CN101856027B - Pesticide preparation for controlling diamond back moth and other vegetable insect pests - Google Patents
Pesticide preparation for controlling diamond back moth and other vegetable insect pests Download PDFInfo
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- CN101856027B CN101856027B CN 201010197200 CN201010197200A CN101856027B CN 101856027 B CN101856027 B CN 101856027B CN 201010197200 CN201010197200 CN 201010197200 CN 201010197200 A CN201010197200 A CN 201010197200A CN 101856027 B CN101856027 B CN 101856027B
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- rotenone
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- 230000000853 biopesticidal effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- WOWBFOBYOAGEEA-UHFFFAOYSA-N diafenthiuron Chemical compound CC(C)C1=C(NC(=S)NC(C)(C)C)C(C(C)C)=CC(OC=2C=CC=CC=2)=C1 WOWBFOBYOAGEEA-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000004426 flaxseed Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003630 growth substance Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 231100000225 lethality Toxicity 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 210000004126 nerve fiber Anatomy 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002728 pyrethroid Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 210000002460 smooth muscle Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 210000002948 striated muscle cell Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明公开了一种防治小菜蛾等蔬菜害虫的农药制剂，主剂是包含下述重量百分比有效成分的混合物：鱼藤酮为0.1-20％，氯虫苯甲酰胺为0.1-50.0％，用该主剂与相应的辅剂制成乳油、微乳剂、水乳剂或悬浮剂等，药剂具有良好的渗透性、内吸性等特性，对蔬菜害虫小菜蛾等高效、能够防治不同龄期的蔬菜害虫小菜蛾等，对害虫杀灭彻底，药剂对环境污染少，生产成本低，适合于小菜蛾等蔬菜害虫虫害的化学防治。The invention discloses a pesticide preparation for preventing and controlling vegetable pests such as diamondback moth. It can be made into emulsifiable concentrate, microemulsion, water-emulsion or suspending agent, etc. with corresponding adjuvants. The agent has good permeability and systemic properties. Moths, etc., completely kill pests, less environmental pollution, low production cost, suitable for chemical control of diamondback moth and other vegetable pests.
Description
Technical field
The present invention relates to relate to technical field of pesticide, particularly prevent and treat the pesticidal preparations of the vegetable-crop pest-insects such as diamond-back moth.
Background technology
Diamond-back moth (Plutella xylostella L.) is one of primary pest of brassicaceous vegetable.Its cross resistance spectrum is wide, resistance level is high, reproduction speed is fast, vegetables is produced caused great threat.At present to organic phosphates, carbamates, pyrethroid, Bt, Avermectin, insect growth regulator, IGR class, even plant insecticide etc. all produced resistance in various degree, is one of the most serious insect of development of drug resistance.In recent years, the chemical agent of some mechanism of action novelties and biopesticide are developed in succession for the control diamond-back moth, such as capillary, diafenthiuron, Avermectin etc.; But various medicaments still lack comparison to the control efficiency of diamondback moth larvae.In order to control better causing harm of diamond-back moth, filter out the best method of control diamond-back moth, such as Rynaxypyr 5% suspending agent Laphygma exigua Hubner, diamond-back moth there are greater activity and control efficiency, dosage is 22.5-41.25g (active ingredient)/hm
2, incubate the peak period in ovum and carry out the even spraying control, if generation is more serious, interval 7d repeats to spray medicine 1 time again.In the dosage scope, to crop safety, have no poisoning and occur.On predation natural enemy, insect parasite low toxicity or without impact.
Rotenone (rotenone) is one of three great tradition vegetable insecticide, insect had the strong performance of tagging, 800 various pests had preferably biologically active, especially remarkably productive to the aphid mite pest, be anti-eliminate aphis, the special effect agent of diamond-back moth, imported cabbageworm and citrus red mite.Rotenone is existing to be classified as 21 century by State Development Planning Commission and the Department of Science and Technology and first develops industry, is confessed environment friendly agricultural in the world.Especially use at directly edible economic crops such as vegetables, fruit tree, tealeaves, more aobvious its advantage can not only be produced quality-assured vegetables, relieved fruit, relieved tea, and can also improve crop quality, improves mouthfeel, is the desirable medication in green agricultural product base.
Rotenone is a kind of plant insecticide that exploitation is worth that has very much.Alternative nerve fiber and the muscular tissue of suppressing, without interior absorption, have strong tag, stomach toxicity has certain repellent, food refusal and the inhibition effect of growing concurrently.Its insecticidal action is slow, but insecticidal action is more lasting, can keep about 10 days.The rotenone insecticidal activity is high, and insecticidal spectrum is wide, and known its has preventive effect to 137 section's 800 various pests of 15 orders at present, is mainly Lepidoptera, Homoptera, diptera, coleoptera, Hymenoptera.Rotenone is classified as 21 century by State Development Planning Commission and the Department of Science and Technology and is first developed industry, is confessed environment friendly agricultural in the world.Especially use at directly edible economic crops such as vegetables, fruit tree, tealeaves, more aobvious its advantage can not only be produced quality-assured vegetables, relieved fruit, relieved tea, and can also improve crop quality, improves mouthfeel, is the desirable medication in green agricultural product base.
Rynaxypyr (chlorantraniliprole) is the O-formammidotiazol-benzamide broad spectrum pesticide, mainly prevents and treats the lepidoptera pest of various crop, and other insects are also had preferably preventive effect; The mode of action is stomach toxicity and contact toxicity, and stomach toxicity is the Main Function mode; Its mechanism of action is to activate blue Buddhist nun's alkali acceptor, discharges the calcium of storing in smooth muscle and the striated muscle cell, causes that the muscle adjusting is weak, the fiber crops illness, until insect is dead.Rynaxypyr can in stem, leaf surface infiltration plant corpus, also can move by root absorption with at xylem.
But the unitary agent of above rotenone preparation and Rynaxypyr has run into serial problem in actual use.Such as rotenone preparation rotenone in use in the field photodissociation, hydrolysis etc. occur easily in natural environment easily, make drug effect, the lasting effect of rotenone be subject to impact, the control efficiency of insect has been subject to certain impact.Rynaxypyr has preferably control efficiency to vegetable-crop pest-insect at present as a kind of chemical pesticide of new listing, but in order to improve medicament to the control efficiency of insect, the peasant constantly improves the using dosage of medicament, and insect easily produces resistance to medicament in addition.
Summary of the invention
It is high that the object of the invention provides a kind of kill efficiency, the vegetable-crop pest-insects such as diamond-back moth had the pesticidal preparations of special efficacy preventive and therapeutic effect.
Effective ingredient of the present invention is rotenone and Rynaxypyr, described rotenone accounts for the 0.1-20% of total formulation weight amount, Rynaxypyr accounts for the 0.1-50.0% of total formulation weight amount, and all the other are assistant agent, and the formulation of making is missible oil, microemulsion, aqueous emulsion or suspending agent.
Preferred Rynaxypyr accounts for the 1.0-30.0% of total formulation weight amount.
Host rotenone of the present invention, Rynaxypyr all is insecticides well known in the art, and can easily buy from market, has very strong permeability, interior absorption, medicament is easy to kill the insect in each length of time of vegetable-crop pest-insect diamond-back moth etc., in time large tracts of land is controlled diffusion and the propagation of vegetable-crop pest-insect diamond-back moth etc. effectively, the selected medicament that is mixed belongs to the compound of different mechanism of action, the rear synergistic effect that is mixed is obvious, vegetable-crop pest-insect diamond-back moth etc. is difficult for developing immunity to drugs to it, and selected medicament all is middle low toxicities, low to environmental selection pressure, cheap, all have in a long time good control efficiency.Can improve the control efficiency of medicament, avoid the insecticidal spectrum of single medicament narrow, lasting effect is not enough, the relatively not high drawback of control efficiency, give full play to after being mixed medicament the synergistic blend effect, can enlarge the control of insect spectrum.
The insecticidal emulsifiable concentrate made from above-mentioned main preparation is comprised of host and assistant agent, its host active ingredient weight percent content is 0.2-70.0% (rotenone 0.1-20%, Rynaxypyr 0.1-50.0%), the percentage by weight that each component of assistant agent of composition missible oil accounts for preparation is: solvent 25.0-90.0%, emulsifier 0.1-20.0%, cosolvent 0.1-5.0%, stabilizing agent 0.1-5.0%;
Described solvent is selected from one or more of following compositions: dimethylbenzene, toluene, benzene, different fluorine that ketone, pyrrolidones, methyl alcohol, ethanol, acetone, butanols, ethylene glycol, dimethyl formamide, acetonitrile;
Described emulsifier is selected from one or more of following compositions: calcium dodecyl benzene sulfonate, dibenzyl phenol APEO, styrylphenol polyoxyethylene ether, the multiple phenol polyethenoxy ether of benzyl, the multiple phenol polyethenoxy base ether of α-methylbenzyl, farming breast 0201, Tween-20, Tween-40, Tween-60, Tween-80, penetrating agent BX, alkylphenol polyoxyethylene phosphate;
Described other cosolvents are to be selected from one or more of following compositions: cyclohexanone, pyrrolidones, dimethyl formamide;
Described stabilizing agent is to be selected from one or more of following compositions: aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, n-propyl gallate.
The insecticide microemulsion made from above-mentioned host is comprised of host and assistant agent, its host active ingredient weight percent content is 0.2-70.0% (rotenone 0.1-20%, Rynaxypyr 0.1-50.0%), the percentage by weight that each component of assistant agent of composition microemulsion accounts for preparation is: emulsifier 0.1-70.0%, solvent 0.1-50.0%, stabilizing agent 0.1-5.0%, antifreeze 0.1-5.0%, the surplus water is supplemented to 100.0%;
Described emulsifier is selected from one or more in the following compositions: triphenyl vinyl phenol oxirane nitranol salt, alkyl two polyoxy vinyl sulfonic acid calcium salts, styrylphenol polyoxyethylene ether, xenol APEO, polyoxyethylene phenylphenol ether;
Described solvent is to be selected from one or more of following compositions: cyclohexanone, pyrrolidones, dimethyl formamide, cyclohexanol, dimethylbenzene, benzene, toluene;
Described stabilizing agent is to be selected from one or more of following compositions: 3-chloro-1,2-epoxychloropropane, butyl glycidyl ether, phenyl glycidyl ether, polyethylene glycol diglycidyl ether, sorbitol, aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, n-propyl gallate;
Antifreeze: ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite.
The insecticide aqueous emulsion made with above-mentioned host is comprised of host and assistant agent, its host active ingredient weight percent content is 0.2-70.0% (rotenone 0.1-20%, Rynaxypyr 0.1-50.0%), the percentage by weight that each component of assistant agent of composition aqueous emulsion accounts for preparation is: solvent 0.1-60.0%, emulsifier 0.1-60.0%, dispersant 0.1-5.0%, antifreeze 0.1-5.0%, the surplus water is supplemented to 100.0%;
Described solvent is selected from one or more of following compositions: toluene, dimethylbenzene, N-chain alkyl pyrrolidones, ethylene glycol, propane diols, polyethylene glycol;
Described emulsifier is selected from one or more of following compositions: ethylene oxide-propylene oxide block copolymer, alkyl polyglycol ether, alkyl phenyl polyglycol ether, polyoxyethylene sorbitol acid anhydride ester, polyoxyethylene fatty acid ester, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester, ethoxyquin alkyl phenylate, ethoxyquin alkyl ether, alkyl benzene calcium sulfonate, oxirane-fatty acid primary amine condensation product;
Described dispersant is one or more that are selected from the following compositions: polyvinyl alcohol, gum Arabic;
Described antifreeze is one or more that are selected from the following compositions: ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite.
The insecticidal suspending agent made from above-mentioned main preparation is comprised of host and assistant agent, and its host active ingredient is 0.2-70.0% (rotenone 0.1-20%, Rynaxypyr 0.1-50.0%) by weight; Assistant agent is that the percentage by weight that each component accounts for preparation is: solvent 0.1-60.0%, and emulsifier 0.1-60%, stabilizing agent 0.1-5.0%, antifreeze 0.1-5.0%, thickener 0.1-5.0%, preservative 0.1-5.0%, the surplus water is supplemented to 100.0%;
Described emulsifier is selected from one or more of following compositions: ethylene oxide-propylene oxide block copolymer, alkyl polyglycol ether, alkyl phenyl polyglycol ether, polyoxyethylene sorbitol acid anhydride ester, polyoxyethylene fatty acid ester, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester, ethoxyquin alkyl phenylate, ethoxyquin alkyl ether, alkyl benzene calcium sulfonate, oxirane-fatty acid primary amine condensation product;
Described solvent is selected from one or more of following compositions: toluene, dimethylbenzene, ethylene glycol, propane diols, polyethylene glycol, N-chain alkyl pyrrolidones, methyl alcohol, ethanol, propyl alcohol, butanols, isobutanol, cyclohexanone, MEK, dimethyl formamide, dimethyl sulfoxide (DMSO);
Described thickener is one or more of following material: polyvinyl acetate, gelatin, polyvinyl alcohol, styrene-butadiene latex, gum Arabic, sodium alginate, xanthans, sodium carboxymethylcellulose, carboxy-propyl cellulose sodium, polyethylene glycol, polyethylene glycol oxide, polyvinylpyrrolidone, polyacrylamide, soluble starch, dextrin, polyvinyl acetate, naphthols-formaldehyde resin;
Described stabilizing agent is selected from one or more in the following compositions: aminobenzoic acid, pyrogallic acid, paranitrobenzoic acid, castor oil, sudan black, n-propyl gallate, 3-chloro-1,2-epoxychloropropane, butyl glycidyl ether, phenyl glycidyl ether, polyethylene glycol diglycidyl ether, sorbitol, epoxidized soybean oil, epoxidized linseed;
Described antifreeze is to be selected from one or more of following compositions: ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite.
Described preservative is selected from one or more in the following compositions: formaldehyde, Sodium Benzoate, isothiazolinone.
Embodiment
One, the preparation of pesticidal preparations of the present invention
The following examples are that technical solution of the present invention is further specified, but content of the present invention is not limited to this.
Embodiment 1:22.0% rotenone Rynaxypyr missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 2.0, Rynaxypyr 20.0.
Each composition percentage by weight (%) of assistant agent is: solvent, dimethylbenzene 59.8, methyl alcohol 5.0; Cosolvent, cyclohexanone 0.2; Emulsifier, dibenzyl phenol APEO 8.0.Tween-20 4.0; Stabilizing agent, pyrogallic acid 0.5, castor oil 0.5.
The above-mentioned weight ratio raw material traditional missible oil processing method of rear usefulness that is mixed is made missible oil.
Embodiment 2:22.0% rotenone Rynaxypyr microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 2.0, Rynaxypyr 20.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, triphenyl vinyl phenol oxirane nitranol salt 35.0, polyoxyethylene phenylphenol ether 35.0; Solvent, dimethyl formamide 1.0, pyrrolidones 1.0; Stabilizing agent, pyrogallic acid 0.1; Antifreeze, ethylene glycol 0.1, glycerine 1.0; Water 4.8.
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 3:22.0% rotenone chlorantraniliprole water emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 2.0, Rynaxypyr 20.0;
Each composition percentage by weight (%) of assistant agent is: solvent, dimethylbenzene 30.0, N-chain alkyl pyrrolidones 30.0; Emulsifier, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester 4.0; Dispersant, polyvinyl alcohol 0.2; Antifreeze, glycerine 0.1; Water 13.7;
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made the insecticide aqueous emulsion.
Embodiment 4:22.0% rotenone Rynaxypyr suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 2.0, Rynaxypyr 20.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, polyoxyethylene fatty acid ester 60.0; Solvent, dimethyl formamide 0.1, thickener, sodium carboxymethylcellulose 5.0; Stabilizing agent, n-propyl gallate 0.1; Antifreeze, sorbierite, 0.1; Preservative, formaldehyde 0.1; Water 12.6.
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Embodiment 5:50.1% rotenone Rynaxypyr missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 0.1, Rynaxypyr 50.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier: calcium dodecyl benzene sulfonate 4.0, OP-108.0; Stabilizing agent, aminobenzoic acid 2.0; Solvent, methyl alcohol 1.0, dimethylbenzene 29.9; Cosolvent, pyrrolidones 5.0.
The raw material of the above-mentioned weight ratio traditional missible oil processing method of rear usefulness that is mixed is made missible oil.
Embodiment 6:50.1% rotenone Rynaxypyr microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 0.1, Rynaxypyr 50.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, triphenyl vinyl phenol oxirane nitranol salt 18.9; Solvent, dimethylbenzene 4.0; Antifreeze, sorbierite 3.0; Water 19.0; Stabilizing agent, pyrogallic acid 5.0.
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 7:50.1% rotenone chlorantraniliprole water emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 0.1, Rynaxypyr 50.
Each composition percentage by weight (%) of assistant agent is: emulsifier, alkyl polyglycol ether 10.0, ethoxyquin alkyl ether 10.9; Solvent, dimethylbenzene 4.0, methyl alcohol 2.0; Dispersant, polyvinyl alcohol 3.0; Antifreeze, propane diols 5.0; Water 15.0.
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made aqueous emulsion.
Embodiment 8:50.1% rotenone Rynaxypyr suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 0.1, Rynaxypyr 50.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, ethylene oxide-propylene oxide block copolymer, 10.0; Solvent, methyl alcohol 2.0, ethanol 3.0; Thickener, polyvinylpyrrolidone 1.0, polyethylene glycol 4.0; Antifreeze, 1.0; Preservative, 1.0; Stabilizing agent, isothiazolinone 1.0; Water 26.9.
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Embodiment 9:30.0% rotenone Rynaxypyr missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 1.0, Rynaxypyr 29.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, OP-1010.0, calcium dodecyl benzene sulfonate 10.0; Solvent, methyl alcohol 23.0, toluene 21.9; Cosolvent, dimethyl formamide 0.1; Stabilizing agent, aminobenzoic acid 5.0.
The raw material of the above-mentioned weight ratio traditional missible oil processing method of rear usefulness that is mixed is made missible oil.
Embodiment 10:30.0% rotenone Rynaxypyr microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 1.0, Rynaxypyr 29.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, polyoxyethylene alkylphenol ether 8.0; Xenol APEO 8.0; Solvent, methyl alcohol 28.0, toluene 22.0; Stabilizing agent, butyl glycidyl ether 0.1; Antifreeze, glycerine 0.1; Water 3.8.
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 11:30.0% rotenone chlorantraniliprole water emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 1.0, Rynaxypyr 29.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, N-chain alkyl pyrrolidones 8.0, ethoxyquin alkyl ether 12.0, alkyl benzene calcium sulfonate 40.0; Solvent, methyl alcohol 0.1; Dispersant, polyvinyl alcohol 5.0; Antifreeze, poly-with glycol 0.1; Water 4.8.
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made aqueous emulsion.
Embodiment 12:30.0% rotenone Rynaxypyr suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 1.0, Rynaxypyr 29.0.
Each composition percentage by weight (%) of assistant agent is: solvent, acetone 42.0, dimethyl formamide 8.0; Thickener, carboxy-propyl cellulose sodium 2.5, polyvinyl alcohol 2.5; Antifreeze, polyethylene glycol 5.0; Stabilizing agent, epoxidized soybean oil 5.0; Preservative, formaldehyde 0.1; Water 4.9.
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent
Embodiment 13:20.1% rotenone Rynaxypyr missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 20.0, Rynaxypyr 0.1.
Each composition percentage by weight (%) of assistant agent is: solvent, dimethylbenzene 90.0; Cosolvent, cyclohexanone 6.9; Emulsifier, dibenzyl phenol APEO 0.1; Stabilizing agent, pyrogallic acid 0.9.
The above-mentioned weight ratio raw material traditional missible oil processing method of rear usefulness that is mixed is made insecticide emulsifiable concentrate.
Embodiment 14:20.1% rotenone Rynaxypyr microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 20.0, Rynaxypyr 0.1;
Each composition percentage by weight (%) of assistant agent is: emulsifier, polyoxyethylene phenylphenol ether 0.1; Solvent, dimethyl formamide 0.05, pyrrolidones 0.05; Stabilizing agent, pyrogallic acid 1.0; Antifreeze, ethylene glycol 3.4, glycerine 3.3; Water 90.0;
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 15:20.1% rotenone chlorantraniliprole water emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 20.0, Rynaxypyr 0.1.
Each composition percentage by weight (%) of assistant agent is: solvent, ethylene glycol 0.1; Emulsifier, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester 5.6, alkyl benzene calcium sulfonate 2.0; Dispersant, polyvinyl alcohol 0.1; Antifreeze, glycerine 0.1; Water 90.0.
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made aqueous emulsion.
Embodiment 16:20.1% rotenone Rynaxypyr suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 2.0, Rynaxypyr 0.1;
Each composition percentage by weight (%) of assistant agent is: emulsifier, alkyl benzene calcium sulfonate 0.5; Solvent, ethylene glycol 60.0; Thickener, gelatin 5.0; Stabilizing agent, castor oil 1.0; Antifreeze, ethylene glycol 0.5; Glycerine 0.5; Preservative, isothiazolinone 5.0; Water 25.4;
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Embodiment 17:70.0% rotenone Rynaxypyr missible oil forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 20.0, Rynaxypyr 50.0.
Each composition percentage by weight (%) of assistant agent is: solvent, methyl alcohol 25.0; Cosolvent, cyclohexanone 5.0; Emulsifier, dibenzyl phenol APEO 17.9; Stabilizing agent: castor oil 0.1.
The above-mentioned weight ratio raw material traditional missible oil processing method of rear usefulness that is mixed is made missible oil.
Embodiment 18:70.0% rotenone Rynaxypyr microemulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 20.0, Rynaxypyr 50.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, triphenyl vinyl phenol oxirane nitranol salt 8.0, xenol APEO 1.0, polyoxyethylene phenylphenol ether 9.0; Solvent, dimethyl formamide 6.1; Stabilizing agent, pyrogallic acid 1.0; Antifreeze, ethylene glycol 2.0, glycerine 3.0; Water 17.9.
The raw material of the above-mentioned weight ratio traditional microemulsion processing method of rear usefulness that is mixed is made microemulsion.
Embodiment 19:70.0% rotenone chlorantraniliprole water emulsion forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 20.0, Rynaxypyr 50.0.
Each composition percentage by weight (%) of assistant agent is: solvent, dimethylbenzene 27.6, N-chain alkyl pyrrolidones 20.0; Emulsifier, 2,4,6-three (1-phenethyl) phenol gathers (20) ethylene glycol phosphate monoester 0.1; Dispersant, polyvinyl alcohol 0.1; Antifreeze, glycerine 0.1; Water 0.1.
The raw material of the above-mentioned weight ratio traditional aqueous emulsion processing method of rear usefulness that is mixed is made emulsion.
Embodiment 20:70.0% rotenone Rynaxypyr suspending agent forms and the preparation method
Each active ingredient percentage by weight (%) of this routine host is: rotenone 20.0, Rynaxypyr 50.0.
Each composition percentage by weight (%) of assistant agent is: emulsifier, alkyl phenyl polyglycol ether 4.0; Solvent, methyl alcohol 10.0; Thickener, gum Arabic 0.5; Stabilizing agent, pyrogallic acid 0.5; Antifreeze, propane diols 0.5; Preservative, Sodium Benzoate 0.5; Water 14.0.
The raw material of the above-mentioned weight ratio traditional suspending agent processing method of rear usefulness that is mixed is made suspending agent.
Two, the composition that has an insecticidal activity is killed the test effect of diamond-back moth
Adopt the method for conventional biologicall test to measure rotenone, fluorine worm benzamide and their both mixtures to the virulence of vegetable-crop pest-insect diamond-back moth 3 instar larvaes, and estimate its synergistic effect with co-toxicity coefficient, concrete operations are described below:
Supplying the examination insect is diamond-back moth (Plutella xylostella) 3 instar larvaes.Diamond-back moth mature larva on the wild cabbage of collection suburbs, Yangzhou, Jiangsu Province is to the insectary, and the pupa that collection is tied is collected the on the same day pupa of knot in the culture dish that is lined with moisturizing filter paper.When the larva after the hatching is fed to 3 age with the cabbage heart seedling, get its polypide of the same size for examination.Raising temperature is 25 scholar 2C, and relative moisture is 50%～70%, and the photoperiod is 16L:8D.
Adopt infusion process.Each liquid is formulated into required concentration, is for experiment.To not spray any medicament, fresh cabbage leaves without worm's ovum is cut into 3cm * 3cm size, putting into the liquid for preparing soaked 10 seconds, after drying, shady and cool place is put in the culture dish (Φ 9cm) that is lined with filter paper, put 3 in every ware, choose into basically identical diamond-back moth 3 instar larvaes of size, 10 in every ware, 3 repetitions of every concentration, put into wet cotton mass moisturizing after, rapid cover lid, the not control treatment of adding medicine is set simultaneously, processes and be placed in the insectary 48 hours " Invest, Then Investigate " death condition, touch polypide with writing brush, motionless person is considered as death, and the worm alive of counting diamond-back moth etc. and the number of dead worm are calculated its lethality and lethal concentration of 50 LC
50Value, co-toxicity coefficient adopt the abundant method of Sun Yun to calculate.
The toxicity index that co-toxicity coefficient CTC=100 * actual toxicity index/theory of using with is used with.
When co-toxicity coefficient obviously greater than 100 the time, showing has synergistic effect; Near 100, expression has summation action; Be significantly less than 100, showing has antagonism.
Test and result of calculation are as shown in table 1:
Table 1 single dose and mixture are to the Toxicity Determination result (48 hours) of diamond-back moth 3 instar larvaes
| Reagent agent | Virulence regression equation | LC 50Value (μ g/mL) | Correlation coefficient | Co-toxicity coefficient |
| Rotenone | Y＝0.8142+1.8832X | 166.99 | 0.9920 | |
| Rynaxypyr | Y＝6.6714+1.9120X | 0.13 | 0.9821 | |
| Rotenone: Rynaxypyr=1: 500 | Y＝7.0661+2.1501X | 0.11 | 0.9941 | 122.35 |
| Rotenone: Rynaxypyr=1: 29 | Y＝6.8661+1.8706X | 0.10 | 0.9936 | 137.44 |
| Rotenone: Rynaxypyr=1: 10 | Y＝6.9680+1.8973X | 0.09 | 0.9835 | 160.11 |
| Rotenone: Rynaxypyr=2: 5 | Y＝6.9451+2.2373X | 0.14 | 0.9948 | 138.43 |
| Rotenone: Rynaxypyr=200: 1 | Y＝2.4509+2.0214X | 18.24 | 0.9891 | 126.91 |
As can be seen from Table 1, each proportioning of rotenone, Rynaxypyr, rotenone and Rynaxypyr is mixed to effective lethal concentration of 50 LC of diamond-back moth 3 instar larvaes
50Value according to the order of sequence (1: 500,1: 29,1: 10,2: 5,200: 1) is respectively 166.99 μ g/mL, 0.13 μ g/mL, 0.11 μ g/mL, 0.10 μ g/mL, 0.09 μ g/mL, 0.14 μ g/mL and 18.24 μ g/mL; The co-toxicity coefficient that each proportioning of rotenone and Rynaxypyr is mixed according to the order of sequence (1: 500,1: 29,1: 10,2: 5,200: 1) is respectively 122.35,137.44,160.11,138.43 and 126.91.Rotenone and Rynaxypyr proportioning are to have synergistic effect in 1: 500,1: 29,1: 10,2: 5 and 200: 1, and wherein proportioning is that synergistic effect in 1: 10 o'clock is the most obvious.
Two, mixed insecticide field control effectiveness test
The wild cabbage ground that field control effectiveness test is caused harm serious suburbs, Yangzhou, Jiangsu Province diamond-back moth carries out.With 20.1% rotenone Rynaxypyr missible oil (embodiment 13), 20.1% rotenone Rynaxypyr microemulsion (embodiment 14), 20.1% rotenone chlorantraniliprole water emulsion (embodiment 15) and 20.1% rotenone Rynaxypyr suspending agent (embodiment 16), 30.0% rotenone Rynaxypyr missible oil (embodiment 9), 30.0% rotenone Rynaxypyr microemulsion (embodiment 10), 30.0% rotenone chlorantraniliprole water emulsion (embodiment 11), 30.0% rotenone Rynaxypyr suspending agent (embodiment 12), 70.0% rotenone Rynaxypyr missible oil (embodiment 17), 70.0% rotenone Rynaxypyr microemulsion (embodiment 18), 70.0% rotenone chlorantraniliprole water emulsion (embodiment 19) and 70.0% rotenone Rynaxypyr suspending agent (embodiment 20) be totally 12 kinds of medicaments, blank and 2.5% rotenone emulsifiable solution are set simultaneously, the contrast of 20.0% Rynaxypyr suspending agent, every processing repeats 3 times.Result of the test sees Table 2:
Table 2 Mixed Pharmacy spray-on process control diamond-back moth field control effectiveness test result
| Process | Insect population decline rate (%) |
| CK | 0 |
| 2.5% rotenone emulsifiable solution | 66.96 |
| 20% Rynaxypyr suspending agent | 75.82 |
| Embodiment 13 | 62.76 |
| Embodiment 14 | 55.63 |
| Embodiment 15 | 52.83 |
| Embodiment 16 | 47.89 |
| Embodiment 1 | 91.62 |
| Embodiment 2 | 84.92 |
| Embodiment 3 | 83.13 |
| Embodiment 4 | 84.99 |
| Embodiment 17 | 99.03 |
| Embodiment 18 | 95.76 |
| Embodiment 19 | 92.99 |
| Embodiment 20 | 87.48 |
As can be seen from Table 2: in field control effectiveness test, two single doses are processed and 12 mixture processed group all have good control efficiency to diamond-back moth, after illustrating that rotenone and Rynaxypyr are mixed, each preparation of preparation all satisfies the needs of the vegetable-crop pest-insects such as control diamond-back moth.
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