CN103404534B - Pesticide composition containing tebuconazole and nikkomycins - Google Patents
Pesticide composition containing tebuconazole and nikkomycins Download PDFInfo
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- CN103404534B CN103404534B CN201310358167.0A CN201310358167A CN103404534B CN 103404534 B CN103404534 B CN 103404534B CN 201310358167 A CN201310358167 A CN 201310358167A CN 103404534 B CN103404534 B CN 103404534B
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Abstract
The invention provides a pesticide composition containing tebuconazole and nikkomycins. The weight ratio of tebuconazole to nikkomycins is (50:1)-(1:50), the weight sum of the tebuconazole and the nikkomycins accounts for 1-70% of the total weight of the pesticide composition, and the rest of components are acceptable auxiliary ingredients in pesticides. According to the invention, through repeatedly performing a formula screening test, an optimum formula is obtained, and an obvious synergistic effect is shown. After medicaments are compounded, the application amount of medicaments is reduced, the cost is lowered, and the pollution to the environment is reduced. Because the action mechanisms of effective components in the pesticide composition are different, the composition can delay the drug resistance of pathogens, thereby facilitating comprehensive treatment.
Description
Technical field
The invention belongs to pesticide field, be specifically related to a kind of composition pesticide containing Tebuconazole and Nikemycin.
Background technology
Tebuconazole is wide spectrum triazole bactericidal agent, is sterol demethylation inhibitor, has good biologically active, and interior absorption is stronger.Applied widely, can prevent and treat the multiple diseases in various crops, as alternaria leaf spot of apple, brown spot, powdery mildew, yellow rust, banded sclerotial blight etc.It is the agricultural chemicals that China has effectively promoted.
Nikemycin is peptidyl nucleosides antibiotic.To the mechanism of action uniqueness of fungi, chitinous synthetic by the proprietary chitin synthetase of Antifungi, blocking-up fungal cell wall necessary key element, cause fungal cell's expansion and break.This medicine has concurrently and kills mite and Fungicidally active, belongs to efficient, low toxicity, less-persistent pesticide, to plant without poisoning, to natural enemies security.Main control apple, oranges and tangerines, vegetables, eggplant and cucumber T.urticae Koch, watermelon blight and anthracnose, leek gray mold, apple marssonina leaf spot, Chinese cabbage black spot, cucumber anthracnose, cotton seedling blight etc.
Although the composition pesticide relevant to Tebuconazole has been reported, as the Recompounded pesticide of Chinese patent application 201110039677.2 Tebuconazoles and Ningnanmycin, but still exist control efficiency not good, the shortcoming that drug cost is high.
Summary of the invention
In view of this, in order to overcome the deficiencies in the prior art, the invention provides a kind of combination rationally, control efficiency is good, the synergetic pesticide composition that drug cost is low.
Another object of the present invention is to provide the wetting powder formulated by this composition pesticide, suspending agent, aqueous emulsion, microemulsion and water dispersible granules.
The 3rd object of the present invention is to provide this composition pesticide prevents and treats the purposes of apple marssonina leaf spot.
A kind of composition pesticide containing Tebuconazole and Nikemycin provided by the invention, the percentage by weight of described Tebuconazole and Nikemycin is 50:1-1:50, the percentage that the weight sum of described Tebuconazole and Nikemycin accounts for composition pesticide gross weight is 1%-70%, and all the other components are acceptable auxiliary element in agricultural chemicals.
Further, the percentage by weight of described Tebuconazole and Nikemycin is 10:1～1:10.
Further, to account for the percentage of composition pesticide gross weight be 10% one 60% to the weight sum of described composition pesticide Tebuconazole and Nikemycin.
The present invention also provides the described wetting powder composition containing Tebuconazole and Nikemycin agricultural chemicals, comprises: Tebuconazole 1～50%, Nikemycin 1～50%, dispersant 4～10%, wetting agent 2～10% and filler 12～89% according to weight percent meter.
The present invention also provides the described water dispersible granules composition containing Tebuconazole and Nikemycin agricultural chemicals, comprises: Tebuconazole 1～50%, Nikemycin 1～50% according to weight percent meter, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8% and filler 15～89%.
The present invention also provides the described suspension agent composition containing Tebuconazole and Nikemycin agricultural chemicals, comprise according to weight hundred amount proportion by subtraction meters: Tebuconazole 1～50%, Nikemycin 1～50%, wetting agent 3～10%, dispersant 2～10%, thickener 0.1～3%, antifreeze 0.1～6%, defoamer 0.1～3%, adds water to 100%.
The present invention also provides the described water emulsion composition containing Tebuconazole and Nikemycin agricultural chemicals, comprises according to weight percent meter: Tebuconazole 1～50%, and Nikemycin 1～50%, solvent 5～30%, emulsifier 3～10%, adds water to 100%.
The present invention also provides the described micro-emulsion composition containing Tebuconazole and Nikemycin agricultural chemicals, comprises according to weight percent meter: Tebuconazole 1～50%, and Nikemycin 1～50%, solvent 5～30%, emulsifier 3～20%, adds water to 100%.
The present invention also provides the purposes of above-mentioned composition for apple marssonina leaf spot control.
Composition pesticide of the present invention can be according to the known method preparation of those skilled in the art of the present technique wetting powder, suspending agent, aqueous emulsion, microemulsion or water dispersible granules.
Composition pesticide used carrier of the present invention (filler), solvent and auxiliary agent are known in those skilled in the art.
Carrier (filler): kaolin, white carbon, potter's clay, atlapulgite, bentonite, diatomite, attapulgite, mud coal, precipitated calcium carbonate, pyrophillite, clay, montmorillonite, talcum powder, perlite, calcite, deionized water, water, castor-oil plant wet goods.
Solvent: arene, aliphatic hydrocarbon, alcohols, ester class, ethers, amide-type, ketone etc., such as methyl alcohol, ethanol, toluene, benzinum, dimethylbenzene, cyclohexanone etc.
Dispersant: naphthalenesulfonic acid-formaldehyde condensate (NNO), sodium lignin sulfonate, ethoxylated dodecyl alcohol, dioctyl sulfo group amber glass acid sodium, JFC, lignosulfite, calcium lignosulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, alkylphenol-polyethenoxy base phosphate etc.
Wetting agent: the sticky powder of sodium alkyl benzene sulfonate, fatty alcohol, tea, sodium alkyl sulfonate, sodium alkyl sulfate, spaonin powder, SOPA(230,270,235), washing powder, alkylphenol polyoxyethylene, pull open powder, No. 2000 series of agriculture breast, wetting and penetrating agent F etc.
Emulsifier: alkylbenzenesulfonate series, diphenyl phenolic group polyoxyethylene poly-oxygen propylene aether, polyoxyethylene groups talan methyl phenylate, alkylphenol polyoxyethylene, castor oil polyoxyethylene ether, fatty acid polyglycol oxy alkylene ester, aliphatic alcohol polyethenoxy base ether, calcium dodecyl benzene sulfonate (agriculture breast 500#), styrylphenol polyoxyethylene ether (agriculture breast 600#), polyoxyethylene groups styrene phenolic group ether, alkyl phenol formaldehyde resin polyoxyethylene ether (emulsification 700#), diphenyl phenolic group APEO formaldehyde condensation products, castor oil ethylene oxide adduct and derivative thereof etc.
Binding agent: soybean lecithin, gelatin, polyvinyl alcohol, polyethylene glycol, cyclodextrin, rosin, starch, carboxymethyl cellulose etc.
Disintegrant: sodium bicarbonate, ammonium sulfate, urea, magnesium chloride, sodium chloride etc.
Thickener: gum Arabic, xanthans etc.
Antifreeze: glycerine, propane diols, ethylene glycol, sodium chloride, urea, glycerine, sorbierite etc.
Defoamer: organosilicon, polyoxyethylene polyoxypropylene glycerin ether etc.
Composition pesticide of the present invention is made wetting powder and is comprised following constituent content: Tebuconazole 1～50%, Nikemycin 1～50%, dispersant 4～10%, wetting agent 2～10%, filler 12～89%.Its compound method is: Original Tebuconazole, the former medicine of Nikemycin, dispersant, wetting agent, filler are entered in blender and mixed, then after mixing, make the wetting powder product of the present composition after airslide disintegrating mill is pulverized.
Composition pesticide of the present invention is made water dispersible granules and is comprised following constituent content: Tebuconazole 1～50%, Nikemycin 1～50%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8%, filler 15～89%.Its compound method is: Original Tebuconazole, the former medicine of Nikemycin, dispersant, wetting agent, disintegrant, binding agent, filler etc. are mixed in the ratio of formula, become wetting powder through air-flow crushing, add again binding agent and a certain amount of water to mix extruding and make material, be then dried, sieve the water dispersible granules product that makes the present composition.
Composition pesticide of the present invention is made suspending agent and is comprised following constituent content: Tebuconazole 1～50%, and Nikemycin 1～50%, wetting agent 3～10%, dispersant 2～10%, thickener 0.1～3%, antifreeze 0.1～6%, defoamer 0.1-3%, adds water to 100%.Its compound method is: Tebuconazole, Nikemycin, wetting agent, dispersant, thickener, antifreeze, defoamer are mixed by formula rate, add sand mill medium sand abrasive dust broken, then drop into the suspending agent product that makes the present composition after mixing in homogeneous still.
Composition pesticide of the present invention is made aqueous emulsion and is comprised following constituent content: Tebuconazole 1～50%, and Nikemycin 1～50%, solvent 5～30%, emulsifier 3～10%, adds water to 100%.Its compound method is: Tebuconazole, solvent, emulsifier are added together, make to be dissolved into even oil phase; Nikemycin and water mixing are made to water; Under high-speed stirred, oil phase is mixed with water, make the aqueous emulsion product of the present composition.
Composition pesticide of the present invention is made microemulsion and is comprised following constituent content: Tebuconazole 1～50%, and Nikemycin 1～50%, solvent 5～30%, emulsifier 3～20%, adds water to 100%.Its compound method is: Tebuconazole, solvent, emulsifier are added together, make to be dissolved into even oil phase; Nikemycin and water mixing are made to water; Under agitation, oil phase is mixed with water, make the microemulsion product of the present composition.
Bactericidal composition of the present invention can be applied in the plant disease of preventing and treating in agricultural, especially prevents and treats apple tree brown spot.
Composition of the present invention adopts the method for spraying to use conventionally, also can take other operation techniques according to agriculture needs of production.
Compared with prior art, beneficial effect of the present invention is:
1. by formulation screening test repeatedly, draw optimization formula, shown obvious synergistic effect.
2. after composite reagent, reduce dosage, thereby reduce costs, alleviate the pollution to environment.
3. the active ingredient mechanism of action difference in composition pesticide of the present invention, the application of composition can delay the drug-fast generation of pathogen, is conducive to the comprehensive regulation.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but the present invention is never limited to following embodiment.
Example of formulations 1:51% Tebuconazole Nikemycin microemulsion
Component title percentage by weight
Tebuconazole 50%
Nikemycin 1%
Isopropyl alcohol (solvent) 14%
N monomethyl adjoins pyrrolidone (solvent) 8%
Agriculture breast 600# (emulsifier) 8%
Nongru-700 # (emulsifier) 8%
Water complements to 100%
Original Tebuconazole, solvent, emulsifier are added together, make to be dissolved into even oil phase; Nikemycin and water mixing are made to water; Under agitation, by mixed with water oil phase even, make 51% Tebuconazole Nikemycin microemulsion.
Example of formulations 2:55% Tebuconazole Nikemycin wetting powder
Component title percentage by weight
Tebuconazole 50%
Nikemycin 5%
Lauryl sodium sulfate (wetting agent) 3%
Sodium lignin sulfonate (dispersant) 5%
White Carbon black (filler) 10%
Kaolin (filler) complements to 100%
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of formula, after ultra-fine pulverizer disintegrating, obtain 55% Tebuconazole Nikemycin wetting powder.
Example of formulations 3:12% Tebuconazole Nikemycin suspending agent
Component title percentage by weight
Tebuconazole 8%
Nikemycin 4%
Naphthalenesulfonic acid-formaldehyde condensate (dispersant) 8%
Dodecyl sodium sulfate (wetting agent) 3%
Xanthans (thickener) 2%
Glycerine (antifreeze) 5%
Polyoxyethylene polyoxypropylene glycerin ether (defoamer) 2%
Water complements to 100%
Each components such as active component, dispersant, wetting agent, thickener, antifreeze, defoamer and water are mixed in the ratio of formula, add sand mill medium sand abrasive dust broken, then drop into after mixing in homogeneous still and obtain 12% Tebuconazole Nikemycin suspending agent.
Example of formulations 4:24% Tebuconazole Nikemycin aqueous emulsion
Component title percentage by weight
Tebuconazole 8%
Nikemycin 16%
N monomethyl adjoins pyrrolidone (solvent) 10%
Agriculture breast 500# (emulsifier) 5%
Agriculture breast 600# (emulsifier) 5%
Water complements to 100%
Original Tebuconazole, solvent, emulsifier are added together, make to be dissolved into even oil phase; Nikemycin and water mixing are made to water; Under high-speed stirred, oil phase is mixed with water, make 24% Tebuconazole Nikemycin aqueous emulsion.
Example of formulations 5:22% Tebuconazole Nikemycin suspending agent
Component title percentage by weight
Tebuconazole 2%
Nikemycin 20%
Alkylphenol polyoxyethylene (wetting agent) 8%
Gum Arabic (thickener) 2%
Naphthalenesulfonic acid-formaldehyde condensate (dispersant) 3%
Ethylene glycol (antifreeze) 5%
Polyoxyethylene polyoxypropylene glycerin ether (defoamer) 2%
Water complements to 100%
Each components such as active component, dispersant, wetting agent, thickener, antifreeze, defoamer and water are mixed in the ratio of formula, add sand mill medium sand abrasive dust broken, then drop into after mixing in homogeneous still and obtain 22% Tebuconazole Nikemycin suspending agent.
Example of formulations 6:51% Tebuconazole Nikemycin water dispersible granules
Component title percentage by weight
Tebuconazole 1%
Nikemycin 50%
Dodecyl tea sodium sulfonate (wetting agent) 5%
Sodium lignin sulfonate (dispersant) 6%
Sulfuric acid is by (disintegrant) 5%
Gelatin (binding agent) 5%
Bentonite (filler) complements to 100%
Active component, dispersant, wetting agent, disintegrant, binding agent and filler are mixed in the ratio of formula, become wetting powder through air-flow crushing, add again a certain amount of water to mix extruding and make material, after drying screening, obtain 51% Tebuconazole Nikemycin water dispersible granules.
the raw embodiment 1 that surveys: the Toxicity Determination of Tebuconazole Nikemycin to apple tree brown spot
Subjects: apple tree brown spot
Test method: adopt liquid training method.Do not add the YDA of agar at 50mLYD() sneak into respectively the medicament of 5 variable concentrations gradients in culture fluid, taking the YD of adding medicine not as contrast, respectively add 1ml apple tree brown patch germ suspension, 3 repetitions of every processing, 22 DEG C of vibration shaken cultivation (100r.min
-1) after 14d with Filter paper filtering, dry for 80 DEG C and weigh mycelia dry weights, calculate inhibiting rate.
Inhibiting rate is converted into probability value (y), and liquor strength (ug/ml) converts logarithm value (x) to, calculates concentration EC50 in virulence equation and inhibition with method of least squares.Calculate toxicity index and the co-toxicity coefficient (CTC) of medicament according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard medicament EC50/ reagent agent EC50) × 100
The percentage composition of B in percentage composition+B medicament toxicity index x mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture
Co-toxicity coefficient (CTC)=[theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI) × 100
When CTC≤80, composition performance, for Hangzhoupro short of money effect, is worked as 80<CTC<120, and composition performance is for summation action, and when CTC >=120, composition performance is synergistic effect.
Toxicity Determination the results are shown in following table 1.
The demonstration of Toxicity Determination result, the proportioning of Tebuconazole and Nikemycin, between 50:1～1:50, has synergistic effect to apple tree brown spot, and especially, between 10:1～1:10, co-toxicity coefficient is more than 145, and synergistic effect is more obvious.
The present composition and single dose are analyzed the field control effectiveness test of apple marssonina leaf spot respectively.
the raw embodiment 2 that surveys: the composite field efficacy to apple tree brown spot of Tebuconazole and Nikemycin
Above-mentioned example of formulations is applied to control apple tree brown spot, and different preparation compositions thin ups are sprayed to the control efficiency of apple tree brown spot in table 2.
Can be found out by table 2 result of the test, after dispenser 40 days, the composite composition of Tebuconazole and Nikemycin all more than 83%, was significantly higher than single dose contrast medicament to the preventive effect of apple tree brown spot.Test each processing and all do not occur the bad reaction problems such as poisoning.Illustrate that thus Tebuconazole and Nikemycin compounded combination are used actual control efficiency to be significantly better than single dose, this result conforms to indoor biometrics embodiment experimental result, and the two composite having significant synergies is described.The Tebuconazole composition composite with Nikemycin is all significantly higher than and contrasts medicament 30% Tebuconazole Ningnanmycin suspending agent the preventive effect of apple tree brown spot, illustrates that composition pesticide of the present invention is better than similar composition pesticide 30% Tebuconazole Ningnanmycin suspending agent to the preventive effect of apple tree brown spot.
dosage and drug cost embodiment
As can be seen from Table 3, the composite use of Tebuconazole and Nikemycin can reduce dosage, thereby reduces costs, and alleviates the pollution to environment.Tebuconazole composition every mu drug cost composite with Nikemycin obviously reduces than similar composition pesticide 30% Tebuconazole Ningnanmycin suspending agent.
Although pass through with reference to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art should be appreciated that and can make various changes to it in the form and details, and do not depart from the spirit and scope of the present invention that appended claims limits.
Claims (8)
1. the composition pesticide containing Tebuconazole and Nikemycin, it is characterized in that, the percentage by weight of described Tebuconazole and Nikemycin is 10:1～1:10, the percentage that the weight sum of described Tebuconazole and Nikemycin accounts for composition pesticide gross weight is 1%-70%, and all the other components are acceptable auxiliary element in agricultural chemicals.
2. according to the composition pesticide containing Tebuconazole and Nikemycin claimed in claim 1, it is characterized in that, the percentage that the weight sum of described composition pesticide Tebuconazole and Nikemycin accounts for composition pesticide gross weight is 10%-60%.
3. according to the wetting powder composition that contains the composition pesticide of Tebuconazole and Nikemycin described in claim 1, it is characterized in that, comprise according to weight percent meter: Tebuconazole 1～50%, Nikemycin 1～50%, dispersant 4～10%, wetting agent 2～10% and filler 12～89%.
4. according to the water dispersible granules composition containing Tebuconazole and Nikemycin composition pesticide described in claim 1, it is characterized in that, comprise according to weight percent meter: Tebuconazole 1～50%, Nikemycin 1～50%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 1～8% and filler 15～89%.
5. according to the suspension agent composition containing Tebuconazole and Nikemycin composition pesticide described in claim 1, it is characterized in that, comprise according to weight percent meter: Tebuconazole 1～50%, Nikemycin 1～50%, wetting agent 3～10%, dispersant 2～10%, thickener 0.1～3%, antifreeze 0.1～6%, defoamer 0.1～3%, adds water to 100%.
6. according to the water emulsion composition that contains Tebuconazole and Nikemycin composition pesticide described in claim 1, it is characterized in that, comprise according to weight percent meter: Tebuconazole 1～50%, Nikemycin 1～50%, solvent 5～30%, emulsifier 3～10%, adds water to 100%.
7. according to the micro-emulsion composition that contains Tebuconazole and Nikemycin composition pesticide described in claim 1, it is characterized in that, comprise according to weight percent meter: Tebuconazole 1～50%, Nikemycin 1～50%, solvent 5～30%, emulsifier 3～20%, adds water to 100%.
8. the purposes for apple marssonina leaf spot control according to composition described in claim 1-7 any one.
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| CN106259462B (en) * | 2015-05-11 | 2019-06-07 | 牡丹江佰佳信生物科技有限公司 | A kind of bactericidal composition and its application |
| CN104886155B (en) * | 2015-05-27 | 2017-11-07 | 邓全芳 | The bactericidal composition and its preparation of a kind of pyrimethanil-contain bactericide and Nikemycin |
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| GB0418047D0 (en) * | 2004-08-12 | 2004-09-15 | Syngenta Participations Ag | Fungicidal compositions |
| CN101194620B (en) * | 2007-12-21 | 2010-11-24 | 张少武 | Bactericide agent composition containing tebuconazole |
| GB0800761D0 (en) * | 2008-01-16 | 2008-02-27 | Syngenta Participations Ag | Fungicidal compositions |
| CN101554168A (en) * | 2009-04-08 | 2009-10-14 | 湖南万家丰科技有限公司 | Sterilization composition containing Tebuconazole and Validamycin |
| CN101707999A (en) * | 2009-11-23 | 2010-05-19 | 吴明龙 | Pesticide composition containing tebuconazole and validamycin A |
| CN101911939A (en) * | 2010-08-05 | 2010-12-15 | 甘波 | Sterilizing composition containing validamycin and tebuconazole |
| CN102067843B (en) * | 2011-02-17 | 2013-04-10 | 德强生物股份有限公司 | Compound pesticide of tebuconazole and ningnan mycin |
| CN103155926B (en) * | 2011-12-18 | 2014-04-23 | 深圳诺普信农化股份有限公司 | Sterilization composite based on phenazino-1-carboxylicacid |
| CN102626087B (en) * | 2012-03-12 | 2014-03-12 | 浙江省桐庐汇丰生物化工有限公司 | Kasugamycin and tebuconazole compounded bactericide |
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