CN102165955A - High-efficiency environment-friendly pesticidal composition containing biological pesticide and diacylhydrazine pesticide - Google Patents
High-efficiency environment-friendly pesticidal composition containing biological pesticide and diacylhydrazine pesticide Download PDFInfo
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- CN102165955A CN102165955A CN2011100582028A CN201110058202A CN102165955A CN 102165955 A CN102165955 A CN 102165955A CN 2011100582028 A CN2011100582028 A CN 2011100582028A CN 201110058202 A CN201110058202 A CN 201110058202A CN 102165955 A CN102165955 A CN 102165955A
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- pesticidal combination
- pesticide
- lepimectin
- worm hydrazides
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Abstract
The invention relates to a pesticidal composition in the field of pesticide compounding, which contains effective ingredients of biological pesticide lepimectin and diacylhydrazine pesticide that are blended, wherein the weight percentage of the two effective ingredients is 0.1-50:75-1, and preferably 0.1-25:30-1; the total mass percentage of content of the effective ingredients in the pesticidal composition is 1% to 80% and preferably 1% to 30%, the balance is auxiliary elements which are allowed to be used and acceptable in the pesticide, and the pesticidal composition can be prepared into missible oil, a suspending agent, wettable powder, water dispersible granules, emulsion in water and microemulsion by using a known method; and the pesticidal composition taking the biological pesticide lepimectin and the diacylhydrazine pesticide as the effective ingredients has remarkable control effect in preventing and controlling lepidoptera insects such as diamondback moth, spodoptera exigua, spodoptera libra, heliothis armigera, chilo suppressalis and mealybug, and homopteran pests with sucking mouth parts such as plant hopper, aphid, aleyrodid and leafhopper.
Description
Technical field
The present invention relates to the agriculture chemical compounding technical field, it is two yuan of Pesticidal combinations that are mixed of active ingredient with biopesticide lepimectin and bishydrazide compounds that tool relates to a kind of.
Background technology
Biopesticide lepimectin is the derivative that is total to mibemycin (milbemycin) A3/A4 of company's discovery by Japan three, be used for vegetables and fruit such as wild cabbage, tomato, oranges and tangerines, strawberry and grape as novel pesticide, mainly prevent and treat insects such as Lepidoptera and Homoptera.This medical instrument has the insecticidal activity height, and dosage is few, and free from environmental pollution to the person poultry safety, selectivity is strong, does not injure natural enemy, also is difficult for producing characteristics such as resistance, can use by turns with avermectins, in case Avermectin produces resistance.Therefore it is called as one of insecticide of the most promising wide spectrum at present, efficient, novel no cross resistance.Structural formula is:
The bishydrazide insecticide mainly comprises worm hydrazides, methoxyfenozide, chlorine worm hydrazides, ring worm hydrazides, presses down food hydrazine etc., they have the essentially identical mechanism of action and characteristic, main by moulting hormone 20-hydroxyecdysone as moulting hormone antagonist or simulation insect, cause that insect casts off a skin in advance, cause casting off a skin and to finish, insect can not continue to get food, and is dead after several days.Difference mainly is the height of insecticidal activity, and amount that each other can be certain produces similar effects than replacement.Such medicament selectivity is strong, lepidoptera pests such as cotton bollworm, cabbage caterpillar, diamond-back moth there is good control efficiency, safe for human and animal and environment, being applicable to the Lepidoptera class pest on the crops such as control vegetables, tea tree, fruit tree, ornamental plants and paddy rice, is selective insecticide comparatively desirable in the integrated control.But this insecticides quick-acting is poor, and when using separately, insect is easy to generate pesticide resistance.
In recent years, because single drug and the medication of non-science have caused many insects that the agricultural chemicals of current use has been produced resistance,, become a great problem of chemical control as diamond-back moth, cotton bollworm etc.Simultaneously, frequent dispenser causes peasant burden to increase the weight of and increasing environmental pollution again.Therefore, efficiently, the new combination of insecticide of low toxicity, environmental protection just becomes a main flow direction of pesticide field research.Based on this, our research staff in constantly a large amount of tests the unexpected biopesticide lepimectin of discovery and bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, encircle that one of any binary built all has fine synergistic effect in the worm hydrazides, and low toxicity, environmental protection, and this classification agriculture chemical compounding is not seen relevant report.
Summary of the invention
Based on above background, the present invention proposes a kind of new insecticides: said composition contains two kinds of active components of A, B, component A is selected from biopesticide lepimectin, and B component is selected from bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, the ring worm hydrazides one of any.
Of the present inventionly contain one or two yuan of any composite Pesticidal combination in A biopesticide lepimectin and B bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, the ring worm hydrazides, the percentage by weight of effective active composition A and B is 0.1～50: 75～1.
Of the present inventionly contain one or two yuan of any composite Pesticidal combination in A biopesticide lepimectin and B bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, the ring worm hydrazides, the percentage by weight of effective active composition A and B is preferably 0.1～25: 30～1.
It is one of key character of the present invention that two kinds of active components of A, B are re-dubbed new compositions according to a certain percentage, and another feature is that described to contain the formulation that one of any composite Pesticidal combination can be made in biopesticide lepimectin and bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, the ring worm hydrazides be missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
Of the present inventionly contain one or two yuan of any composite Pesticidal combination in A biopesticide lepimectin and B bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, the ring worm hydrazides, the gross mass content of two kinds of active components of A, B in preparation is 1%-80%, preferred 1%-30%; All the other are usual auxiliaries in the agricultural chemicals.
Pesticidal combination of the present invention has obvious synergistic effect, can reduce effective ingredient consumption, reduce cost, delay the generation of pest resistance to insecticide, effectively reduce environmental pollution and residue of pesticide, when Homoptera suckings pest such as lepidopterous insects such as control diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, mealybug class and plant hopper, aphid, aleyrodid, leafhopper, has remarkable result.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to these examples absolutely not.The following stated only is the present invention embodiment preferably, only is used to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of being made within the spirit and principles in the present invention, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
Component A is selected from biopesticide lepimectin in the embodiment, and B component is selected from bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, the ring worm hydrazides one of any.
The formulation embodiment:
One of technical scheme of the present invention, described Pesticidal combination are cream preparation, and the mass percent of component is:
Effective constituents A 0.1～50%
Active ingredient B 1～75%
Conventional emulsifier 10～30%
Conventional solvent 20～50%
Conventional synergist 1～5%
The concrete production stage of this cream preparation adds emulsifier, the synergist back that stirs after the dissolving fully again and becomes the oily liquids of transparent and homogeneous for earlier effective constituents A, B being added in the solvent, and can promptly can be made into the cream preparation of the present composition.
Two of technical scheme of the present invention, described Pesticidal combination are suspending agent, and the percentage by weight of component is:
Effective constituents A 0.1～50%
Active ingredient B 1～75%
Dispersant 5～20%
Antifreezing agent 1～5%
Thickener 0.1～2%
Defoamer 0.1～0.8%
Penetrating agent 0～10%
PH value conditioning agent 0.1～5%
Water surplus
The concrete production stage of this suspending agent is earlier other auxiliary agents to be mixed, and mixes through high speed shear, adds effective constituents A, B or C, and abrading-ball is 2～3 hours in ball crusher, makes a diameter all below 5mm, promptly can be made into the suspending agent preparation of the present composition.
Three of technical scheme of the present invention, described Pesticidal combination is a wetting powder, the percentage by weight of component is:
Effective constituents A 0.1～50%
Active ingredient B 1～75%
Dispersant 3～10%
Wetting agent 1～5%
The filler surplus
The concrete production stage of this wetting powder is: by above-mentioned prescription effective constituents A, B and dispersant, wetting agent and filler are mixed, in stirred tank, evenly stir, behind airslide disintegrating mill, mixing, promptly can be made into the wetting powder of the present composition.
Four of technical scheme of the present invention, described Pesticidal combination are water dispersible granules, and the percentage by weight of component is:
Effective constituents A 0.1～50%,
Active ingredient B 1～75%
Dispersant 3～10%
Wetting agent 1～10%
Disintegrant 1～5%
The filler surplus
The concrete production stage of this water dispersible granules is: by above-mentioned prescription effective constituents A, B 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, promptly can be made into the water dispersible granules of the present composition.
Five of technical scheme of the present invention, described Pesticidal combination are aqueous emulsion, and the percentage by weight of component is:
Effective constituents A 0.1～50%
Active ingredient B 1～75%
Emulsifier 3～30%
Solvent 5～15%
Antimicrobial 0.1～1%
Stabilizing agent 2～15%
Antifreezing agent 2～5%
Defoamer 0.1～8%
Thickener 0.2～2%
Water surplus
The concrete production stage of this aqueous emulsion is: at first former medicine A is added with B, solvent and emulsifier, cosolvent 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 can be made into the aqueous emulsion of the present composition.
Six of technical scheme of the present invention, when described Pesticidal combination was microemulsion, the percentage by weight of component was:
Effective constituents A 0.1～50%
Active ingredient B 1～75%
Emulsifier 10～30%
Antifreezing agent 1～8%
Stabilizing agent 0.5～10%
Conventional solvent cosolvent 20～50%
The concrete production stage of this microemulsion is: former medicine A, B are dissolved fully with cosolvent, add other compositions such as emulsifier, antifreezing agent stabilizing agent again, evenly mix, add entry at last, can be made into microemulsion after fully stirring.
Emulsifier is alkylbenzene naphthalene sulfonate, alkylphenol polyoxyethylene phosphate, diphenyl phenol polyethenoxy polyethenoxy ether, styrenated phenol APEO, alkylphenol polyoxyethylene formaldehyde condensation products, diphenyl phenol polyethenoxy polyformaldehyde condensation product, castor oil ethylene oxide adduct and derivative thereof, for example farming breast 300, farming breast 500, farming breast 600, Nongru-700, agricultural newborn Sorpl KS, OX2511, NNO, NP series etc., emulsifier can be one or more mixture
Dispersant has one or several the mixture in lignosulfonates, fatty acid amide N methyl taurine sodium salt, alkylphenol polyoxyethylene sulphate, lignosulfite, fatty acid ester sulphate, polyoxyethylene polyoxypropylene block copolymer, alkylphenol polyoxyethylene, the fatty alcohol-polyoxyethylene ether.
Wetting agent is one or several the mixture in fatty acid amide N methyl taurine sodium salt, lignosulfonates, alkylphenol polyoxyethylene sulphate, petroleum sodium sulfonate, alkylnaphthalene sulfonate, fatty acid ester sulphate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, lignosulfite, the withered powder of tea, the spaonin powder.
Thickener is one or more the mixture in CMC, polyvinyl alcohol, xanthans, gum Arabic, sodium alginate, polyvinylpyrrolidone, bentonite, aluminium-magnesium silicate, the gypsum.
Penetrating agent is one or both the mixture among Laurocapram, the JFC.
Defoamer can be one or more the mixture in organic silicone oil, methyl alcohol, ethanol, the epoxidized soybean oil.
Antifreezing agent is one or more the mixture in ethylene glycol, propane diols, glycerine, polyethylene glycol, the sorbierite.
PH value conditioning agent is one or more the mixture in sodium hydroxide, potassium hydroxide, ammoniacal liquor, hydrochloric acid, acetic acid, phosphoric acid or the citric acid.
Solvent and cosolvent have one or more the mixture in water, methyl alcohol, ethanol, butanols, ethylene glycol, propane diols, glycerine, polyethylene glycol, acetone, cyclohexanone, pyrrolidones, toluene, dimethylbenzene, ethyl acetate, dimethyl formamide (DMF), the dimethyl sulfoxide (DMSO) (DMSO).
Disintegrant can be one or more the mixture in urea, magnesium chloride, aluminium chloride, sodium chloride, ammonium sulfate, the bentonite.
Carrier is one or more the mixture in kaolin, diatomite, atlapulgite, white carbon black, clay, precipitated calcium carbonate, talcum powder, the montmorillonite.
Indoor biometrics screening and field experiment:
The method that the present invention adopts indoor bioassay and field trial to combine goes to prove the synergistic effect of the present composition.If no special instructions, the ratio of below mentioning (comprising percentage) all is a mass ratio.
Determination of activity example 1:
(1) test medicine
The former medicine of 85%lepimectin, the former medicine of 95% worm hydrazides, above-mentioned former medicine provides by sea, Qingdao research and development centre of rel medicine company group.
Earlier with the former medicine of acetone solution, according to the result of preliminary experiment two an amount of former medicines are made into 5 different proportionings, it is stand-by with acetone each processing to be diluted to 5 series concentration gradients respectively again.
(2) test target
The indoor beet armyworm of for many generations raising, indoor conditions: temperature (26 ± 2) o C.Relative moisture 70% ± 5%, periodicity of illumination 16/8h (L/D).
(3) test method
The drop method that adopts NY/T1154.1-2006 to recommend is measured.With micro-dropper solvent clean, regulate dropper to stand-by state.Choose the examination worm of neat and consistent with writing brush and use CO
2Slight anesthesia is placed in the 9cm culture dish, then with micro-dropper medicament is pursued the polypide belly of a drop in the examination worm, and every some drops physic liquor 0.1L contains the contrast that is treated to of corresponding acetone with drop 0.1L.It is normally to cultivate in 65% the culturing room that examination worm behind the drop is transferred to (26 ± 2) ℃, relative moisture respectively.Every processing 4 times repeats, and whenever repeats to try 120 of worms, 480 of every processing examination worms.
(4) data statistics and analysis
Handle back 24h investigation examination worm death condition (judging that for examination worm death standard be gently to sting no autonomic response with pin), write down total borer population and dead borer population.
According to survey data, calculate the corrected mortality that each is handled.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T 1154.7-2006.If contrast lethality＜5% is not proofreaied and correct; The contrast lethality by formula 2 is proofreaied and correct between 5%～20%; Contrast lethality＞20%, test need be reformed.
Logarithm value with drug concentration (mg/L) is independent variable X, is dependent variable Y with the probit value of corrected mortality, sets up the virulence regression equation formula respectively, adopts DPS software to calculate the LC of single agent and each proportioning mixture
50And mixture co-toxicity coefficient, relatively synergy situation.Calculate LC
50Calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun.Co-toxicity coefficient CTC, computing formula is as follows: (with A biopesticide lepimectin is the standard medicament, and its toxicity index is 100):
The LC of the toxicity index of B (TI)=A
50The LC of/B
50* 100
The LC of actual toxicity index (ATI)=A of M
50The LC of/M
50* 100
TI * PB of TI * PA+B of theoretical toxicity index (TTI)=A of M
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula:
M is B and the mixture of the different proportionings of A
PB is B shared ratio in mixture
PA amine is A shared ratio in mixture
(5) toxicity test result and analysis
Table 1 lepimectin, worm hydrazides are to the indoor measurement result of beet armyworm
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein lepimectin all greater than 120: the worm hydrazides is that 3: 15 synergistic effect is the most obvious, and co-toxicity coefficient is 139.49.Result of the test shows, lepimectin, two kinds of medicaments of worm hydrazides all have higher activity to beet armyworm under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio lepimectin: the worm hydrazides is when diluting respectively, all show stronger synergistic effect, wherein with lepimectin: the worm hydrazides is 3: 15 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 3: 15 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 2:
(1) experiment reagent agent
The former medicine of 85%lepimectin, 90% methoxyfenozide, the equal Qingdao of above-mentioned former medicine sea rel medicine company group provides.
(2) test target
The indoor beet armyworm of for many generations raising, indoor conditions: temperature (26 ± 2) o C.Relative moisture 70% ± 5%, periodicity of illumination 16/8h (L/D).
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 2 lepimectin, methoxyfenozide are to the indoor measurement result of beet armyworm
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein lepimectin all greater than 120: methoxyfenozide is that 5: 13 synergistic effect is the most obvious, and co-toxicity coefficient is 154.48.Result of the test shows, lepimectin, two kinds of medicaments of methoxyfenozide all have higher activity to beet armyworm under indoor conditions, the result of the test of different proportion proportioning shows, in active ingredient ratio lepimectin: methoxyfenozide is when diluting respectively, all show stronger synergistic effect, wherein with lepimectin: methoxyfenozide is 5: 13 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 5: 13 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Determination of activity example 3:
(1) experiment reagent agent
The former medicine of 85%lepimectin, the former medicine of 90% ring worm hydrazides, the equal Qingdao of above-mentioned former medicine sea rel medicine company group provides.
(2) test target
The indoor diamond-back moth of for many generations raising, indoor conditions: temperature (26 ± 2) o C.Relative moisture 70% ± 5%, periodicity of illumination 16/8h (L/D).
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 3 lepimectin, ring worm hydrazides are to the indoor measurement result of diamond-back moth
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein lepimectin all greater than 120: ring worm hydrazides is that 2: 6 synergistic effect is the most obvious, and co-toxicity coefficient is 139.78.Result of the test shows, lepimectin, two kinds of medicaments of ring worm hydrazides all have higher activity to diamond-back moth under indoor conditions, the result of the test of different proportion proportioning shows, by active ingredient lepimectin: ring worm hydrazides is 1: 7,2: 6,3: 5,4: 4,5: 3 o'clock, all show stronger synergistic effect, wherein with lepimectin: ring worm hydrazides is 2: 6 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 2: 6 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
Test example 1: field experiment control diamond-back moth
(1) test method
Test is sprayed medicine 1 time altogether, and the dispenser date is June 23.Wild cabbage this moment balling not as yet.The diamondback moth larvae major part was in for 2～3 length of times.Weather is cloudy calm during the spray medicine.With the agricultural board level pressure of profit knapsack hand sprayer each is handled even spraying, leave dual sides all requires to be sprayed with the effect soup.Every sub-district soup 2L.
(2) investigation method
Investigate each sub-district and fix 15 strain wild cabbages as the investigation strain. write down the larva quantity on whole blades.Investigate the insect population radix before spraying medicine, respectively 3,7 days and investigation in 10 days borer population alive behind the spray medicine.This test is investigated 4 times altogether.
(3) drug effect computational methods
The insect population borer population * 100 that lives before rate (%)=(borer population of living after borer population one dispenser of living before the dispenser)/dispenser that goes 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) poisoning investigation method
Continuous 10d range estimation medicament does not have poisoning to produce the wild cabbage well-grown to crop after the dispenser.
(5) field control effectiveness test result of the test
Table 4 is handled chemical control diamond-back moth field control effectiveness test result
As can be seen from Table 4, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to the wild cabbage diamond-back moth all is better than contrasting medicament behind the medicine, 3%lepimectin: 15% methoxyfenozide behind medicine 10 days, insecticidal effect is respectively 88.19%, 90.63% and 92.76%, and insecticidal effect increases along with the increase of consumption, and difference reaches extremely remarkable between each consumption processing insecticidal effect.According to field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and poisoning phenomenon to wild cabbage all do not occur, illustrates that it is safe to wild cabbage.In process of the test, testing crew finds that it also has favorable effect to insects such as trialeurodes vaporariorums.Advise that the insecticide different with the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
Test example 2 field experiments control beet armyworm
(1) test method
Tested on October 8th, 2010 to October 18 and carry out at Kaiping City, Guangdong Province suburb truck garden.Tested on October 8th, 2010 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 beet armyworm is 1～2 instar larvae peak period during dispenser.Every 667m
2To the water yield is 70kg.
Duration of test weather is good, and daily mean temperature is 18.5～27.9 ℃.Dispenser fine day on the same day.
(2) control time and method
Before dispenser, press 5 samplings of diagonal, every wild cabbage 2～3 strains (deciding) of choosing beet armyworm ovum and larva on insect density in every sub-district.Statistics is demarcated beet exigua larvae head number in the strain. with this as dispenser before the insect population radix.In after the dispenser the 3rd, 7,10d investigates the beet exigua larvae number of deciding residual survival in the strain respectively. go down rate as control efficiency to proofread and correct insect population.
(3) drug effect computational methods
(4) poisoning investigation method
Duration of test is observed and is respectively handled sub-district wild cabbage well-grown, all finds no the poisoning phenomenon and takes place.
(5) field control effectiveness test result of the test
Table 5 is handled chemical control wild cabbage beet armyworm field control effectiveness test result
As can be seen from Table 5, the Mixed Pharmacy of different proportion carries out field experiment by different consumptions, its control efficiency to the wild cabbage beet armyworm all is better than contrasting medicament behind the medicine, 3%lepimectin: 15% worm hydrazides control beet armyworm quick-acting is fast, and efficiency time is long, and control efficiency is good.10 days insecticidal effect reaches 88.95%, 91.32%, 93.23% respectively behind medicine, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication is handled does not all have poisoning to wild cabbage, finds that it also has the better prevention effect to insects such as diamond-back moths simultaneously yet.Suggestion was grasped at beet exigua larvae before 3 ages in dispenser period, required even spraying during dispenser, the positive and negative of leaf even medicine, advise that the medicament different with other mechanisms of action is used alternatingly, to delay the generation of pest resistance to insecticide.
Table 6 is handled chemical control wild cabbage beet armyworm field control effectiveness test result
As can be seen from Table 6, the Mixed Pharmacy of different proportion carries out field experiment by different consumptions, its control efficiency to the wild cabbage beet armyworm all is better than contrasting medicament behind the medicine, 2%lepimectin: 6% chlorine worm hydrazides control beet armyworm quick-acting is fast, and efficiency time is long, and control efficiency is good.10 days insecticidal effect reaches 89.31%, 91.89%, 93.47% respectively behind medicine, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication is handled does not all have poisoning to wild cabbage, finds that it also has the better prevention effect to insects such as diamond-back moths simultaneously yet.Suggestion was grasped at beet exigua larvae before 3 ages in dispenser period, required even spraying during dispenser, the positive and negative of leaf even medicine, advise that the medicament different with other mechanisms of action is used alternatingly, to delay the generation of pest resistance to insecticide.
To sum up result of the test is described, the present invention contains biopesticide lepimectin and is selected from bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, one or two yuan of any composite Pesticidal combination in the ring worm hydrazides, insects such as beet armyworm and little noctuid are shown good control efficiency, to the target crop safety, compare with single agent, Pesticidal combination of the present invention has mechanism of action uniqueness, the unit administration amount is few, quick-acting is good, the advantage that lasting period is long, so, in research and development of the present invention and popularization the important social meaning is arranged, can produce very big economic benefit, promote the peasant's of vast vegetables main producing region increasing both production and income,, the potentiality that vigorously promote the use are arranged agricultural product and Environmental security.
Claims (8)
1. an agricultural insecticide composition is characterized in that: with biopesticide lepimectin(A) be that active ingredient is carried out two yuan and is mixed with (B) being selected from one of any in bishydrazide insecticide worm hydrazides, methoxyfenozide, chlorine worm hydrazides, the ring worm hydrazides.
2. Pesticidal combination according to claim 1 is characterized in that: the percentage by weight of active components A and B is 0.1～50: 75～1.
3. Pesticidal combination according to claim 1 is characterized in that: the percentage by weight of active components A and B is 0.1～25: 30～1.
4. Pesticidal combination according to claim 1 is characterized in that: active components A and the B gross weight percentage composition in preparation is 1%-80%.
5. Pesticidal combination according to claim 1 is characterized in that: active components A and the B gross weight percentage composition in preparation is 1%-30%.
6. Pesticidal combination according to claim 1 is characterized in that: the formulation that Pesticidal combination of the present invention can be prepared according to the known method of those skilled in the art of the present technique is missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
7. Pesticidal combination according to claim 1 is characterized in that: Pesticidal combination of the present invention is mainly used in control lepidopterous insects and Homoptera sucking pest.
8. Pesticidal combination according to claim 7, it is characterized in that: the lepidopterous insects that Pesticidal combination of the present invention is used to prevent and treat is mainly diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, mealybug class, and the Homoptera sucking pest is mainly plant hopper, aphid, aleyrodid, leafhopper.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210911A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Chromafenozide micron emulsion and preparation method thereof |
| CN103210912A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Chromafenozide water dispersion granule and preparation method thereof |
| CN103210908A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Chromafenozide suspending agent and preparation method thereof |
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| CN1112119A (en) * | 1994-04-01 | 1995-11-22 | 三共株式会社 | 13-substituted milbemycin derivatives, their preparation and use |
| CN101878766A (en) * | 2010-07-02 | 2010-11-10 | 陕西上格之路生物科学有限公司 | Pesticidal composition containing methoxyfenozide and biogenic pesticide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112119A (en) * | 1994-04-01 | 1995-11-22 | 三共株式会社 | 13-substituted milbemycin derivatives, their preparation and use |
| CN101878766A (en) * | 2010-07-02 | 2010-11-10 | 陕西上格之路生物科学有限公司 | Pesticidal composition containing methoxyfenozide and biogenic pesticide |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210911A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Chromafenozide micron emulsion and preparation method thereof |
| CN103210912A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Chromafenozide water dispersion granule and preparation method thereof |
| CN103210908A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Chromafenozide suspending agent and preparation method thereof |
| CN103210912B (en) * | 2013-03-24 | 2016-04-27 | 广东中迅农科股份有限公司 | Ring worm hydrazides water dispersible granules and preparation method thereof |
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