CN1415216A - New composite highly active broad-spectrum pesticide for plant and its prepn. method - Google Patents
New composite highly active broad-spectrum pesticide for plant and its prepn. method Download PDFInfo
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- CN1415216A CN1415216A CN 02150746 CN02150746A CN1415216A CN 1415216 A CN1415216 A CN 1415216A CN 02150746 CN02150746 CN 02150746 CN 02150746 A CN02150746 A CN 02150746A CN 1415216 A CN1415216 A CN 1415216A
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Abstract
A broad-spectrum efficient agricultural chemical is prepared from 10 plants including coptis root, anemarrhena rhizome, portulace, etc through low-temp boiling, extracting, filtering, mixing with diluted red camphor oil and emulsifier, and concentrating. Its advantages are high effect, and no pollution.
Description
Technical field the present invention relates to a kind of novel composite plant high-efficiency broad spectrum agricultural chemicals and preparation method thereof, is to utilize Chinese herbal medicine to prevent and treat the environment friendly agricultural of plant insect as raw material, belongs to pesticide field.
The present widely used agricultural chemicals of background technology is based on chemical pesticide, though these agricultural chemicals have insecticidal effect preferably, and side effects such as ubiquity poisoning, resistance and pollution.The application of nearly half a century has caused severe contamination to ecotopes such as water source, air, soil, and the harmful substance that residues in the agricultural byproducts exceeds standard, and people and animals' health is had very big infringement; Simultaneously, the pesticide resistance of harmful bacterium, worm increases day by day, has increased spraying times and consumption, and cost improves constantly.Though, plant pesticide with the various plants compositing formula is also arranged, as: application number is 97121016, name is called " a kind of plant pesticide composition ", its effective ingredient is mainly purifying substances such as the root of langdu, the tuber of stemona, kuh-seng, walnut pericarp, have high-efficiency broad spectrum, insect killing and preventing, mildewproof sterilized, also can be used for the external application of skin mycoderma class disease in the effect of one; Application number is 95107415, and name is called " multi-purpose, no-polution composite agricultural chemicals for plants and manufacture method thereof ", and its effective ingredient is mainly 16 kinds of Chinese herbal medicines such as crotons, crow egg seed, Chinese honey locust, Chinese prickly ash, trifoliate jewelvine, Datura, Rhododendron molle, the tuber of stemona and forms.This agricultural chemicals has that consumption is few, the kill pests kind is many, to advantages such as person poultry harmless, development to public nuisance-free agricultural chemicals has positive meaning, but, cause production and use still being restricted owing to produce various reasons such as having raw material source difficulty or production technology more complicated in batches.
Summary of the invention the object of the present invention is to provide the novel plant pesticide of a kind of efficient, wide spectrum, low toxicity, noresidue; plant bacterium, insect pest all there are stronger stifling, stomach toxicity and action of contace poison; as all kinds of aphids and blue or green worm, armyworm, two spotted spider mite, rice blast, fruit tree kind disease are all had the better prevention effect; and raw material wide material sources, buying or cultivation are conveniently, price is cheap, manufacturing process is simple, can play positive role to the protection environment and the ecological balance.
Technical solution of the present invention is: based on multiple alkaloid and other effective ingredient that a part of Chinese herbal medicine contained insect is had stronger lethality, characteristics according to grain class, greengrocery, fruit tree kind and ornamental plant and agricultural and sideline crop pest such as tobacco, tealeaves, filter out the obvious results kind, through preferably joining mutual prescription, make it bring into play symphyogenetic principle, these Chinese herbal medicines are made aqua, can prevent and treat the insect of various crops.
Agricultural chemicals of the present invention is formed (percentage by weight) by following raw materials according:
Coptis 1.0-3.0% wind-weed 1.0-3.0% kitchen garden 1.0-3.0% Radix Carpesii 1.0-3.0%
Short-tube lycoris 1.0-3.0% peppermint 1.0-3.0% yam bean 1.0-3.0% mattress taro 0.05-1.0%
The neutral liquid soap 1.0-5.0% of red camphor oil 0.5-1.5%
The optimum formula of agricultural chemicals of the present invention is (percentage by weight):
The coptis 1.5% wind-weed 1.8% kitchen garden 1.8% Radix Carpesii 1.8%
Short-tube lycoris 1.5% peppermint 1.2% yam bean 2% mattress taro 0.08%
Red camphor oil 0.8% neutral liquid soap 3%
Embodiment with above-mentioned raw material except that red camphor oil and neutral liquid soap, put into container after pulverizing, the pulverized particles diameter is less than 3 millimeters, inject 1000 times of left and right sides clear water of above-mentioned percentage by weight summation, Steam Heating after the seal of vessel, vacuumize the air pressure that reduces in the container with vavuum pump, make it 0.88 * 10
5Pa to 0.9 * 10
5Between the Pa, thermo detector shows that the temperature in the container has reached fluidized state at 68 ℃ ± 2 ℃ solution of photoscope demonstration simultaneously, keep air pressure at this moment and temperature to boil again and boil 0.5 hour, should control the variation of temperature and air pressure in the process of boiling of boiling, temperature exceeds above-mentioned scope should adjust air pressure by vavuum pump, makes it to keep to boil in the said temperature scope to boil; The stoste that residue takes out in centrifuge is separated out stoste and container is filtered with 200 order filters in the lump; Red camphor oil with 1% through behind the ethanol dilution of 3 times of weight and 3% neutral liquid soap add stoste after having filtered and send into asymmetric mixer and fully mix, concentrate by thickener then, sampling detects Baume degrees and gets final product between 5.8-6.8 at 15-20%, pH value.
The present invention mainly adopts low temperature to boil to boil with extra granular and purifies, whole disposable extracting process of raw material except that red camphor oil and neutral liquid soap, avoided the infusion under 99.5 ℃ of high temperature of raw-material effective ingredient, drug effect is damaged or loses, and has simplified technology simultaneously, has reduced production cost.
Plant pesticide aqua provided by the invention shows in regional result of experiment such as Shanghai Golconda and Pudongs:
Efficient on average 98.5% to the control of oranges and tangerines, Chinese cabbage, paddy rice, the medication number of times reduces 1/3-2/5; Every mu of stoste consumption 20G-40G compares with similar agricultural chemicals, and price only is 1/2-1/17.
Embodiment 1: dispose raw material by following optimum weight percentage:
The coptis 1.5% wind-weed 1.8% kitchen garden 1.8% Radix Carpesii 1.8% short-tube lycoris 1.5% peppermint 1.2%
Yam bean 2% mattress taro 0.08% red camphor oil 0.8% neutral liquid soap 3%
With above-mentioned raw material except that red camphor oil and neutral liquid soap, put into container after pulverizing, the pulverized particles diameter is less than 3 millimeters, inject 1000 times of left and right sides clear water of above-mentioned percentage by weight summation, Steam Heating after the seal of vessel, vacuumize the air pressure that reduces in the container with vavuum pump, make it 0.88 * 10
5Pa to 0.9 * 10
5Between the Pa, thermo detector shows that the temperature in the container has reached fluidized state at 68 ℃ ± 2 ℃ solution of photoscope demonstration simultaneously, keep air pressure at this moment and temperature to boil again and boil 0.5 hour, should control the variation of temperature and air pressure in the process of boiling of boiling, temperature exceeds above-mentioned scope should adjust air pressure by vavuum pump, makes it to keep to boil in the said temperature scope to boil; The stoste that residue takes out in centrifuge is separated out stoste and container is filtered with 200 order filters in the lump; Red camphor oil with 1% through behind the ethanol dilution of 3 times of weight and 3% neutral liquid soap add stoste after having filtered and send into asymmetric mixer and fully mix, concentrate by thickener then, sampling detects Baume degrees can the can warehouse-in between 5.8-6.8 at 15-20%, pH value.
Agricultural chemicals of the present invention contains the effective desinsection composition of specific alkaloid and volatile oil and other, and bacterium, worm are had the strong osmotic effect, by stomach toxicity, tag, fumigate, anaesthetize to suffocate and make bacterium, worm death; The systemic action that simultaneously the present invention had can also make effective ingredient enter in the plant corpus and keeps a period of time, has not only prolonged the longevity of residure but also reduced the medication number of times.
Embodiment 2: agricultural chemicals of the present invention carries out the comparative efficacy test in Golconda oranges and tangerines planting base, Shanghai to citrus bacterial canker disease, shot hole, maculopathy and anthracnose etc., employing machine nebulizer operation: control group was with 1: 1: 200 bordeaux mixture, spray altogether 12 times, agricultural chemicals of the present invention is with the only medication 8 times of 1: 300 times of liquid, and the medication number of times reduces 1/3; Average control rate control group is 90.8%, and agricultural chemicals of the present invention is 97.9%, improved 7.1%, and the price of agricultural chemicals of the present invention only is 1/3 of a bordeaux mixture, has embodied agricultural chemicals better prevention effect of the present invention and price advantage.
Embodiment 3: 400 times of liquid of agricultural chemicals of the present invention and control group 40% Isoprothiolane missible oil carry out the comparative efficacy test in area, Chongming, Shanghai to the paddy rice tassel blast, employing manual sprayer operation: when the spike of rice cut, spray simultaneously once, control group sprays again for the second time when neat fringe, tassel blast is efficient reaches 98% in agricultural chemicals of the present invention control after the medication, and control group efficient only be 82.5%, show by comparative trial: medication number of times of the present invention reduces 50%, effectively control rate improves 15.5%, has demonstrated fully the remarkable result of agricultural chemicals of the present invention.
Embodiment 4: the cabbage caterpillar to Chinese cabbage carries out the comparative efficacy test in Golconda area, Shanghai for 500 times of liquid of agricultural chemicals of the present invention and 3000 times of liquid desinsection elements, the operation of employing manual sprayer: medication is after 8 hours, cabbage caterpillar lethality with agricultural chemicals of the present invention is 95%, and control group is 94.2%, and both are suitable; After 24 hours, be 99.5% with the cabbage caterpillar lethality of agricultural chemicals of the present invention, control group still is 94.2%; Control group has cabbage caterpillar again after 12 days, need to continue medication, and use the Chinese cabbage of agricultural chemicals of the present invention cabbage caterpillar just to occur after 20 days, and medication number of times of the present invention is compared with the desinsection element and reduced 2/5.Though the extension rate of desinsection element is 6 times of agricultural chemicals extension rate of the present invention, the price of agricultural chemicals of the present invention only is 1/10 of a desinsection element.Therefore the present invention has advantages such as drug effect is steady, the longevity of residure long, cheap.
Claims (3)
1, a kind of novel composite plant high-efficiency broad spectrum agricultural chemicals and preparation method thereof is characterized in that forming (percentage by weight) by following formula for raw stock:
Coptis 1.0-3.0% wind-weed 1.0-3.0% kitchen garden 1.0-3.0% Radix Carpesii 1.0-3.0%
Short-tube lycoris 1.0-3.0% peppermint 1.0-3.0% yam bean 1.0-3.0% mattress taro 0.05-1.0%
The neutral liquid soap 1.0-5.0% of red camphor oil 0.5-1.5%
The optimum formula of agricultural chemicals of the present invention is (percentage by weight):
The coptis 1.5% wind-weed 1.8% kitchen garden 1.8% Radix Carpesii 1.8%
Short-tube lycoris 1.5% peppermint 1.2% yam bean 2% mattress taro 0.08%
Red camphor oil 0.8% neutral liquid soap 3%
2, a kind of a kind of novel composite plant high-efficiency broad spectrum agricultural chemicals of narrating as claim 1 and preparation method thereof, adopt the low temperature boiling process in it is characterized in that refining, be that the raw material after pulverizing are vacuumized the air pressure that reduces in the container by vavuum pump during infusion in container, make it 0.88 * 10
5Pa to 0.9 * 10
5Between the Pa, thermo detector shows that the temperature in the container has reached fluidized state at 68 ℃ ± 2 ℃ solution of photoscope demonstration simultaneously, keep air pressure at this moment and temperature to boil again and boil 0.5 hour, should control the variation of temperature and air pressure in the process of boiling of boiling, should adjust air pressure by vavuum pump when temperature exceeds above-mentioned scope, make it to keep to boil in the said temperature scope and boil; Destruction or loss when this method has avoided that the raw material effective ingredient suffers 99.5 ℃ of high temperature infusions in the refining process are fully extracted effective ingredient.
3, a kind of a kind of novel composite plant high-efficiency broad spectrum agricultural chemicals of narrating as claim 1 and preparation method thereof, the refining that it is characterized in that stoste does not comprise red camphor oil and neutral liquid soap, and finished pesticide system sends into asymmetric mixer in the lump by the stoste after filtering, red camphor oil behind the ethanol dilution of 3 times of weight and neutral liquid soap and fully mixes the back and concentrate and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02150746 CN1415216A (en) | 2002-11-27 | 2002-11-27 | New composite highly active broad-spectrum pesticide for plant and its prepn. method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 02150746 CN1415216A (en) | 2002-11-27 | 2002-11-27 | New composite highly active broad-spectrum pesticide for plant and its prepn. method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920521A (en) * | 2015-06-03 | 2015-09-23 | 广西大学 | Biological control agent for citrus huanglongbing |
| CN105053066A (en) * | 2015-07-25 | 2015-11-18 | 安徽博发文化生态园有限公司 | Plant source crystal persimmon anti-disease composition |
| CN105076261A (en) * | 2015-07-25 | 2015-11-25 | 安徽博发文化生态园有限公司 | Special pesticide for cherry trees and preparation method therefor |
| CN108902206A (en) * | 2018-05-03 | 2018-11-30 | 南安市创培电子科技有限公司 | A kind of environment-friendlyplant plant pesticide preparation method |
-
2002
- 2002-11-27 CN CN 02150746 patent/CN1415216A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920521A (en) * | 2015-06-03 | 2015-09-23 | 广西大学 | Biological control agent for citrus huanglongbing |
| CN105053066A (en) * | 2015-07-25 | 2015-11-18 | 安徽博发文化生态园有限公司 | Plant source crystal persimmon anti-disease composition |
| CN105076261A (en) * | 2015-07-25 | 2015-11-25 | 安徽博发文化生态园有限公司 | Special pesticide for cherry trees and preparation method therefor |
| CN108902206A (en) * | 2018-05-03 | 2018-11-30 | 南安市创培电子科技有限公司 | A kind of environment-friendlyplant plant pesticide preparation method |
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