CN101708002A - Synergistic pesticide composition and application thereof - Google Patents
Synergistic pesticide composition and application thereof Download PDFInfo
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- CN101708002A CN101708002A CN200910213742A CN200910213742A CN101708002A CN 101708002 A CN101708002 A CN 101708002A CN 200910213742 A CN200910213742 A CN 200910213742A CN 200910213742 A CN200910213742 A CN 200910213742A CN 101708002 A CN101708002 A CN 101708002A
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Abstract
The invention relates to a synergistic pesticide composition and application thereof. The synergistic pesticide composition takes abamectin and buprofezin as active ingredients; and the weight part ratio of abamectin of buprofezin ranges is 1:10-1:150 and the total weight of abamectin and buprofezin accounts for 1 to 70 percent of the total weight of the pesticide composition. During practical application, the pesticide composition can be made into application formulations suitable for agricultural application including emulsifiable solution, microemulsion, aqueous emulsion, suspending agent, wettable powder, water dispersible granule, and the like. The synergistic pesticide composition is used in agricultural disinsection and particularly in rice planthopper prevention and control, thereby having obvious prevention and control effects on pests and contributing to preventing pests from generating pesticide resistance.
Description
Technical field
The composition pesticide that the present invention relates to is to be active ingredient with Avermectin and Buprofezin, is used to prevent and treat the insect on the agricultural, is particularly useful for preventing and treating water rice hopper.
Background technology
Rice fulgorid is one of primary pest on China's Rice Production, rice fulgorid is the circle stalk shooting stage to milking maturity latter stage to phase of mainly causing harm of paddy rice, adult and nymph can both be caused harm, thorn is inhaled juice in rice clump bottom, consume rice strain nutrient, and, cause rice strain poisoning atrophy from salivary gland secretion noxious material (aldehydes matter and multiple hydrolase).Rice fulgorid is when laying eggs, and its oopod can scratch rice stem stalk and leaf tissue, makes rice strain forfeiture moisture.In addition because thorn is drawn food, can be in the rice strain residual a lot of irregular scars, influence the conveying of moisture and nutrient, assimilation weakens, and causes rice seedling sallow or withered.Rice fulgorid secretion also often causes mould and grows, and influences paddy rice photosynthesis and respiration.Paddy rice is injured booting stage, yellow leaf, and it is short to grow, even can not ear; Milk ripe stage, be injured, and paddy thousand kernel weight alleviates, and shrivelled kernel increases, and causes rice strain bottom blackening when serious, and neat mud paralysis falls, and emits and wears lodging.Generally cause harm and lose two to three one-tenth, the loss three to fifty percent of seriously causing harm, even total crop failure.
But because single component medicament such as Imidacloprid uses for many years continuously, it is bad that rice fulgorid is prevented and treated actual control efficiency, develops immunity to drugs.
Avermectin (abamectin), it is a kind of macrolide disaccharide compounds.Be the natural products that from edaphon, separates, insect and mite class had tag and stomach poison function and faint fumigation action is arranged, no systemic action.But it has very strong osmosis to blade, can kill subepidermal insect, and the longevity of residure is long.What its mechanism of action was different with general insecticide is that it disturbs the neurophysiology activity, stimulate and discharge the r-aminobutyric acid, and the r-aminobutyric acid has inhibitory action to arthropodan nerve conduction, if mite and insect and larva with paralysis symptom promptly appears after medicament contacts, inertia is not got food, and is dead after two to four days.But though predatism and parasite are had direct killing effect, because of plant surface is residual few, therefore little to the damage of beneficial insect.
Buprofezin (buprofezin), a kind of new selective insecticide that suppresses the insect growth growth, action of contace poison is strong, and stomach poison function is also arranged.Mechanism of action is synthetic and disturb metabolism for suppressing insect chitin, causes nymph cast off a skin deformity or wing deformity and slowly dead.Just can find out effect in three to seven days after the general dispenser, adult not had direct killing power, but can shorten its life-span, reduce egg laying amount, and output be mostly addle-egg, even the also very fast death of larva hatching.Double wing purpose plant hopper, leafhopper, aleyrodid and scale insect class pest have good control efficiency, and the drug effect phase reached more than 30 days.Safer to natural enemy, comprehensive effect is good.
The synergy of agricultural chemicals is mixed, and is the common methods that improves preventive effect and the agriculture resistant insect of control.By Toxicity Determination, field trial etc., filter out rational prescription, can effectively improve actual control efficiency, delay the generation of pest resistance to insecticide, be the important means of integrated pest control.The inventor furthers investigate being mixed of Avermectin and Buprofezin, finds that Avermectin and being mixed of Buprofezin have obvious synergistic effect, after further study, have finished the present invention.
Insects such as the control water rice hopper that is mixed of Avermectin and Buprofezin still do not have report at present and use.
Summary of the invention
Technical problem to be solved: the objective of the invention is to solve in the prior art develop immunity to drugs problem and actual control efficiency of insect relatively poorly, the synergetic pesticide compositions that contains Avermectin and Buprofezin of pest such as a kind of effective control water rice hopper is provided.
Another object of the present invention is to provide the application of above-mentioned composition pesticide.
Technical scheme: for achieving the above object, the invention provides a kind of composition pesticide that contains Avermectin and Buprofezin, its effective ingredient is made up of Avermectin and Buprofezin.The ratio of weight and number of Avermectin and Buprofezin is between 1: 10～1: 150.
Further, described synergetic pesticide composition, the percentage by weight summation of the two weight summation of effective ingredient Avermectin and Buprofezin in composition pesticide is between 1%～70%.
Described synergetic pesticide composition can be mixed with the application forms of missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder, the suitable agricultural use of water dispersible granules according to well known to a person skilled in the art method.
Described synergetic pesticide composition also contains the auxiliary element of pesticidal preparations, and auxiliary element comprises mixing or one or more mixing in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, PH conditioning agent, defoamer, antifreezing agent, the packing agent.
Described composition pesticide is used for the purposes that agricultural goes up desinsection, is particularly useful for preventing and treating water rice hopper.
Composition pesticide provided by the invention adopts the method for spraying to use usually, also can adopt agricultural to go up other operation techniques of using as required.Chang Yong agricultural chemicals using method for example: spray-on process, bait method, seed treatment method, seed pelleting method, soil treatment method etc.
Compared with prior art, the beneficial effect that the present invention produces is: (1) is compared with single agent, and this composition pesticide has tangible synergy to insect, has improved control efficiency, and quick-acting and lasting effect obviously promote; (2) can effectively reduce the field pesticides usage amount, reduce pollution and the residue of pesticide of agricultural chemicals, and reduce drug cost environment; (3) mechanism of action of two kinds of active ingredients has nothing in common with each other in the composition pesticide, helps slowing down the generation of pest resistance to insecticide.(4) insecticidal spectrum of two kinds of active ingredients has complementary advantage in the composition pesticide, and can doublely harness the river rice two, paddy stem borer solve the problem that the snout moth's larva of rice and early stage rice fulgorid endanger simultaneously; (5) synergistic effect of two kinds of active ingredients in the composition pesticide has solved the problem that single rice fulgorid medicament can not doublely be controlled generation area three kinds of rice fulgorids (brown planthopper, small brown rice planthopper, white-backed planthopper) different with the harm characteristics.
Embodiment
In order to understand essence of the present invention better, be described further by following examples, but the present invention is not limited to these embodiment.In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Example of formulations 1 (being mixed with missible oil)
Avermectin 2%, Buprofezin 20%, the APEO 5% of surfactant nonionic, epoxidized soybean oil 0.5%, emulsifier 1601#10%, emulsifier 500#5%, surplus is ethanol and dimethylbenzene.Above-mentioned prescription is added evenly stirring in the reactor in proportion, make 22% Avermectin Buprofezin missible oil.
Except above-mentioned points, being mixed with missible oil also can be:
With Avermectin, Buprofezin is active ingredient, and the auxiliary element of its use comprises:
Solvent and cosolvent, solvent and cosolvent are arene, alcohols, ester class, ketone, amide-type etc., as toluene, dimethylbenzene, trimethylbenzene, dimethyl formamide, dimethyl sulfoxide (DMSO), methyl alcohol, ethylene glycol, isopropyl alcohol, acetone, cyclohexanone, pyrrolidones etc., solvent and cosolvent can be wherein one or more mixing.
Emulsifier, emulsifier can be fatty alcohol-polyoxyethylene ether, alkylbenzenesulfonate series, polyoxyethylene nonyl phenyl propyl group APEO, phenethyl phenol polyoxyethylene polyoxypropylene ether, castor oil ethylene oxide adduct and derivative thereof, first contract polyoxyethylene nonylphenol ether, phenethyl phenol APEO etc., and emulsifier can be wherein one or more mixing.
Antifreezing agent, antifreezing agent can be one or more the mixing in sodium chloride, urea, glycerine, ethylene glycol, propane diols, isopropyl alcohol, the sorbierite etc.
Stabilizing agent, stabilizing agent can be one or more the mixing in xanthan gum, Magnesiumaluminumsilicate, urea, methyl alcohol, benzinum, wettable starch, the cresyl glycidyl ether etc.
Defoamer, defoamer can be one or more the mixing in methyl alcohol, ethanol, organic silicone oil, the epoxy soybean wet goods.
PH value conditioning agent, pH value conditioning agent are one or more the mixing in acetic acid, hydrochloric acid, sodium hydroxide, the oxyammonia etc.
Auxiliary element solvent and cosolvent, emulsifier, antifreezing agent, stabilizing agent, defoamer, pH value conditioning agent can be its mixing or wherein one or more mixing.
Wherein represent embodiment to be: the percentage by weight summation of the two weight summation of active ingredient Avermectin and Buprofezin in composition pesticide is 50%～70%, solvent and cosolvent 10%-30%, emulsifier 5%-20%, antifreezing agent 1%-5%, stabilizing agent 0.5%-5%, defoamer 0.5%-5%, pH value conditioning agent 0%-1%, above-mentioned prescription is added evenly stirring in the reactor in proportion, make Avermectin Buprofezin missible oil.
Example of formulations 2 (preparation aqueous emulsion)
Avermectin 0.5%, Buprofezin 15%, N-Methyl pyrrolidone 10%, neopelex 8%, polyvinyl alcohol 3%, emulsifier 500#6%, organosilicon 0.5%, surplus is a deionized water.Above-mentioned prescription Central Plains medicine, solvent, emulsifiers dissolve are become even oil phase; With the mixed water that gets of water-soluble component and deionized water in the above-mentioned prescription; Under high-speed stirred, with oil phase and the mixed 15.5% Avermectin Buprofezin aqueous emulsion that gets of water.
Except above-mentioned points, being mixed with aqueous emulsion also can be:
With Avermectin, Buprofezin is active ingredient, and the auxiliary element of its use comprises:
Solvent and cosolvent, solvent and cosolvent can be one or more the mixing in castor oil, dimethylbenzene, soya-bean oil, machine oil, diesel oil, dimethyl formamide, methyl alcohol, ethylene glycol, isopropyl alcohol, the acetonitrile etc.
Emulsifier, emulsifier can be alkylbenzenesulfonate series, alkylphenol polyoxyethylene, styryl phenol polyethenoxy ether, castor oil polyoxyethylene ether, fatty acid polyglycol oxy alkylene ester, benzylphenol polyoxyethylene groups polyoxypropylene base ether, phosphoric acid ester etc.Emulsifier can be wherein one or more mixing.
Dispersant, dispersant are one or more the mixing in naphthalene or Fluhyzon formaldehyde condensation products and salt, fatty alcohol ethylene oxide adduct sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane addition product phosphate, alkylphenol-polyethenoxy based phosphates, carboxymethyl cellulose, polyvinyl alcohol, pyrrolidones, polyethylene glycol, gum Arabic etc.
Antifreezing agent, antifreezing agent can be one or more the mixing in glycerine, sodium chloride, urea, sorbierite, the ammonium sulfate etc.
Stabilizing agent, stabilizing agent can be one or more the mixing in xanthan gum, Magnesiumaluminumsilicate, urea, methyl alcohol, benzinum, wettable starch, the cresyl glycidyl ether etc.
Defoamer, defoamer can be epoxidized soybean oil, organic silicone oil, iodoxy amine, C
10-20The mixing of one or more in saturated fat acids, the ester ethers etc.
PH value conditioning agent, pH value conditioning agent are one or more the mixing in sodium hydroxide, oxyammonia, acetic acid, the hydrochloric acid etc.
Thickener, thickener are one or more the mixing in methylcellulose, polyvinyl alcohol, gum Arabic, wettable starch, the polyvinylpyrrolidone etc.
Auxiliary element solvent and cosolvent, emulsifier, dispersant, antifreezing agent, stabilizing agent, defoamer, pH value conditioning agent, thickener can be its mixing or wherein one or more mixing.
Wherein represent embodiment to be: the percentage by weight summation of the two weight summation of active ingredient Avermectin and Buprofezin in composition pesticide is 40%～60%, solvent and cosolvent 3%-20%, emulsifier 1%-15%, dispersant 0.5%-10%, antifreezing agent 0.5%-5%, stabilizing agent 0.5%-5%, defoamer 0.2%-5%, pH value conditioning agent 0%-1%, thickener 0%-5%, above-mentioned prescription is added evenly stirring in the reactor in proportion, make Avermectin Buprofezin aqueous emulsion.
Example of formulations 3 (preparation suspending agent)
Avermectin 0.5%, Buprofezin 25%, emulsifier 1601#12%, fatty acid amide sodium sulfonate 5%, condensation compound of methyl naphthalene sulfonic acid and formaldehyde 4%, bentonite 2%, xanthan gum 0.5%, silicone defoaming agent 0.4%, glycerine 5%, surplus is a deionized water.Above-mentioned prescription is pulverized in proportion in advance, added in the sand mill and grind, allotment makes 25.5% Avermectin buprofezin suspension agent after high shear mixing.
Except above-mentioned points, being mixed with suspending agent also can be:
With Avermectin, Buprofezin is active ingredient, and the auxiliary element of its use comprises:
Solvent and cosolvent, solvent and cosolvent can be one or more the mixing in castor oil, dimethylbenzene, soya-bean oil, machine oil, diesel oil, dimethyl formamide, methyl alcohol, ethylene glycol, isopropyl alcohol, the acetonitrile.
Wetting agent, wetting agent can be alkylbenzenesulfonate series, alkylphenol polyoxyethylene, styryl phenol polyethenoxy ether, castor oil ethylene oxide adduct and derivative thereof, fatty acid polyglycol oxy alkylene ester, benzylphenol polyoxyethylene groups polyoxypropylene base ether etc.Wetting agent can be wherein one or more mixing.
Dispersant, dispersant are one or more the mixing in naphthalene or Fluhyzon formaldehyde condensation products and salt, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol-polyethenoxy base ether sulfonate, lignin and derivative sulfonate thereof, polyvinylpyrrolidone, polyethylene glycol, polyvinyl alcohol, carboxymethyl cellulose etc.
Antifreezing agent, antifreezing agent can be one or more the mixing in glycerine, ethylene glycol, propane diols, sodium chloride, urea, the sorbierite etc.
Stabilizing agent, stabilizing agent can be one or more the mixing in xanthan gum, Magnesiumaluminumsilicate, urea, methyl alcohol, benzinum, wettable starch, the cresyl glycidyl ether etc.
Defoamer, defoamer can be one or more the mixing in organic silicone oil, methyl alcohol, ethanol, the epoxy soybean wet goods.
PH value conditioning agent, pH value conditioning agent are one or more the mixing in sodium hydroxide, oxyammonia, acetic acid, the hydrochloric acid etc.
Thickener, thickener are one or more the mixing in cellulose, polyvinyl alcohol, gum Arabic, wettable starch, the polyvinylpyrrolidone etc.
Auxiliary element solvent and cosolvent, wetting agent, dispersant, antifreezing agent, stabilizing agent, defoamer, pH value conditioning agent, thickener can be its mixing or wherein one or more mixing.
Wherein represent embodiment to be: the percentage by weight summation of the two weight summation of active ingredient Avermectin and Buprofezin in composition pesticide is 55%～70%, solvent and cosolvent 1%-10%, wetting agent 1%-15%, dispersant 1%-10%, antifreezing agent 0.5%-5%, stabilizing agent 0.5%-5%, defoamer 0.2%-5%, pH value conditioning agent 0%-1%, thickener 0%-5%, surplus is a deionized water, above-mentioned prescription is added in the reactor in proportion evenly stir, and makes the Avermectin buprofezin suspension agent.
Formulation examples 4 (preparation wetting powder)
Avermectin 0.1%, Buprofezin 14.9%, neopelex 6%, sodium lignin sulfonate 12%, talcum powder 5%, surplus is a kaolin.Above-mentioned prescription entered in the blender after the coarse crushing in proportion mix, behind comminution by gas stream, promptly make 15% Avermectin Buprofezin wetting powder again.
Except above-mentioned points, being mixed with wetting powder also can be:
With Avermectin, Buprofezin is active ingredient, and the auxiliary element of its use comprises:
Wetting agent, wetting agent can be that tea is withered, spaonin powder, bay alcohol radical sodium sulphate, neopelex, draw back one or more the mixing in powder, the washing powder etc.
Dispersant, dispersant can be one or more the mixing in fatty acid ethane addition product phosphate, lignin and derivative sulfonate thereof, alkyl phenol polyvinylether sulfonate, polyvinylpyrrolidone, polyvinyl alcohol, polyethylene glycol, naphthalene or Fluhyzon formaldehyde condensation products and salt, the alkylphenol-polyethenoxy based phosphates etc.
Filler, filler can be one or more the mixing in kaolin, white carbon, talcum powder, precipitated calcium carbonate, montmorillonite, diatomite, cellulose powder, urea, bark powder, the ammonium nitrate etc.
Auxiliary element wetting agent, dispersant, filler can be its mixing or wherein a kind of.
Wherein represent embodiment to be: the percentage by weight summation of the two weight summation of active ingredient Avermectin and Buprofezin in composition pesticide be 1%～30%, wetting agent 1%-30%%, dispersant 3%-30%, filler 10%-50%.Above-mentioned prescription entered in the blender after the coarse crushing in proportion mix, behind comminution by gas stream, promptly make Avermectin Buprofezin wetting powder again.
Example of formulations 5 (preparation water dispersible granules)
Avermectin 0.3%, Buprofezin 29.7%, lauryl sodium sulfate 6%, polycarboxylate 5%, sodium chloride 2%, polyethylene glycol 2%, surplus is a kaolin.Dry pulverization process, granulation, drying, screening make 30% Avermectin Buprofezin water-dispersible granules in proportion with above-mentioned prescription.
Except above-mentioned points, being mixed with water-dispersible granules also can be:
With Avermectin, Buprofezin is active ingredient, and the auxiliary element of its use comprises:
Wetting agent, wetting agent can be one or more the mixing in sodium alkyl benzene sulfonate, sodium lignin sulfonate, fatty alcohol, polyoxyethylene carboxylate sodium sulfonate and ammonium salt, alkyl sulfate, alkylphenol polyoxyethylene, spaonin powder, the withered powder of tea etc.
Dispersant, dispersant can be that ethoxylated dodecyl alcohol, naphthalenesulfonic acid-formaldehyde condensate (NNO), dioctyl sulfosuccinic acid are received, one or more the mixing among JFC, acrylate homopolymer sodium salt etc.
Carrier, carrier can be one or more the mixing in kaolin, white carbon, precipitated calcium carbonate, montmorillonite, talcum powder, the diatomite etc.
Disintegrant, disintegrant can be one or more the mixing in bentonite, urea, ammonium sulfate, sodium chloride, the magnesium chloride etc.
Binding agent, binding agent can be one or more the mixing in starch, gelatin, polyvinyl alcohol, polyethylene glycol, starch, cyclodextrin, soybean lecithin, the rosin etc.
Stabilizing agent, stabilizing agent can be one or more the mixing in benzinum, wettable starch, cresyl glycidyl ether, the sorbierite etc.
Auxiliary element wetting agent, dispersant, carrier, disintegrant, binding agent, stabilizing agent can be its mixing or wherein a kind of.
Wherein represent embodiment to be: the percentage by weight summation of the two weight summation of active ingredient Avermectin and Buprofezin in composition pesticide is 20%～60%, wetting agent 5%-20%, dispersant 3%-15%, disintegrant 1%-15%, binding agent 1%-8%, stabilizing agent 1%-8%, carrier 5%-45%.Dry pulverization process, granulation, drying, screening make Avermectin Buprofezin water-dispersible granules in proportion with above-mentioned prescription.
Example of formulations 6 (preparation microemulsion)
Avermectin 0.5%, Buprofezin 19.5%, N-Methyl pyrrolidone 3%, isopropyl alcohol 16%, emulsifier 500#5%, emulsifier 1601#3%, surplus is a deionized water.Above-mentioned former medicine, solvent, emulsifier are mixed in proportion, make it be dissolved as even oil phase; The mixed water that gets of water-soluble component and deionized water; Under agitation that oil phase is mixed with water, promptly make 20% Avermectin Buprofezin microemulsion.
Except above-mentioned points, being mixed with microemulsion also can be:
With Avermectin, Buprofezin is active ingredient, and the auxiliary element of its use comprises:
Solvent and cosolvent, solvent and cosolvent are arene, alcohols, ester class, ketone, amide-type etc., as toluene, dimethylbenzene, trimethylbenzene, dimethyl formamide, methyl alcohol, ethylene glycol, isopropyl alcohol, acetone, cyclohexanone etc., can be one or more mixing wherein.
Emulsifier, emulsifier can be alkylbenzenesulfonate series, fatty alcohol-polyoxyethylene ether, polyoxyethylene nonyl phenyl propyl group APEO, castor oil ethylene oxide adduct and derivative thereof, first contract polyoxyethylene nonylphenol ether, phenethyl phenol APEO etc., and emulsifier can be wherein one or more mixing.
Antifreezing agent, antifreezing agent can be one or more the mixing in glycerine, ethylene glycol, propane diols, sodium chloride, urea, the sorbierite etc.
Stabilizing agent, stabilizing agent can be one or more the mixing in xanthan gum, Magnesiumaluminumsilicate, urea, methyl alcohol, benzinum, wettable starch, the cresyl glycidyl ether etc.
Defoamer, defoamer can be one or more the mixing in organic silicone oil, methyl alcohol, ethanol, the epoxy soybean wet goods.
PH value conditioning agent, pH value conditioning agent are one or more the mixing in sodium hydroxide, oxyammonia, acetic acid, the hydrochloric acid etc.
Auxiliary element solvent and cosolvent, emulsifier, antifreezing agent, stabilizing agent, defoamer, pH value conditioning agent can be its mixing or several mixing or wherein a kind of.
Wherein represent embodiment to be: the percentage by weight summation of the two weight summation of active ingredient Avermectin and Buprofezin in composition pesticide be 60%～70%, solvent and cosolvent 10-30%, emulsifier 5-20%, antifreezing agent 1%-5%, stabilizing agent 0.5%-5%, defoamer 0.5%-5%, pH value conditioning agent 0%-1%.Above-mentioned former medicine, solvent, emulsifier are mixed in proportion, make it be dissolved as even oil phase; The mixed water that gets of water-soluble component and deionized water; Under agitation that oil phase is mixed with water, promptly make Avermectin Buprofezin microemulsion.
Biologicall test example 1
Avermectin and Buprofezin are mixed to the Toxicity Determination of water rice hopper
The inventor is mixed to Avermectin and Buprofezin and has carried out the Toxicity Determination research of control water rice hopper.
Gather rice fulgorid adult, indoor feeding to the nymph in 3 age of 2 generations from the field.Test medicine adopts the former medicine of 95% Avermectin, and the former medicine of 90% Buprofezin is mixed with required preparation by Huizhou City Zhongxun Chemical Industry Co., Ltd research and development centre.
The drop method that adopts NY/T1154.1-2006 to recommend is measured.With micro-dropper solvent clean, regulate dropper to stand-by state.Choose the examination worm of neat and consistent with writing brush and use CO
2Slight anesthesia is placed in the 9cm culture dish, then with micro-dropper with medicament by a drop on the pronotary that tries worm, every some drops physic liquor 1.0ul, with drop 1.0ul do not contain medicament but the processing that contains corresponding organic solvent compares.It is normally to cultivate in 75% the culturing room that examination worm behind the drop is transferred to (26 ± 2) ℃, relative moisture respectively.Every processing 4 times repeats, and whenever repeats to try 20 of worms, and each handles examination worm is 15.Handle back 48h investigation examination worm death condition (judging that for examination worm death standard be gently to sting no autonomic response with pin), write down total borer population and dead borer population.
According to survey data, calculate the corrected mortality that each is handled.And with reference to co-toxicity coefficient (the CTC value of NY/T1154.1-2006 employing grandson in abundant method calculating mixture.) if contrast lethality＜5%, do not proofread and correct; The contrast lethality is proofreaied and correct between 5%-20%; Contrast lethality＞20%, test need be reformed.Logarithm value with drug concentration (mg/L) is independent variable x, is dependent variable y with the probit value of corrected mortality, sets up the virulence regression equation formula respectively, adopts DPS software to calculate the LC of single agent and each proportioning mixture
50, LC
90, 95% confidence limit and mixture co-toxicity coefficient thereof, relatively synergy situation.
Table 1 Avermectin and Buprofezin and different proportioning are to water rice hopper toxicity test result
| Reagent agent | Virulence regression equation y=a+bx | Correlation coefficient | ??LC 50(mg/L) (95% confidence limit) | Co-toxicity coefficient (CTC value) | ??LC 90(mg/L) (95% confidence limit) |
| Avermectin | ??4.5039+2.0986x | ??0.9914 | ??1.72(1.39～??2.10) | ??- | ??7.03(5.21～??10.97) |
| Buprofezin | ??2.2908+2.0106x | ??0.9847 | ??22.26(17.49～??27.33) | ??- | ??96.58(72.16～??148.53) |
| Avermectin: Buprofezin (1: 10) | ??2.8595+1.8982x | ??0.9979 | ??13.42(10.79～??16.93) | ??144.38 | ??63.51(43.11～??117.17) |
| Avermectin: Buprofezin (1: 30) | ??3.0154+1.8555x | ??0.9993 | ??11.74(9.36～??14.68) | ??167.46 | ??57.58(39.76～??102.71) |
| Avermectin: Buprofezin (1: 50) | ??3.0633+1.890lx | ??0.9989 | ??10.58(8.40～??13.13) | ??187.92 | ??50.42(35.78～??85.40) |
| Avermectin: Buprofezin (1: 100) | ??3.0271+1.844lx | ??0.9970 | ??11.75(9.35～??14.71) | ??170.98 | ??58.19(40.07～??104.40) |
| Avermectin: Buprofezin (1: 150) | ??2.9975+1.7730x | ??0.9962 | ??13.47(10.71～??17.23) | ??150.27 | ??71.18(46.75～??140.29) |
According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤120 shows as antagonism; 120＜co-toxicity coefficient (CTC)＜120 shows as summation action.As can be seen from Table 1, Avermectin and Buprofezin are mixed, and in the scope of 1: 10～1: 150 (by weight), water rice hopper are all shown as synergistic effect.Avermectin and Buprofezin are mixed and have reasonability and feasibility.
Biologicall test example 2:
Avermectin and Buprofezin mixture preparation control water rice hopper field control effectiveness test
Reagent agent and dispenser dosage:
(2% Avermectin: 20% Buprofezin) (1#), mu restrains with preparation 25 (1) 22% Avermectin Buprofezin missible oil;
(0.5% Avermectin: 15% Buprofezin) (2#), mu restrains with preparation 40 (2) 15.5% Avermectin Buprofezin aqueous emulsions;
(0.5% Avermectin: 25% Buprofezin) (3#), mu restrains with preparation 20 (3) 25.5% Avermectin buprofezin suspension agents;
(0.1% Avermectin: 14.9% Buprofezin) (4#), mu restrains with preparation 50 (4) 15% Avermectin Buprofezin wetting powders;
(0.3% Avermectin: 29.7% Buprofezin) (5#), mu restrains with preparation 25 (5) 30% Avermectin Buprofezin water-dispersible granules;
(0.5% Avermectin: 19.5% Buprofezin) (6#), mu restrains with preparation 35 (6) 20% Avermectin Buprofezin microemulsions;
Contrast medicament and dispenser dosage
(1) 2% abamectin emulsifiable concentrate (7#), mu restrains with preparation 30;
(2) 25% Buprofezin wetting powders (8#), mu restrains with preparation 50;
Spraying time: incubate the Sheng phase to dispenser between the low age nymph at the water rice hopper ovum, convert the water even spraying, keep the 5 centimetres of left and right sides water layers in rice field during dispenser, dispenser is 2 times continuously, dispenser 7-10 days at interval.
Result of the test: see Table 2, as can be seen from the test results, after the dispenser 3 days, composition pesticide of the present invention to the control efficiency of water rice hopper all more than 86%, significantly better than single agent; After the dispenser 7 days and 14 days, composition pesticide of the present invention all more than 90%, also significantly better than single agent, illustrated that Pesticidal combination of the present invention all is being better than single agent aspect quick-acting and the lasting effect to the control efficiency of water rice hopper.Two kinds of pesticide active ingredient combinations in the composition pesticide of the present invention have the notable synergistic effect to insect in certain ratio range, improved drug effect, have reduced the usage amount of pesticide active ingredient, have reduced cost.
Simultaneously, we find that in process of the test composition pesticide of the present invention also has the well double effect of controlling to rice-stem borer, paddy stem borer.
The field control effectiveness test of table 2 control water rice hopper is table as a result
| Reagent agent | Preparation usage amount (gram/mu) | 1 day preventive effect (%) behind the medicine | 3 days preventive effects (%) behind the medicine | 7 days preventive effects (%) behind the medicine | 14 days preventive effects (%) behind the medicine |
| ??1# | ??25 | ??81.1 | ??86.1 | ??92.5 | ??95.9 |
| ??2# | ??40 | ??85.2 | ??87.7 | ??96.9 | ??97.4 |
| Reagent agent | Preparation usage amount (gram/mu) | 1 day preventive effect (%) behind the medicine | 3 days preventive effects (%) behind the medicine | 7 days preventive effects (%) behind the medicine | 14 days preventive effects (%) behind the medicine |
| ??3# | ??20 | ??87.5 | ??90.0 | ??94.2 | ??95.8 |
| ??4# | ??50 | ??87.4 | ??89.4 | ??96.1 | ??97.6 |
| ??5# | ??25 | ??88.7 | ??90.4 | ??89.2 | ??90.2 |
| ??6# | ??35 | ??86.6 | ??89.1 | ??95.8 | ??98.0 |
| ??7# | ??30 | ??68.9 | ??84.3 | ??87.6 | ??88.0 |
| ??8# | ??50 | ??78.2 | ??87.1 | ??90.2 | ??91.5 |
Claims (7)
1. synergetic pesticide composition, it is characterized in that: active ingredient is made up of Avermectin and Buprofezin.
2. synergetic pesticide composition according to claim 1, the ratio of weight and number that it is characterized in that Avermectin and Buprofezin is between 1: 10～1: 150.
3. synergetic pesticide composition according to claim 1 and 2 is characterized in that the percentage by weight summation of the two weight summation of active ingredient Avermectin and Buprofezin in composition pesticide is between 1%～70%.
4. synergetic pesticide composition according to claim 1 and 2 is characterized in that described composition pesticide also contains the auxiliary element of pesticidal preparations, so that composition pesticide is made the formulation that suitable agricultural is used.
5. synergetic pesticide composition according to claim 4 is characterized in that making the application forms that comprises missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules when practical application.
6. synergetic pesticide composition according to claim 4 is characterized in that auxiliary element comprises mixing or one or more mixing in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, PH conditioning agent, defoamer, antifreezing agent, the packing agent.
7. by claim 1,2,5 or 6 described synergetic pesticide compositions, it is characterized in that being used for the purposes that agricultural goes up desinsection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213742A CN101708002A (en) | 2009-12-11 | 2009-12-11 | Synergistic pesticide composition and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213742A CN101708002A (en) | 2009-12-11 | 2009-12-11 | Synergistic pesticide composition and application thereof |
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| CN101708002A true CN101708002A (en) | 2010-05-19 |
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| CN200910213742A Pending CN101708002A (en) | 2009-12-11 | 2009-12-11 | Synergistic pesticide composition and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027934A (en) * | 2010-11-26 | 2011-04-27 | 惠州市中迅化工有限公司 | Bactericidal composition containing fluopyram and difenoconazole and application thereof |
| CN102067846A (en) * | 2011-01-06 | 2011-05-25 | 北京燕化永乐农药有限公司 | Buprofezin-containing pesticide composition |
| CN106719729A (en) * | 2016-12-14 | 2017-05-31 | 安徽东健化工科技有限公司 | A kind of pollution-free high-efficient composition pesticide |
-
2009
- 2009-12-11 CN CN200910213742A patent/CN101708002A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027934A (en) * | 2010-11-26 | 2011-04-27 | 惠州市中迅化工有限公司 | Bactericidal composition containing fluopyram and difenoconazole and application thereof |
| CN102067846A (en) * | 2011-01-06 | 2011-05-25 | 北京燕化永乐农药有限公司 | Buprofezin-containing pesticide composition |
| CN102067846B (en) * | 2011-01-06 | 2013-08-28 | 北京燕化永乐农药有限公司 | Buprofezin-containing pesticide composition |
| CN106719729A (en) * | 2016-12-14 | 2017-05-31 | 安徽东健化工科技有限公司 | A kind of pollution-free high-efficient composition pesticide |
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