CN108651514A - A kind of composition pesticide containing fosthiazate and fluxapyroxad - Google Patents
A kind of composition pesticide containing fosthiazate and fluxapyroxad Download PDFInfo
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- CN108651514A CN108651514A CN201810585308.5A CN201810585308A CN108651514A CN 108651514 A CN108651514 A CN 108651514A CN 201810585308 A CN201810585308 A CN 201810585308A CN 108651514 A CN108651514 A CN 108651514A
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/26—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-nitrogen bonds
- A01N57/32—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-nitrogen bonds containing heterocyclic radicals
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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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Abstract
The invention discloses a kind of composition pesticide containing fosthiazate and fluxapyroxad, the composition pesticide active ingredient include fosthiazate and fluxapyroxad, and the quality parts ratio of the active ingredient fosthiazate and fluxapyroxad is 1:5~20:1, the mass percentage that the two accounts for composition is 1~60%.The composition pesticide has special efficacy as the application for preparing prevention soil-borne disease, plant root-knot nematodes, powdery mildew, gray mold, graywall, scab, anthracnose, rust, banded sclerotial blight drug to Cucumber Blight and Cucumber root-knot nematode disease.
Description
Technical field
The invention belongs to technical field of pesticide, it is related to a kind of composition pesticide containing fosthiazate and fluxapyroxad in crop
Application on pest and disease damage.
Background technology
Soil-borne disease refer to pathogen life in the soil, condition suitable for when from crop root or stem infringement crop and draw
The disease risen, it is harmful in China's various crop, and growth trend is presented.Since soil-borne disease has very strong infection
Property, fulminant and destructiveness, the limited feature of therapeutic effect, once humiture, suitable for the generation of germ, short-term interior energy quickly flows
Row, a large amount of germs propagate and spread with water, cause repeatedly to infect again, it is difficult to prevent.The generation of soil-borne disease and root-knot nematode and
Subterranean pest-insect has certain relationship, and after root-knot nematode endangers, soil-borne disease also occurs seriously.
Soil-borne disease is generally poor to the sensibility of medicament, and the natural cover effect of soil increases difficulty of prevention and cure.
Soil-borne disease of cucumber has cucumber root-knot nematode, Cucumber Blight, cucumber samping off, cucumber root rot, cucumber rhizoctonia rot, cucumber climing withered
Disease etc., soil-borne disease are important biomolecule disasters in cucumber production, it has also become restrict one of the principal element of cucumber sustainable development.
Fosthiazate (fosthiazate) is contact and inner sucting conduction type nematicide, can hinder nematode with low dosage
Activity, prevent intrusion of the nematode to plant root, main effect model is the synthesis for inhibiting root-knot nematode acetylcholinesterase,
It can be used for preventing all kinds of root-knot nematodes, aphid etc..It can be widely applied to vegetables, banana, fruit tree, the crops such as medicinal material.
One is the acid amide fungicides that BASF AG develops for fluxapyroxad (fluxapyroxad), are also succinic acid
Dehydrogenase inhibitor has preventive and therapeutic action, inhibits spore-germination, mycelia growth and sporogenesis.Uptake and translocation is strong,
It is evenly supplied to vane tip after being absorbed into wax coat, the lasting period is longer, to the high target of pathogen.Fluxapyroxad is wide
Spectrality fungicide is mainly used for the crops such as cereal, soybean, corn, veterinary antibiotics, industrial crops, at blade face or seed
Reason prevention multiple diseases.
In the real process of agricultural production, the production that the problem of pest and disease damage most easily produces is pest and disease damage drug resistance is prevented
It is raw.Different cultivars ingredient is compounded, and is to prevent the very common method of resistance pest and disease damage, by different role mechanism it is effective at
It point is compounded, is that pest and disease damage is delayed to develop immunity to drugs common method, complex role is significantly formulated, can significantly improve
Preventive effect, substantially reduces the dosage of pesticide, expands prevention spectrum, both can controlling disease, can also pest control, about fosthiazate and fluorine
The compounding of azoles bacterium amide, has no have been reported that at present.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide, one kind is applied widely, has synergistic effect, makes
With at low cost, environmental pollution is small, the fosthiazate of plant disease and protection from pest insects and the pesticide of fluxapyroxad can be solved the problems, such as
Combination, active ingredient are fosthiazate and fluxapyroxad.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of composition pesticide containing fosthiazate and fluxapyroxad, which is characterized in that the composition pesticide effectively at
Point include fosthiazate and fluxapyroxad, the quality parts ratio of the active ingredient fosthiazate and fluxapyroxad is 1:5~20:
1, the mass percentage that both the active ingredient fosthiazate and fluxapyroxad account for composition is 1~90%.
Further, the quality parts ratio of fosthiazate and fluxapyroxad is 1:5~15:1.
Further, the quality parts ratio of fosthiazate and fluxapyroxad is 13:3、12:1、10:1、8:3、9:2、 7:5.
Further, the mass percentage that both fosthiazate and fluxapyroxad account for composition is 10~80%.
Wherein effective ingredient is present in enhancing effective amount in composition in composition pesticide, and " % " of the present invention is equal
For mass percentage.
The composition pesticide, using fosthiazate and fluxapyroxad be principle active component with known additive compound at
Any one dosage form allowed on pesticide, preferred dosage form have granule, microcapsule suspending agent, water dispersible granules, aqueous emulsion, breast
Oil, suspension seed-coating agent, microemulsion, suspending agent.
The auxiliary agent includes solvent, wetting agent, dispersant, disintegrant, binder, emulsifier, stabilizer, antifoaming agent, prevents
Freeze agent, preservative, thickener, cyst material, filler etc., be all commonly used in agriculture field preparation or allow to use it is various at
Point, it is not particularly limited, specific ingredient and dosage are according to the recipe requirements determined by the test etc..
The solvent be selected from ethyl alcohol, normal propyl alcohol, isopropanol, propylene glycol, glycerine, n-butanol, acetone, butanone, cyclohexanone,
Toluene, dimethylbenzene, trimethylbenzene, durene, methyl naphthalene, methyl oleate, ethyl acetate, fatty acid methyl ester, loose base oil, soybean oil,
Rapeseed oil, biodiesel, isooctanol, sec-Butyl Acetate, dimethyl carbonate, diesel oil, white oil, machine oil, disalt base ester, N- methyl pyrroles
The mixture of one or more of pyrrolidone, DMAC N,N' dimethyl acetamide, deionized water etc..
The wetting agent is selected from fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether, naphthalene sulfonate, dodecyl sulphate
The mixture of one or more of sodium, Teepol, alkylsulfonate etc..
The dispersant be selected from sodium lignin sulfonate, calcium lignosulfonate, Sodium Polyacrylate, di-2-ethylhexylphosphine oxide naphthalene sulfonate,
Alkyl benzene sulfonate calcium salt, alkylbenzenesulfonate amine salt, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products, carboxymethyl cellulose, polyethylene
The mixture of one or more of alcohol, polyvinylpyrrolidone, sodium tripolyphosphate, alkylnaphthalene sulfonate condensation polymer etc..
The disintegrant is selected from selected from ammonium sulfate, urea, starch and its derivative, low-substituted hydroxypropyl cellulose, poly- second
One or more of the medium mixing of alkene pyrrolidone, sodium alginate, calcium chloride, sodium chloride, magnesium chloride, aluminium chloride
Object.
The binder is selected from glucose, sucrose, hydroxyethyl cellulose, soluble starch, polyethylene glycol, Methyl cellulose
Element, polycarboxylic acid and water-soluble high-molecular compound sodium carboxymethylcellulose, polyvinyl alcohol, paraffin, gypsum, hydroxypropyl methyl are fine
Tie up the mixture of one or more of element, polyacrylamide etc..
The emulsifier be selected from agriculture breast 400, agriculture breast 500, agriculture breast 600, Nongru-700, NP series, 0201B, 0203B,
2201, peaceful breast 31, peaceful breast 33, peaceful breast 37,0202,0202C, APES sulfosuccinate, castor-oil plant
Oily polyoxyethylene ether, aliphatic acid polyethenoxy ether, polyoxyethylene aliphatic alcohol ether, ethoxy castor oil, polymethyl acrylate, fat
The mixture of one or more of acid polyethylene glycol ester, trilaurin polyoxyethylene ether etc..
The stabilizer is selected from sodium citrate, resorcinol, epoxidized soybean oil, epoxychloropropane, epoxidized linseed oil, season penta
The mixture of one or more of tetrol, xylitol, butylated hydroxy anisole etc..
The antifoaming agent is selected from silicone oil, silicone compound, C10-20Saturated fat acids compound, C8-10Aliphatic alcohols,
The mixture of one or more of hexanol, butanol, octanol etc..
The antifreezing agent is in ethylene glycol, propylene glycol, glycerine, polyethylene glycol, sorbierite, urea, inorganic salts etc.
One or more kinds of mixtures.
The preservative is in formaldehyde, benzoic acid, sodium benzoate, potassium sorbate, Kathon CG Kathon, isothiazolinone etc.
One or more kinds of mixtures.
The thickener is selected from selected from xanthans, organobentonite, aluminium-magnesium silicate and white carbon, gelatin, Arabic gum, gathers
The mixture of one or more of vinyl alcohol etc..
Another object of the present invention is to provide composition pesticides to cause as preparation prevention plant epiphyte and root-knot nematode
Disease drug application, especially as prepare prevention soil-borne disease, plant root-knot nematodes, powdery mildew, gray mold, greyness
The application of disease, scab, anthracnose, rust, banded sclerotial blight drug.Composition pesticide provided by the invention is to Cucumber Blight and cucumber
Root knot nematode disease has special efficacy.
Advantages of the present invention is：
(1) present composition compounds, and apparent synergistic function is shown within a certain ratio range, compared with single dose
Exclusive use significantly improves control effect, to reduce the dosage of pesticide, reduces times for spraying, reduces pesticide
To the adverse effect of ecological environment.
(2) two kinds of mechanisms of action it is different active ingredient compounding, not only increase preventive effect, and expand prevention it is general, both
Fungal disease can be prevented, moreover it is possible to prevent root-knot nematode.
(3) present composition compounds, and can overcome single dose that the shortcomings that easy ting produce resistance is used for a long time, extend medicament
Service life, to the comprehensive treatment important in inhibiting of pest and disease damage resistance.
(4) compared with single dose, fosthiazate is more than the activity of independent component with the activity of fluxapyroxad composition, reduces
Production and application cost reduces preventing and controlling amount and drug cost.
(5) quality parts ratio of fosthiazate and fluxapyroxad is 13:3、12:1、10:1、8:3、9:2、7:5 pairs of cucumber
The prevention of epidemic disease and Cucumber root-knot nematode disease is synergistic significantly, to preventing soil-borne disease of cucumber important in inhibiting.
Specific implementation mode
Invention is further described in detail with reference to embodiments, and the preparation method of dosage form is routine in embodiment
Method.
(1), example of formulations
Embodiment 1：48% fosthiazate:Fluxapyroxad granule
Fosthiazate 39%, fluxapyroxad 9%, quality sodium sulfonate 5%, polyvinylpyrrolidone 5%, glucose 5%, jade
Rice starch 5%, rice chaff 2%, attapulgite supply 100%.Concrete operation step：Above-mentioned raw materials are mixed in mixed cylinder
It is even, by extruding, granulation, drying, last screened step, you can 48% fosthiazate fluxapyroxad granule is made.
Embodiment 2：52% fosthiazate fluxapyroxad granule
Fosthiazate 48%, fluxapyroxad 4%, nonylphenol polyoxyethylene ether 8%, sodium methylene bis-naphthalene sulfonate formaldehyde condensation
Object 6%, white carbon 5%, sepiolite supplies 100%.Concrete operation step：Above-mentioned material is mixed in proportion, after mechanical crushing
Again through air-flow crushing, after mixing, you can be made 52% fosthiazate fluxapyroxad granule.
Embodiment 3：33% fosthiazate fluxapyroxad microemulsion
Fosthiazate 30%, fluxapyroxad 3%, durene 10%, disalt base ester 5%, alkyl phenol polyoxyethylene ether sulfo group
Succinate 8%, epoxychloropropane 3%, Octacide 264 1.5%, ethylene glycol 2%, silicone oil 0.3%, deionized water supply 100%.
Concrete operation step：Above-mentioned material is mixed in proportion, after high shear agitation is uniform, you can 33% fosthiazate fluorine is made
Azoles bacterium amide microemulsion.
Embodiment 4：44% fosthiazate fluxapyroxad microemulsion
Fosthiazate 32%, fluxapyroxad 12%, trimethylbenzene (solvent) 10%, dimethyl carbonate 5%, peaceful breast 31
10%, resorcinol 2.5%, Octacide 264 2%, ethylene glycol 2%, silicone oil 0.3%, deionized water supply 100%.By above-mentioned material
It mixes in proportion, after high shear agitation is uniform, you can 44% fosthiazate fluxapyroxad microemulsion is made.
Embodiment 5：55% fosthiazate fluxapyroxad aqueous emulsion
Fosthiazate 45%, fluxapyroxad 10%, N-dodecylpyrrolidone 3.5%, biphenyl phenol polyethenoxy ether
3.5%, dimethylbenzene 10%, calcium dodecyl benzene sulfonate 5.0%, organosilicon 0.8%, water complement to 100%.Concrete operations walk
Suddenly：Fosthiazate will be contained to dissolve with fluxapyroxad active compound, solvent, emulsifier, then mixed with water, and the high speed of reacted kettle
The high speed shear of stirring and cutter, obtains 55% fosthiazate fluxapyroxad aqueous emulsion.
Embodiment 6：48% fosthiazate fluxapyroxad aqueous emulsion
Fosthiazate 28%, fluxapyroxad 20%, cyclohexanone 10%, sec-Butyl Acetate 5%, polyoxyethylene aliphatic alcohol ether
10%, epoxidized linseed oil 3%, Butacide 2%, ethylene glycol 2%, silicone oil 0.3%, deionized water supply 100%.By above-mentioned material
It mixes in proportion, after high shear agitation is uniform, you can 48% fosthiazate fluxapyroxad aqueous emulsion is made.
Embodiment 7：15% fosthiazate fluxapyroxad microemulsion
Fosthiazate 5%, fluxapyroxad 10%, methyl naphthalene 10%, dimethyl carbonate 5%, peaceful newborn No. 31 10%, epoxy
Chloropropane 3%, Octacide 264 2%, ethylene glycol 2%, silicone oil 0.3%, deionized water supply 100%.Above-mentioned material is mixed in proportion
It closes, after high shear agitation is uniform, you can 15% fosthiazate fluxapyroxad microemulsion is made
Embodiment 8：25% fosthiazate fluxapyroxad aqua
Fosthiazate 10%, fluxapyroxad 15, % cyclohexanone 5%, loose base oil 8%, fatty acid polyethylene glycol ester 8%, season
Penta tetrol 3%, ethylene glycol 2%, silicone compound 0.2%, Kathon CG Kathon 0.2%, gelatin 1%, deionized water is supplied
100%.Above-mentioned material is mixed in proportion, after high shear agitation is uniform, you can 25% fosthiazate fluorine azoles bacterium acyl is made
Aqueous amine agent.
Embodiment 9:6% fosthiazate fluxapyroxad granule
Fosthiazate 3%, fluxapyroxad 3%, quality sodium sulfonate 5%, polyvinylpyrrolidone 5%, glucose 5%, jade
Rice starch 5%, rice chaff 2%, attapulgite supply 100%.Concrete operation step：Above-mentioned raw materials are mixed in mixed cylinder
It is even, by extruding, granulation, drying, last screened step, you can 6% fosthiazate fluxapyroxad granule is made
(2), the embodiment of indoor biological determination of activity
1, fosthiazate and fluxapyroxad compound the indoor toxicity determination test to Cucumber root-knot nematode disease
Subjects：Cucumber root-knot nematode
Test method：Pot-culture method
The pieces of an egg sterile water wash of picking root-knot nematode, is placed on the wet filter paper of culture dish from cucumber root, is added
20ml sterile waters are hatched at 20 DEG C -25 DEG C, obtain age consistent 2 instar larvaes, 200/ml is diluted to sterile water.In Huang
The two leaf phase of melon is inoculated with 2 instar larvaes, using root injection method, takes in 5ml nematode inoculation liquids injection rhizosphere soil, native for 24 hours after inoculation
Earth keep 70%-80% humidity, cucumber be inoculated with root-knot nematode after it is spare.Active constituent fosthiazate is with fluxapyroxad according to 1:1、
15:1、13:3、12:1、10:1、8:3、9:2、 7:5 ratio requirement is configured to mother liquor, is then diluted to purified water suitable dense
Degree carries out root irrigation.Cucumber seedling is placed in phjytotron after chemicals treatment, then 25-30 DEG C, 12h alternation of light and darkness,
30d is cultivated under the conditions of relative humidity 35%-50%.Each to repeat 4 basin of random searching, each processing amounts to 16 basin cucumber of investigation,
Investigation result is recorded, and calculates preventive effect, concentration EC in inhibiting is calculated with least square method50, test result such as table 1.
According to Sun Yunpei's Method, the synergistic effect of pharmacy mix is evaluated according to co-toxicity coefficient (CTC), i.e. CTC≤80 are association
Same antagonism, 80 ＜ CTC ＜ 120 are joint action of antagonism, and CTC >=120 are synergistic function.
Survey toxicity index (ATI)=(EC of standard agent50The EC of/reagent agent50)×100；
The virulence of the percentage composition+B medicaments of A medicaments refers in toxicity index × mixture of theoretical toxicity index TTI=A medicaments
The percentage composition of B medicaments in number × mixture；
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] × 100.
2, fosthiazate and fluxapyroxad compound the indoor toxicity determination test to Cucumber Blight
Subjects：Cucumber Blight
Test method：Mycelial growth rate method
5 effective concentrations that various medicaments are filtered out by trial test, are made PDA plate, by the cucumber of diameter 6mm
Epidemic disease bacterium mycelia block places pastille culture medium tablet center and replaces liquid to compare per 1 piece of ware with the solvent of not drug containing, often locate
3 repetitions are managed, 25 DEG C of culture 3d measure colony diameter, calculate inhibiting rate, find out virulence regression equation and median effective concentration
(EC50)., test result such as table 2, circular is as follows：Using a certain single dose in mixture (EC is generally selected as standard agent50
Junior), it is calculated：
Toxicity index (TI)=standard agent EC50/ reagent agent EC50×100
Theoretical toxicity index (TTI)=standard agent toxicity index × standard agent in mixing assembles percentage+
Reagent agent toxicity index × reagent agent percentage in mixing assembles
The EC of actual toxicity index (ATI)=standard single dose50The EC of value/mixture50Value × 100
Co-toxicity coefficient (CTC)=survey toxicity index/theoretical toxicity index × 100
Co-toxicity coefficient is classified：CTC>120 mixtures have synergistic function, CTC<80 mixtures have antagonism, 80≤
The mixtures of CTC≤120 have summation action.
1 fosthiazate of table compounds the Toxicity Determination to Cucumber root-knot nematode disease with fluxapyroxad
| Reagent agent | Proportioning | EC50(mg/L) | ATI | TTI | CTC |
| Fosthiazate (A) | - | 8.45 | --- | --- | --- |
| Fluxapyroxad (B) | - | 14.08 | --- | --- | --- |
| A:B | 1:1 | 8.69 | 97.24 | 80.01 | 121.54 |
| A:B | 15:1 | 6.87 | 123.00 | 97.50 | 126.15 |
| A:B | 13:3 | 5.17 | 163.44 | 92.50 | 176.69 |
| A:B | 12:1 | 5.83 | 144.94 | 96.92 | 149.54 |
| A:B | 10:1 | 6.02 | 140.37 | 96.36 | 145.66 |
| A:B | 8:3 | 6.92 | 122.11 | 89.09 | 137.06 |
| A:B | 9:2 | 6.45 | 131.01 | 92.73 | 141.28 |
| A:B | 7:5 | 7.64 | 110.60 | 83.34 | 132.71 |
As known from Table 1, fosthiazate is compounded with fluxapyroxad 1:3~15:Between 1, have to Cucumber root-knot nematode disease
Synergistic function, co-toxicity coefficient equal 120 or more, when fosthiazate and fluxapyroxad compounding ratio are 13:3、12:1、10:1、8:
3、9:2、7:The most apparent to Cucumber root-knot nematode disease synergy when 5, the co-toxicity coefficient of the two compounding is 130 or more, with thiazole
Phosphine is with fluxapyroxad compounding than being 13:When 3, co-toxicity coefficient is up to 176.69, most notable to Cucumber root-knot nematode disease synergy.
2 fosthiazate of table compounds the Toxicity Determination to Cucumber Blight with fluxapyroxad
| Reagent agent | Proportioning | EC50(mg/L) | ATI | TTI | CTC |
| Fosthiazate (A) | - | 13.47 | --- | --- | --- |
| Fluxapyroxad (B) | - | 6.12 | --- | --- | --- |
| A:B | 1:1 | 6.68 | 91.62 | 72.72 | 125.99 |
| A:B | 15:1 | 9.82 | 62.32 | 48.84 | 127.59 |
| A:B | 13:3 | 8.02 | 76.31 | 55.67 | 137.09 |
| A:B | 12:1 | 8.91 | 68.69 | 49.63 | 138.39 |
| A:B | 10:1 | 9.09 | 67.33 | 50.39 | 133.60 |
| A:B | 8:3 | 6.26 | 97.76 | 60.32 | 162.09 |
| A:B | 9:2 | 7.31 | 83.72 | 55.36 | 151.24 |
| A:B | 7:5 | 5.38 | 113.75 | 68.17 | 166.87 |
As known from Table 2, fosthiazate is compounded with fluxapyroxad 1:3~15:It is bright to Cucumber Blight synergy between 1
It is aobvious, when fosthiazate and fluxapyroxad compounding ratio are 13:3、12:1、10:1、8:3、9:2、7:When 5, most to Cucumber Blight synergy
To be apparent, the co-toxicity coefficient of the two compounding is 130 or more, with fosthiazate and fluxapyroxad compounding than for 7:When 5, poison is altogether
Number is up to 166.87, most notable to Cucumber Blight synergy.
(3) field control effectiveness test
1, the field control effectiveness test of fosthiazate and fluxapyroxad combination preparation to Cucumber root-knot nematode disease
Trial crops：Cucumber
Controlling object：Root-knot nematode
Reagent agent：The dosages distribution of this experimental evidence above example, active ingredient are fosthiazate fluorine azoles bacterium acyl
The quality of amine and 30% fosthiazate granule, 10% fluxapyroxad microemulsion.
Test method：Experimental field about 640 ㎡ is chosen in Sanshui District of Foshan City, is divided into 4 district's groups, 24 cells,
It is about 20 ㎡ per plot area.Experiment sets 6 processing, each handles 4 repetitions, is arranged by random district's groups.Surrounding sets protection row.
Reagent agent is mixed into fine earth by every cell dosage respectively, per cell fine earth 1.5kg, is uniformly spread fertilizer over the fields in the ditch held successfully, then
It is uniformly mixed with soil, to ensure drug effect, dispenser same day transplant planting cucumber.
Investigation method：It extracts the Cucumber root investigation state of an illness within 120 days after dispenser and calculates control effect.Per cell use with
Machine mode is investigated, 120 plants of random searching, investigates every plant of root knot number, incidence is recorded respectively according to following grade scale.
Diseased plant grade scale：0 grade：Root system is without insect gall；1 grade：Root system has a small amount of small insect gall；3 grades：2/3rds root systems are covered with
Small insect gall；5 grades：Root system is covered with small insect gall and has secondary insect gall；7 grades：Root system forms fibrous root group；
Column index formula, which is pressed, according to disease index calculates control effect, then the difference by preventive effect between the processing of DMRT method measurement
Different conspicuousness.
Disease index=[(diseased plant numbers at different levels × opposite value of series)/(investigation total strain number × 7) Σ] × 100
Control effect (%)=[(control disease index-processing disease index)/control disease index] × 100
3 fosthiazate of table is with fluxapyroxad combination preparation to the field control effectiveness test of Cucumber root-knot nematode disease
From table 3 it can be seen that fosthiazate is compounded with fluxapyroxad shows that this is multiple to the field trial of cucumber root-knot nematode
Dose out powders are significantly improved to the control effect of cucumber root-knot nematode compared with single dose, have no the compound drug to cucumber during experiment
Poisoning.
2, the field control effectiveness test of fosthiazate and fluxapyroxad combination preparation to Cucumber Blight
Test method：Test arrangement is carried out in Fushan City, Guangdong Province Sanshui District green cucumber, RANDOMIZED BLOCK DESIGN, per small
Area area 15m2, often handle 3 repetitions.It is tested after 2 weeks in cucumber akala.The Causal Organism of Cucumber Blight of 5d will be grown on culture medium
Silk is ground into hyphal suspension, and spray inoculation is on cucumber seedling.By 10% thiophene of liquid of prepared different quality concentration after 6h
Azoles phosphine aqua sprays to cucumber seedling with 10% fluxapyroxad suspending agent, and dose is subject to when being sprayed onto blade and starting to drip,
It is compareed by blank control and medicament of clear water, disease index is investigated after the onset of waiting for blank control completely and calculates control effect.
Investigation method：Take 5 points of investigation at random per cell, look into 2 plants, and every plant is investigated 10 leaves altogether at every.With each blade disease
Spot area accounts for the percentage classification on entire blade face, and grade scale is as follows：
0 grade, disease-free spot；
1 grade, lesion area accounts for 5% or less entire blade face；
3 grades, lesion area accounts for the 6%~10% of entire blade face；
5 grades, lesion area accounts for the 11%~20% of entire blade face；
7 grades, lesion area accounts for the 21%~50% of entire blade face；
9 grades, lesion area accounts for 50% or more of entire blade face.
Disease index and control effect are calculated, and (DMRT methods) for statistical analysis using SPSS16.0 version softwares：Disease
Feelings index=∑ (the disease number of sheets × typical value at different levels at different levels)/investigation total number of sheets × superlative degree typical value
4 fosthiazate of table is with fluxapyroxad combination preparation to the field control effectiveness test of Cucumber Blight
As can be seen from Table 4, after fosthiazate and fluxapyroxad compounding can effective cucumber blight disease, control effect is excellent
In the preventive effect of single dose, and preventive effect phase is long.It has no adverse effects to target crop in experiment scope of medication.
It is above enlightenment according to the desirable embodiment of the present invention, through the above description, related personnel completely can be
In the range of this invention technological thought, various changes and amendments are carried out.The technical scope of this invention is simultaneously
The content being not limited on specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of composition pesticide containing fosthiazate and fluxapyroxad, which is characterized in that the composition pesticide active ingredient
Including fosthiazate and fluxapyroxad, the quality parts ratio of the active ingredient fosthiazate and fluxapyroxad is 1:5~20:1,
The mass percentage that both the active ingredient fosthiazate and fluxapyroxad account for composition is 1~90%.
2. a kind of composition pesticide containing fosthiazate and fluxapyroxad according to claim 1, it is characterised in that：Thiazole
The quality parts ratio of phosphine and fluxapyroxad is 1:5~15:1.
3. a kind of composition pesticide containing fosthiazate and fluxapyroxad according to claim 1, it is characterised in that：Thiazole
The quality parts ratio of phosphine and fluxapyroxad is 13:3、12:1、10:1、8:3、9:2、7:5.
4. a kind of composition pesticide containing fosthiazate and fluxapyroxad according to claim 1, it is characterised in that：Thiazole
The mass percentage that both phosphine and fluxapyroxad account for composition is 10~80%.
5. a kind of pesticide combination containing fosthiazate and fluxapyroxad according to any claim in claim 1-4
Object, it is characterised in that：The dosage form of the composition pesticide have granule, microcapsule suspending agent, water dispersible granules, aqueous emulsion, missible oil,
Suspension seed-coating agent, microemulsion, suspending agent.
6. a kind of composition pesticide containing fosthiazate and fluxapyroxad according to claim 5, it is characterised in that：It is described
The dosage form of composition pesticide has granule, microcapsule suspending agent, water dispersible granules, aqueous emulsion.
7. a kind of composition pesticide containing fosthiazate and fluxapyroxad according to claim 5, it is characterised in that：It is described
The dosage form of composition pesticide is formed with fosthiazate, fluxapyroxad and additive compound, and the auxiliary agent includes solvent, wetting agent, divides
Powder, disintegrant, binder, emulsifier, stabilizer, antifoaming agent, antifreezing agent, preservative, thickener, cyst material, filler.
8. a kind of composition pesticide containing fosthiazate and fluxapyroxad according to claim 1, it is characterised in that：It is described
Composition pesticide is used to prevent the purposes of diseases and pests of agronomic crop.
9. a kind of composition pesticide containing fosthiazate and fluxapyroxad according to claim 8, it is characterised in that：It is described
Diseases and pests of agronomic crop is soil-borne disease, powdery mildew, gray mold, graywall, scab, anthracnose.
10. a kind of composition pesticide containing fosthiazate and fluxapyroxad according to claim 9, it is characterised in that：Institute
It is plant root-knot nematodes and Cucumber Blight to state soil-borne disease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810585308.5A CN108651514A (en) | 2018-06-08 | 2018-06-08 | A kind of composition pesticide containing fosthiazate and fluxapyroxad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810585308.5A CN108651514A (en) | 2018-06-08 | 2018-06-08 | A kind of composition pesticide containing fosthiazate and fluxapyroxad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108651514A true CN108651514A (en) | 2018-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810585308.5A Pending CN108651514A (en) | 2018-06-08 | 2018-06-08 | A kind of composition pesticide containing fosthiazate and fluxapyroxad |
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| CN (1) | CN108651514A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111742931A (en) * | 2020-08-06 | 2020-10-09 | 祥霖美丰生物科技(淮安)有限公司 | Pesticide composition containing fosthiazate and cyclobutrifuram and used for preventing and treating root-knot nematodes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102919261A (en) * | 2012-11-26 | 2013-02-13 | 联保作物科技有限公司 | Insecticidal disease-preventing composition and preparations thereof |
| CN103210955A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Thiazole phosphine and metalaxyl granule and preparation method thereof |
| CN106172438A (en) * | 2016-07-19 | 2016-12-07 | 广东中迅农科股份有限公司 | bactericidal composition |
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2018
- 2018-06-08 CN CN201810585308.5A patent/CN108651514A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102919261A (en) * | 2012-11-26 | 2013-02-13 | 联保作物科技有限公司 | Insecticidal disease-preventing composition and preparations thereof |
| CN103210955A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Thiazole phosphine and metalaxyl granule and preparation method thereof |
| CN106172438A (en) * | 2016-07-19 | 2016-12-07 | 广东中迅农科股份有限公司 | bactericidal composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111742931A (en) * | 2020-08-06 | 2020-10-09 | 祥霖美丰生物科技(淮安)有限公司 | Pesticide composition containing fosthiazate and cyclobutrifuram and used for preventing and treating root-knot nematodes |
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