CN104920393A - Acaricidal composition containing cyenopyrafen and abamectin - Google Patents
Acaricidal composition containing cyenopyrafen and abamectin Download PDFInfo
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- CN104920393A CN104920393A CN201510254904.1A CN201510254904A CN104920393A CN 104920393 A CN104920393 A CN 104920393A CN 201510254904 A CN201510254904 A CN 201510254904A CN 104920393 A CN104920393 A CN 104920393A
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- grams
- avermectin
- nitrile pyrrole
- composition
- mite
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Landscapes
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Abstract
The invention discloses an acaricidal composition containing cyenopyrafen and abamectin and application thereof. According to the acaricidal composition containing cyenopyrafen and abamectin, an effective active ingredient consists of a first active ingredient, i.e., cyenopyrafen and a second active ingredient, i.e., abamectin, wherein the weight ratio of the first active ingredient to the second active ingredient is (200: 1) to (1: 200), and the sum of the content of the first active ingredient and the content of the second active ingredient is 2-50% the total weight of the composition. The composition disclosed by the invention can be prepared into agriculturally-allowed preparation forms such as suspensions, microemulsions, aqueous emulsions, dispersible oil suspensions, wettable powder and water-dispersible granules. The composition is reasonable in ingredient and has good effect on panonychus ulmi, tetranychus viennensis, tetranychus urticae, panonychus citri and tetranychus cinnabarinus, and the acaricidal effect of the composition is not equal to the simple superposition of activity of all ingredients; and compared with the existing single preparations, the composition has the advantages that the composition has a remarkable acaricidal effect and has a remarkable synergistic action, the dosage is reduced, and the safety for crops is good.
Description
Technical field
The present invention relates to a kind of miticide composition, by the first active component nitrile pyrrole mite ester, the second active component Avermectin and auxiliary agent composition, belong to technical field of compounded pesticide.
Background technology
Evil mite belongs to arachnids Acarina, of a great variety, harm various crop.Often be gathered in vacuum side of blade, adult, nymph are thrust in leaf with mouthpart and suck juice, make plant chlorophyll impaired, affect photosynthesis.Often there is canescence point or white patch in blade of being injured, what have causes part of damage hyperplasia, make blade upper process goitre shape or goitre spherical, or leaf rolling, shrinkage, sometimes whole blade is dried-up, and time serious, blade is withered comes off, even because the blade light that falls causes plant dead.In addition, many harmful mites also propagate viral diseases of plants and fungal disease.Agricultural Mites is one of obstacle of agricultural production, and because acaricidal Long-Time Service is even abused, many harmful mites create pesticide resistance to miticide.
Nitrile pyrrole mite ester, English common name: cyenopyrafen, chemical name: (E)-2-(4-tert-butyl phenyl)-2-cyano group-1-(1,2,3-trimethylpyrazol-5-base) thiazolinyl PA ester.Nitrile pyrrole mite ester is the novel pyrazoles contact killing type miticide developed by Nissan Chemical company for 2009, tool quick-acting and lasting effect.The mechanism of action is for activating by being metabolized to OH-form, produce active, this OH-form reaches the mitochondrial usefulness of suppression by upsetting complexⅱ (succinate dehydrogenase) on breathing transfer chain, after tert-butyl ester hydrolysis, outstanding inhibitory action is shown to mitochondrial protein Complex II, hinder electron transmission, destroy oxidative phosphorylation process.Various harmful mite on the crops such as energy effectively preventing and treating apple-tree, mandarin tree, vegetables, tea tree and cotton, with existing insecticidal/acaricidal agent without cross resistance.This compound obtains registration in Japan and Korea S.
Avermectin, English common name: abamectin is isolated natural products from edaphon, is a kind of farm antibiotics, its main mode of action be tag, stomach toxicity, infiltration capacity is strong.It is a kind of macrolide disaccharide compounds, has tag and stomach poison function, without systemic action to insects and mites.Its mechanism of action and general insecticide disturb neurophysiology movable unlike it, stimulate release r-aminobutyric acid, and r-aminobutyric acid has inhibitory action to arthropodan nerve conduction, if namely there is paralysis symptom after becoming mite to contact with medicament with larva with insect in mite class, inertia does not take food, dead after 2-4 days.It has very strong osmosis to blade, can kill subepidermal insect, and the longevity of residure is long.Simultaneously because consumption is little, easily degrade, thus environmentally safe, noresidue, to plant height safety.
Although nitrile pyrrole mite ester at present with existing insecticidal/acaricidal agent without cross resistance, Long-Time Service insect evil mite will certainly develop immunity to drugs to it; Avermectin has good effect for preventing and treating the insects such as striped rice borer, paddy stem borer, rice leaf roller, cotton bollworm, smaller green leaf hopper, mite class, nematode, but quick-acting is poor, and Long-Time Service, insect creates resistance to it.Applicant through test find, by nitrile pyrrole mite esters different for the mechanism of action with abamectin compounded, have the following advantages and beneficial effect: 1, use compound scheme, to mite class, there is notable synergistic effect, significantly improve control efficiency;
2, reduce dosage and times for spraying, reduce cost accounting;
3, overcome the shortcoming that long-term single use easily produces resistance, extend the service life of medicament.
Summary of the invention
The object of the present invention is to provide that a kind of component is reasonable, synergistic effect is remarkable, miticidal effect is good, drug cost is low, the miticide composition containing nitrile pyrrole mite ester and Avermectin to crop safety.
The miticide composition formulation provided containing nitrile pyrrole mite ester and Avermectin is provided.
Another object of the present invention is to provide the application of above-mentioned composition on control mite pest.
For achieving the above object, technical scheme of the present invention solves like this:
Contain a miticide composition for nitrile pyrrole mite ester and Avermectin, it is characterized in that,
(1) first active component: nitrile pyrrole mite ester;
(2) second active components: Avermectin;
The weight ratio of the first active component and the second active component is 200:1 ~ 1:200, and content sum is 2% ~ 50% of described composition total weight.
The preparation formulation that a kind of miticide composition containing nitrile pyrrole mite ester and Avermectin of the present invention can be prepared according to the method that those skilled in the art of the present technique are known is suspending agent, microemulsion, aqueous emulsion, dispersible oil-suspending agent, wetting powder, water dispersible granules.
To suspending agent, spendable auxiliary agent has: dispersant as polycarboxylate, lignosulfonates, alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether phosphate, alkylphenol-polyethenoxy base ether sulfonate, phenethyl phenol polyethenoxy base ether phosphate, alkyl polyoxyethylene ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, to pull open in powder, alkylpolyoxyethylene phosphate one or more; Wetting agent as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, alkylnaphthalene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer one or more; Thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose one or more; Preservative as in formaldehyde, benzoic acid, Sodium Benzoate, potassium sorbate, isothiazolinone one or more; Defoamer is as one or more in silicone oil, silicone compound, C10-20 saturated fat acid compounds, C8-10 aliphatic alcohols, hexanol, butanols, octanol; Antifreezing agent as in ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite, urea, inorganic salts one or more; Water is deionized water.
For microemulsion, spendable auxiliary agent has: emulsifier is selected from calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 #, agriculture breast 2201, this dish-60#, polysorbate60-#, TX-10, agriculture breast 1601(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), agriculture breast 600#, agriculture breast 400#; Assistant for emulsifying agent is selected from methyl alcohol, isopropyl alcohol, n-butanol, ethanol; Solvent is selected from cyclohexanone, 1-METHYLPYRROLIDONE, dimethylbenzene, toluene, solvent naphtha (trade mark: S-150, S-180, S-200); Stabilizing agent is selected from triphenyl phosphite, epoxychloropropane; Water is deionized water.
To aqueous emulsion, spendable auxiliary agent has: emulsifier is as Nonyl pheno (EO=10) ether phosphate, triphenoethyl benzene phenol polyethenoxy ether phosphate, Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this dish-60#(common name: Span60), Tween-60 #(common name: polyoxyethylene sorbitan stearate), TX-10(common name: octyl phenol polyoxyethylene (10) ether), agriculture breast 1601(common name: triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), agriculture breast 600#, agriculture breast 400# in one or more, solvent as dimethylbenzene, toluene, cyclohexanone, solvent naphtha (trade mark: S-150, S-180, S-200) one or more, stabilizing agent as in triphenyl phosphite, epoxychloropropane, epoxidized soybean oil one or more, antifreezing agent: ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more, thickener as in xanthans, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more, preservative as in formaldehyde, benzoic acid, Sodium Benzoate one or more, water is deionized water.
To dispersibling oil-suspending agent, spendable auxiliary agent has: dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), Huntsman Corporation of TERSPERSE 2020(U.S. HUNTSMAN produce, alkyl naphthalene sulfonic acid salt) in one or more, emulsifier is as BY(castor oil polyoxyethylene ether) serial emulsifier (BY-110, BY-125, BY-140), Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: sorbitan monostearate), Tween-60 #(common name: sorbitan monostearate APEO), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), Huntsman Corporation of the TERSPERSE 4894(U.S. produce) in one or more, wetting agent such as alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, Huntsman Corporation of the TERSPERSE 2500(U.S. produce) in one or more, thickener as in white carbon, polyvinyl alcohol, bentonite, aluminium-magnesium silicate one or more, antifreezing agent as ethylene glycol, propane diols, glycerine, urea, inorganic salts as in sodium chloride one or more, dispersion medium as in soybean oil, rapeseed oil, little wheat oil, methyl oleate, diesel oil, machine oil, mineral oil one or more.
To wetting powder, spendable auxiliary agent has: dispersant is as polycarboxylate, lignosulfonates, polyoxyethylene polyoxypropylene base ether block copolymers, alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether phosphate, aliphatic alcohol polyoxyvinethene phosphate, in alkylphenol-polyethenoxy base ether sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, alkylnaphthalene sulfonate one or more; Filler as ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
To water dispersible granules, spendable auxiliary agent has: dispersant as in polycarboxylate (TERSPERSE 2700, T36, GY-D06 etc.), lignosulfonates, alkylnaphthalene sulfonate one or more; Wetting agent as in alkyl sulfate, alkylsulfonate, naphthalene sulfonate one or more; Disintegrant as in ammonium sulfate, sodium sulphate, polyvinylpyrrolidone, starch and derivative thereof, bentonite one or more; Binding agent is as one or more in starch, glucose, polyvinyl alcohol, polyethylene glycol, sodium carboxymethylcellulose, sucrose; Filler as diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.
Instant component is reasonable, and miticidal effect is good, and drug cost is low, and its activity and miticidal effect are not the simple superposition of each composition activity, compared with existing unitary agent, have significant synergies, good to crop safety, meet the security requirement of pesticidal preparations.The present invention has significant control efficiency to mite pest.
Embodiment
Illustrate that nitrile pyrrole mite ester and Avermectin mixture are to the synergistic effect of Agricultural Mites below by Toxicity Determination test.
In order to prevent and treat panonychus ulmi (
panonychus ulmi), hawthron spider mite (
tetranychus viennensis), Tetranychus urticae (
tetranychus urticae), citrus red mite (
panonychus citri) and Tetranychus cinnabarinus (
tetranychus cinnabarinus), we are with nitrile pyrrole mite ester and abamectin compoundedly carry out synergistic effect research, concrete test method and result as follows.
Toxicity Determination method is: adopt the former medicine of 96% nitrile pyrrole mite ester, the former medicine of 95% Avermectin, according to the matched proportion density of setting, is configured to required liquid, for subsequent use.Be selected from field for examination mite class to gather and the one-tenth mite raising breeding in indoor, test method is with reference to " NY/T 1154.13-2008 farm-chemical indoor determination test rule insecticide the 13rd part: leaf disc spray ".
Choose the Apple Leaves of healthy growth, Citrus leaf and eggplant leaf, Apple Leaves is for doing the Toxicity Determination of panonychus ulmi, hawthron spider mite and Tetranychus urticae, Citrus leaf is for doing the Toxicity Determination of citrus red mite, and eggplant leaf is for doing the Toxicity Determination of Tetranychus cinnabarinus.With card punch, blade is made leaf dish, in culture dish, place one piece of wet sponge, put filter paper above sponge, foliation dish above filter paper, every ware puts 2 pieces of leaf dish, and select healthy, that the length of time the is consistent examination evil mite that supplies and be inoculated on leaf dish, every leaf dish inoculates 20.Under the culture dish being connected to leaf dish is placed in potter spray tower, spray under 50PSI pressure, spouting liquid is 1mL, takes out, be transferred to 25 DEG C after liquid sedimentation 1min, raises and observe under photoperiod L:D=(16,8) h.
After process, 48h checks examination worm death condition, records total borer population and dead borer population respectively.Often process repetition 4 times, if the process of spray clear water is blank.Test data DPS software statistics process, obtains virulence regression equation, the lethal concentration of 50, correlation coefficient etc., and obtains co-toxicity coefficient by the abundant method of Sun Yun.
The co-toxicity coefficient method representation that the co-toxicity of mixture preparation adopts Sun Yun abundant:
Co-toxicity coefficient method is adopted to evaluate the miticide composition containing nitrile pyrrole mite ester and Avermectin provided by the invention to the synergistic effect of panonychus ulmi, hawthron spider mite, Tetranychus urticae, citrus red mite, Tetranychus cinnabarinus, with the logarithm of drug concentration and medicament, regression equation is asked to the preventive effect probability value difference doing harm to mite, and calculate the right LC of medicament
50value, then tries to achieve co-toxicity coefficient.The synergy of compound drug to difference evil mite is evaluated with co-toxicity coefficient, co-toxicity coefficient >120 is expressed as synergistic effect, co-toxicity coefficient is expressed as summation action between 80 ~ 120, and co-toxicity coefficient <80 is expressed as antagonism.
Table 1 nitrile pyrrole mite ester and Avermectin mixture are to the toxicity test result of panonychus ulmi
Table 2 nitrile pyrrole mite ester and Avermectin mixture are to the toxicity test result of hawthron spider mite
Table 3 nitrile pyrrole mite ester and Avermectin mixture are to the toxicity test result of Tetranychus urticae
Table 4 nitrile pyrrole mite ester and Avermectin mixture are to the toxicity test result of citrus red mite
Table 5 nitrile pyrrole mite ester and Avermectin mixture are to the toxicity test result of Tetranychus cinnabarinus
Toxicity Determination result shows: nitrile pyrrole mite ester is mixed in the ratio 200:1 ~ 1:200 showing 1-5 with Avermectin, all have higher virulence to panonychus ulmi, hawthron spider mite, Tetranychus urticae, citrus red mite, Tetranychus cinnabarinus, when especially ratio is 20:1 ~ 1:20, synergistic effect is remarkable.
Below in conjunction with embodiment, content of the present invention is described further.
Example of formulations 1
Take 200 grams of nitrile pyrrole mite esters, 1 gram of Avermectin, 30 grams of phenethyl phenol polyethenoxy base ether phosphates, 20 grams of sodium lignin sulfonates, 5 grams of bentonites, 2 grams of xanthans, 30 grams of urea, 2 grams of benzoic acid, 10 restrain oneself alcohol, deionized water adds to 1000 gram weight parts.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with sand mill sand milling to particle diameter D
90obtained 20.1% nitrile pyrrole mite ester Avermectin suspending agent after being less than 10 μm.
Example of formulations 2
Take 297 grams of nitrile pyrrole mite esters, 3 grams of Avermectin, 30 grams of alkyl polyoxyethylene ether sodium sulfonates, 10 grams of alkyl phenol formaldehyde resin polyoxyethylene ethers, 5 grams of aluminium-magnesium silicates, 30 grams of ethylene glycol, 1 gram of benzoic acid, 10 grams of butanols, deionized water adds to 1000 gram weight parts.Above-mentioned raw materials is through mixing, and high speed shear dispersion 30min, with sand mill sand milling to particle diameter D
90obtained 30% nitrile pyrrole mite ester Avermectin suspending agent after being less than 10 μm.
Example of formulations 3
Take 98 grams of nitrile pyrrole mite esters, 2 grams of Avermectin, 50 grams of agriculture breasts, 2201,30 grams of these dishes-60#, 30 grams of polysorbate60-#, 50 grams of 1-METHYLPYRROLIDONEs, 40 grams of cyclohexanone, 50 grams of n-butanols, 10 grams of epoxychloropropane, through dissolving completely and mixing, deionized water adds to 1000 gram weight parts, obtained 10% nitrile pyrrole mite ester avermectin micro-emulsion after stirring.
Example of formulations 4
Take 200 grams of nitrile pyrrole mite esters, 10 grams of Avermectin, 50 grams of agriculture breasts, 1601,30 grams of agriculture breast 500#, 50 grams of agriculture breast 400#, 50 grams of toluene, 10 grams of cyclohexanone, 50 grams of isopropyl alcohols, 10 grams of triphenyl phosphites, through dissolving completely and mixing, deionized water adds to 1000 gram weight parts, obtained 21% nitrile pyrrole mite ester avermectin micro-emulsion after stirring.
Example of formulations 5
Take 300 grams of nitrile pyrrole mite esters, 30 grams of Avermectin, 30 grams of this dish-60#, 20 grams of triphenoethyl benzene phenol polyethenoxy ether phosphates, 20 grams of Tween-60 #, 20 grams of Nongru-700 #, 50 grams of glycerine, 100 grams of solvent naphtha S-200,50 grams of toluene, 2 grams of bentonites, 5 grams of Sodium Benzoates, deionized water adds to 1000 gram weight parts.Above-mentioned raw materials is through mixing, and high speed shear emulsification obtains 33% nitrile pyrrole mite ester abamectin aqueous emulsion.
Example of formulations 6
Take 400 grams of nitrile pyrrole mite esters, 100 grams of Avermectin, 80 grams of Nonyl pheno (EO=10) ether phosphates, 20 grams of Nongru-700 #, 40 grams of agriculture breasts, 1601,20 grams of Tween-60 #, 10 grams of epoxidized soybean oils, 20 grams of glycerine, 50 grams of cyclohexanone, 2 grams of bentonites, 5 grams of Sodium Benzoates, deionized water adds to 1000 gram weight parts.Above-mentioned raw materials is through mixing, and high speed shear emulsification obtains 50% nitrile pyrrole mite ester abamectin aqueous emulsion.
Example of formulations 7
Take 200 grams of nitrile pyrrole mite esters, 200 grams of Avermectin, 30 grams of alkylphenol polyoxyethylene phosphates, 40 grams of polyoxyethylene polyoxypropylene block copolymers, 50 grams of Tween-60 #, 25 grams of Nongru-700 #, 25 grams of calcium dodecyl benzene sulfonates, 10 grams of organobentonites, 10 grams of polyvinyl alcohol, 15 grams of BHT, cottonseed oil supplies 1000 grams.Above-mentioned raw materials through mixing, with sand mill sand milling to particle diameter be less than 5 μm namely obtained 40% nitrile pyrrole mite ester Avermectin dispersible oil-suspending agent.
Example of formulations 8
Take 2 grams of nitrile pyrrole mite esters, 18 grams of Avermectin, 40 grams of BY-110,35 grams of Huntsman Corporations of the TERSPERSE 2020(U.S. produce, alkyl naphthalene sulfonic acid salt), 50 grams of fatty alcohol-polyoxyethylene ether, 40 grams of agriculture breast 1601#, 25 grams of gas-phase silicas, 30 grams of epoxychloropropane, palm oil supplies 1000 grams.Above-mentioned raw materials through mixing, with sand mill sand milling to particle diameter be less than 5 μm namely obtained 2% nitrile pyrrole mite ester Avermectin dispersible oil-suspending agent.
Example of formulations 9
Take 20 grams of nitrile pyrrole mite esters, 400 grams of Avermectin, 40 grams of T36(polycarboxylic acid salts), 30 grams of Ufoxane 3A(lignin sulfonates), 30 grams of lauryl sodium sulfate, ammonium sulfate fills up to 1000 grams.Above-mentioned raw materials is prepared into 42% nitrile pyrrole mite ester Avermectin wetting powder through mixing, ultra micro air-flow crushing, hybrid technique step.
Example of formulations 10
Take 5 grams of nitrile pyrrole mite esters, 245 grams of carbendazim, 20 carats open powder BX(nekal), 10 grams of alkylphenol-polyethenoxy base ether phosphates, 10 grams of lauryl sodium sulfate, talcum powder fills up to 1000 grams.Above-mentioned raw materials is prepared into 25% nitrile pyrrole mite ester Avermectin wetting powder through mixing, ultra micro air-flow crushing, hybrid technique step.
Example of formulations 11
Take 4 grams of nitrile pyrrole mite esters, 396 grams of Avermectin, 30 grams of GY-D06(polycarboxylates, Huntsman Corporation of the U.S. produce), 30 grams of sodium lignin sulfonates, 20 grams of lauryl sodium sulfate, 20 grams of sodium alkyl sulfonates, attapulgite adds to 1000 gram weight parts.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 40% nitrile pyrrole mite ester Avermectin water dispersible granules.
Example of formulations 12
Take 2 grams of nitrile pyrrole mite esters, 400 grams of Avermectin, 15 grams of GY-D06,20 grams of sodium lignin sulfonates, 20 carats open powder BX(nekal), 15 grams of K-12(lauryl sodium sulfate), fine particle calcium carbonate adds to 1000 gram weight parts.Namely the method for above-mentioned raw materials frequent regulation water intaking dispersible granule mixes, ultra micro air-flow crushing, mixing, granulation step produce 40.2% nitrile pyrrole mite ester Avermectin water dispersible granules.
Biological Examples 1: control panonychus ulmi field control effectiveness test.
On April 20th, 2014 has carried out example of formulations 4(21% nitrile pyrrole mite ester avermectin micro-emulsion in Liu Jia village village, flames of war town, Liquan County, Xianyang, Shanxi province city), example of formulations 5(33% nitrile pyrrole mite ester abamectin aqueous emulsion) prevent and treat the field trial of panonychus ulmi, by with contrast medicament 30% nitrile pyrrole mite ester suspending agent, the effect of 1.8% abamectin emulsifiable concentrate contrasts, verify composite after synergistic effect.Each process repetition 4 times, community randomized arrangement, 3, every community tree, all communities cultivation condition uniformity.
Investigation method: every community marks the tender tip at the East, West, South, North of tree, middle five positions, investigates the movable mite quantity on 25 leaves altogether, directly observes blade face with hand magnifier, the quantity of statistics mite.Comparatively light if caused harm, investigation blade quantity can be increased.Process latter 1 day, 10 days, 15 days and respectively investigate once, record Mobile Forms mite number.
pTfor chemicals treatment district mite mouth decline rate;
cKfor blank district mite mouth decline rate.
Table 6 nitrile pyrrole mite ester and abamectin compounded control panonychus ulmi field control effectiveness test result
As can be seen from the above data, 21% nitrile pyrrole mite ester avermectin micro-emulsion dilutes 3000 times, 4000 times, 5000 times, 33% nitrile pyrrole mite ester abamectin aqueous emulsion dilutes 3500 times, 4500 times, preventive effect after 5500 times dilutes 3000 times apparently higher than 30% nitrile pyrrole mite ester suspending agent, 1.8% Avermectin dilutes the preventive effect of 2000 times, complex preparation is after medicine 1, 10, the preventive effect of 15 days has all exceeded 87%, and the preventive effect of single dose is respectively 77.60%, 74.66%, 66.96%, with 69.08%, 67.50%, 62.33%, nitrile pyrrole mite ester is described and abamectin compounded after have significant synergies.
Security survey, duration of test is observed, and all reagent agents, to apple development safety, occur without poisoning phenomenon.
Biological Examples 2: control citrus red mite field control effectiveness test.
On April 18th, 2014 has carried out example of formulations 6(50% nitrile pyrrole mite ester abamectin aqueous emulsion in Feng Yuan village, Fuzhou Shi Nanfeng County mulberry field town of Jiangxi Province), example of formulations 7(40% nitrile pyrrole mite ester Avermectin dispersibles oil-suspending agent) prevent and treat the field trial of citrus red mite, by with contrast medicament 30% nitrile pyrrole mite ester suspending agent, the effect of 1.8% abamectin emulsifiable concentrate contrasts, verify composite after synergistic effect.Each process repetition 4 times, community randomized arrangement, 3, every community tree, all communities cultivation condition uniformity.
Investigation method: 2 strains trees are investigated in every community, respectively mark 5, the killed blade of same slightly phase at the East, West, South, North of tree, middle five positions, every community investigates the movable mite quantity on 50 blades altogether.Directly leave dual sides is observed, the quantity of statistics mite alive with hand magnifier.Comparatively light if caused harm, investigation blade quantity can be increased.Process latter 1 day, 10 days, 15 days and respectively investigate once, record Mobile Forms mite number.
pTfor chemicals treatment district mite mouth decline rate;
cKfor blank district mite mouth decline rate.
Table 7 nitrile pyrrole mite ester and abamectin compoundedly prevent and treat citrus red mite field control effectiveness test result
As can be seen from the above data, 50% nitrile pyrrole mite ester abamectin aqueous emulsion dilutes 2500 times, 3000 times, 3500 times, 40% nitrile pyrrole mite ester Avermectin dispersibles oil-suspending agent and dilutes 4000 times, 4500 times, preventive effect after 5000 times will dilute 3000 times apparently higher than 30% nitrile pyrrole mite ester suspending agent, 1.8% Avermectin dilutes the preventive effect of 2000 times, complex preparation is after medicine 1, 10, the preventive effect of 15 days has all exceeded 86%, and the preventive effect of single dose is respectively 72.99%, 70.69%, 68.82%, with 76.98%, 72.64%, 66.40%, nitrile pyrrole mite ester is described and abamectin compounded after have significant synergies.
Security survey, duration of test is observed, and all reagent agents, to Ci trus growth safety, occur without poisoning phenomenon.
From above two embodiments, according to weight ratio, nitrile pyrrole mite ester and Avermectin are that 200:1 ~ 1:200 carries out composite, can be made into suspending agent, microemulsion, aqueous emulsion, dispersible oil-suspending agent, wetting powder, water dispersible granules, significant control efficiency is had to evil mite, synergistic effect is obvious, reduces dosage and drug cost, and to crop safety, be the favourable agents of control evil mite, have wide practical use on therefore producing.
In sum, composition of the present invention is employing two kinds of active component compound schemes, its activity and miticidal effect are not the simple superposition of each composition activity, compared with existing unitary agent, except having obvious miticidal effect, also have significant synergies, cost accounting reduces, to crop safety, meet the security requirement of pesticidal preparations.
Claims (4)
1. one kind contains the miticide composition of nitrile pyrrole mite ester and Avermectin, it is characterized in that: effective active composition is made up of the first active component nitrile pyrrole mite ester, the second active component Avermectin, the weight ratio of the first active component and the second active component is 200:1 ~ 1:200, and content sum is 2% ~ 50% of described composition total weight.
2. the miticide composition according to claim 1 containing nitrile pyrrole mite ester and Avermectin, is characterized in that described combination dosage form is suspending agent, microemulsion, aqueous emulsion, dispersibles oil-suspending agent, wetting powder and water dispersible granules.
3. the miticide composition according to claim 1 containing nitrile pyrrole mite ester and Avermectin is preventing and treating the purposes on crops evil mite.
4. the miticide composition according to claim 3 containing nitrile pyrrole mite ester and Avermectin is preventing and treating the purposes on panonychus ulmi, hawthron spider mite, Tetranychus urticae, citrus red mite and Tetranychus cinnabarinus.
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| CN107509735A (en) * | 2017-08-29 | 2017-12-26 | 浙江农林大学 | Synergistic mite killing composition and application thereof |
| CN108849914A (en) * | 2018-08-30 | 2018-11-23 | 浙江海正化工股份有限公司 | Agricultural chemical composition for disinsection and its preparation method and application |
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| JP2008150302A (en) * | 2006-12-15 | 2008-07-03 | Nissan Chem Ind Ltd | Insecticidal or acaricidal composition |
| JP2009209124A (en) * | 2008-02-06 | 2009-09-17 | Nissan Chem Ind Ltd | Insect- or acarian-controlling composition |
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| JP2004155693A (en) * | 2002-11-06 | 2004-06-03 | Nissan Chem Ind Ltd | Insecticidal, acaricidal, nematicidal, fungicidal or bactericidal composition, and method for controlling disease and insect pest |
| JP2008150302A (en) * | 2006-12-15 | 2008-07-03 | Nissan Chem Ind Ltd | Insecticidal or acaricidal composition |
| JP2009209124A (en) * | 2008-02-06 | 2009-09-17 | Nissan Chem Ind Ltd | Insect- or acarian-controlling composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107509735A (en) * | 2017-08-29 | 2017-12-26 | 浙江农林大学 | Synergistic mite killing composition and application thereof |
| CN107509735B (en) * | 2017-08-29 | 2020-09-11 | 浙江农林大学 | Synergistic acaricidal composition and use thereof |
| CN108849914A (en) * | 2018-08-30 | 2018-11-23 | 浙江海正化工股份有限公司 | Agricultural chemical composition for disinsection and its preparation method and application |
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