CN102246779A - Pesticide composition containing spirotetramat and spinosad - Google Patents
Pesticide composition containing spirotetramat and spinosad Download PDFInfo
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- CN102246779A CN102246779A CN2011101266051A CN201110126605A CN102246779A CN 102246779 A CN102246779 A CN 102246779A CN 2011101266051 A CN2011101266051 A CN 2011101266051A CN 201110126605 A CN201110126605 A CN 201110126605A CN 102246779 A CN102246779 A CN 102246779A
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- spiral shell
- ethyl ester
- pleocidin
- worm ethyl
- shell worm
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Abstract
The invention relates to an agricultural chemical pesticide composition with spirotetramat and spinosad as the active components. The mass percentage of spirotetramat and spinosad is 1-80:80-1 and the content of spirotetramat and spinosad in a compounded preparation is 1 to 80%. The compounded pesticide composition provided in the invention can be prepared into such dosage forms as missible oil, suspending agents, wettable pulvis, water dispersible granules, emulsion in water and the like by a method widely known to those skilled arts in the art. The pesticide composition provided in the invention is applicable to controlling sucking pests endangering vegetable and fruit, and especially applicable to controlling aphids, whiteflies, coccids, plant hoppers, thrips, smaller green leaf hoppers, etc.
Description
Invention field:
The present invention relates to a kind of agricultural insecticide composition with synergistic effect, active ingredient is spiral shell worm ethyl ester and pleocidin.
Background technology:
Suckings pest such as aphid, plant hopper, thrips, scale insect have short, feature such as breeding amount is big, generation overlap is obvious of breeding cycle, are easy to develop immunity to drugs.Because use in a large number, above-mentioned insect has produced serious resistance for medicaments such as Imidacloprid, Acetamiprids year after year.
Spiral shell worm ethyl ester, English name Spirotetramat is the tetronic acid insecticides of Bayer company research and development, belongs to similar compound with insecticidal/acaricidal agent spiral shell mite ester and Spiromesifen.Spiral shell worm ethyl ester has unique function Characteristics; have the good two-way interior conductive performance of inhaling, can in the whole plants body, upwards move down, arrive at blade face and bark; the interior absorption of this uniqueness can be protected newborn stem, leaf and root, prevents ovum and the larval growth of insect.Its another one characteristics are that the lasting period is long, and the effective control that reached for 8 weeks can be provided.Spiral shell worm ethyl ester can effectively be prevented and treated various suckings pest, as aphid, plant hopper, thrips, mealybug, aleyrodid and scale insect etc.Applicable chief crop comprises, tealeaves, soybean, oranges and tangerines, tropical fruit tree, nut, grape, lupulus, potato and vegetables etc.Studies show that it has good selectivity to important beneficial insect such as ladybug, syrphus fly and parasitic wasp.But the long-term use separately of spiral shell worm ethyl ester is easily developed immunity to drugs, and the control cost is higher.
Pleocidin, having another name called multiple killing teichomycin (Spinosad) is a kind of macrolides Nuisanceless high-efficient biological insecticides that extract in thorn sugared many born of the same parents bacterium (Saccharopolyspora spinosa) zymotic fluid.The mode of action novelty of pleocidin, its mechanism of action is considered to 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.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 is arranged, and is fit to pollution-free vegetable, fruit production application.It is the insecticide of a kind of low toxicity, efficient, wide spectrum.Insect had tag fast and stomach poison function, blade is had stronger osmosis, can kill subepidermal insect, the longevity of residure is longer, and some insects are had certain ovicidal action.
Summary of the invention:
Based on above situation, the object of the present invention is to provide a kind of agricultural insecticide composition, this Pesticidal combination is characterized in that with spiral shell worm ethyl ester (A) and pleocidin (B) be that active ingredient is mixed, and prevents the various pests of crops.
Pesticidal combination of the present invention is characterized in that the mass ratio of effective constituents A and B is 1～80: 80～1.
Pesticidal combination of the present invention is characterized in that through the toxicity test experiment, the mass ratio of effective constituents A and B is preferably 1～50: 50～1.
The formulation that described Pesticidal combination of the present invention can be prepared according to the known method of those skilled in the art of the present technique be missible oil, aqueous emulsion, suspending agent, wetting powder, water dispersible granules, etc. formulation.
Described spiral shell worm ethyl ester and the pleocidin gross mass content in preparation is 1～80%, preferred 1%～50%.All the other compositions are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
The auxiliary agent that uses in the bactericidal composition of the present invention (auxiliary element) comprises solvent, wetting agent, dispersant, antifreezing agent, thickener, defoamer, disintegrant, filler etc., and other are of value to active ingredient stable known substance of bringing into play with drug effect (being the composition of using always in the agricultural chemicals or allowing to use) in preparation, concrete composition and consumption, according to the prescription requirement, determine by normal experiment.
Described emulsifier is selected from any one or more mixtures formed with arbitrary proportion in calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styryl phenol APEO, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, the polyoxyethylene aliphatic alcohol ether.
Described solvent is any one or more mixed solvents formed with arbitrary proportion in dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), the water equal solvent.
Described dispersant is selected from one or more in polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, the fatty acid glyceride APEO.
Described wetting agent is selected from: lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX., among the wetting and penetrating agent F, alkylnaphthalene sulfonate, polyoxyethylene triphenylethylene phosphenylic acid salt, spaonin powder, silkworm excrement, soapberry powder one or more.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol.
Described stabilizing agent is selected from: a kind of in sodium citrate, the resorcinol.
Described antifreezing agent is selected from: one or more in ethylene glycol, propane diols, the glycerine.
Described defoamer is selected from: silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10In the aliphatic alcohols compound one or more.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
Pesticidal combination of the present invention has very obvious synergistic effect, can reduce effective ingredient consumption, delays the generation of pest resistance to insecticide, and can be used for the improvement of resistant insect.Be particularly suitable for being used to prevent and treat the sucking pest insect of vegetables and fruit, especially be suitable for anti-eliminating aphis, aleyrodid, mealybug, scale insect, plant hopper, thrips, tea lesser leafhopper etc.Pesticide dosage is low, is difficult for causing residual exceeding standard, and also has the low characteristics of toxicity simultaneously, helps environmental protection and production non-polluted farm product.
Embodiment:
The different proportioning co-toxicities of spiral shell worm ethyl ester with pleocidin
1.1 reagent agent
The former medicine of 96% spiral shell worm ethyl ester, the former medicine of 90% pleocidin, above-mentioned former medicine provides by research and development centre of Qingdao Hailir Pesticides and Chemical Co., Ltd..
1.2 for examination worm source
Indoor potted plant cabbage seedling is raised continuously the cabbage aphid three generations adult in 10 generations, temperature (25 ± 2) ℃, relative moisture 50% ± 4%, periodicity of illumination 14/10h (L/D).
1.3 single agent assay method
Adopt dip method with two former medicines all with the small amount of acetone dissolving, be diluted to into 5 dense solution of equal difference again with 0.1% Tween solution, be diluted in the beaker with standby, and in contrast with clear water.Three generations's cabbage aphid adult of the same size is flooded 5S in the soup that soaks the worm cage, inhale and go to be placed in the culture dish that diameter is 9cm behind the unnecessary soup, be placed with fresh cabbage leaves in the ware and add a cover.Every concentration is handled 10, repeats 4 times.If blank.Keep in (27 ± 1) ℃ illumination box checking lethality behind the 24h that it is dead touching the polypide nonresponder with group pin.Lethality Abbott formula correction, again according to the concentration logarithm---the lethality probit value is analyzed (Bliss) method, obtains virulence regression equation and puts dead middle amount LC
50Value.
1.4 the joint toxicity measuring method of different proportionings
According to the toxicity test result of single agent, be 10% quality than spiral shell worm ethyl ester by active ingredient: pleocidin was respectively 9: 1,7.5: 2.5,5: 5,2.5: 7.5,9: 1.Adopt above-mentioned 1.3 methods to carry out toxicity test, calculate LC
50, and press the abundant method of Sun Yun and calculate co-toxicity coefficient (CTC).Co-toxicity coefficient CTC, computing formula is as follows: (with spiral shell worm ethyl ester is the standard medicament, and its toxicity index is 100):
The LC of the toxicity index of pleocidin (TI)=spiral shell worm ethyl ester
50The LC of/pleocidin
50* 100
The LC of the actual toxicity index (ATI) of M=spiral shell worm ethyl ester
50The LC of/M
50* 100
TI * P the pleocidin of the TTI of the theoretical toxicity index (TTI) of M=spiral shell worm ethyl ester * P spiral shell worm ethyl ester+pleocidin
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula:
M is spiral shell worm ethyl ester and the mixture of pleocidin by different proportionings
The P pleocidin is pleocidin shared ratio in mixture
P spiral shell worm ethyl ester is spiral shell worm ethyl ester shared ratio in mixture
2.1 toxicity test result
Table 1 spiral shell worm ethyl ester, pleocidin are to the indoor measurement result of cabbage aphid
As can be seen from the table, in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect all greater than 120, wherein spiral shell worm ethyl ester: pleocidin is that 7.5: 2.5 synergistic effect is the most obvious, and co-toxicity coefficient is 204.94.Result of the test shows, spiral shell worm ethyl ester, two kinds of medicaments of pleocidin all have higher activity to cabbage aphid under indoor conditions, the result of the test of different proportion proportioning shows, by active ingredient spiral shell worm ethyl ester: pleocidin is 9: 1,7.5: 2.5,5: 5,2.5: 7.5,9: 1 o'clock, all show stronger synergistic effect, wherein with spiral shell worm ethyl ester: pleocidin is 7.5: 2.5 o'clock, and synergistic effect is best.
3 field trials control cabbage aphid.
3.1 field experiment control cabbage aphid
31 test methods
3.1.1 application method
Test is sprayed medicine 1 time altogether, and the dispenser date is June 16.Cabbage aphid adult major part was in for 2～3 phases in generation.Weather is cloudy calm during the spray medicine.With the agricultural board level pressure of profit knapsack hand sprayer each is handled even spraying, leave dual sides all requires to be sprayed with the effect soup.Every sub-district soup 2L.
3.1.2 investigation method
Investigate each sub-district and fix 1 strain cabbage seedling as the investigation strain. write down the adult quantity on whole blades.Investigate the insect population radix before spraying medicine, respectively 3,7 days and investigation in 10 days borer population alive behind the spray medicine.This test is investigated 4 times altogether.
3.1.3 drug effect computational methods
The insect population borer population of living before rate (%)=(borer population of living after the borer population-dispenser of living before the dispenser)/dispenser that goes down) * 100
Preventive effect (%)=(the treatment region insect population rate of going down-check plot insect population go down rate)/(100-check plot insect population go down rate) * 100
3.1.4 poisoning investigation method
Continuous 10d range estimation medicament does not have poisoning to produce the cabbage seedling well-grown to crop after the dispenser.
3.2 field control effectiveness test result
Table 2 is handled chemical control cabbage aphid field control effectiveness test result
As can be seen from Table 2, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to cabbage aphid all is better than contrasting medicament behind the medicine, 10% (spiral shell worm ethyl ester: pleocidin) (7.5: 2.5) behind medicine 10 days, insecticidal effect is respectively 86.69%, 90.20% and 92.94%, and insecticidal effect increases along with the increase of consumption, and difference reaches extremely remarkable between each consumption processing insecticidal effect.According to field range estimation, in the test dose scope, plant growth is normal, and each is handled medicament and poisoning phenomenon to wild cabbage all do not occur, illustrates that it is safe to wild cabbage.Advise that the insecticide different with the mechanism of action mixes use to delay the generation of pest resistance to insecticide.
4.1 field experiment control tea lesser leafhopper test
4.1.1 test method
Tested on April 8th, 2010 to April 18 and carry out in Qingdao of Shandong province Laoshan District tealeaves plantation.Tested on April 8th, 2010 and carry out routine to water spray by each processing design concentration.Spraying equipment is a WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out the routine spraying, makes every effort to evenly thoughtful during the spray medicine.During dispenser the field tea lesser leafhopper be 1～2 generation occurrence in peak period.Every 667m
2To the water yield is 70kg.
Duration of test weather is good, and daily mean temperature is 18.0～26.8 ℃.Dispenser fine day on the same day.
4.1.2 investigation method
Before dispenser, select sampling by diagonal 5 in every sub-district. every tealeaves 2～3 strains (deciding) of choosing tea lesser leafhopper ovum and adult on insect density.Statistics is demarcated tea lesser leafhopper head number in the strain. with this as dispenser before the insect population radix.In after the dispenser the 3rd, 7,10d investigates the tea lesser leafhopper borer population of deciding residual survival in the strain respectively. go down rate as control efficiency to proofread and correct insect population.
4.1.3 drug effect computational methods.
4.1.4 poisoning investigation method
It is good that the sub-district tea growth is respectively handled in the duration of test observation, all finds no the poisoning phenomenon and take place.
4.2 field control effectiveness test result of the test
Table 3 is handled chemical control tea lesser leafhopper field control effectiveness test result
As can be seen from Table 3, the Mixed Pharmacy of different proportion, carry out field experiment by different consumptions, its control efficiency to tea lesser leafhopper all is better than contrasting medicament behind the medicine, 10% (spiral shell worm ethyl ester: pleocidin) (7.5: 2.5) control tea lesser leafhopper quick-acting is fast, efficiency time is long, and control efficiency is good.10 days insecticidal effect reaches 84.34%, 88.78%, 90.14% respectively behind medicine, and insecticidal effect increases progressively along with the increase of consumption.According to experimental observation, each medication is handled does not all have poisoning to tealeaves.Suggestion was grasped the tea lesser leafhopper adult before 3 generations in dispenser period, required even spraying during dispenser, blade face, blade back even medicine, advise that the medicament different with other mechanisms of action is used alternatingly, to delay the generation of pest resistance to insecticide.
To sum up twice field experiment result is described, the present invention contains the miticide composition of spiral shell worm ethyl ester and pleocidin, insects such as cabbage aphid and tea lesser leafhopper are shown good control efficiency, to the target crop safety, compare with single agent, Pesticidal combination of the present invention has mechanism of action uniqueness, the unit administration amount is few, the advantage that quick-acting is good, the lasting period is long, so, in research and development of the present invention and popularization the important social meaning is arranged, can produce very big economic benefit, promote peasant's increasing both production and income,, the potentiality that vigorously promote the use are arranged agricultural product and Environmental security.
Claims (5)
1. Pesticidal combination that contains spiral shell worm ethyl ester and pleocidin.
2. Pesticidal combination according to claim 1 is characterized in that: the mass ratio of spiral shell worm ethyl ester and pleocidin is 1 ~ 80:80 ~ 1.
3. Pesticidal combination according to claim 1 is characterized in that: spiral shell worm ethyl ester is 1 ~ 50:50 ~ 1 with the quality optimization ratio of pleocidin.
4. Pesticidal combination according to claim 1 is characterized in that: active ingredient spiral shell worm ethyl ester and the total mass ratio of pleocidin in composition are 1 ~ 80%, preferably than being 1 ~ 50%.
5. Pesticidal combination according to claim 1 is characterized in that: adopt the known technical scheme of those skilled in the art can be prepared into missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion agent.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102578121A (en) * | 2011-12-19 | 2012-07-18 | 河南金田地农化有限责任公司 | Pesticide insecticidal and acaricidal composition containing spiroteramat |
| CN102726450A (en) * | 2012-07-23 | 2012-10-17 | 中国农业大学 | Pesticide suspension emulsion containing spirotetramat as well as preparation method and application thereof |
| CN103355327A (en) * | 2012-04-10 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | Spinosad-containing pesticidal composition |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489388A (en) * | 2006-07-11 | 2009-07-22 | 拜尔农作物科学股份公司 | Active ingredient combinations with insecticidal and acaricidal properties |
-
2011
- 2011-05-17 CN CN2011101266051A patent/CN102246779A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489388A (en) * | 2006-07-11 | 2009-07-22 | 拜尔农作物科学股份公司 | Active ingredient combinations with insecticidal and acaricidal properties |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102578121A (en) * | 2011-12-19 | 2012-07-18 | 河南金田地农化有限责任公司 | Pesticide insecticidal and acaricidal composition containing spiroteramat |
| CN102578121B (en) * | 2011-12-19 | 2014-09-24 | 河南金田地农化有限责任公司 | Pesticide insecticidal and acaricidal composition containing spiroteramat |
| CN103355327A (en) * | 2012-04-10 | 2013-10-23 | 陕西韦尔奇作物保护有限公司 | Spinosad-containing pesticidal composition |
| CN102726450A (en) * | 2012-07-23 | 2012-10-17 | 中国农业大学 | Pesticide suspension emulsion containing spirotetramat as well as preparation method and application thereof |
| CN102726450B (en) * | 2012-07-23 | 2014-10-22 | 中国农业大学 | Pesticide suspension emulsion containing spirotetramat as well as preparation method and application thereof |
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Application publication date: 20111123 |