CN106490068A - Vegetable insecticide and its preparation method and application - Google Patents
Vegetable insecticide and its preparation method and application Download PDFInfo
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- CN106490068A CN106490068A CN201610905241.XA CN201610905241A CN106490068A CN 106490068 A CN106490068 A CN 106490068A CN 201610905241 A CN201610905241 A CN 201610905241A CN 106490068 A CN106490068 A CN 106490068A
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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
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/46—Stemonaceae [Stemona family], e.g. croomia
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Abstract
The invention discloses vegetative insecticide and its preparation method and application, it is related to botanical pesticide technical field, the insecticide includes at least one plant extraction liquid, plant extraction liquid is selected from Radix Sophorae Flavescentis extractive liquid, Melia azedarach L. extracting solution, Exocarpium Juglandis Immaturus extracting solution, Gelsemium elegans Benth. extracting solution or Radix Stemonae extracting solution, the characteristics of vegetable insecticide has obvious, easy to use nontoxic, pollution-free and effect, integrated control low cost, it is pure plant preparation, Nonpoisonous, non-environmental-pollution, free from environmental pollution and safety and sanitation.
Description
Technical field
The present invention relates to prepare the technical field of insecticide with plant as raw material, more particularly, to a vegetative insecticide and
Its preparation method.
Background technology
At present, green waves are extended over the entire globe, and countries in the world give great attention to the protection of ecological environment.The whole world is every
Year is accounted for the 20%-40% of total harvest by the corn that pest and disease damage is ravaged, and in order to tackle these pest and disease damages, the whole world will produce 200 every year
Many ten thousand tons of pesticide are prevented and treated, China using insecticide majority be synthetic, in many pesticide containing chlorine, phosphorus organic
Thing, although can effectively kill insect, but remain in.For a long time
Since, due to using chemical pesticide in a large number, the pollution to ecological environment is not only caused, also make some disease pests generate certain journey
The resistance of degree, causes chemical pesticide consumption further to increase, while having during the event such as chemical pesticide pollution agricultural byproducts, subsoil water
Occur, a certain degree of threat is constituted to the mankind.With the increase of the safety consciousness of the mankind, meet environmental protection, health, sustainable development
The efficient of theory, low toxicity, low-residual, the pesticide developing being compatible with the environment, it has also become the theme of current pesticide research.
It is chemicals that conventional pesticides are most, and tanginess is unpleasant, and easily jeopardizes person poultry safety, has had a strong impact on ring
Border health and safety, from for green, environmental protection, ecology, all very unfavorable.
Content of the invention
It is an object of the invention to provide a vegetative insecticide, the insecticide have nontoxic, pollution-free and effect substantially,
The characteristics of easy to use, integrated control low cost.
Further object is that providing the method for producing insecticide.
For achieving the above object, the technical solution used in the present invention is as follows：
One vegetative insecticide, the insecticide include at least one plant extraction liquid.
Preferably, the plant extraction liquid is selected from Radix Sophorae Flavescentis extractive liquid, Melia azedarach L. extracting solution, Exocarpium Juglandis Immaturus extracting solution, Gelsemium elegans Benth.
Extracting solution or Radix Stemonae extracting solution.
Preferably, the insecticide is grouped into by the group of following weight portion：Radix Sophorae Flavescentis extractive liquid 1-5 parts, Melia azedarach L. extracting solution 1-5
Part, Exocarpium Juglandis Immaturus extracting solution 1-5 parts, Gelsemium elegans Benth. extracting solution 1-5 parts, Radix Stemonae extracting solution 1-5 parts
Preferably, the insecticide is grouped into by the group of following weight portion：
2 parts of Radix Sophorae Flavescentis extractive liquid, 3 parts of Melia azedarach L. extracting solution, 1 part of Exocarpium Juglandis Immaturus extracting solution, 2 parts of Gelsemium elegans Benth. extracting solution, the Radix Stemonae is carried
Take 2 parts of liquid.
Preferably, the Radix Sophorae Flavescentis extractive liquid is obtained by following methods：Radix Sophorae Flavescentiss are dipped in alcoholic solution, 45-50h is soaked,
The Radix Sophorae Flavescentis extractive liquid containing matrine is obtained；The Radix Sophorae Flavescentiss are 1 with the mass ratio of the alcoholic solution:2-1:5；Preferably, institute
The mass ratio that Radix Sophorae Flavescentiss are stated with the alcoholic solution is 1:3；The concentration of the alcoholic solution is 75wt%.
Preferably, the Melia azedarach L. extracting solution is obtained by following methods：The leaf or grain of Melia azedarach L. are dipped in deionized water, are soaked
45-50h, filtration, squeezing filtering residue obtain pressed liquor, and pressed liquor and filtrate are mixed to get Melia azedarach L. extracting solution；The Melia azedarach L. with
The mass ratio of the deionized water is 1:2-1:5；Preferably, the Melia azedarach L. is 1 with the mass ratio of the deionized water:3.
Preferably, the Exocarpium Juglandis Immaturus extracting solution is obtained by following methods：Exocarpium Juglandis Immaturus is dipped in deionized water, is soaked
10-15h, filters, and squeezing filtering residue obtains pressed liquor, and pressed liquor and filtrate are mixed to get Exocarpium Juglandis Immaturus extracting solution；The core
Fructus Persicae Pericarpium Citri Reticulatae Viride is the Exocarpium Juglandis Immaturus under just having taken off, and the Exocarpium Juglandis Immaturus is 1 with the mass ratio of the deionized water:2-1:5；Preferably,
The Exocarpium Juglandis Immaturus is 1 with the mass ratio of the deionized water:3.
Preferably, the Gelsemium elegans Benth. extracting solution is obtained by following methods：Gelsemium elegans Benth. is crushed, then plus deionized water immersion
45-50h, filters, and squeezing filtering residue obtains pressed liquor, and pressed liquor and filter liquor are mixed to prepare Gelsemium elegans Benth. extracting solution；Described heartbroken
The careless mass ratio with the deionized water is 1:2-1:5；Preferably, the Gelsemium elegans Benth. is 1 with the mass ratio of the deionized water:
3.
Preferably, the Radix Stemonae extracting solution is obtained by following methods：By in Radix Stemonae section immersion alcoholic solution, 45- is soaked
50h, is obtained Radix Stemonae extracting solution；The Radix Stemonae is 1 with the mass ratio of the alcoholic solution:2-1:5；Preferably, the Radix Stemonae with
The mass ratio of the alcoholic solution is 1:3；The concentration of the alcoholic solution is 75wt%.
Above-mentioned vegetable insecticide is used for preventing and treating tea geometrid, Iragoides fasciata, Pieris rapae and black peach aphid worm.
The preparation method of above-mentioned vegetable insecticide, the method comprise the steps：
Prepare Radix Sophorae Flavescentis extractive liquid, Melia azedarach L. extracting solution, Exocarpium Juglandis Immaturus extracting solution, Gelsemium elegans Benth. extracting solution or Radix Stemonae extracting solution；
By 2 parts of Radix Sophorae Flavescentis extractive liquids, 3 parts of Melia azedarach L. extracting solution, 1 part of Exocarpium Juglandis Immaturus extracting solution, 2 parts of Gelsemium elegans Benth. extracting solution and 2 parts
Radix Stemonae extracting solution mixes, and carries out heating concentration to mixed liquor, cools down, filters to get filtrate, and the filtrate is the vegetable insecticide；
The Radix Sophorae Flavescentis extractive liquid is obtained by following methods：Radix Sophorae Flavescentiss are dipped in alcoholic solution, 45-50h is soaked, are obtained and are contained
The Radix Sophorae Flavescentis extractive liquid of matrine；The Radix Sophorae Flavescentiss are 1 with the mass ratio of the alcoholic solution:2-1:5；Preferably, the Radix Sophorae Flavescentiss with
The mass ratio of the alcoholic solution is 1:3；The concentration of the alcoholic solution is 75wt%.
The Melia azedarach L. extracting solution is obtained by following methods：The leaf or grain of Melia azedarach L. are dipped in deionized water, immersion 45-50h,
Filter, squeezing filtering residue obtains pressed liquor, and pressed liquor and filtrate are mixed to get Melia azedarach L. extracting solution；The Melia azedarach L. with described go from
The mass ratio of sub- water is 1:2-1:5；Preferably, the Melia azedarach L. is 1 with the mass ratio of the deionized water:3.
The Exocarpium Juglandis Immaturus extracting solution is obtained by following methods：Exocarpium Juglandis Immaturus is dipped in deionized water, 10-15h is soaked,
Filter, squeezing filtering residue obtains pressed liquor, and pressed liquor and filtrate are mixed to get Exocarpium Juglandis Immaturus extracting solution；The Exocarpium Juglandis Immaturus is
Exocarpium Juglandis Immaturus under just having taken off, the Exocarpium Juglandis Immaturus are 1 with the mass ratio of the deionized water:2-1:5；Preferably, the Semen Juglandiss
Pericarpium Citri Reticulatae Viride is 1 with the mass ratio of the deionized water:3.
The Gelsemium elegans Benth. extracting solution is obtained by following methods：Gelsemium elegans Benth. is crushed, then plus deionized water immersion 45-50h,
Filter, squeezing filtering residue obtains pressed liquor, and pressed liquor and filter liquor are mixed to prepare Gelsemium elegans Benth. extracting solution；The Gelsemium elegans Benth. with described
The mass ratio of deionized water is 1:2-1:5；Preferably, the Gelsemium elegans Benth. is 1 with the mass ratio of the deionized water:3.
The Radix Stemonae extracting solution is obtained by following methods：By in Radix Stemonae section immersion alcoholic solution, 45-50h is soaked, is obtained
Radix Stemonae extracting solution；The Radix Stemonae is 1 with the mass ratio of the alcoholic solution:2-1:5；Preferably, the Radix Stemonae and the ethanol
The mass ratio of solution is 1:3；The concentration of the alcoholic solution is 75wt%.
The vegetable insecticide that the present invention is provided, with nontoxic, pollution-free and effect is obvious, easy to use, integrated control into
The characteristics of this is low, is pure plant preparation, Nonpoisonous, non-environmental-pollution, free from environmental pollution and safety and sanitation.
Specific embodiment
In order to be illustrated more clearly that the present invention, with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, and should not limit this with this
The protection domain of invention.
A large amount of uses of various chemical pesticides, cause crops toxin severe overweight, directly threaten the health of the mankind, this
The principle that invention counteracts each other according to all things on earth, constantly explores through for many years, tests repeatedly, have developed with plant extract element compounding
Insecticide.
The insecticide of the present invention contains at least one plant extraction liquid, chooses the plant with disinsection efficiency, takes water extraction
Or alcohol extraction, extracting solution is obtained, and according to certain ratio, the insecticide that various extracting solution are mixed to prepare compounding.
The plant of selection includes Radix Sophorae Flavescentiss, Melia azedarach L., Exocarpium Juglandis Immaturus, Gelsemium elegans Benth. and the Radix Stemonae.
By 2 parts of Radix Sophorae Flavescentis extractive liquids, 3 parts of Melia azedarach L. extracting solution, 1 part of Exocarpium Juglandis Immaturus extracting solution, 2 parts of Gelsemium elegans Benth. extracting solution and 2 parts
Radix Stemonae extracting solution mixes, and carries out heating concentration to mixed liquor, cools down, filters to get filtrate, and gained filtrate is vegetable insecticide；
Radix Sophorae Flavescentis extractive liquid is obtained by following methods：Radix Sophorae Flavescentiss are dipped in alcoholic solution, 45-50h is soaked, are obtained and are contained Radix Sophorae Flavescentiss
The Radix Sophorae Flavescentis extractive liquid of alkali；Radix Sophorae Flavescentiss are 1 with the mass ratio of alcoholic solution:2-1:5；The concentration of alcoholic solution is 75wt%.
Melia azedarach L. extracting solution is obtained by following methods：The leaf or grain of Melia azedarach L. are dipped in deionized water, immersion 45-50h, mistake
Filter, squeezing filtering residue obtain pressed liquor, and pressed liquor and filtrate are mixed to get Melia azedarach L. extracting solution；Melia azedarach L. and the quality of deionized water
Than for 1:2-1:5.
Exocarpium Juglandis Immaturus extracting solution is obtained by following methods：Exocarpium Juglandis Immaturus is dipped in deionized water, 10-15h, mistake is soaked
Filter, squeezing filtering residue obtain pressed liquor, and pressed liquor and filtrate are mixed to get Exocarpium Juglandis Immaturus extracting solution；Exocarpium Juglandis Immaturus is just to take off down
Exocarpium Juglandis Immaturus, the mass ratio of Exocarpium Juglandis Immaturus and deionized water is 1:2-1:5.
Gelsemium elegans Benth. extracting solution is obtained by following methods：Gelsemium elegans Benth. is crushed, then plus deionized water immersion 45-50h, mistake
Filter, squeezing filtering residue obtain pressed liquor, and pressed liquor and filter liquor are mixed to prepare Gelsemium elegans Benth. extracting solution；Gelsemium elegans Benth. and deionized water
Mass ratio is 1:2-1:5.
Radix Stemonae extracting solution is obtained by following methods：By in Radix Stemonae section immersion alcoholic solution, 45-50h is soaked, the Radix Stemonae is obtained
Extracting solution；The Radix Stemonae is 1 with the mass ratio of alcoholic solution:2-1:5；The concentration of alcoholic solution is 75wt%.
Embodiment 1
One vegetative insecticide include 2 parts of Radix Sophorae Flavescentis extractive liquids, 3 parts of Melia azedarach L. extracting solution, 1 part of Exocarpium Juglandis Immaturus extracting solution, 2 parts break
Intestinal grass extracting solution and 2 parts of Radix Stemonae extracting solution.
Radix Sophorae Flavescentis extractive liquid is that Radix Sophorae Flavescentiss are dipped in the alcoholic solution that concentration is 75wt%, soaks 48h, is obtained and contains matrine
Radix Sophorae Flavescentis extractive liquid；Radix Sophorae Flavescentiss are 1 with the mass ratio of alcoholic solution:3；
Melia azedarach L. extracting solution is that the leaf or grain of Melia azedarach L. are dipped in deionized water, and immersion 48h, filtration, squeezing filtering residue are pressed
Liquid is squeezed, pressed liquor and filtrate are mixed to get Melia azedarach L. extracting solution；Melia azedarach L. is 1 with the mass ratio of deionized water:3；
Exocarpium Juglandis Immaturus extracting solution is that Exocarpium Juglandis Immaturus is dipped in deionized water, soaks 12h, filters, and squeezing filtering residue is pressed
Liquid is squeezed, pressed liquor and filtrate are mixed to get Exocarpium Juglandis Immaturus extracting solution；Exocarpium Juglandis Immaturus is the Exocarpium Juglandis Immaturus under just having taken off, and Semen Juglandiss are blue or green
Skin is 1 with the mass ratio of deionized water:3；
Gelsemium elegans Benth. extracting solution be by Gelsemium elegans Benth. crush for 40 mesh fragment, then plus deionized water immersion 48h, filter, pressure
Squeeze filtering residue and obtain pressed liquor, pressed liquor and filter liquor are mixed to prepare Gelsemium elegans Benth. extracting solution；Gelsemium elegans Benth. and the quality of deionized water
Than for 1:3；
Radix Stemonae extracting solution is that the Radix Stemonae is cut into slices in alcoholic solution of the immersion concentration for 75wt%, soaks 48h, and the prepared Radix Stemonae is carried
Take liquid；The Radix Stemonae is 1 with the mass ratio of alcoholic solution:3；
By 2 parts of Radix Sophorae Flavescentis extractive liquids, 3 parts of Melia azedarach L. extracting solution, 1 part of Exocarpium Juglandis Immaturus extracting solution, 2 parts of Gelsemium elegans Benth. extracting solution and 2 parts
Radix Stemonae extracting solution mixes, and is heated to 95 DEG C, and mixed liquor is concentrated, filtering and concentrating liquid after room temperature natural cooling, and gained filtrate is plants
Thing insecticide.
Sprinkling after water dilution of the vegetable insecticide for obtaining with 500 times is used, as the vegetable insecticide is with plant
Refine for raw material, so, harmless to people and animals' low toxicity, there is no pollution to environment yet, be a kind of environmental protection of high-efficiency low-toxicity
Pesticide.
Embodiment 2
One vegetative insecticide include 5 parts of Radix Sophorae Flavescentis extractive liquids, 4 parts of Melia azedarach L. extracting solution, 1 part of Exocarpium Juglandis Immaturus extracting solution, 1 part break
Intestinal grass extracting solution and 5 parts of Radix Stemonae extracting solution.
Radix Sophorae Flavescentis extractive liquid is that Radix Sophorae Flavescentiss are dipped in the alcoholic solution that concentration is 75wt%, soaks 45h, is obtained and contains matrine
Radix Sophorae Flavescentis extractive liquid；Radix Sophorae Flavescentiss are 1 with the mass ratio of alcoholic solution:4；
Melia azedarach L. extracting solution is that the leaf or grain of Melia azedarach L. are dipped in deionized water, and immersion 45h, filtration, squeezing filtering residue are pressed
Liquid is squeezed, pressed liquor and filtrate are mixed to get Melia azedarach L. extracting solution；Melia azedarach L. is 1 with the mass ratio of deionized water:3；
Exocarpium Juglandis Immaturus extracting solution is that Exocarpium Juglandis Immaturus is dipped in deionized water, soaks 10h, filters, and squeezing filtering residue is pressed
Liquid is squeezed, pressed liquor and filtrate are mixed to get Exocarpium Juglandis Immaturus extracting solution；Exocarpium Juglandis Immaturus is the Exocarpium Juglandis Immaturus under just having taken off, and Semen Juglandiss are blue or green
Skin is 1 with the mass ratio of deionized water:4；
Gelsemium elegans Benth. extracting solution be by Gelsemium elegans Benth. crush for 40 mesh fragment, then plus deionized water immersion 45h, filter, pressure
Squeeze filtering residue and obtain pressed liquor, pressed liquor and filter liquor are mixed to prepare Gelsemium elegans Benth. extracting solution；Gelsemium elegans Benth. and the quality of deionized water
Than for 1:4；
Radix Stemonae extracting solution is that the Radix Stemonae is cut into slices in alcoholic solution of the immersion concentration for 75wt%, soaks 45h, and the prepared Radix Stemonae is carried
Take liquid；The Radix Stemonae is 1 with the mass ratio of alcoholic solution:4；
By 5 parts of Radix Sophorae Flavescentis extractive liquids, 4 parts of Melia azedarach L. extracting solution, 1 part of Exocarpium Juglandis Immaturus extracting solution, 1 part of Gelsemium elegans Benth. extracting solution and 5 parts
Radix Stemonae extracting solution, is heated to 90 DEG C, and mixed liquor is concentrated, filtering and concentrating liquid after room temperature natural cooling, and gained filtrate is plant and kills
Worm agent.
Embodiment 3
One vegetative insecticide include 1 part of Radix Sophorae Flavescentis extractive liquid, 1 part of Melia azedarach L. extracting solution, 5 parts of Exocarpium Juglandis Immaturus extracting solution, 5 parts break
Intestinal grass extracting solution and 1 part of Radix Stemonae extracting solution.
Radix Sophorae Flavescentis extractive liquid is that Radix Sophorae Flavescentiss are dipped in the alcoholic solution that concentration is 75wt%, soaks 50h, is obtained and contains matrine
Radix Sophorae Flavescentis extractive liquid；Radix Sophorae Flavescentiss are 1 with the mass ratio of alcoholic solution:5；
Melia azedarach L. extracting solution is that the leaf or grain of Melia azedarach L. are dipped in deionized water, and immersion 50h, filtration, squeezing filtering residue are pressed
Liquid is squeezed, pressed liquor and filtrate are mixed to get Melia azedarach L. extracting solution；Melia azedarach L. is 1 with the mass ratio of deionized water:3；
Exocarpium Juglandis Immaturus extracting solution is that Exocarpium Juglandis Immaturus is dipped in deionized water, soaks 15h, filters, and squeezing filtering residue is pressed
Liquid is squeezed, pressed liquor and filtrate are mixed to get Exocarpium Juglandis Immaturus extracting solution；Exocarpium Juglandis Immaturus is the Exocarpium Juglandis Immaturus under just having taken off, and Semen Juglandiss are blue or green
Skin is 1 with the mass ratio of deionized water:5；
Gelsemium elegans Benth. extracting solution be by Gelsemium elegans Benth. crush for 40 mesh fragment, then plus deionized water immersion 50h, filter, pressure
Squeeze filtering residue and obtain pressed liquor, pressed liquor and filter liquor are mixed to prepare Gelsemium elegans Benth. extracting solution；Gelsemium elegans Benth. and the quality of deionized water
Than for 1:5；
Radix Stemonae extracting solution is that the Radix Stemonae is cut into slices in alcoholic solution of the immersion concentration for 75wt%, soaks 50h, and the prepared Radix Stemonae is carried
Take liquid；The Radix Stemonae is 1 with the mass ratio of alcoholic solution:5；
By 1 part of Radix Sophorae Flavescentis extractive liquid, 1 part of Melia azedarach L. extracting solution, 5 parts of Exocarpium Juglandis Immaturus extracting solution, 5 parts of Gelsemium elegans Benth. extracting solution and 1 part
Radix Stemonae extracting solution, is heated to 100 DEG C, and mixed liquor is concentrated, filtering and concentrating liquid after room temperature natural cooling, and gained filtrate is plant and kills
Worm agent.
Vegetable insecticide prepared by embodiment 1 is tested, sample plot is tea place, vegetable plot and the fruit that Ba Pan towns buckle village
Garden, soil is yellow earth, middle fertility, 450 meters or so of height above sea level, 16.5 DEG C of average annual temperature, annual rainfall 1440-1540mm；Tea place
For first operation tea place, local tea variety is Fragrance Hill morning；Breeds of Chinese cabbage is short young white, plants 50 days；Planting fruit trees 3 years, kind are Huang
Fructus Persicae.Three pieces of sample plots are chosen in tea place, the area of every piece of sample plot is 33m2, plant prepared by plot sprinkling embodiment 1
Insecticide, second piece of ground sprinkling tetrachlorvinphos, the 3rd piece of ground is blank ground.
Three pieces of sample plots are chosen in vegetable plot, the area of every piece of sample plot is 33m2, the plot sprinkling preparation of embodiment 1
Vegetable insecticide, second piece of ground sprinkling tetrachlorvinphos, the 3rd piece of ground is blank ground.
Three pieces of sample plots are chosen in orchard, the area of every piece of sample plot is 33m2, the plot sprinkling preparation of embodiment 1
Vegetable insecticide, second piece of ground sprinkling tetrachlorvinphos, the 3rd piece of ground is blank ground.
In the respective first piece of vegetable insecticide that on the ground prepared by sprinkling embodiment 1 in tea place, vegetable plot and orchard, tea place,
Tetrachlorvinphos is sprayed in vegetable plot and respective second piece of orchard on the ground, and the respective 3rd piece of ground in tea place, vegetable plot and orchard is blank
Ground.
Three pieces of tea place prevent and treat the situation of tea geometrid as shown in table 1 on the ground, prevent and treat the situation of Iragoides fasciata as shown in table 2, table
Middle data are the statistical result after spraying 48 hours.
Table 1
Table 2
Three pieces of vegetable plot prevent and treat the situation of Pieris rapae as shown in table 3 on the ground, and in table, data are the statistics after spraying 48 hours
As a result.
Table 3
As shown in table 4, in table, data are the statistics knot after spraying 48 hours to the situation that three pieces of grounds in orchard prevent eliminating aphis
Really.
Table 4
From the point of view of by pesticide supplying effect and experimental observation, with rate of knockdown and mortality rate instant effect in tetrachlorvinphos 48 hours, but hold
The continuous time is short, and rate of knockdown and mortality rate slowly effect of the vegetable insecticide prepared by embodiment 1 in 48 hours, but it is little to continue 48
Shi Hou, vegetable insecticide still continuous and effective prepared by embodiment 1, duration of efficacy are long.
Finally it should be noted that：Various embodiments above only in order to technical scheme to be described, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a vegetative insecticide, it is characterised in that：The insecticide includes at least one plant extraction liquid.
2. vegetable insecticide according to claim 1, it is characterised in that the plant extraction liquid selected from Radix Sophorae Flavescentis extractive liquid,
Melia azedarach L. extracting solution, Exocarpium Juglandis Immaturus extracting solution, Gelsemium elegans Benth. extracting solution or Radix Stemonae extracting solution.
3. vegetable insecticide according to claim 2, it is characterised in that the insecticide is grouped by the group of following weight portion
Into：Radix Sophorae Flavescentis extractive liquid 1-5 parts, Melia azedarach L. extracting solution 1-5 parts, Exocarpium Juglandis Immaturus extracting solution 1-5 parts, Gelsemium elegans Benth. extracting solution 1-5 parts, the Radix Stemonae
Extracting solution 1-5 parts；Preferably, the insecticide is grouped into by the group of following weight portion：2 parts of Radix Sophorae Flavescentis extractive liquid, Melia azedarach L. extracting solution 3
Part, 1 part of Exocarpium Juglandis Immaturus extracting solution, 2 parts of Gelsemium elegans Benth. extracting solution, 2 parts of Radix Stemonae extracting solution.
4. vegetable insecticide according to claim 2, it is characterised in that：The Radix Sophorae Flavescentis extractive liquid is obtained by following methods：
Radix Sophorae Flavescentiss are dipped in alcoholic solution, 45-50h is soaked, the Radix Sophorae Flavescentis extractive liquid containing matrine is obtained；The Radix Sophorae Flavescentiss and the ethanol
The mass ratio of solution is 1:2-1:5；Preferably, the Radix Sophorae Flavescentiss are 1 with the mass ratio of the alcoholic solution:3；The alcoholic solution
Concentration be 75wt%.
5. vegetable insecticide according to claim 2, it is characterised in that：The Melia azedarach L. extracting solution is obtained by following methods：
The leaf or grain of Melia azedarach L. are dipped in deionized water, immersion 45-50h, filtration, squeezing filtering residue obtain pressed liquor, by pressed liquor and mistake
Filtrate is mixed to get Melia azedarach L. extracting solution；The Melia azedarach L. is 1 with the mass ratio of the deionized water:2-1:5；Preferably, the hardship
Chinaberry is 1 with the mass ratio of the deionized water:3.
6. vegetable insecticide according to claim 2, it is characterised in that：The Exocarpium Juglandis Immaturus extracting solution is by following method systems
?：Exocarpium Juglandis Immaturus is dipped in deionized water, 10-15h is soaked, is filtered, squeezing filtering residue obtains pressed liquor, by pressed liquor and filtration
Liquid is mixed to get Exocarpium Juglandis Immaturus extracting solution；The Exocarpium Juglandis Immaturus is the Exocarpium Juglandis Immaturus under just having taken off, and the Exocarpium Juglandis Immaturus is gone with described
The mass ratio of ionized water is 1:2-1:5；Preferably, the Exocarpium Juglandis Immaturus is 1 with the mass ratio of the deionized water:3.
7. vegetable insecticide according to claim 2, it is characterised in that：The Gelsemium elegans Benth. extracting solution is by following method systems
?：Gelsemium elegans Benth. is crushed, then plus deionized water immersion 45-50h, filter, squeezing filtering residue obtain pressed liquor, by pressed liquor and filter
Go out liquid and be mixed to prepare Gelsemium elegans Benth. extracting solution；The Gelsemium elegans Benth. is 1 with the mass ratio of the deionized water:2-1:5；Preferably, institute
The mass ratio that Gelsemium elegans Benth. is stated with the deionized water is 1:3.
8. vegetable insecticide according to claim 2, it is characterised in that：The Radix Stemonae extracting solution is obtained by following methods：
By in Radix Stemonae section immersion alcoholic solution, 45-50h is soaked, Radix Stemonae extracting solution is obtained；The matter of the Radix Stemonae and the alcoholic solution
Amount is than being 1:2-1:5；Preferably, the Radix Stemonae is 1 with the mass ratio of the alcoholic solution:3；The concentration of the alcoholic solution is
75wt%.
9. the application of vegetable insecticide as claimed in claim 2, it is characterised in that the insecticide be used for prevent and treat tea geometrid,
Iragoides fasciata, Pieris rapae and black peach aphid worm.
10. the preparation method of vegetable insecticide as claimed in claim 2, it is characterised in that the method comprises the steps：
By 1-5 part Radix Sophorae Flavescentis extractive liquids, 1-5 part Melia azedarach L. extracting solution, 1-5 part Exocarpium Juglandis Immaturus extracting solution, 1-5 part Gelsemium elegans Benth. extracting solution and
1-5 part Radixs Stemonae extracting solution mixes, and carries out heating concentration to mixed liquor, cools down, filters to get filtrate, and the filtrate is killed for the plant
Worm agent.
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