CN105123745B - Bactericidal composition containing dufulin and fludioxonil and bactericide - Google Patents
Bactericidal composition containing dufulin and fludioxonil and bactericide Download PDFInfo
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- CN105123745B CN105123745B CN201510466568.7A CN201510466568A CN105123745B CN 105123745 B CN105123745 B CN 105123745B CN 201510466568 A CN201510466568 A CN 201510466568A CN 105123745 B CN105123745 B CN 105123745B
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- bactericidal composition
- fluoride phosphate
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Abstract
The invention relates to a bactericidal composition and bactericide. The bactericidal composition contains dufulin and fludioxonil. The weight ratio of dufulin to fludioxonil is (40-1):(1-60), and the preferable weight ratio of dufulin to fludioxonil is (20-1):(1-40). The provided bactericidal composition accounts for 0.1 to 80% of the total weight of bactericide. The provided bactericide has a prominent synergetic effect on controlling a plurality of crop viral and fungal diseases. The control effect is greatly improved, the using amount of pesticide is reduced, the cost is reduced, and the drug resistance is inhibited.
Description
Technical field
The present invention relates to technical field of pesticide, and in particular to the bactericidal composition and its sterilization of toxic fluoride phosphate and CGA-173506 mixture
Agent.
Background technology
Toxic fluoride phosphate is that inventor is transferred the possession of the plant virus resistance product (patent No. of new generation for coming by Guizhou University
ZL200510003041.7), it is a kind of novel new Antiphytoviral medicament of fluorine-containing amino phosphonate ester of structure.In view of it
The characteristic such as structure novelty, mechanism of action uniqueness, toxic fluoride phosphate is used to preventing and treating virosiss effect and projects very much.But its preventing and treating spectrum is narrow,
It is undesirable that alone its prevents and treats other crop pest effects.For this purpose, in order to improve the preventing and treating effect that toxic fluoride phosphate prevents and treats other crop pests
Really, and delay the service life of excellent pesticide toxic fluoride phosphate, inventor has carried out substantial amounts of test, result of the test find toxic fluoride phosphate and
The potentiation that CGA-173506 compounding prevents and treats crop pest is notable.After different pesticide active ingredients are compounded, three kinds can be shown
Type of action：Summation action, potentiation and antagonism.Generally, only different pesticide can just be known by substantial amounts of test
Type of action after effective ingredient compounding.
CGA-173506 is a kind of contact pesticide, can pass through the transfer for suppressing glucose phosphorylated relevant, and suppresses funguses
Mycelial growth, ultimately results in pathogenic bacteria death, and the mechanism of action is unique.Various fungal diseases are had by CGA-173506 wide sterilization spectrum
Good preventive and therapeutic effect, while can be used for preventing and treating seed disease, soil-borne disease, and stem and leaf class disease.
So far, the relevant report of toxic fluoride phosphate and the compositionss of CGA-173506 is not at home and abroad found.
The content of the invention
By in consideration of it, it is an object of the invention to provide bactericidal composition and antibacterial, the bactericidal composition and antibacterial
There is obvious synergistic function relative to single dose, the dosage of pesticide has both been reduced, the effect for preventing and treating crop pest is also improved
Really.
To achieve these goals, the technical scheme is that：
There is provided a kind of bactericidal composition, the bactericidal composition contains toxic fluoride phosphate and CGA-173506, wherein described toxic fluoride phosphate and
The weight ratio of CGA-173506 is 40:1～1:60.
Preferably, the weight ratio of described toxic fluoride phosphate and CGA-173506 is 20:1～1:40.
The present invention also provides a kind of antibacterial containing toxic fluoride phosphate described above and the bactericidal composition of CGA-173506.Wherein,
Described bactericidal composition accounts for the 0.1%-80% of the antibacterial gross weight；Preferably, described bactericidal composition accounts for described
The 5%-60% of antibacterial gross weight.
The antibacterial that the present invention is provided, except including the Bactericidal composite beyond the region of objective existence of toxic fluoride phosphate and CGA-173506, also containing on pesticide
Acceptable auxiliary element.
It is in wetting agent, dispersant, emulsifying agent, solvent, carrier that auxiliary element is subjected on pesticide of the present invention
It is several.Other conventional functionality auxiliary agents such as antifreeze, thickening agent, stabilizer, defoamer, disintegrating agent can be also added if necessary.
Emulsifying agent, wetting agent, dispersant be sodium carboxymethyl cellulose, sodium metnylene bis-naphthalene sulfonate, sodium lauryl sulphate,
Alkylnaphthalene sulfonate, thermally coupled distillation columns, agriculture breast 600#, the formaldehyde condensation products of methyl naphthalene sulfonic acid sodium, alkyl phenol
Polyoxyethylene ether, styrylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, polycarboxylate.
Filler is trace element, ammonium dihydrogen phosphate, carbamide in Kaolin, white carbon, bentonite, kieselguhr, NPK.
Solvent is water.
Antifreezing agent is glycerol, ethylene glycol.
Thickening agent is xanthan gum, aluminium-magnesium silicate.
Defoamer is organosilicon.
Binding agent is starch, polyvinyl alcohol.
Warning coloration is carmine, bright red.
The present invention provide antibacterial can preparation cost field various dosage forms such as wettable powder, cream, ultra-low volume liquid
Agent etc..Preferably, in the embodiment of present invention offer, antibacterial can be prepared into following dosage form：Wettable powder, water-dispersible grain
Agent, suspending agent, seed treatment dry powder doses, suspension seed-coating agent, granule.Wettable powder is wettable powder.
Antibacterial of the present invention can be used to prevent and treat crop Disease, it may also be used for preventing and treating crop fungoid disease
Evil.
Antibacterial of the present invention can be applied by commonsense method, such as stem and leaf spraying treatment, it is also possible to spread fertilizer over the fields or filled
Root, can also dress seed or seed pelleting is used.
Bactericidal composition and its antibacterial that the present invention is provided, have the advantages that：
1st, within the specific limits mixture prevents and treats the co-toxicity coefficient of crop pest more than 120 for toxic fluoride phosphate and CGA-173506, shows
Obvious synergistic function.
2nd, toxic fluoride phosphate and CGA-173506 mixture reach mutual supplement with each other's advantages, improve prevention effect, each prevention effect for processing relative to
The prevention effect of toxic fluoride phosphate single dose improves more than 20%, and relative to the prevention effect of CGA-173506 single dose more than 20% is improve.
3rd, the dosage of pesticide is reduced, the effect of reduces cost, also delaying drug resistance, while reducing pesticide on crop
Residual quantity.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
The toxic fluoride phosphate active compound that the present invention is used is provided by Guangxi Tianyuan Biochemical Co., Ltd., the medicine such as CGA-173506 and auxiliary agent
Agent is commercial.Active compound is calculated by folding hundred.
First, the preparation of wettable powder
Preparation method：After by the auxiliary agents such as toxic fluoride phosphate active compound, CGA-173506 active compound, wetting dispersing agent, carrier mixing, add and crush
Granularity is crushed in machine to meet the requirements, is discharged and is stirred, obtain final product the wettable powder of antibacterial of the present invention.
Embodiment 1：61% toxic fluoride phosphate CGA-173506 wettable powder (1:60)
Toxic fluoride phosphate 1%, CGA-173506 60%, sodium carboxymethyl cellulose 2%, sodium metnylene bis-naphthalene sulfonate 3%, dodecyl sulfur
Sour sodium 2%, Kaolin supplies 100%.
Embodiment 2：31% toxic fluoride phosphate CGA-173506 wettable powder (30:1)
Toxic fluoride phosphate 30%, CGA-173506 1%, sodium carboxymethyl cellulose 4%, alkylnaphthalene sulfonate 2%, white carbon 5%, swelling
Soil supplies 100%.
2nd, the preparation of suspending agent
Preparation method：The formula proportion of each embodiment of example is pressed, first by toxic fluoride phosphate, CGA-173506, auxiliary agent and part water in sand
Grind in grinding machine, after the completion of grinding, antifreezing agent, thickening agent in material suction high-speed shearing machine, will be added, the water of surplus, disappeared
Infusion carries out high speed shear, and the suspending agent of antibacterial of the present invention is obtained after the completion of shearing.
Embodiment 3：21% toxic fluoride phosphate CGA-173506 suspending agent (20:1)
Toxic fluoride phosphate 20%, CGA-173506 1%, thermally coupled distillation columns 6%, agriculture breast 600#3%, dodecyl sulfur
Sour sodium 1%, glycerol 3%, xanthan gum 1.5%, organosilicon 0.05%, water supplies 100%.
Embodiment 4：30% toxic fluoride phosphate CGA-173506 suspending agent (1:1)
Toxic fluoride phosphate 15%, CGA-173506 15%, thermally coupled distillation columns 4%, agriculture breast 600#5%, dodecyl
Sodium sulfate 1%, ethylene glycol 3%, xanthan gum 1.5%, organosilicon 0.1%, water supplies 100%.
3rd, the preparation of water dispersible granules
Preparation method：The formula proportion of each embodiment of example is pressed, by each component mix homogeneously, Jing jet mills are crushed
Afterwards, 30min is stirred, is mediated, being subsequently adding in fluid bed carries out pelletize, is dried after pelletize is good, sieves and obtain the present invention
The water dispersible granules of antibacterial.
Embodiment 5：41% toxic fluoride phosphate CGA-173506 water dispersible granules (1:40)
Toxic fluoride phosphate 1%, CGA-173506 40%, sodium carboxymethyl cellulose 3%, sodium metnylene bis-naphthalene sulfonate 2%, dodecyl sulfur
Sour sodium 2%, starch 2%, Kaolin supplies 100%.
Embodiment 6：80% toxic fluoride phosphate CGA-173506 water dispersible granules (1:4)
Toxic fluoride phosphate 16%, CGA-173506 64%, the formaldehyde condensation products 5% of methyl naphthalene sulfonic acid sodium, sodium metnylene bis-naphthalene sulfonate
1%, sodium lauryl sulphate 2%, carboxymethyl cellulose 2%, kieselguhr supplies 100%.
4th, seed treatment dry powder doses
Preparation method：By formula proportion, by toxic fluoride phosphate and CGA-173506, each auxiliary agent premixing uniformly, then through pulverizer
Crush, crushing completes mix homogeneously again, obtains final product the seed treatment dry powder doses of antibacterial of the present invention.
Embodiment 7：12% toxic fluoride phosphate CGA-173506 seed treatment dry powder doses (5:1)
Toxic fluoride phosphate 10%, CGA-173506 2%, sodium carboxymethyl cellulose 6%, alkylphenol-polyethenoxy base ether 1%, polyvinyl alcohol
2%, carmine 0.2%, Kaolin supplies 100%.
5th, suspension seed-coating agent
Preparation method：By formula proportion by toxic fluoride phosphate, CGA-173506 active compound, emulsifying agent mix homogeneously, suitable quantity of water is added, used
Sand mill wet grinding will add film former, thickening agent, defoamer, antifreeze to certain particle size range in material suction cutting kettle
Agent, warning coloration and remaining water carry out the indexs such as the viscosity of high speed shear to material, particle diameter and meet control requirement, and discharging is obtained final product
The suspension seed-coating agent of antibacterial of the present invention.
The toxic fluoride phosphate CGA-173506 suspension seed-coating agent (1 of embodiment 811%:10)
Toxic fluoride phosphate 1%, CGA-173506 10%, styrylphenol polyoxyethylene ether 5%, fatty alcohol-polyoxyethylene ether 2% gathers
Carboxylate 2%, ethylene glycol 2%, aluminium-magnesium silicate 2.5%, organosilicon 0.03%, bright red 0.2%, water supplies 100%.
6th, the preparation of granule
By formula proportion, by toxic fluoride phosphate and CGA-173506, each auxiliary agent premixing uniformly, then crush through pulverizer, crush
Complete to carry out pelletize, obtain final product the granule of antibacterial of the present invention.
The toxic fluoride phosphate CGA-173506 granule (1 of embodiment 90.3%:2)
Toxic fluoride phosphate 0.1%, CGA-173506 0.2%, the formaldehyde condensation products 4% of methyl naphthalene sulfonic acid sodium, sodium lauryl sulphate
Trace element 2% in 1.5%, NPK, ammonium dihydrogen phosphate 5%, carbamide supplies 100%.
Toxicity Determination：
Following indoor biometricses test calculates co-toxicity coefficient (CTC) to evaluate mixed effect using the abundant methods of Sun Yun.
Toxicity index TI (B)=(EC of standard agent A50The EC of ÷ B agent50)×100
Actual toxicity index ATI (AB)=(EC of A50The EC of ÷ AB50)×100
Percent+TI (B) × B percentages in mixture of theoretical toxicity index TTI (AB)=TI (the A) × A in mixture
Number
Actual measurement toxicity index (ATI)=(standard agent EC50÷ reagent agents EC50)×100
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI) ÷ mixture theoretical toxicity index (TTI)] × 100
Evaluation criterion is：Co-toxicity coefficient >=120 show as potentiation；Co-toxicity coefficient≤80 show as antagonism；80<
Co-toxicity coefficient<120 show as summation action.
Toxicity Determination embodiment one
Test method：Indoor pot Nicotiana tabacum L. susceptible variety plant is mixed to the 4-5 leaf phases with the medicinal liquid of different ratio variable concentrations
Isopyknic viral juice frictional inoculation is closed, 3 plants are often processed, 3 leaves of often selecting good strains in the field for seed are repeated 4 times, and withered spot number is investigated after 3-4 days, meter
Suppression ratio is calculated, EC is used50Value is pressed the abundant methods of Sun Yun and calculates co-toxicity coefficient.Measurement result is shown in Table 1.
Table 1 prevents and treats the joint toxicity measuring result of tomato virus disease
From the measurement result of table 1, toxic fluoride phosphate is with CGA-173506 (40:1)～(1:60) compound in the range of, preventing and treating kind
The co-toxicity coefficient of eggplant virosiss reaches more than 120, shows that both are compounded with obvious potentiation.
Toxicity Determination embodiment two
Test method：Reference《The part of NY/T1156.8-2007 farm-chemical indoor determination test rules antibacterial the 8th：It is anti-
Control rice blast pot-culture method》With《The synergy of NY/T 1156.6-2006 mixtures is determined》.Measurement result is shown in Table 2
Table 2 prevents and treats the joint toxicity measuring result of rice blast
From the measurement result of table 2, toxic fluoride phosphate is with CGA-173506 (40:1)～(1:60) compound in the range of, it is anti-to harness the river
The co-toxicity coefficient of rice rice blast reaches more than 120, shows that both are compounded with obvious potentiation.
Toxicity Determination embodiment three
Test method：Reference《The part of NYT 1156.7-2006 farm-chemical indoor determination test rules antibacterial the 7th：It is anti-
Control cucumber downy mildew test pot-culture method》With《The synergy of NY/T 1156.6-2006 mixtures is determined》, calculate each medicament
EC50, and the co-toxicity coefficient of mixture is calculated according to the abundant methods of Sun Yun.Measurement result is shown in Table 3.
Table 3 prevents and treats the joint toxicity measuring result of cucumber downy mildew
From the measurement result of table 3, toxic fluoride phosphate is with CGA-173506 (40:1)～(1:60) compound in the range of, anti-Yellow River harnessing
The co-toxicity coefficient of melon downy mildew reaches more than 120, shows that both are compounded with obvious potentiation.
Land for growing field crops test examples
In order to clear and definite toxic fluoride phosphate and CGA-173506 it is alone with it is mixed when prevent and treat the prevention effect of crop pest, present invention applicant
At home different regions have carried out substantial amounts of field test.
Disease index computing formula：
In formula：
X --- disease index；
Ni--- the sick numbers of sheets at different levels；
I --- with respect to value of series；
N --- investigation total number of sheets.
Prevention effect formula：
In formula：
P --- prevention effect, unit is percent (%)；
CK0--- disease index before blank district dispenser；
CK1--- disease index after blank district dispenser；
PT0--- disease index before chemicals treatment district dispenser；
PT1--- disease index after dispenser after chemicals treatment；
Comparison medicament：
Comparison medicament 1：30% toxic fluoride phosphate wettable powder, registration card LS20130359, Guangxi rural area biochemistry share is limited
Company；
Comparison medicament 2：50% coughs up nitrile bacterium wettable powder, and registration card PD20095400, Switzerland first just has up to crop protection
Limit company.
Field control effectiveness test one：
Test method and investigation method：Reference《The part of NY/T1464.8-2007 pesticide field efficacy medicine tests criterion the 8th：Kill
Microbial inoculum prevents and treats tomato virus disease》, before disease occurs or early period of origination for the first time spray dispenser, second spray is applied after 5d
Medicine.Altogether twice, it is 20m that each processes plot area for dispenser2, number of repetition 4 times.
Investigation method：7d, 14d investigation before dispenser and after last dispenser, random 5 points of samplings per cell, per takes 6
Strain, investigation total strain number, diseased plant number at different levels.Result of the test is shown in Table 4.
Table 4 prevents and treats the field test results of tomato virus disease
Knowable to result of the test table 4, in disease early period of origination, in the effective ingredient dosage situation fewer than single dose, this
The preventive effect of 7d and 14d is substantially better than single dose after bright second medicine of bactericidal agent for preventing and treating tomato virus disease, and 7d's is anti-after second medicine
Effect is respectively after 20.68%-24.68%, 43.80%-47.79%, second medicine higher than the preventive effect of toxic fluoride phosphate, CGA-173506 single dose
14d preventive effects remain to reach more than 93%, and the lasting period is long.
Field control effectiveness test two：
Test method and investigation method：Reference《GB/T17980.19-2000 pesticide field efficacy medicine test criterions (one) sterilizes
Agent Oryza sativa L. leaf diseases》.Result of the test is shown in Table 5.
Table 5 prevents and treats the field control effectiveness test result of rice blast
As shown in Table 5, in the case where effective ingredient dosage is less than comparison medicament, the bactericidal agent for preventing and treating Oryza sativa L. of the present invention
The preventive effect of rice blast is higher than the preventive effect of the toxic fluoride phosphate wettable powder of single dose 30%, 50% CGA-173506 wettable powder respectively
26.23%-31.54%, 20.69%-23.64%, potentiation highly significant, hence it is evident that improve protection effect.
Field control effectiveness test three：
Test method and investigation method：Reference《GB/T17980.26-2000 pesticide field efficacy medicine test criterions (one)：Kill
Microbial inoculum prevents and treats cucumber downy mildew》, disease send out before or begin see scab when carry out first time dispenser, second dispenser is carried out after 5d, be total to
Twice, it is 20m that each processes plot area for dispenser2, number of repetition 4 times.Result of the test is shown in Table 6.
Table 6 prevents and treats the field control effectiveness test result of cucumber downy mildew
As shown in Table 6, in the case where effective ingredient dosage is less than comparison medicament, the bactericidal agent for preventing and treating Fructus Cucumidis sativi of the present invention
The preventive effect of downy mildew is higher than the preventive effect of the toxic fluoride phosphate wettable powder of single dose 30%, 50% CGA-173506 wettable powder respectively
30.80%-36.73%, 21.83%-28.45%, potentiation highly significant, hence it is evident that improve protection effect.
Claims (8)
1. a kind of bactericidal composition, it is characterised in that the bactericidal composition composition is toxic fluoride phosphate and CGA-173506；Wherein toxic fluoride phosphate
It is 40 with the weight ratio of CGA-173506:1~1:60.
2. bactericidal composition according to claim 1, it is characterised in that the weight ratio of the toxic fluoride phosphate and CGA-173506 is
20:1~1:40。
3. a kind of antibacterial containing the arbitrary bactericidal composition of claim 1-2, it is characterised in that the bactericidal composition
Account for the 0.1%-80% of the antibacterial gross weight.
4. antibacterial according to claim 3, it is characterised in that the bactericidal composition accounts for the antibacterial gross weight
5%-60%。
5. antibacterial according to claim 3, it is characterised in that the antibacterial on pesticide also containing being subjected to aiding in into
Point.
6. antibacterial according to claim 3, it is characterised in that the antibacterial is prepared into following dosage form：Wettable powder
Agent, water dispersible granules, suspending agent, seed treatment dry powder doses, suspension seed-coating agent, granule.
7. the application according to the arbitrary described antibacterial of claim 4-6 in terms of preventing and treating crop Disease.
8. the application according to the arbitrary described antibacterial of claim 4-6 in terms of preventing and treating crop fungal disease.
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| CN1291993C (en) * | 2005-04-04 | 2006-12-27 | 贵州大学 | N-substituted benzothiazolyl-1-substituted phenyl-0,0-dialkyl-alpha-amino phosphonate ester derivatives preparation and application |
| CN106165684B (en) * | 2011-06-24 | 2019-06-14 | 陶氏益农公司 | Pesticidal combination and its correlation technique |
| CN103636668B (en) * | 2012-06-27 | 2015-04-22 | 广西田园生化股份有限公司 | Sterilization composition containing Dufulin and orysastrobin |
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