CN102428932A - Insecticidal composition - Google Patents

Insecticidal composition Download PDF

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Publication number
CN102428932A
CN102428932A CN201110383450XA CN201110383450A CN102428932A CN 102428932 A CN102428932 A CN 102428932A CN 201110383450X A CN201110383450X A CN 201110383450XA CN 201110383450 A CN201110383450 A CN 201110383450A CN 102428932 A CN102428932 A CN 102428932A
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Prior art keywords
insect amide
cyanogen insect
pyrrole aphid
aphid ketone
prescription
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CN102428932B (en
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杨会营
刘晓娇
吴勇
王占娣
张�浩
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Yanhua Yongle (Leting) Biological Technology Co. Ltd.
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Beijing Yanhua Yongle Pesticide Co Ltd
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Abstract

The invention relates to an insecticidal composition which contains two active components, namely cyantraniliprole and pymetrozine. The insecticidal composition has high efficiency, low toxicity and wide insect killing spectrum. The use amount is reduced, the generation of drug resistance is retarded, the pollution to environment is reduced, and drug harm is not easy to produce. The insecticidal composition can be prepared into suspensions and water dispersible granules, is used for controlling agricultural insects and especially has obvious control effect on rice planthoppers.

Description

A kind of Pesticidal combination
Technical field
The invention belongs to pesticide field, relate in particular to the Pesticidal combination of a kind of pyrrole aphid ketone and cyanogen insect amide.
Background technology
Pyrrole aphid ketone (Pymetrozine) belongs to pyridines or Triazinone insecticide, is the brand-new non-insects agent of killing livestock, and is developed in 1988 by Switzerland Ciba-Geigy company the earliest, and this product shows excellent control efficiency to the sucking pest of various crop.Utilizing electricity to penetrate figure (EPG) technology research shows; No matter be drop, feed or test injection, almost produce the lancet blocking effect immediately, stop to get food at once as long as aphid or plant hopper one touch pyrrole aphid ketone; And final hungry causing death, and this process is irreversible.Therefore, pyrrole aphid ketone has excellent blocking-up insect and passes malicious function.
It is E.I.Du Pont Company's second generation ryania acceptor inhibitor insecticides that success is developed after the chlorine insect amide that cyanogen insect amide (cyantraniliprole) also is the bromine cyanogen insect amide; Cyanogen insect amide is to form through the various polar groups that change on the phenyl ring; Have more efficient; Applicable crops is more extensive, can effectively prevent and treat Lepidoptera, Semiptera and coleopteran pest.Cyanogen insect amide has stronger permeability, and medicament can pass stem's epidermal cell and get into xylem, conducts to other positions along xylem.Cyanogen insect amide can be used for the pest control of crops such as leguminous plant, cotton, paddy rice, beet, soybean, brassicaceous vegetable, muskmelon.
Because agricultural pests causes very big loss to crops production every year, considers the agricultural chemicals of long-term use single variety, impels insect to produce resistance easily, and environment is caused bigger pollution.In order to develop quick-acting and lasting effect is higher, lower-cost agricultural chemicals, we have carried out indoor biometrics and field efficacy experiment; Filter out the composite prescription of pyrrole aphid ketone and cyanogen insect amide, it has obvious synergistic effect, and we are composite with these two kinds of active ingredients; Improved insecticidal effect; Enlarge insecticidal spectrum, reduce environmental pollution simultaneously, reduce peasant's dispenser cost.
Summary of the invention
The purpose of this invention is to provide a kind of high-efficiency low-toxicity, lasting effect is long, quick-acting is high, have the Pesticidal combination of good environmental-protecting performance.Concrete relate to pyrrole aphid ketone and cyanogen insect amide is the pesticidal preparations of basis.
Above-mentioned Pesticidal combination, the proportioning that contains pyrrole aphid ketone and cyanogen insect amide is 1: 40~50: 1.
Utilize above-mentioned described Pesticidal combination, be equipped with the known auxiliary agent of those skilled in that art, can process formulation of the present invention with those skilled in that art's known method.Its formulation that can process is suspending agent, water dispersible granules.
Advantage that the present invention has and beneficial effect: 1. high-efficiency low-toxicity; 2. quick-acting, hold to imitate and take into account; 3. noresidue, nuisanceless, environmentally safe; 4. use compound formulation, two kinds of active ingredients also have synergistic effect, and consumption reduces during all than single use, thereby have improved the insecticidal effect of active ingredient, have increased safety, have reduced spraying times, have certain economic benefits.
Embodiment
Below concrete proportioning in order to further explain the present invention, but the present invention absolutely not only is limited to following these embodiment.Percentage all is weight percentage in the prescription, and employed former medicine and auxiliary agent are other producers and buy.
Formulation examples is following:
1, the preparation of suspending agent
According to the prescription requirement, be medium with water, with grinding in the adding sand mills such as active ingredient, wetting agent, dispersant, thickener, antifoaming agent, the back adds emulsification in the high-shear emulsifying still, makes suspending agent.
Suspending agent formula
Figure BDA0000113124700000021
2, the preparation of water dispersible granules
Active ingredient, wetting agent, dispersant, adhesive, filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, add an amount of purified water, make water dispersible granules through kneading, granulation, drying, screening.
The water-dispersible grain agent prescription
Figure BDA0000113124700000022
Preparation requirement according to above suspending agent or water dispersible granules; Preparation pyrrole aphid ketone and the several formulations product of cyanogen insect amide under 1: 40~50: 1 ratio therefrom select several kinds of representational ratios (1: 40,1: 15,1: 10,1: 5,1: 1,5: 1,10: 1,30: 1,50: 1) to carry out the indoor biometrics experiment.
Rice fulgorid belongs to Insecta Homoptera (Homoptera) Delphacidae (Delphacidae) insect, popular name fire midge worm.Inhale the plant juice crops such as paddy rice of causing harm with thorn.Frequent species has brown planthopper (Nilaparvatalugens), white-backed planthopper (Sogatellafurcifera) and small brown rice planthopper (Laodelphax striatellus).Rice fulgorid removes directly thorn suction juice to the harm of paddy rice, makes growth retardation, and the rice clump is agglomerating withered when serious, even outside the dead stalk lodging in full field, lays eggs and also can stab plant, and the destruction conducting tissue hinders the nutriment transportation and the viral disease that spreads disease.Pyrrole aphid ketone and cyanogen insect amide are two kinds of compositions that insecticidal activity is very high, according to their the effect characteristics and mechanism of action, the object of indoor biometrics are decided to be rice fulgorid.
The method of indoor biometrics is: adopt capillary trace drop method, capillary trace dropper volume is 1.0 μ L.With micro-dropper with soup by a drop in the back side of rice fulgorid larva, each concentration is handled about 30 larva, the culture dish that it is 9cm that per 5 larvas are put into a diameter, the built-in a small amount of feed of ware supplies to get food, in addition with 30 larvas of acetone drop as contrast.Larva after treatment still is placed in the receptacle, checks lethality behind the 48h.Data are handled with the SPSS software statistics.Obtain toxicity regression formula, the lethal concentration of 50, correlation coefficient etc., and obtain co-toxicity coefficient with the abundant method of Sun Yun.
The co-toxicity of mixture preparation adopts the abundant co-toxicity coefficient method representation of Sun Yun:
The theoretical toxicity index A=∑ of mixture preparation (toxicity index of certain medicine * percentage of this pharmaceutically active ingredient in mixture).
Figure BDA0000113124700000031
C was synergistic effect greater than 120 o'clock, less than 80 o'clock be antagonism, be addition during 80-120.
The different proportionings of table 1 are to the toxicity test result of rice fulgorid
Analyze above-mentioned data result and show, when pyrrole aphid ketone and cyanogen insect amide different proportion are composite, each proportioning co-toxicity coefficient all greater than 120, have obvious synergistic effect.Wherein the synergistic effect of proportioning 5 and proportioning 6 is the most obvious, and its co-toxicity coefficient is respectively 169.55 and 173.69.
Through the indoor biometrics test, select the field trial that the less proportioning 9 of the bigger proportioning of CTC 5, proportioning 6 and CTC is prevented and treated rice fulgorid, wherein proportioning 5, proportioning 6, proportioning 9 are added according to following active ingredient respectively:
Prescription one (proportioning 5): 14% suspending agent
Pyrrole aphid ketone 7%
Cyanogen insect amide 7%
Prescription two (proportionings 6): 18% suspending agent
Pyrrole aphid ketone 15%
Cyanogen insect amide 3%
Prescription three (proportionings 9): 51% water dispersible granules
Pyrrole aphid ketone 50%
Cyanogen insect amide 1%
According to the content of effective of being added in above-mentioned each prescription, the compound method according to prescription is mixed with appropriate formulation.Through field control effectiveness test, confirm the effect of above-mentioned three kinds of prescription control rice fulgorids; Simultaneously through with the field efficacy effect comparison of pyrrole aphid ketone, the agent of cyanogen insect amide list, verify the synergistic effect after composite.Concrete test method and data are following: test the test of pesticide effectiveness that one: 14% pyrrole aphid ketone cyanogen insect amide SC, 18% pyrrole aphid ketone cyanogen insect amide SC, 51% pyrrole aphid ketone cyanogen insect amide WDG do the field control rice fulgorid, use 15% pyrrole aphid ketone SC and 15% cyanogen insect amide SC as contrast simultaneously.City east Ma Fangzhen is answered for the Xiaogan Prefecture, Hubei Province in the test place, and the time is on August 15th, 2010, test totally four processing, and each handles three repetitions, sub-district randomized arrangement, sub-district area 100m 2, the planting habit of all sub-districts all planting habit with local is identical, and is record dispenser same day and all synoptic data thereafter, specific as follows:
Table 2 duration of test meteorological data
Figure BDA0000113124700000041
The investigation standard is: 7d gets killed strain 50 strains at random behind the medicine in each sub-district, and the life or death number of bat dish method metering nymph calculates lethality; 150 clumps of parallel sampling method samplings are adopted in 15d, the every sub-district of 25d behind the medicine, investigate withered calculation, calculate withered heart rate and seedling protecting effect at last.Specifically data (data are the mean value of three repetitions) are as follows:
The effect table of table 3 14% pyrrole aphid ketone cyanogen insect amide SC and other chemical control rice fulgorids
Figure BDA0000113124700000051
Annotate: data are the mean value that repeats for 3 times in the table, and letter is all the Duncan testing differentia mutually and does not show person's time: in August, 2010 place: Yingcheng City, Hubei
Can find out from above data; Under the situation of identical using dosage; 25d behind medicine; The control rate of 14% pyrrole aphid ketone cyanogen insect amide SC, 18% pyrrole aphid ketone cyanogen insect amide SC reaches 85.3% and 86.5% respectively, the effect when being higher than 15% pyrrole aphid ketone SC and 15% cyanogen insect amide SC list agent use far away, and difference is extremely remarkable.Simultaneously, 51% pyrrole aphid ketone cyanogen insect amide WDG 25d after medication, its control efficiency to rice fulgorid on the vegetables has also reached 80.6%, and the preventive effect when only using a kind of single agent is significantly improved.Simultaneously, above-mentioned field trial also match (CTC is big more, and synergistic effect is big more) with the indoor biometrics test for data.
This shows that prescription one is best with the control efficiency of prescription two, wherein, the seedling protecting effect of prescription two is a little more than prescription one, so think that prescription two is best.
18% pyrrole aphid ketone cyanogen insect amide SC (prescription two) is carried out further test, filtered out the optium concentration of control rice fulgorid.Experimental scheme 8g/ mu, 10g/ mu, 12g/ mu and 4 concentration gradients of 14g/ mu are also done contrast with the effect of 18% cyanogen insect amide SC (10g/ mu), 18% pyrrole aphid ketone SC (10g/ mu); Test method and investigation method are the same, and specifically data (mean values of three repetitions) are as follows:
Table 4 prescription two different amounts control rice fulgorid effect table
Figure BDA0000113124700000052
Annotate: data are the mean value that repeats for 3 times in the table, and letter is all Duncan testing differentia remarkable time mutually: in August, 2010 place: Yingcheng City, Hubei
Can find out that from the result of the above-mentioned test of pesticide effectiveness along with the increase of prescription dosage, drug effect also increases to some extent.18% pyrrole aphid ketone cyanogen insect amide SC consumption is a 8g/ mu, and the seedling protecting effect of 25d is 83.2% behind the medicine, and apparently higher than 18% cyanogen insect amide SC and 18% pyrrole aphid ketone SC, difference is extremely remarkable.When the mu consumption was 10g/ mu, 25 days seedling protecting effect had reached 87.9% after medication, and apparently higher than mu consumption 8g/ mu, difference is extremely remarkable.And after the mu consumption risen to 12g/ mu and 14g/ mu, seedling protecting effect is respectively 88.6% and 89.4%, and was not remarkable with the difference of 10g/ mu.Therefore, under the prerequisite of considering the mu cost, should advocate mu usage amount is 10g/ mu.

Claims (3)

1. a Pesticidal combination is characterized in that, said Pesticidal combination active component is made up of pyrrole aphid ketone and cyanogen insect amide.
2. Pesticidal combination according to claim 1 is characterized in that, the percentage by weight of pyrrole aphid ketone and cyanogen insect amide is 1:40~50:1.
3. according to claim 1 or the described Pesticidal combination of claim 2, it is characterized in that said Pesticidal combination can be made into suspending agent, water dispersible granules.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103283744A (en) * 2012-03-01 2013-09-11 陕西韦尔奇作物保护有限公司 Cyantraniliprole-containing pesticidal composition
CN103858888A (en) * 2014-03-27 2014-06-18 中国水稻研究所 Granular long-acting compound agent for preventing and controlling pests of machine transplanted rice seedlings
CN105994297A (en) * 2016-06-21 2016-10-12 南京华洲药业有限公司 Synergistic insecticide composition containing cyantraniliprole and pymetrozine and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101027991A (en) * 2007-04-04 2007-09-05 南京尊龙生物科学有限公司 Pyraphione compound active insecticide
CN101715761A (en) * 2009-11-04 2010-06-02 深圳诺普信农化股份有限公司 Cyanogens traniliprole suspending agent and preparation method thereof
WO2011117272A2 (en) * 2010-03-24 2011-09-29 Syngenta Participations Ag Pesticidal mixtures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101027991A (en) * 2007-04-04 2007-09-05 南京尊龙生物科学有限公司 Pyraphione compound active insecticide
CN101715761A (en) * 2009-11-04 2010-06-02 深圳诺普信农化股份有限公司 Cyanogens traniliprole suspending agent and preparation method thereof
WO2011117272A2 (en) * 2010-03-24 2011-09-29 Syngenta Participations Ag Pesticidal mixtures

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103283744A (en) * 2012-03-01 2013-09-11 陕西韦尔奇作物保护有限公司 Cyantraniliprole-containing pesticidal composition
CN103858888A (en) * 2014-03-27 2014-06-18 中国水稻研究所 Granular long-acting compound agent for preventing and controlling pests of machine transplanted rice seedlings
CN103858888B (en) * 2014-03-27 2016-11-23 中国水稻研究所 The long-acting preventing and treating Particles dispersed agent of rice machine seedlings plugging insect
CN105994297A (en) * 2016-06-21 2016-10-12 南京华洲药业有限公司 Synergistic insecticide composition containing cyantraniliprole and pymetrozine and application thereof

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Address after: 102488, Beijing, Fangshan District Star Street, No. 1 hospital green sail, No. 16, building 8

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