CN104255759B - Containing the Pesticidal combination of matrine and metaflumizone - Google Patents
Containing the Pesticidal combination of matrine and metaflumizone Download PDFInfo
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- CN104255759B CN104255759B CN201410483717.6A CN201410483717A CN104255759B CN 104255759 B CN104255759 B CN 104255759B CN 201410483717 A CN201410483717 A CN 201410483717A CN 104255759 B CN104255759 B CN 104255759B
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- China
- Prior art keywords
- metaflumizone
- matrine
- pesticidal combination
- active ingredient
- pesticidal
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- 239000011976 maleic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of Pesticidal combination containing matrine and metaflumizone, belong to technical field of pesticide combination, resistance, the unconspicuous problem of drug effect is easily produced in order to solve existing agricultural chemicals, the active ingredient of described Pesticidal combination comprises matrine and metaflumizone, the weight ratio of matrine and metaflumizone is 1:1 ~ 80, and all the other compositions are agricultural chemicals auxiliary element.Synergistic effect of the present invention is obvious, and active ingredient field rate obviously reduces, and the drug effect lasting period is long, can reduce production and use cost, reduce the pollution to environment; Action site increases, and is conducive to the generation overcoming and delay pest resistance to insecticide; Expand insecticidal spectrum.
Description
Technical field
The invention belongs to technical field of pesticide combination, specifically, relate to a kind of Pesticidal combination containing matrine and metaflumizone.
Background technology
Along with the raising of health of people consciousness, most countries all pays much attention to the safety of agricultural product, very strict to the restriction of residue of pesticide.In order to reduce persticide residue, making great efforts development of new agricultural chemicals becomes the task of top priority.But novel agrochemical is along with the increase of usage amount and the not factor such as scientifical use, and cause pest resistance day by day serious, the pest species producing resistance is on the increase.Particularly to the Lepidoptera class pest that agricultural production is caused harm serious, because its breeding cycle is short, breeding amount is large, mobility is little, selfing degree is high, resistance development speed is relatively very fast.Meanwhile, the use agricultural chemicals of high strength, result in that Practice for Pesticide Residue in Agricultural Products exceeds standard, the series of problems such as contaminated environment and the increase of peasant's drug cost, is unfavorable for the sustainable development of agricultural.Therefore, development is efficient, low toxicity, low-residual, the different mechanism of action, have again the complex preparation of synergistic function simultaneously, not only contribute to the generation delaying pest resistance to insecticide, but also the service life of pesticide species can be extended, reduce using dosage, cost-saving, reduce the pollution to environment.
Matrine (Matrine) is a kind of agricultural chemical of natural plant, and it is made up through Solvent Extract methods such as ethanol of the dry root of leguminous plant kuh-seng, plant, fruit, and botanical pesticide derives from nature, can degrade at natural world.Generally do not pollute the environment and agricultural product, to people and livestock comparatively safe, to pest natural enemy injury little, and insect is difficult to produce antibody to it, have the feature of low toxicity, low-residual, can adhere to the high-quality of agricultural product, therefore botanical pesticide has wide market.Matrine is alkaloid, is generally Banlangen, and its main component has the multiple alkaloids such as matrine, sophocarpine, N-Oxysophocarpine, Sophoridine, the highest with matrine, oxymatrine concentration.Sterling outward appearance is white powder.Matrine is broad spectrum pesticide, has stomach toxicity and action of contace poison.It is to lepidopterous insects as cabbage caterpillar, tea caterpillar, diamond-back moth, rice-stem borer, paddy stem borer, and aphid, tea lesser leafhopper, trialeurodes vaporariorum etc. all have desirable preventive effect.Matrine is only to specific biological generation effect, and can decompose rapidly in the Nature, end product is carbonic acid gas and water, friendly with natural enemy to environment.It and general traditional chemical agricultural chemicals obvious differences are very green, environmental protection.
Metaflumizone (metaflumizone), belong to semicarbazones insecticides, it is by being attached on the acceptor of sodium-ion channel, block the sodium-ion channel on insect neuron axon film, make sodium ion not by axolemma, and then suppress nerve impulse polypide excessively to be loosened, benumbs, after several hours, insect stops taking food, dead in 1 to 3 days.This composition mainly kills off the insect pests with stomach poison function, and action of contace poison is less, without systemic action.Metaflumizone has obvious control efficiency to the caste Lepidoptera and coleoptera that chew and sting food, as excellent to control efficiency such as rice leaf roller, prodenia litura, cotton bollworm, tomato moth, beet armyworm, diamond-back moth, black cutworm, rice-stem borers, also there is good preventive effect to colorado potato beetles, flea beetle.He is to mammal impassivity toxicity, low to the acute toxicity of birds, to the low danger of honeybee, owing to can promptly be hydrolyzed and photodissociation in water, endangers without reality aquatile.
Summary of the invention
For solving the problem, the invention provides a kind of that not easily develop immunity to drugs, that there is synergistic effect Pesticidal combination containing matrine and metaflumizone.
The Pesticidal combination containing matrine and metaflumizone of the present invention, its active ingredient comprises matrine and metaflumizone, and the weight ratio of matrine and metaflumizone is 1:1 ~ 80.
Preferably, in described Pesticidal combination, the weight ratio of active ingredient matrine and metaflumizone is 1:1 ~ 30, more preferably 1:1 ~ 15.
Further, also comprise pesticidal preparations auxiliary element in described Pesticidal combination, the percentage by weight that the active ingredient wherein in Pesticidal combination accounts for Pesticidal combination is 1 ~ 80%, preferably 1 ~ 50%.
Further, described pesticidal preparations auxiliary element comprises carrier and auxiliary agent.Described carrier be one in water, solvent or filler, two kinds or three kinds, water is preferably deionized water; Described auxiliary agent at least comprises a kind of surfactant, according to different use occasions and demand, also can add other functional aids such as antifreezing agent, thickener, stabilizing agent, disintegrant, defoamer, other functional aids to be selected from antifreezing agent, thickener, stabilizing agent, disintegrant or defoamer one or more.
Described solvent is selected from one or more in vegetable oil, DMF, methyl alcohol, ethanol, ethylene glycol, propane diols, n-butanol, butyl glycol ether, acetone, cyclohexanone, 1-METHYLPYRROLIDONE, toluene, dimethylbenzene, ethyl acetate, dimethylacetylamide, triethanolamine, acetonitrile, isopropylamine, methyl oleate etc.
Described filler is selected from the mixture of one or more compositions in kaolin, diatomite, bentonite, attapulgite, white carbon, starch or precipitated calcium carbonate.
Described surfactant be selected from emulsifier, dispersant, wetting agent or bleeding agent one or more.Above-mentioned surfactant is single dose or the complex preparation of common non-ionic surface active agent or anion surfactant.
Described emulsifier is selected from OP series phosphate (thermally coupled distillation columns), 600# phosphate (phenyl phenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, agriculture breast 400# (benzyl dimethyl phenol polyoxyethyl ether), Nongru-700 # (alkylphenol-formaldehyde resin polyoxyethyl ether), peaceful newborn 36# (phenethyl fluosite polyoxyethyl ether), agriculture breast 1600# (phenethyl phenol polyoxyethanyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), BY series (castor oil polyoxyethylene ether), agriculture breast 33# (alkylaryl polyoxyethylene poly-oxygen propylene aether), Span series (sorbitol anhydride monostearate), mixtures of one or more compositions in TWEEN Series (anhydrous sorbitol fat acid ester polyoxyethylene ether) or AEO series (fatty alcohol-polyoxyethylene ether).
Described dispersant is selected from the mixture of one or more compositions in polycarboxylate, lignosulfonates, alkylphenol polyoxyethylene formaldehyde condensation products sulphate, alkyl benzene calcium sulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether, aliphatic acid polyethenoxy ether or fatty acid glyceride APEO.
Described wetting agent is selected from the mixture of one or more compositions in lauryl sodium sulfate, neopelex, Nekal BX, wetting and penetrating agent F, spaonin powder, silkworm excrement or soapberry powder.
Described bleeding agent is selected from the mixture of one or more compositions in penetrating agent JFC (fatty alcohol-polyoxyethylene ether), penetrant t (Maleic Acid Diisooctyl sulfonate), azone or organosilicon.
Described thickener is selected from the mixture of one or more compositions in gelatin, sodium carboxymethylcellulose, hydroxyethylcellulose, Sodium Polyacrylate, modified starch, xanthans, bentonite, silica or Magnesiumaluminumsilicate.。
Described antifreezing agent is selected from the mixture of one or more compositions in ethylene glycol, propane diols, glycerine or urea.
Described defoamer is selected from the mixture of one or more compositions in silicone oil, silicone compound, C10 ~ C20 saturated fat acid compounds or C8 ~ C10 aliphatic alcohols compound.
Described disintegrant is selected from the mixture of one or more compositions in bentonite, urea, ammonium sulfate, aluminium chloride, low-substituted hydroxypropyl cellulose, lactose, citric acid, succinic acid or sodium bicarbonate.
Described stabilizing agent is selected from epoxidized soybean oil, the mixture of one or more compositions in epoxychloropropane, BHT, ethyl acetate or triphenyl phosphate.
Material described above is all buied by market.
The present invention can be prepared into any one formulation that applicable agricultural production uses by known method, reasonable formulation has aqueous suspension agent, dispersible oil-suspending agent, suspension emulsion, aqueous emulsion, microemulsion, missible oil, wetting powder and water dispersible granules, it is for preventing and treating the cabbage caterpillar on vegetables, diamond-back moth, beet armyworm, prodenia litura, paddy rice rice leaf roller, striped rice borer, paddy stem borer, the multiple lepidoptera pest such as cotton bollworm, and aphid, trialeurodes vaporariorum, tea lesser leafhopper, the insects such as flea beetle, control efficiency is excellent, and the application dosage of each active ingredient can be reduced, improve control efficiency, reduce pest resistance to insecticide, extend the preventive effect time.
Compared with prior art, the invention has the beneficial effects as follows: synergistic effect is obvious, and drug effect significantly improves, and active ingredient field rate obviously reduces, and the drug effect lasting period is long, production and use cost can be reduced, reduce the pollution to environment; Action site increases, and is conducive to the generation overcoming and delay pest resistance to insecticide; Expand insecticidal spectrum, multiple simultaneous insect in Crop growing stage can be planted in a drug process Zhong Jian Zhiduo County; Matrine is botanical pesticide, can decompose rapidly in the Nature, and only to particular organisms generation effect, friendly with natural enemy to environment, alleviate the impact of composition on environment.
Embodiment
Below in conjunction with embodiment, the present invention is further explained.In embodiment, percentage is all weight percentage, and the treatment dosage of field efficacy is effective ingredient consumption.
Embodiment 1
A kind of Pesticidal combination containing matrine and metaflumizone, for wetting powder, its each composition and weight percentage are: matrine 0.5%, metaflumizone 40%, wetting agent lauryl sodium sulfate 5%, dispersant calcium lignosulfonate 8%, filler white carbon 18%, and surplus is filler kaolin.
Embodiment 2
A kind of Pesticidal combination containing matrine and metaflumizone, for wetting powder, its each composition and weight percentage are: matrine 1%, metaflumizone 30%, wetting agent lauryl sodium sulfate 8%, dispersant calcium lignosulfonate 12%, filler white carbon 18%, and surplus is filler kaolin.
The preparation method of embodiment 1 and 2: by formula rate, adds active ingredient matrine and metaflumizone in carrier, and adds surfactant and other functional aids wherein, mixing, and after air-flow crushing, mixing obtains wetting powder again.Capital equipment has mixer, airslide disintegrating mill.
Embodiment 3
A kind of Pesticidal combination containing matrine and metaflumizone, for water dispersible granules, each component and weight percentage are: matrine 2%, metaflumizone 40%, wetting agent dodecylbenzene sodium sulfonate 3%, dispersant alkylnaphthalene sulfonate formaldehyde condensation products 8%, surplus is filler attapulgite.
Embodiment 4
A kind of Pesticidal combination containing matrine and metaflumizone, for water dispersible granules, each component and weight percentage are: matrine 3%, metaflumizone 45%, wetting agent dodecylbenzene sodium sulfonate 4%, dispersant alkylnaphthalene sulfonate formaldehyde condensation products 10%, surplus is filler attapulgite.
The preparation method of embodiment 3 and 4: by formula rate, active ingredient matrine and metaflumizone are added in carrier, and add surfactant and other functional aids wherein, mixing, after air-flow crushing, add the water of 10 ~ 25%, then obtain water dispersible granules product through kneading, granulation, drying, screening; Maybe the powder pulverized is sprayed water in boiling granulator, granulation, drying, the afterwards obtained product of screening.Capital equipment has mixer, airslide disintegrating mill, kneader, Squeezinggranulator, drying room or fluid-bed drying, or boiling granulator, screening machine.
Embodiment 5
A kind of Pesticidal combination containing matrine and metaflumizone, for aqueous suspension agent, each component and weight percentage are: emulsifier agriculture breast NP-10, dispersant polycarboxylate 3%, antifreeze glycol 5%, the defoamer silicone compound 0.2% of matrine 3%, metaflumizone 30%, 2%, thickener selects xanthans and aluminium-magnesium silicate, consumption is respectively 0.1% and 1.5%, and surplus is water.
Embodiment 6
A kind of Pesticidal combination containing matrine and metaflumizone, for aqueous suspension agent, each component and weight percentage are: emulsifier agriculture breast NP-10, dispersant polycarboxylate 2%, antifreeze glycol 5%, the defoamer silicone compound 0.2% of matrine 2%, metaflumizone 16%, 2%, thickener selects xanthans and aluminium-magnesium silicate, and consumption is respectively 0.1% and 2%.Surplus is water.
The preparation method of embodiment 5 and 6: by formula rate, is placed in reactor successively by active ingredient matrine and metaflumizone, surfactant and other functional aids, adds water and mix, and through high speed shear, wet method sand milling, namely last homogeneous filtration obtains product.Capital equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.
Embodiment 7
A kind of Pesticidal combination containing matrine and metaflumizone, for aqueous emulsion, each component and weight percentage are: matrine 0.3%, metaflumizone 1.8%, antifreeze glycol 3%, solvent selects cyclohexanone and ethyl acetate, consumption is respectively 10% and 10% emulsifier and selects 601PT and BY125, consumption is respectively 2% and 3%, and surplus is water.
Embodiment 8
A kind of Pesticidal combination containing matrine and metaflumizone, for aqueous emulsion, each component and weight percentage are: matrine 0.5%, metaflumizone 2.5%, antifreeze glycol 3%, solvent selects cyclohexanone and ethyl acetate, consumption is respectively 15% and 20%, 601PT and BY125 selected by emulsifier, and consumption is respectively 2% and 3%, and surplus is water.
The preparation method of embodiment 7 and 8: by formula rate, first mixes active ingredient matrine and metaflumizone, solvent, emulsifier, dissolves and becomes uniform oil phase.Again by part water in Example formulations ratio, and other auxiliary agents mix, and dissolve and become uniform aqueous phase.Then oil phase is added aqueous phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, Pesticidal combination aqueous emulsion preparation of the present invention can be obtained.
Embodiment 9
A kind of Pesticidal combination containing matrine and metaflumizone, for microemulsion, each component and weight percentage are: active ingredient matrine 0.3%, metaflumizone 1.2%, solvent selects cyclohexanone and methyl alcohol, consumption is respectively 15% and 15%, agriculture breast 602# and agriculture breast 500# selected by emulsifier, and consumption is respectively 9% and 6%, and surplus is water.
Embodiment 10
A kind of Pesticidal combination containing matrine and metaflumizone, for microemulsion, each component and weight percentage are: active ingredient matrine 0.3%, metaflumizone 0.9%, solvent selects cyclohexanone and methyl alcohol, consumption is respectively 15% and 12%, agriculture breast 602# and agriculture breast 500# selected by emulsifier, and consumption is respectively 9% and 6%, and surplus is water.
The preparation method of embodiment 9 and embodiment 10: by formula rate, dissolves active ingredient matrine and metaflumizone solvent and cosolvent completely, and then adds other auxiliary agent, mix, finally add water, after fully stirring, Pesticidal combination microemulsion formulation of the present invention can be obtained.
Embodiment 11
A kind of Pesticidal combination containing matrine and metaflumizone, for missible oil, each component and weight percentage are: active ingredient matrine 2%, metaflumizone 4%, solvent cyclohexanone and ethyl acetate, consumption is respectively 20% and 20%, agriculture breast 601# and agriculture breast 500# selected by emulsifier, and consumption is respectively 6% and 4%, and surplus is dimethylbenzene.
Embodiment 12
A kind of Pesticidal combination containing matrine and metaflumizone, for missible oil, each component and weight percentage are: active ingredient matrine 3%, metaflumizone 3%, solvent cyclohexanone and ethyl acetate, consumption is respectively 25% and 15%, agriculture breast 601# and agriculture breast 500# selected by emulsifier, and consumption is respectively 6% and 4%, and surplus is dimethylbenzene.
The preparation method of embodiment 11 and 12: in Example formulations ratio, fully dissolve after active ingredient matrine and metaflumizone are added solvent, then become the oily liquids of transparent and homogeneous after stirring after adding other auxiliary agent, Pesticidal combination cream preparation of the present invention can be obtained.
Embodiment 13
Here is the indoor joint toxicity measuring data of the present invention to beet armyworm.
For examination worm: indoor beet armyworm 3 instar larvae of for many generations raising health.
Reagent agent: the female medicine of 10% matrine and the former medicine of 96% metaflumizone.
Test method: adopt the malicious blade method of folder to measure, specific as follows;
First beat with the card punch of diameter 1cm and get leaf butterfly, put into culture dish, moisturizing.Then with capillary dropper by each treatment agent from low concentration, every leaf butterfly drop 1ul liquid, after solvent volatilization and another sheet scribble that the leaf butterfly of gelatinized corn starch is involutory makes the malicious leaf butterfly of folder, make in the complete hole being put in 12 hole tissue culturing plates.Connect 1 examination worm in each hole of last tissue culturing plate, be placed in temperature 27 ± 1 DEG C, relative moisture is in the intelligent insectary of 70%.Connect worm after 2 ~ 4 hours, after examination worm has taken food pastille leaf butterfly, in cultivation plate hole, added clean feeds continue to raise to investigation, eliminate the examination worm not eaten a complete leaf butterfly.Often 4 repetition are established in process, often repeat to be no less than 12 malicious leaf butterflies of folder, and the process of establishing the corresponding organic solvent not containing medicament in contrast.After process, 72h investigation examination worm death condition, records total borer population and dead borer population.
The average correction lethality of examination worm is converted into probit value (Y), and concentration for the treatment of (mg/L) converts logarithm value (x) to, draws virulence regression equation Y=a+bx with method of least squares, calculates LC50 standard error equivalent.Co-toxicity coefficient CTC is calculated by the computational methods of Sun Yunpei.Computing formula is as follows: (take metaflumizone as standard agent, its toxicity index is 100):
Actual measurement toxicity index (ATI)=(standard agent LC50/ reagent agent LC50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
According to the NY/T11547.7-2006 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Table 1 matrine and metaflumizone are to the indoor joint toxicity measuring of beet armyworm
As can be seen from Table 1, matrine and metaflumizone are when weight ratio is composite in the scope of 1:1 ~ 1:80, co-toxicity coefficient (CTC) is all greater than 120, synergistic function is shown to beet armyworm, especially in the scope of 1:2 ~ 1:15, synergistic function is more obvious, co-toxicity coefficient (CTC) all more than 180, visible matrine and metaflumizone is composite has reasonability and feasibility.
Embodiment 14
Here is that the present invention is to the indoor joint toxicity measuring test of rice leaf roller and result.
For examination worm: indoor rice leaf roller 3 instar larvae of for many generations raising health.
Reagent agent: the female medicine of 10% matrine and the former medicine of 96% metaflumizone.
Test method: adopt rice-stem dipping method to measure, specific as follows:
First choose the rice strain in healthy and strong consistent booting mid-term, clean, be cut into company's root rice stem that 15cm is long, dry in the cool.Then the liquid rice stem dried being placed in respectively variable concentrations soaks 30s, dry after taking-up, root is encased with the rayon balls that clear water soaks, put into test tube (18cm × 1.8cm), afterwards indoor are for many generations raised in healthy rice leaf roller 3 instar larvae access test tube, often pipe connects 20, if 4 times are repeated and clear water control treatment.Finally be placed in temperature 27 ± 1 DEG C by connecing the test tube after worm, relative moisture is in the intelligent insectary of 70%, and after medicine, 72h checks and record dead larvae number.
The average correction lethality of examination worm is converted into probit value (Y), and concentration for the treatment of (mg/L) converts logarithm value (x) to, draws virulence regression equation Y=a+bx with method of least squares, calculates LC50 standard error equivalent.Co-toxicity coefficient CTC is calculated by the computational methods of Sun Yunpei.Computing formula is as follows: (take metaflumizone as standard agent, its toxicity index is 100):
Actual measurement toxicity index (ATI)=(standard agent LC50/ reagent agent LC50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
According to the NY/T11547.7-2006 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Table 2 matrine and metaflumizone are to the indoor joint toxicity measuring of rice leaf roller
As can be seen from Table 2, matrine and metaflumizone are when weight ratio is composite in the scope of 1:1 ~ 80, co-toxicity coefficient (CTC) is all greater than 120, synergistic function is shown to rice leaf roller, especially in the scope of 1:2 ~ 1:10, synergistic function is more obvious, co-toxicity coefficient (CTC) all more than 180, visible matrine and metaflumizone is composite has reasonability and feasibility.
Embodiment 15
Here is the field control effectiveness test data of the present invention to diamond-back moth.
This embodiment, for preventing and treating wild cabbage diamond-back moth, investigates insect population radix before dispenser, and after medicine, 3d, 7d, 10d investigate residual borer population of living respectively, investigation Shi Mei community is undertaken by diagonal 5 point sampling, often residual diamondback moth larvae looked on 2 strain wild cabbages, records borer population of living, and calculates control efficiency.Control efficiency computational methods are as follows.
Control efficiency (%)=(1-CK1 × Pt1/CK2 × Pt2) × 100.Wherein: CK1 represents insect population number before the medicine of check plot; Pt1 represents insect population number after treatment region medicine; CK2 represents insect population number after the medicine of check plot; Pt2 represents insect population number before treatment region medicine.
Table 3 respectively processes the result of the test of chemical control wild cabbage diamond-back moth
As can be seen from Table 3, embodiment 6 (2% matrine+16% metaflumizone suspending agent) obviously promotes along with the increase control efficiency of usage amount; Embodiment 6 is when preparation mu consumption is respectively 20g, 30g, 40g, after medicine, 3d, 7d, 10d are all better than each single dose to the preventive effect of wild cabbage diamond-back moth and are used alone, after medicine, 10d preventive effect all still reaches more than 80% simultaneously, illustrate that this compound drug has good lasting effect, in pilot survey process, do not find that this compound drug produces poisoning to wild cabbage.
Embodiment 16
Here is the field control effectiveness test of the present invention to rice leaf roller.
This embodiment, for preventing and treating paddy rice rice leaf roller, investigates insect population radix before dispenser, and after medicine, 3d, 7d, 10d investigate residual borer population of living respectively, investigation Shi Mei community adopts parallel great-jump-forward random sampling 15 point, 2 clumps often, totally 30 clumps of paddy rice, clap method record borer population alive with basin, calculate control efficiency.Control efficiency computational methods are as follows.
Control efficiency (%)=(1-CK1 × Pt1/CK2 × Pt2) × 100.Wherein: CK1 represents insect population number before the medicine of check plot; Pt1 represents insect population number after treatment region medicine; CK2 represents insect population number after the medicine of check plot; Pt2 represents insect population number before treatment region medicine.
Table 4 respectively processes the result of the test of chemical control paddy rice rice leaf roller.
As can be seen from Table 4, embodiment 6 (2% matrine+16% metaflumizone suspending agent) obviously promotes along with the increase control efficiency of usage amount; Embodiment 6 is when preparation mu consumption is respectively 20g, 30g, 40g, after medicine, 3d, 7d, 10d are all better than each single dose to the preventive effect of paddy rice rice leaf roller and are used alone, after medicine, 10d preventive effect all still reaches more than 80% simultaneously, illustrate that this compound drug has good lasting effect, in pilot survey process, do not find that this compound drug produces poisoning to paddy rice.
In sum, the present invention adopts two kinds of active components to be the complex composition of matrine and metaflumizone, there is synergistic function, compared with existing unitary agent, insecticidal effect significantly improves, and decreases two kinds of compositions consumption separately, contributes to delaying drug-fast generation, to crop safety, be worth applying in agricultural production.
Claims (11)
1. contain a Pesticidal combination for matrine and metaflumizone, it is characterized in that, its active ingredient comprises matrine and metaflumizone, and the weight ratio of matrine and metaflumizone is 1:1 ~ 80.
2. the Pesticidal combination containing matrine and metaflumizone according to claim 1, it is characterized in that, the weight ratio of described active ingredient matrine and metaflumizone is 1:1 ~ 30.
3. the Pesticidal combination containing matrine and metaflumizone according to claim 1, it is characterized in that, the weight ratio of described active ingredient matrine and metaflumizone is 1:1 ~ 15.
4. the Pesticidal combination containing matrine and metaflumizone according to claim 1, is characterized in that, also comprise pesticidal preparations auxiliary element in described Pesticidal combination.
5. the Pesticidal combination containing matrine and metaflumizone according to claim 4, it is characterized in that, in described Pesticidal combination, the percentage by weight of active ingredient in Pesticidal combination is 1 ~ 80%.
6. the Pesticidal combination containing matrine and metaflumizone according to claim 5, it is characterized in that, in described Pesticidal combination, the percentage by weight of active ingredient in Pesticidal combination is 1 ~ 50%.
7. the Pesticidal combination containing matrine and metaflumizone according to claim 4, it is characterized in that, described pesticidal preparations auxiliary element comprises carrier and auxiliary agent.
8. the Pesticidal combination containing matrine and metaflumizone according to claim 7, it is characterized in that, described carrier is solvent or filler.
9. the Pesticidal combination containing matrine and metaflumizone according to claim 8, it is characterized in that, described carrier is water.
10. the Pesticidal combination containing matrine and metaflumizone according to claim 7, it is characterized in that, described auxiliary agent comprises surfactant, antifreezing agent, thickener, stabilizing agent, disintegrant or defoamer.
11. Pesticidal combinations containing matrine and metaflumizone according to the arbitrary claim of claim 1 ~ 10, it is characterized in that, the formulation of described Pesticidal combination is wetting powder, water dispersible granules, aqueous suspension agent, aqueous emulsion, microemulsion or missible oil.
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| CN104255759B true CN104255759B (en) | 2016-03-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657204A (en) * | 2012-05-11 | 2012-09-12 | 湖南农业大学 | Synergetic insecticide composition |
| CN102805106A (en) * | 2012-07-23 | 2012-12-05 | 广东中迅农科股份有限公司 | Pesticide composition containing agritol and metaflumizone |
| CN103651475A (en) * | 2013-11-29 | 2014-03-26 | 许亚萍 | Insecticidal composition compounded by metaflumizone and rotenone |
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| JP2006131515A (en) * | 2004-11-04 | 2006-05-25 | Nippon Nohyaku Co Ltd | Agro-horticultural pest control composition and method of use |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657204A (en) * | 2012-05-11 | 2012-09-12 | 湖南农业大学 | Synergetic insecticide composition |
| CN102805106A (en) * | 2012-07-23 | 2012-12-05 | 广东中迅农科股份有限公司 | Pesticide composition containing agritol and metaflumizone |
| CN103651475A (en) * | 2013-11-29 | 2014-03-26 | 许亚萍 | Insecticidal composition compounded by metaflumizone and rotenone |
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