CN1111478A - Insectiside composed of Chinese herbal medicines and preparing method thereof - Google Patents
Insectiside composed of Chinese herbal medicines and preparing method thereof Download PDFInfo
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- CN1111478A CN1111478A CN94117680A CN94117680A CN1111478A CN 1111478 A CN1111478 A CN 1111478A CN 94117680 A CN94117680 A CN 94117680A CN 94117680 A CN94117680 A CN 94117680A CN 1111478 A CN1111478 A CN 1111478A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invented insecticide is composed of the extracts of the protophytes of multiple kinds of traditional Chinese medicinal herbs such as flavescent sophora root, pyrethrum cinerariifolium, Euphorbia fisheriana, chinaberry, tuber of stemona, tobacco, trifoliate jewelvine, artemisia apiaeea, and etc., and is made up through the processes of dewatering, crushing, soaking, filtering, digesting, concentrating and blending. Said insecticide features efficient, low toxic, without remnant poison and broad spectrum. It can be used for various crops to cure and prevent the plant diseases and insect pests and serve for the action of promoting growth simultaneously. It is safe for humanbeing and animals.
Description
The present invention relates to a kind of vegetable insecticide and prepare its method.
At present both at home and abroad agricultural insecticide is still based on chemical pesticide because the production of chemical pesticide and use toxicity big, the residual quantity height, user and consumer health are threatened very big, seriously polluted to soil environment, long-term use easily causes the pesticide resistance of insect.These all are countries in the world problems anxious to be solved.
Though microorganism insecticide comparison safety is most because of drug action is slow, poor, the desinsection narrow range of the power of knocking down, and must high concentration use, so is difficult to apply.
Make insecticide after utilizing single plant extracts or employing several plant extract to mix in the recent period, as the disclosed technology of CN 1063601A.But because the pharmaceutical formulation of selecting is not ideal enough, the preparation method is short of science, and most product efficacy of a drug are poor, knock down a little less than the power, the quality instability, insecticidal effect is poor, general working concentration all is the 200-500 times of aqueous solution, does not reach the real standard of chemical pesticide, it is applied be restricted.
The objective of the invention is to avoid the deficiencies in the prior art part, and provide a kind of efficient, low toxicity, the broad spectrum type vegetalitas agricultural insecticide and the method for making thereof of noresidue.
Can take following technical scheme to realize purpose.Insecticide mainly is made of the extract of following Chinese herbal medicine protophyte, presses the raw material total weight:
Kuh-seng 3-13%, chrysanthemum cinesariaefolium 1-45%
Tuber of stemona 3-12%, root of langdu 2-12%
China tree 3-12%, Rhododendron molle 0-20%
Semen Strychni 0-20%, a bird 0-20%
Thunder godvine 3-13%, tobacco 5-45%
Trifoliate jewelvine 1-20%, hemlock 0-15%
Sweet wormwood 1-15%, Wormseed 0-15%
The main process of preparation is: through selected, dehydration, pulverizing, immersion, filtration, the boiling of raw material, processing such as refilter, concentrate, extract the effective ingredient of each protophyte respectively, add auxiliary agents such as agricultural emulsifier more according to a certain percentage and be mixed, make polynary Chinese herbal medicine insecticide.
Be described in further detail in conjunction with the content of embodiment the technical program.
Because the extract that adopts polynary Chinese herbal medicine protophyte is as the insecticidal activity thing, main chemical is left-handed nicotine, anabasine, aphyllidine, rotenone, deguelin, strychnine, pyrethrin, cinerin, wilfordine, wilfordine, Strychnine, andromedotoxin, farrerol, rhodomollein, matrine, a river element, a bitter malicious alkali and a bitter alkali, chamaejasmine, stemonine, santonin, aconitine, Hypaconitine etc.The desinsection wide spectrum, various pests, lepidoptera pests such as two spotted spider mite, cabbage caterpillar, aphid, capsicum oriental tobacco budworm, heart-eating worm, yellow flea beetle worm, thrips, rice leafhopper, mythimna separata, tea geometrid, tame lice, flea are all had stronger action of contace poison and have certain stomach poison function concurrently, and its toxic ingredient is natural degradation and biological degradation very easily.Therefore this insecticide does not have residual toxicity substantially to crops, and is nuisanceless, pollution-free to soil, environment.
During preparation, at first tackle Chinese herbal medicine and carry out selectedly, every kind of raw material should be pure dry product, avoids going mouldy, damages by worms, variable color, spoiled, rotten and so on fake and poor products, promptly chooses raw material routinely.Raw material can be under certain pressure, and airtight dehydration also can be taked alternate manner.Piece, sheet, bar or other shape that dehydrated raw material is broken into 1-6mm all can.Raw material after the pulverizing soaks in 10-40 ℃ of acidic aqueous solution or organic solvent, 1-10 hour; After the filtration again with the multiple slag boiling of acidic aqueous solution or organic solvent, boiling temperature 40-130 ℃, 1-8 hour, the leaching effect is good.Acidic aqueous solution, as the aqueous hydrochloric acid solution of 1-5%, aqueous sulfuric acid, formic acid, acetic acid aqueous solution or methyl alcohol, ethanol, isopropyl alcohol, ether, toluene, dimethylbenzene, C
4-C
3Organic solvent such as linear paraffin, alkene, aromatic hydrocarbons, hydrocarbon mixture result of use is preferably all arranged.Refilter slagging-off after the boiling; Filtrate is concentrated routinely.
When water, acidic aqueous solution soak, when extracting effective ingredient, tackle the ammonium hydroxide that concentrate adopts 0.1-1N, carbonic hydroammonium, sodium bicarbonate, acid adjustment values such as sodium carbonate make PH between 3-7.8.
Work as water, acidic aqueous solution soaks, and when extracting effective ingredient, the concentrate of also tackling after the acid adjustment value carries out preservative treatment, and preservative treatment can be taked to add modes such as various preservatives or boiling and carry out.
When the concentrate that extracts each protophyte is mixed, can adopt the nonionic surface active agent of HLB=8-15 or cationic surface active agent as emulsifier, the emulsifier addition is the 3%-18% of concentrate gross weight.As HLB is the polyethenoxy ether class nonionic surface active agent of 8-15, neopelex etc.Emulsifier can adopt one or more mixture.Stir after being mixed, promptly obtain the Chinese herbal medicine insecticide.
The aqueous solution or organic solvent in immersion and the digestion process through concentrating, steam excessive water or organic solvent, these water, and organic solvent can reclaim through condensation respectively, and the closed cycle use consumes to reduce, and prevents to pollute.
Example 1.(1) get dehydrated raw material kuh-seng, the tuber of stemona, the root of langdu, bitter, thunder godvine, tobacco, Wormseed, sweet wormwood are respectively 4.83%, 4.83%, 2.9%, 5.31%, 5.31%, 19.34%, 9.66%, 7.73% of raw material gross weight; Pulverize 5 times heavy of back adding 3% aqueous sulfuric acids, under 28 ℃, soaked respectively 9 hours to raw material; After the filtration again with the multiple slag of 3 times of sour waters, 100-101 ℃ of following hot digestion 3 hours; Refilter, twice filtrate merges; The heating normal pressure concentrates, and concentrating finishes adds the NH of 0.1N
4OH solution transfers to pH value 7.8; The formaldehyde that adds concentrate gross weight 1% again carries out preservative treatment; Stir, store respectively and wait to join.
(2) trifoliate jewelvine, Rhododendron molle, chrysanthemum cinesariaefolium, the Semen Strychni powder of getting after the dehydration is respectively 14.49%, 3.38%, 14.49%, 7.73% of raw material gross weight; The dimethylbenzene that adds 5 times of weights of each raw material at room temperature soaked 8 hours; Answer 100 ℃ of following boilings of slag 2 hours with 3 times of heavy dimethylbenzene again after the filtration; Filter to store respectively after twice filtrate in back merges, concentrates under 150mmHg and wait to join.
(3) getting the APEO monoleate is concentrate in the 5% heavy adding (2) of concentrate, mixes mutually, stirs and makes oil mixture;
Get OPEO, sodium alkyl benzene sulfonate, AES and be respectively 3%, 3%, 3% of concentrate gross weight and add concentrate in (1), mix mutually, stir and make aqueous mixture.
Above-mentioned oil mixture is added in the aqueous mixture, stir, be finished product.Reclaim solution or organic solvent, recycle.
Example 2.(1) gets chrysanthemum cinesariaefolium after the dehydration, tobacco, bitter, sweet wormwood, kuh-seng, the tuber of stemona, the root of langdu, thunder godvine and be respectively 12.5%, 12.5%, 5.%, 1.88%, 5.%, 6.25%, 7.5%, 5% of raw material gross weight; Pulverize 5 times heavy of back adding 3% aqueous acetic acids, under 28 ℃, soaked respectively 9 hours to raw material; After the filtration again with the multiple slag of 3 times of aqueous acetic acids, 100-101 ℃ of following hot digestion 3 hours; Refilter, twice filtrate merges: the heating normal pressure concentrates, and concentrates to finish as routine 1.(1) the acid adjustment value, preservative treatment stirs respectively, stores and waits to join.
(2) trifoliate jewelvine, the rhizome of Chinese monkshood, hemlock, the Semen Strychni of getting after the dehydration is respectively 18.75%, 17.5%, 3.12%, 5% of raw material gross weight, pulverizes the back and adds 5 times of heavy benzinums of each raw material and dimethylbenzene with the mixed liquor of 1: 1 ratio, at room temperature soaks 8 hours; As routine 1.(2) boiling, filtrate merges, and concentrates, and stores respectively and waits to join.
(3) as routine 1(3) to each concentrate mixing adding emulsifier of (2), make oil mixture;
As routine 1(3) to each concentrate mixing of (1), add emulsifier, make aqueous mixture.
Above-mentioned oil mixture is added in the aqueous mixture, stir, get product.
The present invention is relative, and prior art has the following advantages:
1. comprehensive insecticidal effect height, insecticidal activity is strong, namely uses 1500-2000 times of water diluent to still have certain insecticidal effect, and through field control effectiveness test, 1000 times of aqueous solution of this pesticide are 24 Can reach more than 98.11% the cabbage caterpillar killing rate in hour, be better than 1000 times of aqueous solution of acetic acid acephatemet of 30% and the insecticidal effect of 1500 times of liquid of 5% r; Prevention effect to resistance aphid mixed populations such as black peach aphid, melon aphids is equivalent to 1000 times of aqueous solution of 20% fenvalerate missible oil, is better than the effect of 40% dimethoate emulsifiable concentrate, 1000 aqueous solution.
2. to plant performance safety, there is not any poisoning, even use 50 times the aqueous solution still to plant surface safety, so applied range, can be widely used in the plant prevention disease and pests such as vegetables, tealeaves, mulberry tree, tobacco, flowers, grain, paddy rice, cotton, forest, also can be used as poultry, domestic animal and domestic pets and kill parasite.
3. the desinsection wide spectrum has stronger action of contace poison to various insects, and certain stomach poison function is arranged.
4. sterilization disease-resistant, growth promoting function are obvious, spray vegetables, the fruit tree of this pesticide, and it is especially luxuriant to grow, and to the capsicum leaf disease, water dish rot has certain prevention effect; Skin disease to domestic animal also has certain curative effect.
5. crops there is not residual toxicity substantially, to soil, environment is nuisanceless pollution-free; Three-waste free discharge in the production, process water and organic solvent recycle, and reduce to consume, and cost is lower, and technology is simple, suitability for industrialized production.
Claims (7)
1, a vegetative insecticide is characterized in that: it mainly is made of the extract of following Chinese herbal medicine protophyte, presses the raw material total weight:
Kuh-seng 3-13%, chrysanthemum cinesariaefolium 1-45%
Tuber of stemona 3-12%, root of langdu 2-12%
China tree 3-12%, Rhododendron molle 0-20%
Semen Strychni 0-20%, rhizome of Chinese monkshood 0-20%
Thunder godvine 3-13%, tobacco 5-45%
Trifoliate jewelvine 1-20%, hemlock 0-15%
Sweet wormwood 1-15%, Wormseed 0-15%
2, a kind of preparation method who is used for the described vegetable insecticide of claim 1, it is characterized in that: main processes is: protophyte through dehydration, pulverize, soak, filter, multiple slag, boiling, refilter, after the concentration, add emulsifier and be mixed and form.
3, preparation method as claimed in claim 2 is characterized in that: soak 1-10 hour in 10-40 ℃ of acidic aqueous solution or organic solvent.
4, preparation method as claimed in claim 2 is characterized in that: boiling temperature 40-130 ℃, and 1-8 hour.
5, as claim 2,3,4 described preparation methods, it is characterized in that: after water, acidic aqueous solution immersion, extracting effective ingredient, the reply concentrate adopts ammonium hydroxide, carbonic hydroammonium, sodium bicarbonate, the sodium carbonate acid adjustment value of 0.01-1N, makes pH value between 3-7.8.
6, as claim 2,3,4 described preparation methods, it is characterized in that: when water, acidic aqueous solution immersion, extraction effective ingredient, the concentrate after the reply acid adjustment value carries out preservative treatment.
7, preparation method as claimed in claim 2 is characterized in that: the non-ionic surface active agent of employing HLB=8-15 or cationic surface active agent are as emulsifier when being mixed, and the emulsifier addition is the 3%-18% of concentrate gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94117680A CN1111478A (en) | 1994-11-01 | 1994-11-01 | Insectiside composed of Chinese herbal medicines and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94117680A CN1111478A (en) | 1994-11-01 | 1994-11-01 | Insectiside composed of Chinese herbal medicines and preparing method thereof |
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| CN1111478A true CN1111478A (en) | 1995-11-15 |
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| CN94117680A Pending CN1111478A (en) | 1994-11-01 | 1994-11-01 | Insectiside composed of Chinese herbal medicines and preparing method thereof |
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| CN1048974C (en) * | 1995-12-14 | 2000-02-02 | 李振贤 | Traditional Chinese medicine pesticidal and disease preventing micro-fertilizer compound and its preparing method |
| CN1066018C (en) * | 1997-11-18 | 2001-05-23 | 淄博市临淄镭射技术研究所 | Plant farm-chemical composition |
| CN1090906C (en) * | 1999-05-14 | 2002-09-18 | 李金山 | Biological plant insecticide |
| CN1093377C (en) * | 1998-12-02 | 2002-10-30 | 臧凯赛 | Composite plant extract liquid as agricultural disinfectant |
| CN1969636A (en) * | 2005-11-21 | 2007-05-30 | 刘伟平 | Compound botanical disinfectant use in agriculture and method for producing same |
| CN100382707C (en) * | 2006-06-30 | 2008-04-23 | 刘景相 | A botanical pesticide |
| CN100441097C (en) * | 2005-12-09 | 2008-12-10 | 杨峰 | Insecticide for crop, and preparation method |
| CN101156607B (en) * | 2007-11-20 | 2010-11-24 | 史建生 | A plant pesticide and its preparing method as well as application |
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|---|---|---|---|---|
| CN1048974C (en) * | 1995-12-14 | 2000-02-02 | 李振贤 | Traditional Chinese medicine pesticidal and disease preventing micro-fertilizer compound and its preparing method |
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