CN105638767B - A kind of high efficacy pesticide for plant and preparation method thereof - Google Patents
A kind of high efficacy pesticide for plant and preparation method thereof Download PDFInfo
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- CN105638767B CN105638767B CN201610034662.XA CN201610034662A CN105638767B CN 105638767 B CN105638767 B CN 105638767B CN 201610034662 A CN201610034662 A CN 201610034662A CN 105638767 B CN105638767 B CN 105638767B
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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
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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]
- A01N65/38—Solanaceae [Potato family], e.g. nightshade, tomato, tobacco or chilli pepper
- A01N65/385—Tobacco
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- 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
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Abstract
The present invention relates to a kind of high efficacy pesticide for plant and preparation method thereof, the bulk pharmaceutical chemicals containing following parts by weight in raw material：50~100 parts of chinaberry, 50~100 parts of granatum, 50~100 parts of the fruit of glossy privet, 40~80 parts of tripterygium wilfordii, 30~70 parts of capsicum annum fasciculatum, 10~60 parts of tobacco leaf.By above-mentioned raw materials by extraction, concentration, addition auxiliary agent, vegetable insecticide is made.Insecticide of the present invention, has simple production process, and material source is extensive, can gather materials on the spot, of low cost, save expense, to people, animal, crop is safe to use the advantages that；It is sprayed on crop and easily decomposes, avoids retaining residual hazard, reduce environmental pollution, especially there is unique insecticidal effect to brevicoryne brassicae and cabbage caterpillar.In addition, the vegetable insecticide, has the function that to stimulate plant growth, is conducive to crop growth, increase yield.
Description
Technical field
The invention belongs to technical field of pesticide, more particularly to a kind of high efficacy pesticide for plant and preparation method thereof.
Background technology
Pest and disease damage is prevented with botanical pesticide, has the history of 1500 in China,《Compendium of Materia Medica》In just have use
The record of herbal medicine desinsection.Study according to investigations, there are 200 various plants to be processed into natural plant medicament, for preventing agricultural fruits and vegetables
Crop disease and insect.How the world today mitigates chemical pesticide pollution, ensures food security, production organic food, nuisanceless green
Food, increasingly gets more and more people's extensive concerning.It can be said that appliable plant pesticide, in terms of ecological protection, it is special to have
Not replaceable advantage.
The plant pesticide that the country has developed at present is mainly more using kuh-seng alkali preparation.It is other to also have chinaberry element, nicotine, Wormseed
Element, jervine, Celastrus angulatus, rotenone etc..These botanical pesticides rise for the production of crops non-polluted cultivation and green food
Good effect is arrived.But for various reasons, the existing plant pesticide kind in China is dull, and the active compound declared is with hardship
It is in the majority to join alkali.Other species belong to mostly the new monoid such as alkaloids, terpenes, lactone be related to it is smaller.This situation has can
Causing certain resource, supply falls short of demand, causes starving, influences the production development of these botanical pesticides.
In the prior art, application number " 200710177698.4 " patent discloses a vegetative insecticide, which kills
Contain the bulk pharmaceutical chemicals of following parts by weight in worm agent：2.6~2.8 parts of black false hellebore, 1.4~1.8 parts of tripterygium wilfordii, 5.2~6.0 parts of kuh-seng,
0.8~1.2 part of radix euphorbiae lantu, 0.8~1.2 part of capsicum annum fasciculatum, 0.8~1.2 part of tobacco leaf, 0.8~1.2 part of azedarach and the tuber of stemona 0.8~1.2
Part.It is reported that it is not likely to produce the resistance to the action of a drug with good insecticidal effect and environmentally friendly, plant noresidue, pest.So due to this
Chinese medicine species used is more in vegetable insecticide, it is difficult to draws materials and cost is higher, such as azedarach medicinal material, is unfavorable for advising greatly
Mould produces.In order to solve the problems, such as this actual techniques, the present invention intends adjusting from prescription, by experiment sieving repeatedly and opinion
Card, eventually through the technical solution belonging to the present invention, preferably solves the problems, such as this.
The content of the invention
The object of the present invention is to provide a kind of high efficacy pesticide for plant and preparation method thereof.Using frequently seen plants raw material
Be made insecticide, there is simple production process, material source is extensive, can gather materials on the spot, of low cost, saving expense, to people,
Poultry, the advantages that crop is safe to use；It is sprayed on crop and easily decomposes, avoids retaining residual hazard, reduce environmental pollution, especially to sweet
Blue aphid and cabbage caterpillar have unique insecticidal effect.In addition, the vegetable insecticide, has the function that to stimulate plant growth, favorably
In crop growth, increase yield.
The purpose of the present invention is achieved through the following technical solutions：
A kind of high efficacy pesticide for plant of the present invention, by the bulk pharmaceutical chemicals of following mass fraction in the vegetable insecticide
Composition：50~100 parts of chinaberry, 40~80 parts of tripterygium wilfordii, 30~70 parts of capsicum annum fasciculatum, 10~60 parts of tobacco leaf.
A kind of high efficacy pesticide for plant, is made of the bulk pharmaceutical chemicals of following mass fraction in the vegetable insecticide：Chinaberry
50~100 parts, 40~80 parts of tripterygium wilfordii, 30~70 parts of capsicum annum fasciculatum, 10~60 parts of tobacco leaf, while can also add：Granatum
50~100 parts, 50~100 parts of the fruit of glossy privet.
Preferably, by the bulk pharmaceutical chemicals of following mass fraction in the vegetable insecticide：100 parts of chinaberry, 80 parts of granatum,
90 parts of the fruit of glossy privet, 80 parts of tripterygium wilfordii, 40 parts of capsicum annum fasciculatum, 60 parts of tobacco leaf.
Auxiliary agent of the insecticide also containing 15~25% percentage by weights, auxiliary agent can be emulsifying agent, dispersant, synergy
Agent, stabilizer.Preferably, auxiliary agent is emulsifying agent；Further preferably, emulsifying agent is agriculture breast 2201.
A kind of method for being used to prepare above-mentioned high efficacy pesticide for plant, includes the following steps：
(1) take bulk pharmaceutical chemicals to mix according to the parts by weight and to be ground into powder spare；
(2) in step (1) gained mixed-powder, add its 16 times of heavy organic solvents and be used to extract raw material pharmaceutically active ingredient
3 it is small when, then with ultrasonication extraction 1~2 it is small when, then passing to steam distillation solvent concentrates liquid, and liquid is concentrated into
Relative density of medicine liquid is raised as 1.1~1.2；
(3) add auxiliary agent in step (2) gained concentrated medicament and obtain mixed solution, auxiliary agent content is reached mixed solution weight
The 15~20% of amount, after being sufficiently stirred to obtain the final product, the vegetable insecticide.
Preferably, in the preparation method of the high efficacy pesticide for plant, (2) middle organic solvent is 80%~95% to step
Ethanol water.
High efficacy pesticide for plant of the present invention using natural plants as raw material, available for prevention wheat, cotton, rice, vegetables and
The pest and disease damage of fruit tree, specific pest control include：Brevicoryne brassicae, cotten aphid, bollworm, heart-eating worm, red spider, mythimna separata, cabbage caterpillar, profit
The pest and disease damages such as wood louse, tetranychid.
Preferably, the vegetable insecticide presses following bulk pharmaceutical chemicals：100 parts of chinaberry, 80 parts of granatum, 90 parts of the fruit of glossy privet,
When prepared by 80 parts of tripterygium wilfordii, 40 parts of capsicum annum fasciculatum, 60 parts of tobacco leaf and 15~20% percentage by weight auxiliary agents, to brevicoryne brassicae and cabbage caterpillar
With especially significant insecticidal effect.
The source of the raw materials used medicine of the present invention, effect are as follows：
A. chinaberry, is the dry mature fruit of Meliaceae plant chinaberry (Melia azedarach L.).Former department of botany falls
Leaf arbor, wild, cultivation have, to commonly use ornamental plant.It is distributed mainly on Fujian, Jiangxi, Shanxi, Gansu, the Shandong of China；
Anhui, Jiangsu, Zhejiang, Hunan, Guangdong, Hainan, Guangxi, Yunnan, India, Japan, Taiwan and Australia etc. are regional.Autumn, two season of winter
Fruit maturation harvests when being in yellow, or collects the fruit fallen, and fruit is containing triterpene compound, chinaberry ketone, melianol etc.
Chemical composition, has promoting qi circulation and relieving pain, desinsection and other effects.
B. granatum, is the drying pericarp of Punicaceae plant pomegranate (Punica granatum L.).Former plant is common
There is cultivation in fruit tree, China north and south, more with Jiangsu, Henan and other places.Pericarp is collected after autumn fruit maturation.Contain in granatum
The effect of granatenine has tapeworm very strong killing power, which has relieving diarrhea with astringents, hemostasis, expelling parasite.
C. the fruit of glossy privet, alias glossy privet reality, purpleflower holly fruit, wax tree, mouse Chinese catalpa, are Oleaceae plants glossy privet (Ligustrum
Lucidum Ait.) or its dry mature fruit.The effect of parts of generic medicinal plants, has and tonifies the liver and kidney, improving eyesight, clearind deficient heat.Base
Former plant glossy privet is also that more indigenous tree is applied in afforestation.
D. tripterygium wilfordii, is called herba fibraureae recisae, Huang Lateng, cabbageworm medicine, red medicine, water thick grass, is Celastraceae tripterygium plant Thunder God
The root of rattan (Tripterygium wilfordii Hook.f.), liana shrub, main product is in Fujian, Zhejiang, Anhui, Henan etc.
Ground.Summer, autumn harvesting.Containing wilfordine, wilforine, wilfordine the second grade composition of alkaloids, there is strong toxicity.The medical instrument
There is dispelling wind and eliminating dampness, remove obstruction in channels to relieve pain, swelling and pain relieving, removing toxic substances desinsection.
E. capsicum annum fasciculatum (CapsicumannuumL.var.conoides (Mill.) Irish), capsicum mutation, it is peppery to belong to Solanaceae
Green pepper belongs to perennial half woody cotton plant, often makees annual cultivation.Generally start maturation successively in mid or late August, should in time adopt and cut,
Drying.Energy expelling wind and clearing away cold, relaxing tendons and activating collaterals simultaneously have desinsection, itching-relieving efficacies.
F. tobacco leaf, the herb of Solanaceae Nicotiana plant tobacco (Nicotiana tabacum L.).Autumn harvests, and dries in the shade.
With subdhing swelling and detoxicating, the effect of desinsection.
The preferred application process of vegetable insecticide of the present invention：The concentration of insecticide and pest species are not according to the present invention
Together, 500~1200 times of the desinsection dilution agent that will be prepared with water, then also needs to determine applying for unit area according to plant size
With dosage, 20~40kg vegetable insecticides of the present invention are generally applied per acre.Using opportunity according to the different difference of crop species
Flexibly selected with pests occurence rule.
The present invention can make full use of plant resources.Chinaberry and glossy privet are distributed in China's most area, many
As sidewalk planting, every autumn fruit drops road surface in city, and sanitationman is more directly to outwell as rubbish, no
It can very well utilize, cause the wasting of resources.Pomegranate is common fruit tree, and with agrotechnical continuous development, the more ground in the whole nation are (such as：Shan
Border on the ground such as Tong, Anhui Huaiyuan, Henan Shangqiu, Kaifeng, Yingyang, Fengqiu, Meng County in the west) there are large-scale planting and processing base, stone
Pomegranate skin is treated as rubbish and outwells, and corruption causes to have seriously polluted the environment.Above-mentioned three kinds of bulk pharmaceutical chemicals, as Chinese medicine, dosage is very
It is few, but as the raw material of vegetable insecticide, not only will not environmental pollution, moreover it is possible to turn waste into wealth, will produce environmentally protective
Efficient vegetable insecticide.By measuring and calculating, the insecticide phase recorded with Application No. " 200710177698.4 " patent Example 1
Than according to the raw material and preparation method of embodiment 5 disclosed by the invention, up to 60% cost can be reduced, it is seen that the present invention
Economic benefit and social benefit highly significant.
Beneficial effects of the present invention：
(1) insecticide is produced in natural plants, simple production process, raw material is simple and easy to get, of low cost, and to people,
Poultry, crop are safe to use.
By to the acute oral of SD mouse, White Rabbit, percutaneous toxicity test, eye irritation test and acute skin irritation
Experiment, it was demonstrated that insecticide of the present invention is less toxic to people and animals, nonirritant.
(2) the insecticide is a kind of high efficacy pesticide for plant, has the function that broad spectrum disinfestation, and result of the test shows this hair
The insecticidal effect of bright vegetable insecticide is up to more than 90%.The desinsection for especially having highly significant to brevicoryne brassicae and cabbage caterpillar is imitated
Fruit, can reach 100%.
(3) it is sprayed on crop and easily decomposes, avoids retaining residual hazard, reduce environmental pollution, especially to fruits and vegetables class food plant
Can be safe to use.
(4) the vegetable insecticide, has the function that to promote plant growth, is conducive to crop growth, increase yield.
Embodiment
The present invention is described in further details below by example, these examples are only used for illustrating the present invention, and unlimited
The scope of the present invention processed.
Embodiment 1
(1) chinaberry 100kg, tripterygium wilfordii 80kg, capsicum annum fasciculatum 30kg, tobacco leaf 10kg are taken.
(2) it is spare above-mentioned all bulk pharmaceutical chemicals to be ground into 30~40 mesh coarse powder with Universalpulverizer.
(3) in step (2) gained mixed-powder, the 95% ethanol solution extraction raw material pharmaceutically active ingredient of its 16 times of weights is added
3 it is small when, then with ultrasonication extraction 1 it is small when, then passing to steam distillation solvent concentrates liquid, and liquid, which is concentrated into, to be raised
Relative density of medicine liquid is 1.1~1.2；
(4) in step, (3) gained concentrated medicament is placed in compounding kettle, is added commercially available agriculture breast 2201, auxiliary agent content is reached mixed
The 15% of solution weight is closed, the vegetable insecticide is obtained after being sufficiently stirred, is finally putting into head tank and is precipitated, is filling.
Embodiment 2
(1) chinaberry 50kg, tripterygium wilfordii 40kg, capsicum annum fasciculatum 70kg, tobacco leaf 60kg are taken.
(2) it is spare above-mentioned all bulk pharmaceutical chemicals to be ground into 30~40 mesh coarse powder with Universalpulverizer.
(3) in step (2) gained mixed-powder, the 95% ethanol solution extraction raw material pharmaceutically active ingredient of its 16 times of weights is added
3 it is small when, then with ultrasonication extraction 2 it is small when, then passing to steam distillation solvent concentrates liquid, and liquid, which is concentrated into, to be raised
Relative density of medicine liquid is 1.1~1.2；
(4) in step, (3) gained concentrated medicament is placed in compounding kettle, is added commercially available agriculture breast 2201, auxiliary agent content is reached mixed
The 15% of solution weight is closed, the vegetable insecticide is obtained after being sufficiently stirred, is finally putting into head tank and is precipitated, is filling.
Embodiment 3
(1) chinaberry 100kg, tripterygium wilfordii 80kg, capsicum annum fasciculatum 40kg, tobacco leaf 60kg are taken.
(2) it is spare above-mentioned all bulk pharmaceutical chemicals to be ground into 30~40 mesh coarse powder with Universalpulverizer.
(3) in step (2) gained mixed-powder, the 95% ethanol solution extraction raw material pharmaceutically active ingredient of its 16 times of weights is added
3 it is small when, then with ultrasonication extraction 2 it is small when, then passing to steam distillation solvent concentrates liquid, and liquid, which is concentrated into, to be raised
Relative density of medicine liquid is 1.1~1.2；
(4) in step, (3) gained concentrated medicament is placed in compounding kettle, is added commercially available agriculture breast 2201, auxiliary agent content is reached mixed
The 15% of solution weight is closed, the vegetable insecticide is obtained after being sufficiently stirred, is finally putting into head tank and is precipitated, is filling.
Embodiment 4
(1) chinaberry 100kg, granatum 100kg, fruit of glossy privet 100kg, tripterygium wilfordii 50kg, capsicum annum fasciculatum 40kg, tobacco leaf are taken
60kg。
(2) it is spare above-mentioned all bulk pharmaceutical chemicals to be ground into 30~40 mesh coarse powder with Universalpulverizer.
(3) in step (2) gained mixed-powder, the 95% ethanol solution extraction raw material pharmaceutically active ingredient of its 16 times of weights is added
3 it is small when, then with ultrasonication extraction 2 it is small when, then passing to steam distillation solvent concentrates liquid, and liquid, which is concentrated into, to be raised
Relative density of medicine liquid is 1.1~1.2；
(4) in step, (3) gained concentrated medicament is placed in compounding kettle, is added commercially available agriculture breast 2201, auxiliary agent content is reached mixed
The 20% of solution weight is closed, the vegetable insecticide is obtained after being sufficiently stirred, is finally putting into head tank and is precipitated, is filling.
Embodiment 5
(1) chinaberry 100kg, granatum 80kg, fruit of glossy privet 90kg, tripterygium wilfordii 80kg, capsicum annum fasciculatum 40kg, tobacco leaf 60kg are taken.
(2) it is spare above-mentioned all bulk pharmaceutical chemicals to be ground into 30~40 mesh coarse powder with Universalpulverizer.
(3) in step (2) gained mixed-powder, the 95% ethanol solution extraction raw material pharmaceutically active ingredient of its 16 times of weights is added
3 it is small when, then with ultrasonication extraction 2 it is small when, then passing to steam distillation solvent concentrates liquid, and liquid, which is concentrated into, to be raised
Relative density of medicine liquid is 1.1~1.2；
(4) in step, (3) gained concentrated medicament is placed in compounding kettle, is added commercially available agriculture breast 2201, auxiliary agent content is reached mixed
The 20% of solution weight is closed, the vegetable insecticide is obtained after being sufficiently stirred, is finally putting into head tank and is precipitated, is filling.
Embodiment 6
(1) chinaberry 50kg, granatum 50kg, fruit of glossy privet 50kg, tripterygium wilfordii 80kg, capsicum annum fasciculatum 70kg, tobacco leaf 60kg are taken.
(2) it is spare above-mentioned all bulk pharmaceutical chemicals to be ground into 30~40 mesh coarse powder with Universalpulverizer.
(3) in step (2) gained mixed-powder, the 95% ethanol solution extraction raw material pharmaceutically active ingredient of its 16 times of weights is added
3 it is small when, then with ultrasonication extraction 2 it is small when, then passing to steam distillation solvent concentrates liquid, and liquid, which is concentrated into, to be raised
Relative density of medicine liquid is 1.1~1.2；
(4) in step, (3) gained concentrated medicament is placed in compounding kettle, is added commercially available agriculture breast 2201, auxiliary agent content is reached mixed
The 20% of solution weight is closed, the vegetable insecticide is obtained after being sufficiently stirred, is finally putting into head tank and is precipitated, is filling.
In order to confirm the significant insecticidal effect of the present invention, we have done the representative experiment of following groups, and are carried out
Verification.
1 vegetable aphid preventive effect of experimental example is tested
(1) experimental subjects：Vegetable aphid (brevicoryne brassicae)
(2) experimental method：
Test place：Baoji, Shaanxi province city Fufeng County Rou Gu towns mound East Village facility farmland.
Experiment packet：21 cells are randomly choosed in field, per 0.03 mu of plot area, which is randomly divided into
3 groups, every group is applied desinsection dilution agent 800 times (A1), 1000 times (A2) prepared by the embodiment of the present invention 3 respectively, prepared by embodiment 5
Desinsection dilution agent 800 times (B1), 1000 times (B2), in patent application 200710177698.4 embodiment 1 record insecticide
Dilute 600 times (C1), 2.5% 1000 times of decis (D1) and each 3 times of clear water (E), routinely spray method is with 30kg per acre
Liquid is uniformly sprayed onto plant parts by the dosage of liquid thoughtfully.
6 plants of the fixed point investigation per cell, when behind 1 day before dispenser and dispenser 24 is small, investigate and remembers for the 3rd day and the 5th day respectively
Record borer population living, calculates the average preventive effect of 3 dispensers.
(3) experimental result
The effect of the Pests with Botanical Pesticides brevicoryne brassicae of the present invention of table 1.
Brevicoryne brassicae is the pest that a kind of resistance to the action of a drug is strong, difficulty of prevention and cure is big.As it can be seen from table 1 the embodiment of the present invention 3 and reality
The vegetable insecticide prepared by example 5 is applied, to the insecticidal effect highly significant of brevicoryne brassicae, can quickly be killed, especially according to implementation
Vegetable insecticide prepared by example 5 is after 800~1000 times of dilution sprays, and insecticidal effect is up to 100%.Effect is significantly better than
The chrysanthemum ester insecticide such as vegetable insecticide and decis disclosed in patent application 200710177698.4, and killing property of speed is good, residual
Imitate short, be suitably applied vegetables.
2 cabbage caterpillar preventive effect of experimental example is tested
(1) experimental subjects：Cabbage caterpillar
(2) experimental method：
Test place：Baoji, Shaanxi province city Fufeng County Rou Gu towns mound East Village facility farmland.
Experiment packet：21 cells are randomly choosed in field, per 0.03 mu of plot area, which is randomly divided into
3 groups, every group is applied desinsection dilution agent 800 times (A1), 1000 times (A2) prepared by the embodiment of the present invention 3 respectively, prepared by embodiment 5
Desinsection dilution agent 800 times (B1), 1000 times (B2), in patent application 200710177698.4 embodiment 1 record insecticide
Dilute 600 times (C1), 2.5% 1000 times of decis (D1) and each 3 times of clear water (E), routinely spray method is with 30kg per acre
Liquid is uniformly sprayed onto plant parts by the dosage of liquid thoughtfully.
20 plants of the fixed point investigation per cell, when behind 1 day before dispenser and dispenser 24 is small, investigate and remembers for the 3rd day and the 5th day respectively
Record borer population living, calculates the average preventive effect of 3 dispensers.
(3) experimental result
The effect of the Pests with Botanical Pesticides cabbage caterpillar of the present invention of table 2.
As can be seen from Table 2, after 800~1000 times of plant insecticide dilution agent of the present invention, killing for highly significant is capable of in dispenser
Go out cabbage caterpillar, the vegetable insecticide especially prepared according to embodiment 5, dish can be thoroughly killed after diluting 800~1000 times of dispensers
Blue or green worm, positive effect are better than the chrysanthemum such as vegetable insecticide and decis esters desinsection disclosed in patent application 200710177698.4
Agent, has efficiently, thoroughly distinguishing feature.
3 vegetable insecticide of experimental example tests vegetable safety
(1) experiment material：Chinese cabbage, the vegetable insecticide prepared according to embodiment 1 and embodiment 3
(2) experimental method：15 cells are randomly choosed in field, per 0.03 mu of plot area, which is divided at random
For 3 groups, every group is selected 30 plants of progress plant height statistics at random.Desinsection dilution agent 800 times of (A1), 1000 that will be prepared according to embodiment 3
Again (A2), desinsection dilution agent 800 times (B1), 1000 times (B2) prepared according to embodiment 5 are formulated, and each dosage is pressed
30kg/ mus spray Chinese cabbage, control clear water (C1) processing, and laxative period sprayed 3 times, is divided into for the first time for one day for August 18 day in 2014
It is 8 a.m., is at 10 points in the morning for the second time, be 2 pm for the third time, is observed within 8th to September in 2014, measure and count plant height
With biomass result.
(3) experimental result
Influence of 3. vegetable insecticide of the present invention of table to Chinese cabbage height
As can be seen from Table 3, according to the embodiment of the present invention 3 and embodiment 5 prepared by high efficacy pesticide for plant, no
Only without the growth for suppressing Chinese cabbage, promote its growth, the vegetable insecticide prepared by especially according to embodiment 3, dilute on the contrary
Dispenser 20 days after releasing 800 times, plant strain growth rate are nearly 2 times of control group, and biomass accumulation also dramatically increases.It can be seen from the above that
Vegetable insecticide is very safe to Chinese cabbage, effect is remarkably promoted to Chinese cabbage growth, so as to increase yield.
Although above make description in detail to the present invention with a general description of the specific embodiments, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (8)
1. a kind of high efficacy pesticide for plant, it is characterised in that the active ingredient of the vegetable insecticide is by following mass fraction
Bulk pharmaceutical chemicals form：50 ~ 100 parts of chinaberry, 40 ~ 80 parts of tripterygium wilfordii, 30 ~ 70 parts of capsicum annum fasciculatum, 10 ~ 60 parts of tobacco leaf.
2. vegetable insecticide according to claim 1, it is characterised in that the active ingredient of the vegetable insecticide is by following
The bulk pharmaceutical chemicals composition of mass fraction：100 parts of chinaberry, 80 parts of tripterygium wilfordii, 40 parts of capsicum annum fasciculatum, 60 parts of tobacco leaf.
3. vegetable insecticide according to claim 1, it is characterised in that the vegetable insecticide includes 15 ~ 20% weight
The auxiliary agent of percentage.
4. vegetable insecticide according to claim 3, it is characterised in that the auxiliary agent is emulsifying agent, dispersant, synergist
Or stabilizer.
5. vegetable insecticide according to claim 4, it is characterised in that the emulsifying agent is commercially available agriculture breast 2201.
6. the preparation method of vegetable insecticide according to claim 4, comprises the following steps：
(1) bulk pharmaceutical chemicals are taken according to the parts by weight, mix and be ground into powder, it is spare；
(2) take step (1) mixed-powder again, add its 16 times of weights organic solvent be used for extract raw material pharmaceutically active ingredient 3 it is small when,
Again with ultrasonication extraction 1 ~ 2 it is small when, then passing to steam distillation solvent concentrates liquid, and liquid, which is concentrated into, raises liquid
Relative density is 1.1 ~ 1.2；
(3) add auxiliary agent in step (2) gained concentrated medicament and obtain mixed solution, auxiliary agent content is reached mixed solution weight
15~20%, after being sufficiently stirred, to obtain the final product.
7. the preparation method of vegetable insecticide according to claim 6, it is characterised in that the step (2) middle organic solvent
For 80% ~ 95% ethanol water.
8. vegetable insecticide according to claim 3 be used for prevent brevicoryne brassicae, cotten aphid, bollworm, heart-eating worm, red spider,
Mythimna separata, cabbage caterpillar, pear sucker, the purposes of tetranychid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610034662.XA CN105638767B (en) | 2016-01-19 | 2016-01-19 | A kind of high efficacy pesticide for plant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610034662.XA CN105638767B (en) | 2016-01-19 | 2016-01-19 | A kind of high efficacy pesticide for plant and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105638767A CN105638767A (en) | 2016-06-08 |
| CN105638767B true CN105638767B (en) | 2018-04-17 |
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| CN105941070A (en) * | 2016-06-29 | 2016-09-21 | 安徽省固镇县谷阳有机蔬菜专业合作社 | Pomegranate tree cultivation method |
| CN107410380A (en) * | 2017-09-18 | 2017-12-01 | 何玉莲 | A kind of ornamental plant flowers High-efficiency insecticidal pesticide reagent and preparation method thereof |
| CN109717210A (en) * | 2017-10-27 | 2019-05-07 | 丹阳市景林园园艺有限公司 | A kind of environment protecting plant insecticide |
| CN107827633A (en) * | 2017-12-14 | 2018-03-23 | 柳州市汉象教育咨询有限责任公司 | A kind of organic fertilizer of water resistant rice seedlings seedling blight and preparation method thereof |
| CN108934821A (en) * | 2018-06-28 | 2018-12-07 | 遵义天旺华胜种植有限公司 | The insect-pest cultural method of capsicum |
| CN108703160A (en) * | 2018-07-11 | 2018-10-26 | 合肥雪立歆农业科技有限公司 | The preparation method of one vegetative insecticide |
| CN109197910A (en) * | 2018-08-31 | 2019-01-15 | 深圳市必发达科技有限公司 | A kind of agricultural insecticide and its application method |
| CN110800730B (en) * | 2019-10-16 | 2021-11-19 | 吉林石油集团有限责任公司 | Vertical rod type camera device, spider netting prevention device, medicament and preparation method |
| CN110663711A (en) * | 2019-10-25 | 2020-01-10 | 苏银华 | Plant insecticide and production method thereof |
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