CN102067846B - Buprofezin-containing pesticide composition - Google Patents
Buprofezin-containing pesticide composition Download PDFInfo
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- CN102067846B CN102067846B CN 201110001113 CN201110001113A CN102067846B CN 102067846 B CN102067846 B CN 102067846B CN 201110001113 CN201110001113 CN 201110001113 CN 201110001113 A CN201110001113 A CN 201110001113A CN 102067846 B CN102067846 B CN 102067846B
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Abstract
The invention relates to a pesticide composition containing buprofezin and spinosad. The pesticide composition comprises the buprofezin and the spinosad serving as active ingredients; and a proper amount of auxiliary agents and filler are added into the active ingredients so as to prepare formulations such as wettable powder, suspension, water dispersible granules and the like. The pesticide composition has an obvious synergistic effect of preventing and controlling rice planthopper, and can improve the prevention effect, reduce the using amount, delay pesticide resistance and prolong the duration.
Description
Technical field
The invention belongs to pesticide field, relate in particular to the Pesticidal combination of a kind of Buprofezin and multiple killing teichomycin.
Background technology
It is a kind of macrolides Nuisanceless high-efficient biological insecticides that extract in the sugared many born of the same parents fermented liquid of thorn that multiple killing teichomycin has another name called pleocidin (Spinosad).Produce parent strain soil actinomycetes thorniness saccharopolyspora strain (the Saccharopolyspora spinosa Metrz ﹠amp of pleocidin; Yao) initial separation is from one of the Caribbean discarded wine brewing field.The mode of action novelty of multiple killing teichomycin can sustained activation target insect acetylcholine nicotine receptor, but its binding site is different from nicotine and Imidacloprid.Pleocidin also can influence the GABA acceptor, but mechanism of action is unclear.Whether also do not know at present has cross tolerance with the insecticide of other types.These compounds can cause that target plant-feed insect such as caterpillar, leaf miner, thrips and leaf-feeding beetle are dead rapidly, although administrative department's strong request is not used when resistance occurs, the moderate residual activity of this compound has reduced resistance and the living possibility of mass-sending.The acting body of nicotinic acid acetylcholinergic receptor can sustained activation target insect acetylcholine nicotine receptor, but its binding site is different from nicotine and Imidacloprid.Multiple killing teichomycin also can influence the GABA acceptor, insect is had tag fast and stomach poison function, and blade is had stronger osmosis, can kill subepidermal insect, and the longevity of residure is longer, and some insects are had certain ovicidal action.No systemic action.Can effectively preventing Lepidoptera, diptera and thrips insect, can prevent and treat well also that some measures the pest species of food blade greatly in coleoptera and the orthoptera, relatively poor to the control efficiency of sucking pest and mite class.Safer to the predator insect, unique because of insecticidal action mechanism, do not find as yet at present to have mutual drug-fast report with other insecticides.Plant there is not poisoning safely.Be suitable for using on vegetables, fruit tree, gardening, the crops.Can make insect benumb rapidly, paralyse, cause death at last.Its desinsection speed can compare favourably with chemical pesticide.Safe, and do not have the biological insecticides that cross resistance is low toxicity, efficient, low-residual with present common insecticide, existing insecticidal properties efficiently has again the characteristic of beneficial insect and mammalian safe being arranged, the most suitable pollution-free vegetable, fruit production application.
Buprofezin (buprofezin) is a kind of diazthines insect growth regulator, IGR, belongs to the insect molting inhibitor.Synthetic and disturb metabolism by suppressing chitin, insect can not normally be casted off a skin and and abnormal and dead gradually.Have high activity, high selectivity, the characteristics in the long longevity of residure.The newborn epidermis that destroys insect forms, and the normal growth of interference insect is grown, and causes insect death.Tool is tagged, stomach poison function is strong, the tool permeability.Do not kill adult, hatch but can reduce to lay eggs and hinder ovum.This product is for having the insecticide of lasting effect larvicidal activity to coleoptera, part Homoptera and Acarina.Can prevent and treat Cicadellidae, Delphacidae on the paddy rice effectively; Cicadellidae on the potato; Aleyrodidae on citrus, cotton and the vegetables; A red-spotted lizard section on the citrus, armored scale material and Pseudococcidae.
Because agricultural pests causes very big loss to crops production every year, consider the agricultural chemicals of long-term use single variety, impel insect to produce resistance easily, environment is caused bigger pollution, field trial shows, the existing medicament another kind of mixed pesticide different with mechanism of action, can not only postpone resistance and produce, can also improve drug effect and residual period, reduce usage amount, reduce cost, so we enlarge insecticidal spectrum with multiple killing teichomycin and buprofezin compound.Not only can effectively prevent and treat most of insect, reduce environmental pollution, also improve drug effect and lasting period.
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 pesticidal preparations that Buprofezin and multiple killing teichomycin are basis.
Above-mentioned Pesticidal combination contains Buprofezin 1%～35%, multiple killing teichomycin 0.5%～10%.
Utilize the described insecticides of the invention described above, 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, wetting powder, 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, two kinds of insecticides also have synergistic effect, and the consumption of two kinds of insecticides reduces during all than single use, thereby has improved insecticidal effect, has increased safety, has reduced environmental pollution.
Embodiment
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 other producers and buy.
Formulation examples is as follows:
1, the preparation of 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.
Prescription one (25% suspending agent)
Component weight percent content
Multiple killing teichomycin 5%
Buprofezin 20%
Dodecyl sodium sulfate 3%
Sodium lignin sulfonate 4%
Carboxymethyl cellulose
0.2%
Aluminium-magnesium silicate 0.1%
Defoamer 0.1%
Water complements to 100%
2, the preparation of wetting powder
Active ingredient, wetting agent, dispersant, filler etc. are fully mixed in the ratio of prescription, and after ultrafine crusher was pulverized, fineness reached 98% by 325 mesh standard sieves, namely gets wetting powder.
Prescription two (10% wetting powders)
Component weight percent content
Multiple killing teichomycin 5%
Buprofezin 5%
Dodecyl sodium sulfate 3%
Polyvinylpyrrolidone 4%
Carboxymethyl cellulose
0.2%
Ammonium sulfate 10%
Sodium bentonite complements to 100%
3, 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.
Prescription three (14% water dispersible granules)
Component weight percent content
Multiple killing teichomycin 2%
Buprofezin 12%
Lauryl sodium sulfate 3%
Polyvinylpyrrolidone 5%
Carboxymethyl cellulose
0.2%
Draw back powder 0.3%
Ammonium sulfate 8%
Kaolin complements to 100%
Prescription four (20% water dispersible granules)
Component weight percent content
Multiple killing teichomycin 5%
Buprofezin 15%
Lauryl sodium sulfate 3%
Polyvinylpyrrolidone 5%
Carboxymethyl cellulose
0.2%
Draw back powder 0.3%
Ammonium sulfate 8%
Kaolin complements to 100%
Rice fulgorid belongs to Homoptera, and Delphacidae, is detested worm etc. at popular name fire grasshopper, is one of primary pest of hazard rice.The rice fulgorid kind is a lot, but what cause major disaster mainly is rice fulgorid and white-backed planthopper, and early, middle and late rice can both be endangered by it.Under the adapt circumstance condition, breeding causes serious rapidly.General harm loss 10-20%, serious harm loss 40-60%, even total crop failure.If untimely control can cause very big loss.Multiple killing teichomycin, Buprofezin are two kinds of compositions that insecticidal activity is very high, according to their 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 3 age the rice fulgorid nymph the back side, each concentration is handled about 100 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 100 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 A=∑ of mixture preparation (toxicity index of certain medicine * percentage of this pharmaceutically active ingredient in mixture).
The co-toxicity coefficient C=of mixture preparation
* 100
C 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 fulgorid
| Medicament and proportioning | Toxicity regression formula Y=aX+b | Lethal concentration of 50 Lc50(mg/L) | Correlation coefficient (r) | Toxicity index (TT) | Co-toxicity coefficient (CTC) |
| Buprofezin | y=0.0246x+4.8834 | 4.74 | 0.8853 | 100.00 | ? |
| Multiple killing teichomycin | y=0.0282x+4.8558 | 5.11 | 0.9069 | 92.69 | ? |
| Prescription one | y=0.0332x+4.2421 | 22.83 | 0.9949 | ? | 141.88 |
| Prescription two | y=0.0316x+4.4913 | 16.10 | 0.9773 | ? | 119.52 |
| Prescription three | y=0.036x+4.1047 | 24.87 | 0.9787 | ? | 137.57 |
| Prescription four | y=0.0396x+4.3751 | 15.78 | 0.9962 | ? | 152.98 |
Table 2 Buprofezin is tested the test of giving birth to of rice fulgorid
| Dosage (mg/l) | The examination borer population | Death toll | Lethality (%) | Corrected mortality (%) |
| 50 | 100 | 86 | 86.00 | 86.00 |
| 40 | 100 | 79 | 79.00 | 79.00 |
| 20 | 100 | 72 | 72.00 | 72.00 |
| 10 | 100 | 60 | 60.00 | 60.00 |
| 5 | 100 | 41 | 41.00 | 41.00 |
| CK | 100 | 0 | ? | ? |
Table 3 multiple killing teichomycin is tested the test of giving birth to of rice fulgorid
| Dosage (mg/l) | The examination borer population | Death toll | Lethality (%) | Corrected mortality (%) |
| 50 | 100 | 91 | 91.00 | 91.00 |
| 40 | 100 | 79 | 79.00 | 79.00 |
| 20 | 100 | 71 | 71.00 | 71.00 |
| 10 | 100 | 62 | 62.00 | 62.00 |
| 5 | 100 | 42 | 42.00 | 42.00 |
| CK | 100 | 0 | ? | ? |
The test of giving birth to of a pair of rice fulgorid of table 4 prescription is tested
| Dosage (mg/l) | The examination borer population | Death toll | Lethality (%) | Corrected mortality (%) |
| 50 | 100 | 82 | 82.00 | 82.00 |
| 40 | 100 | 71 | 71.00 | 71.00 |
| 20 | 100 | 47 | 47.00 | 47.00 |
| 10 | 100 | 62 | 62.00 | 62.00 |
| 5 | 100 | 42 | 42.00 | 42.00 |
| CK | 100 | 0 | ? | ? |
The test of giving birth to of two pairs of rice fulgorids of table 5 prescription is tested
| Dosage (mg/l) | The examination borer population | Death toll | Lethality (%) | Corrected mortality (%) |
| 50 | 100 | 84 | 84.00 | 84.00 |
| 40 | 100 | 79 | 79.00 | 79.00 |
| 20 | 100 | 59 | 59.00 | 59.00 |
| 10 | 100 | 44 | 44.00 | 44.00 |
| 5 | 100 | 32 | 32.00 | 32.00 |
| CK | 100 | 0 | ? | ? |
The test of giving birth to of three pairs of rice fulgorids of table 6 prescription is tested
| Dosage (mg/l) | The examination borer population | Death toll | Lethality (%) | Corrected mortality (%) |
| 50 | 100 | 82 | 82.00 | 82.00 |
| 40 | 100 | 68 | 68.00 | 68.00 |
| 20 | 100 | 48 | 48.00 | 48.00 |
| 10 | 100 | 32 | 32.00 | 32.00 |
| 5 | 100 | 20 | 20.00 | 20.00 |
| CK | 100 | 0 | ? | ? |
The test of giving birth to of four pairs of rice fulgorids of table 7 prescription is tested
| Dosage (mg/l) | The examination borer population | Death toll | Lethality (%) | Corrected mortality (%) |
| 50 | 100 | 91 | 91.00 | 91.00 |
| 40 | 100 | 83 | 83.00 | 83.00 |
| 20 | 100 | 58 | 58.00 | 58.00 |
| 10 | 100 | 43 | 43.00 | 43.00 |
| 5 | 100 | 31 | 31.00 | 31.00 |
| CK | 100 | 0 | ? | ? |
Analyze above-mentioned data, measurement result shows that when Buprofezin and multiple killing teichomycin different proportion were composite, the co-toxicity coefficient that removes prescription two was 119.5, belongs to outside the addition, and the co-toxicity coefficient of other three kinds of prescriptions all has obvious synergistic effect all greater than 120.Wherein fill a prescription four and prescription have malicious coefficient maximum altogether, be respectively 152.98 and 141.88.
By the indoor biometrics test, select the field trial that the bigger prescription of CTC one, prescription four and the less prescription 2 of CTC are prevented and treated rice fulgorid, determine the effect of prescription control rice fulgorid; Simultaneously by with the contrast of the effect of Buprofezin, the agent of multiple killing teichomycin list, verify the synergistic effect after composite.Concrete test method and data are as follows:
Test one:5% multiple killing teichomycin, 20% Buprofezin SC, 5% multiple killing teichomycin, 15% Buprofezin WDG, 5% multiple killing teichomycin, 5% Buprofezin WP, 20% Buprofezin SC, 5% multiple killing teichomycin SC do the test of pesticide effectiveness of field control rice fulgorid.Test site be Hanchuan City Liu of Xiaogan Prefecture, Hubei Province every the town, the time is on June 14th, 2010, the test totally four processing, each handles three repetitions, residential quarter randomized arrangement, residential quarter area 67m
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 8 duration of test meteorological data
| Date | 6～14 | 6～15 | 6～16 | 6～17 | 6～18 | 6～19 | 6～20 |
| Temperature ℃ | 26～33 | 23～32 | 25～34 is cloudy | 25～33 | 24～31 | 23～31 | 24～32 |
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 nymph 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:
The effect table of table 9 20% Buprofezin, 5% multiple killing teichomycin SC and other chemical control rice hoppers
From above data as can be seen, under the situation of identical using dosage, 20% Buprofezin, 5% multiple killing teichomycin SC 25d control rate behind medicine is 79.70%, 5% Buprofezin, 5% multiple killing teichomycin WP 25d control rate after medication also has 67.28%, and 15% Buprofezin, 5% multiple killing teichomycin WDG 25d after medication, its preventive effect can reach 91.20%.Effect when the preventive effect of these three kinds of compounded formulas all is higher than 20% Buprofezin SC and 5% multiple killing teichomycin SC list agent use far away, difference is extremely remarkable.
By above-mentioned three field control effectiveness tests, the effect of fill a prescription one as can be seen, prescription four being prevented and treated rice hoppers is best, this also matches with the result of indoor biometrics, and (CTC is more big, synergistic effect is more big), and the two significant difference, simultaneously, the four employed former doses of filling a prescription are lower, think that prescription four is best, the most economical proportionings of effect; Also verified simultaneously when Buprofezin and multiple killing teichomycin are composite by different proportion, the control efficiency of rice hoppers all has been better than the effect of Buprofezin and multiple killing teichomycin list agent use, certain synergistic effect has been arranged.
By above-mentioned three field control effectiveness tests, can determine to fill a prescription four for preventing and treating the more suitable prescription of rice hoppers, to 15% Buprofezin, 5% multiple killing teichomycin WDG(prescription four) carried out further test, filter out the optium concentration of control rice fulgorid snout moth's larva.
Test two:Experimental scheme 4g/ mu, 5g/ mu, 6g/ mu and 4 concentration tonsures of 7g/ mu and respectively with 20% Buprofezin SC(5g/ mu), 5% multiple killing teichomycin SC(5g/ mu) effect do contrast, test method and investigation method are the same, and concrete data (mean values of three repetitions) are as follows:
Table 10 prescription four different amounts control striped rice borer effect table
From the result of the above-mentioned test of pesticide effectiveness as can be seen, along with the increase of prescription dosage, drug effect also increases to some extent, 15% Buprofezin, 5% multiple killing teichomycin WDG consumption is 5g/ mu, the seedling protecting effect of 25d is 91.27% behind the medicine, and apparently higher than 20% Buprofezin and 5% multiple killing teichomycin, difference is extremely remarkable; When the mu consumption was 6g and 7g, 25 days seedling protecting effect is respectively 92.7% and 93.65% after medication, and was not remarkable with the difference of 5g/ mu.Therefore, under the prerequisite of considering the mu cost, should advocate mu usage amount is 5g/ mu.
Claims (2)
1. a Pesticidal combination that contains Buprofezin is characterized in that, described Pesticidal combination active component is made up of Buprofezin and multiple killing teichomycin, and described Buprofezin mass percent is 12%～20%, and the multiple killing teichomycin mass percent is 2%～5%.
2. Pesticidal combination according to claim 1 is characterized in that, described Pesticidal combination is made suspending agent, wetting powder, water dispersible granules.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009095204A2 (en) * | 2008-01-29 | 2009-08-06 | Syngenta Participations Ag | Use of spinetoram as molluscicide and compositon containing it |
| CN101692818A (en) * | 2009-07-30 | 2010-04-14 | 南通润鸿生物化学有限公司 | 28 percent of jinggangmycin and buprofezin wettable powder |
| CN101708002A (en) * | 2009-12-11 | 2010-05-19 | 湖南农大海特农化有限公司 | Synergistic pesticide composition and application thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009095204A2 (en) * | 2008-01-29 | 2009-08-06 | Syngenta Participations Ag | Use of spinetoram as molluscicide and compositon containing it |
| CN101692818A (en) * | 2009-07-30 | 2010-04-14 | 南通润鸿生物化学有限公司 | 28 percent of jinggangmycin and buprofezin wettable powder |
| CN101708002A (en) * | 2009-12-11 | 2010-05-19 | 湖南农大海特农化有限公司 | Synergistic pesticide composition and application thereof |
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