CN101708000B - Disinsection composition containing spinosad and application thereof - Google Patents
Disinsection composition containing spinosad and application thereof Download PDFInfo
- Publication number
- CN101708000B CN101708000B CN 200910261165 CN200910261165A CN101708000B CN 101708000 B CN101708000 B CN 101708000B CN 200910261165 CN200910261165 CN 200910261165 CN 200910261165 A CN200910261165 A CN 200910261165A CN 101708000 B CN101708000 B CN 101708000B
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- Prior art keywords
- pymetrozine
- killing teichomycin
- multiple killing
- composition
- pesticidal combination
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a disinsection composition containing spinosad and an application thereof. The disinsection composition contains two active components: A and B, wherein A is spinosad and B is pymetrozine, and the proportion of A to B according to parts by weight, which is based on the active components is 1:100-100:1. The disinsection composition of the invention has the functions of synergy and/or expansion of control spectra, can be prepared into oil emulsion, wettable powder, micellar emulsion, aqueous emulsion, suspending agents and moisture particulate agents, and is used for controlling pests such as thysanoptera, homoptera, diptera, lepidoptera, and the like.
Description
Technical field
The present invention relates to a kind of agricultural insecticide composition and application thereof, relate in particular to the complex insecticidal composition of multiple killing teichomycin and another kind of insecticide.
Background technology
Multiple killing teichomycin claims again pleocidin, English common name: Spinosad.Multiple killing teichomycin is a kind of macrolides harmless boilogical insecticide that extracts in thorn saccharopolyspora strain (Saccharopolyspora spinosa) zymotic fluid, the mixture that it is comprised of spinosynA and two kinds of components of spinosynD.Multiple killing teichomycin can sustained activation target insect acetylcholinergic receptor, also can affect insect GABA acceptor, insect is had fast tag, stomach toxicity and certain ovicidal action, without interior absorption, blade is had stronger permeability, can kill subepidermal insect, the longevity of residure is longer.Can effectively prevent and treat Lepidoptera, diptera and thrips insect, can prevent and treat well also that some takes food the pest species of blade in a large number in coleoptera and the orthoptera, safer to predatory natural enemy insect, to plant safety without poisoning.Be suitable for using on vegetables, fruit tree, gardening and the land for growing field crops crops.
Contain multiple killing teichomycin and pymetrozine single dose product and often have in various degree defective on agricultural insect pests control: use is easily developed immunity to drugs continuously, and insecticidal spectrum is wide not, can not provide comprehensive protection etc. for crop.Can overcome to a certain extent above shortcoming by being mixed of two or more active component.Two or more active component that can produce synergistic effect is mixed, and can improve preventive effect, reduces the consumption of active ingredient, saves cost, delays the generation of pest resistance to insecticide, and reduces the pollution to environment.Some insecticides that contains the multiple killing teichomycin active component has been reported, for example CN101305723A discloses the patent application of the insecticides of multiple killing teichomycin and Diacloden, Imidacloprid, but still can not satisfy the diversified demand of pest control in the agricultural production.
Summary of the invention
The objective of the invention is to solve the problem of various pests mixed occurrence in the practice, for example diamond-back moth, prodenia litura and/or beet armyworm and thrips, aphid, trialeurodes vaporariorum and/or Bemisia tabaci mixed occurrence on the vegetables, rice leaf roller, striped rice borer, paddy stem borer and rice fulgorid mixed occurrence etc. on the paddy rice.
In order to satisfy the needs of agricultural production, take full advantage of two kinds of active components be mixed the synergistic effect that produces, improve preventive effect, reduce agricultural cost and delay the generation of pest resistance to insecticide, the present invention proposes a kind of new Pesticidal combination: said composition contains two kinds of active components, a kind of is multiple killing teichomycin, and another is pymetrozine.
Pymetrozine, english common name pymetrozine, the mechanism of action is adult with after nymph contacts medicament, produces the lancet blocking effect, stops to take food and causes harm, hungry causing death.Lasting period is long, can prevent and treat most of homoptera pest, and especially Aphidiadae, Aleyrodidae, Cicadellidae and Delphacidae insect are applicable to vegetables, paddy rice, cotton, fruit tree and multiple field crop.But in actual application, use separately pymetrozine quick-acting relatively poor, insect easily produces resistance.
Technical scheme of the present invention is:
A kind of Pesticidal combination that contains multiple killing teichomycin contains A, two kinds of active components of B, and it is characterized in that: component A is multiple killing teichomycin, and B component is pymetrozine, and the ratio of A and B is 1 based on the parts by weight of active component: 100-100: 1.
The present composition can be made different application forms according to the known method of those skilled in the art of the present technique as required, such as missible oil, soluble powder, microemulsion, aqueous emulsion, suspending agent, water dispersion granule etc.According to factors such as formulation characteristic and eases of use, the active component weight percentage is 1%-99% in the present composition preparation.
Missible oil contains the active component of 10%-50% usually, also contains solvent (also containing in case of necessity cosolvent), 2-20% emulsifier, other additive of 0-20% such as stabilizing agent, bleeding agent, corrosion inhibitor.
Wetting powder contains the 10-90% active component usually, except solid inert carrier, usually contains 3-10% dispersant and wetting agent, can also contain 0-10% stabilizing agent and/or other additive for example bleeding agent, sticker.
Microemulsion contains the active component of 10-80% usually, surfactant 6-15%, and cosolvent 3-7%, defoamer 1-2%, antifreeze 2-5% can also contain other additive such as preservative, the stabilizing agent etc. of 1-10%, and surplus is water.
Aqueous emulsion contains active component 10-80% usually, emulsifier 5-25%, and antifreeze 0.5-5%, thickener 0.5-1%, defoamer 0.05-0.2%, solvent 3-5% can also contain other additive of 0.5-10% such as stabilizing agent etc., and surplus is water.
Suspending agent contains 5-75% active component, 0.5-15% dispersant, 0.1-10% thixotropic agent, other additive of 0-10% such as defoamer, corrosion inhibitor, stabilizing agent, bleeding agent and thickener usually, and water or organic liquid, wherein active component basically be undissolved or at least a be undissolved.Some organic solid or mineral salt can be dissolved in the preparation, to help preventing deposition or as antifreezing agent.Suspending agent need grind to obtain stable non-deposition flowable product usually.When organic liquid replaced water, this suspending agent was commonly referred to oil suspending agent.
Water dispersible granules is made 10-100 international standard sieve mesh (1.676-0.152mm) particle usually, can be by extruding, dipping or the preparation of mist projection granulating method.Usually water dispersible granules contains the 1%-99% active component, except solid inert carrier, usually contains additive such as stabilizing agent, surfactant, slow release regulator and the adhesive of 1-20%.
Composition of the present invention can also be prepared into other multiple formulation according to conventional method as required.
Above used auxiliary agent, surfactant and the carrier of various preparations of preparation is known in those skilled in the art.For example:
Solvent can be various aromatic hydrocarbons, aliphatic hydrocarbon, ketone, ethers etc., such as one or more of benzene, dimethylbenzene, acetone, cyclohexanone, dimethyl formamide, methyl alcohol, ethanol, naphthalane, machine oil, benzinum etc.
Cosolvent can be one or more of methyl alcohol, phenol, isoamyl alcohol, dimethyl sulfoxide (DMSO), ethyl acetate, butanone, dimethyl formamide etc.
Surfactant can be emulsifier, dispersant or wetting agent, such as lauryl sodium sulfate, neopelex, Teepol, polyoxyethylene fatty acid fat, polyoxyethylene aliphatic alcohol ether, polyoxyethylene fatty amine, or directly use commercially available emulsifier such as the newborn 0201B of farming, agricultural newborn 0203B etc.
As having of dispersant and wetting agent: sodium lignin sulfonate, pull open powder, calcium lignosulfonate, sldium lauryl sulfate, alkylol polyoxyethylene groups ether sodium sulfate, octylphenol polyethylene oxyethylene group ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, sodium alkyl sulfonate, neopelex etc.
Thickener can be (such as carbonyl methylol, polyvinyl alcohol, polyvinyl acetate) or the natural water-soluble polymer (such as xanthans, gelatin, gum Arabic, polyvinylpyrrolidone, aluminium-magnesium silicate, polyvinyl alcohol, polyethylene glycol, phenolic resins, shellac, carboxymethyl cellulose and sodium alginate etc.) that synthesizes, and adds in the preparation with powder, particle or latex form.
Defoamer is bubble enemy, silicone, C
8-10Fatty alcohol, phosphoric acid ester, C
10-20Saturated fat acids (such as capric acid) and acid amides etc.
The solid carrier that is fit to comprises natural or synthetic clay and silicate, and the solid carrier that is applicable to pulvis comprises the rock dust of natural formation, chalk, quartz, clay, imvite, silica, diatomite, float stone, gypsum, talcum, bentonite, kaolin, potter's clay and the synthetic mineral matter that grinds (such as microdispersed silicic acid or aluminium oxide).The particulate vector that is fit to comprises broken and natural rock classification for example calcite, marble, float stone, sepiolite and dolomite and the synthetic particle made by the powder of organic matter and inorganic matter.
Moisture dispersion liquid and emulsion (composition that obtains such as dilute with water wetting powder of the present invention or concentrate) are also within the scope of the invention.Above-mentioned emulsion can be water-in-oil type or oil-in-water type, can have dense thick pulpous state denseness.
As a kind of improvement of the present invention, the ratio of A, B two components more preferably is 1 based on the parts by weight of active component: 20-20: 1.
Composition of the present invention can be the finished product preparation form to be provided, and namely each material is own through mixing in the composition; The composition of composition also can provide with independent preparation, directly mixes in container (bucket, tank etc.) before using.
Composition of the present invention can be used for preventing and treating the various agricultural insect, for example preventing and treating vegetables diamond-back moth, prodenia litura or/and in the beet armyworm, can prevent and treat thrips, trialeurodes vaporariorum, Bemisia tabaci, aphid, phyllotreta striolata etc. again, control paddy rice rice leaf roller or/and in the striped rice borer, paddy stem borer, pink rice borer, rice plant skipper, prevent and treat again rice fulgorid, Lissorhoptrus oryzophilus Kuschel etc., can reach the effect that a drug is prevented and treated the number of different types insect.
The invention has the advantages that the synergistic effect that utilizes two kinds of active components to be mixed and to produce, improved preventive effect, enlarged the control spectrum, prolonged the lasting period, reduce consumption and the medication number of times of active ingredient, delay the generation of pest resistance to insecticide, and reduce the pollution to environment.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to absolutely not these examples.The following stated only is preferably embodiment of the present invention, only is used for explaining the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of making within the spirit and principles in the present invention, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
The pharmaceutical formulation example:
Following pharmaceutical formulation embodiment is routinely technique making all.
Embodiment 1 18% multiple killing teichomycin pymetrozine missible oil
Multiple killing teichomycin 3%, pymetrozine 15%, agricultural newborn 33# (Nanjing Teva-Chem. Co., Ltd.) 7%, the newborn 507# of farming (Nanjing Teva-Chem. Co., Ltd.) 5%, TX-10 (blue sky, Xingtai Fine Chemical Works) 5%, dimethyl formamide 8%, cyclohexanone 10%, dimethylbenzene is mended to 100%.
The part by weight of multiple killing teichomycin and pymetrozine can be 1 in the present embodiment: 20-20: change between 1, both weight percentages can change between 1-99%, form new embodiment.
Embodiment 2 10.5% multiple killing teichomycin pymetrozine microemulsions
Multiple killing teichomycin 0.5%, pymetrozine 10%, oxolane 5%, ethylene glycol 4%, n-octyl alcohol 1%, polyoxyethylene nonylphenol ether 6%, sorbitol polyoxyethylene ether 3%, water is mended to 100%.
The part by weight of multiple killing teichomycin and pymetrozine can be 1 in the present embodiment: 20-20: change between 1, both weight percentages can change between 1-99%, form new embodiment.
Embodiment 3 11% multiple killing teichomycin pymetrozine suspension agents
Multiple killing teichomycin 10%, pymetrozine 1%, sodium alginate 5%, phenethyl phenol polyethenoxy polyethenoxy ether 4%, aluminium-magnesium silicate 6%, silicone defoaming agent 1%, water is mended to 100%.
The part by weight of multiple killing teichomycin and pymetrozine can be 1 in the present embodiment: 20-20: change between 1, both weight percentages can change between 1-99%, form new embodiment.
Embodiment 4 3% multiple killing teichomycin pymetrozine aqueous emulsions
Multiple killing teichomycin 2.5%, pymetrozine 0.5%, alkylphenol polyoxyethylene 11%, alkylphenol polyoxyethylene formaldehyde condensation products 5%, alkylphenol polyoxyethylene phosphate 3%, dimethylbenzene 10%, glycerine 2%, xanthans 0.5%, surplus is water.
The part by weight of multiple killing teichomycin and pymetrozine can be 1 in the present embodiment: 20-20: change between 1, both weight percentages can change between 1-99%, form new embodiment.
Embodiment 5 21% multiple killing teichomycin pymetrozine wetting powders
Multiple killing teichomycin 20%, pymetrozine 1%, lauryl sodium sulfate 1%, sodium lignin sulfonate 5%, sodium methylene bis-naphthalene sulfonate 7%, diatomite is mended to 100%.
The part by weight of multiple killing teichomycin and pymetrozine can be 1 in the present embodiment: 20-20: change between 1, both weight percentages can change between 1-99%, form new embodiment.
Embodiment 6 80% multiple killing teichomycin pymetrozine water dispersing granules
Multiple killing teichomycin 5%, pymetrozine 75%, lauryl sodium sulfate 6%, sucrose 3%, sodium methylene bis-naphthalene sulfonate 4%, sodium lignin sulfonate 4%, polyvinylpyrrolidone 11%, precipitated calcium carbonate is mended to 100%.
Multiple killing teichomycin in the present embodiment and the part by weight of pymetrozine can be 1: 20-20: change between 1, both weight percentages can change between 1-99%, form new embodiment.
Toxicity determination test example:
After mixing, two kinds of biocidal activity components usually show three kinds of type of action, i.e. synergistic effect, summation action and antagonism, but be specially which kind of effect, only have by lot of experiments and just can know.The present invention adopts Sun Yunpei (Sun Y-P) method, by calculating co-toxicity coefficient, estimates and uses effect with.Evaluation criterion: co-toxicity coefficient obviously is synergistic effect greater than 100, and co-toxicity coefficient is significantly less than 100 and is antagonism, and co-toxicity coefficient is summation action about 100.
Computing formula:
The content of B in the TI* mixture active ingredient of the content of A+B agent in the TI* mixture active ingredient of the theoretical toxicity index (TTI) of co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of the actual toxicity index of mixture (ATI)/mixture] * 100 mixtures=A agent
The actual toxicity index (ATI) of the mixture=(LC of standard medicament
50The LC of/mixture
50) * 100 toxicity indexes (TI)=(LC of standard medicament
50The LC of/reagent agent
50) * 100 (usually the A agent as the standard medicament)
Find by the test of indoor biological activity determination, the Pesticidal combination that contains A of the present invention, two kinds of active components of B is about to multiple killing teichomycin to be mixed by a certain percentage use with pymetrozine and has the notable synergistic effect, specifically sees following examples.
Embodiment 7 multiple killing teichomycin pymetrozines are to the indoor joint toxicity measuring of cucumber Trialeurodes vaporariorum Westwood
For trying object: cucumber Trialeurodes vaporariorum Westwood (Trialeurodes vaporariorum), the population behind the indoor feeding three generations supplies test with tritonymph.
Reagent agent: the former medicine of multiple killing teichomycin (90%), the former medicine of pymetrozine (content 95%).
Experimental condition: temperature: 24-26 ℃, humidity: RH 60-80%, illumination: L: D=(16: 8) h
Test method: accurately take by weighing respectively reagent agent with electronic analytical balance, former medicine is made into mother liquor with organic solvent after, be diluted to respectively the serial liquid of tool finite concentration gradient by experimental scheme dosage with water.
Test method is with reference to " the agricultural industry criteria NY/T 1154.9-2008 of the People's Republic of China (PRC) ", adopt spray-on process, choosing the consistent examination worm of physiological status with writing brush is no less than 10 and puts into culture dish, again culture dish is placed Potter spray tower chassis quantitatively to spray, spouting liquid is 1ml, takes out the examination worm behind the liquid sedimentation 1min and raises.Every processing repeats for many 4 times, and establishes the processing that does not contain medicament (containing all solvents and emulsifier) and make blank.Process checking examination worm death condition in rear 96 hours, record respectively total borer population and dead borer population.Test data is processed with DPS software, obtains the LC of toxicity regression line
50And LC
90Value and 95% confidence limit, b value and standard error (SD) thereof are estimated reagent agent to the activity of examination worm, and calculate co-toxicity coefficient with the abundant method of Sun Yun.
Result of the test sees Table 1
Table 1: the multiple killing teichomycin pymetrozine is to the indoor joint toxicity measuring result of cucumber Trialeurodes vaporariorum Westwood
| Process | LC 50(mg/L) | AT1 | TTI | Co-toxicity coefficient CTC |
| Multiple killing teichomycin | 4.21 | 100.00 | ||
| Pymetrozine | 6.38 | 65.99 | ||
| Multiple killing teichomycin 1+ pymetrozine 100 | 5.03 | 83.70 | 66.32 | 126.19 |
| Multiple killing teichomycin 1+ pymetrozine 20 | 4.21 | 100.00 | 67.61 | 147.91 |
| Multiple killing teichomycin 1+ pymetrozine 10 | 3.57 | 117.93 | 69.08 | 170.71 |
| Multiple killing teichomycin 1+ pymetrozine 5 | 2.12 | 198.58 | 71.66 | 277.14 |
| Multiple killing teichomycin 5+ pymetrozine 1 | 1.89 | 222.75 | 82.99 | 268.40 |
| Multiple killing teichomycin 10+ pymetrozine 1 | 1.98 | 212.63 | 94.33 | 225.40 |
| Multiple killing teichomycin 20+ pymetrozine 1 | 2.28 | 184.65 | 96.91 | 190.54 |
| Multiple killing teichomycin 100+ pymetrozine 1 | 2.87 | 146.69 | 98.38 | 149.10 |
Implement 8 multiple killing teichomycin pymetrozines to the indoor joint toxicity measuring of Brown Planthopper
For trying object: rice hoppers (brown planthopper, Nilaparvata lugens) nymph in 3 age, the population behind the indoor feeding three generations.
Reagent agent: the former medicine of multiple killing teichomycin (content 90%), the former medicine of pymetrozine (content 95%).
Experimental condition: temperature: 24-26 ℃, humidity: RH 60-80%, illumination: L: D=(16: 8) h
Test method: accurately take by weighing respectively reagent agent with electronic analytical balance, former medicine is made into mother liquor with organic solvent after, be diluted to respectively the serial liquid of tool finite concentration gradient by experimental scheme dosage with water.
Test method is with reference to " the agricultural industry criteria NY/T 1154.11-2008 of the People's Republic of China (PRC) ", adopt rice stem infusion process, choose the healthy and strong consistent rice seedlings in tillering stage of laboratory cultures, grub out and get, clean, be cut into the approximately long band root rice stem of 10cm, the place dries in the air stand-by without washmarking to the surface in the cool place.Ready rice stem is flooded 30s in the liquid for preparing, take out and slightly dry, encase the root moisturizing with wet absorbent cotton, the outsourcing preservative film places test tube, every test tube 3 strains.Select neat and consistent 3 age nymph with pest sucking device it is moved in people's test tube, 15 in every test tube, the mouth of pipe covers with gauze.4 repetitions of every processing and 1 blank.Process checking examination worm death condition in rear 5 days, record respectively total borer population and dead borer population.Adopt the method for probability value analysis that data are processed.Statistical data is processed with DPS software, obtains the LC of toxicity regression line
50, estimate reagent agent to the activity of examination worm, and calculate co-toxicity coefficient with the abundant method of Sun Yun.
Result of the test sees Table 2
Table 2: the multiple killing teichomycin pymetrozine is to the indoor joint toxicity measuring result of brown planthopper
| Process | LC 50(mg/L) | AT1 | TTI | Co-toxicity coefficient CTC |
| Multiple killing teichomycin | 3.95 | 100.00 | ||
| Pymetrozine | 0.38 | 1039.47 | ||
| Multiple killing teichomycin 1+ pymetrozine | 0.26 | 1519.23 | 1030.17 | 147.47 |
| 100 | ||||
| Multiple killing teichomycin 1+ pymetrozine 20 | 0.17 | 2323.53 | 994.74 | 233.58 |
| Multiple killing teichomycin 1+ pymetrozine 10 | 0.12 | 3291.67 | 954.07 | 345.01 |
| Multiple killing teichomycin 1+ pymetrozine 5 | 0.15 | 2633.33 | 882.89 | 298.26 |
| Multiple killing teichomycin 10+ pymetrozine 1 | 0.38 | 1039.47 | 569.74 | 182.45 |
| Multiple killing teichomycin 20+ pymetrozine 1 | 0.98 | 403.06 | 256.58 | 157.09 |
| Multiple killing teichomycin 100+ pymetrozine 1 | 1.79 | 220.67 | 185.41 | 119.02 |
Embodiment 9 multiple killing teichomycin pymetrozines are to the indoor joint toxicity measuring of brassicaceous vegetable diamond-back moth
For trying object: brassicaceous vegetable diamond-back moth (Plutella xylostella Linnaeus.) nymph in 3 age, the population of indoor feeding after five generations.
Reagent agent: the former medicine of multiple killing teichomycin (content 90%), the former medicine of pymetrozine (content 95%).
Experimental condition: temperature 24-26 ℃, humidity RH 60-80%, illumination L: D=(16: 8) h
Test method: accurately take by weighing respectively reagent agent with electronic analytical balance, former medicine is made into mother liquor with organic solvent after, be diluted to respectively the serial liquid of tool finite concentration gradient by experimental scheme dosage with water.
Test method is with reference to " the agricultural industry criteria NY/T 1154.14-2008 of the People's Republic of China (PRC) ", adopt leaf dipping method, the consistent blue or green a variety of Chinese cabbage blade in Shanghai of growth of choosing laboratory cultures is made the leaf dish of 8 centimetres of diameters, the leaf dish is immersed in the solution of medicament to be measured, take out to dry behind the 10s and place the culture dish that contains 1% agar or moisturizing filter paper, access examination worm whenever repeats to be no less than 10.Each processes 4 repetitions, and establishes and do not contain the medicament blank of (containing all organic solvents and emulsifier).Process checking examination worm death condition in rear 48 hours, record respectively total borer population and dead borer population.Adopt the method for probability value analysis that data are processed.Statistical data is processed with DPS software, obtains the LC50 of toxicity regression line, estimates reagent agent to the activity of examination worm, and calculates co-toxicity coefficient with the abundant method of Sun Yun.
Result of the test sees Table 3
Table 3: the multiple killing teichomycin pymetrozine is to the indoor joint toxicity measuring result of brassicaceous vegetable diamond-back moth
| Process | LC 50(mg/L) | AT1 | TTI | Co-toxicity coefficient CTC |
| Multiple killing teichomycin | 2.88 | 100.00 | ||
| Pymetrozine | 212.35 | 1.36 | ||
| Multiple killing teichomycin 1+ pymetrozine 20 | 33.34 | 8.64 | 6.05 | 142.70 |
| Multiple killing teichomycin 1+ pymetrozine 15 | 22.37 | 12.87 | 7.52 | 171.17 |
| Multiple killing teichomycin 1+ pymetrozine 10 | 13.12 | 21.95 | 10.32 | 212.63 |
| Multiple killing teichomycin 1+ pymetrozine 5 | 7.14 | 40.34 | 17.80 | 226.65 |
| Multiple killing teichomycin 1+ pymetrozine 1 | 3.38 | 85.21 | 50.68 | 168.13 |
| Multiple killing teichomycin 5+ pymetrozine 1 | 2.28 | 126.32 | 83.56 | 151.17 |
| Multiple killing teichomycin 10+ pymetrozine 1 | 2.28 | 126.32 | 91.03 | 138.76 |
| Multiple killing teichomycin 15+ pymetrozine 1 | 2.37 | 121.52 | 93.83 | 129.50 |
| Multiple killing teichomycin 20+ pymetrozine 1 | 2.51 | 114.74 | 95.30 | 120.40 |
The field control effectiveness test example
Embodiment 10 multiple killing teichomycin pymetrozines are to the field control effectiveness test of cotton prodenia litura and Bemisia tabaci
Tested in September, 2008 and carry out at lotus root pond, Gongan County, Hubei town one peasant household's cotton field.According to embodiment 1, and at the basis of embodiment 1 adjustment multiple killing teichomycin and the part by weight of pymetrozine and the weight percentage of two components, form the field trial example of 6 different dosage forms, roughly approach and every mu of preparation dosage (specifically seeing Table 4) of appropriate design mixture with effect composition dosage by every mu of multiple killing teichomycin or pymetrozine amine, dilute respectively the 1000-3000 processing of doubly spraying by the standard of every mu of water consumption 30-45kg again.Every mu of dosage 60 grams of contrast medicament 25 grams per liter multiple killing teichomycin suspending agents (farming of LG-DOW benefit) dilute 1000 times; Every mu of dosage of 50% pymetrozine water dispersing granule (Switzerland is just reaching first crop protection Co., Ltd) 20 grams dilute 1000 times; Other establishes the clear water blank.Totally 9 processing, every processing repeats 4 times, the residential quarter randomized arrangement.At dusk of prodenia litura low instar larvae phase spray medicine, before the spray medicine, investigate radix, carried out respectively efficacy survey behind the spray medicine in 1 day, 3 days, 7 days.
Result of the test sees Table 4
Table 4: the multiple killing teichomycin pymetrozine is to cotton prodenia litura and Bemisia tabaci efficiency test result
Embodiment 11 multiple killing teichomycin pymetrozines are to the field control effectiveness test of watermelon beet armyworm and melon thrips (Thrips palmiKarny)
Test in September, 2008 in the Haikou roughly one peasant household greenhouse watermelon ground, slope town carry out.According to embodiment 3 and embodiment 6, and at the basis of this two embodiment adjustment multiple killing teichomycin and the part by weight of pymetrozine and the weight percentage of two components, form the field trial example (specifically seeing Table 5) of 6 different dosage forms, press every mu of multiple killing teichomycin or pymetrozine with effect composition dosage quite or approach and every mu of preparation dosage of appropriate design, again by the standard dilution 600-10000 of the every mu of water consumption 30-45kg processing of doubly spraying respectively.Every mu of dosage 60 grams of contrast medicament 25 grams per liter multiple killing teichomycin suspending agents (farming of LG-DOW benefit) dilute 1000 times; Every mu of dosage of 50% pymetrozine water dispersing granule (Switzerland is just reaching first crop protection Co., Ltd) 30 grams dilute 1000 times; Other establishes the clear water blank.Totally 9 processing, every processing repeats 4 times, the residential quarter randomized arrangement.Spray medicine in the morning of prodenia litura low instar larvae phase, investigate radix in spray before the medicine, carried out respectively efficacy survey behind the spray medicine in 1 day, 3 days, 7 days.
Result of the test sees Table 5
Table 5: the multiple killing teichomycin pymetrozine is to the efficiency test result of watermelon beet armyworm and melon thrips
Embodiment 12 multiple killing teichomycin pymetrozines are to the field control effectiveness test of the blue or green a variety of Chinese cabbage diamond-back moth in Shanghai and aphid
Tested in April, 2008 and all carry out in one peasant household vegetable plot, East China town at the Guangzhou flower.According to embodiment 4, and at this embodiment basis adjustment multiple killing teichomycin and the part by weight of pymetrozine and the weight percentage of two components, form the field trial example of 6 different dosage forms, every mu of preparation dosage is about the same and appropriate design (specifically seeing Table 7) by unit are multiple killing teichomycin or pymetrozine effective ingredient consumption, by the standard dilution 600-6000 of the every mu of water consumption 30-45kg processing of doubly spraying respectively.Every mu of dosage 60 grams of contrast medicament 25 grams per liter multiple killing teichomycin suspending agents (farming of LG-DOW benefit) dilute 1000 times; Every mu of dosage of 50% pymetrozine water dispersing granule (Switzerland is just reaching first crop protection Co., Ltd) 30 grams dilute 1000 times; Other establishes the clear water blank.Totally 9 processing, every processing repeats 4 times, the residential quarter randomized arrangement.At dusk of diamond-back moth low instar larvae phase spray medicine, before the spray medicine, investigate radix, carried out respectively efficacy survey behind the spray medicine in 1 day, 3 days, 7 days.
Result of the test sees Table 7
Table 7: the multiple killing teichomycin pymetrozine is to the efficiency test result of the blue or green a variety of Chinese cabbage diamond-back moth in Shanghai and aphid
Embodiment 13 multiple killing teichomycin pymetrozines are to the efficiency test result of paddy rice rice leaf roller and small brown rice planthopper
Tested in July, 2008 and carry out in one peasant household rice field in the Shihhung, Kiangsu Province suburb.According to embodiment 5, and at the basis of this embodiment adjustment multiple killing teichomycin and the part by weight of pymetrozine and the weight percentage of two components, form the field trial example of 6 different dosage forms, every mu of dosage roughly quite designs (specifically seeing Table 8) by multiple killing teichomycin or pymetrozine unit are effective ingredient consumption, dilute 1000 times, the processing of spraying respectively; Every mu of dosage 60 grams of contrast medicament 25 grams per liter multiple killing teichomycin suspending agents (farming of LG-DOW benefit) dilute 1000 times; Every mu of dosage of 50% pymetrozine water dispersing granule (Switzerland is just reaching first crop protection Co., Ltd) 30 grams dilute 1000 times; Other establishes the clear water blank.Totally 9 processing, every processing repeats 4 times, the residential quarter randomized arrangement.At dusk of rice leaf roller 1-3 instar larvae phase spray medicine, before the spray medicine, investigate radix, carried out respectively efficacy survey behind the spray medicine in 1 day, 3 days, 7 days.
Result of the test sees Table 8
Table 8: the multiple killing teichomycin pymetrozine is to the field control effectiveness test result of paddy rice rice leaf roller and small brown rice planthopper
From the result of the test of embodiment 11-13, in the situation that unit are active ingredient dosage is close, composition has not only enlarged the control spectrum, and two components have obvious synergistic effect.
Claims (6)
1. a Pesticidal combination that contains multiple killing teichomycin contains A, two kinds of active components of B, and it is characterized in that: component A is multiple killing teichomycin, and B component is pymetrozine, and the parts by weight ratio of A and B is 1: 100-100: 1.
2. Pesticidal combination according to claim 1, it is characterized in that: the parts by weight ratio of A and B is preferably 1: 20-20: 1.
3. Pesticidal combination according to claim 1 and 2, it is characterized in that: composition can be made missible oil, wetting powder, microemulsion, aqueous emulsion, suspending agent, water dispersible granules on demand.
4. it is characterized in that according to claim 3: the total weight percentage of active component is 1%-99% in the composition.
5. Pesticidal combination according to claim 1 and 2 is characterized in that two kinds of active ingredients in the composition provide with independent dosage form, during use in described ratio make up a prescription or spraying equipment in mixed-shaped become composition.
6. the application of Pesticidal combination as claimed in claim 1 is characterized in that: be used for vegetables, fruit tree, cotton, paddy rice, wheat, corn and other economic crops, a drug is prevented and treated the number of different types insect.
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