CN101779643A - Compound pesticide - Google Patents
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- CN101779643A CN101779643A CN201010122200A CN201010122200A CN101779643A CN 101779643 A CN101779643 A CN 101779643A CN 201010122200 A CN201010122200 A CN 201010122200A CN 201010122200 A CN201010122200 A CN 201010122200A CN 101779643 A CN101779643 A CN 101779643A
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Abstract
The invention provides a compound pesticide, which relates to a pesticide, and in particular to a pesticide for preventing and curing Chilosuppressalis, Cnaphalocrocismedinalis, Nilaparvata lugens Stal, etc. The effective components of the pesticide are chlorantraniliprole and ivermectin, and the content of the chlorantraniliprole in the compound pesticide is larger than or equal to that of the ivermectin in the compound pesticide. The pesticide has the advantages of good pesticide effect, safety and low cost.
Description
Technical field
The present invention relates to a kind of insecticide, relate in particular to the insecticide of control striped rice borer, rice leaf roller and brown planthopper etc.
Background technology
Striped rice borer is a kind of of Pyralidae insect.The popular name borer, borer, moth stalk worm etc.China distribution north reaches the Keshan County, Heilungkiang, reaches Hainan Island in the south.It is insect pest of rice.Larva moth food stem stalk causes the withered heart or dead ears.
Rice leaf roller is commonly called as tortrix moth, white leaf worm, scrapes leaf worm, bract worm etc., belongs to the Lepidoptera Pyralidae, is a kind of migratory pest, and widely distributed, all there is generation in each rice district of China, is one of insect pest of rice.Newly hatched larvae is got the food lobus cardiacus, syringe needle shape point occurs, increase age, weave silk and sew rice leaf both sides leaf margin with worm, vertical leaf roll sheet becomes cylindric worm bud, larva is hidden oneself and gnaws mesophyll in it, stays the epidermis streak that is white in color, and influences paddy rice and grows, reduce thousand kernel weight, criticizing paddy increases, and the general underproduction 10%～20% reaches more than 60% when serious.
Brown planthopper belongs to Homoptera, Delphacidae, and (Homoptera:Delphacidae), another name: brown back rice plant hopper, it is a kind of migratory pest, in recent years in China's rice district large tracts of land outburst.
The chemical agent control is the main means of prevention of above-mentioned paddy rice primary pest.
Being mixed of different pesticide species is the common methods of the agriculture resistant insect of control.By the formulation of pesticide screening, filter out rational prescription, can effectively improve actual control efficiency, reduce dosage, reduce cost, delay the generation of pest resistance to insecticide, be the important means of the insect comprehensive regulation.Name is called the Pesticidal combination that contains emamectin-benzoate and Rynaxypyr, and number of patent application is the control paddy rice rice leaf roller method that is mixed that 200910038978.6 Chinese patent application discloses emamectin-benzoate and Rynaxypyr.Its control paddy rice rice leaf roller effect is better.But such scheme fails to prove that rice leaf roller, brown planthopper, striped rice borer are had control efficiency simultaneously.Application number is 200910095703.6, and the Chinese patent application that name is called ivermectin and chlorpyrifos mixture agricultural chemicals discloses the method that is used to prevent and treat insects such as rice leaf roller on the paddy rice, brown planthopper, striped rice borer with this medicine.
Summary of the invention
Good drug efficacy, safety, lower-cost Recompounded pesticide have been the purpose of this invention is to provide.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of Recompounded pesticide, its active ingredient are Rynaxypyr and ivermectin.
Rynaxypyr and ivermectin do not have report at present as yet as Recompounded pesticide, and prior art does not have its combination yet and possesses safety, cost technology low, strong drug action is enlightened.
Preferred as such scheme, the content of Rynaxypyr is more than or equal to the content of ivermectin in the described Recompounded pesticide.
Preferred as such scheme, the proportioning of Rynaxypyr and ivermectin is 1.5～5 in the described Recompounded pesticide.
Another kind as such scheme is preferred, and the proportioning of Rynaxypyr and ivermectin is 1～1.3 in the described Recompounded pesticide.
Preferred as such scheme, total percentage composition of Rynaxypyr and ivermectin is 1～4% in the Recompounded pesticide, more preferably 1.5～3%.
Preferred as such scheme, the content of Rynaxypyr is 0.5-15%, the content of ivermectin is 0.4-5.0%.
Preferred as such scheme, the content of Rynaxypyr is 0.6-10%, the content of ivermectin is 0.6-4.0%.
Preferred as such scheme, the content of Rynaxypyr is 0.5-2.5%, the content of ivermectin is 0.5-2.5%.
Described ivermectin and Rynaxypyr Recompounded pesticide, according to its purposes, can be processed into multiple formulation: missible oil (former medicine+solvent+emulsifier), water dispersible granules (former medicine, bleeding agent, diffusant, wetting agent, binding agent, filler etc.), its composite production technology and usual auxiliaries all belong to existing known technology.
Can make used additives in the described Recompounded pesticide, they can be various auxiliary agents commonly used in the pesticidal preparations processing such as solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, PH conditioning agent, defoamer, antifreezing agent, deionized water, filler, and concrete composition and consumption require to determine by simple test according to prescription.
The production technology of the various application forms of this Recompounded pesticide all belongs to existing known technology.
Ivermectin is the Avermectin that produced by Avid kyowamycin (streptomyces avermitilis) the fermentation derivative through semi-synthetic generation, belongs to macrolides multicomponent antibiotic.Comparing Avermectin has higher insecticidal activity, bigger safe range and is difficult for making insect to develop immunity to drugs.Its mechanism of action is the release that increases the inhibitory transmitter aminobutyric acid (GABA) of polypide, and the Cl ion channel of opening glutamic acid control, strengthen the permeability of neu to Cl, thereby the transmission of block nerves signal, final neural paralysis, make muscle cell lose contractility, and cause polypide death.
Rynaxypyr has been obtained all certificates of agriculture chemical registration sales applications, can large scale application.The chemical constitution of Rynaxypyr has the brand-new desinsection principle that other any insecticide does not possess, and can efficiently activate insect ryania (muscle) acceptor.Excessively discharge the calcium ion in the intracellular calcium store, cause the insect paralysis dead, active high to the larva of lepidoptera pest, insecticidal spectrum is wide, and lasting effect is good.According to present result of the test the specific activity other products of target pest is exceeded 10～100 times. and can cause some lepidopterous insects mating process disorder, studies have shown that it can reduce the spawning rate of multiple noctuidae pests, because its lasting effect is good and the biological property of resistance of rainwater washing against, these characteristics are actually permeability, conductivity, chemical stability, high insecticidal activity and cause insect to stop to get the comprehensive embodiment of effects such as food immediately.Therefore determined it to have longer and more stable and to the protective effect of crop at other insecticide of usefulness than the present overwhelming majority.It can protect paddy growth rapidly, has especially had the insect of resistance that special efficacy is more arranged to other paddy rice insecticide, as rice leaf roller, striped rice borer, paddy stem borer, pink rice borer, rice gall midge, Lissorhoptrus oryzophilus Kuschel, rice water weevil is also had good control efficiency.Its belongs to little poison level, and personnel are as safe as a house to dispenser, and is also as safe as a house to the useful insect in rice field, fishes and shrimps.Lasting period can reach more than 15 days, and the agricultural product noresidue is influenced.
Embodiment
This embodiment only is an explanation of the invention; it is not a limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as all are subjected to the protection of Patent Law in claim scope of the present invention.
The technology source and the effect of this Recompounded pesticide are as follows:
One, the different proportionings of Rynaxypyr ivermectin mixed agent are to the evaluation of pesticide effectiveness of striped rice borer 4-5 instar larvae
The different proportionings of table 1 Rynaxypyr ivermectin mixed agent are to the evaluation of pesticide effectiveness result of striped rice borer 4～5 instar larvaes
| Mixed agent total content (%) | Rynaxypyr content (%) | Ivermectin content (%) | Test liquid dose (mg/L) | Examination borer population (head) | Dead borer population (head) | Lethality (%) |
| ??1.5 | ??0.5 | ??1.0 | ??15.0000??7.5000 | ??42??40 | ??42??38 | ??100.0??95.0 |
| ??4.2 | ??0.2 | ??4.0 | ??42.0000??21.0000 | ??42??40 | ??42??38 | ??100.0??100.0 |
| ??3.0 | ??1.5 | ??1.5 | ??30.0000??15.0000 | ??40??42 | ??36??34 | ??90.0??81.0 |
| ??CK | ??40 | ??4 | ??10.0 |
Find out that from the Preliminary screening of above-mentioned mixed agent content total content is that 1.5% or 3.0% drug effect is all comparatively suitable.Rynaxypyr is single with being mu effective ingredient 2g on producing, agricultural chemicals mu cost is a 15-16 unit, and ivermectin mu effective ingredient 1.0-1.5g is under the prerequisite of considering insecticidal effect, should reduce the mu consumption of Rynaxypyr, to reach the purpose that reduces mixed agent mu cost price.So the mixed agent total content is best with 1.5%, as the processing formulation of product after considering, as colloidal suspending agent etc., the proportioning of mu content 3.0% also can.
Two, the different proportionings of Rynaxypyr ivermectin mixed agent are measured the co-toxicity coefficient of striped rice borer 4-5 instar larvae
In the first tenday period of a month in May light lure a large amount of striped rice borer of the collection adult that survives the winter, the hatching of in foster worm garden, laying eggs on the rice seedling, (support worm garden plant feel worm kind TN1), during the larva raising about temperature 18-30 ℃, many sunny weather.Present withered sheath in 5 months, after the last ten-days period, the hatching of large quantities of pieces of an egg was caused harm, occur the withered heart by the end of May, mid-June, larvae development to 4 is about age, extracts rice seedling and strips out healthy larva and be equipped with test and use in indoor.
Test medicine: Rynaxypyr 96.45% former powder, ivermectin is 90% former powder, provides by Zhejiang Shenghua Biok Biology Co., Ltd..
Solvent: Rynaxypyr adopts N.N-dimethyl formamide (D.M.F) to make solvent, adds emulsifier and is configured to 10% missible oil; Ivermectin is also made solvent with D.M.F, and adding emulsifier, to be configured to 5% missible oil standby.
Blank (CK): adopt D.M.F3000 times of liquid (33.3mg/L) to make blank.
The dosage of Rynaxypyr is provided with 5 geometric ratio dosage 5.0000-80.0000mg/L, and the dosage of ivermectin is set to 5 geometric ratio dosage 0.6250-10.0000mg/L.Blank D.M.F is 33.3mg/L, proportioning such as table 2.
Table 2 Rynaxypyr ivermectin mixture is mixed with 5 different proportionings of 3.0% concentration
| Medicament and proportioning (%) | Rynaxypyr (%) | Ivermectin (%) | Ratio |
| 3.0% Rynaxypyr ivermectin mixture 1 (0.5+2.5) | ??0.5 | ??2.5 | ??1∶5.0 |
| Medicament and proportioning (%) | Rynaxypyr (%) | Ivermectin (%) | Ratio |
| 3.0% Rynaxypyr ivermectin mixture 2 (1.0+2.0) | ??1.0 | ??2.0 | ??1∶2.0 |
| 3.0% Rynaxypyr ivermectin mixture 3 (1.5+1.5) | ??1.5 | ??1.5 | ??1∶1.0 |
| 3.0% Rynaxypyr ivermectin mixture 4 (2.0+1.0) | ??2.0 | ??1.0 | ??1∶0.5 |
| 3.0% Rynaxypyr ivermectin mixture 5 (2.5+0.5) | ??2.5 | ??0.5 | ??1∶0.2 |
Each agricultural chemicals and mixture amount proportioning test are provided with five series concentration, and each concentration is provided with four repetitions.About 10 of each reprocessing striped rice borer 4-5 instar larvaes.
Test method: with reference to the agricultural industry criteria NY/T of the People's Republic of China (PRC) 1154.7～2006.Adopt dip method.Cover with nylon gauze with two logical one of glass-tube (long 8cm diameter 3cm), to choose in the pipe with writing brush for about 10 of Chilo spp larvaes of examination, the hand-held mouth of pipe immerses in the soup for preparing concentration and soaks 5-6 second, taking-up is placed on absorption body surface solution on the blotting paper with polypide, again polypide is chosen to put into writing brush short rice straw (TN1 rice varieties is housed, shooting stage rice straw 3-4cm is long, 8-10 props up) do in the plastic bowl of feed, mouth covers preservative film, and it is some to prick last aperture, stick the liquor strength label, put raise 48 hours with black out place (temperature 23-28 ℃) after, check dead, the borer population of living.Calculate lethality and corrected mortality.
Trying worm the same day of pesticide species and mixture is provided with the 3000 times of liquid of corresponding organic solvent (D.F.M) do not contain agricultural chemicals and makes blank.Processing method is the same.
Result of the test such as table 3
Table 3 Rynaxypyr ivermectin mixture is to the toxicity test of striped rice borer table as a result
As seen from the above table, in the proportioning 1～5 of 3.0% Rynaxypyr ivermectin mixed agent, 1～2 co-toxicity coefficient has produced antagonism less than 100, and 1～3 co-toxicity coefficient has synergistic effect preferably all greater than 120.Wherein the co-toxicity coefficient of proportioning 3 reaches 144.3, can be used as optimization of C and selects.
Three, the field control effectiveness test of 25 gram/kilogram Rynaxypyr ivermectin mixed agents control striped rice borer
The subjects of this test is rice-stem borer (Chilo suppressalia);
Trial crops: early rice, kind are 22 days middle morning.Tillering stage.
Test arrangement is in China Paddy Rice Inst proving ground B district, and area is 2.5 mu between the experimental field, is cement ridge, gravity irrigation, soil clay loam, medium fertility.
Rice varieties is an early rice, 22 days middle morning, and March 24 sowing, April 24 transplanted, and transplant and used 20 kilograms in weed killer herbicide (field grass light) and urea in back 6 days, not use of insecticide and bactericide later on, paddy growth is normal.
25 gram/kilogram Rynaxypyr ivermectins dosage the missible oil that is mixed, the former powder of 96.45% Rynaxypyr and the former powder autogamy of 90% ivermectin that provide by distillation Bai Ke Biological Co., Ltd..
The contrast medicament: 200 gram/kilogram Rynaxypyr colloidal suspending agents are du pont company production, and the plain missible oil of 20 gram/kilogram Yi Wei is by former powder autogamy.
Dosing and numbering
The experimental design of table 4 reagent agent
Arrange the sub-district:
1, arrange the sub-district: the sub-district of test medicine, contrast medicament and blank is treated to systematic arrangement.
Is 2, sub-district area and repetition: the sub-district area 30m2 (5? m) the minizone low bank of earth between fields repeats 3 times.
3, application method
With mu water consumption 50kg conversion, with MH-16 type manual sprayer spray medicine, the dispenser date is May 27, and paddy rice is tillering stage.Chilo spp larvae is in withered sheath peak period (larva 1-2 age).On to the medication 6 days dispenser same day, weather is fine with occasional clouds, and 18～28 ℃ of temperature rained heavily behind the medicine in 7 days, 14 days, and all the other weather are fine day till investigating withered heart rate to June 15,22～31 ℃ of temperature.During 18 days, the field all keeps shoaling layer to the medicine in medication, and paddy growth is normal.
Investigation method: medication is (June 15) after 18 days, and Chilo spp larvae was grown to 5 ages, when the withered heart of paddy rice that causes of causing harm is basicly stable, carries out withered heart rate investigation.
Investigate withered heart rate, adopt parallel jump sampling method, the withered calculation in 50 clumps of rice strains is investigated in the 5 clumps of rice strains of every of 10 point (row) row of taking a sample of promptly every sub-district altogether.Be converted to hundred clumps of withered calculations of rice.
The tiller number of 5 clumps of rice of every sub-district random searching, conversion are total strain number of hundred clumps of rice, calculate the withered heart rate of every sub-district.
In withered calculation investigation, observe the growing state of paddy rice, have or not poisoning or other degree of impairment.
The result finds out from table 5: 25 gram/kilogram Rynaxypyr ivermectin mixed agents, and mu restrains with 100, and average withered heart rate is 0.48%, and control efficiency is 96.7%; All the control efficiency than the single agent of two contrasts is good.
25 gram/kilogram Rynaxypyr ivermectin mixed agent mus restrain with 100, the content of Rynaxypyr is 1 gram, comparison is 2 grams according to medicament 20 gram/kilogram Rynaxypyr mus with 10 content that restrain, and for this reason, the comparison of mixed agent mu with medicament pesticide cost will reduce by 20～30% according to medicament.
Mixed agent and two single agent applying areas, paddy growth is normal, and no symptom of chemical damage takes place.
The field efficacy of table 5:25 gram/kilogram Rynaxypyr ivermectin mixed agent control striped rice borer
Four, the field control effectiveness test report of 20 gram/kilogram Rynaxypyr ivermectin mixed agents control rice leaf roller
Test objective
Test 20 gram/kilogram Rynaxypyr ivermectin mixed agents (missible oil) reach the safety to paddy rice to the field control effect of rice leaf roller, suitable consumption, for applying of this product provides foundation.
Condition
Test object: rice leaf roller (Cnaphalocrocis medinalis)
Trial crops: middle Zhejiang excellent No. 1 (hybrid rice) tillering stage
Environmental condition:
Test arrangement is in China Paddy Rice Inst proving ground B district, and area is 2.5 mu between the experimental field, is cement ridge, gravity irrigation, soil clay earth, medium fertility.
Rice varieties is excellent No. 1 of Zhejiang in the hybrid rice, sowing on June 3, and June 26 transplanted, and transplanting specification is 25 * 20 centimetres, the 1-2 strain of every cave.Transplant and used 15 kilograms in weed killer herbicide (field grass light) and urea in back 7 days, not use of insecticide and microbial inoculum later on, paddy growth is normal.
Experimental scheme and arrangement
Medicament
3.1.1 test medicine: 20 gram/kilogram Rynaxypyr ivermectin mixed agent missible oil are made into missible oil certainly by former powder of 96.45% Rynaxypyr and the former powder of 90% ivermectin that distillation Bai Ke Biological Co., Ltd. provides respectively.
The contrast medicament: 100 gram/kilogram Rynaxypyrs and 50 gram/kilogram ivermectins are both former powder autogamys.
Dosing and numbering
The experimental design of table 6 reagent agent
| Handle numbering | Medicament | Amount of formulation (gram/mu) | Active ingredient (gram/kilogram) |
| ??1 | 20 gram/kilogram Rynaxypyr ivermectins (1.0+1.0%) | ??80 | ??24 |
| ??2 | 100 gram/kilogram Rynaxypyr missible oil | ??20 | ??30 |
| ??3 | 50 gram/kilogram ivermectin missible oil | ??20 | ??15 |
| ??4 | Blank |
3.2 arrange the sub-district
3.2.1 sub-district row: the sub-district of test medicine, contrast medicament and blank is treated to systematic arrangement.
3.2.2 sub-district area and repetition: the sub-district area be 30m2 (5 * 6m), repeat 3 times.
3.3 application method
By every mu of water consumption 50kg conversion, with MH-16 type manual sprayer, the dispenser date is July 18, and paddy rice is tillering stage.Rice leaf roller larval phase in the rice field, is neat, is 1-2 length of time, and the rice blade tip curls about one cun long.Medication was fine the same day, 24～38 ℃ of temperature.
Be the high temperature fine day medication same day (July 18) to the 5th day (July 22), and be heavy rain 7 days (July 24) after the medication, is cloudy and moderate rain weather afterwards.
Medication is to medication during 7 days, and the dispenser rice field all keeps shoaling layer, does not use other medicaments and fertilizer.4 days (July 21), 10 days (July 27) are respectively investigated insect pest situation once after medication.
3.4 investigation method
Divide the sub-district into two five equilibriums, investigate 1/2 area of sub-district at every turn.Adopt parallel skip philosophy, 5 points are investigated in every sub-district, 5 clumps of paddy rice of every some investigation, investigate 25 clumps of paddy rice altogether, win all leaf rolls of investigation rice strain, put into plastic sack, indicate area code, at the leaf roll number of each sub-district of indoor counting and the borer population of living, converting is that hundred clumps of volume numbers of sheets and hundred clumps of borer populations alive carry out statistical analysis again, as table 7.
During each the investigation, every sub-district is counted the total green number of blade of 2 clumps of paddy rice at random, more than 10 points of whole district's investigation, asks average leaf (greenery) the sheet number of calculating every clump of paddy rice.
When investigation, observe the growing state of paddy rice, have or not poisoning or other degree of impairments.
4 interpretations of result
4.120 gram/kilogram Rynaxypyr ivermectin (1.0+1.0%) missible oil, mu restrains with 80, the leaf roll control efficiency of 10 days investigation prevention rice leaf roller is 90.0% behind the medicine, being higher than 100 gram/kilogram Rynaxypyr mus restrains with 20, close with 50 gram/kilogram ivermectin mus with the leaf roll control efficiency of 20 grams, the worm that the lives rate three of going down, differ not remarkable.
4.220 the mu drug cost of gram/kilogram Rynaxypyr ivermectin mixed agent is than the drug cost of the two single agent lower slightly 10～15%.
4.3 field investigation shows that after three medicament dispensers, paddy growth is normal, no symptom of chemical damage takes place.
Table 7:20 gram/kilogram Rynaxypyr ivermectin mixed agent is to the field control result of rice leaf roller
Five, 3.0% Rynaxypyr ivermectin (1.5+1.5%) is to the biological activity determination of brown planthopper
1 experimental condition
1.1 for trying target: brown planthopper (Nilaparvata lugens) nymph in 2～3 age.
1.2 raising situation: gather the brown planthopper in field from field, Fuyang, be put in the many generation backs of captive breeding (chamber planting sense worm kind TN1) in the greenhouse rice strain.Gather adult in June, 2009 and insert the rice strain and lay eggs, after the seedling of will laying eggs put into little dependent insect cage raising, standby during nymphal development to 2～3 ages.
1.3 instrument and equipment: balance, graduated cylinder, recorder jar etc.
2 experimental scheme
2.1 reagent
2.1.1 test medicine: former powder of 96.45% Rynaxypyr and the former powder of 90% ivermectin provide by Zhejiang Shenghua Biok Biology Co., Ltd..
2.1.2 medicament preparation: adopt N.N-dimethyl formamide (D.M.F) to make solvent, add emulsifier, be configured to 10% Rynaxypyr missible oil and 5% ivermectin missible oil.Concentration ratio by Rynaxypyr 1.5% and ivermectin 1.5% is mixed with 3.0% Rynaxypyr ivermectin mixture; With two single agent medicament in contrast.
2.1.3 blank (CK): adopt D.M.F3000 times of liquid (33.3mg/L) to make blank.
2.2 test is handled
2.2.1 dosage setting
According to preliminary experiment, nymph dead 90% and about 20% dosage: it is 3.1250-25.0000mg/L that Rynaxypyr is provided with 5 geometric ratio dosage, and the dosage of ivermectin is set to 5 geometric ratio dosage 0.0625-1.0000mg/L.3.0% Rynaxypyr ivermectin (1.5%+1.5%) mixture is set to 5 geometric ratio dosage 0.9375-15.0000mg/L; Blank D.M.F is 33.3mg/L.
2.2.2 test repeats
Each agricultural chemicals and mixture amount proportioning test are arranged to series concentration, and each concentration is provided with 4 repetitions.Each reprocessing brown planthopper 2-3 nymph in age 10-50 head.
3 test methods
With reference to the agricultural industry criteria NY/T of the People's Republic of China (PRC) 1154.7～2006.Adopt dipping plant method.Promptly about test is previous month, will feel worm kind TN1 rice seedling and transplant in little plastic basin, when test with basin in the yellow leaf of rice seedling divest, cut off the first half of rice leaf, the strain of reservation 2-3 strain rice is standby in the basin.
The soup for preparing is filled with long graduated cylinder, to soak 5-10 second in the soup that immersion prepares of the rice seedling in the basin, cover on outside the rice seedling with shrouding for a short time of making of plastic film again, draw brown planthopper 2-3 nymph in age 10-20 head with pooter and put into cover, the gauze overspread of using suitable for reading sticks the liquor strength label.Connect worm and check about half an hour, with on the water surface dead, hinder worm and reject.Put raise 24 hours with black out place (temperature 23-28 ℃) after, check dead, the borer population of living.Calculate lethality and corrected mortality.
The 3000 times of liquid processing of corresponding organic solvent (D.F.M) that do not contain agricultural chemicals are set simultaneously make blank.Processing method is the same.
4 data statistics and analysis
The check result of each chemicals treatment is in subordinate list 8.
Test data machine DPS software systems is as calculated handled, and obtains the LC of each medicament
50, LC
95, toxicity regression line, correlation coefficient and 95% confidence interval.
Subordinate list 8:3.0% Rynaxypyr ivermectin (1.5%+1.5%) is to the evaluation of pesticide effectiveness of brown planthopper 2-3 nymph in age
Interpretation of result and conclusion
Test result analysis such as table 9.
Table 9:13.0% Rynaxypyr ivermectin (1.5%+1.5%) is to the biological activity determination analysis result of brown planthopper 2-3 nymph in age
| Medicament | ??LC50(mg/L) | The toxicity regression line | 95% confidence interval | ??LC95(mg/L) |
| 3.0% Rynaxypyr ivermectin | ??2.5106 | ??Y＝4.2577+1.7566x | ??2.0881-2.9316 | ??21.6846 |
| 10% Rynaxypyr | ??85.6268 | ??Y＝2.1638+1.4675x | ??33.6146-1308.574??7 | ??1130.9495 |
| 5% ivermectin | ??0.5838 | ??Y＝5.2948+1.2611x | ??0.4492-0.8407 | ??11.7930 |
Measurement result shows: 3.0% Rynaxypyr ivermectin (1.5%+1.5%) is respectively 2.5106mg/L and 21.6846mg/L to LC50 and the LC95 of brown planthopper 2-3 nymph in age, and contrast medicament Rynaxypyr is respectively 85.6267mg/L and 110.9495mg/L to LC50 and the LC95 of brown planthopper 2-3 nymph in age; Ivermectin is respectively 0.5838mg/L and 11.7930mg/L to LC50 and the LC95 of brown planthopper 2-3 nymph in age.This mixture is higher than contrast medicament Rynaxypyr to the activity of brown planthopper, is lower than ivermectin.Show that this mixed agent is ivermectin in fact to the killing action of brown planthopper.Because indoor bioassay is under artificial controlled condition indoor examination worm to be estimated, the field insect is more complicated, therefore advises carrying on field trial with clear and definite this medicament field efficacy, and suitable field using dosage and method etc.
Claims (10)
1. Recompounded pesticide, its active ingredient is Rynaxypyr and ivermectin.
2. Recompounded pesticide according to claim 1 is characterized in that: the content of Rynaxypyr is more than or equal to the content of ivermectin in the described Recompounded pesticide.
3. Recompounded pesticide according to claim 1 is characterized in that: the proportioning of Rynaxypyr and ivermectin is 1～1.3 in the described Recompounded pesticide.
4. Recompounded pesticide according to claim 1 is characterized in that: total percentage composition of Rynaxypyr and ivermectin is 1～4% in the Recompounded pesticide.
5. Recompounded pesticide according to claim 4 is characterized in that: total percentage composition of Rynaxypyr and ivermectin is 1.5～3% in the Recompounded pesticide.
6. Recompounded pesticide according to claim 1 is characterized in that: Recompounded pesticide also comprises solvent and emulsifier.
7. Recompounded pesticide according to claim 1 is characterized in that: Recompounded pesticide also comprises bleeding agent, diffusant, wetting agent, binding agent, filler.
8. Recompounded pesticide according to claim 2 is characterized in that: the content of Rynaxypyr is that the content of 0.5-15% and ivermectin is 0.4～5.0%.
9. Recompounded pesticide according to claim 2 is characterized in that: the content of Rynaxypyr is that the content of 0.6-10% and ivermectin is 0.6～4.0%.
10. Recompounded pesticide according to claim 2 is characterized in that: the content of Rynaxypyr is that the content of 0.5-2.5% and ivermectin is 0.5～2.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010122200.6A CN101779643B (en) | 2010-02-12 | 2010-02-12 | Compound pesticide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010122200.6A CN101779643B (en) | 2010-02-12 | 2010-02-12 | Compound pesticide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101779643A true CN101779643A (en) | 2010-07-21 |
| CN101779643B CN101779643B (en) | 2014-03-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379297A (en) * | 2011-09-13 | 2012-03-21 | 广西田园生化股份有限公司 | Macrolide compound ultralow volume formulation |
| CN104472495A (en) * | 2014-12-15 | 2015-04-01 | 广西颐生园生态农业有限公司 | Insecticidal composition containing benzenecarbothioamide |
| CN112715301A (en) * | 2021-01-22 | 2021-04-30 | 江苏省农业科学院 | Method for promoting rice growth and repelling pests by utilizing Isaria javanicus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305726A (en) * | 2008-07-11 | 2008-11-19 | 湖南农业大学 | Synergetic pesticide composition |
| CN101548680A (en) * | 2009-04-23 | 2009-10-07 | 惠州市中迅化工有限公司 | Pesticidal composition containing emamectin benzoate and chlorantraniliprole |
| CN101554170A (en) * | 2009-05-15 | 2009-10-14 | 陕西标正作物科学有限公司 | Chlorantraniliprole and emamectin benzoate insecticidal composition |
| CN101627764A (en) * | 2009-07-21 | 2010-01-20 | 深圳诺普信农化股份有限公司 | Pesticide aqueous emulsion and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305726A (en) * | 2008-07-11 | 2008-11-19 | 湖南农业大学 | Synergetic pesticide composition |
| CN101548680A (en) * | 2009-04-23 | 2009-10-07 | 惠州市中迅化工有限公司 | Pesticidal composition containing emamectin benzoate and chlorantraniliprole |
| CN101554170A (en) * | 2009-05-15 | 2009-10-14 | 陕西标正作物科学有限公司 | Chlorantraniliprole and emamectin benzoate insecticidal composition |
| CN101627764A (en) * | 2009-07-21 | 2010-01-20 | 深圳诺普信农化股份有限公司 | Pesticide aqueous emulsion and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379297A (en) * | 2011-09-13 | 2012-03-21 | 广西田园生化股份有限公司 | Macrolide compound ultralow volume formulation |
| CN104472495A (en) * | 2014-12-15 | 2015-04-01 | 广西颐生园生态农业有限公司 | Insecticidal composition containing benzenecarbothioamide |
| CN112715301A (en) * | 2021-01-22 | 2021-04-30 | 江苏省农业科学院 | Method for promoting rice growth and repelling pests by utilizing Isaria javanicus |
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| CN101779643B (en) | 2014-03-19 |
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