CN105340916A - Bactericidal composition containing efficient metalaxyl-M and dimethomorph - Google Patents
Bactericidal composition containing efficient metalaxyl-M and dimethomorph Download PDFInfo
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- CN105340916A CN105340916A CN201510966578.7A CN201510966578A CN105340916A CN 105340916 A CN105340916 A CN 105340916A CN 201510966578 A CN201510966578 A CN 201510966578A CN 105340916 A CN105340916 A CN 105340916A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/84—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,4
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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
- 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
- A01N37/44—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 containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
- A01N37/46—N-acyl derivatives
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Abstract
The invention relates to bactericidal composition containing efficient metalaxyl-M and dimethomorph. The bactericidal composition is prepared from effective ingredients, namely, efficient metalaxyl-M and dimethomorph which account for 60% of the total mass of the bactericidal composition, wherein the mass ratio of efficient metalaxyl-M to dimethomorph is 20:40, 25:35 or 30:30, and the balance is auxiliary ingredients which are allowed to be used and accepted in a bactericide. The bactericidal composition adopts a form of emulsion oil, a suspending agent, wettable powder, water dispersible granules, an emulsion in water, a microemulsion, granules and microcapsules and can be used for treating phytotoxicity caused by downy mildew, blight and the like of grapes, cucumbers and other multiple crops.
Description
Technical field
The present invention relates to technical field of pesticide combination, particularly relate to a kind of bactericidal composition containing high-efficiency precision metalaxyl and dimethomorph.
Background technology
High-efficiency precision metalaxyl 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, have aobvious control efficiency of removing from office to the crop pest that downy mildew, phytophthora, pythium spp etc. cause.
Dimethomorph is the special low toxicity bactericide of a kind of novel interior suction therapeutic, and its mechanism of action is the formation destroying germ cell envelope, causes the decomposition of spore cyst wall, and makes germ dead.Formed except zoospore and except spore swarm stage, all have effect to each stage of oomycetes history of life, especially more responsive to the formation stages of sporangiophore and egg spore, if medication before sporangium and egg spore are formed, then can suppress the generation of spore completely.In this medicine, absorption is strong, and root application, enters each position of plant by root; Blade spray medicine, can enter blade interior.The benzamides bactericide such as itself and metalaxyl does not have cross resistance.Interior absorption medicament and contact combination, have good result for the treatment of to the Oomycete such as downy mildew, epidemic disease.Reduce the generation of resistance, improve the quick-acting of product.The chemical name of dimethomorph: (E, Z)-4-[3-(4-chlorphenyl) 3-(3,4-Dimethoxyphenyl) acryloyl] morpholine, its chemical structural formula is:
Use the most effective means that chemical agent is controlling plant diseases.But long-term use single chemical bactericide continuously high dose, easily cause the problems such as the remaining of medicament, environmental pollution and resistance to pesticide resistance fungi development.Composite or the mixture of rational chemical bactericide has expansion fungicidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, minimizing remains, delay Antifungal resistance and the actively feature such as drug-fast generation and development, bactericide compounded is one of the effective method the most solved the problem.Develop new product bactericide price constantly rises, and by contrast, exploitation is efficient with research, low toxicity, low-residual composite and mixture has small investment, the lead time is short and be subject to domestic and international attention, numerous and confused increasing develops dynamics.We are on the basis of lab screening and field trial, filter out high-efficiency precision metalaxyl and dimethomorph carries out composite, have obvious synergistic effect.And about high-efficiency precision metalaxyl and dimethomorph composite bactericidal composition and apply and there is no people at present and reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective pesticide sterilizing composite.Can be used for the poisoning such as the downy mildew of the various crop such as grape, cucumber, epidemic disease.
Technical scheme of the present invention is realized by following measures:
Contain a bactericidal composition for high-efficiency precision metalaxyl and dimethomorph, active ingredient high-efficiency precision metalaxyl and the dimethomorph two yuan of this bactericidal composition are composite, and all the other are auxiliary element.In wherein said bactericidal composition, active ingredient is the high-efficiency precision metalaxyl of 60% and the mass ratio of dimethomorph is 20:40; 25:35; 30:30, described bactericidal composition of the present invention is through toxicity test experimental verification, and the mass ratio of high-efficiency precision metalaxyl and dimethomorph is 20:40; 25:35; During 30:30, synergistic effect is better.Active ingredient high-efficiency precision metalaxyl and dimethomorph gross mass is in the formulation 60%, and now toxicity reaches good balance with residual, and cost is also lower.
The formulations of pesticide that described bactericidal composition of the present invention can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.
The specific embodiments of the formulations of pesticide that bactericidal composition of the present invention is mixed with is as follows:
Described bactericidal composition is cream preparation, and the mass fraction of component is: high-efficiency precision metalaxyl 20 parts; Dimethomorph 35 parts; Conventional emulsifier 10 ~ 30 parts; Conventional solvents 20 ~ 50 parts; Conventional synergist 1 ~ 5 part.The concrete production stage of this cream preparation be first active ingredient high-efficiency precision metalaxyl and dimethomorph are added dissolve completely in solvent after add emulsifier again, synergist becomes transparent and homogeneous oily liquids after stirring, filling, namely can be made into the cream preparation of the present composition.
Described bactericidal composition is suspending agent, and the mass fraction of component is: high-efficiency precision metalaxyl 20 parts; Dimethomorph 35 parts; Dispersant 5 ~ 20 parts; Antifreezing agent 1 ~ 5 part; Thickener 0.1 ~ 2 part; Defoamer 0.1 ~ 0.8 part; Penetrating agent 0 ~ 10 part; PH value regulator 0.1 ~ 5 part; Water, surplus.The concrete production stage of this suspending agent is for first to mix other auxiliary agents, mix through high speed shear, add active ingredient high-efficiency precision metalaxyl and dimethomorph, abrading-ball 2 ~ 3 hours in ball crusher, make a diameter all at below 5mm, namely can be made into the aqueous suspension formulations of the present composition.
Described bactericidal composition is wetting powder, and the mass fraction of component is: high-efficiency precision metalaxyl 20 parts; Dimethomorph 35 parts; Dispersant 3 ~ 10 parts; Wetting agent 1 ~ 5 part; Filler, surplus.The concrete production stage of this wetting powder is: mixed with dimethomorph and dispersant, wetting agent and filler by active ingredient high-efficiency precision metalaxyl by above-mentioned formula, uniform stirring in stirred tank, mixing after airslide disintegrating mill, namely can be made into the wetting powder of the present composition.
Described bactericidal composition is water dispersible granules, and the mass fraction of component is: high-efficiency precision metalaxyl 20 parts; Dimethomorph 35 parts; Dispersant 3 ~ 10 parts; Wetting agent 1 ~ 10 part; Disintegrant 1 ~ 5 part; Filler, surplus.The concrete production stage of this water dispersible granules is: mixed with dimethomorph and dispersant, wetting agent, disintegrant and filler by active ingredient high-efficiency precision metalaxyl by above-mentioned formula, pulverize with micro jet, through mediating, then add in fluidized-bed granulation dryer and to carry out after granulation, drying, screening, through sample analysis, namely can be made into the water dispersible granules of the present composition.
Described bactericidal composition is aqueous emulsion, and the mass fraction of component is: high-efficiency precision metalaxyl 20 parts; Dimethomorph 35 parts; Emulsifier 3 ~ 30 parts; Solvent 5 ~ 15 parts; Stabilizing agent 2 ~ 15 parts; Antifreezing agent 1 ~ 5 part; Defoamer 0.1 ~ 8 part; Thickener 0.2 ~ 2 part; Water, surplus.The concrete production stage of this aqueous emulsion is: first high-efficiency precision metalaxyl and dimethomorph, solvent and emulsifier, cosolvent are added together, and makes to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes uniformly aqueous phase; While high-speed stirred, oil phase is added aqueous phase in a kettle., slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type, namely can be made into the aqueous emulsion of the present composition.
Described bactericidal composition is microemulsion, and the mass fraction of component is: high-efficiency precision metalaxyl 20 parts; Dimethomorph 35 parts; Emulsifier 10 ~ 30 parts, antifreezing agent 1 ~ 8 part, stabilizing agent 0.5 ~ 10 part, Conventional solvents cosolvent 20 ~ 50 parts.High-efficiency precision metalaxyl and dimethomorph cosolvent are dissolved completely, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, Homogeneous phase mixing, finally adds water, can be made into microemulsion after fully stirring.
Described bactericidal composition is granule, and the mass fraction of component is: high-efficiency precision metalaxyl 20 parts; Dimethomorph 35 parts; Wetting dispersing agent 1 ~ 10 part; Thickener 0.1 ~ 5 part; Defoamer 0.1 ~ 5 part; Castor oil, surplus is supplied.Each components such as active ingredient high-efficiency precision metalaxyl and dimethomorph, dispersant, stabilizing agent, defoamer and solvent are mixed in the ratio of filling a prescription, after putting into the grinding of sand milling still, sends into mixing in mixer for well-distribution and get product.
Described bactericidal composition is microcapsule formulations, and the mass fraction of component is: high-efficiency precision metalaxyl 20 parts; Dimethomorph 35 parts; 5 ~ 20 parts, urea; 5 ~ 20 parts, formaldehyde; Emulsifying dispersant 5 ~ 20 parts; Antifreezing agent 1 ~ 5 part; Thickener 0.1 ~ 2 part; Defoamer 0.1 ~ 0.8 part; Water, surplus.Urea and formaldehyde (amount of substance ratio is about l:1.5 ~ 2.0) is added in the there-necked flask that agitating device is housed, regulate the pH value of solution to about 8 ~ 9 with sodium hydroxide solution, then be warming up to 70 ~ 80 DEG C, be obtained by reacting stable urea resin prepolymer.The former medicine getting a certain amount of high-efficiency precision metalaxyl and dimethomorph is dissolved in cyclohexane, and adds emulsifying dispersant in the solution, with vigorous stirring, and the O/W type stable emulsion that to be made into the aqueous solution containing emulsifying dispersant be aqueous phase.Above-mentioned urea resin prepolymer is added in emulsion, adjust ph, polymerization reaction take place under acid catalysed conditions, oil phase substance is wrapped, form microcapsule granule.Slow intensification, solidification, temperature controls at 40 ~ 50 DEG C, hardening time 1h.Select to add appropriate auxiliary agent, stable microcapsule suspending agent.
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any one in polyoxyethylene aliphatic alcohol ether or more than one any mixtures than composition.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine-based vegetable oil code name is ND-45, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in water equal solvent are arbitrarily than the mixture of composition.
It is LG-3, GY-D1252, GY-D1256, SNWGF-01 that described dispersant is selected from polycarboxylate code name, lignosulfonates code name is 201107,21108, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, the one in resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more of fatty alcohol.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, one or more in precipitated calcium carbonate.
The composite bactericide that the present invention is active ingredient with high-efficiency precision metalaxyl and dimethomorph has obvious synergistic effect, delay the drug-fast generation in key, and reduce into product cost and use cost, can be used for the poisoning such as the downy mildew of the various crop such as grape, cucumber, epidemic disease.
Embodiment
For making technical scheme of the present invention, object and advantage are clearly understood, the following specific embodiment of the present invention is described, but the present invention is not limited to these examples.The mode that effect experimental of the present invention adopts indoor biometrics and field trial to combine, if no special instructions, the ratio below mentioned is all ratio of quality and the number of copies.
Embodiment: high-efficiency precision metalaxyl and dimethomorph different ratio co-toxicity are tested.
1.1 reagent agent
The former medicine of 95% high-efficiency precision metalaxyl, the former medicine of 97% dimethomorph, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test targets
Downy mildew of garpe germ, separation and purification gained from the grape incidence of leaf of Daze Mount vineyard, Qingdao, PDA inclined-plane is cultivated in 4 DEG C of refrigerators and preserves.
PDA medium: potato 200g, glucose 20g, agar 20g, water 1000ml.
AEA medium: dusty yeast 5g/L, glycerine 20mL/L, MgSO
40.25g/L, NaNO
36g/L, KCL0.5g/L, KH
2pO
41.5g/L, agar powder 20g/L, deionized water 1L.
1.3 test method
1.3.1 medicament preparation
First use the former medicine of acetone solution, appropriate two former medicines are made into 3 different ratio by the result according to preliminary experiment, each process is diluted to respectively 3 concentration gradients with acetone more stand-by, 3 active ingredient be 60% high-efficiency precision metalaxyl be respectively 20:40 with the ratio of dimethomorph different ratio active ingredient; 25:35; 30:30.
1.3.2 chemicals treatment
Fit in seedling-growing container by infection grape variety residence, be placed in greenhouse and cultivate, plant grows to three to four leaf after dates, gathers the blade of identical leaf age, for mensuration and the cultivation of downy mildew of garpe.
Downy mildew of garpe adopts plants method at 20 DEG C, cultivates, within every 30 days, turn culture once under the condition of 12h alternation of light and darkness.With the conidium on sterile water wash-out incidence of leaf during inoculation, being configured to concentration is 1 × 10
6the spore suspension of individual/ml.
1.3.3 for examination strain sensitivity testing
Leaf dish moisturizing method is adopted to carry out toxicity test.First the blade of collection is prepared into the leaf dish that diameter is 1.5cm, test with the process of not adding medicine as blank, after immersion terminates, leaf faces up and puts on the blotting paper that same concentrations liquid is wetting, liquid on leaf dish is blotted, the spore suspension 10L configured is inoculated in leaf dish central authorities, after room temperature places 5min, be placed in 20 DEG C, cultivate under the condition of 12h alternation of light and darkness, after 10d, measure the onset area on leaf dish.
On the basis of preliminary experiment, respectively toxicity test is carried out to single dose high-efficiency precision metalaxyl and dimethomorph in order to upper method, the EC of the two
508.3275mg/l and 3.7421mg/l respectively.
The percentage accounting for leaf disc area according to lesion area divides disease level
0 grade: anosis;
1 grade: sorus area accounts for less than 5% of whole leaf area;
3 grades: sorus area accounts for below the 6%-10% of whole leaf area;
5 grades: sorus area accounts for below the 11%-20% of whole leaf area;
7 grades: sorus area accounts for below the 21%-50% of whole leaf area;
9 grades: sorus area accounts for more than 50% of whole leaf area.
1.3.4 mixture toxicity test and interpretation of result
Carry out the toxicity test of mixture according to mixed ratio by single dose toxicity test method.
If contrast lethality <5%, does not correct, contrast lethality, between 5%-20%, corrects by formula 2, and contrast lethality >20%, test need be reformed.
Be independent variable x with the logarithm value of drug concentration (mg/L), with the probability value of corrected mortality for dependent variable y, set up virulence regression equation formula respectively, adopt DPS software to calculate the EC of single dose and each proportioning mixture
50co-toxicity coefficient (CTC) is calculated according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (with high-efficiency precision metalaxyl for standard agent, its toxicity index is 100):
The EC of toxicity index (the TI)=high-efficiency precision metalaxyl of dimethomorph
50the EC of/dimethomorph
50× 100
The EC of true toxicity index (the ATI)=high-efficiency precision metalaxyl of M
50the EC of/M
50× 100
TI × P dimethomorph of TI × P high-efficiency precision metalaxyl+dimethomorph of theoretical toxicity index (the TTI)=high-efficiency precision metalaxyl of M
TTI × 100 of the ATI/M of co-toxicity coefficient (the CTC)=M of M
In formula:
M is the mixture of high-efficiency precision metalaxyl and dimethomorph different ratio
P high-efficiency precision metalaxyl is the ratio of high-efficiency precision metalaxyl shared by mixture
P dimethomorph is the ratio of dimethomorph shared by mixture.
2.1 toxicity test results
Table 1 high-efficiency precision metalaxyl and dimethomorph are to the toxicity test of downy mildew of garpe
As can be seen from the table, the result of the test of different proportion proportioning shows, dilutes respectively all show stronger synergistic effect in active ingredient ratio, wherein with high-efficiency precision metalaxyl and dimethomorph for 20:40; 25:35; When 30:30, synergistic effect is good, advises that to suitable proportion be 20:40; 25:35; 30:30 mixture preparation carries out further field control effectiveness test, to evaluate its field practical application effect.
3 field trial control cucumber downy mildews, the experimental result of capsicum epidemic disease
3.1 field trial control cucumber downy mildew
3.1.1 test method
Test on Shandong Pingdu City cucumber ground, 4 points are investigated in every community, often some investigation 2 strains, and record occurring degree by staging, grade scale is as follows:
0 grade: anosis;
1 grade: sorus area accounts for less than 5% of whole leaf area;
3 grades: sorus area accounts for below the 6%-10% of whole leaf area;
5 grades: sorus area accounts for below the 11%-20% of whole leaf area;
7 grades: sorus area accounts for below the 21%-50% of whole leaf area;
9 grades: sorus area accounts for more than 50% of whole leaf area.
3.1.2 control time and number of times
Test is investigated 4 times altogether, after radix investigation before medicine, first time medicine 7 days, within 15 days, investigate after 7 days and medicine after second time medicine.
3.1.3 drug effect computational methods
Sick leaf rate (%)=sick number of sheets/investigate the total number of sheets × 100
Disease index=∑ (the sick number of sheets × relative level numerical value at different levels)/(investigating the total number of sheets × 9) × 100
Control efficiency (%)=(1-(before blank district medicine after disease index × treatment region medicine disease index)/(after blank district medicine before disease index × treatment region medicine disease index)) × 100.
3.1.4 poisoning investigation method
Whether after dispenser, continuous 7d estimates medicament has poisoning to crop.
3.1.5 result of the test and analysis
The effect (table 2) of each process control cucumber downy mildew
The effect of cucumber downy mildew prevented and treated by table 2 respectively process
The Mixed Pharmacy of different proportion as can be seen from Table 2, tests by different consumptions, and after medicine, it is all better than contrasting medicament to the control of cucumber downy mildew, and bactericidal effect increases progressively with the increase of dosage.According to field range estimation, within the scope of test dose, plant growth is normal, and the poisoning phenomenon to cucumber does not all appear in each treatment agent, illustrates that it is safe to cucumber.Advise that the bactericide different from the mechanism of action is used in combination to delay the drug-fast generation of germ.
3.2 field trial cucumber blight disease
Test is located at Pingdu City green cucumber district of Shandong Province, and experimental field is block in winter slack, and Cucumber Blight occurs seriously over the years.Field soil is fertile, and other conditions are moderate.
Kind is often process repetition 4 times, Gong20Ge community, every plot area 30m
2, random district group arranges.Every community random searching 5 points, look into 5 strains at often, record diseased plant number, dead strain number or obviously withered plant number.
Stage division: (by symptom type classification)
0 grade: healthy without disease;
1 grade: overground part only leaf, fruit has scab;
3 grades: terrestrial stem, branch have brown rot spot;
5 grades: basal part of stem has brown rot spot;
7 grades: terrestrial stem, branch and basal part of stem all have brown rot spot, and part branch is withered;
9 grades: complete stool is withered.
Duration of test investigates 4 times altogether, i.e. disease index investigation before medicine, after first time medicine 7 days, within 15 days, investigate after 7 days and medicine after second time medicine.
Diseased plant rate (%)=diseased plant number/investigate total strain number × 100
Disease index=∑ (diseased plant number × relative level numerical value at different levels)/(investigating total strain number × 9) × 100
Control efficiency (%)=(1-(before blank district medicine after disease index × treatment region medicine disease index)/(after blank district medicine before disease index × treatment region medicine disease index)) × 100.
Whether after dispenser, continuous 7d estimates medicament has poisoning to crop.
The effect (table 3) of each process cucumber blight disease
Table 3 respectively processes the effect of cucumber blight disease
High-efficiency precision metalaxyl and dimethomorph are with the effect of the composite control efficiency for Cucumber Blight of 25:35 ratio apparently higher than high-efficiency precision metalaxyl and dimethomorph single dose complex preparation as shown in Table 3, its instant effect, lasting period is also better, for the desirable medicament preventing and treating epidemic disease, and to capsicum safety, the drug-fast generation of germ effectively can be delayed.
In sum, the present invention contains the bactericidal composition of high-efficiency precision metalaxyl and dimethomorph, have good control efficiency, and it is to Target crops safety to grape and cucumber downy mildew, Cucumber Blight.Complex preparation not only increases preventive effect, and expands fungicidal spectrum, widens the scope of application, reduces costs, and plays the double effect controlled of a medicine, alleviate manpower and materials to multiple diseases, improves productivity effect.So the invention of this complex preparation is of great significance social tool with popularization.
Claims (2)
1. one kind contains the bactericidal composition of high-efficiency precision metalaxyl and dimethomorph, it is characterized in that: the active ingredient of this bactericidal composition is high-efficiency precision metalaxyl and dimethomorph binary built, all the other are auxiliary element, and wherein active ingredient is the high-efficiency precision metalaxyl of 60% and the mass ratio of dimethomorph is 20:40; 25:35; 30:30.
2. bactericidal composition according to claim 1, is characterized in that: the formulation of this bactericidal composition is missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.
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Citations (4)
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|---|---|---|---|---|
| CN1249662A (en) * | 1997-03-05 | 2000-04-05 | 诺瓦提斯公司 | Fungicidal compositions based on metalyxyl |
| CN101953356A (en) * | 2010-10-13 | 2011-01-26 | 山东农业大学 | Dimethomorph-containing thermal smoke agent for preventing and controlling downy mildew of vinyl house cucumbers |
| CN103271031A (en) * | 2013-05-16 | 2013-09-04 | 青岛奥迪斯生物科技有限公司 | Sterilization composition containing cyanoacrylate bactericide and metalaxyl-M |
| CN103918694A (en) * | 2014-03-31 | 2014-07-16 | 海利尔药业集团股份有限公司 | Bactericidal composition containing iprodione and metalaxyl-M |
-
2015
- 2015-12-19 CN CN201510966578.7A patent/CN105340916A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249662A (en) * | 1997-03-05 | 2000-04-05 | 诺瓦提斯公司 | Fungicidal compositions based on metalyxyl |
| CN1491543A (en) * | 1997-03-05 | 2004-04-28 | �����ɷ� | Fungicide composition based on metalaxyl |
| CN101953356A (en) * | 2010-10-13 | 2011-01-26 | 山东农业大学 | Dimethomorph-containing thermal smoke agent for preventing and controlling downy mildew of vinyl house cucumbers |
| CN103271031A (en) * | 2013-05-16 | 2013-09-04 | 青岛奥迪斯生物科技有限公司 | Sterilization composition containing cyanoacrylate bactericide and metalaxyl-M |
| CN103918694A (en) * | 2014-03-31 | 2014-07-16 | 海利尔药业集团股份有限公司 | Bactericidal composition containing iprodione and metalaxyl-M |
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