CN104957183A - Environment-friendly insecticide with nerium indicum and radix euphorbiae lantu - Google Patents
Environment-friendly insecticide with nerium indicum and radix euphorbiae lantu Download PDFInfo
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- CN104957183A CN104957183A CN201510336307.3A CN201510336307A CN104957183A CN 104957183 A CN104957183 A CN 104957183A CN 201510336307 A CN201510336307 A CN 201510336307A CN 104957183 A CN104957183 A CN 104957183A
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Abstract
The invention discloses a method for manufacturing an environment-friendly insecticide with nerium indicum and radix euphorbiae lantu. The method includes manufacturing nerium indicum extracts, to be more specific, cleaning and airing fresh nerium indicum leaves, cutting the nerium indicum leaves to obtain fragments, drying the fragments in drying ovens, smashing the fragments, mixing the fragments and ethanol with one another to obtain mixtures, then processing the mixtures by the aid of microwave, then soaking the mixtures for 48h, then filtering the mixtures, extracting nerium indicum leaf extracts from the mixtures and carrying out water-bath distillation to recycle the ethanol; manufacturing radix euphorbiae lantu extracts, to be more specific, cleaning and airing fresh radix euphorbiae lantu, cutting the radix euphorbiae lantu to obtain fragments, drying the fragments in drying ovens at the temperatures of 60 DEG C, then smashing the fragments, mixing the fragments and ethanol with one another to obtain mixtures, then processing the mixtures by the aid of microwave, then soaking the mixtures for 50h, then filtering the mixtures, extracting the radix euphorbiae lantu extracts from the mixtures and carrying out water-bath distillation to recycle the ethanol; uniformly mixing the nerium indicum extracts and the radix euphorbiae lantu extracts with one another according to a proportion of 3:1 to obtain mixtures, and then adding antibiotics into the mixtures for preservation.
Description
Technical field
The present invention relates to a kind of sweet-scented oleander root of langdu environment-friendly pesticide, belong to field of pesticides.
Background technology
Plant insecticide is as a branch of biological prevention, mainly through all or part of of biologic artifact, and their extract extracts and has stomach toxicity to grain storage pest, to tag and the material of fumigation action carries out a kind of biological agent of pest control.Plant insecticide mainly comprises alkaloid, glucosides class, toxic protein and organic acid, ester, letones to the active ingredient of insect.For a long time, in vegetable insecticide control stored product insect, domestic and international expert has done a large amount of science and technology research and development and application practice.According to statistics, the plant for preventing and treating grain storage pest test in world wide reaches more than 200 and plants, and reaches kind more than 30, almost cover all important stored product insects for examination insect.Wherein study more floristics and comprise China tree, tarragon, the fruit of a cubeb litsea tree, Celastrus angulatus, frutus cnidii, Avermectin, pleocidin etc., wherein nimbin, Osthole, Celastrus angulatus, pleocidin, Avermectin etc. are employed comparatively successfully plant insecticide.
Plant insecticide is as a kind of major way of biological control, also as the emerging research field of control of insect, more and more applied by domestic and international expert, its development is also deepening continuously, but most plants insecticide action effect is slower, do not have quick-acting, the problems such as storage stability is poor simultaneously, quality is wayward, thus cause plant insecticide industrialized development slow.
Stealing poison moth is a kind of insect that Lepidoptera Lymantriidae steals Euproctis, another name: the brown poison moth of mulberry spot, the white poison moth of line, mulberry poison moth, yellow tail poison moth etc.Mainly be distributed in the Hebei of China, the Inner Mongol, Liaoning, the most areas such as Jilin, external Korea, Japan, Russia, Europe also has.Robber poison moth third-instar larvae does cocoon and survives the winter in bark gap or in litter horizon.Lay eggs on limb or blade reverse side.Be gathered in after larvae hatch on blade and endanger mesophyll.Host plant has willow, poplar, birch, white birch, hazel, alder, fagus, oak etc., is a kind of important and very large insect of harm.
The present invention aims to provide a kind of new environment-friendly pesticide and preparation method thereof, and this insecticide just has very outstanding toxic action to robber poison moth at extremely low concentration.
Summary of the invention
Based on the technical problem that background technology exists, the invention provides a kind of new sweet-scented oleander root of langdu environment-friendly pesticide and preparation method thereof, this insecticide just has very outstanding toxic action to robber poison moth at extremely low concentration.
Technical scheme of the present invention is as follows:
A kind of preparation method of sweet-scented oleander root of langdu environment-friendly pesticide:
(1) oleander extract preparation: get fresh sweetscented oleander leaf clean dry, be cut into fragment, be placed in baking oven and dry, then pulverize, and the rear microwave treatment of ethanol mixing, filter after then soaking 48h, extraction, extracts sweet-scented oleander leaf extract, and water-bath distillation reclaims ethanol;
(2) root of langdu extract preparation: get the fresh root of langdu, cleans and dries, be cut into fragment, be placed in 60 DEG C of baking ovens and dry, then pulverize, and the rear microwave treatment of ethanol mixing, and filter after then soaking 50h, extraction, extract root of langdu extract, water-bath distillation reclaims ethanol;
(3) composite: above-mentioned oleander extract and root of langdu extract are mixed according to the ratio of 3:1, and it is anticorrosion to add antibiotic.
Preferred steps (1) is: get fresh sweetscented oleander leaf, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:5 mixes with mass ratio, use microwave treatment 20-26s, then filter after soaking 48h at 55-65 DEG C, extraction, extracts sweet-scented oleander leaf extract, Distillation recovery ethanol in 85 DEG C of water-baths
Preferred steps (2) is: get the fresh root of langdu, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:3 mixes with mass ratio, use microwave treatment 25-30s, then filter after soaking 50h at 50-55 DEG C, extraction, extracts root of langdu extract, Distillation recovery ethanol in 85 DEG C of water-baths;
The antibiotic of preferred steps (3) is Ciprofloxacin.
Sweet-scented oleander is one of the most malicious plant, contains multiple toxin, some or even fatal.Its toxicity is high, once has report fatal or almost fatal in a small amount.The toxin of central maximum is folinerinum and the neriine of Cardiac glycosides.Cardiac glycosides is natural plant or zootoxin, heart is had simultaneously to the impact of front or toxicity.Can find these toxin in each part of sweet-scented oleander, in resin, concentration is the highest, can Zao Cheng Ma numbness on skin.Scientist believes in sweet-scented oleander the harmful substance still having a lot of the unknowns.In addition, sweet-scented oleander bark there is rosagenin, the impact of picture kind wooden Bie alkali can be caused.Whole plant comprises its resin and is all with toxic, and other part also has harmful effect.The toxicity of sweet-scented oleander still exists after dried-up, and burning the smog that occurs of sweet-scented oleander institute also has toxicity highly.A little or 10-20 block leaf just can cause harmful effect to adult, and single leaf just can make baby get killed.For animal, lethal dose is low to moderate per kilogram of body weight 0.5 milligram.Most animal has bad or dead reaction for sweet-scented oleander.Prior art has the report utilizing sweet-scented oleander to extract poisoning robber poison moth, but its poisoning concentration is higher, inadequate environmental protection.
The root of langdu, another name: gelsemium elegan, pull out radish, swallow flower, steamed bun flower, Latin literary fame: Stellera chamaejasme Linn. Thymelaeceae, stellera perennial herb, high 20-50 centimetre; Rhizome is wooden, sturdy, cylindrical, not branch or branch, and surface is brown, and inner face is faint yellow; Stem is upright, grows thickly, not branch, very thin, green, is sometimes with purple, without hair, and herbaceous stem, base portion lignification, the sometimes brown scale of tool.Leaf is scattered, and rare to raw or closely verticillate, papery, lanceolar or oval shape lanceolar, rare Long Circle, top is by faint yellow thread pubescence, and style is short, column cap head, and top is micro-by yellow pubescence.Fruit is conical, and canescence pubescence is arranged at top or top, and the calyx cylinder deposited by place is surrounded; Seed coat film quality, lavender.The florescence 4-6 month, the fruit phase 7-9 month.The toxicity of the root of langdu is comparatively large, can desinsection.
Although this two Plants is all the known plant can preparing insecticide, when being used alone, need higher dosage could have good toxic action to robber poison moth.The present inventor finds, has significant synergy when the extract of this two Plants mixes under certain proportion, namely demonstrates at much lower concentrations the good toxic action of robber poison moth.
Usefulness of the present invention is:
1, insecticide ingredient of the present invention is plant origin, natural environmental-protective, uses rear noresidue, and available protecting environment avoids the pesticide resistance of insect;
2, namely insecticide of the present invention demonstrates at much lower concentrations to stealing the splendid toxic effect of poison moth, under the concentration of 100mg/L, in 12-15 hour, can reach the lethality of 90%.
Embodiment
embodiment 1:
A kind of preparation method of sweet-scented oleander root of langdu environment-friendly pesticide:
(1) oleander extract preparation: get fresh sweetscented oleander leaf, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:5 mixes with mass ratio, use microwave treatment 20s, then filter after soaking 48h at 65 DEG C, extraction, extracts sweet-scented oleander leaf extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(2) root of langdu extract preparation: get the fresh root of langdu, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:3 mixes with mass ratio, use microwave treatment 25s, then filter after soaking 50h at 55 DEG C, extraction, extracts root of langdu extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(3) composite: above-mentioned oleander extract and root of langdu extract are mixed according to the ratio of 3:1, and it is anticorrosion to add antibiotic.
embodiment 2:
A kind of preparation method of sweet-scented oleander root of langdu environment-friendly pesticide:
(1) oleander extract preparation: get fresh sweetscented oleander leaf, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:5 mixes with mass ratio, use microwave treatment 26s, then filter after soaking 48h at 55 DEG C, extraction, extracts sweet-scented oleander leaf extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(2) root of langdu extract preparation: get the fresh root of langdu, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:3 mixes with mass ratio, use microwave treatment 30s, then filter after soaking 50h at 50 DEG C, extraction, extracts root of langdu extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(3) composite: above-mentioned oleander extract and root of langdu extract are mixed according to the ratio of 3:1, and it is anticorrosion to add antibiotic.
embodiment 3:
A kind of preparation method of sweet-scented oleander root of langdu environment-friendly pesticide:
(1) oleander extract preparation: get fresh sweetscented oleander leaf, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:5 mixes with mass ratio, use microwave treatment 23s, then filter after soaking 48h at 60 DEG C, extraction, extracts sweet-scented oleander leaf extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(2) root of langdu extract preparation: get the fresh root of langdu, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:3 mixes with mass ratio, use microwave treatment 28s, then filter after soaking 50h at 54 DEG C, extraction, extracts root of langdu extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(3) composite: above-mentioned oleander extract and root of langdu extract are mixed according to the ratio of 3:1, and it is anticorrosion to add antibiotic.
embodiment 4:
A kind of preparation method of sweet-scented oleander root of langdu environment-friendly pesticide:
(1) oleander extract preparation: get fresh sweetscented oleander leaf, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:5 mixes with mass ratio, use microwave treatment 21s, then filter after soaking 48h at 58 DEG C, extraction, extracts sweet-scented oleander leaf extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(2) root of langdu extract preparation: get the fresh root of langdu, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:3 mixes with mass ratio, use microwave treatment 27s, then filter after soaking 50h at 52 DEG C, extraction, extracts root of langdu extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(3) composite: above-mentioned oleander extract and root of langdu extract are mixed according to the ratio of 3:1, and it is anticorrosion to add antibiotic.
embodiment 5:
A kind of preparation method of sweet-scented oleander root of langdu environment-friendly pesticide:
(1) oleander extract preparation: get fresh sweetscented oleander leaf, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:5 mixes with mass ratio, use microwave treatment 25s, then filter after soaking 48h at 64 DEG C, extraction, extracts sweet-scented oleander leaf extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(2) root of langdu extract preparation: get the fresh root of langdu, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:3 mixes with mass ratio, use microwave treatment 29s, then filter after soaking 50h at 51 DEG C, extraction, extracts root of langdu extract, Distillation recovery ethanol in 85 DEG C of water-baths;
(3) composite: above-mentioned oleander extract and root of langdu extract are mixed according to the ratio of 3:1, and it is anticorrosion to add antibiotic.
embodiment 6 index is tested and assessed:
Comparative example 1: do not carry out composite, only uses sweet-scented oleander extract.
Comparative example 2: do not carry out composite, only use euphorbia extracting solution.
Method of testing:
(1) insect of picking up under the green soy bean of field steals poison moth, will steal the hungry 5h of poison moth, and be divided into 7 groups, often organize 10;
(2) dry cleaning without any residual green soy bean blade, the concentration insecticide of 1-5 of the present invention, comparative example 1-2 being prepared into 100mg/L is sprayed onto on green soy bean blade;
(3) the green soy bean blade spraying insecticide is put into the conical flask of sterilizing, drying, steal poison moth also put into conical flask by 7 groups, then with on gauze cover, 24 as a child observed dead robber poison moth.
Result is as shown in table 1:
Table 1
As can be seen here, sweet-scented oleander of the present invention and euphorbia extracting solution, under special ratios mixing, having the very significant toxic action to stealing poison moth, can reach good lethal dose at much lower concentrations, can at utmost protection of the environment, reduce residual and harm.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. the preparation method of a sweet-scented oleander root of langdu environment-friendly pesticide:
(1) oleander extract preparation: get fresh sweetscented oleander leaf clean dry, be cut into fragment, be placed in baking oven and dry, then pulverize, and the rear microwave treatment of ethanol mixing, filter after then soaking 48h, extraction, extracts sweet-scented oleander leaf extract, and water-bath distillation reclaims ethanol;
(2) root of langdu extract preparation: get the fresh root of langdu, cleans and dries, be cut into fragment, be placed in 60 DEG C of baking ovens and dry, then pulverize, and the rear microwave treatment of ethanol mixing, and filter after then soaking 50h, extraction, extract root of langdu extract, water-bath distillation reclaims ethanol;
(3) composite: above-mentioned oleander extract and root of langdu extract are mixed according to the ratio of 3:1, and it is anticorrosion to add antibiotic.
2. preparation method according to claim 1, wherein:
Preferred steps (1) is: get fresh sweetscented oleander leaf, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:5 mixes with mass ratio, use microwave treatment 20-26s, then filter after soaking 48h at 55-65 DEG C, extraction, extracts sweet-scented oleander leaf extract, Distillation recovery ethanol in 85 DEG C of water-baths
Preferred steps (2) is: get the fresh root of langdu, clean, dry, be cut into fragment, broken blade is placed in 60 DEG C of baking ovens to dry, then pulverize, get dry pulverize after leaf and ethanol be that 1:3 mixes with mass ratio, use microwave treatment 25-30s, then filter after soaking 50h at 50-55 DEG C, extraction, extracts root of langdu extract, Distillation recovery ethanol in 85 DEG C of water-baths;
The antibiotic of preferred steps (3) is Ciprofloxacin.
3. the preparation method that claim 1-2 states makes the insecticide obtained.
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| CN201510336307.3A CN104957183A (en) | 2015-06-17 | 2015-06-17 | Environment-friendly insecticide with nerium indicum and radix euphorbiae lantu |
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Cited By (8)
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| CN106106590A (en) * | 2016-06-27 | 2016-11-16 | 莫芳英 | A kind of natural plants antibacterial for the Herba Dendrobii prevention and control of plant diseases, pest control |
| CN106165703A (en) * | 2016-07-13 | 2016-11-30 | 重庆全合农业发展有限公司 | A kind of compositions killing blood orange fruit piercing moth |
| CN106234426A (en) * | 2016-07-15 | 2016-12-21 | 广西顺帆投资有限公司 | One vegetative insecticide and preparation method thereof |
| CN106962422A (en) * | 2017-05-12 | 2017-07-21 | 还童（锦州）特殊医学用途配方食品有限公司 | Vegetable insecticide and preparation method thereof |
| CN107047547A (en) * | 2017-05-26 | 2017-08-18 | 陕西科技大学 | Biological clear garden agent of a kind of apple garden and preparation method thereof and application method |
| CN107396938A (en) * | 2017-08-17 | 2017-11-28 | 合肥轩达农业技术开发有限公司 | A kind of soil insecticide and preparation method thereof |
| CN111248232A (en) * | 2020-03-16 | 2020-06-09 | 南通大学 | Slow-release efficient insect-repelling biological pesticide and preparation method thereof |
| CN114539852A (en) * | 2022-02-22 | 2022-05-27 | 广西瑞朗生物科技有限公司 | Anti-adhesion netting coating and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106106590A (en) * | 2016-06-27 | 2016-11-16 | 莫芳英 | A kind of natural plants antibacterial for the Herba Dendrobii prevention and control of plant diseases, pest control |
| CN106165703A (en) * | 2016-07-13 | 2016-11-30 | 重庆全合农业发展有限公司 | A kind of compositions killing blood orange fruit piercing moth |
| CN106234426A (en) * | 2016-07-15 | 2016-12-21 | 广西顺帆投资有限公司 | One vegetative insecticide and preparation method thereof |
| CN106962422A (en) * | 2017-05-12 | 2017-07-21 | 还童（锦州）特殊医学用途配方食品有限公司 | Vegetable insecticide and preparation method thereof |
| CN107047547A (en) * | 2017-05-26 | 2017-08-18 | 陕西科技大学 | Biological clear garden agent of a kind of apple garden and preparation method thereof and application method |
| CN107396938A (en) * | 2017-08-17 | 2017-11-28 | 合肥轩达农业技术开发有限公司 | A kind of soil insecticide and preparation method thereof |
| CN111248232A (en) * | 2020-03-16 | 2020-06-09 | 南通大学 | Slow-release efficient insect-repelling biological pesticide and preparation method thereof |
| CN111248232B (en) * | 2020-03-16 | 2021-12-28 | 南通大学 | Slow-release efficient insect-repelling biological pesticide and preparation method thereof |
| CN114539852A (en) * | 2022-02-22 | 2022-05-27 | 广西瑞朗生物科技有限公司 | Anti-adhesion netting coating and preparation method thereof |
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Application publication date: 20151007 |