CN101647464B - Hexythiazox miticide composition and application thereof - Google Patents
Hexythiazox miticide composition and application thereof Download PDFInfo
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Abstract
The invention relates to a hexythiazox miticide composition and the application thereof. The miticide composition takes hexythiazox and organotin miticide as main ingredients, comprises auxiliary agent and excipient, and is prepared into microemulsion, wettable powders, suspending agents, emulsion in water, water dispersible granules and missible oils, wherein the mass proportion between the hexythiazox and the organotin miticide is 50:1-1:100. The miticide composition has favorable synergic effect, can prevent and overcome pest from generating drug resistance and prolong the service life of pesticide varieties. The composition can prevent and treat panonychus citri mcgregor, tetranychus urticae, tetranychus cinnabarinus, tetranychus truncatus, tetranychus turkestani, apple leaf mites, hawthorn spider mite, clover mite, rice yellow spider mites, brown wheat mites, Dunhuang leaf mites, yellow tea mites, rust mites, pink tea rust mites and brievipalpus obovatus donnadieu, and the effect of the composition is remarkably higher than that of two drugs which are used independently.
Description
Technical field
The present invention relates to a kind of composition pesticide and uses thereof, be specifically related to a kind of miticide composition and application thereof that contains Hexythiazox.
Background technology
At present, global development miticide kind is a lot, uses very generally, but because method for using is improper, and the medication number of times is frequent, adds that harmful mite generation time is short, and fertility is strong, so the generation of pesticide resistance and cross resistance is very rapid.Be the serious day by day various harmful mite of control, novel miticide is all constantly developed in countries in the world.The exploitation Compositional acaricide is to prevent and treat one of the mite class on the agricultural, Critical policies of promotion agricultural sustainable development with rationally using miticide.
Hexythiazox (Hexythiazox), chemical name are anti--5-(4-chlorphenyl)-N-cyclohexyl-4-methyl-2-oxo thiazolidone-3-carboxylic acid amides, different name: hexythiazox, remove the mite prestige, close many, the thiazole etc. of match.Hexythiazox is a kind of novel thiazole alkane ketone low toxicity miticide, has strong action of contace poison.To young mite, if mite, mite ovum have special efficacy, but to becoming the mite weak effect; Good to the tetranychid control efficiency, to rust mite, goitre acarid control weak effect.
The organic tin miticide is the broad spectrum activity miticide, and tagging property is strong, knocks down soon, can prevent and treat various one-tenth mites, as if mite and summer egg.Because unique mite mechanism of killing, the mite class is difficult for developing immunity to drugs to the organic tin miticide, can prevent and treat the mite class to organic phosphor and organochlorine acaricide generation resistance.
There is the miticide of the different effects mechanism of synergistic effect to use by turns or mixes to use and effectively to slow down harmful mite pesticide resistance; Therefore; Development is efficient, the complex preparation of low toxicity, low-residual, different effects mechanism; Help to prevent and overcome harmful mite to develop immunity to drugs, help to prolong the service life of pesticide species, help environmental protection.
Summary of the invention
The object of the present invention is to provide a kind of is the synergistic composition and the application thereof of active ingredient with existing miticide.
The present invention relates to a kind of is the miticide composition and the application thereof of main active with Hexythiazox and organic tin miticide; It is characterized in that effective ingredient is made up of Hexythiazox and organic tin miticide; Its ratio of quality and the number of copies is 50: 1～1: 100; Be preferably 1: 1～1: 50, more preferably 1: 9～1: 19.Said organic tin miticide is one or more in azacyclotin, fenbutatin oxide, plictran, three phosphor tins, the triphenyl tin hydroxide.Described active ingredient is present in the composition with the synergy effective dose, and the better mass fraction of effective ingredient Hexythiazox is 0.1%～10%, the acaricidal better mass fraction of organic tin is 0.5%～50%, and all the other are insecticides adjuvant and excipient (or filler).
The present invention is the mite synergistic composition extremely of main active with Hexythiazox and organic tin miticide; The various harmful mite on the crops such as fruit tree, cotton, vegetables, paddy rice, wheat, tea tree, tobacco be can be used for preventing and treating, control citrus red mite, Tetranychus urticae, Tetranychus cinnabarinus, truncate leaf mite, Turkestan tetranychid, apple tetranychus, hawthron spider mite, Bryobia praetiosa, rice Schizotetranychus, petrobia latens, Dunhuang tetranychid, yellow tea mite, rust mite, pink tea rust mite, privet mite especially are fit to.
The present invention is main with active ingredient Hexythiazox and organic tin miticide, is mixed with microemulsion (ME), wetting powder (WP), suspending agent (SC), aqueous emulsion (EW), water dispersible granules (WG) or missible oil (EC) with insecticides adjuvant, excipient (or filler).Described auxiliary agent confirms that through limited test the present invention furthers investigate the auxiliary agent of microemulsion and wetting powder, is specially by common formulation processing method according to formulation:
(1) when the preparation microemulsion, its auxiliary agent is: by quality of the pharmaceutical preparations emulsifier 5%～12%, solvent 3%～30%, stabilizing agent 0%～10%, antifreezing agent 0.1%～2%.Said emulsifier is one or more the mixture in NaLS, calcium dodecyl benzene sulfonate (agricultural newborn 500#), neopelex, lignosulfonates, Nongru-700 # (alkyl phenol formaldehyde resin polyoxyethylene ether), agricultural newborn 400#, agricultural newborn 2201#, TX-10 (Nonyl pheno (10) ether), triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer, phenethyl phenol polyethenoxy ethers (like the newborn 600# series of farming etc.), dibenzyl xenol polyethenoxy ether class (like the newborn 300# of farming), castor oil polyoxyethylene ether (like By emulsifier, peaceful breast 130 etc.), EO-PO block copolymer, sorbitan fatty acid ester APEO (like tween series), sorbitan fatty acid ester (like Span series), Polypropylene Glycol Glycerin Ether, the glycerin polyoxyethylene ether polyoxypropylene ether fatty acid ester; Use when multiple, total usage amount can not be greater than the maximum of deal; Said solvent is one or more the mixture in xylol, toluene, methyl alcohol, ethanol, n-butanol, ethylene glycol, acetone, cyclohexanone, pyrrolidones, diesel oil, solvent naphtha (S-150, S-180, S-200), dimethyl formamide, dimethyl sulfoxide (DMSO), cyclohexane, the ethyl acetate; Use when multiple, total usage amount can not be greater than the maximum of deal; Said stabilizing agent is one or more the mixture in methyl alcohol, benzinum, urea, wettable starch, triphenyl phosphite, epoxychloropropane, aceticanhydride, the tolyl glycidic alcohol, uses when multiple, and total usage amount can not be greater than the maximum of deal; Said antifreezing agent is one or more the mixture in glycerine, propane diols, ethylene glycol, sodium chloride, sorbierite, the sorbic acid, uses when multiple, and total usage amount can not be greater than the maximum of deal.
(2) when the preparation wetting powder, its auxiliary agent is: by quality of the pharmaceutical preparations wetting agent 5-30%, dispersant 5-10%, filler (carrier) 15-75%.Said wetting agent is one or more the mixture in sodium alkyl benzene sulfonate, fatty acid sulphate, bay alcohol radical sulphate, APES, moistening penetrating agent JFC, the withered powder of tea, the spaonin powder etc.; Use when multiple, total usage amount can not be greater than the maximum of deal; Said dispersant is one or more the mixture in polyoxyethylene polyoxypropylene base ether block copolymers, lignosulfonates, nekal, APES phosphate, alkylnaphthalene sulfonate formaldehyde condensation products, polyethylene glycol (PEG), methylcellulose (CMC), polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), vinylpyrrolidone, the Sodium Polyacrylate etc.; Use when multiple, total usage amount can not be greater than the maximum of deal; Said filler (carrier) is one or more the mixture in kaolin, diatomite, potter's clay, montmorillonite, talcum powder, bentonite, white carbon, attapulgite, precipitated calcium carbonate, atlapulgite, pyrophyllite, the clay etc.; Use when multiple, total usage amount can not be greater than the maximum of deal.
After the invention has the advantages that Hexythiazox and organic tin miticide are mixed, can be in a drug the double harmful mite of controlling crop growth different developmental phases in the phase, as ovum, young mite, if mite with become mite all can prevent and treat, thereby improved control efficiency; Mixed Pharmacy has different effects mechanism, can delay the pest mite class and develop immunity to drugs, and prolongs the service life of pesticide species.
Embodiment
The inventor is through a large amount of lab screening tests, and discovery Hexythiazox and organic tin miticide are mixed citrus red mite, Tetranychus urticae are had synergistic function, and field test results shows that also the effect of mixture preparation is superior to the use of single agent.
In order better to understand essence of an invention, below in conjunction with instance technology contents of the present invention is done detailed explanation, but content of the present invention do not limit to so, can not therefore be interpreted as restriction to claim of the present invention.The used former medicine Hexythiazox of Hexythiazox content is 95% in the embodiment of the invention, the used former medicine azacyclotin of azacyclotin content is 95%, and the preparation processing method is known method.
Embodiment 1:
Preparation 100g 10% Hexythiazox azacyclotin (1% Hexythiazox+9% azacyclotin) microemulsion, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 9.48g of azacyclotin, agricultural newborn 500#10g, cyclohexane 15g, epoxychloropropane 5g, surplus deionized water.
The preparation process:
Former medicine, cyclohexane are added together, make and be dissolved into even oil phase; The newborn 500# of farming, epoxychloropropane and deionized water are dropped in the emulsification Scattered Kettle, under high-speed stirred, form water; Then oil phase is dropped in the emulsification Scattered Kettle, under 10000～15000 rev/mins rotating speed, stirred 0.5～1.5 hour, make homogeneous, transparent, stable 100g 10% Hexythiazox azacyclotin microemulsion through high speed shear.
The process of following examples 2～3 preparation microemulsions is similar.
Embodiment 2:
Preparation 100g 20% Hexythiazox azacyclotin (1% Hexythiazox+19% azacyclotin) microemulsion, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 20g of azacyclotin, agricultural newborn 2201#10g, cyclohexane 20g, triphenyl phosphite 6g, glycerine 0.3g, surplus deionized water.
Embodiment 3:
Preparation 100g 25% Hexythiazox azacyclotin (0.5% Hexythiazox+24.5% azacyclotin) microemulsion, the mass ratio of each component is respectively:
Take by weighing the former medicine 0.53g of Hexythiazox, the former medicine 25.79g of azacyclotin, agricultural newborn 600#10g, cyclohexane 30g, benzinum 6g, sorbierite 0.5g, surplus deionized water.
Embodiment 4:
Preparation 100g 10% Hexythiazox azacyclotin (1% Hexythiazox+9% azacyclotin) wetting powder, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 9.48g of azacyclotin, spaonin powder 10g, methylcellulose 8g, surplus diatomite.
The preparation process:
Former medicine, spaonin powder, methylcellulose, diatomite are added together, make to mix,, be crushed to and meet fineness requirement, make the 100g 10% Hexythiazox azacyclotin wetting powder of National standard then with in the mixture input air flow cracker.
The process of following examples 5～6 preparation wetting powders is similar.
Embodiment 5:
Preparation 100g 20% Hexythiazox azacyclotin (1% Hexythiazox+19% azacyclotin) wetting powder, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 20g of azacyclotin, bay alcohol radical sulphate 10g, polyvinyl alcohol 8g, surplus diatomite.
Embodiment 6:
Preparation 100g 50% Hexythiazox azacyclotin (1% Hexythiazox+49% azacyclotin) wetting powder, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 51.58g of azacyclotin, the withered powder 10g of tea, APES phosphate 8g, surplus diatomite.
Embodiment 7:
Preparation 100g 5% Hexythiazox azacyclotin (4.9% Hexythiazox+0.1% azacyclotin) suspending agent, the mass ratio of each component is respectively:
Take by weighing the former medicine 5.16g of Hexythiazox, the former medicine 0.11g of azacyclotin, draw back powder 5g, polyvinyl alcohol 4g, isoamyl alcohol 4g, castor oil 5g, benzoic acid 0.2g, polyethylene glycol 0.5g, surplus deionized water.
The preparation process:
The former medicine that will contain Hexythiazox and azacyclotin earlier mixes; Add in proportion again and draw back powder and fully stir; Adding each component such as polyvinyl alcohol, isoamyl alcohol, castor oil, benzoic acid, polyethylene glycol, deionized water successively in the ratio of filling a prescription then mixes; Stir while adding evenly, ball milling is 2.0～4.0 hours in ball mill, makes the particle diameter of Hexythiazox and azacyclotin all when 10 μ m are following, get suspending agent.
The process of following examples 8～11 preparation suspending agents is similar.
Embodiment 8:
Preparation 100g 10% Hexythiazox fenbutatin oxide (1% Hexythiazox+9% fenbutatin oxide) suspending agent, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 9.48g of fenbutatin oxide, aliphatic alcohol sulfate 15g, sodium alginate 6g, isooctanol 4g, Sodium Benzoate 0.3g, propane diols 0.4g, surplus deionized water.
Embodiment 9:
Preparation 100g 40% Hexythiazox fenbutatin oxide (2% Hexythiazox+38% fenbutatin oxide) suspending agent, the mass ratio of each component is respectively:
Take by weighing the former medicine 2.12g of Hexythiazox, the former medicine 40g of fenbutatin oxide, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate 15g, gelatin 6g, lauric acid 5g, rosemary oil 5g, formaldehyde 0.1g, propane diols 0.5g, surplus deionized water.
Embodiment 10:
Preparation 100g 50% Hexythiazox fenbutatin oxide (1% Hexythiazox+49% fenbutatin oxide) suspending agent, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 51.58g of fenbutatin oxide, alkylphosphonic 10g, methylcellulose 5g, stearic acid 4g, benzoic acid 0.3g, ethylene glycol 0.2g, surplus deionized water.
Embodiment 11:
Preparation 100g 5% Hexythiazox fenbutatin oxide (4.9% Hexythiazox+0.1% fenbutatin oxide) suspending agent, the mass ratio of each component is respectively:
Take by weighing the former medicine 5.16g of Hexythiazox, the former medicine 0.11g of fenbutatin oxide, draw back powder 10g, sodium alginate 5g, stearic acid 4g, benzoic acid 0.5g, ethylene glycol 0.2g, surplus deionized water.
Embodiment 12:
Preparation 100g 5% Hexythiazox azacyclotin (4.9% Hexythiazox+0.1% azacyclotin) aqueous emulsion, the mass ratio of each component is respectively:
Take by weighing the former medicine 5.16g of Hexythiazox, the former medicine 0.11g of azacyclotin, Nongru-700 #10g, ethanol 5g, acetone 5g, polyvinyl alcohol 2g, Sodium Benzoate 0.3g, ethylene glycol 0.3g, surplus deionized water.
The preparation process:
The above-mentioned Hexythiazox that takes by weighing, the former medicine of azacyclotin and Nongru-700 #, ethanol, acetone are mixed under mechanical agitation, form oil phase; Water and polyvinyl alcohol, Sodium Benzoate, ethylene glycol are dropped in the emulsification Scattered Kettle, and under 10000～15000 rev/mins rotating speed, stir; Then oil phase is dropped in the emulsification Scattered Kettle, stirred 0.5～2.0 hour, make it to become even emulsion, make 100g5% Hexythiazox azacyclotin aqueous emulsion.
The process of following examples 13～14 preparation aqueous emulsions is similar.
Embodiment 13:
Preparation 100g 10% Hexythiazox fenbutatin oxide (1% Hexythiazox+9% fenbutatin oxide) aqueous emulsion, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 9.48g of fenbutatin oxide, Nongru-700 #10g, ethanol 15g, acetone 2g, xanthans 1g, sorbic acid 0.4g, surplus deionized water.
Embodiment 14:
Preparation 100g 20% Hexythiazox fenbutatin oxide (1% Hexythiazox+19% fenbutatin oxide) aqueous emulsion, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 20g of fenbutatin oxide, agricultural newborn 2201#10g, ethanol 20g, acetone 2g, polyvinyl alcohol 1g, xanthans 1g, benzoic acid 0.3g, propane diols 0.5g, surplus deionized water.
Embodiment 15:
Preparation 100g 50% Hexythiazox fenbutatin oxide (1% Hexythiazox+49% fenbutatin oxide) water dispersible granules, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 51.58g of fenbutatin oxide, spaonin powder 10g, sodium lignin sulfonate 8g, gelatin 6g, bentonite 10g, surplus diatomite.
The preparation process:
Former medicine ground in water with spaonin powder, lignosulfonates, bentonite, diatomite etc. obtain the particle diameter that needs, add gelatin again, adjust its concentration and viscosity, the slurry of the usefulness that obtains spraying.Slurry quantitatively sent to carry out atomized drying in the drying tower, make water dispersible granules.
The process that following examples prepare water dispersible granules is similar.
Embodiment 16:
Preparation 100g 10% Hexythiazox fenbutatin oxide (9.8% Hexythiazox+0.2% fenbutatin oxide) water dispersible granules, the mass ratio of each component is respectively:
Take by weighing the former medicine 10.32g of Hexythiazox, the former medicine 0.22g of fenbutatin oxide, spaonin powder 10g, calcium lignosulfonate 8g, gelatin 6g, bentonite 10g, surplus diatomite.
Embodiment 17:
Preparation 100g 10% Hexythiazox azacyclotin (1% Hexythiazox+9% azacyclotin) missible oil, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Hexythiazox, the former medicine 9.48g of azacyclotin, agricultural newborn 2201#10g, cyclohexane 15g, epoxychloropropane 5g, surplus xylol.
Embodiment 18:
Preparation 100g5% Hexythiazox azacyclotin (4.9% Hexythiazox+0.1% azacyclotin) missible oil, the mass ratio of each component is respectively:
Take by weighing the former medicine 5.16g of Hexythiazox, the former medicine 0.11g of azacyclotin, agricultural newborn 2201#10g, cyclohexane 15g, epoxychloropropane 5g, surplus xylol.
Determination of activity instance 1:
Subjects is that citrus red mite (Panonychus citri McGregor) is if mite is tested the employing leaf dipping method.According to investigation data, calculate the lethality that each is handled, calculate the corrected mortality that each is handled with the AbbottShi formula, ask for virulence regression equation with DPS software, calculate LC
50, LC
95And LC
5095% confidence limit.
Calculate composite dose co-toxicity coefficient (CTC) according to the abundant method of Sun Yun, estimate its synergistic effect.Composite dose common poison system (CTC):
CTC >=120 show as synergistic effect;
CTC≤80 show as antagonism;
80＜CTC＜120 show as summation action.
Each single agent of table 1 and mixture thereof are to the toxicity test result of citrus red mite as if mite 48h
Toxicity Determination result shows, Hexythiazox, azacyclotin to citrus red mite if 48 hours LC of mite
50Be respectively: 1.80,9.89mg/L.Hexythiazox: azacyclotin is 49: 1 to 1: 49 o'clock, and co-toxicity coefficient (CTC) explains that all greater than 120 each proportioning all has synergistic effect, especially Hexythiazox: azacyclotin is 1: 9 and 1: 19 o'clock, and co-toxicity coefficient (CTC) is greater than 200, and synergistic effect is more remarkable.
Determination of activity instance 2:
Subjects is a citrus red mite (Panonychus citri McGregor) if mite, and test method is with determination of activity instance 1.
Each single agent of table 2 and mixture thereof are to the toxicity test result of citrus red mite as if mite 48h
Toxicity Determination result shows, Hexythiazox, fenbutatin oxide to citrus red mite if 48 hours LC of mite
50Be respectively: 1.80,11.28mg/L.Hexythiazox: fenbutatin oxide is 49: 1 to 1: 49 o'clock, and co-toxicity coefficient (CTC) explains that all greater than 120 each proportioning all has synergistic effect, especially Hexythiazox: fenbutatin oxide is 1: 9 and 1: 19 o'clock, and co-toxicity coefficient (CTC) is greater than 200, and synergistic effect is more remarkable.
Determination of activity instance 3:
Subjects is a Tetranychus urticae (Tetranychus urticae Koah) if mite, and test method is with determination of activity instance 1.
Each single agent of table 3 and mixture thereof are to the toxicity test result of Tetranychus urticae as if mite 48h
Toxicity Determination result shows, Hexythiazox, azacyclotin to Tetranychus urticae if 48 hours LC of mite
50Be respectively: 1.71,9.19mg/L.Hexythiazox: azacyclotin is 49: 1 to 1: 49 o'clock, and co-toxicity coefficient (CTC) explains that all greater than 120 each proportioning all has synergistic effect, especially Hexythiazox: azacyclotin is 1: 9 and 1: 19 o'clock, and co-toxicity coefficient (CTC) is greater than 200, and synergistic effect is more remarkable.
Determination of activity instance 4:
Subjects is a Tetranychus urticae (Tetranychus urticae Koah) if mite, and test medicine is Hexythiazox and fenbutatin oxide.Test method is with determination of activity instance 1.
Each single agent of table 4 and mixture thereof are to the toxicity test result of Tetranychus urticae as if mite 48h
Toxicity Determination result shows, Hexythiazox, fenbutatin oxide to Tetranychus urticae if 48 hours LC of mite
50Be respectively: 1.80,11.28mg/L.Hexythiazox: fenbutatin oxide is 49: 1 to 1: 49 o'clock, and co-toxicity coefficient (CTC) explains that all greater than 120 each proportioning all has synergistic effect, especially Hexythiazox: fenbutatin oxide is 1: 9 and 1: 19 o'clock, and co-toxicity coefficient (CTC) reaches 200, and synergistic effect is more remarkable.
Determination of activity instance 5:
Utilize that institute's preparaton 10% Hexythiazox azacyclotin ME does following field control effectiveness test among the embodiment 1:
1, dispenser object
Citrus red mite (Panonychus citri McGregor) on citrus (the Citrus reticulata Banco) tree.
2, concentration design
1000,1500,2000 times of 10% Hexythiazox azacyclotin ME dilutions; 1500 times of contrast medicament 5% Hexythiazox ME dilutions, 1500 times of 20% azacyclotin ME dilutions.
3, test method
With reference to People's Republic of China's agricultural industry criteria " pesticide field efficacy medicine test criterion () " GB/T17980.7-2000.
4, result and analysis
Table 510% Hexythiazox azacyclotin microemulsion (embodiment 1) control citrus red mite field control effectiveness test
Annotate: data are the mean value of 4 repetitions in the table; Preventive effect is the average correction preventive effect of each sub-district in the table; The Duncan method is adopted in significance test, and different English alphabets is illustrated on 5% level and reaches significant difference in the same column.
The field control effectiveness test result of 10% Hexythiazox azacyclotin microemulsion control citrus red mite sees table 5.After the dispenser 1 day, the control efficiency that 10% Hexythiazox azacyclotin ME dilution is 1500 times was significantly higher than the control efficiency of 1500 times of contrast medicament 5% Hexythiazox ME dilutions; After the dispenser 3 days, the control efficiency that 10% Hexythiazox azacyclotin ME dilution is 1500 times was significantly higher than the control efficiency of 1500 times of contrast medicament 5% Hexythiazox ME dilutions, 1500 times of 20% azacyclotin dilutions; After the dispenser 7 days, the control efficiency that 10% Hexythiazox azacyclotin ME dilution is 1500 times was significantly higher than the control efficiency of 1500 times of contrast medicament 20% azacyclotin dilutions, was in same level with the control efficiency of 1500 times of contrast medicament 5% Hexythiazox ME dilutions; After the dispenser 14 days, the control efficiency that 10% Hexythiazox azacyclotin ME dilution is 1500 times was significantly higher than the control efficiency of 1500 times of contrast medicament 5% Hexythiazox ME dilutions, 1500 times of 20% azacyclotin dilutions.
Field test results shows that under the identical situation of extension rate, the control efficiency of 10% Hexythiazox azacyclotin ME is superior to the use of its single agent, has reduced the consumption of Hexythiazox and azacyclotin simultaneously, and can prolong the lasting period.
Determination of activity instance 6:
Utilize among the embodiment 8 institute's preparaton 10% Hexythiazox fenbutatin oxide suspending agent to do following field control effectiveness test:
Dispenser object: the citrus red mite (Panonychus citriMcGregor) on citrus (the Citrus reticulata Banco) tree.Test method is with determination of activity instance 5.
Table 610% Hexythiazox fenbutatin oxide suspending agent (embodiment 8) control citrus red mite field control effectiveness test
Annotate: data are the mean value of 4 repetitions in the table; Preventive effect is the average correction preventive effect of each sub-district in the table; The Duncan method is adopted in significance test, and different English alphabets is illustrated on 5% level and reaches significant difference in the same column.
The field control effectiveness test result of 10% Hexythiazox fenbutatin oxide suspending agent control citrus red mite sees table 6.After the dispenser 1,3 day, the control efficiency that 10% Hexythiazox fenbutatin oxide SC dilution is 1500 times was significantly higher than the control efficiency same period of 1500 times of contrast medicament 5% Hexythiazox SC dilutions, 1500 times of 20% fenbutatin oxide dilutions; After the dispenser 7 days, the control efficiency that 10% Hexythiazox fenbutatin oxide SC dilution is 1500 times was significantly higher than the control efficiency of 1500 times of contrast medicament 20% fenbutatin oxide dilutions, was in same level with the control efficiency of 1500 times of contrast medicament 5% Hexythiazox SC dilutions; After the dispenser 14 days, the control efficiency that 10% Hexythiazox fenbutatin oxide SC dilution is 1500,2000 times was significantly higher than the control efficiency of 1500 times of contrast medicament 5% Hexythiazox SC dilutions, 1500 times of 20% fenbutatin oxide dilutions.
Field test results shows that under the identical situation of extension rate, the control efficiency of 10% Hexythiazox fenbutatin oxide SC is superior to the use of its single agent, has reduced the consumption of Hexythiazox and fenbutatin oxide simultaneously, and can prolong the lasting period.
Claims (6)
1. miticide composition; It is characterized in that: it is an active component with Hexythiazox and organic tin miticide; Be equipped with additive compound and form, wherein the acaricidal ratio of quality and the number of copies of Hexythiazox and organic tin is 50: 1～1: 100, the organic tin miticide be in azacyclotin and the fenbutatin oxide any one.
2. miticide composition according to claim 1 is characterized in that: the acaricidal preferred mass portion rate of Hexythiazox and organic tin is 1: 1～1: 50 in the composition.
3. miticide composition according to claim 2 is characterized in that: the acaricidal preferred mass portion rate of Hexythiazox and organic tin is 1: 9～1: 19 in the composition.
4. like each described miticide composition of claim 1 to 3, it is characterized in that: composition is mixed with microemulsion, wetting powder, suspending agent, aqueous emulsion, water dispersible granules or missible oil.
5. like each described miticide composition of claim 1 to 3, it is characterized in that: this miticide composition is used to prevent and treat the various harmful mite on fruit tree, cotton, vegetables, paddy rice, wheat, tea tree, the tobacco crop.
6. miticide composition according to claim 5 is characterized in that: this miticide composition is used to prevent and treat citrus red mite, Tetranychus urticae, Tetranychus cinnabarinus, truncate leaf mite, Turkestan tetranychid, apple tetranychus, hawthron spider mite, Bryobia praetiosa, rice Schizotetranychus, petrobia latens, Dunhuang tetranychid, yellow tea mite, rust mite, pink tea rust mite, privet mite.
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| CN101647464A CN101647464A (en) | 2010-02-17 |
| CN101647464B true CN101647464B (en) | 2012-09-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1173110A (en) * | 1994-11-25 | 1998-02-11 | 花王株式会社 | Adjuvant composition for agricutural chemicals and method for enhancing the efficacy of agricultural chemical |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1173110A (en) * | 1994-11-25 | 1998-02-11 | 花王株式会社 | Adjuvant composition for agricutural chemicals and method for enhancing the efficacy of agricultural chemical |
Non-Patent Citations (1)
| Title |
|---|
| 张弘等.农用杀螨剂应用、开发现状及展望.《农药》.2003,第42卷(第3期),第14-17页. * |
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