CN101427692B - Plant pesticide and preparation method thereof - Google Patents

Plant pesticide and preparation method thereof Download PDF

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Publication number
CN101427692B
CN101427692B CN2007100360844A CN200710036084A CN101427692B CN 101427692 B CN101427692 B CN 101427692B CN 2007100360844 A CN2007100360844 A CN 2007100360844A CN 200710036084 A CN200710036084 A CN 200710036084A CN 101427692 B CN101427692 B CN 101427692B
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plant
prickly ash
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CN101427692A (en
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邓运春
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Huaihua Fuyuan Oil Industry Co.,Ltd.
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邓运春
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

The invention discloses a plant pesticide and preparation method thereof, wherein the raw material of the plant pesticide comprises tea waste matter, prickly ash seed and bark, dry tobacco leaf and branch, sulfur powder, medicinal evodia fruit or the like. The temperature and operation time are rigidly controlled using different method according to different medical properties and constituents of various plant herbal medicines and the effective ingredients are extracted to produce the pesticide and then the pesticide is diluted using a special diluent formed by Siberian Cocklebur tree, cuckoo-bud grass, joint vetch, polygonum hydropiper, dogbane and bead tree to be used for plant and cropper disinsection and insect prevention to replace the chemical pesticide with disinsection rate of above 96%.

Description

Plant pesticide and preparation method thereof
Technical field
The present invention relates to a kind of is the agricultural chemicals that raw material is made with the plant, also relates to the preparation method of this plant pesticide simultaneously.
Background technology
There is multiple life in natural world, and along with climate warms, temperature and humidity has been created the advantage of breeding development for biological particularly various insect pest of the plant; Human fast development, various foods increase day by day, have created a lot of pollution source, and the destruction of the Nature ecotope increases the weight of to have caused various insect pest development and demutation in addition.Human since ancient times just had with plant and Chinese herbal medicine fry in shallow oil the fact that water comes desinsection to remove the evil, along with the reach of science, people have invented the method for removing the evil with the efficient toxin desinsection of chemical pesticide.It is higher that chemical pesticide contains toxin, is used for crops and vegetables desinsection, and easily by plant absorbing, causing residually in crops and vegetables, fruit, the melon and fruit has a chemical toxicant, and annual for many years all have because of the chemical pesticide dead people that poisons; Chemical pesticide brings various diseases more countless to people, serious harm people's healthy and life security; Chemical pesticide has also caused serious pollution to environment simultaneously; Long-term a large amount of the use allows insect develop immunity to drugs again easily, and the greater amount of having to is used, and forms vicious circle.For the protection of human beings'health and environment, thoroughly root out chemical pesticide, the damage by disease and insect that people begin to select to carry out crops with plant pesticide is killed.What be that 02132521.9 " biologic insecticidal bactericide without environmental pollution " and " a kind of novel composite plant high-efficiency broad spectrum agricultural chemicals and preparation method thereof " of 02150746.5 etc. all put down in writing as application number is to be that raw material is made agricultural chemicals with plant, and these all are that people recognize the harm of chemical pesticide and the method taked.For a long time, the applicant is to some plants of the Nature growth, as concentrating on studies and repetition test that plant such as paddy rice, the seedlings of cereal crops, various vegetable melon and fruit, fruit, flowers and trees, flower seedling, trees, sapling and crops have carried out surplus in the of ten year, to the insect pest principle of plant and crops carried out deeply and complicatedly inquire into, research, find the toxin composition of the vegetable Chinese herbal medicine of utilization the Nature, replace the chemical pesticide desinsection to remove the evil, therefrom find a kind of plant pesticide and preparation method thereof.
Summary of the invention
The purpose of this invention is to provide the damage by disease and insect that a kind of plant pesticide is used to kill plant and crops.
Another object of the present invention provides the preparation method of this plant pesticide.
Solution of the present invention is to select the toxin composition of the vegetable Chinese herbal medicine of utilization the Nature, is refined compatibility, strengthens the property of medicine, arrives the purpose of the damage by disease and insect of killing plant and crops.
Plant pesticide of the present invention, its raw material of making comprises following component: tea oil residule, Chinese prickly ash seed and bark, dry tobacco leaf and branch bar, Cosan, evodia rutaecarpa, its concrete component is (weight): tea oil residule extract 26-30%, Chinese prickly ash seed and bark extract 10-15%, dry tobacco leaf and branch bar extract 20-26%, Cosan 19-25%, the sub-extract 12-16% of evodia rutaecarpa, other is preservative 1-3%.
Described plant pesticide, its concrete component is (weight): tea oil residule extract 27%, Chinese prickly ash seed and bark extract 15%, dry tobacco leaf and branch bar extract 21%, Cosan 21%, the sub-extract 13% of evodia rutaecarpa, preservative 3%.
Described plant pesticide, it make raw material and can also comprise following component: tea oil residule, Chinese prickly ash seed and bark, a dry tobacco leaf and a branch bar, Cosan, evodia rutaecarpa, towards the sky chilli, camphortree leaf, Gen Pi and seed; Its concrete component is (weight): tea oil residule extract 26-30%, Chinese prickly ash seed and bark extract 10-15%, dry tobacco leaf and branch bar extract 18-23%, the sub-extract 9-13% of Cosan 13-18% evodia rutaecarpa is towards sky chilli extract 10-13% camphortree leaf, Gen Pi and seed extract 5-7%.Its concrete component is (weight): tea oil residule extract 26%, Chinese prickly ash seed and bark extract 11%, dry tobacco leaf and branch bar extract 18%, Cosan 17%, the sub-extract 12% of evodia rutaecarpa, towards sky chilli extract 10%, camphortree leaf, Gen Pi and seed extract 6%.
Plant pesticide of the present invention has the dilution that is mated, and the weight proportion of plant pesticide and dilution is 1: 10-15, and the raw material of making of this thinner comprises following component (weight): Siberian cocklebur tree, leaf, seed 15%; Herba Ranunculi Japonici grass, leaf 15%; Ambatch 20%; Flaccid knotweed herb 15%; Sweetscented oleander leaf, bark 15%; Practice hard bark, leaf, seed 20%.
The preparation method of plant pesticide of the present invention is:
1.. tea oil residule is broken into fine powder, puts into water, be heated to 80-90 ℃ of temperature, continuous stirring and keep 4-5 hour after, solution is filtered, again filtrate is heated concentration and evaporation moisture content 50%, the cooling, packing is standby;
2.. Chinese prickly ash bark and Chinese prickly ash seed after being 45-60 ℃ of sealing oven dry, are worn into fine powder, are 70-95 ℃ of hot-water soak 3-4 hour with temperature, the sealing refining after the solution filtration, is heated concentration and evaporation moisture content 50% with filtrate, cooling, sealing is preserved standby in the opaque bottle of packing into then.
3.. dry tobacco leaf and branch bar are dried 50-60 ℃ temperature, wear into fine powder, add water and be warmed up to 90 ℃ of refinings 4 hours, filter again, filtrate is heated concentration and evaporation moisture content 50%, cooling, standby;
4.. evodia rutaecarpa is dried 40-58 ℃ temperature, wear into fine powder, add water and be warmed up to 90-98 ℃ of sealing refining 4 hours, filter again, filtrate is heated concentration and evaporation moisture content 50%, cooling; Standby;
5.. will be by the tea oil residule extract of above-mentioned steps preparation, Chinese prickly ash seed and bark extract, dry tobacco leaf and branch bar extract, the sub-extract of evodia rutaecarpa mixes according to the above ratio with Cosan, adds preservative, barrelling at last.
If in prescription, have towards sky chilli and camphortree leaf, Gen Pi and seed, then will make towards the preparation method of sky chilli by dry tobacco leaf and branch bar, standby; With camphortree leaf, tree, skin, seed etc., dry 50-60 ℃ temperature, wear into fine powder, add water and be warmed up to 90-98 ℃ of sealing refining 4 hours, filter again, filtrate is heated concentration and evaporation moisture content 50%, cooling seals standby; At last with the tea oil residule extract of preparation, Chinese prickly ash seed and bark extract, a dry tobacco leaf and a branch bar extract, the sub-extract of evodia rutaecarpa, towards sky chilli extract, camphortree leaf, Gen Pi and seed extract mix barrelling according to the above ratio with Cosan.
The dilution of described plant pesticide, its preparation method is: raw material is cleaned, and cut-out is smashed, carry out bake drying in the sealing of 40-50 ℃ temperature, add water in described ratio and spend 80-95 ℃ the time concise 4 hours, filter again, filtrate is heated concentration and evaporation to moisture content 70%, cooling, barrelling.
Tea oil residule in the prescription of the present invention, the nature and flavor toil, slightly poisonous, have and control scabies addiction worm, the antipruritic pain effect of parasites extremely extremely; Chinese prickly ash seed, bark property and flavor of peppery and warm, slightly poisonous, desinsection is arranged, go the raw meat deodorizing, benumb refreshing smart effect; Dry tobacco leaf, branch bar, nature and flavor are arduous, and are poisonous, kill parasites and remove leech, control and dislike scabies worm poison; The acid of Cosan nature and flavor, temperature, poisonous, control the erosion of vulva, desinsection is controlled tinea sarcoptic mite poison, prevents insect pest effects such as vegetable drug; The evodia rutaecarpa seed, property and flavor of peppery and warm, slightly poisonous, parasites detoxifcation is extremely arranged, control effects such as disliking the worm poison; Camphor tree seed, root skin, leaf, nature and flavor are hot, fragrant, nontoxic, and main effect is killed golden sarcoptic mite, is removed poison, and anti-all damaged by insect things are anticorrosion; Towards the sky chilli, nature and flavor are pungent, warm, and are nontoxic, and that main effect has is warm, remove temperature, murder worm and remove long-pendingly, control the numbness pain.
Siberian cocklebur tree, leaf, seed are sweet in flavor and warm in property, slightly poisonous in the dilution of cooperation plant pesticide, can control tinea scrofula scabies, and desinsection is removed the evil; Flaccid knotweed herb, property and flavor of peppery and warm, poisonous, effect has desinsection to remove the evil, control snake venom, removes warm epidemic disease poison; The Herba Ranunculi Japonici grass, property and flavor of peppery and warm, poisonous, it is swollen bitterly that the evil sore is controlled in main effect, the desinsection pain relieving; Ambatch has another name called jequirity, and nature and flavor are bitter flat, slightly poisonous, and effect has parasites extremely; Sweet-scented oleander bark, leaf, nature and flavor hardship, suffering, poisonous, effect has desinsection to remove wet, controls mange virus; Practice hard tree, skin, nature and flavor are arduous, and are poisonous, and extraneous parasites, the hot poison of removing summer-heat etc. are killed in effect.Above plant herbal medicine is an auxiliary material, aims at the dilution of insecticide.
The present invention adopts diverse ways with various plant herbal medicine according to the different property of medicine and composition, strict control temperature and operating time, extract the effective ingredient of medicine, tea oil residule, Chinese prickly ash seed and bark, dry tobacco leaf and branch bar, Cosan and evodia rutaecarpa are main insecticidal constituent in prescription, camphortree leaf, Gen Pi and seed have outside the defending insect and killing effect, also play the effect of preservative, booster action is arranged towards the sky chilli.Plant pesticide after all refine carries out packing, dissolves by drug toxicity composition separately, measures according to old, the children of plants such as usable area and trees, flowers and plants, vegetable melon and fruit, fruit, the large and small plant pesticide of prepare in use.When generally being used for extremely the vegetables worm, be 1: 15 with 1 kilogram of plant pesticide with addition of 15 kilograms of ratios of plant dilution, dissolve into insecticide, also available plant pesticide is to dissolve into insecticide at 1: 10 with addition of plant dilution ratio.Every mu of area uses plant pesticide just can kill off the insect pests for 2 kilograms, and the time spent sprays for good with sprayer.Most of then and there insect death after killing.Some insect is dead in 2 hours.
During use, the user will put on husky lint face mask, in order to avoid the toxin of plant pesticide enters human respiratory, causes the human body cough and asthma, the reaction of giddy, dim eyesight, but can not cause degree of depth poisoning.If respond, rest will take a turn for the better in one hour at the ventilating cool place.To the exanthemv person, can not contact this medicine.This medicine is the medicine that specially kills plant and crop pests.Forbid people and animal inlet for oral administration.After being sprayed at each plant species, crops vegetable melon and fruit, trees, fruit, the seedlings of cereal crops, paddy rice desinsection, plant can absorb, be a kind of fertilizer, there is not the toxin remains, after particularly in a single day fruit, vegetable melon and fruit sprayed desinsection, just washing with water after 3 to 4 hours not can residual toxin, so killed worm the morning, afternoon is edible, also can not cause poisoning.This plant pesticide can not produce destruction and pollution to plant and soil, and real favourable human beings'health has solved the problem that chemical pesticide is easily poisoned and caused various diseases.According to the actual use of the applicant, plant pesticide killing rate of the present invention is more than 96%, and is all effective to the damage by disease and insect of frequently seen plants and crops, but to the poor effect of hard-shelled insect pests such as the locust that grows up.Be concrete use-case below:
Example one: cold water small stream township, Huaihua City Zhi Jiang county, Hunan Province uses plant pesticide of the present invention to kill the oranges and tangerines insect pest to Long Tang level ground, home village group villager Yang Ansong, 6 mu of areas, dissolve the dilution 120 kg with 12 kilograms of plant pesticides (2 kilograms every mu), kill two spotted spider mite, blue or green worm, spray and took effect in back five minutes, most of insect death is landed, and fraction is dead in one hour, and killing rate is more than 96%.
Example two: Xiao Ping township, Zhi Jiang county Xiao Ping village Ma Jiazhuan villager Deng Yunfan kills insect pest of the fruit tree such as oranges and tangerines, tangerine orange, rock sugar mandarin orange, ponkan with plant pesticide control combination of the present invention, as the leaf moth that curls up, pomegranate skinworm, coccid, rust addiction lice, two spotted spider mite etc., specific practice: 1. when the citrus fruit tree germinates, spray once with this medicine; 2. after fruit tree yields positive results, spray once; 3. in spring and summer season,, spray secondary in worm growth and breeding peak period according to temperature; 4. behind picking fruit, spray and once keep fruit tree to pass the winter.Good disinsection effect like this, killing rate is big more than 97%.
Example three: Xiao Ping township, Zhi Jiang county Xiao Ping village Ma Jiazhuan villager Deng Chengyun use plant pesticide of the present invention kills rice insect pest such as rice fulgorid, borer, the leaf moth etc. that curls up, and 4.2 mu of areas take effect after the sprinkling, and killing rate is more than 96%.
Example four: cold water small stream township in Zhi Jiang county uses plant pesticide of the present invention to kill vegetables insect pest such as blue or green cestode, wooden dipper shell worm to Long Tang level ground, home village group villager Tan Shubo, the Chinese cabbage that area is 2.3 mu, radish etc., and killing rate is more than 96%.
Embodiment
Plant pesticide prescription one: tea oil residule extract 26-30%, Chinese prickly ash seed and bark extract 10-15%, dry tobacco leaf and branch bar extract 20-26%, Cosan 19-25%, the sub-extract 12-16% of evodia rutaecarpa, other is preservative 1-3%.
Plant pesticide prescription two: tea oil residule extract 26-30%, Chinese prickly ash seed and bark extract 10-15%, dry tobacco leaf and branch bar extract 18-23%, the sub-extract 9-13% of Cosan 13-18% evodia rutaecarpa is towards sky chilli extract 10-13% camphortree leaf, Gen Pi and seed extract 5-7%.
Above-mentioned prescription is the ratio when dissolving at last after effective ingredients in plant is extracted, and in above-mentioned scope countless embodiments can be arranged during practical application, only selects for use 2 embodiment to be described in detail below.
Above-mentioned prescription plant pesticide needs dilution when using, dilutable water, but use special-purpose dilution better effects if, plant pesticide has special-purpose dilution among the present invention, the weight proportion of plant pesticide and special-purpose dilution is 1: 10-15, and the raw material of making of this thinner comprises following component (weight): Siberian cocklebur tree, leaf, seed 15%; Herba Ranunculi Japonici grass, leaf 15%; Ambatch 20%; Flaccid knotweed herb 15%; Sweetscented oleander leaf, bark 15%; Practice hard bark, leaf, seed 20%.
Embodiment 1:
One. the preparation of plant pesticide
Plant pesticide dissolves prescription (weight %): tea oil residule extract 26%, Chinese prickly ash and bark extract 11%, dry tobacco leaf and branch bar extract 18%, Cosan 17%, the sub-extract 12% of evodia rutaecarpa, towards sky chilli extract 10%, camphortree leaf, Gen Pi and seed extract 6%.
The preparation method of plant pesticide is:
1.. the tea oil oil cake is broken into fine powder, put into water, with electrothermal furnace or boiler heating to 80 degree-90 degree temperature, in kier continuous stirring 4-5 hour, filter, will filter liquid medicine and enter kier and be warmed up to the 120-180 degree, concentration and evaporation moisture content 50% becomes concentrated liquid, treat cold after, barrelling is standby.
2.. is 45-60 sealing oven dry when spending with Chinese prickly ash bark and Chinese prickly ash seed in temperature, be broken into fine powder, with hot-water soak 3-4 hour (temperature is that the 70-95 degree is the most suitable), the sealing refining, reenter after the filtration and heat to 185 degree moisture, 50% extraction anaesthetic in the kier, sealing is preserved standby in the opaque bottle of packing into after the cooling.
3.. a dry tobacco leaf and a branch bar are dried in 50-60 degree temperature, wear into fine powder, put into kier and add water and be warmed up to 90 degree, filter after refining 4-5 hour, filtrate is packed into is warmed up to 190 degree transpiring moistures in the kier, is concentrated into 50%, cooling, barrelling is standby.
4.. the sub-root and stem of certain plants of evodia rutaecarpa, seed are dried with 40-58 degree temperature, be milled to fine powder, put into kier and add water, filter,, be concentrated into 50% the filtrate intensification 180-190 degree transpiring moisture in the kier of packing in concise 4 hours of the 98 degree sealings that heat up, cooling, barrelling is standby.
5.. will towards the sky chilli set by step 3. method make, standby;
6.. with camphortree leaf, tree, skin, seed etc., temperature at 50-60 ℃ is dried, wear into fine powder, put into kier, add water and be warmed up to 90-98 ℃ of sealing refining 4 hours, filter again, filtrate is put into kier be warmed up to 110-148 ℃, refining dehydration concentration and evaporation moisture content 50%, cooling seals standby;
7.. with the tea oil residule extract of preparation, Chinese prickly ash and bark extract, dry tobacco leaf and branch bar extract, the sub-extract of evodia rutaecarpa, towards sky chilli extract, camphortree leaf, Gen Pi and seed extract mix by formula rate with Cosan, stir, barrelling makes plant pesticide.
Two. the preparation of plant pesticide dilution
The prescription of dilution raw material is by weight percentage: Siberian cocklebur tree, leaf, seed 15%, and Herba Ranunculi Japonici grass, leaf 15%, ambatch 20%, flaccid knotweed herb 15%, sweetscented oleander leaf, bark 15% are practiced hard bark, leaf, seed 20%.
The dilution preparation method is: raw material is cleaned, be cut into segment and smash, dry in the sealing of 40-50 ℃ temperature, add kier in described ratio and add water and heated up 80-95 ℃ the time concise 4 hours, filter again, with filtrate 170-190 ℃ of the kier intensification of packing into, sealing transpiring moisture 80 minutes is concentrated to moisture 70%, cooling, barrelling makes dilution.For ensuring the quality of products, also can add the preservative of 1-3% (weight), preservative is selected common food preservative for use, as potassium sorbate etc.
Three. during use, plant pesticide and dilution dissolved by weight 1: 15, mixing and stirring, the sprayer of packing into sprays.
Embodiment 2:
Plant pesticide dissolves prescription (weight %): tea oil residule extract 27%, Chinese prickly ash and bark extract 15%, dry tobacco leaf and branch bar extract 21%, Cosan 21%, the sub-extract 13% of evodia rutaecarpa, preservative 3%.
The preparation method of plant pesticide is:
1.. tea oil residule is broken into fine powder, puts into water, be heated to 80-90 ℃ of temperature, continuous stirring and keep 4-5 hour after, solution is filtered, again filtrate is heated concentration and evaporation moisture content 50%, the cooling, packing is standby;
2.. Chinese prickly ash bark and Chinese prickly ash seed after being 45-60 ℃ of sealing oven dry, are worn into fine powder, are 70-85 ℃ of hot-water soak 3-4 hour with temperature, the sealing refining after the solution filtration, is heated concentration and evaporation moisture content 50% with filtrate, cooling, sealing is preserved standby in the opaque bottle of packing into then.
3.. dry tobacco leaf and branch bar are dried 50-60 ℃ temperature, wear into fine powder, add water and be warmed up to 90 ℃ of refinings 4 hours, filter again, filtrate is heated concentration and evaporation moisture content 50%, cooling, standby;
4.. evodia rutaecarpa is dried 40-58 ℃ temperature, wear into fine powder, add water and be warmed up to 90-98 ℃ of sealing refining 4 hours, filter again, filtrate is heated concentration and evaporation moisture content 50%, cooling; Standby;
5.. will be by the tea oil residule extract of above-mentioned steps preparation, Chinese prickly ash and bark extract, dry tobacco leaf and branch bar extract, the sub-extract of evodia rutaecarpa mixes by formula rate with Cosan, adds preservative at last, and preservative is selected common food preservative for use, as potassium sorbate etc., stir, barrelling makes plant pesticide.
The dilution preparation method is with embodiment 1.
Plant pesticide and dilution dissolve with using method also with embodiment 1.
The water yield that the amount of water of concise in the present invention feedstock production extract adds herbal medicine when generally decocting Chinese herbal medicine is consistent, generally add water to the water surface above material face 2-3cm, promptly the weight ratio of material and water was at 1: 2 approximate range.

Claims (6)

1. plant pesticide, it is made up of following raw materials by weight percent: tea oil residule extract 26-30%, Chinese prickly ash seed and bark extract 10-15%, dry tobacco leaf and branch bar extract 20-26%, Cosan 19-25%, evodia rutaecarpa seed extract 12-16%, other is preservative 1-3%.
2. plant pesticide according to claim 1, it is made up of following raw materials by weight percent: tea oil residule extract 27%, Chinese prickly ash seed and bark extract 15%, dry tobacco leaf and branch bar extract 21%, Cosan 21%, evodia rutaecarpa seed extract 13%, preservative 3%.
3. plant pesticide, it is made up of following raw materials by weight percent: tea oil residule extract 26-30%, Chinese prickly ash seed and bark extract 10-15%, dry tobacco leaf and branch bar extract 18-23%, Cosan 13-18%, evodia rutaecarpa seed extract 9-13% is towards sky chilli extract 10-13% camphortree leaf, Gen Pi and seed extract 5-7%.
4. plant pesticide according to claim 3, it is made up of following raw materials by weight percent: tea oil residule extract 26%, Chinese prickly ash seed and bark extract 11%, dry tobacco leaf and branch bar extract 18%, Cosan 17%, evodia rutaecarpa seed extract 12%, towards sky chilli extract 10%, camphortree leaf, Gen Pi and seed extract 6%.
5. the preparation method of plant pesticide according to claim 1 and 2 is:
1.. tea oil residule is broken into fine powder, puts into water, be heated to 80-90 ℃ of temperature, continuous stirring and keep 4-5 hour after, solution is filtered, again filtrate is heated concentration and evaporation moisture 50%, the cooling, packing is standby;
2.. Chinese prickly ash bark and Chinese prickly ash seed after being 45-60 ℃ of sealing oven dry, are worn into fine powder, are 70-95 ℃ of hot-water soak 3-4 hour with temperature, the sealing refining after the solution filtration, is heated concentration and evaporation moisture 50% with filtrate, cooling, sealing is preserved standby in the opaque bottle of packing into then;
3.. dry tobacco leaf and branch bar are dried 50-60 ℃ temperature, wear into fine powder, add water and be warmed up to 90 ℃ of refinings 4 hours, filter again, filtrate is heated concentration and evaporation moisture 50%, cooling, standby;
4.. the evodia rutaecarpa seed is dried 40-58 ℃ temperature, wear into fine powder, add water and be warmed up to 90-98 ℃ of sealing refining 4 hours, filter again, filtrate is heated concentration and evaporation moisture 50%, cooling; Standby;
5.. will be by the tea oil residule extract of above-mentioned steps preparation, Chinese prickly ash seed and bark extract, dry tobacco leaf and branch bar extract, evodia rutaecarpa seed extract mixes in the ratio of claim 1 or 2 with Cosan, adds preservative, barrelling at last.
6. the preparation method according to claim 3 or 4 described plant pesticides is:
1.. 1.-4. prepare the tea oil residule extract by step in the claim 5, Chinese prickly ash seed and bark extract, dry tobacco leaf and branch bar extract, evodia rutaecarpa seed extract;
2.. will make by the method 3. of step in the claim 5 towards the sky chilli, standby;
3.. with camphortree leaf, root skin, seed, dry 50-60 ℃ temperature, wear into fine powder, add water and be warmed up to 90-98 ℃ of sealing refining 4 hours, filter, filtrate is heated concentration and evaporation moisture 50%, cooling seals standby;
4.. with the tea oil residule extract of preparation, Chinese prickly ash seed and bark extract, dry tobacco leaf and branch bar extract, evodia rutaecarpa seed extract, towards sky chilli extract, camphortree leaf, Gen Pi and seed extract mix barrelling with Cosan in the ratio of claim 3 or 4.
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CN1977619A (en) * 2005-11-29 2007-06-13 马勇 Farm chemical without public pollution and use and preparing method thereof

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