CN105104384A - Sterilization composition containing metalaxyl-M and Azoxystrobin - Google Patents
Sterilization composition containing metalaxyl-M and Azoxystrobin Download PDFInfo
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- CN105104384A CN105104384A CN201510551673.0A CN201510551673A CN105104384A CN 105104384 A CN105104384 A CN 105104384A CN 201510551673 A CN201510551673 A CN 201510551673A CN 105104384 A CN105104384 A CN 105104384A
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- metalaxyl
- fluoxastrobin
- composition containing
- bactericidal composition
- azoxystrobin
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Abstract
The invention relates to a sterilization composition containing metalaxyl-M and Azoxystrobin. In the sterilization composition, the weight ratio of metalaxyl-M to Azoxystrobin is (6.8-14.8):(32.2-24.2). Based on the pesticide composition, common pesticide formulations, comprising a suspending agent, wettable powder and water dispersible granules, are prepared by using assistants generally known by technicians in the field and methods generally known by the technician in the field, wherein metalaxyl-M and Azoxystrobin account for 39wt%. The compounded composition of metalaxyl-M and Azoxystrobin has good preventing and controlling effect on Pythium diseases of turfgrass; two components metalaxyl-M and Azoxystrobin generate obvious synergistic effect after compounding and have no cross resistance. The sterilization composition has strong bactericidal effect and does not easily generate pesticide resistance; the dosage form is advanced and environmentally friendly, and has small pollution on environment; and no organic components are added in the sterilization composition preparation.
Description
Technical field
The present invention relates to technical field of pesticide combination.
Background technology
Lawn is with the dense planting of perennial short and small draft plant, and is managed by sown grassland or nourishment, works the meadow of the effect of afforesting and beautifying.Rot index throughout the country district generally occurs, all turfgrasss can be infected, as the Bermuda grass, red top etc. of the annual bluegrass of cold season, kentucky blue grass, thin and delicate creeping bentgrass, creeping bentgrass, Festuca Arundinacea, spire fescue grass, rough bluegrass, English ryegrass, Italian ryegrass and warm season, be wherein injured the heaviest with cold-season turfgrass.Cause the pythium spp of rot index to be a kind of soil inhabitant, have very strong S.It is usually present in invalid withered grass, soil or is present on this two media simultaneously, just has pathogenicity under only having applicable environmental condition.Pythium spp is a kind of to the exigent mould of water, and the residual body under flooding condition and in pond can grow well.Egg spore in soil and invalid body is most important primary infectious pathogen.The mycelium of pythium spp also can be survived the winter in the diseased plant of survival and in invalid body.Under optimum conditions, after Germination of Oospores, produce zoosporangium and zoospore, sprout after zoospore forms the spore that stops and produce germ tube and infect mycelia, invade each position of dogstail; Germination of Oospores also directly can generate germ tube and infect mycelia.
Metalaxyl-M belongs to phenylamide; for efficient, low toxicity, low-residual, the lasting period is long, insecticide-applying way is diversified, the wide spectrum systemic fungicide of the equal excellence of protection and result for the treatment of; cauline leaf process, seed treatment and soil treatment can be made; to the vegetables that downy mildew, phytophthora, pythium spp etc. cause; fruit tree, tobacco, oil plant; cotton, the crop pests such as grain have significant control efficiency.
Fluoxastrobin is methoxy acrylate (Strobilurin) series bactericidal agent, efficiently, wide spectrum, all have good activity to nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc.Fluoxastrobin belongs to mitochondrial respiratory inhibitor, namely passes through at the electro transfer of cytochrome B cl to cromoci, thus suppresses mitochondrial breathing.Bacterial strain 14-demethylation enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole being produced to resistance is effective.There is protection, root out, permeate, systemic activity.Spore germination and mycelial growth is suppressed also to suppress to produce spore.Can be used for cauline leaf spraying, seed treatment, also can carry out soil treatment, be mainly used in cereal, paddy rice, peanut, grape, potato, fruit tree, vegetables, coffee, lawn etc.
Summary of the invention
The object of this invention is to provide and a kind ofly there is synergistic effect and the composition of the lawn bactericide of the Metalaxyl-M of safety and environmental protection and azoxystrobin compound, realize improving drug effect, decreasing pollution, the object that reduces costs.
In order to solve the problem, the technical scheme adopted is:
Contain a bactericidal composition for Metalaxyl-M and Fluoxastrobin, wherein the part by weight scope of Metalaxyl-M and Fluoxastrobin is 6.8 ~ 14.8: 32.2 ~ 24.2.
Part by weight preferred 10.8:28.2,6.8:32.2,8.8:30.2,12.8:26.2,14.8:24.2 of described Metalaxyl-M and Fluoxastrobin.
On the basis of above-mentioned composition pesticide, the known auxiliary agent of those skilled in that art can be equipped with, make common pesticides formulation with the known method of those skilled in that art, comprise suspending agent, wetting powder, water dispersible granules, wherein Metalaxyl-M and Fluoxastrobin accounting are 39wt%.
Described auxiliary agent comprises: one or more in dispersant, wetting agent, thickener, antifreeze, emulsifier, filler, stabilizing agent, disintegrant, solvent, spreader-sticker, defoamer.
Described dispersant comprises: one or more in alkylaryl sulfonates and formaldehyde condensation products thereof, lignosulfonates, alkylphenol-polyethenoxy base ether formaldehyde condensation products, sulphate;
Described wetting agent comprises: one or more in polyoxyethylene groups alkyl aryl ether, polyoxyethylene alkylether, alkylbenzenesulfonate, alkylnaphthalene sulfonate;
Described thickener comprises: one or more in CMC-na, polyvinyl alcohol, xanthans, aluminium-magnesium silicate;
Described antifreeze comprises: one or more in ethylene glycol, propane diols, glycerine;
Described emulsifier comprises: one or more in anionic, cationic, nonionic and amphoteric emulsifier; Described anionic comprises agriculture breast 500# (dodecylbenzene sulfoacid calcium), and nonionic emulsifier comprises NP series, OP series, TX is serial, BY is serial, EL is serial, SPAN is serial, Tween is serial, PEG is serial, SG is serial;
Described filler comprises: one or more in kaolin, diatomite, bentonite, attapulgite, talcum powder, starch, glucose, sodium sulphate, precipitated calcium carbonate;
Described stabilizing agent comprises: one or more in 1,2-butanediol, isopropyl phosphoric acid ester, wgwinD902 (for suppressing the decomposition of emamectin benzoate and Avermectin);
Described disintegrant comprises: one or more in sodium chloride, ammonium sulfate, urea, sodium sulphate;
Described solvent comprises: one or more in DMF, toluene, N, N-Poly Dimethyl Diallyl Ammonium Chloride pyrrolidones, cyclohexanone, chloroform, acetone;
Described spreader-sticker comprises: one or more in nonionic or anion surfactant, lignosulfonates, lactic casein;
Described defoamer comprises: one or more in defoamer S, silicone defoaming agent.
Metalaxyl-M of the present invention and azoxystrobin compound composition have good control efficiency to lawn rot index: 1. two kinds of compositions are composite, have notable synergistic effect; 2. between two compositions without cross resistance; 3. bactericidal action is strong, not easily develops immunity to drugs; 4. the advanced environmental protection of formulation, environmental pollution is little, does not add organic principle in preparation.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further details.
Embodiment 1
Metalaxyl-M in composition pesticide: the weight ratio of Fluoxastrobin is 6.8:32.2, prepares 5 concentration gradients: in medium, the final concentration of (Metalaxyl-M+Fluoxastrobin) is respectively 0.08mg/L, 0.16mg/L, 0.32mg/L, 0.64mg/L, 1.28mg/L during use.
Embodiment 2
Metalaxyl-M in composition pesticide: the weight ratio of Fluoxastrobin is 8.8:30.2, prepares 5 concentration gradients: in medium, the final concentration of (Metalaxyl-M+Fluoxastrobin) is respectively 0.08mg/L, 0.16mg/L, 0.32mg/L, 0.64mg/L, 1.28mg/L during use.
Embodiment 3
Metalaxyl-M in composition pesticide: the weight ratio of Fluoxastrobin is 10.8:28.2, prepares 5 concentration gradients: in medium, the final concentration of (Metalaxyl-M+Fluoxastrobin) is respectively 0.08mg/L, 0.16mg/L, 0.32mg/L, 0.64mg/L, 1.28mg/L during use.
Embodiment 4
Metalaxyl-M in composition pesticide: the weight ratio of Fluoxastrobin is 12.8:26.2, prepares 5 concentration gradients: in medium, the final concentration of (Metalaxyl-M+Fluoxastrobin) is respectively 0.08mg/L, 0.16mg/L, 0.32mg/L, 0.64mg/L, 1.28mg/L during use.
Embodiment 5
Metalaxyl-M in composition pesticide: the weight ratio of Fluoxastrobin is 14.8:24.2, prepares 5 concentration gradients: in medium, the final concentration of (Metalaxyl-M+Fluoxastrobin) is respectively 0.08mg/L, 0.16mg/L, 0.32mg/L, 0.64mg/L, 1.28mg/L during use.
Comparative example 1
Metalaxyl-M single dose, prepares 5 concentration gradients: in medium, the final concentration of Metalaxyl-M is respectively 0.08mg/L, 0.16mg/L, 0.32mg/L, 0.64mg/L, 1.28mg/L during use.
Comparative example 2
Fluoxastrobin single dose, prepares 5 concentration gradients: in medium, the final concentration of Fluoxastrobin is respectively 0.125mg/L, 0.25mg/L, 0.5mg/L, 1mg/L, 2mg/L during use.
For determining Metalaxyl-M and the composite synergistic effect of Fluoxastrobin two kinds of active ingredients, first these two kinds of compositions are used to carry out indoor biometrics test, the indoor virulence test method of lawn rot index and result as follows: according to the concentration gradient preparation PDA solid culture medium of above-described embodiment 1-5 and comparative example 1-2 Chinese medicine, solidify stand-by in sterile petri dish, each drug concentrations arranges 4 repetitions, separately establishes blank (water replacement medicament).By cultured lawn rot index germ, with the sterilizing card punch of diameter 0.6cm, bacterium cake is cut from colony edge, with inoculator, pure culture biscuits involvng inoculation is dull and stereotyped central in above-mentioned pastille, mycelia faces up, and covers ware lid, 72h is cultivated at 25 DEG C, measure colony diameter, calculate inhibition percentage, computing formula is as follows:
The result of calculation of inhibition percentage is as shown in table 1.
Table 1 Metalaxyl-M, Fluoxastrobin and mixture thereof are to the mensuration of lawn Pythium aphanidermatu virulence
Be independent variable (X) with the logarithm value of drug concentration (mg/L), the probability value of inhibition percentage is dependent variable (Y), and input CASIOfx-180p calculator, asks the 50 7.509085e-218ffective concentration EC of each medicament
50, EC
90, 95% confidence limit, b value, standard error SD, calculate co-toxicity coefficient (CTC), result is as shown in table 2.
The computing formula of co-toxicity coefficient is as follows:
Antagonism is had between each single dose of CTC<80 composition mixture;
Addition is had between each single dose of CTC=80 ~ 120 composition mixture;
Synergistic effect is had between each single dose of CTC>120 composition mixture.
Table 2 Metalaxyl-M, Fluoxastrobin and mixture thereof are to lawn Pythium aphanidermatu toxicity test result
Be independent variable (X) with the logarithm value of drug concentration (mg/L), the probability value of germ inhibition percentage is that dependent variable (Y) sets up regression equation.From the b value of regression equation, the b value of Metalaxyl-M, azoxystrobin compound five different ratio is respectively 1.6934,1.7587,1.7707,1.6890,1.6008, wherein the b value of Metalaxyl-M, Fluoxastrobin 10.8:28.2 proportioning is maximum, illustrates that this proportioning has higher reaction susceptibility to lawn rot index.
Calculate co-toxicity coefficient, measurement result shows: Metalaxyl-M, Fluoxastrobin are composite with 6.8:32.2,8.8:30.2,10.8:28.2,12.8:26.2,14.8:24.2, its co-toxicity coefficient is respectively 125.41,129.63,138.02,129.11,124.44, all be greater than 120, therefore all have significant synergies.Wherein the highest with the co-toxicity coefficient that 10.8:28.2 is composite, having good synergistic effect, is the optimum proportioning of Metalaxyl-M, azoxystrobin compound control lawn rot index.
Determine Metalaxyl-M by indoor biometrics experiment and Fluoxastrobin two kinds of active ingredients are composite can good synergistic effect, the favourable agents of control lawn rot index can be become.Below by way of outdoor test in order to further describe the present invention, in formula, percentage is all weight percentage, and the former medicine used and auxiliary agent are other producers and buy.
Embodiment 6
According to the Metalaxyl-M of proportions 39% shown in table 3 Fluoxastrobin suspending agent.
Table 339% Metalaxyl-M Fluoxastrobin suspending agent
| Constituent title | Constituent content (%) | Main Function in the product |
| Metalaxyl-M | 10.8 | Active ingredient |
| Fluoxastrobin | 28.2 | Active ingredient |
| Lignin benzene sulphur hydrochloric acid | 4 | Dispersant |
| Alkyl phenol formaldehyde resin polyoxyethylene ether sulphate | 3 | Wetting agent |
| Xanthans | 0.3 | Thickener |
| Ethylene glycol | 4 | Antifreeze |
| Water | Complement to 100 | Solvent |
Embodiment 7
According to the Metalaxyl-M of proportions 39% shown in table 4 Fluoxastrobin wetting powder.
Table 439% Metalaxyl-M Fluoxastrobin wetting powder
| Constituent title | Constituent content (%) | Main Function in the product |
| Metalaxyl-M | 12.8 | Active ingredient |
| Fluoxastrobin | 26.2 | Active ingredient |
| Lignosulfonates | 5 | Dispersant |
| Lauryl sodium sulfate | 10 | Wetting agent |
| White carbon | 25-30 | Inserts |
| Fine particle calcium carbonate | Supply | Supply |
Embodiment 8
According to the Metalaxyl-M of proportions 39% shown in table 5 Fluoxastrobin suspension emulsion.
Table 539% Metalaxyl-M Fluoxastrobin suspension emulsion
| Constituent title | Constituent content (%) | Main Function in the product |
| Metalaxyl-M | 8.8 | Active ingredient |
| Fluoxastrobin | 30.2 | Active ingredient |
| Phosphate ester sulfonate | 4 | Dispersant |
| Polycarboxylate | 3 | Wetting agent |
| Xanthans | 0.2 | Thickener |
| White carbon | 1 | Thickener |
| Ethylene glycol | 4 | Antifreeze |
| Kathon CG | 0.2 | Preservative |
| Oleic acid | 5-10 | Emulsifier |
| Sorbitan trioleate | 5-10 | Emulsifier |
| 150 #Solvent naphtha | 10-15 | Solvent |
| Water | Complement to 100 | Solvent |
The compound biocide composite that above-described embodiment 6-8 prepares is carried out the rot index disease test of control lawn, determine to fill a prescription and prevent and treat the effect of lawn rot index disease; Simultaneously by the Contrast on effect with the former medicine of 90% Metalaxyl-M (CK1) and the former medicine of 95% Fluoxastrobin (CK2), verify composite after synergistic effect.Concrete test method data are as follows:
(1) control time and number of times
The investigation of state of an illness radix is carried out, later respectively at before next dispenser and carry out preventive effect investigation in after last medicine 7 days before first time dispenser.
(2) investigation method
Every community diagonal fixes 5 samplings, often some continuous observation 50 strain, calculates the incidence of disease, and calculates disease index according to following grade scale.
0 grade: basal part of stem and master, fibrous root are all without scab;
1 grade: basal part of stem and main palpus, root have a small amount of scab, and lesion area accounts for less than 1/4th of stem and the root gross area;
3 grades: basal part of stem and main palpus, root have more scab, and lesion area accounts for 1/1 to two/4th of stem and the root gross area;
5 grades: basal part of stem and main palpus, root have scab, how and comparatively large, lesion area accounts for 3/1 to four/2nds of stem and the root gross area;
7 grades: on basal part of stem and main root, scab in flakes, but root system is not dead;
9 grades: root system is all dead, here close dead or dead above-ground plant parts withers;
(3) drug effect computational methods
CK in formula
0, CK
1be respectively the disease index before and after the dispenser of blank district; PT
0, PT
1be respectively the disease index before and after the dispenser of chemicals treatment district.
(4) interpretation of result
Table 639% Metalaxyl-M Fluoxastrobin bactericidal composition is to the result of the test of control lawn rot index
Metalaxyl-M and azoxystrobin compound preparation can be found out 7 days after administration from above-mentioned data, preventive effect all more than 80%, and Metalaxyl-M single dose after administration 7 days preventive effects be 78.55%, the preventive effect of Fluoxastrobin single dose is 73.52%; Compare Metalaxyl-M and Fluoxastrobin single dose, the preventive effect that between complex preparation and single dose, there were significant differences, visible two kinds of active ingredients are composite good synergistic effect.All composite after all more blank and single dose of control efficiency want high, the lasting period of composite rear preparation extends, more lasting to the control efficiency of lawn rot index evil, complex preparation can well improve drug effect, extend the lasting period, alleviate the financial resources of peasant, material resources, have very high practicality.
Claims (10)
1. contain a bactericidal composition for Metalaxyl-M and Fluoxastrobin, it is characterized in that, the weight ratio of Metalaxyl-M and Fluoxastrobin is 6.8 ~ 14.8: 32.2 ~ 24.2.
2. the bactericidal composition containing Metalaxyl-M and Fluoxastrobin according to claim 1, it is characterized in that, the part by weight of described Metalaxyl-M and Fluoxastrobin is 10.8:28.2.
3. the bactericidal composition containing Metalaxyl-M and Fluoxastrobin according to claim 1, it is characterized in that, the part by weight of described Metalaxyl-M and Fluoxastrobin is 6.8:32.2.
4. the bactericidal composition containing Metalaxyl-M and Fluoxastrobin according to claim 1, it is characterized in that, the part by weight of described Metalaxyl-M and Fluoxastrobin is 8.8:30.2.
5. the bactericidal composition containing Metalaxyl-M and Fluoxastrobin according to claim 1, it is characterized in that, the part by weight of described Metalaxyl-M and Fluoxastrobin is 12.8:26.2.
6. the bactericidal composition containing Metalaxyl-M and Fluoxastrobin according to claim 1, it is characterized in that, the part by weight of described Metalaxyl-M and Fluoxastrobin is 14.8:24.2.
7. according to the arbitrary described bactericidal composition containing Metalaxyl-M and Fluoxastrobin of claim 1-6, it is characterized in that, auxiliary agent is added to make common pesticides formulation in the basis of Metalaxyl-M and azoxystrobin composite, and wherein Metalaxyl-M and Fluoxastrobin accounting are 39wt%.
8. the bactericidal composition containing Metalaxyl-M and Fluoxastrobin according to claim 7, it is characterized in that, the described formulations of pesticide comprise suspending agent, wetting powder, water dispersible granules.
9. the bactericidal composition containing Metalaxyl-M and Fluoxastrobin according to claim 7, it is characterized in that, described auxiliary agent comprises: one or more in dispersant, wetting agent, thickener, antifreeze, emulsifier, filler, stabilizing agent, disintegrant, solvent, spreader-sticker, defoamer.
10. the bactericidal composition containing Metalaxyl-M and Fluoxastrobin according to claim 9, it is characterized in that, described dispersant comprises: one or more in alkylaryl sulfonates and formaldehyde condensation products thereof, lignosulfonates, alkylphenol-polyethenoxy base ether formaldehyde condensation products, sulphate; Described wetting agent comprises: one or more in polyoxyethylene groups alkyl aryl ether, polyoxyethylene alkylether, alkylbenzenesulfonate, alkylnaphthalene sulfonate; Described thickener comprises: CMC-na, polyvinyl alcohol, xanthans, aluminium-magnesium silicate; Described antifreeze comprises: one or more in ethylene glycol, propane diols, glycerine; Described emulsifier comprises: one or more in anionic, cationic, nonionic and amphoteric emulsifier; Described filler comprises: one or more in kaolin, diatomite, bentonite, attapulgite, talcum powder, starch, glucose, sodium sulphate, precipitated calcium carbonate; Described stabilizing agent comprises: one or more in 1,2-butanediol, isopropyl phosphoric acid ester, wgwinD902; Described disintegrant comprises: one or more in sodium chloride, ammonium sulfate, urea, sodium sulphate; Described solvent comprises: one or more in DMF, toluene, N, N-Poly Dimethyl Diallyl Ammonium Chloride pyrrolidones, cyclohexanone, chloroform, acetone; Described spreader-sticker comprises: one or more in nonionic or anion surfactant, lignosulfonates, lactic casein; Described defoamer comprises: one or more in defoamer S, silicone defoaming agent.
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| CN106212538A (en) * | 2016-08-19 | 2016-12-14 | 苏州灵垦农业科技有限公司 | A kind of composition pesticide |
| CN106489948A (en) * | 2016-10-26 | 2017-03-15 | 江苏苏滨生物农化有限公司 | A kind of composition pesticide, suspension seed-coating agent and its application |
| CN108277186A (en) * | 2018-04-12 | 2018-07-13 | 扬州大学 | A kind of bacillus licheniformis and its application as pesticide surfactant |
| CN108651473A (en) * | 2018-06-19 | 2018-10-16 | 陕西标正作物科学有限公司 | The effectively fertilizer granules of prevention soil-borne disease and plant disease |
| CN109874806A (en) * | 2019-03-19 | 2019-06-14 | 陈爱昌 | A kind of inorganic agent and its method of administration for preventing and treating celery root rot |
| CN112136815A (en) * | 2020-10-27 | 2020-12-29 | 中诚国联（河南）生物科技有限公司 | Preparation and application of pesticide-fertilizer granules containing metalaxyl-M and azoxystrobin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108651473A (en) * | 2018-06-19 | 2018-10-16 | 陕西标正作物科学有限公司 | The effectively fertilizer granules of prevention soil-borne disease and plant disease |
| CN109874806A (en) * | 2019-03-19 | 2019-06-14 | 陈爱昌 | A kind of inorganic agent and its method of administration for preventing and treating celery root rot |
| CN112136815A (en) * | 2020-10-27 | 2020-12-29 | 中诚国联（河南）生物科技有限公司 | Preparation and application of pesticide-fertilizer granules containing metalaxyl-M and azoxystrobin |
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Application publication date: 20151202 |