CN101637172A - Insecticidal/acaricidal composition having lufenuron and tebufenozide - Google Patents
Insecticidal/acaricidal composition having lufenuron and tebufenozide Download PDFInfo
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- CN101637172A CN101637172A CN200910146853A CN200910146853A CN101637172A CN 101637172 A CN101637172 A CN 101637172A CN 200910146853 A CN200910146853 A CN 200910146853A CN 200910146853 A CN200910146853 A CN 200910146853A CN 101637172 A CN101637172 A CN 101637172A
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- acarus tritici
- tritici urea
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- 239000005937 Tebufenozide Substances 0.000 title claims abstract description 9
- QYPNKSZPJQQLRK-UHFFFAOYSA-N tebufenozide Chemical compound C1=CC(CC)=CC=C1C(=O)NN(C(C)(C)C)C(=O)C1=CC(C)=CC(C)=C1 QYPNKSZPJQQLRK-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 230000000749 insecticidal effect Effects 0.000 title abstract description 9
- 230000000895 acaricidal effect Effects 0.000 title abstract description 7
- 239000005912 Lufenuron Substances 0.000 title abstract description 6
- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 title abstract description 6
- 229960000521 lufenuron Drugs 0.000 title abstract description 6
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Abstract
The invention relates to an insecticidal (acaricidal) composition having lufenuron and tebufenozide and application thereof. The insecticidal (acaricidal) composition mainly comprises the lufenuron and the tebufenozide and comprises an accessory ingredient and excipients, wherein the mass part ratio of the lufenuron to the tebufenozide is 10:1-1:50. The composition can be prepared into microemulsion, a suspending agent, aqueous emulsion, water dispersible granules, wetting powder or missible oil. The insecticidal (acaricidal) composition has a synergy effect, broadens pest prevention spectra,overcomes and stays the drug fastness of the pest, prolongs the service life of pesticides, and reduces the cost and the pesticide residue. The composition can prevent and treat Lepidoptera, Homoptera, Thysanoptera, Acarina pest (acarus) on crops, especially can prevent and treat diamond back moth, spodoptera litura, trialeurodes vaporariorum, rust mite and the like. The effect of the compositionis obviously better than that of two pesticides used separately.
Description
Technical field
The present invention relates to a kind of agriculture chemical compounding composition, being specifically related to a kind of is the insecticidal/acaricidal composition of main active with Acarus tritici urea and worm hydrazides.
Background technology
Acarus tritici urea (Lufenuron), another name: chlorine is fragrant new, Lufenuron, the fluorine third oxygen urea, chemical name: N-[[[2,5-two chloro-4-(1,1,2,3,3,3-hexafluoro third oxygen) phenyl] amino] carboxyl]-2, the 6-difluorobenzamide.Trade name: U.S.A removes.
The Acarus tritici urea belongs to the benzoyl area kind Insecticidal and acaricidal agent, is a kind of insect growth regulator, IGR, and its mechanism of action is suppress insect chitin synthetic, influences the formation of insect cuticle and reaches the insecticidal action purpose, has stomach toxicity and action of contace poison.
The Acarus tritici urea is mainly used in crops such as corn, grape, soybean and vegetables.The Acarus tritici urea can be used to prevent and treat diamond-back moth, prodenia litura, cabbage caterpillar, beet armyworm, tomato moth, cotton bollworm, thrips, lima bean pod borer, rust mite, plant hopper, citrus leaf-miner etc., this product has outstanding preventive effect to food leaf caterpillars such as fruit trees, thrips, rust mite, trialeurodes vaporariorum there are unique mechanism of killing, are applicable to that control produces resistant insect to pyrethroid and organophosphorous pesticide.The lasting period of Acarus tritici urea is long, helps reducing the laxative number of times; To crop safety, corn, vegetables, oranges and tangerines, cotton, potato, grape, Soybean and Other Crops all can be used, and are suitable for comprehensive insect pest improvement and non-polluted farm product production.The Acarus tritici urea can not cause that sucking pest is rampant again, to the adult of beneficial insect and pounce on feeding habits mite action temperature and.The lasting medicine of Acarus tritici urea, resistance of rainwater washing against has selectivity to useful arthropods adult.The Acarus tritici urea has preferably ovum effect extremely, can kill new product worm's ovum, 2～3 days visual effects after the dispenser.The Acarus tritici urea, can use during honeybee producting honey the mammal low toxicity honeybee and hornet low toxicity, and is more safer relatively than organic phosphor, carbamate chemicals for agriculture, can be used as good mixed agent and uses, and lepidoptera pest is had good control efficiency.
Worm hydrazides (Tebufenozide), chemical name: N-tertiary butyl-N '-(4-ethylamino benzonitrile acyl group)-3,5-dimethyl benzene hydrazides.Trade name: rice is full.
The worm hydrazides is the novel insect growth regulator, IGR of on-steroidal of U.S. rom Haars Co., Ltd nineteen ninety research and development, and its mechanism of action is to cast off a skin in the time should not casting off a skin behind the larval feeding, not exclusively causes larva dehydration, hungry and dead owing to casting off a skin.
The worm hydrazides is mainly used in crops such as control citrus, cotton, ornamental crops, potato, soybean, tobacco, fruit tree and vegetables.Tebufenozide pesticide is active high, and selectivity is strong, and speed of action is fast, and is all effective to all lepidopterous larvaes, and antagonism insect diamond-back moth, cotton bollworm, cabbage caterpillar, beet armyworm etc. have special efficacy, and extremely strong ovicidal activity is arranged, and be safer to non-target organism.The worm hydrazides does not have teratogenesis, carcinogenic, mutagenesis to eyes and skin nonirritant to higher mammal, and is all fool proof to mammal, birds, natural enemy.
Acarus tritici urea shortcoming is that desinsection speed is slower, and needs and desinsection speed insecticide are faster used simultaneously.In addition, Acarus tritici urea cost is higher, can not be applied to the crop pests control widely.
The long-term continuous single use of Acarus tritici urea or worm hydrazides easily causes pest resistance to insecticide, causes the pesticide resistance of insect more and more stronger, even causes insect rampant again, causes dosage to increase, and has so both increased the control cost, has polluted environment again, has reduced crop quality.In recent years, some primary pests such as diamond-back moth, prodenia litura, beet armyworm, cabbage caterpillar, vegetable aphid, Trialeurodes vaporariorum Westwood etc. on China vegetables, rice field primary pest rice fulgorid and cotton primary pest aphid, two spotted spider mite, cotton bollworm etc., some conventional pesticide kinds have generally been produced resistance, caused that control efficiency obviously descends, insect is rampant again.According to incompletely statistics, diamond-back moth produces resistance to more than 50 kind of insecticide such as organochlorine, organic phosphor, carbamate, acylureas, bacillus thuringiensis,Bt, comprises growth regulator has also been produced resistance as pressing down hooligan, UC 62644 etc.; Prodenia litura all develops immunity to drugs to insecticides such as organochlorine, organic phosphor, carbamates, pyrethroid and Bt preparations.Therefore, development is efficient, low toxicity, low-residual complex preparation, helps to prevent and overcome pest to develop immunity to drugs, and helps to prolong the service life of pesticide species.
Summary of the invention
The object of the present invention is to provide a kind of synergistic composition that contains Acarus tritici urea and worm hydrazides.
The present invention be a kind of be desinsection (mite) composition and the application thereof of main active with Acarus tritici urea and worm hydrazides, it is characterized in that effective ingredient is made up of Acarus tritici urea and worm hydrazides, its ratio of quality and the number of copies is 10: 1～1: 50, is preferably 1: 1～1: 20.Described active ingredient is present in the composition with the synergy effective dose, and the better mass fraction of effective ingredient Acarus tritici urea is 1%～10%, the better mass fraction of worm acyl calf is 1%～50%, and all the other are insecticides adjuvant and excipients (or filler).
The present invention is desinsection (mite) synergistic composition of primary activity composition with Acarus tritici urea and worm hydrazides, can be used for preventing and treating insects (mite) such as diamond-back moth, beet armyworm, striped rice borer, cabbage caterpillar, prodenia litura, lima bean pod borer, cotton bollworm, oriental tobacco budworm, tea geometrid, tea caterpillar, trialeurodes vaporariorum, thrips, rust mite.
The present invention is based on active ingredient Acarus tritici urea and worm hydrazides, is mixed with microemulsion, suspending agent, aqueous emulsion, water dispersible granules, wetting powder or missible oil with suitable insecticides adjuvant, excipients (or filler).Described auxiliary agent determines that according to formulation the present invention furthers investigate the auxiliary agent of microemulsion and suspending agent, and scheme is respectively:
(1) when the preparation microemulsion, its auxiliary agent is: by quality of the pharmaceutical preparations emulsifier 5%～12%, solvent 3%～30%, stabilizing agent 0.1%～10%, antifreezing agent 0.1%～2%.Described emulsifier is a NaLS, calcium dodecyl benzene sulfonate (agricultural newborn 500#), neopelex, lignosulfonates, carboxymethyl cellulose, Nongru-700 # (alkyl phenol formaldehyde resin polyoxyethylene ether), the newborn 400# of farming, the newborn 2201# of farming, TX-10 (Nonyl pheno (10) ether), triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer, phenethyl phenol polyethenoxy ethers (as newborn 600# series of farming etc.), dibenzyl xenol polyethenoxy ether class (as the newborn 300# of farming), castor oil polyoxyethylene ether is (as the By emulsifier, peaceful breast 130 etc.), the EO-PO block copolymer, sorbitan fatty acid ester APEO (as tween series), sorbitan fatty acid ester (as Span series), Polypropylene Glycol Glycerin Ether, the mixture of one or more in the glycerin polyoxyethylene ether polyoxypropylene ether fatty acid ester; Described solvent is one or more the mixture in dimethylbenzene, 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; Described stabilizing agent is one or more the mixture in methyl alcohol, benzinum, urea, wettable starch, triphenyl phosphite, epoxychloropropane, aceticanhydride, the tolyl glycidic alcohol; Described antifreezing agent is one or more the mixture in glycerine, propane diols, ethylene glycol, sodium chloride, sorbierite, the sorbic acid.
(2) when the preparation suspending agent, its auxiliary agent is: by quality of the pharmaceutical preparations wetting dispersing agent 1%～40%, thickener 0.1%～10%, defoamer 0.5%～10%, stabilizing agent 0%～10%, preservative 0%～5%, antifreezing agent 0.1%～5%.Described wetting dispersing agent is that alkylphenol polyoxyethylene formaldehyde condensation products sodium sulphate is (as SOPA230,235 etc.), lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, alkylnaphthalene sulfonate (drawing back powder etc.), dialkyl succinylsuccinate sulfonate, alkylphosphonic, alkylnaphthalene sulfonate, alkylsulfonate, the alkylaryl naphthalene sulfonate, aliphatic alcohol sulfate, lignin and derivative sulfonate thereof, sorbitan fatty acid ester polyoxyethylene groups ether--tween series, the glycerin polyoxyethylene polyethenoxy ether, alkylphenol polyoxyethylene, fatty alcohol polyethenoxy ether class (as JFC), phenethyl phenol polyethenoxy ethers, the polyoxyethylene poly-oxygen propylene aether block copolymer, the dodecyl polyoxyethylene ether phosphate, starch, gelatin, polyvinyl alcohol etc. can be one or more mixtures; Described thickener is xanthans, pectin, gelatin, gum Arabic, guar gum, polyvinyl alcohol, the basic cellulose of hydroxyl first (second), methylcellulose, sodium alginate, carrageenan, clay mineral (as bentonite), Magnesiumaluminumsilicate, soluble starch, dispersed silica gel, gaseous state silica, gypsum etc. can be one or more mixtures; Described defoamer is higher alcohol (as isooctanol, isoamyl alcohol etc.), fatty acid (lauric acid, stearic acid etc.), silicone etc., can be one or more mixture; Described stabilizing agent is xanthan gum, pyrogallol, salicylic acid, ascorbic acid, sodium sorbate, Sodium Benzoate, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, chloropropylene oxide, hydroquinones, bisnaphthol, 1-naphthols salicylic acid, benzoic acid, rosemary oil, epoxidized soybean oil, castor oil, olive oil, linseed oil, Magnesiumaluminumsilicate etc., can be one or more mixture; Described preservative is formaldehyde, benzoic acid, Sodium Benzoate etc., can be one or more mixture; Described antifreezing agent is ethylene glycol, propane diols, glycerine, urea, diethylene glycol (DEG), polyethylene glycol, sorbierite etc., can be one or more mixture.
After the invention has the advantages that Acarus tritici urea and worm hydrazides are mixed, the one, can widen control of insect spectrum, can be in a drug doublely control crop growth two or more simultaneous insects in the phase; The 2nd, can save the labour, reduce the control cost; The 3rd, improve preventive effect or prolong the longevity of residure; The 4th, can overcome and delay insect and develop immunity to drugs, prolong the service life of pesticide species; The 5th, the environment-friendly type formulation reduces environmental pollution, has alleviated toxicity.
Embodiment
The inventor is by a large amount of lab screening tests, and discovery Acarus tritici urea and worm hydrazides are mixed diamond-back moth, beet armyworm, cabbage caterpillar are had synergistic function, and field test results shows that also the effect of mixture preparation is better than the use of single agent.
In order better to understand essence of an invention, below in conjunction with example 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 former medicine effective content of Acarus tritici urea used in following examples is 95%, and the former medicine effective content of used worm hydrazides is 95%.
Embodiment 1:
Prepare 5% Acarus tritici urea worm hydrazides (1% Acarus tritici urea+4% worm hydrazides) microemulsion:
Take by weighing the former medicine 1.06g of Acarus tritici urea, the former medicine 4.22g of worm hydrazides, agricultural newborn 2201#8g, dimethyl sulfoxide (DMSO) 10g, acetone 5g, epoxychloropropane 6g, sorbierite 1g, surplus deionized water.
Preparation process:
Former medicine, dimethyl sulfoxide (DMSO) added with acetone be in the same place, make and be dissolved into even oil phase; The newborn 2201# of farming, epoxychloropropane, sorbierite 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, begin to stir under 500～15000 rev/mins rotating speed, mixing time is 0.5～1.5 hour, makes homogeneous, transparent, stable 5% Acarus tritici urea worm hydrazides microemulsion through high speed shear.
It is similar to Example 1 that following examples prepare the process of microemulsion.
Embodiment 2:
Prepare 20% Acarus tritici urea worm hydrazides (1% Acarus tritici urea+19% worm hydrazides) microemulsion, the mass ratio of each component is respectively:
The former medicine 1.06g of Acarus tritici urea, the former medicine 21.04g of worm hydrazides, lignosulfonates 10g, dimethyl sulfoxide (DMSO) 20g, acetone 5g, triphenyl phosphite 6g, glycerine 0.5g, surplus deionized water.
Embodiment 3:
Prepare 20% Acarus tritici urea worm hydrazides (0.4% Acarus tritici urea+19.6% worm hydrazides) microemulsion, the mass ratio of each component is respectively:
The former medicine 0.42g of Acarus tritici urea, the former medicine 20.63g of worm hydrazides, calcium dodecyl benzene sulfonate 10g, dimethyl sulfoxide (DMSO) 20g, cyclohexanone 10g, tolyl glycidic alcohol 6g, benzinum 1g, surplus deionized water.
Embodiment 4:
Prepare 5% Acarus tritici urea worm hydrazides (4.5% Acarus tritici urea+0.5% worm hydrazides) microemulsion, the mass ratio of each component is respectively:
The former medicine 4.74g of Acarus tritici urea, the former medicine 0.53g of worm hydrazides, agricultural newborn 400#8g, acetone 5g, dimethyl sulfoxide (DMSO) 5g, methyl alcohol 6g, sorbic acid 0.5g, surplus deionized water.
Embodiment 5:
Prepare 5% Acarus tritici urea worm hydrazides (1% Acarus tritici urea+4% worm hydrazides) suspending agent, the mass ratio of each component is respectively:
Take by weighing the former medicine 1.06g of Acarus tritici urea, the former medicine 4.22g of worm hydrazides, alkylnaphthalene sulfonate 5g, polyvinyl alcohol 4g, isoamyl alcohol 4g, castor oil 5g, Sodium Benzoate 0.2g, polyethylene glycol 0.5g, surplus deionized water.
Preparation process:
The former medicine that will contain Acarus tritici urea and worm hydrazides earlier mixes, adding alkylnaphthalene sulfonate more in proportion fully stirs, adding each component such as polyvinyl alcohol, isoamyl alcohol, castor oil, Sodium Benzoate, 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 Acarus tritici urea and worm hydrazides all get 5% Acarus tritici urea Tebufenozide suspending agent when 4 μ m are following.
It is similar to Example 5 that following examples prepare the process of suspending agent.
Embodiment 6:
Prepare 20% Acarus tritici urea worm hydrazides (1% Acarus tritici urea+19% worm hydrazides) suspending agent, the mass ratio of each component is respectively:
The former medicine 1.06g of Acarus tritici urea, the former medicine 21.04g of worm hydrazides, aliphatic alcohol sulfate 15g, sodium alginate 5g, isooctanol 4g, sodium sorbate 5g, benzoic acid 0.2g, sorbierite 0.5g, surplus running water.
Embodiment 7:
Prepare 20% Acarus tritici urea worm hydrazides (0.4% Acarus tritici urea+19.6% worm hydrazides) suspending agent, the mass ratio of each component is respectively:
The former medicine 0.42g of Acarus tritici urea, the former medicine 20.63g of worm hydrazides, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate 15g, gum Arabic 5g, lauric acid 4g, rosemary oil 5g, formaldehyde 0.1g, ethylene glycol 0.5g, surplus deionized water.
Embodiment 8:
Prepare 5% Acarus tritici urea worm hydrazides (4.5% Acarus tritici urea+0.5% worm hydrazides) suspending agent, the mass ratio of each component is respectively:
The former medicine 4.74g of Acarus tritici urea, the former medicine 0.53g of worm hydrazides, alkylphenol polyoxyethylene 10g, methylcellulose 5g, stearic acid 4g, sodium sorbate 5g, benzoic acid 0.1g, glycerine 0.1g, surplus running water.
Determination of activity example 1: subjects is diamond-back moth (Plutella xylostella L) larva
Test method: with reference to People's Republic of China's agricultural industry criteria (" agricultural chemicals indoor bioassay test rule " insecticidal n Y/T1154.9-2008.
Carry out preliminary experiment earlier, according to the concentration range of the consequence devised reagent agent of preliminary experiment.Each single agent and preparation are established 5 concentration respectively, are subjects with 3 diamond-back moth in age (Plutella xylostella L) larvas.
The Potter spray-on process is adopted in this test.Filter paper is put into the culture dish that diameter is 9cm, add an amount of distilled water, make filter paper moistening, but ponding can not be arranged, get rid of the air between filter paper and the culture dish, it is standby to make filter paper be close to the culture dish bottom, and cotton balls is preserved moisture with preserving moisture.The atomisation pressure of Potter spray tower is stabilized in 1.47 * 10
5Pa, fog-spray nozzle cleans 2 times with acetone earlier, cleans 2 times with distilled water again.Utilize the Potter spray tower quantitatively to spray, spray value is 1mL, and 15 diamond-back moth 3 instar larvaes of every repetition take out diamond-back moth behind the spraying back sedimentation 1min, put into the culture dish of fresh cabbage leaves and raise, and every ware is 1 repetition, and every concentration is established 4 repetitions.Contrast is handled with the aqueous acetone solution with amount.The intact drug concentration of every spray is handled the back and is cleaned 2 times with acetone, distilled water.At last culture dish is put into constant incubator (temperature: 25 ℃, relative moisture: 70%, periodicity of illumination L: D=16: 8h).Handle back 72h investigation examination worm death condition.
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, relatively the insecticidal effect of each mixture is estimated its synergistic effect.Composite dose common poison is that (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 diamond-back moth 3 instar larvae 72h
According to the Toxicity Determination result, the Acarus tritici urea: the worm hydrazides is 10: 1 to 1: 50 o'clock, co-toxicity coefficient (CTC) is all greater than 120, illustrate that each proportioning all has synergistic effect, especially the Acarus tritici urea: the worm hydrazides is 1: 1 to 1: 19 o'clock, and co-toxicity coefficient (CTC) is all greater than 200, synergistic effect is obvious, Acarus tritici urea particularly: the worm hydrazides is 1: 19 o'clock, and co-toxicity coefficient (CTC) is greater than 300, and synergistic effect is obvious especially.
Determination of activity example 2: subjects is beet armyworm (Spodoptera exigua H ü bner) larva
Test method is with determination of activity example 1, and described examination worm is beet armyworm 3 instar larvaes.
Each single agent of table 2 and mixture thereof are to the toxicity test result of beet armyworm 3 instar larvae 72h
According to the Toxicity Determination result, Acarus tritici urea and worm hydrazides are to 72 hours LC of beet armyworm 3 instar larvaes
50Be respectively: 2.14,5.31mg/L.The Acarus tritici urea: the worm hydrazides is 10: 1 to 1: 50 o'clock, and co-toxicity coefficient (CTC) shows to have synergistic effect, wherein the Acarus tritici urea all greater than 120: the worm hydrazides is 1: 4,1: 10,1: 19 o'clock, and co-toxicity coefficient (CTC) shows that all greater than 200 synergistic effect is obvious.
Determination of activity example 3:
Utilize among the embodiment 1,2 institute's preparaton to do following field control effectiveness test:
1, dispenser object
Diamond-back moth (Plutellaxylostella L) on the brassicaceous vegetable wild cabbage (Brassica oleracea var.capitata).
2, concentration design
1000,1500,2000 times of 5% Acarus tritici urea worm hydrazides ME dilutions; 1000,1500,2000 times of 20% Acarus tritici urea worm hydrazides ME dilutions; 1500 times of contrast medicament 5% Acarus tritici urea ME dilutions, 1500 times of 20% worm hydrazides ME dilutions.
3, test method
With reference to People's Republic of China's agricultural industry criteria (" pesticide field efficacy medicine test criterion (one) " GB/T17980.13---2000.
This test is experimental field carried out in Shenzhen Nuopuxin Agricultural Chemical Co., Ltd, and 4 repetitions are established in every processing, totally 36 sub-districts, every sub-district area 10m
2, by district's group arrangement at random.5 points of parallel great-jump-forward sampling survey are adopted in every sub-district, and every with bamboo let fixation mark 4 strains, investigate 20 strains altogether.Treat that diamond-back moth is that 2-3 sprays medicine and handles during age, every sub-district spraying liquid 0.75kg, spray date is on April 7th, 2009, investigation insect population radix before the medicine was investigated residual borer population on the the 1st, 3,7,14 day behind the medicine.Adopt the insect population rate methods analyst control efficiency that goes down, the new multipole of Deng Kenshi poor (DMRT) method is adopted in significance test, carries out significance analysis with DPS software.
4, result and analysis
(1) 5% Acarus tritici urea worm hydrazides microemulsion the results are shown in Table 3 to the field control effectiveness test 5% Acarus tritici urea worm hydrazides microemulsion of brassicaceous vegetable diamond-back moth to the field control effectiveness test of brassicaceous vegetable diamond-back moth, after the dispenser 1,3 day, the control efficiency that 5% Acarus tritici urea worm hydrazides ME dilution is 1500 times was in same level with the control efficiency of 1500 times of contrast medicament 5% Acarus tritici urea ME dilutions; After the dispenser 7,14 days, the control efficiency that 5% Acarus tritici urea worm hydrazides ME dilution is 1000 times is significantly higher than the control efficiency same period of 1500 times of contrast medicament 20% Acarus tritici urea ME dilutions, and the control efficiency that 5% Acarus tritici urea worm hydrazides ME dilution is 1500 times is not obvious with the control efficiency difference of 1500 times of contrast medicament 5% Acarus tritici urea ME dilutions, be in same level with the control efficiency same period of contrast medicament 20% worm hydrazides ME.
According to result of the test, the quick-acting of 5% Acarus tritici urea worm hydrazides ME is good, and is suitable with the quick-acting of 20% worm hydrazides ME; The lasting effect of 5% Acarus tritici urea worm hydrazides ME and 5% Acarus tritici urea ME difference are not obvious, but significantly better than the lasting effect of 20% worm hydrazides ME.
(2) 20% Acarus tritici urea worm hydrazides microemulsions are to the field control effectiveness test of brassicaceous vegetable diamond-back moth
20% Acarus tritici urea worm hydrazides microemulsion the results are shown in Table 4 to the field control effectiveness test of brassicaceous vegetable diamond-back moth, after the dispenser 1 day, the control efficiency that 20% Acarus tritici urea worm hydrazides ME dilution is 1000 times was significantly higher than the control efficiency of 1500 times of contrast medicament 5% Acarus tritici urea ME dilutions; After the dispenser 3 days, the control efficiency that 20% Acarus tritici urea worm hydrazides ME dilution is 1000 times was significantly higher than 1500 times of contrast medicament 5% Acarus tritici urea ME dilutions and 20% worm hydrazides ME and dilutes 1500 times control efficiency; After the dispenser 7,14 days, the control efficiency that 20% Acarus tritici urea worm hydrazides ME dilution is 1000 times is significantly higher than 1500 times of contrast medicament 5% Acarus tritici urea ME dilutions and 20% worm hydrazides ME and dilutes 1500 times the control efficiency same period, the control efficiency that 20% Acarus tritici urea worm hydrazides ME dilution is 1500 times is not obvious with the control efficiency difference same period of 1500 times of contrast medicament 5% Acarus tritici urea ME dilutions, is in same level with the control efficiency same period that contrasts 1500 times of medicament 20% worm hydrazides ME dilutions.
According to result of the test, the quick-acting of 20% Acarus tritici urea worm hydrazides ME is good, and is suitable with the quick-acting of 20% worm hydrazides ME; The lasting effect of 20% Acarus tritici urea worm hydrazides ME is significantly better than the lasting effect of contrast medicament 5% Acarus tritici urea ME difference and 20% worm hydrazides ME.
Comprehensive above-mentioned field control effectiveness test result shows that institute's preparaton 5% Acarus tritici urea worm hydrazides ME, 20% Acarus tritici urea worm hydrazides ME among the embodiment 1,2 are better than the use of single agent in actual applications, can prolong drug effect, reduces the medication number of times; In addition, institute's preparaton is a microemulsion, and used organic solvent is less, has reduced the pollution of organic solvent to environment, has alleviated penetrating odor, to the also raising greatly of safety of crop.
Claims (6)
1, a kind of desinsection (mite) composition, it is characterized in that: it is the primary activity composition with Acarus tritici urea and worm hydrazides, is equipped with composite the forming of auxiliary agent and excipients (or filler), wherein the ratio of quality and the number of copies of Acarus tritici urea and worm hydrazides is 10: 1～1: 50.
2, according to claim 1, it is characterized in that: the ratio of quality and the number of copies of Acarus tritici urea and worm hydrazides is 1: 1～1: 20 in the composition.
3, claim 1 or 2 described desinsection (mite) compositions, it is characterized in that: composition is mixed with microemulsion, suspending agent, aqueous emulsion, water dispersible granules, wetting powder or missible oil.
4,, it is characterized in that described auxiliary agent is definite according to formulation according to described Acarus tritici urea and Tebufenozide pesticide (mite) composition of containing of claim 1.
(1) when the preparation microemulsion, its auxiliary agent is:
1) emulsifier: account for 5%～12% by the quality of the pharmaceutical preparations, kind is a NaLS, calcium dodecyl benzene sulfonate (agricultural newborn 500#), neopelex, lignosulfonates, carboxymethyl cellulose, Nongru-700 # (alkyl phenol formaldehyde resin polyoxyethylene ether), the newborn 400# of farming, the newborn 2201# of farming, TX-10 (Nonyl pheno (10) ether), triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer, phenethyl phenol polyethenoxy ethers (as newborn 600# series of farming etc.), dibenzyl xenol polyethenoxy ether class (as the newborn 300# of farming), castor oil polyoxyethylene ether is (as the By emulsifier, peaceful breast 130 etc.), the EO-PO block copolymer, sorbitan fatty acid ester APEO (as tween series), sorbitan fatty acid ester (as Span series), Polypropylene Glycol Glycerin Ether, the mixture of one or more in the glycerin polyoxyethylene ether polyoxypropylene ether fatty acid ester.
2) solvent: account for 3%～30% by the quality of the pharmaceutical preparations, kind is one or more the mixture in dimethylbenzene, 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.
3) stabilizing agent: account for 0.1%～10% by the quality of the pharmaceutical preparations, kind is one or more the mixture in methyl alcohol, benzinum, urea, wettable starch, triphenyl phosphite, epoxychloropropane, aceticanhydride, the tolyl glycidic alcohol.
4) antifreezing agent: account for 0.1%～2% by the quality of the pharmaceutical preparations, antifreezing agent is one or more the mixture in glycerine, propane diols, ethylene glycol, sodium chloride, sorbierite, the sorbic acid.
(2) when the preparation suspending agent, its auxiliary agent is:
1) wetting dispersing agent: account for 1%～40% by the quality of the pharmaceutical preparations, kind is that alkylphenol polyoxyethylene formaldehyde condensation products sodium sulphate is (as SOPA230,235 etc.), lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, alkylnaphthalene sulfonate (drawing back powder etc.), dialkyl succinylsuccinate sulfonate, alkylphosphonic, alkylnaphthalene sulfonate, alkylsulfonate, the alkylaryl naphthalene sulfonate, aliphatic alcohol sulfate, lignin and derivative sulfonate thereof, sorbitan fatty acid ester polyoxyethylene groups ether-tween series, the glycerin polyoxyethylene polyethenoxy ether, alkylphenol polyoxyethylene, fatty alcohol polyethenoxy ether class (as JFC), phenethyl phenol polyethenoxy ethers, the polyoxyethylene poly-oxygen propylene aether block copolymer, the dodecyl polyoxyethylene ether phosphate, starch, gelatin, in the polyvinyl alcohol etc. one or more.
2) thickener: account for 0.1%～10% by the quality of the pharmaceutical preparations, kind is xanthans, pectin, gelatin, gum Arabic, guar gum, polyvinyl alcohol, the mixture of one or more in the basic cellulose of hydroxyl first (second), methylcellulose, sodium alginate, carrageenan, clay mineral (as bentonite), Magnesiumaluminumsilicate, soluble starch, dispersed silica gel, gaseous state silica, the gypsum etc.
3) defoamer: account for 0.5%～10% by the quality of the pharmaceutical preparations, can be one or more the mixture in higher alcohol (isooctanol, isoamyl alcohol), fatty acid (lauric acid, stearic acid), the silicone etc.
4) stabilizing agent: account for 0%～10% by the quality of the pharmaceutical preparations, kind is one or more in xanthan gum, pyrogallol, salicylic acid, ascorbic acid, sodium sorbate, Sodium Benzoate, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, chloropropylene oxide, hydroquinones, bisnaphthol, 1-naphthols salicylic acid, benzoic acid, rosemary oil, epoxidized soybean oil, castor oil, olive oil, linseed oil, the Magnesiumaluminumsilicate etc.
5) preservative: account for 0%～5% by the quality of the pharmaceutical preparations, kind is one or more in formaldehyde, benzoic acid, the Sodium Benzoate etc.
6) antifreezing agent: account for 0.1%～5% by the quality of the pharmaceutical preparations, kind is one or more in ethylene glycol, propane diols, glycerine, urea, diethylene glycol (DEG), polyethylene glycol, the sorbierite etc.
5, according to claim 1 to 3, desinsection (mite) composition is used to prevent and treat insect or the evil mite on Lepidoptera, Homoptera, thrips, the Acarina etc.
6, according to claim 5, desinsection (mite) composition is used to prevent and treat diamond-back moth, beet armyworm, striped rice borer, cabbage caterpillar, prodenia litura, lima bean pod borer, cotton bollworm, oriental tobacco budworm, tea geometrid, tea caterpillar, trialeurodes vaporariorum, thrips, rust mite.
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| CN107646838A (en) * | 2016-07-26 | 2018-02-02 | 北京易丰源生物科技有限公司 | A kind of edible glue class pesticide spray assistant composition |
| CN107646837A (en) * | 2016-07-26 | 2018-02-02 | 北京易丰源生物科技有限公司 | A kind of green and environment-friendly pesticide spray adjuvantses composition |
| CN110583653A (en) * | 2019-10-15 | 2019-12-20 | 中国农业科学院棉花研究所 | Insecticidal composition and application thereof |
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| CN101637172B (en) | 2013-03-27 |
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