CN105831168A - Botanical pesticide and preparing method thereof - Google Patents
Botanical pesticide and preparing method thereof Download PDFInfo
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- CN105831168A CN105831168A CN201610276055.4A CN201610276055A CN105831168A CN 105831168 A CN105831168 A CN 105831168A CN 201610276055 A CN201610276055 A CN 201610276055A CN 105831168 A CN105831168 A CN 105831168A
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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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
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/12—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
-
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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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
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/20—Fabaceae or Leguminosae [Pea or Legume family], e.g. pea, lentil, soybean, clover, acacia, honey locust, derris or millettia
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- Agronomy & Crop Science (AREA)
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- Pest Control & Pesticides (AREA)
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- Biotechnology (AREA)
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- Natural Medicines & Medicinal Plants (AREA)
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Abstract
The invention relates to a botanical pesticide .The botanical pesticide comprises, by weight, 11-15 parts of diafenthiuron, 26-30 parts of organic solvent, 11-15 parts of emulgator, 2-6 parts of thickening agent, 3-6 parts of antifreezing agent, 36-40 parts of water, 1-2 parts of sophora flower bud extract, 0.5-1 part of polyoxin, 1-2 parts of coptisine and 0.5-1 part of sodium nitrate .A preparing method of the botanical pesticide is characterized by including the following steps that the sophora flower bud extract is prepared; weighing is carried out; mixing is carried out .The botanical pesticide has the high control effect on spider mites, aphids, scale insects and thrips, is free of any side effect and high in safety, has the obvious increasing effect on the yield of apples and corn, has the obvious improving effect on the quality of apple products and corn products and can effectively prevent apple diseases and corn diseases.
Description
Technical field
The present invention relates to a kind of botanical pesticide, specifically, relate to a kind of botanical pesticide and preparation method thereof, belong to
In technical field of pesticide.
Background technology
Sophora bud broad sense is the dry flower for legume Chinese scholartree (Sophora japonica L.) and flower.China regions
Produce, with loess plateau and the North China Plain for many.Spend its bud of gathering when not opening summer, be referred to as " sophora bud "；The flowers are in blossom gathers when putting,
It is referred to as " sophora flower ".Removing the branch of inflorescence, stalk and impurity after gathering, be dried in time, life is used, is fried with or fry charcoal use.
Crops are all had a certain degree of Side effect by existing chemical pesticide, can cause in various degree soil,
The environmental pollutions such as water source, the improper meeting of Pesticide use causes crops to produce poisoning, causes crop growth abnormal, suppresses it photosynthetic
Effect, affects crop yield, and second stubble crop will also result in certain murder by poisoning.
Agricultural chemicals is liquid or solid form and gas.The own physical property of all kinds of and agricultural chemicals according to insect or disease
Difference, uses different usages.Dispense as made powder, make the aqueous solution, suspension, emulsion injection, or make steam or
Gas fumigation etc..
The defect that existing chemical pesticide exists is as follows:
(1) existing chemical pesticide, the application during apple cultivation: spray, at this kind before germination spring at apple
Reason method, after germinateing apple, the prevention effect of given birth to insect is undesirable, and specific aim is the strongest；
Application during corn planting: spray after emergence of corn, this kind of processing method, to insect in corn field
Prevention effect is undesirable, and specific aim is the strongest；
(2) existing chemical pesticide is applied to apple, corn pest control, and apple, corn are had certain side effect, security
Difference, has certain inhibitory action to its growth, and then reduces crop yield；
(3) existing chemical pesticide, only has preventive and therapeutic effect to the insect of apple, corn, to apple, corn disease without effect.
Summary of the invention
The technical problem to be solved in the present invention is for above not enough, it is provided that a kind of botanical pesticide:
(1) this botanical pesticide, has higher prevention effect to tetranychid, aphid, scale insect, thrips；
(2) this botanical pesticide, without any side effects, and security is high
(3) this botanical pesticide, the yield effect of being significantly improved to apple, corn；
(4) this botanical pesticide, the product quality effect of being significantly improved to apple, corn；
(5) this botanical pesticide, can effectively prevent the generation of apple, maize diseases；
For solving above technical problem, the present invention by the following technical solutions: a kind of botanical pesticide, it is characterised in that: described
Botanical pesticide, including diafenthiuron, water, Huai Goat, polyoxin, coptisine, sodium nitrate.
A kind of scheme of optimization, the component of described botanical pesticide, in parts by weight, content is: diafenthiuron 11-15 part,
Organic solvent 26-30 part, emulsifying agent 11-15 part, thickener 2-6 part, antifreezing agent 3-6 part, water 36-40 part, Huai Goat 1-2
Part, polyoxin 0.5-1 part, coptisine 1-2 part, sodium nitrate 0.5-1 part.
Further, the component of described botanical pesticide, in parts by weight, content is: diafenthiuron 13 parts, organic solvent 28
Part, emulsifying agent 13 parts, thickener 4 parts, antifreezing agent 4 parts, 39 parts of water, Huai Goat 1.5 parts, polyoxin 0.8 part, the coptis
1.6 parts of alkali, 0.7 part of sodium nitrate.
Further, described diafenthiuron, the weight/mass percentage composition of active ingredient is 98%.
Further, described organic solvent is ethylene glycol；Described emulsifying agent is polyoxyethylene glycol；Described thickener is
Hydroxyethyl cellulose；Described antifreezing agent is glycerine.
Further, containing rutin, Quercetin and rhamnose in described Huai Goat；
In described Huai Goat the content of rutin be 96%, the content of Quercetin be 2%, the content of rhamnose be 0.5%.
A kind of preparation method of botanical pesticide, it is characterised in that: comprise the following steps: prepare Huai Goat；Weigh；
Mixing.
The scheme of a kind of optimization, described prepares Huai Goat, comprises the following steps:
(1) the fresh sophora bud is taken, removal of impurities, dry at a temperature of 72 DEG C, pulverize, cross 80 mesh sieves；
(2) take the ethanol solution that sophora bud powder adds the 63% of 9 times, after soaking 30min, use ultrasonic-microwave to extract, its
Ultrasonic 400W(is normally opened in middle control), microwave power is 500W, extracts 4h, centrifugal；
(3) take supernatant, concentrate；
(4) concentrate adds hot water dissolving, crosses neutral alumina column absorption, and the particle diameter of neutral alumina is 60 mesh, applied sample amount with in
Property quality of alumina ratio for 1:4, the ratio of height to diameter of post is 4:1, use 10 times 60% ethanol elution, collect eluent, reduce pressure dense
Contracting, decompression temperature, at 79 DEG C, obtains Huai Goat crude product；
(4) use EtOH-MeOH (1:1) mixed solvent to recrystallize again 3 times, obtain Huai Goat.
Further, described weighing, comprise the following steps: according to the formula of a kind of botanical pesticide, weigh each respectively
Raw material.
Further, described mixing, comprise the following steps:
(1) diafenthiuron is dissolved in ethylene glycol, adds polyoxyethylene glycol, prepare oil phase；
(2) glycerine, Huai Goat, polyoxin, coptisine, sodium nitrate are mixed to obtain aqueous phase with water；
(3) under high shear condition oil phase is slowly added in aqueous phase, prepares diafenthiuron emulsion in water, add in aqueous emulsion
Hydroxyethyl cellulose, obtains botanical pesticide after stirring.
After the present invention uses above technical scheme, compared with prior art, have the advantage that
(1) this botanical pesticide, respectively reaches 96-98%, 91-99%, 95-to tetranychid, aphid, scale insect, the preventive effect of thrips
98%、97-99%；
(2) this botanical pesticide, the yield effect of being significantly improved to apple, per mu yield reaches 5800-6300 jin, fruit in apple
Sugar, dextrose plus saccharose content also significantly improve, every hectogram apple containing fructose 11.2～15.3 grams, glucose 3.6～4.1 grams,
Sucrose 5.3～5.6 grams；
(3) this botanical pesticide, reduces the incidence of disease of apple disease, and the incidence of disease of ring rot of apple is 2%-6%, apple anthrax
The incidence of disease that the sick incidence of disease is 2%-5%, apple decayed fruit is sick is 1%-7%, the incidence of disease of Apple Mould Core is 3%-5%, apple is white
The incidence of disease of powder disease is 1%-3%；
(4) this botanical pesticide, the yield effect of being significantly improved to corn, per mu yield reaches 810-830 kilogram, meals in fresh corn
The content of food fiber is 6.9-9.7 gram, and the content of protein is 5-7 gram, and fat content is 0.9-1.1 gram；
(5) this botanical pesticide, reduces the incidence of disease of maize diseases, the corn smut incidence of disease be 1%-3%,
The maize head smut incidence of disease is 2%-5%, the maize brown spot incidence of disease is 0.5%-1%, the anthracnose of maize incidence of disease is 2%-
7%, the maize sheath blight incidence of disease is 3%-6%；
Below in conjunction with embodiment, the present invention is described in detail.
Detailed description of the invention
Below by way of specific embodiment, the present invention is described, but the present invention is not merely defined in these embodiments.
1 one kinds of botanical pesticides of embodiment
Described botanical pesticide includes the component of following weight portion:
Diafenthiuron 11 parts, organic solvent 26 parts, emulsifying agent 11 parts, thickener 2 parts, antifreezing agent 3 parts, 36 parts of water, Huai Goat
1 part, polyoxin 0.5 part, coptisine 1 part, 0.5 part of sodium nitrate；
Described diafenthiuron, the weight/mass percentage composition of active ingredient is 98%；
Described organic solvent is ethylene glycol；
Described emulsifying agent is polyoxyethylene glycol；
Described thickener is hydroxyethyl cellulose；
Described antifreezing agent is glycerine；
Containing rutin, Quercetin and rhamnose in described Huai Goat, in described Huai Goat, the content of rutin is
96%, the content of Quercetin be 2%, the content of rhamnose be 0.5%.
2 one kinds of botanical pesticides of embodiment
Described botanical pesticide includes the component of following weight portion:
Diafenthiuron 13 parts, organic solvent 28 parts, emulsifying agent 13 parts, thickener 4 parts, antifreezing agent 4 parts, 39 parts of water, Huai Goat
1.5 parts, polyoxin 0.8 part, coptisine 1.6 parts, 0.7 part of sodium nitrate；
Described diafenthiuron, the weight/mass percentage composition of active ingredient is 98%；
Described organic solvent is ethylene glycol；
Described emulsifying agent is polyoxyethylene glycol；
Described thickener is hydroxyethyl cellulose；Described antifreezing agent is glycerine；
Containing rutin, Quercetin and rhamnose in described Huai Goat, in described Huai Goat, the content of rutin is
96%, the content of Quercetin be 2%, the content of rhamnose be 0.5%.
3 one kinds of botanical pesticides of embodiment
Diafenthiuron 15 parts, organic solvent 30 parts, emulsifying agent 15 parts, thickener 6 parts, antifreezing agent 6 parts, 40 parts of water, Huai Goat
2 parts, polyoxin 1 part, coptisine 2 parts, 1 part of sodium nitrate；
Described diafenthiuron, the weight/mass percentage composition of active ingredient is 98%；
Described organic solvent is ethylene glycol；
Described emulsifying agent is polyoxyethylene glycol；
Described thickener is hydroxyethyl cellulose；
Described antifreezing agent is glycerine；
Containing rutin, Quercetin and rhamnose in described Huai Goat, in described Huai Goat, the content of rutin is
96%, the content of Quercetin be 2%, the content of rhamnose be 0.5%.
4 one kinds of botanical pesticide preparation methods of embodiment
Step 1, prepare Huai Goat
(1) the fresh sophora bud is taken, removal of impurities, dry at a temperature of 72 DEG C, pulverize, cross 80 mesh sieves；
(2) take the ethanol solution that sophora bud powder adds the 63% of 9 times, after soaking 30min, use ultrasonic-microwave to extract, its
Ultrasonic 400W(is normally opened in middle control), microwave power is 500W, extracts 4h, centrifugal；
(3) take supernatant, concentrate；
(4) concentrate adds hot water dissolving, crosses neutral alumina column absorption, and the particle diameter of neutral alumina is 60 mesh, applied sample amount with in
Property quality of alumina ratio for 1:4, the ratio of height to diameter of post is 4:1, use 10 times 60% ethanol elution, collect eluent, reduce pressure dense
Contracting, decompression temperature, at 79 DEG C, obtains Huai Goat crude product；
(4) use EtOH-MeOH (1:1) mixed solvent to recrystallize again 3 times, obtain Huai Goat.
Step 2, weighing
According to the formula of a kind of botanical pesticide, weigh each raw material respectively.
Step 3, mixing
(1) diafenthiuron is dissolved in ethylene glycol, adds polyoxyethylene glycol, prepare oil phase；
(2) glycerine, Huai Goat, polyoxin, coptisine, sodium nitrate are mixed to obtain aqueous phase with water；
(3) under high shear condition oil phase is slowly added in aqueous phase, prepares diafenthiuron emulsion in water, add in aqueous emulsion
Hydroxyethyl cellulose, obtains botanical pesticide after stirring；
Obtained botanical pesticide is aqueous emulsion.
Percentage in above-described embodiment, in addition to specified otherwise, for mass percent.
The application of 5 one kinds of botanical pesticides of embodiment
This product 2500--3000 times of liquid of dilution sprays, and emphasis insect happening part squirts and do not drips for degree.
Test effect:
Botanical pesticide prepared by the present invention tetranychid, aphid, scale insect, the preventive effect of thrips are respectively reached 96-98%, 91-99%,
95-98%, 97-99%, specific targets are shown in Table 1.
Table 1 is the botanical pesticide of the present invention prevention effect to insect
(2) botanical pesticide prepared by the present invention is not only good to the prevention effect of tetranychid, aphid, prevents scale insect, thrips simultaneously
Control effect might as well, this botanical pesticide is without any side effects, and security is high, also obtains beyond thought effect:
Apply during apple cultivation:
1. the yield of the apple effect of being significantly improved, per mu yield reaches 5800～6300 jin, and in apple, fructose, dextrose plus saccharose contain
Amount also significantly improves, and in apple, the content of fructose is 11.2～15.3 g/100g, and the content of glucose is 3.6～4.1 g/
100g, the content of sucrose is 5.3～5.6 g/100g, is specifically shown in Table 2；
Table 2 is the per mu yield of fructose, dextrose plus saccharose and apple in apple
2. the incidence of disease of Disease of Apple Trees is substantially reduced, and the incidence of disease of the ring rot of apple of apple tree is 2%-6%, apple anthrax
The incidence of disease that the sick incidence of disease is 2%-5%, apple decayed fruit is sick is 1%-7%, the incidence of disease of Apple Mould Core is 3%-5%, apple is white
The incidence of disease of powder disease is 1%-3%, is specifically shown in Table 3；
Table 3 is ring rot of apple, apple anthracnose, apple decayed fruit disease, Apple Mould Core, the incidence of disease of apple mildew；
Apply during corn planting:
2. the yield of the corn effect of being significantly improved, per mu yield reaches 810～830 kilograms, the content of dietary fiber in fresh corn,
The content of protein increases significantly, and fat content is significantly reduced, in fresh corn the content of dietary fiber be 6.9～
9.7 g/100g, the content of protein is 5～7 g/100g, and fat content is 0.9～1.1 g/100g, is specifically shown in Table 4；
Table 4 is dietary fiber, protein and fat content and the yield of corn in fresh corn
2. the corn smut incidence of disease of corn be 1%-3%, the maize head smut incidence of disease be 2%-5%, maize brown spot morbidity
Rate is 0.5%-1%, the anthracnose of maize incidence of disease is 2%-7%, the maize sheath blight incidence of disease is 3%-6%, is specifically shown in Table 5；
Table 5 is the incidence of disease of corn smut, maize head smut, maize brown spot, anthracnose of maize, maize sheath blight；
Comparison: do not use botanical pesticide of the present invention, uses clear water to spray.
Above-mentioned detailed description of the invention is exemplary, is to enable those skilled in the art to be better understood from this
Summary of the invention, should not be understood as limiting the scope of the invention, as long as according to changing that technical solution of the present invention is made
Enter, each fall within protection scope of the present invention.
Claims (10)
1. a botanical pesticide, it is characterised in that: described botanical pesticide, including diafenthiuron, water, Huai Goat, resist more
Mycin, coptisine, sodium nitrate.
2. a kind of botanical pesticide as claimed in claim 1, it is characterised in that: the component of described botanical pesticide, with weight
Part meter, content is: diafenthiuron 11-15 part, organic solvent 26-30 part, emulsifying agent 11-15 part, thickener 2-6 part, antifreezing agent 3-6
Part, water 36-40 part, Huai Goat 1-2 part, polyoxin 0.5-1 part, coptisine 1-2 part, sodium nitrate 0.5-1 part.
3. a kind of botanical pesticide as claimed in claim 2, it is characterised in that: the component of described botanical pesticide, with weight
Part meter, content is: diafenthiuron 13 parts, organic solvent 28 parts, emulsifying agent 13 parts, thickener 4 parts, antifreezing agent 4 parts, 39 parts of water, Chinese scholartree
Rice extracts 1.5 parts, polyoxin 0.8 part, coptisine 1.6 parts, 0.7 part of sodium nitrate.
4. a kind of botanical pesticide as claimed in claim 2, it is characterised in that: described diafenthiuron, the quality hundred of active ingredient
Dividing content is 98%.
5. a kind of botanical pesticide as claimed in claim 2, it is characterised in that: described organic solvent is ethylene glycol；Described breast
Agent is polyoxyethylene glycol；Described thickener is hydroxyethyl cellulose；Described antifreezing agent is glycerine.
6. botanical pesticide as claimed in claim 2 a kind of, it is characterised in that: in described Huai Goat containing rutin,
Quercetin and rhamnose；
In described Huai Goat the content of rutin be 96%, the content of Quercetin be 2%, the content of rhamnose be 0.5%.
7. the preparation method of a botanical pesticide, it is characterised in that: comprise the following steps: prepare Huai Goat；Weigh；Mixed
Close.
The preparation method of a kind of botanical pesticide the most as claimed in claim 7, it is characterised in that: the described sophora bud of preparing extracts
Thing, comprises the following steps:
(1) the fresh sophora bud is taken, removal of impurities, dry at a temperature of 72 DEG C, pulverize, cross 80 mesh sieves；
(2) take the ethanol solution that sophora bud powder adds the 63% of 9 times, after soaking 30min, use ultrasonic-microwave to extract, its
Ultrasonic 400W(is normally opened in middle control), microwave power is 500W, extracts 4h, centrifugal；
(3) take supernatant, concentrate；
(4) concentrate adds hot water dissolving, crosses neutral alumina column absorption, and the particle diameter of neutral alumina is 60 mesh, applied sample amount with in
Property quality of alumina ratio for 1:4, the ratio of height to diameter of post is 4:1, use 10 times 60% ethanol elution, collect eluent, reduce pressure dense
Contracting, decompression temperature, at 79 DEG C, obtains Huai Goat crude product；
(4) use EtOH-MeOH (1:1) mixed solvent to recrystallize again 3 times, obtain Huai Goat.
The preparation method of a kind of botanical pesticide the most as claimed in claim 7, it is characterised in that: described weighing, including following
Step: according to the formula of a kind of botanical pesticide, weighs each raw material respectively.
The preparation method of a kind of botanical pesticide the most as claimed in claim 7, it is characterised in that: described mixing, including following
Step:
(1) diafenthiuron is dissolved in ethylene glycol, adds polyoxyethylene glycol, prepare oil phase；
(2) glycerine, Huai Goat, polyoxin, coptisine, sodium nitrate are mixed to obtain aqueous phase with water；
(3) under high shear condition oil phase is slowly added in aqueous phase, prepares diafenthiuron emulsion in water, add in aqueous emulsion
Hydroxyethyl cellulose, obtains botanical pesticide after stirring.
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| CN201610276055.4A CN105831168A (en) | 2016-04-29 | 2016-04-29 | Botanical pesticide and preparing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107494647A (en) * | 2017-09-18 | 2017-12-22 | 鲁小芹 | A kind of gardens botanical pesticide of high-efficiency low-toxicity and preparation method thereof |
| CN107836521A (en) * | 2017-12-21 | 2018-03-27 | 福建农林大学 | Sophora yoghurt and preparation method thereof |
| CN111742938A (en) * | 2020-07-29 | 2020-10-09 | 山东农业大学 | A compound plant immune inducer for comprehensive prevention and control of plant diseases and insect pests and its application |
| CN117958273A (en) * | 2024-04-02 | 2024-05-03 | 山东科睿诺生物科技有限公司 | Pesticide containing cyenopyrafen and diafenthiuron |
Citations (7)
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| CN111742938A (en) * | 2020-07-29 | 2020-10-09 | 山东农业大学 | A compound plant immune inducer for comprehensive prevention and control of plant diseases and insect pests and its application |
| CN111742938B (en) * | 2020-07-29 | 2021-08-17 | 山东农业大学 | A compound plant immune inducer for comprehensive prevention and control of plant diseases and insect pests and its application |
| CN117958273A (en) * | 2024-04-02 | 2024-05-03 | 山东科睿诺生物科技有限公司 | Pesticide containing cyenopyrafen and diafenthiuron |
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