CN105211066A - A kind of bactericidal composition and application thereof containing amino-oligosaccharide and cyazofamid - Google Patents
A kind of bactericidal composition and application thereof containing amino-oligosaccharide and cyazofamid Download PDFInfo
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Abstract
Contain bactericidal composition and the application thereof of amino-oligosaccharide and cyazofamid, belong to technical field of compounded pesticide.The active ingredient of this bactericidal composition is amino-oligosaccharide and cyazofamid, and all the other are auxiliary element; Wherein the mass ratio of amino-oligosaccharide and cyazofamid is 1:50 ~ 50:1, the mass percent that both amino-oligosaccharide and cyazofamid account for composition is 1% ~ 80%, and auxiliary element is one or more in wetting dispersing agent, bleeding agent, antifreezing agent, defoamer, dispersant, anticaking agent, suspending agent, film forming agent, mould inhibitor, pH adjusting agent, colouring agent, filler, wetting agent, thickener, antioxidant.Bactericidal composition of the present invention not only has significant bactericidal effect, and has significant synergistic effect, can slow down drug-fast generation, meets the security requirement of pesticidal preparations.The formulations of pesticide that bactericidal composition of the present invention can be made are aqua, suspension seed-coating agent, suspending agent, are mainly used in preventing and treating tomato late blight, Be very effective.
Description
Technical field
The invention belongs to technical field of compounded pesticide, be specifically related to a kind of be principle active component bactericidal composition and the application on control tomato late blight thereof of amino-oligosaccharide and cyazofamid.
Background technology
Amino-oligosaccharide, refers to the oligosaccharide that D-Glucosamine connects with β-1.4 glycosidic bond, and after obtaining shitosan by chitin degrading, degraded obtains again, or the low toxicity bactericide extracted by fermentable, also referred to as the special chitosan oligosaccharide of agricultural.Chitosan oligosaccharide itself, containing abundant C, N, can be decomposed by the microorganisms and to utilize and as a kind of novel biological bactericide of plant growth nutrient.Amino-oligosaccharide produces inhibitory action to some germs, affect fungus spore germination, bring out hypha form to morph, plant vivo gene can be excited, produce chitinase, dextranase, guarantor's element and the PR albumen etc. with resistant effect, and there is cell activation effect, contribute to being injured the recovery of plant, short root strong sprout, strengthen the resistance of crop, Promoting plant growth is grown.
Cyazofamid, trade name: section is good, other titles: cough up bacterium ester, chemical name is the chloro-2-cyano group of 4--N, N-dimethyl-5-p-methylphenyl imidazoles-1-sulfonamide, molecular formula C
13h
13clN
4o
2s.Cyazofamid is sulphaguanidine azoles fungicide.Super protective fungicide, to downy mildew, epidemic disease, club root, damping off etc. have special efficacy.Mechanism of action is the supply that the electron transmission blocking Oomycete germ body mitochondrial cytochrome b c1 complex carrys out interfering energy, its binding site is the Q center of enzyme, be called QiI (QuinoneinsideInhibitors) series bactericidal agent, with other bactericide without cross tolerance.Its height to pathogen selects activity may be because the sensitivity difference of target enzymes to medicament causes.To the plasmodiophora brassica bacteria of Oomycete fungal as downy mildew, Pseudo peronospara, phytophthora, pythium spp and Plasmodiophoromycetes, there is very high biologically active.Suitable for crop: potato, grape, vegetables (cucumber, Chinese cabbage, tomato, onion, lettuce), lawn.Prevent and treat downy mildew, epidemic disease as cucumber downy mildew, downy mildew of garpe, tomato late blight, potato late blight etc.
The long-term ground of high dose continuously uses single chemical bactericide, easily causes the series of problems such as residual, environmental pollution and pesticide resistance.At present, oligosaccharides biopesticide is successfully developed, and prevents and treats some fungal diseases.Amino-oligosaccharide as a kind of carbohydrate biopesticide, have low on non-target organism toxicity, affect little, and in the environment easily decompose, noresidue.The feature that consumption is low simultaneously, safety is good.This medicament is a kind of novel agrochemical, and it is on the impact of plant mainly induction of resistance, promotes induction biosynthesis protective plant protecting agent, excites synthesis and the accumulation of plant lignin.Disease resistance of plant enzymes activity can be impelled again to improve simultaneously, this research carries out the Toxicity Determination of Phytophthora infestans germ by the common fungicide prevented and treated tomato late blight and amino-oligosaccharide mixture, measuring pathogen to the sensitivity of medicament, providing theoretical foundation for producing such disease of upper control.
Summary of the invention
The object of the present invention is to provide that a kind of bactericidal effect is good, bactericidal range is wide, synergistic effect is remarkable, delay germ resistance and to produce and to a kind of amino-oligosaccharide of crop safety and the bactericidal composition of cyazofamid.
Another object of the present invention is to provide amino-oligosaccharide and the application of cyazofamid bactericidal composition on control tomato late blight.
The object of the invention is to be realized by following measures:
Contain a bactericidal composition for amino-oligosaccharide and cyazofamid, the active ingredient of this bactericidal composition is amino-oligosaccharide and cyazofamid, and all the other are auxiliary element; By mass percent be 100% calculating, both amino-oligosaccharide and cyazofamid quality and the mass percent accounting for bactericidal composition are 1% ~ 80%, are preferably 5% ~ 50%; The mass ratio of amino-oligosaccharide and cyazofamid is 1:50 ~ 50:1, is preferably 1:5 ~ 5:1; Auxiliary element is one or more in wetting dispersing agent, bleeding agent, antifreezing agent, defoamer, dispersant, anticaking agent, suspending agent, film forming agent, mould inhibitor, pH adjusting agent, colouring agent, filler, wetting agent, thickener, antioxidant.
The formulation that bactericidal composition of the present invention can be prepared further comprises aqua, suspension seed-coating agent, suspending agent.
Described bactericidal composition aqua, by mass percent be 100% calculating, the mass percentage of its each component is:
Amino-oligosaccharide 2.5 ~ 25%
Cyazofamid 2.5 ~ 25%
Wetting dispersing agent 1 ~ 6%
Bleeding agent 1 ~ 6%
Antifreezing agent 3 ~ 8%
Defoamer 1 ~ 3%
All the other are deionized water
And the mass ratio of amino-oligosaccharide and cyazofamid is 1:5 ~ 5:1;
Described wetting dispersing agent is any combination of one or more in alkylaryl polyoxyethylene polyoxypropylene ether, calcium dodecyl benzene sulfonate, neopelex, nonyl phenol formaldehyde resin APEO, sodium lignin sulfonate, polyoxyethylene nonylphenol ether.
Described bleeding agent is any combination of a kind of in fatty alcohol-polyoxyethylene ether, disecoctylmaleate sodium sulfonate or two kinds.
Described antifreezing agent is any combination of one or more in glycerine, ethylene glycol, propane diols or urea.
Described defoamer is dimethyl silicone polymer silicone defoaming agent.
Preparation method's concrete steps of this aqua are: according to above-mentioned recipe requirements, mix amino-oligosaccharide, cyazofamid, wetting dispersing agent, bleeding agent, antifreezing agent, defoamer and deionized water to amber transparent, thus obtain bactericidal composition aqua.
Described bactericidal composition suspension seed-coating agent, by mass percent be 100% calculating, the mass percentage of its each component is:
Amino-oligosaccharide 2.5 ~ 25%
Cyazofamid 2.5 ~ 25%
Dispersant 2% ~ 40%
Anticaking agent 1 ~ 3%
Suspending agent 0.5 ~ 1.5%
Film forming agent 2 ~ 4%
Mould inhibitor 1 ~ 3%
Antifreezing agent 1 ~ 3%
PH adjusting agent 1 ~ 3%
Colouring agent 0.1 ~ 1.0%
Filler 5 ~ 10%
All the other are deionized water
And the mass ratio of amino-oligosaccharide and cyazofamid is 1:5 ~ 5:1;
Amino-oligosaccharide, cyazofamid, filler, colouring agent, anticaking agent add in the homogenizer that deionized water is housed to mix 30min ~ 60min by preparation method, add dispersant, film forming agent, antifreezing agent, preservative successively again, premix slurry is formed after mixing 15min, extracting is in high-shear emulsifying dispersion machine, fully emulsified, dispersion under the condition of airtight, pressurization, make premix slurry more evenly, refinement; Then this slurry is put into ball grinder and carry out ball milling, the particle diameter to material is 3 ~ 5um, adds suspending agent and is made into aqueous solution adjusting viscosity between 400 ~ 600MPas, then discharging after ball milling 2 ~ 3 times; Bactericidal composition suspension seed-coating agent is obtained through sieving, after packing.
Described dispersant is any combination of one or more in phosphoric acid ester, lignin sulfonate, naphthalenesulfonate, benzenesulfonates, polystyrene-based phenol polyethenoxy ether sulfate, metal carboxylate, succinic acid Sulfonates, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, polystyrene-based phenols, polyethenoxy ether class surfactant.
Described anticaking agent is any combination of one or more in sodium silicoaluminate, tricalcium phosphate, silica.
Described suspending agent is any combination of one or more in yellow collagen, white carbon, polyvinyl alcohol, sodium carboxymethylcellulose.
Any combination of one or more in described film forming agent polyvinyl alcohol, polyvinyl acetate, modified starch.
Described antifreezing agent is any combination of one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, sorbierite, urea.
Described mould inhibitor is any combination of one or more in BIT, Sodium Benzoate, formaldehyde, sorbic acid, polyhydroxy benzenes propyl formate.
Described pH adjusting agent is any combination of one or more in sodium hydroxide, ammoniacal liquor, acetic acid, hydrochloric acid, citric acid.
Described colouring agent is acid red as fire.
Described filler is kaolin, any combination of one or more in diatomite, bentonite, starch.
Described bactericidal composition suspending agent, by mass percent be 100% calculating, the mass percentage of its each component is:
Amino-oligosaccharide 2.5 ~ 25%
Cyazofamid 2.5 ~ 25%
Dispersant 1 ~ 4%
Wetting agent 2 ~ 5%
Thickener 1 ~ 2%
Defoamer 0.2 ~ 1.0%
Antifreezing agent 1 ~ 3%
Preservative 0.2 ~ 1.0%
PH adjusting agent 0.5 ~ 1.5%
Antioxidant 0.2 ~ 1.0%
All the other are deionized water
And the mass ratio of amino-oligosaccharide and cyazofamid is 1:5 ~ 5:1;
The preparation of this suspending agent is by amino-oligosaccharide, cyazofamid, dispersant, wetting agent, pH adjusting agent, antioxidant, after part defoamer (its consumption is 50 ~ 60% of defoamer gross mass) and portions of de-ionized water (its consumption is 70 ~ 80% of deionized water gross mass) are mixed into the slurry of homogeneous phase, put into ball grinder and carry out wet ball-milling, particle diameter to material is 2 ~ 4.5um, filters to obtain slurry; Thickener is mixed with the aqueous solution of mass concentration 1.5%, joins in the slurry after filtration, then add the defoamer of antifreezing agent, preservative and residuals weight number respectively, stir; Gained slurry homogenous disperse on clipper, with the washed with de-ionized water clipper of surplus, thus obtains bactericidal composition suspending agent.
Described dispersant is any combination of one or more in anion surfactant and non-ionic surface active agent.Anion surfactant is phosphoric acid ester, metal carboxylate, lignin sulfonate, milk Sulfonates, polystyrene-based phenol polyethenoxy ether Sulfates, benzenesulfonates or succinic acid salt; The macromolecular grafted copolymer that non-ionic surface active agent is fatty alcohol copolymer, molecular weight is 20000 ~ 30000, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether or polystyrene-based phenol polyethenoxy ethers.
Wetting agent is one or more any combination in polystyrene-based polyethenoxy ether class, polyoxyethylene nonylphenol ether class, alkyl naphthalene sulfonic acid salt, fatty alcohol polyethenoxy ether class.
Thickener is any combination of one or more in aluminium-magnesium silicate, carboxyl alkyl cellulose class, yellow collagen, bentonite.
Defoamer is any combination of one or more in poly-alkyl silicon ethylene oxide, mineral oil, alcohols.
Antifreezing agent is that any combination of one or more in urea, propane diols, diethylene glycol, ethylene glycol is closed.
Preservative is any combination of one or more in formaldehyde, BIT, Sodium Benzoate and sorbic acid, polyhydroxy benzenes propyl formate.
PH adjusting agent is any combination of one or more in citric acid, glacial acetic acid, phosphoric acid, maleic acid.
Antioxidant is any combination of one or more in butylated hydroxy anisole, dibutyl hydroxy toluene, UV-protectant, ditert-butylhydro quinone.
Instant component is reasonable, and bactericidal effect is good, and synergistic effect is remarkable, not only can slow down the generation of resistance, and good to crop safety, meets the security requirement of pesticidal preparations.The present invention has good control efficiency to tomato late blight.
Embodiment
In order to prevent and treat tomato late blight, carried out composite synergy research with amino-oligosaccharide cyazofamid, but the present invention is not limited to these examples.Below by embodiment, the present invention is elaborated.
The preparation of embodiment 1:18% amino-oligosaccharide cyazofamid aqua
1.1 for examination raw material
Mass percent is the former medicine 16.7g of 90% amino-oligosaccharide (effective mass of amino-oligosaccharide is 15g), mass percent is 98% cyazofamid raw material 3.1g (effective mass of cyazofamid is 3g), wetting dispersing agent neopelex 2g, bleeding agent fatty alcohol-polyoxyethylene ether 3g, antifreeze glycol 4g, defoamer dimethyl silicone polymer 2g, the consumption of deionized water is 71g;
1.2 preparation process
Accurately taking mass percent is the former medicine 16.7g of 90% amino-oligosaccharide, mass percent is 98% cyazofamid raw material 3.1g, wetting dispersing agent neopelex 2g, bleeding agent fatty alcohol-polyoxyethylene ether 3g, antifreeze glycol 4g, defoamer dimethyl silicone polymer 2g and deionized water 71g mixes to amber transparent, thus obtains bactericidal composition aqua.
Embodiment 2:18% amino-oligosaccharide cyazofamid suspension seed-coating agent is developed
2.1 for examination raw material
Accurately taking mass percent is the former medicine 16.7g of 90% amino-oligosaccharide; Mass percent is 98% cyazofamid 3.1g; Dispersant is sodium lignin sulfonate 2g; Anticaking agent is sodium silicoaluminate 2g; Suspending agent is white carbon 1g; Film forming agent is polyvinyl alcohol 3g; Antifreezing agent is ethylene glycol 2g; Preservative is sorbic acid 2g; Filler is kaolin 10g; Colouring agent is acid red as fire 0.5g; PH adjusting agent is acetic acid 1g, and the consumption of deionized water is 58.5g.
2.2 preparation process
Step one: be 90% amino-oligosaccharide former medicine 16.7g by mass percent, mass percent is 98% cyazofamid 3.1g, after the acid red as fire 0.5g of filler kaolin 10g, colouring agent, anticaking agent sodium silicoaluminate 2g powder material add and mix 30 ~ 60min in the homogenizer that deionized water 58.5g is housed, add dispersant sodium lignin sulfonate 2g, film forming agent polyvinyl alcohol 3g, antifreeze glycol 2g, preservative sorbic acid 2g liquid charging stock successively, mix 15min again, form premix slurry.
Step 2: by the extracting of premix slurry in high-shear emulsifying dispersion machine, fully emulsified, dispersion under the condition of airtight, pressurization, make premix slurry more evenly, refinement.Then this slurry to be pumped in ball mill ball milling 3 hours by pipeline and separate pump, the particle diameter to material is 3 ~ 5um, adds suspending agent white carbon 1g and is made into aqueous solution adjusting viscosity at 400 ~ 600MPas, then ball milling 2 ~ 3 dischargings;
Step 3: obtain bactericidal composition suspension seed-coating agent through sieving, after packing.
The preparation of embodiment 3:18% amino-oligosaccharide cyazofamid suspending agent
3.1 for examination raw material
Accurately taking mass percent is the former medicine 16.7g of 90% amino-oligosaccharide, mass percent is 98% cyazofamid raw material 3.1g, dispersant is sodium lignin sulfonate 2g, and wetting agent is Negel 2g, and thickener is aluminium-magnesium silicate 1g, defoamer is polyvinyl alcohol 1g, antifreezing agent is ethylene glycol 1g, and preservative is sorbic acid 0.5g, and pH adjusting agent is citric acid 0.5g, antioxidant is dibutyl hydroxy toluene 0.5g, and the consumption of deionized water is 73.5g.
3.2 preparation process
Step one: be 90% amino-oligosaccharide former medicine 16.7g by mass percent, mass percent is 98% cyazofamid former medicine 3.1g, dispersant sodium lignin sulfonate 2g, wetting agent Negel 2g, defoamer be polyvinyl alcohol 0.5g (for 50% of the total consumption of defoamer), pH adjusting agent is citric acid 0.5g, antioxidant is that dibutyl hydroxy toluene 0.5g, deionized water 51.5g mix (for 70% of the total consumption of deionized water);
Step 2: mixed material is put into ball grinder and carries out wet ball-milling, the particle diameter to material is 2 ~ 4.5um, filters to obtain slurry, for subsequent use;
Step 3: aqueous solution thickener being mixed with mass concentration 1.5%, join the slurry after filtration, add the defoamer polyvinyl alcohol 0.5g of thickener aluminium-magnesium silicate 1g, antifreeze glycol 1g, preservative sorbic acid 0.5g and residuals weight number more respectively, stir; Gained slurry homogenous disperse on clipper, cleans clipper with surplus deionized water 22g, thus obtains bactericidal composition suspending agent.
Embodiment 4: according to the method for embodiment 3, can prepare the bactericidal composition suspending agent of the different ratio of amino-oligosaccharide and cyazofamid
Table 1: the different ratio of amino-oligosaccharide and cyazofamid makes suspending agent composition
Embodiment 5: amino-oligosaccharide and the indoor co-toxicity of cyazofamid are tested.
5.1 reagent agent
Mass percent is the former medicine of 90% amino-oligosaccharide (Bo Zhihui power bio tech ltd, Qingdao), mass percent is the former medicine of 98% cyazofamid (Qingdao virtue dragon Chemical Co., Ltd.).
5.2 strains tested
Phytophthora infestans germ, identifies for agricultural chemicals teaching and research room of Jilin Agriculture University is separated and preserves.
5.3 mycelial growth inhibition rate methods
By the PDA medium of 120 DEG C of high-temperature sterilizations after 2 hours, (composition is 200g potato, 1000mL distilled water, 20g glucose, 18g agar) be cooled to 55 DEG C after be divided into five parts, adding concentration is respectively 10mg/L, 2mg/L, 0.4mg/L, 0.08mg/L, the 5mL amino-oligosaccharide of 0.016mg/L and cyazofamid bactericidal suspending agent composition, make the medium containing amino-oligosaccharide and cyazofamid confection containing different dose, after it fully cools, inoculation diameter 5mm supplies examination pathogen Phytophthora infestans germ bacterium sheet, separately establish the blank of not adding medicine, often kind of ratio (5:1, 3:1, 1:1, 1:3, 1:5) and five kinds of variable concentrations (10mg/L, 2mg/L, 0.4mg/L, 0.08mg/L, 0.016mg/L) accuracy that 3 times are repeated to determine its result will be set.Postvaccinal flat board is placed in incubator (25 DEG C) and cultivates, 48 hours " Invest, Then Investigate "s.
5.4 result investigation and calculating
Adopt right-angled intersection method, measure colony growth diameter, then bacteriostasis rate is calculated, utilize DPS software, mycelial growth inhibition rate is converted to probability value is ordinate, to convert denary logarithm value to be abscissa to drug concentration, obtain virulence regression equation y=a+bx and correlation coefficient, and calculate the EC of each medicament to tomato late blight
50value.
Contrast colony diameter---colony diameter in blank cultures
Process colony diameter---colony diameter in dosing medium
5.5 coefficient of synergism computational methods
Adopt Wadley method to carry out co-toxicity evaluation, determine its optimum proportioning.
EC
50(th)＝(a+b)/[a/EC(A)
50+b/EC(B)
50]
Synergism value (SR)=EC
50(th)/EC
50(ob)
EC
50and EC (ob)
50(th) actual EC is represented respectively
50with theoretical EC
50, A (amino-oligosaccharide), B (cyazofamid) are single dose, and a, b are respectively the quality ratio of both content in mixture;
SR>1.5 is synergistic effect, and 0.5≤SR≤1.5 are summation action, and SR<0.5 is antagonism.
Table 2: the indoor co-toxicity result of amino-oligosaccharide, cyazofamid
As can be seen from Table 2, the bacteriostatic activity difference that the suspending agent of amino-oligosaccharide and cyazofamid different ratio shows Phytophthora infestans germ is obvious, amino-oligosaccharide and cyazofamid in mass ratio 5:1 (are all better than single dose to the bacteriostatic activity of Phytophthora infestans germ, EC after corresponding embodiment 3,3:1 (corresponding embodiment 4) mixture
50value is respectively 0.13mg/L, 0.20mg/L, and coefficient of synergism is 2.95,1.77, and when wherein mass ratio is 5:1, synergistic effect is remarkable.According to Wadley evaluation assessment, SR > 1.5 is synergistic effect; Amino-oligosaccharide and cyazofamid be 1:1,1:3,1:5 mixing rear (corresponding embodiment 4) in mass ratio, and coefficient of synergism, between 0.5 ~ 1.5, shows summation action.Suggestion carries out further field control effectiveness test to suitable proportion 5:1 mixture preparation, to evaluate its field practical application effect.
Embodiment 6: amino-oligosaccharide and cyazofamid are to the field trial of tomato late blight
6.1 test method
Selected place is positioned at Jilin Agriculture University experimental field, and experimental field liquid manure is sufficient, selects smooth, that growing way is the relatively consistent plot of physical features to carry out community experiment.Test designs 6 process altogether, repeats for three times, Gong18Ge community, plot area 50m
2, random district, each community group arranges.
6.2 control times and method
Pilot survey is by pesticide field efficacy medicine test criterion (one): this test altogether dispenser is spaced apart 7d twice, adjusts Check tomato late blight incidence after second time dispenser 10d.Adopt diagonal 5 sampling, record total strain number, diseased plant number and each sick progression, calculate disease index and preventive effect.
Grade scale and computing formula as follows:
0 grade without scab
1 grade of lesion area accounts for whole leaf area less than 5%
2 grades of lesion areas account for whole leaf area 6% ~ 10%
3 grades of lesion areas account for whole leaf area 11% ~ 20%
4 grades of lesion areas account for whole leaf area 21% ~ 50%
5 grades of lesion areas account for whole leaf area more than 50%
Disease index=[∑ (diseased plant number at different levels × relative level value number)/(superlative degree is worth × investigates total strain number)] × 100%
Control efficiency=[(blank district disease index-treatment region disease index)/blank district disease index] × 100%
6.3 respectively process field control effectiveness test results and analysis as following table:
Table 3: the field test results of each process control tomato late blight
Note: a represents remarkable in the level of α=0.05, and b represents variant in the level of α=0.05, and c represents not remarkable in the level of α=0.05; A represents remarkable in the level of α=0.01, and B represents variant in the level of α=0.01, and C represents not remarkable in the level of α=0.01.
The effect of different disposal control tomato late blight is as shown in table 3.18% amino-oligosaccharide cyazofamid SC (suspending agent) has good preventive effect to control tomato late blight, and being better than formulation rate is 100ga.i. (g be gram, a.i is active ingredient percentage)/hm
290% amino-oligosaccharide (former medicine) and 98% cyazofamid (former medicine) and blank, both control efficiency are respectively 78.48% and 81.39%.And 18% amino-oligosaccharide cyazofamid SC 50,100,150ga.i./hm
2under dosage, preventive effect is respectively 83.84%, 92.74%, 89.57%, wherein 100ga.i./hm
2preventive effect under dosage is best.Duration of test observe, each treatment agent all to tomato plant without symptom of chemical damage, test medicine is to tomato growth safety.
In sum, the present invention is the bactericidal composition containing amino-oligosaccharide and cyazofamid, its active with bactericidal effect compared with existing unitary agent, except there is significant bactericidal effect, and have significant synergistic effect, slow down the generation of resistance, safety is good, meets the security requirement of pesticidal preparations.So research and development of the present invention and popularization are of great significance social tool.
Claims (5)
1. contain a bactericidal composition for amino-oligosaccharide and cyazofamid, the active ingredient of this bactericidal composition is amino-oligosaccharide and cyazofamid, and all the other are auxiliary element; By mass percent be 100% calculating, both amino-oligosaccharide and cyazofamid quality and the mass percent accounting for bactericidal composition are 1% ~ 80%, the mass ratio of amino-oligosaccharide and cyazofamid is 1:50 ~ 50:1, and auxiliary element is one or more in wetting dispersing agent, bleeding agent, antifreezing agent, defoamer, dispersant, anticaking agent, suspending agent, film forming agent, mould inhibitor, pH adjusting agent, colouring agent, filler, wetting agent, thickener, antioxidant.
2. a kind of bactericidal composition containing amino-oligosaccharide and cyazofamid as claimed in claim 1, is characterized in that: be aqua, and by mass percent be 100% calculating, the mass percentage of its each component is,
Amino-oligosaccharide 2.5 ~ 25%,
Cyazofamid 2.5 ~ 25%,
Wetting dispersing agent 1 ~ 6%,
Bleeding agent 1 ~ 6%,
Antifreezing agent 3 ~ 8%,
Defoamer 1 ~ 3%,
All the other are deionized water,
And the mass ratio of amino-oligosaccharide and cyazofamid is 1:5 ~ 5:1;
Described wetting dispersing agent is one or more in alkylaryl polyoxyethylene polyoxypropylene ether, calcium dodecyl benzene sulfonate, neopelex, nonyl phenol formaldehyde resin APEO, sodium lignin sulfonate, polyoxyethylene nonylphenol ether;
Described bleeding agent is one in fatty alcohol-polyoxyethylene ether, disecoctylmaleate sodium sulfonate or two kinds;
Described antifreezing agent is one or more in glycerine, ethylene glycol, propane diols or urea;
Described defoamer is dimethyl silicone polymer.
3. a kind of bactericidal composition containing amino-oligosaccharide and cyazofamid as claimed in claim 1, is characterized in that: be suspension seed-coating agent, and by mass percent be 100% calculating, the mass percentage of its each component is,
Amino-oligosaccharide 2.5 ~ 25%,
Cyazofamid 2.5 ~ 25%,
Dispersant 2% ~ 40%,
Anticaking agent 1 ~ 3%,
Suspending agent 0.5 ~ 1.5%,
Film forming agent 2 ~ 4%,
Mould inhibitor 1 ~ 3%,
Antifreezing agent 1 ~ 3%,
PH adjusting agent 1 ~ 3%,
Colouring agent 0.1 ~ 1.0%,
Filler 5 ~ 10%,
All the other are deionized water,
And the mass ratio of amino-oligosaccharide and cyazofamid is 1:5 ~ 5:1;
Described dispersant is one or more in phosphoric acid ester, lignin sulfonate, naphthalenesulfonate, benzenesulfonates, polystyrene-based phenol polyethenoxy ether sulfate, metal carboxylate, succinic acid Sulfonates, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, polystyrene-based phenols, polyethenoxy ether class surfactant;
Described anticaking agent is one or more in sodium silicoaluminate, tricalcium phosphate, silica;
Described suspending agent is one or more in yellow collagen, white carbon, polyvinyl alcohol, sodium carboxymethylcellulose;
One or more in described film forming agent polyvinyl alcohol, polyvinyl acetate, modified starch;
Described antifreezing agent is one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, sorbierite, urea;
Described mould inhibitor is one or more in BIT, Sodium Benzoate, formaldehyde, sorbic acid, polyhydroxy benzenes propyl formate;
Described pH adjusting agent is one or more in sodium hydroxide, ammoniacal liquor, acetic acid, hydrochloric acid, citric acid;
Described colouring agent is acid red as fire;
Described filler is kaolin, one or more in diatomite, bentonite, starch.
4. a kind of bactericidal composition containing amino-oligosaccharide and cyazofamid as claimed in claim 1, is characterized in that: be suspending agent, and by mass percent be 100% calculating, the mass percentage of its each component is,
Amino-oligosaccharide 2.5 ~ 25%,
Cyazofamid 2.5 ~ 25%,
Dispersant 1 ~ 4%,
Wetting agent 2 ~ 5%,
Thickener 1 ~ 2%,
Defoamer 0.2 ~ 1.0%,
Antifreezing agent 1 ~ 3%,
Preservative 0.2 ~ 1.0%,
PH adjusting agent 0.5 ~ 1.5%,
Antioxidant 0.2 ~ 1.0%,
All the other are deionized water,
And the mass ratio of amino-oligosaccharide and cyazofamid is 1:5 ~ 5:1;
Described dispersant is one or more in anion surfactant and non-ionic surface active agent; Anion surfactant is phosphoric acid ester, metal carboxylate, lignin sulfonate, milk Sulfonates, polystyrene-based phenol polyethenoxy ether Sulfates, benzenesulfonates or succinic acid salt; The macromolecular grafted copolymer that non-ionic surface active agent is fatty alcohol copolymer, molecular weight is 20000 ~ 30000, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether or polystyrene-based phenol polyethenoxy ethers;
Wetting agent is one or more in polystyrene-based polyethenoxy ether class, polyoxyethylene nonylphenol ether class, alkyl naphthalene sulfonic acid salt, fatty alcohol polyethenoxy ether class;
Thickener is one or more in aluminium-magnesium silicate, carboxyl alkyl cellulose class, yellow collagen, bentonite;
Defoamer is one or more in poly-alkyl silicon ethylene oxide, mineral oil, alcohols;
Antifreezing agent is one or more in urea, propane diols, diethylene glycol, ethylene glycol;
Preservative is one or more in formaldehyde, BIT, Sodium Benzoate and sorbic acid, polyhydroxy benzenes propyl formate;
PH adjusting agent is one or more in citric acid, glacial acetic acid, phosphoric acid, maleic acid;
Antioxidant is one or more in butylated hydroxy anisole, dibutyl hydroxy toluene, UV-protectant, ditert-butylhydro quinone.
5. a kind of bactericidal composition containing amino-oligosaccharide and cyazofamid described in Claims 1 to 4 is preventing and treating the application on tomato late blight.
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| CN107094767A (en) * | 2017-05-31 | 2017-08-29 | 宾阳禾医生农业服务有限公司 | Sterilization synergistic composition containing cyazofamid |
| CN110214781A (en) * | 2019-07-02 | 2019-09-10 | 赵士明 | A kind of amino-oligosaccharide film forming agent pesticide |
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