CN103250733A - Chlorpyrifos-containing insect disinfestation composition - Google Patents
Chlorpyrifos-containing insect disinfestation composition Download PDFInfo
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Abstract
The invention discloses a chlorpyrifos-containing insect disinfestation composition, which is mainly characterized by comprising an effective active component chlorpyrifos and an effective component B, wherein the effective component B is selected from thiamethoxam, clothianidin and thiacloprid, a weight ratio of the chlorpyrifos to the effective component B is 20:1-1:5, and the composition can be prepared into a microcapsule suspension and a microcapsule suspension-suspending agent. The composition can be provided for prevention and control of a plurality of insect pests, has characteristics of significant synergy effect and prevention and control spectrum expanding, provides high activities for pests on grassy crops, tea trees, vegetables, cotton and fruit trees, and further has advantages of slow release, pesticide amount reduction, safety on human and animals, no pesticide injury, good environment compatibility, strong preparation adhesion, rain erosion resistance, long lasting period and the like.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of Pesticidal combination that contains chlopyrifos.
Background technology
Chlopyrifos (chlorpyrifos) chemical name: O, O-diethyl-O-(3,5,6-trichloro-2-pyridyl) phosphorothionate, molecular formula: C
9H
11Cl
3NO
3PS, chlopyrifos is anticholinesterase, the residual life on blade, is not long, but the residual life in soil, is then longer, and good to the preventive effect of underground insect.To the tobacco sensitivity.
Thiophene worm piperazine (thiamethoxam) chemical name: 3-(2-chloro-1,3-thiazoles-5-ylmethyl)-5-methyl isophthalic acid, 3,5-oxadiazines-4-base fork (nitro) amine, thiophene worm piperazine is a kind of novel high-efficiency low-toxicity broad spectrum pesticide.Be second generation anabasine insecticide, the mechanism of action is similar to first generation anabasine insecticides such as Imidacloprids, but has higher activity.To insect have stomach toxicity, tag, systemic action, characteristics such as speed of action is fast, the lasting period is long.Better to preventive effects such as sucking pest such as aphid, plant hopper, leafhopper, aleyrodids.
Thiophene worm amine (clothianidin), chemical name: (E)-1-(2-chloro-1,3-thiazole-5-ylmethyl)-3-methyl-2-2-nitroguanidine, thiophene worm amine is a kind of insecticide in the anabasine, it is the novel pesticide of a class highly effective and safe, high selectivity, its effect is similar with nAChR, have tag, stomach toxicity and systemic activity.Be mainly used on paddy rice, vegetables, fruit tree and other crops anti-ly eliminating aphis, the insecticide of Semiptera, coleoptera, diptera and some Lepidoptera class pest such as leafhopper, thrips, plant hopper, have efficient, wide spectrum, consumption is few, toxicity is low, the drug effect lasting period long, crop is not had poisoning, uses safety, do not have advantages such as cross resistance with conventional pesticide, remarkable interior suction and osmosis are arranged, and are the another kinds that substitutes high malicious organophosphorous pesticide.Its novel structure, special, performance is compared more excellent with traditional nicotinic insecticide, and large-scale insecticide variety might become international.
Thiophene worm quinoline (thiacloprid) molecular formula: C
13H
5N
4SCl, the inferior cyanamide of chemical name: 3-(6-chloro-5-picoline)-1,3-thiazoles alkane-2-, the mechanism of action and other conventional pesticides of thiophene worm quinoline are different.It mainly acts on the neural caudacoria that engages of insect, by be combined interference insect nervous system normal conduction with nAChR, cause the obstruction of neural channel, cause a large amount of accumulation of acetylcholine, thereby make the insect exaltation, whole body spasm, paralysis and dead.Have stronger interior suction, tag and stomach poison function, do not have cross resistance with common insecticides such as pyrethroid, organic phosphates and carbamates, thereby can be used for resistance management,
Yet in the real process of agricultural production, the problem that pest control is easy to generate most is drug-fast generation.The different cultivars composition carries out composite, is the very common method of control resistant insect.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals all is additive effect, and the seldom composite of synergistic effect really arranged, especially synergistic effect very obviously, co-toxicity coefficient very high composite just still less.Test discovery in a large number through the inventor, chlopyrifos and Thiamethoxam compound, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline are composite to be made after micro-capsule suspension, the microcapsule suspension-suspending agent, synergistic effect is remarkable, Environmental compatibility is fabulous, greatly reduced the agricultural chemicals dosage, and the lasting period is 3-5 times of other formulations of use.
Summary of the invention
The resistance that the long-term use of the single agent of chlopyrifos may bring takes place, degradation problem under the drug effect, the Pesticidal combination that the present invention proposes contains the Pesticidal combination of chlopyrifos, by chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine or chlopyrifos and thiophene worm quinoline are composite, add an amount of auxiliary agent and make micro-capsule suspension, microcapsule suspension-suspending agent, be used for the control gramineous crop, tea tree, vegetables, cotton, the application of insect on the fruit tree, be mainly used in preventing and treating cabbage caterpillar, rice fulgorid, striped rice borer, rice leaf roller, cotton bollworm, peach fruit borer, scale insect, aphid, tea lesser leafhopper, cotten aphid, trialeurodes vaporariorum, leafhopper, thrips, effect is very outstanding, has obvious synergistic effect.
A kind of Pesticidal combination that contains chlopyrifos is characterized in that: the effective active composition is chlopyrifos and active ingredient B, and wherein the weight ratio of chlopyrifos and active ingredient B is 20: 1～1: 5, and active ingredient B is selected from thiophene worm piperazine, thiophene worm amine, thiophene worm quinoline.
The described Pesticidal combination that contains chlopyrifos is characterized in that: the weight ratio of chlopyrifos and active ingredient B is 15: 1～1: 3.
The described Pesticidal combination that contains chlopyrifos is characterized in that: the weight ratio of chlopyrifos and active ingredient B is 10: 1～1: 1.
The described Pesticidal combination that contains chlopyrifos, it is characterized in that composition removes active ingredient and also contains auxiliary agent, described auxiliary agent is one or more in emulsifier, solvent, antifreeze, surfactant, macromolecule cyst material, PH conditioning agent, defoamer, thickener, the water.
When the formulation of composition was suspension emulsion, the auxiliary agent of interpolation was that wetting dispersing agent surfactant, emulsifier, solvent, antifreeze, thickener, water add to 100%.
When the formulation of composition was micro-capsule suspension, the auxiliary agent of interpolation was that surfactant, emulsifier, solvent, PH conditioning agent, macromolecule cyst material, water add to 100%.
Composition is made micro-capsule suspension and is comprised following constituent content: chlopyrifos 1%～60%, active ingredient B1%～40%, macromolecule cyst material 1%～12%, surfactant 2%～10%, organic solvent 1%～15%, emulsifier 1%～8%, pH conditioning agent 0.1%～5%, deionized water adds to 100%.
The macromolecule cyst material is added the PH conditioning agent be heated to uniform temperature, obtain thick liquid, thin up forms stable prepolymer solution then, active ingredient B, chlopyrifos are dissolved in the organic solvent, be added to again in the prepolymer solution, add emulsifier, surfactant, and fully shear agitation is dispersed into superfine microgranular, add the PH conditioning agent again, and heat up, the catalysis polycondensation forms the microcapsules of firm difficult infiltration, makes micro-capsule suspension of the present invention.
When the formulation of composition was microcapsules suspension-suspending agent, the auxiliary agent of interpolation was that surfactant, emulsifier, solvent, PH conditioning agent, macromolecule cyst material, defoamer, thickener, water add to 100%.
Composition comprises following constituent content when making microcapsule suspension-suspending agent: chlopyrifos 1%～60%, active ingredient B1%～40%, macromolecule cyst material 2%～12%, surfactant 3%～15%, organic solvent 1%～5%, emulsifier 1%～6%, defoamer 0.2%～5%, thickener 0.2%～5%, pH conditioning agent 0.1%～5%, water add to 100%.
Adopt interfacial polymerization, to there be active ingredient B, macromolecule cyst material, organic solvent to mix in the above-mentioned prescription, make and be dissolved into even oil phase, oil phase is joined under shearing condition in the aqueous phase solution that contains emulsifier, pH conditioning agent, two kinds of materials react at oil-water interfaces, form the macromolecule cyst wall around the drop that contains chemical substance, make active ingredient B micro-capsule suspension.Surfactant, defoamer, thickener, antifreeze are mixed through high speed shear, add the former medicine of chlopyrifos, ball milling is 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make the chlopyrifos suspending agent, to be dissolved in chlopyrifos suspending agent stable in the water then and join in the aqueous phase solution of active ingredient B micro-capsule suspension, make the finely disseminated microcapsule suspension of the present composition-suspending agent product.
Described surfactant is selected from the dodecylbenzene sodium sulfonate, ethylenediamine, lignosulfonates, the di-2-ethylhexylphosphine oxide naphthalene sulfonate, di-2-ethylhexylphosphine oxide methyl naphthalene sulfonic acid salt, propane diols polyoxyethylene polyoxypropylene block polyether, triphenylethylene phenol formaldehyde resin polyoxyethylene ether phosphate salt, polymeric polycarboxylic acid salt, alkylaryl phenol polyethenoxy succinate sulfonate, octylphenol polyethylene oxyethylene group ether sulfate, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, polyoxyethylene carboxylate, the ester polyoxyethylene is phonetic, the fatty acyl amido is to methoxy benzenesulfonic acid sodium, phenylethylene-maleic anhydride copolymerization sodium salt emulsion, Nekal BX, wetting and penetrating agent F, wetting agent T, spaonin powder, tea is withered, in the silkworm excrement one or more.
The macromolecule cyst material is selected from one or more in urea, formaldehyde, PIC, polyfunctional group acyl halide polyamines, polyfunctional group acyl halide dihydroxylic alcohols, sodium alginate, polyvinyl alcohol, gelatin, gum Arabic, sucrose, modified starch, maltose, distortion milk protein, glycerine, calcium chloride, carboxymethyl cellulose, the beta-schardinger dextrin-.
Described emulsifier is selected from: farming breast 500
#(alkyl benzene calcium sulfonate), OP series phosphate (polyoxyethylene nonylphenol ether phosphate), 600
#Phosphate (phenyl phenol polyoxy ethyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, farming breast 400
#(benzyl dimethyl phenol polyoxy ethyl ether), farming breast 600
#(phenyl phenol polyoxy ethyl ether), Nongru-700
#(alkylphenol-formaldehyde resin polyoxy ethyl ether), farming breast 36
#(phenethyl fluosite polyoxy ethyl ether), farming breast 1600
#(phenethyl phenol polyoxy ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), By series (castor oil polyoxyethylene ether), farming breast 33
#(alkylaryl polyoxyethylene polyoxypropylene ether), farming breast 34
#In (alkylaryl polyoxyethylene poly-oxygen propylene aether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), EO series (the pure APEO of fat), AEO series (fatty alcohol-polyoxyethylene ether), styrene, ethene, vinyl alcohol, vinylacetate, acrylate, methacrylate, Sodium Polyacrylate, sodium polymethacrylate, the phosphate NP series one or more.
Described solvent is selected from acetone, cyclohexanone, polyethylene glycol, methyl alcohol, dimethylbenzene, vegetable oil, solvent naphtha, carrene, 2, one or more in 4-toluene di-isocyanate(TDI), ethyl acetate, ethanol, the propyl alcohol.
Described PH conditioning agent is selected from one or more in sodium hydroxide, hydrochloric acid, citric acid, the sorbic acid.
Described antifreeze is selected from: one or both in ethylene glycol, glycerine, the polyethylene glycol.
Described defoamer is selected from: C
8～10Aliphatic alcohols, C
10～20In saturated fat acids, the silicone defoaming agent one or both.
Described thickener is selected from: one or more in gum Arabic, white dextrin, methylcellulose, PAA, polyvinylpyrrolidone, crospolyvinylpyrrolidone, polyethylene glycol, the polyvinyl alcohol.
The Pesticidal combination that chlopyrifos disclosed in this invention and thiophene worm piperazine, chlopyrifos and thiophene worm amine or chlopyrifos and thiophene worm quinoline are composite, its advantage is:
(1) active ingredient discharges slowly after the dispenser, and the lasting period reached more than 120～150 days, not only saves medicament but also save man-hour, and insect also is difficult for developing immunity to drugs.
(2) improved the stability of effective active composition, can use with other agricultural chemicals, growth regulator, little fertilizer, and not have poisoning, can avoid when being used for seed dressing or irritating root medicament to kind, seedling harm.
(3) active component is wrapped in and has improved safety in the cyst wall, has realized that high-toxic pesticide is low to poison.
(4) the present invention has reduced the stimulus to the sense organ of liquid pesticidal to human body, has covered the bad smell of former medicine.
(5) reduced poisoning to crop, be processed into micro-capsule suspension after, active ingredient is wrapped in the cyst material, active component can directly not contact the target biology, can alleviate poisoning, is beneficial to environmental protection.Consumption of organic solvent reduces, to the person poultry safety, can avoid medicament to kind, the harm of seedling, no poisoning.
Embodiment
Below in conjunction with the further instruction of the present invention of embodiment, the percentage among the embodiment all is weight percentage, but the present invention is not limited thereto.
Application Example one micro-capsule suspension
Example 1 20% chlopyrifos thiophene worm piperazine micro-capsule suspension
Chlopyrifos 16%, thiophene worm piperazine 4%, sodium alginate 3%, maltose 2%, dodecylbenzene sodium sulfonate 5%, ester polyoxyethylene are phonetic 2.4%, cyclohexanone 6%, alkylphenol-formaldehyde resin polyoxy ethyl ether 5%, citric acid 0.9%, sodium hydroxide 0.6%, deionized water add to 100% weight portion, make 20% chlopyrifos thiophene worm piperazine micro-capsule suspension.
Thiophene worm piperazine is changed to thiophene worm amine or thiophene worm quinoline forms new embodiment.
Example 2 22% chlopyrifos thiophene worm piperazine micro-capsule suspensions
Chlopyrifos 20%, thiophene worm piperazine 2%, polyvinyl alcohol 5%, lignosulfonates 3%, glycerine 4%, ethyl acetate 2%, dimethylbenzene 5%, castor oil polyoxyethylene ether 6%, sorbic acid 0.7%, sodium hydroxide 0.8%, deionized water add to 100% weight portion, make 22% chlopyrifos thiophene worm piperazine micro-capsule suspension.
Thiophene worm piperazine is changed to thiophene worm amine or thiophene worm quinoline forms new embodiment.
Example 3 25% chlopyrifos thiophene worm piperazine micro-capsule suspensions
Chlopyrifos 15%, thiophene worm piperazine 10%, polyfunctional group acyl halide dihydroxylic alcohols 6%, beta-schardinger dextrin-2%, di-2-ethylhexylphosphine oxide methyl naphthalene sulfonic acid salt 3%, vegetable oil 4%, dimethylbenzene 3%, ethylene glycol 4%, sorbitan fatty acid ester APEO 6%; citric acid 1.2%, sodium hydroxide 0.6%, deionized water add to 100% weight portion, make 25% chlopyrifos thiophene worm piperazine micro-capsule suspension.
Thiophene worm piperazine is changed to thiophene worm amine or thiophene worm quinoline forms new embodiment.
Example 4 36% chlopyrifos thiophene worm piperazine micro-capsule suspensions
Chlopyrifos 30%, thiophene worm piperazine 6%, urea 3.5%, polyoxyethylene carboxylate 4.6%, Nekal BX 5%, acetone 3.2%, carrene 2.8%, solvent naphtha 5%, ethylene oxide-propylene oxide block copolymer 6%, sodium hydroxide 1.2%, hydrochloric acid 1.1%, deionized water add to 100% weight portion, the mixed 36% chlopyrifos thiophene worm piperazine micro-capsule suspension that gets.
Thiophene worm piperazine is changed to thiophene worm amine or thiophene worm quinoline forms new embodiment.
Example 5 40% chlopyrifos thiophene worm amine micro-capsule suspensions
Chlopyrifos 30%, thiophene worm amine 10%, carboxymethyl cellulose 2.5%, PIC 4.2%, glycerine 2%, dodecylbenzene sodium sulfonate 4%, alkylphenol-polyethenoxy are phonetic 3%, styrene polyoxyethylene ether ammonium sulfate salt 5%, polyoxyethylene nonylphenol ether 4%, PH conditioning agent sodium hydroxide and sorbic acid amount to 2.5%, deionized water adds to 100% weight portion, mixed 40% chlopyrifos thiophene worm amine micro-capsule suspension.
Thiophene worm amine is changed to thiophene worm piperazine or thiophene worm quinoline forms new embodiment.
Example 6 45% chlopyrifos thiophene worm amine micro-capsule suspensions
Chlopyrifos 40%, thiophene worm amine 5%, gum Arabic 6%, spaonin powder 2%, lignosulfonates 5%, acetone 3.2%, alkylphenol-formaldehyde resin polyoxy ethyl ether 4.1%, By series 5%, PH conditioning agent sodium hydroxide and citric acid amount to 2%, deionized water adds to 100% weight portion, mixed 45% chlopyrifos thiophene worm amine micro-capsule suspension.
Thiophene worm amine is changed to thiophene worm piperazine or thiophene worm quinoline forms new embodiment.
Example 7 42% chlopyrifos thiophene worm amine micro-capsule suspensions
Chlopyrifos 35%, thiophene worm amine 7%, polyfunctional group acyl halide polyamines 1.5%, glycerine 2.8%, polyvinyl alcohol 3%, phenylethylene-maleic anhydride copolymerization sodium salt emulsion 4%, dodecylbenzene sodium sulfonate 3.8%, vegetable oil 2%, 2; 4-toluene di-isocyanate(TDI) 6%, phenyl phenol polyoxy ethyl ether phosphate 2%, PH conditioning agent sodium hydroxide and hydrochloric acid amount to 4%, deionized water adds to 100% weight portion, mixed 42% chlopyrifos thiophene worm amine micro-capsule suspension.
Thiophene worm amine is changed to thiophene worm piperazine or thiophene worm quinoline forms new embodiment.
Example 8 60% chlopyrifos thiophene worm amine micro-capsule suspensions
Chlopyrifos 40%, thiophene worm amine 20%, formaldehyde 4.%, carboxymethyl cellulose 5%, gelatin 3%, di-2-ethylhexylphosphine oxide naphthalene sulfonate 2.5%, polyoxyethylene carboxylate 4%, dimethylbenzene 6%, ethanol 2%, fatty alcohol-polyoxyethylene ether 4%, vinyl alcohol 2.6%, farming breast 400
#5%, PH conditioning agent sodium hydroxide and sorbic acid amount to 3.1%, deionized water adds to 100% weight portion, mixed 60% chlopyrifos thiophene worm amine micro-capsule suspension.
Thiophene worm amine is changed to thiophene worm piperazine or thiophene worm quinoline forms new embodiment.
Application Example two microcapsule suspensions-suspending agent
Example 9 10% chlopyrifos thiophene worm piperazine microcapsule suspension-suspending agents
Chlopyrifos 5%, thiophene worm piperazine 5%, modified starch 3%, calcium chloride 4%, fatty acyl amido be to methoxy benzenesulfonic acid sodium 6%, wetting agent T2.5%, methyl alcohol 4%, cyclohexanone 3%, farming breast 500
#5%, the farming breast 33
#4%, C
8～10Aliphatic alcohols 0.6%, white dextrin 1.2%, pH conditioning agent sodium hydroxide and citric acid amount to 3.8%, water adds to 100% weight portion, make 10% chlopyrifos thiophene worm piperazine microcapsule suspension-suspending agent.
Thiophene worm piperazine is changed to thiophene worm amine or thiophene worm quinoline forms new embodiment.
Example 10 12% chlopyrifos thiophene worm piperazine microcapsule suspension-suspending agents
Chlopyrifos 2%, thiophene worm piperazine 10%, polyfunctional group acyl halide polyamines 3.5%, gum Arabic 2.5%, sucrose 4%, Nekal BX 8%, the phonetic formaldehyde condensation products sulphate 1.5% of alkylphenol-polyethenoxy, dimethylbenzene 3.2%, solvent naphtha 4%, alkyl biphenyl ether disulfonic acid magnesium salts 6%, sapn series 4%, silicone defoaming agent 0.4%, PAA 1.2%, pH conditioning agent sodium hydroxide and hydrochloric acid amount to 2%, deionized water adds to 100% weight portion, mixed 12% chlopyrifos thiophene worm piperazine microcapsule suspension-suspending agent.
Thiophene worm piperazine is changed to thiophene worm amine or thiophene worm quinoline forms new embodiment.
Example 11 27% chlopyrifos thiophene worm piperazine microcapsule suspension-suspending agents
Chlopyrifos 24%, thiophene worm piperazine 3%, urea 4%, dodecylbenzene sodium sulfonate 3.8%, silkworm excrement 4.5%, carrene 3%, acetone 2.5%, sodium polymethacrylate 7%, tween series 4%, silicone defoaming agent 0.6%, pH conditioning agent sodium hydroxide and citric acid amount to 2.4%, deionized water adds to 100% weight portion, mixed 27% chlopyrifos thiophene worm piperazine microcapsule suspension-suspending agent.
Thiophene worm piperazine is changed to thiophene worm amine or thiophene worm quinoline forms new embodiment.
Example 12 30% chlopyrifos thiophene worm piperazine microcapsule suspension-suspending agents
Chlopyrifos 25%, thiophene worm piperazine 5%, formaldehyde 1.7%, sodium alginate 2.5%, glycerine 2%, PIC 2.6%, octylphenol polyethylene oxyethylene group ether sulfate 4.4%, wetting and penetrating agent F3.2%, dimethylbenzene 3%, acetone 5%, polyethylene glycol 1.2%, farming breast 1600
#3%, fatty alcohol-polyoxyethylene ether 5%, C
10～20Saturated fat acids 0.2%, pH conditioning agent sodium hydroxide and sorbic acid amount to 2.5%, deionized water adds to 100% weight portion, mixed 30% chlopyrifos thiophene worm piperazine microcapsule suspension-suspending agent.
Thiophene worm piperazine is changed to thiophene worm amine or thiophene worm quinoline forms new embodiment.
Example 13 35% chlopyrifos thiophene worm amine microcapsule suspension-suspending agents
Chlopyrifos 30%, thiophene worm amine 5%, urea 2.1%, beta-schardinger dextrin-3.8%, spaonin powder 4%, dodecylbenzene sodium sulfonate 2%, ethylene oxide-propylene oxide block copolymer 2%, farming breast 400
#4.3%, By series 4%, ethyl acetate 2%, silicone defoaming agent 0.5%, pH conditioning agent sodium hydroxide and hydrochloric acid amount to 4%, deionized water adds to 100% weight portion, mixed 35% chlopyrifos thiophene worm amine microcapsule suspension-suspending agent.
Thiophene worm amine is changed to thiophene worm piperazine or thiophene worm quinoline forms new embodiment.
Example 14 40% chlopyrifos thiophene worm amine microcapsule suspension-suspending agents
Phonetic 4%, the lignosulfonates 3%, 600 of chlopyrifos 30%, thiophene worm amine 10%, polyfunctional group acyl halide polyamines 5%, urea 2%, ester polyoxyethylene
#Phosphate 2.5%, AEO series 4.3%, silicone defoaming agent 0.2%, methyl alcohol 2%, vegetable oil 3.5%, pH conditioning agent sodium hydroxide and hydrochloric acid amount to 3.1%, methylcellulose 0.4%, water add to 100% weight portion, mixed 40% chlopyrifos thiophene worm amine microcapsule suspension-suspending agent.
Thiophene worm amine is changed to thiophene worm piperazine forms new embodiment.
Example 15 45% chlopyrifos thiophene worm amine or thiacloprid microcapsule suspension-suspending agents
Chlopyrifos 30%, thiophene worm amine 15%, polyvinyl alcohol 1.5%, glycerine 2.8%, modified starch 3%, Nekal BX 3.5%, ester polyoxyethylene phonetic 2.4%, agricultural newborn 36
#4%, sodium polymethacrylate 3%, cyclohexanone 2%, ethyl acetate 4%, C
8～10Aliphatic alcohols 0.3%, pH conditioning agent sodium hydroxide and sorbic acid amount to 2.8%, crospolyvinylpyrrolidone 0.4%, deionized water add to 100% weight portion, mixed 40% chlopyrifos thiophene worm amine microcapsule suspension-suspending agent.
Thiophene worm amine is changed to thiophene worm piperazine or thiophene worm quinoline forms new embodiment.
Example 16 50% chlopyrifos thiophene worm amine microcapsule suspension-suspending agents
Chlopyrifos 35%, thiophene worm amine 15%, polyfunctional group acyl halide polyamines 3%, maltose 4%, propane diols polyoxyethylene polyoxypropylene block polyether 5%, wetting agent T3.1%, cyclohexanone 4%, ethyl acetate 2%, farming breast 1600
#2%, C
8～10Aliphatic alcohols 0.5%, By series 4%, 600
#Phosphate 3%, gum Arabic 1.5%, pH conditioning agent sodium hydroxide and citric acid amount to 3.2%, water adds to 100% weight portion, mixed 50% chlopyrifos thiophene worm amine microcapsule suspension-suspending agent.
Thiophene worm amine is changed to thiophene worm piperazine or thiophene worm quinoline forms new embodiment.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.Earlier by Toxicity Determination, the co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC＜80 are antagonism, and 80≤CTC≤120 are summation action, and CTC＞120 are synergistic effect, on this basis, carry out field trial again.
Test method: respectively the mother liquor of each mixed agent is diluted to five series concentration during test, places beaker standby respectively.Adopt and to soak the method that connects worm behind the leaf earlier, the blade of the same size that does not contact any medicament soaked in the soup that configures behind the 5s take out, dry naturally, put into insect box, connect then for the examination larva, under 25 ℃ of conditions, raise, every processing repeats for 3 times, every to repeat used examination borer population be 50, establishes blank simultaneously, checks dead borer population in 72h, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50Value.If the contrast lethality then is considered as invalid test greater than 10%.Computing formula is as follows:
The insect corrected mortality is converted into probit value (y), and concentration for the treatment of (μ g/ml) converts logarithm value (x) to, draws virulence regression equation with method of least squares, and calculates the value of every kind of medicament thus.Calculate co-toxicity coefficient CTC according to the abundant equation of Sun Yun.Computing formula following (be standard medicament with the chlopyrifos, its toxicity index is 100):
TI * P of theoretical toxicity index (TTI)=chlopyrifos of M
ChlopyrifosTI * P of+active ingredient B
Active ingredient B
In the formula: M is the mixture of different proportionings;
P
Active ingredient BBe active ingredient B shared ratio in composition;
P
ChlopyrifosBe chlopyrifos shared ratio in composition.
Application Example two:
For trying insect: cotton aphid.
Experimental scheme: effective lethal concentration scope of determining chlopyrifos, the former medicine of thiophene worm piperazine and the two different proportioning mixture through preliminary experiment.
Toxicity test result one
Table 1 chlopyrifos and the toxicity test of the different proportionings of thiophene worm piperazine to cotton aphid
As shown in Table 1, the proportioning of chlopyrifos and Thiamethoxam compound control cotton aphid was at 20: 1 to 1: 5 o'clock, co-toxicity coefficient is all greater than 120, illustrating that both were mixed in the scope at 20: 1 to 1: 5 all shows synergistic effect, especially when the proportioning of chlopyrifos and thiophene worm piperazine during at 10: 1 to 1: 1, synergistic effect is more obviously outstanding, co-toxicity coefficient maximum when chlopyrifos and thiophene worm piperazine weight ratio are 8: 1 wherein, and synergistic effect is the most obvious.
Application Example three:
For trying insect: the tomato Bemisia tabaci.
Experimental scheme: effective lethal concentration scope of determining chlopyrifos, the former medicine of thiophene worm amine and the two different proportioning mixture through preliminary experiment.
Toxicity test result two
Table 2 chlopyrifos and the toxicity test of the different proportionings of thiophene worm amine to the tomato Bemisia tabaci
As shown in Table 2, the proportioning of the composite control of chlopyrifos and thiophene worm amine tomato Bemisia tabaci was at 20: 1 to 1: 5 o'clock, co-toxicity coefficient is all greater than 120, illustrating that both were mixed in the scope at 20: 1 to 1: 5 all shows synergistic effect, especially when the proportioning of chlopyrifos and thiophene worm amine during at 10: 1 to 1: 1, synergistic effect is more obviously outstanding, co-toxicity coefficient maximum when chlopyrifos and thiophene worm amine weight ratio are 8: 1 wherein, and synergistic effect is the most obvious.
Application Example four:
For trying insect: rice hoppers.
Experimental scheme: effective lethal concentration scope of determining chlopyrifos, the former medicine of thiophene worm quinoline and the two different proportioning mixture through preliminary experiment.
Toxicity test result three
Table 3 chlopyrifos and the toxicity test of the different proportionings of thiophene worm quinoline to rice hoppers
As shown in Table 3, the composite proportioning of rice hoppers of preventing and treating of chlopyrifos and thiophene worm quinoline was at 20: 1 to 1: 5 o'clock, co-toxicity coefficient is all greater than 120, illustrating that both were mixed in the scope at 20: 1 to 1: 5 all shows synergistic effect, especially when the proportioning of chlopyrifos and thiophene worm quinoline during at 10: 1 to 1: 1, synergistic effect is more obviously outstanding, co-toxicity coefficient maximum when chlopyrifos and thiophene worm quinoline weight ratio are 8: 1 wherein, and synergistic effect is the most obvious.
Its composite anti-test of pesticide effectiveness that eliminates aphis of Application Example five chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline
This experimental establishment is at Baoji, Shaanxi province city Chencang District, and test medicine is provided by Shaanxi agricultural chemicals Co., Ltd of U.S. nation, contrast medicament 40% chlorpyrifos ec, 25% thiophene worm piperazine water dispersible granules, 50% thiophene worm amine water dispersible granules, 50% thiophene worm quinoline water dispersible granules.
Conventional spray-on process is adopted in test, and investigation cotton aphid, cabbage aphid insect pest index before the medicine in the dispenser of insect pest initial stage of origination, were investigated the insect pest indexes in 10 days, 60 days after the dispenser and calculated preventive effect.Experimental result is as follows:
Table 4 chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline and composite control cotton aphid thereof, the cabbage aphid test of pesticide effectiveness
As can be seen from Table 3, can effectively prevent and treat cotton aphid, cabbage aphid after chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline are composite, control efficiency all is better than the preventive effect of single agent, and the preventive effect time is long.In the test scope of medication, the target crop is had no adverse effects.
Its composite control tomato Bemisia tabaci of Application Example six chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline, the cucumber trialeurodes vaporariorum test of pesticide effectiveness
Table 5 chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline and composite control tomato Bemisia tabaci thereof, the cucumber trialeurodes vaporariorum test of pesticide effectiveness
As can be seen from Table 5, can effectively prevent and treat tomato Bemisia tabaci, cucumber trialeurodes vaporariorum after chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline are composite, control efficiency all is better than the preventive effect of single agent, and the preventive effect time is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example seven chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline and composite rice hoppers, rice leaf roller, the striped rice borer test of pesticide effectiveness of preventing and treating thereof
Table 6 chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline are prevented and treated rice hoppers, rice leaf roller, the striped rice borer test of pesticide effectiveness
As can be seen from Table 6, can effectively prevent and treat rice hoppers, rice leaf roller, striped rice borer after chlopyrifos and thiophene worm piperazine, chlopyrifos and thiophene worm amine, chlopyrifos and thiophene worm quinoline are composite, control efficiency all is better than the preventive effect of single agent, and the preventive effect time is long.In the test scope of medication, the target crop is had no adverse effects.
After draw through different local throughout the country tests, chlopyrifos and thiophene worm piperazine, thiophene worm amine, thiophene worm quinoline be composite makes behind microcapsule suspending agent and the microcapsule suspension-suspending agent preventive effect of common insects such as cabbage caterpillar to all kinds of crops, rice fulgorid, striped rice borer, rice leaf roller, cotton bollworm, peach fruit borer, scale insect, aphid, tea lesser leafhopper, cotten aphid, trialeurodes vaporariorum, leafhopper, thrips all more than 95%, be better than single agent preventive effect, synergistic effect is obvious.
Claims (9)
1. Pesticidal combination that contains chlopyrifos, it is characterized in that: the effective active composition is chlopyrifos and active ingredient B, and wherein the weight ratio of chlopyrifos and active ingredient B is 20: 1～1: 5, active ingredient B is selected from thiophene worm piperazine, thiophene worm amine, thiophene worm quinoline.
2. the Pesticidal combination that contains chlopyrifos according to claim 1, it is characterized in that: the weight ratio of chlopyrifos and active ingredient B is 15: 1～1: 3.
3. the Pesticidal combination that contains chlopyrifos according to claim 2, it is characterized in that: the weight ratio of chlopyrifos and active ingredient B is 10: 1～1: 1.
4. according to each described Pesticidal combination that contains chlopyrifos in the claim 1～3, it is characterized in that: the formulation of composition is micro-capsule suspension, microcapsule suspension-suspending agent.
5. the Pesticidal combination that contains chlopyrifos according to claim 4, it is characterized in that composition removes active ingredient and also contains auxiliary agent, described auxiliary agent is one or more in emulsifier, solvent, antifreeze, surfactant, macromolecule cyst material, PH conditioning agent, defoamer, thickener, the water.
6. the Pesticidal combination that contains chlopyrifos according to claim 5 is characterized in that: when formulation was micro-capsule suspension, the auxiliary agent of interpolation was that surfactant, emulsifier, solvent, PH conditioning agent, macromolecule cyst material, water add to 100%.
7. the Pesticidal combination that contains chlopyrifos according to claim 5, it is characterized in that: when formulation was microcapsules suspension-suspending agent, the auxiliary agent of interpolation was that surfactant, emulsifier, solvent, PH conditioning agent, macromolecule cyst material, defoamer, thickener, water add to 100%.
8. be used for the application of the insect on control gramineous crop, tea tree, vegetables, cotton, the fruit tree according to the described Pesticidal combination that each contains chlopyrifos of claim 6 to 7.
9. application according to claim 8 is characterized in that: described insect comprises cabbage caterpillar, rice fulgorid, striped rice borer, rice leaf roller, cotton bollworm, peach fruit borer, scale insect, aphid, tea lesser leafhopper, cotten aphid, trialeurodes vaporariorum, leafhopper, thrips.
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