CN105052999B - A kind of bactericidal composition and preparation containing toxic fluoride phosphate and Portugal's polyene sugar - Google Patents
A kind of bactericidal composition and preparation containing toxic fluoride phosphate and Portugal's polyene sugar Download PDFInfo
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- CN105052999B CN105052999B CN201510466749.XA CN201510466749A CN105052999B CN 105052999 B CN105052999 B CN 105052999B CN 201510466749 A CN201510466749 A CN 201510466749A CN 105052999 B CN105052999 B CN 105052999B
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- fluoride phosphate
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Abstract
The present invention relates to a kind of bactericidal composition and bactericide, the bactericidal composition contains toxic fluoride phosphate and Portugal's polyene sugar, and the weight ratio of wherein toxic fluoride phosphate and Portugal's polyene sugar is 40:1~1:20, preferably weight ratio is 30:1~1:10.The present invention provides 0.1% 80% that bactericidal composition accounts for bactericide gross weight, various crop is viral and fungal disease is respectively provided with obvious synergistic effect for preventing and treating for the bactericide, greatly improves prevention effect, reduces the usage amount of medicament, reduces cost, delays the resistance to the action of a drug.
Description
Technical field
The present invention relates to technical field of pesticide, and in particular to containing toxic fluoride phosphate and Portugal's polyene sugar mixture bactericidal composition and its
Preparation.
Background technology
With the change of pattern of farming and weather, in various process of crop growth, the crop caused harm by virosis at present
Also it is more and more.And the medicament for preventing and treating virosis at present mainly has amino-oligosaccharide, octicin solution, virus A etc..But these medicaments because
Its service life is long, and frequency of use is high, and virosis produces certain resistance to the action of a drug to these medicaments, causes prevention effect to decline, even if
Increase the demand for preventing and treating virosis that dosage also can not meet peasant.
Toxic fluoride phosphate is that inventor transfers 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 virosis effect and protrudes very much.But good agricultural chemicals product
Kind, it should be noted that protection, its excellent prevention effect is just played, and extend the service life of excellent agricultural chemicals toxic fluoride phosphate.Inventor exists
Substantial amounts of experiment is carried out, it is found that toxic fluoride phosphate and Portugal's polyene sugar compounding prevent and treat crop disease synergistic effect significantly, improved preventing and treating effect
Really, the resistance to the action of a drug of pathogen can be also delayed to produce.In this area, after different pesticide active ingredients are compounded, three can be shown
Plant type of action：Summation action, synergistic effect and antagonism.Generally, different agricultures can just only be known by substantial amounts of experiment
Type of action after pharmaceutically active ingredient compounding.
Portugal's polyene sugar is a kind of exciting for inducible disease resistance of plant from pathogen in host's cause of disease Interaction
Son, is that a kind of international new bio newly developed lures resistance virucide, and it can effectively be passivated virus, and various viruses are caused
Disease has good prevention effect.
So far, the relevant report of toxic fluoride phosphate and the composition of Portugal's polyene sugar is not found at home and abroad.
The content of the invention
In order to solve problem of the prior art, it is an object of the invention to provide a kind of bactericidal composition and contain sterilized group
The agricultural chemicals of compound, the bactericidal composition and agricultural chemicals have obvious synergistic function relative to single dose, improve prevention effect,
Reduce the usage amount of agricultural chemicals.
In order to reach the purpose of the present invention, the technical scheme of use is：
A kind of bactericidal composition, the bactericidal composition contains toxic fluoride phosphate and Portugal's polyene sugar, wherein toxic fluoride phosphate and Portugal's polyene sugar
Weight ratio be 40:1~1:20.
Preferably, the weight ratio of the above toxic fluoride phosphate and Portugal's polyene sugar is 30:1~1:10.
It is highly preferred that the weight ratio of the above toxic fluoride phosphate and Portugal's polyene sugar is 10:1~1:5.
The present invention also provides a kind of agricultural chemicals containing the above bactericidal composition, and the bactericidal composition accounts for the agricultural chemicals
The 0.1%-45% of gross weight.Preferably, the bactericidal composition accounts for the 5%-20% of the agricultural chemicals gross weight.
The agricultural chemicals that the present invention is provided is except containing the above Bactericidal composite beyond the region of objective existence, also containing other auxiliary elements.Wherein
Auxiliary element is several in wetting agent, dispersant, emulsifying agent, solvent, carrier.Can also add if necessary antifreeze, thickener,
Other conventional functionality auxiliary agents such as stabilizer, defoamer, disintegrant.
Filler is kaolin, white carbon, bentonite, ammonium dihydrogen phosphate, urea.
Solvent is water.
Wetting agent, dispersant, emulsifying agent be Morwet D-425, neopelex, sodium carboxymethylcellulose,
Morwet EFW, the formaldehyde condensation products of methyl naphthalene sulfonic acid sodium, agriculture breast 600#, APES phosphate, wetting agent
Wetting Agent WL, sodium metnylene bis-naphthalene sulfonate, APES phosphate, lauryl sodium sulfate.
Antifreezing agent is ethylene glycol.
Thickener is xanthans, aluminium-magnesium silicate.
Binding agent is starch.
Disintegrant is sodium carbonate.
Defoamer is organosilicon.
Warning coloration is bright red.
Above-described agricultural chemicals can be prepared into various formulations such as wettable powder, missible oil, surpass according to the preparation method of this area
Low capacity liquor etc..Preferably, in the embodiment of present invention offer, the agricultural chemicals can be prepared into following formulation：Wettable powder,
Water dispersible granules, suspending agent, suspension seed-coating agent, granule.Wettable powder is wettable powder.
Application of the bactericidal composition containing toxic fluoride phosphate and Portugal's polyene sugar in terms of virosis is prevented and treated.
Agricultural chemicals of the present invention can be applied by commonsense method, such as cauline leaf spraying treatment, it is also possible to be spread fertilizer over the fields or pouring root,
Can also dress seed or seed pelleting is used.
Relative to prior art, bactericidal composition of the invention and the agricultural chemicals containing bactericidal composition have following beneficial effect
Really：
1st, mixture prevents and treats the co-toxicity coefficient of crop disease more than 120 within the specific limits for toxic fluoride phosphate and Portugal's polyene sugar, performance
Go out obvious synergistic function.
2nd, toxic fluoride phosphate and Portugal's polyene sugar mixture reach mutual supplement with each other's advantages, improve prevention effect；When used for preventing and treating tomato virus disease
During with black streaked dwarf virus of rice, its prevention effect improves more than 24% relative to toxic fluoride phosphate single dose, relative to Portugal's polyene sugar single dose
Improve 20.76%.
3rd, dosage, the effect of reduces cost, also delaying drug resistance, while reducing residual of the agricultural chemicals on crop are reduced
Amount.
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., Portugal's polyene sugar and auxiliary agent etc.
Medicament is purchased in market.Active compound is calculated by folding hundred.
First, the preparation of wettable powder
Preparation method：After auxiliary agent, the carriers such as toxic fluoride phosphate active compound, Portugal polyene glycogen medicine, wetting dispersing agent are mixed, powder is added
Granularity is crushed in broken machine to meet the requirements, discharges and stir, obtain final product the agriculture containing toxic fluoride phosphate and Portugal's polyene sugar bactericidal composition
Medicine.
Embodiment 1：41% toxic fluoride phosphate Portugal polyene sugar wettable powder (40:1)
Toxic fluoride phosphate 40%, Portugal polyene sugar 1%, Morwet D-4253%, neopelex 3%, kaolin is supplied
100%.
Embodiment 2：21% toxic fluoride phosphate Portugal polyene sugar wettable powder (1:20)
Toxic fluoride phosphate 1%, Portugal polyene sugar 20%, sodium carboxymethylcellulose 3%, Morwet EFW 4%, white carbon 5% is swollen
Profit soil supplies 100%.
2nd, the preparation of suspending agent
Preparation method：The formula rate of each embodiment of example is pressed, first toxic fluoride phosphate, Portugal's polyene sugar, auxiliary agent and part water exist
In sand mill grind, after the completion of grinding, will material be pumped into high-speed shearing machine in, add antifreezing agent, thickener, the water of surplus,
Defoamer carries out high speed shear, and the agricultural chemicals containing toxic fluoride phosphate and Portugal's polyene sugar bactericidal composition is obtained after the completion of shearing.
Embodiment 3：31% toxic fluoride phosphate Portugal polyene sugar suspending agent (30:1)
Toxic fluoride phosphate 30%, Portugal polyene sugar 1%, the formaldehyde condensation products 6% of methyl naphthalene sulfonic acid sodium, agriculture breast 600#3%, alkyl phenol
Polyoxyethylene ether phosphate 1%, ethylene glycol 3%, xanthans 2%, organosilicon 0.05%, water supplies 100%.
3rd, the preparation of water dispersible granules
Preparation method：The formula rate of each embodiment of example is pressed, each component is well mixed, crushed through airslide disintegrating mill
Afterwards, 30min is stirred, is mediated, be subsequently adding in fluid bed and granulated, be dried after granulation is good, sieve and obtain toxic fluorine
The agricultural chemicals of phosphorus and Portugal's polyene sugar bactericidal composition.
Embodiment 4：11% toxic fluoride phosphate Portugal polyene syrup dispersible granule (10:1)
Toxic fluoride phosphate 10%, Portugal polyene sugar 1%, wetting agent Wetting Agent WL3%, sodium metnylene bis-naphthalene sulfonate 2%,
Starch 2%, kaolin supplies 100%.
Embodiment 5：20% toxic fluoride phosphate Portugal polyene syrup dispersible granule (1:1)
Toxic fluoride phosphate 10%, Portugal polyene sugar 10%, wetting agent Wetting Agent WL3%, sodium metnylene bis-naphthalene sulfonate
2%, starch 2%, sodium carbonate 8%, kaolin supplies 100%.
4th, suspension seed-coating agent
Preparation method：By formula rate by toxic fluoride phosphate, Portugal's polyene glycogen medicine, emulsifying agent is well mixed, and adds suitable quantity of water,
With sand mill wet-milling to certain particle size range, material is pumped into cutting kettle, adds film forming agent, thickener, defoamer, antifreeze
Agent, warning coloration and remaining water carry out high speed shear to the index such as viscosity, particle diameter of material and meet control requiring that discharging is obtained final product
Agricultural chemicals containing toxic fluoride phosphate and Portugal's polyene sugar bactericidal composition.
The toxic fluoride phosphate Portugal polyene sugar suspension seed-coating agent (1 of embodiment 6 6%:5)
Toxic fluoride phosphate 1%, Portugal polyene sugar 5%, agriculture breast 600#4%, APES phosphate 3%, ethylene glycol
2%, aluminium-magnesium silicate 2.5%, organosilicon 0.03%, bright red 0.2%, water supplies 100%.
5th, the preparation of granule
By formula rate, by toxic fluoride phosphate and Portugal's polyene be sugared, each auxiliary agent premixing is uniform, then crushed by pulverizer, powder
Broken completion is granulated, and obtains final product the agricultural chemicals containing toxic fluoride phosphate and Portugal's polyene sugar bactericidal composition.
The toxic fluoride phosphate Portugal polyene sugar granule (4 of embodiment 7 0.5%:1)
Toxic fluoride phosphate 0.4%, Portugal polyene sugar 0.1%, sodium carboxymethylcellulose 5%, lauryl sodium sulfate 1%, di(2-ethylhexyl)phosphate
Hydrogen ammonium 5%, urea 10%, kaolin supplies 100%.
Toxicity Determination：
Following indoor biometricses experiment 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
Percentage+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 surveys toxicity index (ATI) ÷ mixtures theoretical toxicity index (TTI)] × 100
Evaluation criterion is：Co-toxicity coefficient >=120 show as synergistic effect；Co-toxicity coefficient≤80 show as antagonism；80<
Co-toxicity coefficient<120 show as summation action.
Toxicity Determination embodiment one
Test method：Indoor pot tobacco susceptible variety plant is mixed to the 4-5 leaf phases with the liquid of different ratio various concentrations
Isometric 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
Inhibiting rate 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 Portugal's polyene sugar (40:1)~(1:20) compounded in the range of, preventing and treating
The co-toxicity coefficient of tomato virus disease reaches more than 120, shows that both are compounded with obvious synergistic effect.
Toxicity Determination embodiment two
Test method：Plant hopper is fed with diseased plant, makes plant hopper band poison, after testing the malicious rate about 35% of band.Potted plant healthy rice strain, uses
In connecing worm.
When rice shoot 1 heart~2 1 heart of leaf to 1 leaf long, inoculated identification is carried out.Per alms bowl cover with translucent cover, the sealing of top gauze,
The worm amount that needs is calculated by 5 small brown rice planthoppers of every seedling, 2~3 age small brown rice planthoppers (the malicious rate about 35% of band) are accessed.Daily expelling parasite 2 times, makes tested rice
Seedling is uniformly by poison.After 48h, the medicament that will prepare various concentrations is uniformly sprayed on for examination seedling, often processes 4 repetitions, everywhere
The seedling of reason grows morbidity under the conditions of natural lighting.Experiment sets the treatment without medicament as blank.Deng blank hair
During disease 50% or so, classification investigation incidence calculates inhibiting rate, uses EC50Value is pressed the abundant methods of Sun Yun and calculates co-toxicity coefficient, determines knot
Fruit is shown in Table 2：
Table 2 prevents and treats the joint toxicity measuring result of black streaked dwarf virus of rice
From the measurement result of table 2, toxic fluoride phosphate is with Portugal's polyene sugar (40:1)~(1:20) compounded in the range of, preventing and treating
The co-toxicity coefficient of black streaked dwarf virus of rice reaches more than 120, shows that both are compounded with obvious synergistic effect.
Crop field test examples
In order to clear and definite toxic fluoride phosphate and Portugal's polyene sugar it is alone with it is mixed when prevent and treat the prevention effect of crop disease, the present patent application
Different regions have carried out substantial amounts of field test to people at home.
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 percentage (%)；
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 2：0.5% Portugal's polyene solvable pulvis of sugar, registration card PD20096817, Shandong Kai Linong biotechnologies have
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 generation or early period of origination spray dispenser for the first time, second spray is applied after 5d
Medicine.Twice, each treatment plot area is 20m for dispenser altogether2, number of repetition 4 times.
Investigation method：7d, 14d investigation before dispenser and after last dispenser, random 5 points of samplings per cell, every takes 6
Strain, investigation total strain number, diseased plant number at different levels.Result of the test is shown in Table 3.
Table 3 prevents and treats the field test results of tomato virus disease
Knowable to result of the test table 3, in disease early period of origination, in the case where active ingredient dosage is fewer than single dose, this
The preventive effect of 7d and 14d is substantially better than single dose after second medicine of pesticide control tomato virus disease of invention.Wherein, 7d after second medicine
Preventive effect respectively than toxic fluoride phosphate, preventive effect 24.49%-29.27%, the 20.76%-25.54% high of Portugal's polyene sugar single dose, second
The preventive effect of 14d remains to reach more than 89% after medicine, and the lasting period is long.
Field control effectiveness test two：
Test method and computational methods：Reference《Part (the NY/T 1464.8- of pesticide field efficacy medicine test criterion the 8th
2007)：Bactericidal agent for preventing and treating tomato virus disease》, first time spray pesticide is carried out when beginning and seeing diseased plant, second dispenser in 7 days is spaced,
In 7 days after second medicine, carry out within 14 days classification investigation respectively, calculate disease index and preventive effect, the results are shown in Table 4：
Table 4 prevents and treats the field control effectiveness test result of black streaked dwarf virus of rice
As shown in Table 4, in the case where active ingredient dosage is less than comparison medicament, pesticide control paddy rice of the invention is black
The preventive effect of bar dwarf wilt is respectively than toxic fluoride phosphate single dose, the preventive effect 24.48%-32.62% high, 22.26%- of Portugal's polyene sugar single dose
30.07%, synergy 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 contains toxic fluoride phosphate and Portugal's polyene sugar；Wherein toxic fluoride phosphate
It is 40 with the weight ratio of Portugal's polyene sugar:1~1:20.
2. bactericidal composition according to claim 1, it is characterised in that the weight ratio of the toxic fluoride phosphate and Portugal's polyene sugar is
30:1~1:10。
3. bactericidal composition according to claim 1, it is characterised in that the weight ratio of the toxic fluoride phosphate and Portugal's polyene sugar is
10:1~1:5。
4. a kind of agricultural chemicals containing any bactericidal compositions of claim 1-3, it is characterised in that the bactericidal composition is accounted for
The 0.1%-41% of the agricultural chemicals gross weight.
5. agricultural chemicals according to claim 4, it is characterised in that the bactericidal composition accounts for the 5%- of the agricultural chemicals gross weight
20%。
6. agricultural chemicals according to claim 4, it is characterised in that the agricultural chemicals also includes other auxiliary elements.
7. agricultural chemicals according to claim 4, it is characterised in that the agricultural chemicals is prepared into following formulation：Wettable powder, water
Dispersible granule, suspending agent, suspension seed-coating agent, granule.
8. the bactericidal composition containing toxic fluoride phosphate and Portugal's polyene sugar as claimed in claim 1 in terms of virosis is prevented and treated should
With.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269361A (en) * | 2000-04-28 | 2000-10-11 | 吴忠 | Glucosan compound and its synthesis and use thereof |
| CN1687088A (en) * | 2005-04-04 | 2005-10-26 | 贵州大学 | N-substituted benzothiazolyl-1-substituted phenyl-0,0-dialkyl-alpha-amino phosphonate ester derivatives preparation and application |
| CN102349538A (en) * | 2011-11-04 | 2012-02-15 | 广西田园生化股份有限公司 | Anti-plant virus pesticide composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269361A (en) * | 2000-04-28 | 2000-10-11 | 吴忠 | Glucosan compound and its synthesis and use thereof |
| CN1687088A (en) * | 2005-04-04 | 2005-10-26 | 贵州大学 | N-substituted benzothiazolyl-1-substituted phenyl-0,0-dialkyl-alpha-amino phosphonate ester derivatives preparation and application |
| CN102349538A (en) * | 2011-11-04 | 2012-02-15 | 广西田园生化股份有限公司 | Anti-plant virus pesticide composition |
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