CN102165954A - Efficient environment-friendly pesticide composition containing biopesticide - Google Patents
Efficient environment-friendly pesticide composition containing biopesticide Download PDFInfo
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Abstract
The invention relates to a pesticide composition in the field of pesticide preparation. An active ingredient of the pesticide composition is biopesticide lepimectin which is mixed with an amide pesticide serving as an active ingredient; the weight percentage ratio of the two active ingredients is (0.1-50): (75-1), preferably (0.1-25): (30-1); the total content of the active ingredients in the pesticide composition in percentage by mass is 1-80%, preferably 1-30%; other components are allowed and acceptable auxiliary components in pesticides; the pesticide composition can be prepared into missible oil, suspending agents, wettable powder, water dispersible granules, emulsion in water and microemulsion by a known method; and the pesticide composition taking the biopesticide lepimectin and amide pesticide as active ingredients is obviously effective in preventing and controlling Lepidoptera insects such as plutella xylostella, beet armyworm, prodenia litura, cotton bollworm, chilo suppressalis, mealybug and the like as well as homoptera piercing-sucking mouthpart pests such as plant hoppers, aphids, aleyrodids, leafhoppers and the like.
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 amides compound 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 amide-type insecticide mainly comprises Rynaxypyr, bromine worm benzamide, fipronil bisamide, chlorine insect amide, flonicamid, their mechanism of action is basic identical, mainly be to activate blue Buddhist nun's alkali acceptor, discharge the calcium ion of storing in smooth muscle and the striated muscle cell, cause that the muscle adjusting is weak, paralysis is until last insect death.This active ingredient shows mammal and the extremely significant selective difference of the blue Buddhist nun's alkali of insect acceptor, has improved greatly mammal and other vertebrate safeties.The O-formammidotiazol-benzamide insecticide all has excellent control effect to lepidopterous Noctuidae, Pyralidae, moth fruit moth section, tortricid, miller section, diamond-back moth section, Gracilariidae etc., can also control multiple non-lepidoptera pests such as coleoptera Culculionidae, Chrysomelidae, diptera Agromyzidae, Bemisia tabaci.Larva is had very outstanding preventive effect, and shortcoming is limited to the adult control efficiency, does not have ovicidal action, and interior suction conduction is not strong.
Long-term use a kind of insecticide, insect is easy to generate pesticide resistance, and the insecticide consumption is increased, and the natural enemy of a large amount of kill pests increases the desinsection cost, contaminated environment, cause high poison, consumption big, residual many, drug effect is poor.It is unexpected that biopesticide lepimectin and the two yuan of composite preparations of benzamide insecticides found can solve above problem in inventor's test, and consumption is few, the preventive effect height, and biopesticide is environmental protection more, and this classification agriculture chemical compounding is not seen relevant report.
Summary of the invention
Based on above situation, in order to satisfy the needs of pesticide producing, make full use of two kinds of active components be mixed the synergistic effect that produced, improve preventive effect, reduce agricultural cost and delay the generation of pest resistance to insecticide, 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 amide-type insecticide Rynaxypyr, bromine worm benzamide, fipronil bisamide, chlorine insect amide, the flonicamid one of any.
Describedly contain one or two yuan of any composite Pesticidal combination in A biopesticide lepimectin and B amide-type insecticide Rynaxypyr, bromine worm benzamide, fipronil bisamide, chlorine insect amide, the flonicamid, the percentage by weight of effective active composition A and B is 0.1～50: 75～1.
Describedly contain one or two yuan of any composite Pesticidal combination in A biopesticide lepimectin and B amide-type insecticide Rynaxypyr, bromine worm benzamide, fipronil bisamide, chlorine insect amide, the flonicamid, 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 amide-type insecticide Rynaxypyr, bromine worm benzamide, fipronil bisamide, chlorine insect amide, the flonicamid be missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
Describedly contain one or two yuan of any composite Pesticidal combination in biopesticide lepimectin and amide-type insecticide Rynaxypyr, bromine worm benzamide, fipronil bisamide, chlorine insect amide, the flonicamid, 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, preventive effect is remarkable 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.
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 following embodiment, and B component is selected from Rynaxypyr, bromine worm benzamide, fipronil bisamide, chlorine insect amide, the flonicamid one of any.
The formulation embodiment:
One 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 0.1～75%
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.
Two 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 0.1～75%
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.
Three 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 0.1～75%
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.
Four 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 0.1～75%
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.
Five 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 0.1～75%
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.
Six 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 0.1～75%
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.
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 96% Rynaxypyr, 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
Rice hoppers.With the brown plant-hopper is tested object.The worm kind is taken from Zhao Dian town, Gaoqing County Da Lu village paddy field, and is many for artificial feeding in the insectary, select healthy consistent 4～5 age nymph, standby.
(3) test method
The drop method that adopts NY/T 1154.1-2006 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 lepimecti, Rynaxypyr are to the indoor measurement result of rice hoppers
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein lepimecti all greater than 120: Rynaxypyr is that 3: 15 synergistic effect is the most obvious, and co-toxicity coefficient is 142.46.Result of the test shows that lepimecti, two kinds of medicaments of Rynaxypyr all have higher activity to wheat aphid under indoor conditions, and the result of the test of different proportion proportioning shows, in active ingredient ratio lepimecti: Rynaxypyr is 1: 17; 3: 15; 5: 13; 7: 11; When respectively diluting all show stronger synergistic effect at 9: 9, wherein with lepimecti: Rynaxypyr 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, 98% bromine worm benzamide, 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, bromine worm benzamide 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: bromine worm benzamide is that 3: 12 synergistic effect is the most obvious, and co-toxicity coefficient is 134.21.Result of the test shows, lepimectin, two kinds of medicaments of bromine worm benzamide 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: bromine worm benzamide is when diluting respectively, all show stronger synergistic effect, wherein with lepimectin: bromine worm benzamide is 3: 12 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 3: 12 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, 96% fipronil bisamide, the equal Qingdao of above-mentioned former medicine sea rel medicine company group provides.
(2) test target
Rice leaf roller.With the rice leaf roller is tested object.The worm kind is taken from Zhao Dian town, Gaoqing County Da Lu village paddy field, and is many for artificial feeding in the insectary, select healthy consistent 4～5 age nymph, standby.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 3 lepimectin, fipronil bisamide are to the indoor measurement result of rice leaf roller
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: fipronil bisamide is that 3: 15 synergistic effect is the most obvious, and co-toxicity coefficient is 149.74.Result of the test shows, lepimectin, two kinds of medicaments of fipronil bisamide 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 lepimectin: fipronil bisamide is when diluting respectively, all show stronger synergistic effect, wherein with lepimectin: fipronil bisamide 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 4:
(1) experiment reagent agent
The former medicine of 85%lepimectin, 96% flonicamid, the equal Qingdao of above-mentioned former medicine sea rel medicine company group provides.
(2) test target
Rice leaf roller.With the rice leaf roller is tested object.The worm kind is taken from Zhao Dian town, Gaoqing County Da Lu village paddy field, and is many for artificial feeding in the insectary, select healthy consistent 4～5 age nymph, standby.
Experimental technique is with determination of activity example 1
(3) toxicity test result and analysis:
Table 4 lepimectin, flonicamid are to the indoor measurement result of rice leaf roller
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: flonicamid is that 3: 15 synergistic effect is the most obvious, and co-toxicity coefficient is 147.30.Result of the test shows, lepimectin, two kinds of medicaments of flonicamid 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 lepimectin: flonicamid is when diluting respectively, all show stronger synergistic effect, wherein with lepimectin: flonicamid 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.
Field experiment example 1: field trial control rice leaf roller
(1) test method
Test is carried out in the double cropping rice field in Luo Wan village, journey market town, Jianli County, Jingzhou City, Hubei Province, and experimental field soil is loam, middle fertility, and irrigation and drainage are convenient, all plant double cropping rice all around.For the rice is doing well before the rice medication of trying the water.The minizone builds the little mud ridge in case string is irritated, and there is 3～4cm shoaling layer in the field during dispenser, water conservation 7d behind the medicine, and test is indulged low age nymph occurrence in peak period (September 4) medication in afternoon 1 time four (2) for rice, to water 50kg/hm
2, with the evenly thick spraying of workers and peasants 16 type knapsack hand sprayers, this moment, paddy rice was in grouting mid-term, and 1～3 age nymph account for 90%.Dispenser was fine the same day, 29.5 ℃ of mean temperature of air; 7d does not all have rain behind the medicine, and weather does not have influence substantially to this test.
(2) control time and method
Investigate altogether 5 times, (September 4) investigation insect population radix before the medicine, 2d behind the medicine (September 6), 7d behind the medicine (September 11), 21d (September 25) investigates respectively 1 time behind 14d behind the medicine (September 18) and the medicine.Take parallel great-jump-forward random sampling 15 points in every sub-district, 2 clumps every, totally 30 clumps of rice are write down the borer population alive of rice leaf roller respectively with the basin method of clapping, and calculate it then and proofread and correct preventive effect (hereinafter to be referred as preventive effect).
(3) drug effect computational methods
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
Behind medicine 2,7,14,21d observes the paddy growth situation, and the range estimation medicament does not all have poisoning to paddy rice.
(5) field control effectiveness test result of the test
Table 5 is handled chemical control rice leaf roller field control effectiveness test result
As can be seen from Table 5, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to rice leaf roller all is better than contrasting medicament behind the medicine, 2%lepimectin+15% fipronil bisamide insecticidal effect of 21 days behind medicine is respectively 89.78%, 92.03% and 94.12%, 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 paddy rice.In process of the test, testing crew finds that it also has fine control efficiency 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.
Field experiment example 2: field experiment is prevented and treated rice hoppers
(1) test method
Test is carried out in the double cropping rice field in Luo Wan village, journey market town, Jianli County, Jingzhou City, Hubei Province, and experimental field soil is loam, middle fertility, and irrigation and drainage are convenient, all plant double cropping rice all around.For the rice is doing well before the rice medication of trying the water.The minizone builds the little mud ridge in case string is irritated, and there is 3～4cm shoaling layer in the field during dispenser, and water conservation 7d behind the medicine tests four (2) for rice fulgorid low age nymph occurrence in peak period (September 4) medication in afternoon 1 time, to water 50kg/hm
2, with the evenly thick spraying of workers and peasants 16 type knapsack hand sprayers, the time paddy rice be in grouting mid-term, the field is mainly white-backed planthopper, is small brown rice planthopper secondly, and 1～3 age nymph account for 90%.Dispenser was fine the same day, 29.5 ℃ of mean temperature of air; 7d does not all have rain behind the medicine, and weather does not have influence substantially to this test.
(2) investigation method
Investigate altogether 5 times, (September 4) investigation insect population radix before the medicine, 2d behind the medicine (September 6), 7d behind the medicine (September 11), 21d (September 25) investigates respectively 1 time behind 14d behind the medicine (September 18) and the medicine.Take parallel great-jump-forward random sampling 15 points in every sub-district, 2 clumps every, totally 30 clumps of rice are write down the borer population alive of white-backed planthopper, small brown rice planthopper respectively with the basin method of clapping, and calculate it then and proofread and correct preventive effect (hereinafter to be referred as preventive effect).
(3) drug effect computational methods
(4) poisoning investigation method
Behind medicine 2,7,14,21d observes the paddy growth situation, and the range estimation medicament does not all have poisoning to paddy rice.
(5) field control effectiveness test result of the test
Table 6 is handled chemical control rice hoppers field control effectiveness test result
As can be seen from Table 6, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to rice hoppers all is better than contrasting medicament behind the medicine, 2%lepimectin+15% Rynaxypyr insecticidal effect of 10 days behind medicine is respectively 89.37%, 91.68% and 93.69%, 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 paddy rice.
To sum up result of the test checking several times, the present invention contains lepimectin and amide-type Rynaxypyr, bromine worm benzamide, fipronil bisamide, the chlorine insect amide, any one or two yuan of composite Pesticidal combination in the flonicamid, the control plant hopper, aphid, aleyrodid, Homoptera suckings pest such as leafhopper reach diamond-back moth, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, preventive effect is remarkable during lepidopterous insects such as mealybug class, to the target crop safety, compare with single agent, Pesticidal combination of the present invention has mechanism of action uniqueness, consumption is few, and quick-acting is good, lasting period is long, the advantage of environmental protection.So, in research and development of the present invention and popularization the important social meaning is arranged, can produce very big economic benefit.
Claims (7)
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 amide-type insecticide Rynaxypyr, bromine worm benzamide, fipronil bisamide, chlorine insect amide, the flonicamid.
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: effective constituents A and the B gross weight percentage composition in preparation is 1%-80%.
5. Pesticidal combination according to claim 1 is characterized in that: effective constituents A and the B gross mass percentage composition in preparation is preferably 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 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100581932A CN102165954A (en) | 2011-03-11 | 2011-03-11 | Efficient environment-friendly pesticide composition containing biopesticide |
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| CN2011100581932A CN102165954A (en) | 2011-03-11 | 2011-03-11 | Efficient environment-friendly pesticide composition containing biopesticide |
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| CN2011100581932A Pending CN102165954A (en) | 2011-03-11 | 2011-03-11 | Efficient environment-friendly pesticide composition containing biopesticide |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102349504A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Flonicamid-containing ultralow volume liquid agent |
| CN103503875A (en) * | 2012-06-28 | 2014-01-15 | 陕西美邦农药有限公司 | Efficient pesticide combination containing bromine benzamide |
| CN104255780A (en) * | 2014-09-09 | 2015-01-07 | 青岛润鑫伟业科贸有限公司 | Effective pesticide containing sulfoxaflor, flubendiamide, chlorpyrifos and biopesticide lepimectin |
| CN104286019A (en) * | 2014-09-30 | 2015-01-21 | 青岛康合伟业商贸有限公司 | Efficient insecticide containing spinetoram, biological pesticide-lepimectin, chlorpyrifos and spirotetramat |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101700024A (en) * | 2009-08-01 | 2010-05-05 | 深圳诺普信农化股份有限公司 | Synergistic pesticide composition and application thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101700024A (en) * | 2009-08-01 | 2010-05-05 | 深圳诺普信农化股份有限公司 | Synergistic pesticide composition and application thereof |
Non-Patent Citations (1)
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| 胡萍: "生物杀虫剂-lepimectin", 《世界农药》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102349504A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Flonicamid-containing ultralow volume liquid agent |
| CN102349504B (en) * | 2011-09-13 | 2013-09-11 | 广西田园生化股份有限公司 | Flonicamid-containing ultralow volume liquid agent |
| CN103503875A (en) * | 2012-06-28 | 2014-01-15 | 陕西美邦农药有限公司 | Efficient pesticide combination containing bromine benzamide |
| CN104255780A (en) * | 2014-09-09 | 2015-01-07 | 青岛润鑫伟业科贸有限公司 | Effective pesticide containing sulfoxaflor, flubendiamide, chlorpyrifos and biopesticide lepimectin |
| CN104286019A (en) * | 2014-09-30 | 2015-01-21 | 青岛康合伟业商贸有限公司 | Efficient insecticide containing spinetoram, biological pesticide-lepimectin, chlorpyrifos and spirotetramat |
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Application publication date: 20110831 |