CN103503925A - Dysphania ambrosioides volatile oil fumigation granules and preparation method - Google Patents
Dysphania ambrosioides volatile oil fumigation granules and preparation method Download PDFInfo
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- CN103503925A CN103503925A CN201310445145.8A CN201310445145A CN103503925A CN 103503925 A CN103503925 A CN 103503925A CN 201310445145 A CN201310445145 A CN 201310445145A CN 103503925 A CN103503925 A CN 103503925A
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- volatile oil
- chenopodium ambrosiodies
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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
Abstract
The invention discloses dysphania ambrosioides volatile oil fumigation granules and a preparation method and solves the problems of serious soil-borne disease, large dosage and labor waste of a protected area. The dysphania ambrosioides volatile oil fumigation granules comprise the following components: dysphania ambrosioides volatile oil, an adhesive, an adsorbent and a carrier. The preparation method comprises the following steps: adding the adhesive into hot water and stirring to obtain aqueous solution of the adhesive, wherein the weight ratio of the adhesive to the water is 1:(5 to 10); dissolving the dysphania ambrosioides volatile oil into absolute ethyl alcohol to obtain ethanol solution of the dysphania ambrosioides volatile oil, wherein the weight ratio of the dysphania ambrosioides volatile oil to the absolute ethyl alcohol is 1:(1 to 5); mixing the ethanol solution of the dysphania ambrosioides volatile oil and the carrier, then sequentially adding the aqueous solution of the adhesive and the adsorbent, mixing and stirring, carrying out coating and granulation, cooling and sieving the obtained product by a 20-mesh sieve. The dysphania ambrosioides volatile oil fumigation granules are convenient to use, have low pollution and a long medicine effect period, save manpower and material resources, can effectively prevent and treat the soil-borne disease, cannot increase humidity of the air when used in the protected area, and can avoid disease epidemics.
Description
Technical field
The invention belongs to botanical fungicide production field, particularly stifling granule of a Plant Extracts chenopodium ambrosiodies volatile oil and preparation method thereof.
Background technology
At present, often take chemosynthesis bactericide as main in control of plant disease, chemical synthetic pesticide has that preventive effect is good, the feature of instant effect.But the long-term a large amount of chemical synthetic pesticides that use, can cause residue of pesticide to exceed standard, damage by disease and insect develops immunity to drugs, the pest problem such as rampant again, and very dangerous to people and animals and environment.Use for reference traditional Chinese medicine achievement in research, be expected to filter out the natural active matter of anti-plant pathogenic fungi from medicinal plant.These active substances can be directly as natural bactericidal agent, respond well.
Wormseed, in chenopod, is distributed widely in temperate zone, the whole world to torrid areas, is conventionally grown in roadside, Deng Chu wasteland, riverbank and in farmland.Chenopodium ambrosiodies is with all herbal medicine, have dispel the wind, dehumidifying, desinsection, stimulate the menstrual flow, the effect such as pain relieving.Chenopodium ambrosiodies is containing abundant volatile oil, and its volatile oil tool is antibacterial, the effect of desinsection, inhibition cancer cell growth and treatment stomach ulcer, particularly plant pathogenic fungi is had and suppressed significantly and toxic action, and antimicrobial spectrum is wider.But current chenopodium ambrosiodies volatile oil is preparation not yet.
At present, the cultivated area of protection ground vegetables constantly expands, and along with improving constantly of protection ground vegetables cropping index, the generation of soil-borne disease is also serious gradually, becomes the restraining factors that vegetables produce.Traditional method of preventing and treating be take spray-on process as main, and spray method dispenser not only agricultural chemicals availability is low, and increase air humidity, cause the popular of high wet type disease, cause dispenser repeatedly, increased labour intensity.And the disease of utilizing stifling granule control protection ground vegetables can be avoided the generation of these problems.
Summary of the invention
In order to solve, protection ground vegetable disease occurs frequently, soil-borne disease generation is serious, dosage is large, lavish labor on, easily cause the problems such as agricultural chemicals develops immunity to drugs, residual vegetable exceeds standard, and the invention provides the preparation method of the stifling granule of a kind of chenopodium ambrosiodies volatile oil.
For achieving the above object, the technical solution used in the present invention is:
Volatile oil is fumigated a granule, by following percentage by weight component: chenopodium ambrosiodies volatile oil 5%～10%, adhesive 0.5%～1%, adsorbent 4%～10%, carrier 80～90.5%, total amount 100% are made, and preparation process is:
Get adhesive and put in the hot water of 50～90 ℃, under heat-retaining condition, stir 1～2h, wherein the mass percent of adhesive and water is 1:5～10, obtains the adhesive aqueous solution;
The Herba Schizonepetae volatile oil that fetches earth is dissolved in absolute ethyl alcohol, makes high concentration crude oil, and wherein the mass percent of chenopodium ambrosiodies volatile oil and absolute ethyl alcohol is 1:1～5, obtains the ethanolic solution of chenopodium ambrosiodies volatile oil;
The ethanolic solution of chenopodium ambrosiodies volatile oil, carrier are dropped into premixed in agitating device, then drop into successively the adhesive aqueous solution, adsorbent, mix and blend 1～2.5h, coating pelletizing, 40～50 ℃, drying machine is dry, cooling after, cross 20 mesh sieves, obtain.
Described chenopodium ambrosiodies volatile oil preparation method is, the schizonepeta herb that fetches earth, dries in the shade, and is cut into 0.2～0.8cm segment, and extraction by steam distillation 2h collects volatile oil, obtains chenopodium ambrosiodies volatile oil.
Described adhesive is sodium lignin sulfonate, gelatin, gum Arabic, polyvinylpyrrolidone, ethyl cellulose, methylcellulose, glycerine, polyethylene glycol, starch or dextrin.
Described adsorbent is white carbon, potter's clay, diatomite or calcium carbonate.
Described carrier is a kind of in kaolin, precipitated calcium carbonate, bentonite, talcum powder, attapulgite or silicon sand.
Described chenopodium ambrosiodies volatile oil fumigant, by following percentage by weight component: chenopodium ambrosiodies volatile oil 5%, adhesive 0.5%, adsorbent 10%, carrier 84.5% are made.
Described chenopodium ambrosiodies volatile oil fumigant, by following percentage by weight component: chenopodium ambrosiodies volatile oil 10%, adhesive 1%, adsorbent 4%, carrier 85% are made.
Described chenopodium ambrosiodies volatile oil fumigant, by following percentage by weight component: chenopodium ambrosiodies volatile oil 7%, adhesive 0.8%, adsorbent 7%, carrier 85.2% are made.
Compared with prior art, the present invention has advantage and effect are as follows:
1, active ingredient is chenopodium ambrosiodies volatile oil, belongs to biopesticide, in use little to environmental influence.
2, products obtained therefrom of the present invention is easy to use pollution-free, can directly mix soil and spread fertilizer over the fields use, can effectively kill the pathogen in soil, and the soil-borne disease of long-term generation is had to good effect.And this stifling granule is in use non-cohesive on plant stem-leaf, has avoided direct contact and produced poisoning.
3, products obtained therefrom of the present invention in use does not need to add water, compares the humidity that does not increase protection ground with traditional spray-on process, has greatly alleviated the heavy problem of protection ground vegetables morbidity.
4, products obtained therefrom of the present invention adds adsorbent in preparation process, and chenopodium ambrosiodies volatile oil is slowly discharged, and can effectively extend the drug effect phase, has avoided the human and material resources that dispenser causes repeatedly waste.
Embodiment
Embodiment 1
Take in the hot water that ethyl cellulose 5g puts into 50 ℃ of 30g, under heat-retaining condition, stir 1h, obtain the aqueous solution of ethyl cellulose; Get 50g chenopodium ambrosiodies volatile oil and be dissolved in 80g absolute ethyl alcohol, obtain the ethanolic solution of chenopodium ambrosiodies volatile oil; The ethanolic solution of chenopodium ambrosiodies volatile oil, 845g precipitated calcium carbonate are dropped in agitating device and mixed, then drop into successively the aqueous solution, the 100g white carbon mix and blend 2h of ethyl cellulose, coating pelletizing, 50 ℃, drying machine is dry, after cooling, cross 20 mesh sieves, obtain;
Described chenopodium ambrosiodies volatile oil preparation method is, the schizonepeta herb that fetches earth, dries in the shade, and is cut into 0.2cm segment, and extraction by steam distillation 2h collects volatile oil, obtains chenopodium ambrosiodies volatile oil.
Embodiment 2
Take in the hot water that polyethylene glycol 10g puts into 80 ℃ of 50g, under heat-retaining condition, stir 1.5h, obtain the aqueous solution of polyethylene glycol; Get 100g chenopodium ambrosiodies volatile oil and be dissolved in 300g absolute ethyl alcohol, obtain the ethanolic solution of chenopodium ambrosiodies volatile oil; The ethanolic solution of chenopodium ambrosiodies volatile oil, 850g silica sand are dropped in agitating device and are mixed, then drop into successively the aqueous solution, the 40g potter's clay mix and blend 1.5h of polyethylene glycol, coating pelletizing, 50 ℃, drying machine is dry, cooling after, cross 20 mesh sieves, obtain;
Described chenopodium ambrosiodies volatile oil preparation method is, the schizonepeta herb that fetches earth, dries in the shade, and is cut into 0.5cm segment, and extraction by steam distillation 2h collects volatile oil, obtains chenopodium ambrosiodies volatile oil.
Embodiment 3
Take in the hot water that gum Arabic 8g puts into 90 ℃ of 80g, under heat-retaining condition, stir 1.5h, obtain the aqueous solution of gum Arabic; Get 70g chenopodium ambrosiodies volatile oil and be dissolved in 200g absolute ethyl alcohol, obtain the ethanolic solution of chenopodium ambrosiodies volatile oil; The ethanolic solution of chenopodium ambrosiodies volatile oil, 852g talcum powder are dropped into premixed in agitating device, then drop into successively the aqueous solution, the 70g diatomite mix and blend 1h of gum Arabic, coating pelletizing, 40 ℃, drying machine is dry, cooling after, cross 20 mesh sieves, obtain;
Described chenopodium ambrosiodies volatile oil preparation method is, the schizonepeta herb that fetches earth, dries in the shade, and is cut into 0.8cm segment, and extraction by steam distillation 2h collects volatile oil, obtains chenopodium ambrosiodies volatile oil.
In order better to verify practical application effect of the present invention, the field control effectiveness test effect of fumigant of the present invention is described below with example.
The field control effectiveness test of the stifling granule of chenopodium ambrosiodies volatile oil
Reagent agent: stifling granule product, 50% carbendazol wettable powder that the present invention is prepared;
Subjects: eggplant damping off, cucumber fusarium axysporum;
Test grouping: select at random ，Mei community, 20Ge community area 30m in field
2，Mei community is independent protection ground, and Jiang Gai20Ge community is divided into 4 groups at random, and every group of 5 repetitions are used respectively bactericide 600g/hm prepared by the present invention for every group
2, with A, represent 800g/hm
2, with B, represent 50% carbendazol wettable powder 250g/hm
2, with C, represent and blank (spray clear water), with D, represent, in the rear per hectare of crop transplanting, mix native 5kg and spread fertilizer over the fields.
Investigation method: eggplant damping off 10d, 15d, 20d after dispenser investigate, cucumber fusarium axysporum 15d, 30d, 45d after dispenser investigate.Investigation 30 strains in every community, minute Pyatyi record morbidity severity, and calculate each community disease index.Control efficiency is calculated according to following formula: control efficiency (%)=(check plot Bing Zhi ?treatment region disease refer to)/check plot disease refers to * and 100.
The preventive effect of the stifling granule of table 1 chenopodium ambrosiodies volatile oil to eggplant damping off and cucumber fusarium axysporum
From upper table, 2 processing of bactericide of the present invention, A and B all have good preventive effect to eggplant damping off and cucumber fusarium axysporum, and preventive effect is all higher than conventional chemical bactericide C; 2 processing of bactericide of the present invention all extend in time and increase the preventive effect of eggplant damping off and cucumber fusarium axysporum; And conventional chemical bactericide is processed C, to the preventive effect of eggplant damping off, prolongation in time reduces, preventive effect to cucumber fusarium axysporum reaches the highest at 30d, reduce subsequently, can learn thus, bactericide of the present invention slowly discharges, can effectively extend the drug effect phase, avoid using the repeatedly dispenser of chemical pesticide.
Claims (9)
1. chenopodium ambrosiodies volatile oil is fumigated granule and preparation method thereof, it is characterized in that, by following percentage by weight component: chenopodium ambrosiodies volatile oil 5%～10%, adhesive 0.5%～1%, adsorbent 4%～10%, carrier 80%～90.5%, total amount 100% is made, and preparation process is:
Get adhesive and put in the hot water of 50～90 ℃, under heat-retaining condition, stir 1～2h, wherein the weight ratio of adhesive and water is 1:5～10, obtains the adhesive aqueous solution;
The Herba Schizonepetae volatile oil that fetches earth is dissolved in absolute ethyl alcohol, and wherein the weight ratio of chenopodium ambrosiodies volatile oil and absolute ethyl alcohol is 1:1～5, obtains the ethanolic solution of chenopodium ambrosiodies volatile oil;
The ethanolic solution of chenopodium ambrosiodies volatile oil, carrier are dropped in agitating device and are mixed, then drop into successively the adhesive aqueous solution, adsorbent, mix and blend 1～2.5h, coating pelletizing, 40～50 ℃, drying machine is dry, cooling after, cross 20 mesh sieves, obtain.
2. stifling granule of chenopodium ambrosiodies volatile oil according to claim 1 and preparation method thereof, is characterized in that, described chenopodium ambrosiodies volatile oil preparation method is, the schizonepeta herb that fetches earth, dries in the shade, and is cut into 0.2～0.8cm segment, extraction by steam distillation 2h, collects volatile oil, obtains chenopodium ambrosiodies volatile oil.
3. chenopodium ambrosiodies volatile oil according to claim 1 is fumigated granule and preparation method thereof, it is characterized in that, described adhesive is sodium lignin sulfonate, gelatin, gum Arabic, polyvinylpyrrolidone, ethyl cellulose, methylcellulose, glycerine, polyethylene glycol, starch or dextrin.
4. stifling granule of chenopodium ambrosiodies volatile oil according to claim 1 and preparation method thereof, is characterized in that, described adsorbent is white carbon, potter's clay, diatomite or calcium carbonate.
5. stifling granule of chenopodium ambrosiodies volatile oil according to claim 1 and preparation method thereof, is characterized in that, described carrier is that kaolin, precipitated calcium carbonate, bentonite, talcum powder, attapulgite or silicon are husky.
6. stifling granule of chenopodium ambrosiodies volatile oil according to claim 1 and preparation method thereof, is characterized in that, by following percentage by weight component: chenopodium ambrosiodies volatile oil 5%, adhesive 0.5%, adsorbent 10%, carrier 84.5% are made.
7. stifling granule of chenopodium ambrosiodies volatile oil according to claim 1 and preparation method thereof, is characterized in that, by following percentage by weight component: chenopodium ambrosiodies volatile oil 10%, adhesive 1%, adsorbent 4%, carrier 85% are made.
8. stifling granule of chenopodium ambrosiodies volatile oil according to claim 1 and preparation method thereof, is characterized in that, by following percentage by weight component: chenopodium ambrosiodies volatile oil 7%, adhesive 0.8%, adsorbent 7%, carrier 85.2% are made.
9. the application of the stifling granule of the chenopodium ambrosiodies volatile oil described in claim 1～8 any one in preparation control eggplant damping off, cucumber fusarium axysporum disease agricultural chemicals.
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| CN201310445145.8A CN103503925B (en) | 2013-09-26 | 2013-09-26 | Chenopodium ambrosiodies volatile oil fumigates granule and preparation method |
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| CN201310445145.8A CN103503925B (en) | 2013-09-26 | 2013-09-26 | Chenopodium ambrosiodies volatile oil fumigates granule and preparation method |
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| CN103503925A true CN103503925A (en) | 2014-01-15 |
| CN103503925B CN103503925B (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105660714A (en) * | 2014-11-20 | 2016-06-15 | 中国农业大学 | Pear psylla control medicament and application thereof in control of pear psylla |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990006A (en) * | 2005-12-31 | 2007-07-04 | 天津天士力制药股份有限公司 | Chenopodium ambrosioides extract, preparation thereof, preparation method and use thereof |
| CN101569317A (en) * | 2009-06-11 | 2009-11-04 | 福建省农业科学院植物保护研究所 | Chlorpyrifos microemulsion containing chenopodium ambrosioides oil and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990006A (en) * | 2005-12-31 | 2007-07-04 | 天津天士力制药股份有限公司 | Chenopodium ambrosioides extract, preparation thereof, preparation method and use thereof |
| CN101569317A (en) * | 2009-06-11 | 2009-11-04 | 福建省农业科学院植物保护研究所 | Chlorpyrifos microemulsion containing chenopodium ambrosioides oil and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈利军等: ""新鲜土荆芥挥发油的抑菌活性及成分分析"", 《江苏农业科学》, no. 5, 31 December 2010 (2010-12-31), pages 452 - 454 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105660714A (en) * | 2014-11-20 | 2016-06-15 | 中国农业大学 | Pear psylla control medicament and application thereof in control of pear psylla |
| CN105660714B (en) * | 2014-11-20 | 2019-01-25 | 中国农业大学 | The medicament for preventing and treating pear sucker and its application in prevention and treatment pear sucker |
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| CN103503925B (en) | 2016-08-17 |
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