CN105394097B - A kind of wettable powder and preparation method thereof of prevention sweet potato droop - Google Patents
A kind of wettable powder and preparation method thereof of prevention sweet potato droop Download PDFInfo
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- CN105394097B CN105394097B CN201510796102.3A CN201510796102A CN105394097B CN 105394097 B CN105394097 B CN 105394097B CN 201510796102 A CN201510796102 A CN 201510796102A CN 105394097 B CN105394097 B CN 105394097B
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- wettable powder
- active ingredient
- ethanol extract
- jamaicin
- droop
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/38—Solanaceae [Potato family], e.g. nightshade, tomato, tobacco or chilli pepper
-
- 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 a kind of wettable powders and preparation method thereof of prevention sweet potato droop.The wettable powder by weight percentage, by following proportioning at being grouped as：Active ingredient 5 15%, carrier 40 75%, wetting agent 5 15%, dispersant 5 15%, suspending agent 1 7%, wherein active ingredient are Chinese violet, tobacco, the Chinese bulbul, frutus cnidii and the super-pressure ethanol extract of Herba Andrographitis and the mixture of jamaicin.Preparation method includes：(1) use super-pressure method extraction Chinese violet, tobacco, the Chinese bulbul, frutus cnidii and Herba Andrographitis ethanol extract；(2) ethanol extract and jamaicin are mixed to get active ingredient in proportion；(3) active ingredient is mixed in proportion, air-flow crushing with carrier, wetting agent, dispersant, suspending agent, collects the pulvis after air-flow crushing, cross 325 mesh sieve to get wettable powder.The wettable powder of the present invention is mixed fine earth and is spread fertilizer over the fields in seedbed or field planting ditch energy strong inhibition sweet potato droop, nontoxic, non agricultural chemical residuum, environmental-friendly.
Description
Technical field
The present invention relates to a kind of wettable powders and preparation method thereof of prevention sweet potato droop, belong to agricultural and are led with chemical industry
Domain.
Background technology
Sweet potato droop alias：Wilt disease, dead arm, blight dis-ease, stem rot etc..Pinch outs sweet potato specialized form
(Fusarium oxysporum f.sp.batatas (Wollenweber) Snyder＆Hansen) sweet potato Fusariumsp
(Fusarium bulbigeum Cke.etMass.Var.batatas Wollenw.), kind not winter.
Endanger position：Infect vines, potato wedge.Seedling stage falls ill, and stem radical leaves first turn to be yellow rotten.Vines are aggrieved, stem foot
Portion is expanded, longitudinal break, and exposure marrow, section view vascular bundle is in dark brown, and position of splitting is in threadiness.Bing Shu the base of a fruits often occur
It rots.Crosscutting disease potato top, the brown spot of vascular bundle.Diseased plant blade turns to be yellow from bottom to top to fall off, last complete climing withered.At present
China mainly by breeding resistant variety, improvement cultivation technique and uses the measures such as Agro-chemicals control for stem rot of sweet potato
It is prevented.In terms of chemical control, the chemical agents such as carbendazim, thiophanate-methyl are relied primarily on to be prevented, chemical agriculture
Medicine is widely used, and huge effect has been played in terms of ensureing higher yield of crops and stable yields.But traditional chemical pesticide is long-term
" 3R " problem caused by a large amount of unreasonable uses, i.e. residual, resistance, wildness is on the rise again, causes the common concern of society.
The demand sought and developed to the novel agrochemical of human health and ecological environment security is more and more urgent.Compared with chemical pesticide,
Biological pesticide is typically considered to the obvious advantages such as have nuisanceless, pollution-free, noresidue, be not easy to produce resistance.
Based on the above prior art, subsidized by " Beijing City Education Commission's city-belonged university innovation ability promotes planning item "
Complete the present invention.
Invention content
The purpose of the present invention is to provide a kind of wettable powders of prevention sweet potato droop, and the wettable powder is to sweet potato
The control effect of droop is good, easy to use, environmentally friendly.
Another object of the present invention is to provide it is a kind of it is described prevention sweet potato droop wettable powder preparation method,
This method is simple, at low cost, suitable for industrialized production.
To achieve the above object, the present invention takes following technical scheme：
A kind of wettable powder of prevention sweet potato droop, by weight percentage, by following proportioning at being grouped as：Have
Ingredient 5-15%, carrier 40-75%, wetting agent 5-15%, dispersant 5-15%, suspending agent 1-7% are imitated, wherein active ingredient is
Chinese violet, tobacco, the Chinese bulbul, frutus cnidii and the super-pressure ethanol extract of Herba Andrographitis and the mixture of jamaicin.
Wherein, the mass ratio of the active ingredient Berberine and super-pressure ethanol extract is：60-80:20-40.Institute
The purity for stating jamaicin is more than 95%.
The carrier be atlapulgite or kaolin, the dispersant be calcium lignosulfonate or sodium tripolyphosphate, it is described
Wetting agent is neopelex or pull open powder, and the suspending agent is D06 or reaches profit ProDis Q303.
A kind of preparation method of the wettable powder, this approach includes the following steps：
(1) Chinese violet, tobacco, the Chinese bulbul, frutus cnidii and Herba Andrographitis are crushed respectively, are mixed in proportion, with ethyl alcohol into
Row ultra high pressure extraction, extraction pressure are 300-500MPa, and extracting solution obtains super-pressure ethanol extract through alcohol precipitation, spray drying；
(2) super-pressure ethanol extract is mixed in proportion with jamaicin, obtains active ingredient；
(4) active ingredient is mixed in proportion, air-flow crushing with carrier, wetting agent, dispersant, suspending agent, collects air-flow
Pulvis after crushing is crossed 325 mesh sieve, is operated repeatedly, until all crossing 325 mesh sieve to get wettable powder.
In the step (1), the mass percent concentration of the ethyl alcohol is 70%, by 10mL:Medicine is added in the ratio of 1g
Material, ultra high pressure extraction 2-4min.
The Chinese violet, tobacco, the Chinese bulbul, frutus cnidii, Herba Andrographitis mass percent be 12-16:6-2:3-1:2-
1:2-1。
The advantage of the invention is that：
The wettable powder of the present invention be with jamaicin and Chinese violet, tobacco, the Chinese bulbul, frutus cnidii, Herba Andrographitis it is super
High pressure extraction object is the compound wettable powder of active ingredient, which mixes fine earth and spread fertilizer over the fields in seedbed or be colonized ditch energy strongly
Inhibit sweet potato droop, it is nontoxic, non agricultural chemical residuum, environmental-friendly, while have the advantages that stablize, efficiently, low cost.
The present invention has prodigious market potential, can reduce farmer's burdens.
Specific implementation mode
Below by embodiment, the present invention will be further described, but is not meant to the limit to the scope of the present invention
System.
Jamaicin is also known as berberine, is morphinane alkaloid, is present in many plants of the section ten of Berberidaceae etc. four category
In.
Chinese violet is the herb of violaceae plant Chinese violet, has the effect of clearing heat and detoxicating, cool blood detumescence.
Nicotiana tubular flower mesh, Solanaceae is annual or limited herbaceos perennial, base portion slightly lignifying, containing nicotine, egg
White matter etc. has the effects that antimycotic, viral, trichomonad.
The Chinese bulbul (Pulsatilla chinensis (Bunge) Regel), Ranunculaceae is clearing heat and detoxicating, removes heat from the blood and relieve diarrhea, and uses
Under toxic-heat and blood stasis, pruritus vulvae band, amebic dysentery.
Frutus cnidii is the dry mature fruit of samphire frutus cnidii Cnidium monnieri (L.) Cuss., is contained
Coumarin kind compound such as frutus cnidii plain (osthol), bergapten (bergapten), isopimpinellin
(isopimpinellin), columbianadin (columbianadin) etc. has insecticidal action.
The dry aerial parts of Herba Andrographitis (Andrographis paniculata (Burm.f.) Nees) acanthaceous plant,
There are clearing heat and detoxicating, anti-inflammatory, swelling and pain relieving effect, containing deoxyandrographolide, andrographolide, neoandrographolide.
In the present invention, the above medicinal material Chinese violet, tobacco, the Chinese bulbul, frutus cnidii and Herba Andrographitis are made a living use.The present invention
Wettable powder with the ultra high pressure extraction object and jamaicin of Chinese violet, tobacco, the Chinese bulbul, frutus cnidii and Herba Andrographitis be have
Imitate ingredient.
Measure the suspension and wetability of wettable powder in accordance with the following methods in the examples below.
1, suspension measures
Weigh appropriate sample M11.000g is placed in the 200mL beakers for filling 50mL standard hard waters (30 ± 1) DEG C, uses hand
It sways and circles, it is 120 times about per minute, 2min is carried out, which is placed into 13min in the water-bath of same temperature,
Then its whole is washed in 250mL graduated cylinders with the standard hard water of (30 ± 1) DEG C, and is diluted to scale, plug is covered, with graduated cylinder
Bottom is axle center, and graduated cylinder is turned upside down 30 times (are inverted graduated cylinder and restore to original position to be primary, about 2s) in 1min.It opens
Plug, then be vertically put into vibrationless water bath with thermostatic control, place 30min.With suction pipe by the 9/10 of content in 10~15s
(i.e. 225mL) suspension removes, and not shake or stir the sediment in graduated cylinder, it is ensured that the top of suction pipe is always several under liquid level
At millimeter.The remaining 1/l0 in graduated cylinder bottom also removes and measures its dry weight, is denoted as M2。
Calculate the suspensibility of sample：X1[%]：X1=10/9 × [(M1- M2)/M1] × 100=111.1 × [(M1- M2)/
M1].In formula,
M1- formulated suspension is materialsed middle active ingredient quality, g；
M2- stay in active ingredient quality in the 25mL suspension of graduated cylinder bottom, g.
2, wettability determination：
Standard hard water (100 ± 1) mL is added into 250mL beakers, this beaker is placed in the water bath with thermostatic control of (25 ± 1) DEG C
In, keep its liquid level concordant with the horizontal plane of water-bath.(5 ± 0.1) g wettable powder samples are weighed when hard water to (25 ± 1) DEG C,
Whole samples are once equably poured on the liquid level of the beaker from beaker mouth flush position, but not disturb liquid excessively
Face.Manual time-keeping is used when sample-adding product immediately, until sample all wetting, MEBO ribbon gauze is write down and (is accurate to the second, stays in liquid level
On fine powder film it is negligible).So in triplicate, its average value is taken, the wetting time as the sample.
Embodiment 1
1. weighing Chinese violet 300g, tobacco 130g, Chinese bulbul 50g, frutus cnidii 25g, Herba Andrographitis 45g, crush, by 70%
Ethyl alcohol 7000mL is added in medicinal material, ultra high pressure extraction, and extraction pressure is 400MPa, extraction time 3min, and filtering repeats to extract
3 times, removal solid residue obtains extracting solution.
2. merging extracting solution, it is concentrated under reduced pressure, alcohol precipitation, spray drying obtains medicinal substances extract I.
3. weighing jamaicin 80g to mix with medicinal substances extract I 20g, active ingredient II is obtained；
4. active ingredient II 100g are mixed with kaolin 600g, sodium tripolyphosphate 60g, pull open powder 100g, D06 30g,
Air-flow crushing collects the pulvis after air-flow crushing, crosses 325 mesh sieve, operates sieved up to wettable until all crossing 325 mesh repeatedly
Property pulvis.
5. the suspensibility for measuring the wettable powder is 78.2%, wettability 81s.
Embodiment 2
1. weighing Chinese violet 350g, tobacco 120g, Chinese bulbul 25g, frutus cnidii 30g, Herba Andrographitis 25g, crush, by 70%
Ethyl alcohol 7000mL is added in medicinal material, ultra high pressure extraction, and extraction pressure is 300MPa, extraction time 2min, and filtering repeats to extract
3 times, removal solid residue obtains extracting solution.
2. merging extracting solution, it is concentrated under reduced pressure, alcohol precipitation, spray drying obtains medicinal substances extract I.
3. weighing jamaicin 70g to mix with medicinal substances extract I 30g, active ingredient II is obtained；
4. by active ingredient II 100g and kaolin 660g, calcium lignosulfonate 70g, neopelex 90g,
Up to profit ProDis Q303 28g mixing, air-flow crushing collects the pulvis after air-flow crushing, crosses 325 mesh sieve, operates repeatedly
It is sieved up to wettable powder until all crossing 325 mesh.
5. the suspensibility for measuring the wettable powder is 76.7%, wettability 73s.
Embodiment 3
1. weighing Chinese violet 400g, tobacco 60g, Chinese bulbul 20g, frutus cnidii 45g, Herba Andrographitis 25g, crush, by 70%
Ethyl alcohol 7000mL is added in medicinal material, ultra high pressure extraction, and extraction pressure is 500MPa, extraction time 2min, and filtering repeats to extract
3 times, removal solid residue obtains extracting solution.
2. merging extracting solution, it is concentrated under reduced pressure, alcohol precipitation, spray drying obtains medicinal substances extract I.
3. weighing jamaicin 60g to mix with medicinal substances extract I 40g, active ingredient II is obtained；
4. by active ingredient II 100g and atlapulgite 630g, calcium lignosulfonate 68g, neopelex
88g, it is mixed up to profit ProDis Q303 25g, air-flow crushing collects the pulvis after air-flow crushing, crosses 325 mesh sieve, repeatedly
Operation is sieved until all crossing 325 mesh up to wettable powder.
5. the suspensibility for measuring the wettable powder is 72.9%, wettability 104s.
Embodiment 4
1. weighing Chinese violet 380g, tobacco 50g, Chinese bulbul 60g, frutus cnidii 35g, Herba Andrographitis 25g, crush, by 70%
Ethyl alcohol 7000mL is added in medicinal material, ultra high pressure extraction, and extraction pressure is 350MPa, extraction time 4min, and filtering repeats to extract
3 times, removal solid residue obtains extracting solution.
2. merging extracting solution, it is concentrated under reduced pressure, alcohol precipitation, spray drying obtains medicinal substances extract I.
3. weighing jamaicin 60g to mix with medicinal substances extract I 40g, active ingredient II is obtained；
4. by active ingredient II 100g and atlapulgite 630g, calcium lignosulfonate 68g, neopelex
88g, D06 25g are mixed, air-flow crushing, collect the pulvis after air-flow crushing, are crossed 325 mesh sieve, are operated repeatedly until whole
325 mesh are crossed to sieve up to wettable powder.
5. the suspensibility for measuring the wettable powder is 78.2%, wettability 99s.
Embodiment 5
Efficiency test
The red kind of rock tooth is selected, tests and sets two control group (tap water), positive controls, test group dosage, at every group
Manage 200 sweet potatoes.1500 times of liquid of phenylpropyl alcohol spirit wettable powder that positive control is 50%, experimental group select embodiment 1 to prepare
1500 times of liquid of sweet potato droop jamaicin compound wettable powder, 800 times of liquid processing rice shoots are prevented, control group is tap water.
Processing method
Before seedling cuttage 5min is impregnated with above-mentioned pesticide.After plantation 2 months, checks all experiment plant, record seedling respectively
Seedling is withered situation, is calculated preventive effect, is shown in Table 1.The result shows that prevention sweet potato droop jamaicin compound wettable prepared by the present invention
Pulvis is apparent to sweet potato droop inhibition.
1 efficiency test result of table
| Reagent agent | Control effect (%) |
| It compares (tap water) | -- |
| 50% 1500 times of liquid of phenylpropyl alcohol spirit wettable powder | 68.2 |
| 1 1500 times of liquid of embodiment | 65.1 |
| 1 800 times of liquid of embodiment | 70.6 |
Embodiment 6
Efficiency test
The red kind of rock tooth is selected, tests and sets two control group (tap water), positive controls, test group dosage, at every group
Manage 200 sweet potatoes.1500 times of liquid of phenylpropyl alcohol spirit wettable powder that positive control is 50%, experimental group select embodiment 3 to prepare
1500 times of liquid of sweet potato droop jamaicin compound wettable powder, 800 times of liquid processing rice shoots are prevented, control group is tap water.
Processing method
Potato seed with above-mentioned pesticide impregnate 5min, while support seedling stage between seedbed use state pesticide spraying watering, before seedling cuttage
5min is impregnated with above-mentioned pesticide.
After plantation 2 months, all experiment plant are checked, record the withered situation of rice shoot respectively, calculate preventive effect, be shown in Table 1.As a result
Show that prevention sweet potato droop jamaicin compound wettable powder prepared by the present invention is apparent to sweet potato droop inhibition.
1 efficiency test result of table
| Reagent agent | Control effect (%) |
| It compares (tap water) | -- |
| 50% 1500 times of liquid of phenylpropyl alcohol spirit wettable powder | 72.1 |
| 1 1500 times of liquid of embodiment | 67.5 |
| 1 800 times of liquid of embodiment | 76.7 |
Claims (5)
1. it is a kind of prevention sweet potato droop wettable powder, which is characterized in that by weight percentage, by following proportioning at
It is grouped as：Active ingredient 5-15%, carrier 40-75%, wetting agent 5-15%, dispersant 5-15%, suspending agent 1-7%, respectively at
It is 100% to divide the sum of content percentage；Wherein active ingredient is the super of Chinese violet, tobacco, the Chinese bulbul, frutus cnidii and Herba Andrographitis
The mixture of high-pressure ethanol extract and jamaicin；The mass ratio of the active ingredient Berberine and super-pressure ethanol extract
For：60-80:20-40；The Chinese violet, tobacco, the Chinese bulbul, frutus cnidii, Herba Andrographitis mass ratio be 12-16:6-2:3-1:
2-1:2-1。
2. wettable powder according to claim 1, which is characterized in that the purity of the jamaicin is more than 95%.
3. wettable powder according to claim 1, which is characterized in that the carrier is atlapulgite or kaolin, institute
State dispersant be calcium lignosulfonate or sodium tripolyphosphate, the wetting agent be neopelex or pull open powder, it is described
Suspending agent is D06 or reaches profit ProDis Q303.
4. a kind of preparation method of any one of claim 1-3 wettable powders, which is characterized in that this method include with
Lower step：
(1) Chinese violet, tobacco, the Chinese bulbul, frutus cnidii and Herba Andrographitis are crushed respectively, is mixed in proportion, surpassed with ethyl alcohol
High pressure extraction, extraction pressure are 300-500MPa, and extracting solution obtains super-pressure ethanol extract through alcohol precipitation, spray drying；
(2) super-pressure ethanol extract is mixed in proportion with jamaicin, obtains active ingredient；
(4) active ingredient is mixed in proportion, air-flow crushing with carrier, wetting agent, dispersant, suspending agent, collects air-flow crushing
Pulvis afterwards is crossed 325 mesh sieve, is operated repeatedly, until all crossing 325 mesh sieve to get wettable powder.
5. the preparation method of wettable powder according to claim 4, which is characterized in that in the step (1), the second
The mass percent concentration of alcohol is 70%, by 10mL:Medicinal material, ultra high pressure extraction 2-4min is added in the ratio of 1g.
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| CN101940229A (en) * | 2010-08-05 | 2011-01-12 | 宁夏农林科学院 | Berberine plant source insecticide and preparation method thereof |
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2015
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| CN1628524A (en) * | 2004-10-26 | 2005-06-22 | 王宗华 | Preparation method of berberine bactericidal water |
| CN101940229A (en) * | 2010-08-05 | 2011-01-12 | 宁夏农林科学院 | Berberine plant source insecticide and preparation method thereof |
| CN102119703A (en) * | 2011-03-24 | 2011-07-13 | 浙江华京生物科技开发有限公司 | Plant-based antibacterial and production method thereof |
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