CN103271075A - Disinsection composition - Google Patents
Disinsection composition Download PDFInfo
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- CN103271075A CN103271075A CN2013102449260A CN201310244926A CN103271075A CN 103271075 A CN103271075 A CN 103271075A CN 2013102449260 A CN2013102449260 A CN 2013102449260A CN 201310244926 A CN201310244926 A CN 201310244926A CN 103271075 A CN103271075 A CN 103271075A
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- multiple killing
- thiophene worm
- worm piperazine
- ethyl multiple
- thrips
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Abstract
The invention relates to a disinsection composition which comprises two active components such as ethyl spinosad and thiamethoxam and is mainly used for preventing and curing rice thrips. The composition is low in toxicity and efficient and enlarges an insecticidal spectrum, while formulation rate is lowered, the generating of insecticide resistance is delayed, the lasting period is prolonged, and pollutions to the environment are reduced.
Description
Technical field
The invention belongs to pesticide field, relate in particular to the compounded pesticides of a kind of ethyl multiple killing teichomycin and thiophene worm piperazine.
Background technology
Ethyl multiple killing teichomycin (Spinetoram) is a kind of novel ethyl multiple killing teichomycin insecticides of being produced by Dow AgroSciences, it can effectively control the important insect pest on fruit tree and the nut, especially difficult anti-primary pest on this planting fruit-trees of the stupid moth of apple is had good control efficiency.Be mainly used in preventing and treating lepidopterous larvae, thrips and Liriomyza etc., striped rice borer, beet armyworm, Liriomyza, thrips, prodenia litura, lima bean pod borer are had good control efficiency.Its biologically active is higher, and insecticidal spectrum is wider, and quick-acting is better, and the lasting period is longer, resistance of rainwater washing against, characteristics such as low toxic and environment-friendly.
Thiophene worm piperazine (Thiamethoxam) is a kind of second generation nicotinoids high-efficient low toxicity insecticide of brand new, and insect is had stomach toxicity, tags and systemic activity, is used for foliar spray and soil root irrigation.Rapidly by interior suction, and be transmitted to each position of plant after its dispenser, sucking pest such as aphid, plant hopper, leafhopper, aleyrodid etc. are had good preventive effect.
Because agricultural pests causes very big loss to crops production every year, agricultural chemicals is used very extensive as the main means of chemical control agricultural pests at present.Along with the long-term a large amount of single use of agricultural chemicals, can cause insect to produce resistance, environment is caused bigger pollution.Field trial shows that the existing medicament another kind of mixed pesticide different with mechanism of action can not only be postponed resistance and be produced, can also improve drug effect and residual period, reduce usage amount, reduce peasant's dispenser cost, thus we with ethyl multiple killing teichomycin and Thiamethoxam compound in order to enlarge insecticidal spectrum.Two kinds of active ingredients are composite, not only can effectively prevent and treat most of insect, reduce environmental pollution, can also improve drug effect and lasting period, reduced peasant's labour cost, increasing both production and income.
Summary of the invention
The purpose of this invention is to provide that a kind of insecticidal activity is efficient, lasting effect is long, the Pesticidal combination of the high and low poison of quick-acting, environmental protection.Be specifically related to the ethyl multiple killing teichomycin and thiophene worm piperazine is the Pesticidal combination of active ingredient.
In the above-mentioned Pesticidal combination, the weight ratio of ethyl multiple killing teichomycin and thiophene worm piperazine is 1: 50～50: 1.
Utilize above-mentioned Pesticidal combination, be equipped with the known auxiliary agent of those skilled in that art, can make 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.
The advantage that the present invention has and beneficial effect: 1, the desinsection scope is wide; 2, the lasting period is long; 3, low toxicity, noresidue, nuisanceless, environmentally safe; 4, use compound formulation, the reduction during all than single uses of the consumption of two kinds of insecticides, thus improved insecticidal effect, increased safety, reduced environmental pollution.
Thrips belongs to Insecta thrips insect, belongs to file suction formula insect, by the epidermal tissue that organs such as blade left by the mouthpart file, sucks juice, so often see the chapped skin in the position that is injured.The thrips adult is kind to fly, keeps in dark place, and how to cause harm between vein or in the scopular of the tender tip or young fruit or holder or the corolla.Thrips has the habit of hiding by day and coming out at night, and this also is one of reason of the difficult control of thrips.The rice thrips host has paddy and wheat, trip grass, barnyard grass, amur foxtail etc., and rice thrips also can be parasitic on corn, Chinese sorghum, sugarcane, tobacco, beans except above-mentioned host.Rice thrips becomes, nymph file phyllidium sheet, draws juice, and grey spot appears in the lighter, and weight person makes blade tip volume pleat withered and yellow, and the severe patient rice shoot of being injured is turned green slowly, and atrophy is not sent out.Haplothrips aculeatus main harm fringe grain and floral organ cause that seed is unreal.If the harm lobus cardiacus often causes leaf curling, not tensible of leaf sheath also destroys clever shell, forms empty grain.
The applicant has at first carried out the research that prescription screens to ethyl multiple killing teichomycin and thiophene worm piperazine, the insecticidal activity of ethyl multiple killing teichomycin, two kinds of active ingredients of thiophene worm piperazine is very high, at the effect characteristics of two kinds of compositions, the object of indoor biometrics is decided to be rice thrips, specifically test situation and the result is as follows:
Experimental drug adopts 90% ethyl multiple killing teichomycin and the former medicine of 95% thiophene worm piperazine, uses acetone that former medicine is dissolved, and is mixed with needed preparation by the patent application people.According to the matched proportion density of setting, it is standby to be mixed with the desired concn soup, and employed former medicine and auxiliary agent are other producers and buy.
The method of indoor biometrics is: adopt capillary trace drop method, capillary trace dropper volume is 1.0 μ L.With micro-dropper soup is pursued a drop in the back side of rice thrips 6 instar larvaes, 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 is for getting food, in addition with 30 larvas of acetone drop in 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 TTI=∑ of mixture preparation (the toxicity index ATI of certain medicine * percentage of this pharmaceutically active ingredient in mixture).
CTC was synergistic effect greater than 120 o'clock, less than 80 o'clock be antagonism, 80～120 o'clock is addition.
The different proportionings of table 1 are to the toxicity test result of rice thrips
Analyze above-mentioned data determination result and show, when ethyl multiple killing teichomycin and thiophene worm piperazine different proportion were composite, the co-toxicity coefficient of all proportionings was all greater than 120, illustrate two kinds of active ingredients are composite after, synergistic effect is clearly arranged.Wherein the co-toxicity coefficient of proportioning five has reached 169.81 especially, and synergistic effect this moment is the most remarkable.
Following instantiation is in order to further describing the present invention, but the present invention absolutely not only only limits to following these embodiment.Percentage all is weight percentage in the prescription, and employed former medicine and auxiliary agent are all bought from other producers.
Formulation examples is as follows:
One: 51% ethyl multiple killing teichomycin of example thiophene worm piperazine suspending agent
According to the prescription requirement, be medium with water, will grind in the adding sand mills such as active ingredient, wetting agent, dispersant, thickener, defoamer, the back adds emulsification in the high-shear emulsifying still, makes suspending agent.
Two: 46.5% ethyl multiple killing teichomycins of example thiophene worm piperazine 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.
Three: 22% ethyl multiple killing teichomycins of example thiophene worm piperazine water dispersible granules
Four: 18% ethyl multiple killing teichomycins of example thiophene worm piperazine water dispersible granules
Five: 10% ethyl multiple killing teichomycins of example thiophene worm piperazine suspending agent
Six: 45% ethyl multiple killing teichomycins of example thiophene worm piperazine water dispersible granules
Seven: 24% ethyl multiple killing teichomycins of example thiophene worm piperazine water dispersible granules
Eight: 11% ethyl multiple killing teichomycins of example thiophene worm piperazine suspending agent
Nine: 31% ethyl multiple killing teichomycins of example thiophene worm piperazine water dispersible granules
Ten: 25.5% ethyl multiple killing teichomycins of example thiophene worm piperazine water dispersible granules
According to above-mentioned ten examples, carry out the test of the field control paddy rice thrips of 45% ethyl multiple killing teichomycin thiophene worm piperazine water dispersible granules and other compounded formulas, simultaneously by with the contrast of the effect of 20% ethyl multiple killing teichomycin SC, 20% thiophene worm piperazine SC, verify the synergistic effect after composite.Test site is Hanchuan City, Xiaogan Prefecture, Hubei Province, and the time is on July 20th, 2011, test totally four processing, and each handles three repetitions, residential quarter randomized arrangement, residential quarter area 95m
2, the planting habit of all residential quarters all planting habit with local is identical, and the record dispenser same day and the synoptic data in a week thereafter are specific as follows:
Table 2 duration of test meteorological data
The investigation standard is: 7d gets killed strain 50 strains at random behind the medicine in each residential quarter, and the life or death number of bat dish method metering larva calculates lethality; 15d, 25d adopt every residential quarter 150 clumps of parallel sampling method samplings behind the medicine, investigate withered calculation, calculate withered heart rate and seedling protecting effect at last.Concrete data (data are the mean value of three repetitions) are as follows:
Table 345% ethyl multiple killing teichomycin thiophene worm piperazine WDG and different medicament are to the field control effectiveness test of thrips
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 July, 2011 place: the Hubei Xiaogan
From above data as can be seen, using under the identical effective dose, behind ethyl multiple killing teichomycin and the Thiamethoxam compound, the preventive effect of preparation will be higher than two kinds of single agent far away, wherein the control rate of 25d reaches 84.62% to 45% ethyl multiple killing teichomycin thiophene worm piperazine WDG (example six) behind medicine, for the highest in all examples, visible two kinds of compositions are composite good synergistic effect.Simultaneously, the preventive effect of 25d will be higher than the preventive effect of 15d behind the medicine behind the medicine, and obviously, complex preparation can prolong the lasting period.After two kinds of compositions are composite, enlarged insecticidal spectrum, prolonged the lasting period, synergistic effect is remarkable, reduces peasant's labour cost, and environmentally safe close friend has high economic benefit.
Claims (3)
1. Pesticidal combination, it is characterized in that: described active component is made of ethyl multiple killing teichomycin and thiophene worm piperazine, and the weight ratio of described ethyl multiple killing teichomycin and thiophene worm piperazine is 1:50～50:1.
2. Pesticidal combination according to claim 1 is characterized in that: make suspending agent, water dispersible granules by active ingredient and auxiliary material.
3. according to claim 1 or the described Pesticidal combination of claim 2, it is characterized in that: be mainly used in preventing and treating the paddy rice thrips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102449260A CN103271075A (en) | 2013-06-19 | 2013-06-19 | Disinsection composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102449260A CN103271075A (en) | 2013-06-19 | 2013-06-19 | Disinsection composition |
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| CN103271075A true CN103271075A (en) | 2013-09-04 |
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| CN2013102449260A Pending CN103271075A (en) | 2013-06-19 | 2013-06-19 | Disinsection composition |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316734A (en) * | 2008-11-06 | 2012-01-11 | 先正达参股股份有限公司 | Pesticide combination |
| CN102396487A (en) * | 2011-12-20 | 2012-04-04 | 广西田园生化股份有限公司 | Pesticide composition containing spinetoram and thiamethoxam |
| CN102578132A (en) * | 2012-02-13 | 2012-07-18 | 陕西上格之路生物科学有限公司 | Pesticide composition containing spinetoram and neonicotinoid insecticide |
-
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- 2013-06-19 CN CN2013102449260A patent/CN103271075A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316734A (en) * | 2008-11-06 | 2012-01-11 | 先正达参股股份有限公司 | Pesticide combination |
| CN102396487A (en) * | 2011-12-20 | 2012-04-04 | 广西田园生化股份有限公司 | Pesticide composition containing spinetoram and thiamethoxam |
| CN102578132A (en) * | 2012-02-13 | 2012-07-18 | 陕西上格之路生物科学有限公司 | Pesticide composition containing spinetoram and neonicotinoid insecticide |
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Address after: 102488 No. 8, Liangxiang, Beijing, Fangshan District Applicant after: Beijing Yanhua Yongle Biotechnology Co., Ltd. Address before: 102488 No. 8, Liangxiang, Beijing, Fangshan District Applicant before: Beijing Yoloo Pesticide Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: BEIJING YOLOO PESTICIDE CO., LTD. TO: BEIJING YANHUA YONGLE BIOTECHNOLOGYCO., LTD. |
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Application publication date: 20130904 |