopara viticola), lettuce, Chinese cabbage, wild cabbage,
Cauliflower downy mildew (Peronospora parasitica), downy mildew (Peronospora destructor), capsicum
Epidemic disease (Phytophthora capsic), strawberry epidemic disease (Phytophthora cactorum), alternaria leaf spot of apple
(Alternaria alternata), scab (Venturia inaequalis), mango anthracnose (Colletotrichum
Gloeosporioides), the rotten mildew (Pythium splendens) of ornamental plant, grape grey mould (Botrytis
Cinerea), wheat powdery mildew (Blumeria graminis), fusarium disease (Fusarium spp.)：Such as wheat scab
(Fusarium graminearum), root rot (Fusarium oxysporum) etc., rhizoctonia disease
(Rhizoctonia spp.)：Such as wheat sharp eyespot (Rhizoctonia cerealis), black scurf of potato
(Rhizoctonia solani) etc., tomato, capsicum early blight (Alternaria solani), powdery mildew of cucumber
(Sphaerotheca fuliginea), tomato, eggplant stem rot (Sclerotinia sclerotiorum) etc..
In order to solve the above-mentioned technical problem, the present invention, which is adopted the following technical scheme that, is achieved：
The present composition component A and B can be with arbitrary proportion mixtures, and a kind of usual active component content is higher than rest activity
Composition, preferably mixing ratio are 100：1 to 1：100 or 50：1 to 1：50.
The present composition can be by the way that active component be mixed with the auxiliary agent that can be used in Pesticide formulation, with known
Method is prepared as conventional preparation, such as aqua, solvable pulvis, missible oil, water dispersible granules, aqueous emulsion, microemulsion, granule, outstanding
Floating agent etc..The active component of the active component of 0.1~95% weight, preferably 0.5~90% weight is typically contained in preparation.
The auxiliary agent that can be used in Pesticide formulation includes but is not limited to：Water, solvent, filler, various surfactants
(emulsifying agent, dispersant, wetting agent etc.), adhesive, film forming agent, colouring agent, antifreezing agent, thickener, suspending agent, disintegrant, disappear
Infusion, bleeding agent, synergist, stabilizer, wall capsule material, pH adjusting agent, preservative etc..Also, suitably, in order to improve to spy
Ordered goods tolerance, can be properly added safener；Or sometimes for crop growth is promoted, can add in mixture composition
Plus conventional agriculture fertilizer, medicament-fertilizer mixture is made.These auxiliary agents are all the compositions commonly used in pesticidal preparations or allow to use, and have no spy
Do not limit, one or more auxiliary agent may be selected and constitutes, specific composition and consumption are according to recipe requirements by simply testing
It is determined that.
The production technology of the various application forms of composition belongs to existing known technology, will not be repeated here.
The present composition can be used in a variety of ways, be such as watered spraying in a usual manner and used, or directly spread fertilizer over the fields or ditch
Apply, or mix pesticide-clay mixture and spread fertilizer over the fields, when plant seeding, emerge before, emerge after vegetative growth phase and reproductive stage can be used.With
Dose can change in relative broad range, and depending on situation, application method, crop, the plant disease kind to be prevented and treated of soil
Class and seedling age size, weather conditions at that time and other factors.The present composition is generally with 0.001~0.5kg active components
The consumption of mixture/hectare is applied, it is further preferable that being applied with the consumption of 0.01~0.3kg mixture of active principles/hectare.
The present invention compared with prior art, has the following technical effect that：
1st, mixture composition has good synergy, and application effect is substantially better than single dose theoretical effect summation, that is, had
There is super superposition, plant disease occurrence injury can be better controled over；
2nd, there is good complementarity in control of plant disease spectrum between mixture composition active component, can expands very well
Preventing and treating spectrum, synthesis effectively controls various plant disease occurrence injuries；
3rd, mixture composition has good synergy, can reduce medicament usage amount, and reduction use cost and environment are dirty
Dye, improves the security to crop.
Embodiment
Specific embodiment of the invention given below is, it is necessary to which explanation is that the invention is not limited in implement in detail below
Example, all equivalents done on the basis of technical scheme each fall within protection scope of the present invention.
Embodiment 1：30% aqua
Being formulated composition is：Active components A is 12%, and active component B is 18%, surfactant AEO
7%, water complements to 100%.
Preparation method is：All materials are put into modulation kettle, stirring and dissolving after chemical examination is qualified, is shifted to fully transparent
It is filling to storage tank.
Embodiment 2：75% solvable pulvis
Being formulated composition is：Active components A is 25%, and active component B is 50%, and wetting agent sldium lauryl sulfate 2% disperses
Agent APES phosphate 6%, filler bentonite complements to 100%.
Preparation method is：Active component and each auxiliary agent are well mixed, carry out just smashing in the mechanical disintegrating machine of input, afterwards
Crushed through airslide disintegrating mill, remix uniform, i.e., obtained solvable pulvis.
Embodiment 3：20% missible oil
Being formulated composition is：Active components A is 8%, and active component B is 12%, emulsifying agent castor oil polyoxyethylene ether 5%,
Emulsifying agent styrylphenol formaldehyde resin polyoxyethylene poly-oxygen propylene aether 4%, solvent xylene complements to 100%.
Preparation method is：All materials are put into batching kettle, stirring and dissolving after chemical examination is qualified, is shifted to fully transparent
It is filling to storage tank.
Embodiment 4：48% water dispersible granules
Being formulated composition is：Active components A is 15%, and active component B is 33%, and wetting agent sldium lauryl sulfate 5% disperses
Agent naphthalenesulfonic acid-formaldehyde condensate 7%, disintegrant sodium sulphate 5%, adhesive carboxymethyl cellulose 0.2%, filler bentonite is mended
Enough to 100%.
Preparation method is：After all materials are well mixed, crush, be well mixed again through airslide disintegrating mill, then, plus
Enter a certain amount of water to mediate this mixture, extruder grain, through drying screening, that is, obtain water dispersible granules.
Embodiment 5：14% aqueous emulsion
Being formulated composition is：Active components A is 6%, and active component B is 8%, solvent xylene 10%, emulsifying agent fatty alcohol
APEO 5%, emulsifying agent alkyl phenol formaldehyde resin polyoxyethylene ether sulfate 4%, antifreezing agent propane diols 5%, water is supplied
To 100%.
Preparation method is：After active components A and B solvents are fully dissolved, input emulsifying agent forms oil after being sufficiently stirred for
Phase；Antifreezing agent is added to the water dissolving, aqueous phase is formed；Aqueous phase is slowly added in oil phase, sheared using high-speed shearing machine, you can
Obtain aqueous emulsion.
Embodiment 6：28% microemulsion
Being formulated composition is：Active components A is 8%, and active component B is 20%, solvent xylene 10%, solvent cyclohexanone
5%, emulsifying agent phenethyl phenol polyethenoxy ether 6%, emulsifying agent disecoctylmaleate sodium sulfonate 9%, antifreezing agent second two
Alcohol 5%, water complements to 100%.
Preparation method is：After active components A and B solvents are fully dissolved, input emulsifying agent and antifreezing agent are well mixed,
Deionized water is eventually adding, high speed shear is carried out, you can microemulsion is obtained.
Embodiment 7：3% granule
Being formulated composition is：Active components A is 1%, and active component B is 2%, wetting agent pull open powder 0.5%, dispersant alkyl
Phenol polyethenoxy ether phosphate 1%, colouring agent carbon black 0.2%, filler attapulgite complements to 100%.
Preparation method is：After all materials are well mixed, add a certain amount of water and mediate this mixture, extruding is made
Grain, through drying screening, that is, obtains granule.
Application effect example：
1st, test method
(1) to the bioactivity of cucumber powdery mildew's pathogen
Reference《The part of NYT 1156.11-2008 farm-chemical indoor determination test rules bactericide the 11st：Preventing and treating is melon
Powdery mildew experiment basin cuts out method》Carry out.
It is, for examination germ, to be adopted from the sick leaf of field cucumber with cucumber powdery mildew's pathogen (Sphaerotheca fuliginea)
Collection, indoor inoculation expands numerous standby on fresh cucumber seedling.
It is that laboratory is potted plant, seedling length to 2~4 leaf periods for studying thing with cucumber susceptible variety " the close thorn in Xintai City "
It is standby.
Choose and expand numerous use incidence of leaf, with the pure water added with a small amount of 0.1% Tween-80, fresh spore is eluted from sick leaf
Son, eluent is filtered with double gauze, and it is 1 × 10 that concentration, which is made,5Individual spore/mL spore suspension, by its spray inoculation in
On " the close thorn in Xintai City " cucumber leaves.It is inoculated with after 24h, the decoction prepared is uniformly sprayed in blade face to whole wettings.Treat decoction
Natural air drying, moves to growth cabinet culture, is cultivated under the conditions of 20 DEG C, 12h alternation of light and darkness.Often processing sets 4 repetitions, often
5 basins are repeated, per 2 plants of basin, and the processing without medicament is set and makees blank control.When the sick leaf rate of blank control reaches more than 80%,
Incidence is managed in classification investigation everywhere.Calculate the disease index and prevention effect of each processing.
Disease index is calculated by formula (1), and prevention effect is calculated by formula (2), and result of calculation retains 2 significant digits.
In formula：
X-disease index；
Ni- sick the number of sheets at different levels；
I-relative value of series；
N-investigation total number of sheets；
11-highest value of series.
In formula：
P-prevention effect, unit is percentage (%)；
CK-blank control disease index；
PT-chemicals treatment disease index.
(2) to the bioactivity of bacterium of downy mildew of cucumber
Reference《The part of NYT 1156.7-2006 farm-chemical indoor determination test rules bactericide the 7th：Prevent and treat cucumber cream
Mildew experiment basin cuts out method》Carry out.
It is that laboratory is seeded in cucumber for examination germ with bacterium of downy mildew of cucumber (Pseudoperonospora cubensis)
Expand numerous standby on seedling.
It is that laboratory is potted plant, seedling length to 4~6 leaf periods for studying thing with cucumber susceptible variety " Chang Chun Mi Ci "
It is standby.
Choose and expand numerous use incidence of leaf, lower blade back side Pseudoperonospora cubensis sporangium is washed with 4 DEG C of distillations, eluent is double-deck
Filtered through gauze, it is 1 × 10 that concentration, which is made,5Individual sporangium/mL sporangia suspension, its spray inoculation is yellow in " Chang Chun Mi Ci "
Melon seedling vacuum side of blade (Pseudoperonospora cubensis easily infects vacuum side of blade), dark moisturizing culture 24h, by the decoction prepared uniformly spray in
Blade face is to whole wettings.Then under the conditions of 17~22 DEG C, 12h alternation of light and darkness, relative humidity is training under conditions of more than 90%
Support.Often processing sets 4 repetitions, often repeatedly 5 basin, per 2 plants of basin, and sets the processing without medicament and make blank control.When blank pair
When reaching more than 80% according to the incidence of disease, incidence of investigating is classified.Calculate the disease index and prevention effect of each processing.
Disease index is calculated by formula (3), and prevention effect is calculated by formula (2), and result of calculation retains 2 significant digits.
In formula：
X-disease index；
Ni- sick the number of sheets at different levels；
I-relative value of series；
N-investigation total number of sheets；
9-highest value of series.
(3) to the bioactivity of Plasmopara viticola
At present, temporarily without correlation test criterion of the bactericide to Plasmopara viticola biological activity determination, document report is general
Using leaf disk method.The basically identical blade of field growing leaf age, size is chosen, leaf dish is made with card punch and is tested, replaces
Tested for whole strain grape seedlingses.This method is long based on the grape cutting propagation mode cycle, unlike seminal propagation crop is logical
Cross sowing can quick obtaining age consistent seedling the characteristics of, a kind of reasonable derivative scientific method.In Plasmopara viticola life
Survey widely used in active determination test.This experiment is also combined microbic activity test using leaf disk method.Specific method is such as
Under：
It is that laboratory is seeded in fresh grape leaf for examination germ with Plasmopara viticola (Plasmopara viticola)
Expand numerous standby on piece.
Using grape susceptible variety " the red earth " grape as studying leaf in thing, collection grape young sprout tip Section 3 or Section 4
The basically identical healthy leaves of age, size, breaks into grape leave with card punch a diameter of 1.5cm leaf dish, and the back side is put upward
Moisturizing is standby in the culture dish for be covered with blotting paper, and (Pseudoperonospora cubensis easily infects vacuum side of blade, and the back side is easy to be inoculated with downy mildew upward
Bacterium and morbidity).
Choose and expand numerous use incidence of leaf, Plasmopara viticola sporangium is eluted from vacuum side of blade with 4 DEG C of distilled water, with bilayer
Filtered through gauze, it is 1 × 10 that concentration, which is made,5Individual sporangium/mL sporangia suspension, ready leaf dish is inoculated in pipettor
The back side, each leaf dish is inoculated with 10 μ L sporangia suspensions.Chemicals treatment is carried out after dark moisturizing culture 24h.By leaf dish back side court
On be placed on the turntable of metered dose tower (it is 1 group often to repeat 15 leaf dishes), using level pressure 1.0kg/cm2, decoction 10mL, timing
1min, makes droplet uniform deposition at the leaf dish back side.After dispenser terminates, the leaf dish back side is put back to the culture dish for being covered with blotting paper upward
In.Then under the conditions of 17~22 DEG C, 12h alternation of light and darkness, relative humidity is culture under conditions of more than 90%.Often processing is set
4 repetitions, repeat 15 leaf dishes, and set the processing without medicament and make blank control every time.When the blank control incidence of disease reaches
When more than 80%, incidence of investigating is classified.Stage division reference《GB/T 17980.122-2004 bactericidal agent for preventing and treating Portugal
The field control effectiveness test criterion of grape downy mildew》Carry out.Calculate the disease index and prevention effect of each processing.
Disease index is calculated by formula (3), and prevention effect is calculated by formula (2), and result of calculation retains 2 significant digits.
(4) to black scurf of potato bacterium and the bioactivity of phytophthora capsici
Reference《NYT 1156.2-2006 farm-chemical indoor determination test rule bactericide part 2s：Suppress cause of disease true
Bacterium mycelial growth tests Plating》Carry out.
With black scurf of potato bacterium (Rhizoctonia solani) or phytophthora capsici (Phytophthora capsic)
For for examination pathogen, laboratory inclined-plane is preserved into inoculation activation culture in PDA culture medium, culture to colony diameter reaches
6cm or so is standby.
It is standby after the sterilizings such as PDA culture medium, deionized water, line triangular flask, culture dish, pipette tips, card punch, inoculator.
Under aseptic technique, the sterilizing PDA culture medium for advance thawing being cooled into about 50 DEG C is quantitatively adding sterilizing and drawn
In wire triangle bottle, make culture medium concordant with (60mL) at line, then draw 600 μ L decoctions successively from low concentration to high concentration,
It is separately added into above-mentioned triangular flask, fully shakes up, rear equivalent is poured into 4 culture dishes (Φ 9cm), and 5 concentration gradient bands are made
Medicine flat board.And set the processing without medicament and make blank control.Will in PDA culture medium cultured pathogen, in aseptic condition
It is lower to cut bacteria cake from the same circumference of colony edge with sterilization punchers (Φ 5mm), pure culture biscuits involvng inoculation is put down in pastille with inoculator
Plate center, mycelia down, covers ware lid, the dark culturing in 25 DEG C of incubators.According to mycelial growth feelings in blank control ware
Condition, uses kind of calliper colony diameter.Each bacterium colony uses crossing method vertical survey, takes its average value, calculates and mycelia is given birth to
Long inhibiting rate.
Each concentration for the treatment of is calculated to mycelial growth inhibition rate by formula (4), (5), and unit is percentage (%), result of calculation
Retain 2 significant digits.
D=D1-D2…………………………………………(4)
In formula：
D-bacterium colony increases diameter, and unit is millimeter (mm)；
D1- colony diameter, unit is millimeter (mm)；
D2- bacteria cake diameter, unit is millimeter (mm).
In formula：
I-mycelial growth inhibition rate, unit is percentage (%)；
D0- blank control bacterium colony increases diameter, and unit is millimeter (mm)；
Dt- chemicals treatment bacterium colony increases diameter, and unit is millimeter (mm).
(5) compositions contemplated activity judges
Judge bactericide in the transnational agricultural chemicals enterprise formulation patents such as compositions contemplated activity reference Bayer, elder generation just reach, Tao Shi
The method (COLBY methods) of compositions contemplated activity：COLBY, S.R.：“Calculating Synergistic and
Antagonistic Responses of Herbicide Combinations ", Weeds 15, p.20~22,1967 are carried out.
Compositions contemplated activity is calculated by (6) formula：
In formula：
Preventive effect or inhibiting rate when the consumption of X-bactericide 1 is P；
Preventive effect or inhibiting rate when the consumption of Y-bactericide 2 is Q；
Actual preventive effect or inhibiting rate after E-bactericide 1 is mixed according to the above ratio with bactericide 2, i.e. mixture bactericide
Substantial activity；
E0The consumption of-bactericide 1 is the theoretical preventive effect or inhibiting rate, i.e. mixture bactericide when the consumption of P+ bactericide 2 is Q
Expection activity.
As E ＞ E0When, if that is, the substantial activity of Mixed Pharmacy exceedes calculated expection activity, the combination just has
Super superposition, that is, act synergistically.
2nd, result of the test
Result of the test refers to table 1~5, it is seen then that active components A (phosphorous acid or its salt) is with being selected from active component B (nitre benzene bacterium
Ester, picarbutrazox, smart furalaxyl etc.) medicament mixture after, substantial activity is all higher than expection activity, illustrate phosphorous acid or
Its salt has synergy with the medicament mixture in active component B.
The phosphorous acid sodium salt of table 1 and synergy effect of the nitre benzene bacterium ester mixture to cucumber powdery mildew's pathogen
The phosphorous acid of table 2 and synergy effect of the picarbutrazox mixtures to bacterium of downy mildew of cucumber
The phosphorous acid calcium salt of table 3 and synergy effect of the smart furalaxyl mixture to Plasmopara viticola
The phosphorous acid of table 4 and synergy effect of the fluorine azoles bacterium acyl azanol mixture to black scurf of potato bacterium
The phosphorous acid aluminium salt of table 5 and synergy effect of the pyriofenone mixtures to phytophthora capsici
Claims (5)
1. bactericidal composition, it is characterised in that including active components A and B.
2. bactericidal composition as claimed in claim 1, it is characterised in that described active components A is phosphorous acid or its salt.
3. bactericidal composition as claimed in claim 1, it is characterised in that described active component B is smart furalaxyl, enemy's sulphur
Sodium, fluorine acid imide, fluorine azoles bacterium acyl azanol, nitre benzene bacterium ester, Tolprocarb, pyriofenone, tebufloquin,
One or more kinds of combinations in picarbutrazox, mancopper.
4. the bactericidal composition as described in claim 1,2 or 3, it is characterised in that in addition to active components A and B, in addition to agriculture
The auxiliary agent that can be used in medicine preparation processing.
5. the bactericidal composition as described in claim 1,2,3 or 4, it is characterised in that be applied to controlling plant diseases.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710267961.2A CN106993628A (en) | 2017-04-22 | 2017-04-22 | Bactericidal composition containing phosphorous acid or its salt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710267961.2A CN106993628A (en) | 2017-04-22 | 2017-04-22 | Bactericidal composition containing phosphorous acid or its salt |
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| CN106993628A true CN106993628A (en) | 2017-08-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372532A (en) * | 2017-08-11 | 2017-11-24 | 北京科发伟业农药技术中心 | The bactericidal composition of the urethane of pyrrole containing tetrazolium |
| WO2021153748A1 (en) | 2020-01-29 | 2021-08-05 | 日本曹達株式会社 | Agricultural and horticultural composition |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108526A (en) * | 1985-12-16 | 1987-07-01 | 希巴-盖吉股份公司 | Bactericide |
| CN101198254A (en) * | 2005-06-21 | 2008-06-11 | 拜尔农科股份有限公司 | Fungicide composition comprising a phosphorous acid derivative, a mandelamide type compound and a further fungicide compound |
-
2017
- 2017-04-22 CN CN201710267961.2A patent/CN106993628A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108526A (en) * | 1985-12-16 | 1987-07-01 | 希巴-盖吉股份公司 | Bactericide |
| CN101198254A (en) * | 2005-06-21 | 2008-06-11 | 拜尔农科股份有限公司 | Fungicide composition comprising a phosphorous acid derivative, a mandelamide type compound and a further fungicide compound |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372532A (en) * | 2017-08-11 | 2017-11-24 | 北京科发伟业农药技术中心 | The bactericidal composition of the urethane of pyrrole containing tetrazolium |
| WO2021153748A1 (en) | 2020-01-29 | 2021-08-05 | 日本曹達株式会社 | Agricultural and horticultural composition |
| JPWO2021153748A1 (en) * | 2020-01-29 | 2021-08-05 | ||
| CN114980742A (en) * | 2020-01-29 | 2022-08-30 | 日本曹达株式会社 | Agricultural and horticultural compositions |
| KR20220133872A (en) | 2020-01-29 | 2022-10-05 | 닛뽕소다 가부시키가이샤 | Agro-horticultural composition |
| JP7273199B2 (en) | 2020-01-29 | 2023-05-12 | 日本曹達株式会社 | agricultural and horticultural composition |
| KR102646989B1 (en) | 2020-01-29 | 2024-03-12 | 닛뽕소다 가부시키가이샤 | Agricultural and horticultural compositions |
| EP4098122A4 (en) * | 2020-01-29 | 2024-03-27 | Nippon Soda Co., Ltd. | AGRICULTURAL AND HORTICULTURE COMPOSITION |
| AU2021213611B2 (en) * | 2020-01-29 | 2024-09-19 | Nippon Soda Co., Ltd. | Agricultural and horticultural composition |
| US12225907B2 (en) | 2020-01-29 | 2025-02-18 | Nippon Soda Co., Ltd. | Agricultural and horticultural composition |
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