CN102232383A - Pesticidal composition containing spirotetramat and indoxacarb - Google Patents
Pesticidal composition containing spirotetramat and indoxacarb Download PDFInfo
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- CN102232383A CN102232383A CN2010101668290A CN201010166829A CN102232383A CN 102232383 A CN102232383 A CN 102232383A CN 2010101668290 A CN2010101668290 A CN 2010101668290A CN 201010166829 A CN201010166829 A CN 201010166829A CN 102232383 A CN102232383 A CN 102232383A
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Abstract
The invention discloses a pesticidal composition containing spirotetramat and indoxacarb, and a preparation method and application thereof. The pesticidal composition is characterized by containing spirotetramat, indoxacarb and other auxiliaries, wherein the weight ratio of the spirotetramat to the indoxacarb is (0.1-70):(0.1-80). The pesticidal composition can be used for preventing and controlling multiple pests of multiple crops. The composition is safe and environment-friendly, and has low cost and a good effect. The indoor toxicity test and field pesticide effectiveness test prove that the complexing of the two compounds has an obvious synergic effect on the target pest. As the mixing of spirotetramat and indoxacarb has not been reported home and abroad, the pesticidal composition is proposed.
Description
Technical field
The invention belongs to the agriculture chemical compounding field, relate to a kind of Pesticidal combination and application thereof, especially a kind of is the Pesticidal combination and the application thereof of main active with spiral shell worm ethyl ester and indenes worm prestige.
Technical background
In the real process of agricultural production, use chemical agent and be the most effectively means of control plant pest, but be the generation of pest resistance to insecticide by the problem that the chemical control insect is easy to generate most.And long-term use single chemical insecticide continuously high dose, cause a series of problems such as residual, environmental pollution of medicament easily.Reasonably chemical insecticide is composite or be mixed and have the expansion insecticidal spectrum, improve control efficiency, prolong the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay insect evil mite drug resistance and positive characteristics such as drug-fast generation and development, insecticidal/acaricidal agent is composite or to be mixed be one of the effective method the most that addresses the above problem.Exploitation new product insecticide price is constantly soaring, and by contrast, exploitation is efficient with research, low toxicity, low-residual composite be mixed have small investment, the lead time is short and be subjected to domestic and international attention, strengthens the development dynamics one after another.
Spiral shell worm ethyl ester (spirotetramat): commodity are by name: Movento.This insecticide plan was gone on the market in Brazil, Mexico, Colombia, Australia, New Zealand, Tu Erqi, Africa, Holland and Austria successively in 2008 and 2009, and the future market will be above 70 countries.Spiral shell worm ethyl ester has been finished and has been finished global first registration in Tunisia.New pesticides spiral shell worm ethyl ester is the tetronic acid compounds, has unique function Characteristics, is unique so far two-way interior modern insecticide of inhaling conductive performance that has.This compound can upwards move down in the whole plants body, arrives at blade face and bark, thereby control reaches the corticole insect of fruit as on romaine lettuce and the Chinese cabbage internal lobe.The interior absorption of this uniqueness can be protected newborn stem, leaf and root, prevents ovum and the larval growth of insect.Its another characteristics are that the lasting period is long, and the effective control that reached for 8 weeks can be provided.Spiral shell worm ethyl ester high-efficiency broad spectrum can effectively be prevented and treated various suckings pest, as aphid, thrips, wood louse, mealybug, aleyrodid and scale insect etc.Applicable chief crop comprises, cotton, soybean, oranges and tangerines, tropical fruit tree, nut, grape, lupulus, potato and vegetables etc.Studies show that it has good selectivity to important beneficial insect such as ladybug, syrphus fly and parasitic wasp.
Indenes worm prestige, pure product are light yellow liquid, 110 ℃ of boiling points (0.13Pa).Be slightly soluble in water, be soluble in organic solvent commonly used.Industrial goods LD
50358mg/kg.Belong to the asymmetric non-internal-absorting broad spectrum pesticide of ternary, have and tag and stomach poison function, can prevent and treat insect and mite classes such as cotton, vegetables, fruit tree.Application dosage is 16-32 gram/mu in active ingredient to piercing sucking insect and mite class, is 30-80 gram/mu to the chewing type insect, and the antagonism cotton bollworm has special efficacy, and usage amount is a 30-50 gram/mu preparation.Organic phosphor desinsection, miticide that early 1970s appears on the market, available O-ethyl-S-n-pro-pyl phosphoryl chloride phosphorus oxychloride and the reaction of 2-chloro-4-bromophenol are produced.
Summary of the invention
The present invention's pleasantly surprised discovery in the Toxicity Determination experiment, the composite activity that can improve greatly of spiral shell worm ethyl ester and indenes worm prestige to insect, the insect to list agent of spiral shell worm ethyl ester and the single agent generation of indenes worm prestige resistance has higher activity equally.
The present invention realizes by following measures.
A kind of Pesticidal combination, it contains spiral shell worm ethyl ester and indenes worm prestige, and wherein the weight ratio of spiral shell worm ethyl ester and indenes worm prestige is 0.1～70: 0.1～80.
Described Pesticidal combination, wherein the more excellent weight ratio of spiral shell worm ethyl ester and indenes worm prestige is 1～50: 1～50.
Described Pesticidal combination, wherein to accumulate the weight ratio of shared preparation be 2～82% for spiral shell worm ethyl ester and two kinds of active principles of indenes worm prestige.
Described Pesticidal combination, spiral shell worm ethyl ester and indenes worm prestige and auxiliary agent, carrier etc. are processed into any one formulation that allows on the agricultural chemicals.
Described Pesticidal combination is characterized in that the formulation that can be processed into is suspending agent, aqueous emulsion, microemulsion, wetting powder, soluble powder, water dispersible granules and microcapsule formulations etc.
Described Pesticidal combination is used to prevent and treat the sucking pest on the various crop, as lepidoptera pests such as sucking pests such as plant hopper, aphid, scale insect, thrips and rice leaf roller, cabbage caterpillars.
Insecticides with synergistic effect takes following measure to realize:
One of technical scheme of the present invention, described Pesticidal combination are suspending agent, and the percentage by weight of component is:
Spiral shell worm ethyl ester 0.1～70%
Indenes worm prestige 0.1～80%
Dispersant 5～20%
Antifreezing agent 0.5～3%
Thickener 0.1～2%
Defoamer 0.1～0.8%
Water surplus
The concrete production stage of this Pesticidal combination suspending agent is earlier other auxiliary agents to be mixed, mix through high speed shear, add spiral shell worm ethyl ester and indenes worm prestige, abrading-ball is 2～3 hours in ball crusher, make a diameter all below 5mm, make the suspending agent preparation that contains the Pesticidal combination of spiral shell worm ethyl ester and indenes worm prestige of the present invention.
Two of technical scheme of the present invention, described Pesticidal combination are aqueous emulsion, and the percentage by weight of component is:
Spiral shell worm ethyl ester 0.1～70%
Indenes worm prestige 0.1～80%
Emulsifier 3～30%
Solvent 5～15%
Stabilizing agent 2～15%
Antifreezing agent 1～5%
Defoamer 0.1～8%
Thickener 0.2～2%
Water surplus
The concrete production stage of this Pesticidal combination aqueous emulsion is: at first former medicine spiral shell worm ethyl ester is added with emulsifier, cosolvent with indenes worm prestige, solvent and be in the same place, make and be dissolved into uniform oil phase; With part water, antifreeze, other insecticides adjuvant such as antimicrobial mixes into uniform water; When the reactor high speed stirs, oil phase is added water, slowly add water, open clipper and carry out high speed shear, and add remaining water, shear half an hour approximately, form the aqueous emulsion of oil-in-water type until reaching the phase inversion point.Promptly make the aqueous emulsion of the Pesticidal combination that contains spiral shell worm ethyl ester and indenes worm prestige.
Three of technical scheme of the present invention, described Pesticidal combination are microemulsion, and the percentage by weight of component is:
Spiral shell worm ethyl ester 0.1～70%
Indenes worm prestige 0.1～80%
Solvent 1～30%
Emulsifier 3～30%
Stabilizing agent 2～15%
Synergist 2～10%
Water 10～78%
The concrete procedure of processing of this Pesticidal combination microemulsion is: spiral shell worm ethyl ester and the former medicine of indenes worm prestige are added in the solvent, add auxiliary agents such as emulsifier, stabilizing agent and synergist while stirring, at last it is added in the entry and stir, form transparent and homogeneous liquid, promptly get the microemulsion of the present composition.
Four of technical scheme of the present invention, described Pesticidal combination are wetting powder, and the percentage by weight of component is:
Spiral shell worm ethyl ester 0.1～70%
Indenes worm prestige 0.1～80%
Dispersant 3～20%
Wetting agent 3～10%
Filler 10～70%
The concrete procedure of processing of this Pesticidal combination wetting powder is: press above-mentioned prescription with spiral shell worm ethyl ester and indenes worm prestige and dispersant, wetting agent and filler mixing, in stirred tank, evenly stir, behind airslide disintegrating mill, mixing, promptly can be made into the wetting powder of the present composition.
Five of technical scheme of the present invention, described Pesticidal combination are soluble powder, and the percentage by weight of component is:
Spiral shell worm ethyl ester 0.1～70%
Indenes worm prestige 0.1～80%
Dispersant 3～20%
Stabilizing agent 3～10%
Adhesive agent 1～5%
Filler 10～70%
The concrete procedure of processing of this Herbicidal combinations soluble powder is: press above-mentioned prescription with spiral shell worm ethyl ester and indenes worm prestige and dispersant, stabilizing agent, adhesive agent and filler mixing, in stirred tank, evenly stir, behind airslide disintegrating mill, mixing, promptly can be made into the soluble powder of the present composition.
Six of technical scheme of the present invention, described Pesticidal combination are water dispersible granules, and the percentage by weight of component is:
Spiral shell worm ethyl ester 0.1～70%
Indenes worm prestige 0.1～80%
Dispersant 3～20%
Wetting agent 3～10%
Disintegrant 2～5%
Filler 10～70%
The concrete procedure of processing of this Pesticidal combination water dispersible granules is: by above-mentioned prescription spiral shell worm ethyl ester, indenes worm prestige and dispersant, wetting agent, disintegrant and filler are mixed, pulverize with micro jet, through mediating, add then and carry out granulation, drying, screening in the fluidized bed prilling dryer after sample analysis makes the water dispersible granules that contains the Pesticidal combination of spiral shell worm ethyl ester and indenes worm prestige of the present invention.
Seven of technical scheme of the present invention, described Pesticidal combination are microcapsule formulations, and the percentage by weight of component is:
Spiral shell worm ethyl ester 0.1～70%
Indenes worm prestige 0.1～80%
Urea 5～20%
Formaldehyde 5～20%
Emulsifying dispersant 5～20%
Antifreezing agent 1～5%
Thickener 0.1～2%
Defoamer 0.1～0.8%
Water surplus
This Pesticidal combination microcapsule formulations procedure of processing is: add urea and formaldehyde (amount of substance ratio be about 1: 1.5～2.0) in the there-necked flask of agitating device is housed, about pH value to 8～9 with the sodium hydroxide solution regulator solution, be warming up to 70～80 ℃ then, reaction obtains stable urea resin prepolymer.The former medicine of getting a certain amount of spiral shell worm ethyl ester and indenes worm prestige is dissolved in the cyclohexane, and adds emulsifying dispersant in solution, follows vigorous stirring, and being made into the aqueous solution that contains emulsifying dispersant is the O/W type stable emulsion of water.Above-mentioned urea resin prepolymer is added in the emulsion, regulate the pH value, polymerization reaction take place under the acid catalysis condition is wrapped oil phase substance, forms microcapsule granule.Slowly heat up, solidify, temperature is controlled at 40～50 ℃, hardening time 1h.Select to add an amount of auxiliary agent, the microcapsule suspending agent that gets final product stablely.
Described emulsifier is selected from any one or more mixtures formed with arbitrary proportion in calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styryl phenol APEO, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, the polyoxyethylene aliphatic alcohol ether.
Described dispersant is selected from one or more in polycarboxylate, sodium lignin sulfonate, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic acid polyethenoxy ether, polyoxyethylene carboxylate, the fatty acid glyceride APEO.
Described solvent is any one or more mixed solvents formed with arbitrary proportion in dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), the water equal solvent.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, wetting and penetrating agent F, alkylnaphthalene sulfonate, alkylphenol ethoxylate, polyoxyethylene triphenylethylene phosphenylic acid salt, spaonin powder, silkworm excrement, the soapberry powder.
Described synergist is meant to have the medicament of enhancing penetration, wetting extended capability, knock down insect speed, improve the resistance of rainwater washing against power of agricultural chemicals, thereby improve a class safety, environmental protection of agricultural insecticide effect, the New-type adjuvant of nontoxic, noresidue, optional in organic silicon pesticide synergist ZC-650 or organic silicon pesticide bleeding agent spreading agent Agrowet810c, agricultural organic silicon pesticide synergist Silwet408, azone any.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol.
Described antimicrobial is selected from: one or both in Sodium Benzoate, sodium salicylate, the sodium sorbate.
Described stabilizing agent is selected from: a kind of in sodium citrate, resorcinol, the oxirane.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, diethylene glycol (DEG), the triethylene glycol.
Described defoamer is selected from: silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10In aliphatic alcohols compound and the polyoxyethylene glycerol ether one or more.
Described emulsifying dispersant comprises: wetting agent, dispersant, stabilizing agent, thickener, defoamer and antifreezing agent etc.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
The invention has the beneficial effects as follows:
1, the used spiral shell worm ethyl ester of the present invention is the insecticide of new generation that the tetronic acid class has two-way conduction, differs greatly with the organophosphorus insecticides indenes worm prestige mechanism of action, and does not have cross resistance.
2, composite two kinds of insecticide double action mechanism can delay the generation of pest resistance to insecticide.
3, reduced the agricultural chemicals usage amount, strengthened friendly environment.
Embodiment
The different proportioning co-toxicities of spiral shell worm ethyl ester with indenes worm prestige
1.1 reagent agent
The former medicine of 95% spiral shell worm ethyl ester, the former medicine of 67% indenes worm prestige, spiral shell worm ethyl ester and indenes worm prestige different proportion mixture.
1.2 indoor examination worm source
Rice leaf roller system gathers from the field, and supplies to try indoor the raising to 3 ages with rice seedling.Indoor conditions: temperature (25 ± 2) ℃.Relative moisture 65% ± 5%, periodicity of illumination 12/12h (L/D).
1.3 single agent assay method
Adopt rice stem infusion process, take the healthy and strong consistent booting rice strain in mid-term, clean, be cut into the long company's root rice stem of 15cm, drying in the air in the place, cool place does not have washmarking to the surface, standby.According to the preliminary experiment result, with former medicinal small amount of acetone dissolving, be diluted to 5 variable concentrations with 0.1% Tween solution, with the clear water is contrast, place the rice stem of getting ready the soup of variable concentrations to soak 30s respectively, dry slightly after the taking-up, encase root, put into test tube (high 180mm * diameter 18mm) with the rayon balls that soaks with clear water, the criteria for selection unanimity 3 age nymph, put into test tube, 20 of every pipes, the individuality of rejecting mechanical damage, supply 20, seal with wet gauze the upper end, and each concentration repeats 3 times, totally 60.Connecing test tube behind the worm, to put into temperature be that 26 ℃, relative moisture are 70% insectary, checks dead, the borer population of living behind the 48h, calculates lethality, and proofread and correct with the lethality of contrast, asks virulence regression equation, the lethal dose of 50 (LC with probability value analytical method then
50) and correlation coefficient (r).
1.4 the joint toxicity measuring method of different proportionings,
Mix (Crafts) method in proportion and be mixed, m (indenes worm prestige): m (spiral shell worm ethyl ester) was respectively 1: 1, and 2: 1,3: 1,4: 1,5: 1.Adopt above-mentioned 1.3 methods to carry out toxicity test, calculate LC
50, and press the abundant method of Sun Yun and calculate co-toxicity coefficient (CTC).Co-toxicity coefficient CTC, computing formula is as follows: (with spiral shell worm ethyl ester is the standard medicament, and its toxicity index is 100):
The LC of the toxicity index (TI) of indenes worm prestige=spiral shell worm ethyl ester
50The LC of/indenes worm prestige
50* 100
The LC of the actual toxicity index (ATI) of M=spiral shell worm ethyl ester
50The LC of/M
50* 100
The TI of the TI of the theoretical toxicity index (TTI) of M=spiral shell worm ethyl ester * P spiral shell worm ethyl ester+indenes worm prestige * P indenes worm prestige
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula:
M is an indenes worm prestige and the mixture of the different proportionings of spiral shell worm ethyl ester
P indenes worm prestige is indenes worm prestige shared ratio in mixture
P spiral shell worm ethyl ester is spiral shell worm ethyl ester shared ratio in mixture
2.1 toxicity test result
Spiral shell worm ethyl ester, indenes worm prestige are to the indoor measurement result of rice leaf roller
| Handle title | Proportioning | Virulence regression equation (Y=a+bx) | The correlation coefficient r value | LC 50(mg/L) | Co-toxicity coefficient (CTC) |
| Spiral shell worm ethyl ester | - | Y＝0.4497+6.0937x | 0.9717 | 5.69 | - |
| Indenes worm prestige | - | Y＝2.7408+2.142x | 0.9898 | 10.81 | - |
| Indenes worm prestige: spiral shell worm ethyl ester | 1∶1 | Y＝2.4983+3.3836x | 0.9199 | 6.09 | 122.4 |
| Indenes worm prestige: spiral shell worm ethyl ester | 2∶1 | Y＝2.492+3.4384x | 0.9353 | 5.43 | 153.10 |
| Indenes worm prestige: spiral shell worm ethyl ester | 3∶1 | Y＝1.0288+3.1195x | 0.9701 | 19.88 | 177.52 |
| Indenes worm prestige: spiral shell worm ethyl ester | 4∶1 | Y＝2.5052+3.3673x | 0.9154 | 6.20 | 147.67 |
| Indenes worm prestige: spiral shell worm ethyl ester | 5∶1 | Y＝2.4642+3.0969x | 0.9927 | 7.04 | 133.42 |
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient is all greater than 120, show certain synergistic effect, indenes worm prestige wherein: spiral shell worm ethyl ester is that 3: 1 synergistic effect is the most obvious, co-toxicity coefficient is 177.52, and secondly be indenes worm prestige: spiral shell worm ethyl ester is 2: 1, and co-toxicity coefficient is 153.10.Result of the test shows, indenes worm prestige, two kinds of medicaments of spiral shell worm ethyl ester all have higher activity to rice leaf roller under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio indenes worm prestige: spiral shell worm ethyl ester is 1: 1,2: 1,3: 1,4: 1,, all show stronger synergistic effect at 5: 1 o'clock, wherein with indenes worm prestige: spiral shell worm ethyl ester is 2: 1～3: 1 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 3: 1 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
3 field trials control paddy rice rice leaf roller, the oranges and tangerines scale insect.
3.1 field experiment control paddy rice rice leaf roller
3.1.1 test method
Tested on July 13rd, 2009 to July 30 and carry out in Xiangyin, Hunan institute of agricultural sciences experimental field.Tested on July 13rd, 2009 and carry out routine to water spray by each processing design concentration.Spraying equipment is a WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out the routine spraying, makes every effort to evenly thoughtful during the spray medicine.The field rice leaf roller is 1～2 instar larvae peak period during dispenser.Every 667m
2To the water yield is 50kg.
Duration of test weather is good, and daily mean temperature is 19.3～25.3 ℃.Dispenser did not have rain the same day.
3.1.2 investigation method
By 5 point samplings, every sub-district 20m
2, every sub-district is 5 samplings at random, investigate 5 clumps, totally 25 clumps at every.Before dispenser and after the dispenser the 7th, 15d investigates whole blades of 25 clumps respectively, wins all the old and new worms bags, the residual borer population alive of stripping bag record then.
3.1.3 drug effect computational methods
Insect population insect population radix * 100 before rate (%)=(dispenser before insect population radix-dispenser after residual borer population alive)/dispenser of going down
Preventive effect (%)=(check plot worm amount-treatment region worm amount)/check plot worm amount * 100
3.1.4 poisoning investigation method
It is good that the sub-district paddy growth is respectively handled in the duration of test observation, all finds no the poisoning phenomenon and take place.
3.2 field control effectiveness test result of the test
Table 2 is handled chemical control paddy rice rice leaf roller field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to the paddy rice rice leaf roller all is better than contrasting medicament behind the medicine, 7.5% indenes worm prestige+2.5% spiral shell worm ethyl ester is respectively 88.45%, 91.40% and 95.22% at 15 days insecticidal effect behind medicine, and insecticidal effect increases progressively along with the increase of consumption.According to field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and poisoning phenomenon to paddy rice all do not occur, illustrates that it is safe to rice crop.In process of the test, testing crew finds that it also has favorable effect to insects such as rice hoppers, advises that the insecticide different with the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
4.1 field experiment control cotton aphid
4.1 test method
4.1.1 application method
Respectively spray medicine 1 time in cotton cotton buds and bolls phase and cotton aphid emergence period, arrange each sub-district district's group at random, and each sub-district water consumption is pressed 300kg/hm
2Calculate, cotton plant is carried out from bottom to up even spraying with the common manual sprayer.Stay the wide guard row of 1m between the sub-district, dispenser on May 12 in 2009, this day is fine, 26.3 ℃ of mean temperature of air, humidity 62%, the wind speed at 10 o'clock in the morning is 2m/s, visibility 5km.
4.1.2 investigation method
Transfer 5 samplings in every sub-district before the spray medicine, fix 2 strains at every, every strain is listed and is fixed 2 the aphid blade is arranged, and investigation aphid insect population radix, behind the spray medicine 1,3,7d investigates the residual borer population on each sub-district index blade, calculates go down rate and proofread and correct the insect population rate that goes down of insect population in view of the above.
4.1.3 drug effect computational methods
Insect population borer population * 100 of living before rate (%)=(borer population of living after borer population one dispenser of living before the dispenser)/dispenser of going down
Preventive effect (%)=(the treatment region insect population rate of going down-check plot insect population go down rate)/(100-according to district's insect population go down rate) * 100
4.1.4 poisoning investigation method
Continuous 10d range estimation medicament does not have poisoning to produce to the target crop after the dispenser, and cotton growth is good.
4.2 field control effectiveness test result of the test
Table 3 is handled chemical control cotton aphid field control effectiveness test result
As can be seen from Table 3, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to cotton aphid all is better than contrasting medicament behind the medicine, 7.5% indenes worm prestige+2.5% spiral shell worm ethyl ester is respectively 91.70%, 95.12% and 97.46% at 7 days insecticidal effect behind second medicine, and insecticidal effect increases progressively along with the increase of consumption.According to field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and poisoning phenomenon to cotton all do not occur, illustrates that it is safe to cotton crop.In process of the test, testing crew finds that it also has favorable effect to insects such as cotton bollworms, advises that the insecticide different with the mechanism of action mixes to use delaying the generation of pest resistance to insecticide, respectively sprays medicine in cotton cotton buds and bolls phase and cotton aphid emergence period and prevents and treats for 1 time.
To sum up twice field experiment result is described; the present invention contains the Pesticidal combination of indenes worm prestige and spiral shell worm ethyl ester; to the paddy rice rice leaf roller; insects such as cotton aphid show good control efficiency; to the target crop safety; compare with single agent; Pesticidal combination of the present invention has mechanism of action uniqueness; quick-acting is good; the advantage of lasting period long (lasting period through field experiment checking spiral shell worm ethyl ester can reach about 50 days); so; in research and development of the present invention and popularization the important social meaning is arranged; can produce very big economic worth, to the peasant household of vast paddy rice and cotton growing area get rich and the protection of local ecotope has crucial meaning.
Claims (5)
1. Pesticidal combination, it is characterized in that: contain spiral shell worm ethyl ester and two kinds of active components of indenes worm prestige, wherein the weight ratio of spiral shell worm ethyl ester and indenes worm prestige is 0.1～70: 0.1～80;
2. Pesticidal combination according to claim 1 is characterized in that: the more excellent weight ratio of spiral shell worm ethyl ester and indenes worm prestige is 1～50: 1～50;
3. Pesticidal combination according to claim 1 is characterized in that: the percentage by weight that spiral shell worm ethyl ester and indenes worm prestige are accumulated shared preparation is 2～82%;
4. Pesticidal combination according to claim 1 is characterized in that: spiral shell worm ethyl ester and indenes worm prestige and auxiliary agent and cosolvent are re-dubbed any one formulation that allows on the agricultural chemicals;
5. Pesticidal combination according to claim 4 is characterized in that: the formulation that can be processed into is suspending agent, aqueous emulsion, microemulsion, wetting powder, soluble powder, water dispersible granules and microcapsule formulations etc.
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| CN102715152A (en) * | 2012-06-29 | 2012-10-10 | 联保作物科技有限公司 | Indoxacarb microemulsion and preparation method of indoxacarb microemulsion |
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| CN103493809A (en) * | 2012-06-12 | 2014-01-08 | 永农生物科学有限公司 | Compounded pesticide composition containing spirodiclofen and chromafenozide and preparations thereof |
| CN108522532A (en) * | 2018-07-18 | 2018-09-14 | 滁州学院 | A kind of Pesticidal combination containing guadipyr and spiral shell worm ethyl ester |
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| CN102578121A (en) * | 2011-12-19 | 2012-07-18 | 河南金田地农化有限责任公司 | Pesticide insecticidal and acaricidal composition containing spiroteramat |
| CN102578121B (en) * | 2011-12-19 | 2014-09-24 | 河南金田地农化有限责任公司 | Pesticide insecticidal and acaricidal composition containing spiroteramat |
| CN102524283A (en) * | 2012-01-13 | 2012-07-04 | 广东中迅农科股份有限公司 | Indoxacarb microcapsule suspension and preparation method thereof |
| CN102696651A (en) * | 2012-06-12 | 2012-10-03 | 永农生物科学有限公司 | Spirodiclofen-containing compound pesticidal composition and preparation thereof |
| CN103493812A (en) * | 2012-06-12 | 2014-01-08 | 永农生物科学有限公司 | Compounded pesticide composition containing spirodiclofen and pyridalyl and preparations thereof |
| CN103493816A (en) * | 2012-06-12 | 2014-01-08 | 永农生物科学有限公司 | Compounded pesticide composition containing spirodiclofen and chlorantraniliprole and preparations thereof |
| CN103493809A (en) * | 2012-06-12 | 2014-01-08 | 永农生物科学有限公司 | Compounded pesticide composition containing spirodiclofen and chromafenozide and preparations thereof |
| CN103493816B (en) * | 2012-06-12 | 2015-06-17 | 永农生物科学有限公司 | Compounded pesticide composition containing spirodiclofen and chlorantraniliprole and preparations thereof |
| CN102715152A (en) * | 2012-06-29 | 2012-10-10 | 联保作物科技有限公司 | Indoxacarb microemulsion and preparation method of indoxacarb microemulsion |
| CN102715152B (en) * | 2012-06-29 | 2014-02-26 | 联保作物科技有限公司 | Indoxacarb microemulsion and preparation method of indoxacarb microemulsion |
| CN108522532A (en) * | 2018-07-18 | 2018-09-14 | 滁州学院 | A kind of Pesticidal combination containing guadipyr and spiral shell worm ethyl ester |
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