CN107873760A - A kind of pharmaceutical composition for killing leafhopper - Google Patents

Abstract

The invention discloses a kind of pharmaceutical composition for killing leafhopper, including crane wheatgrass extract, fructus ulmi extract, strong wind seed extract, Herba Cirsii extract, tiger Lei extracts, RENZICAO's extract, acupuncture needle head extract, Radix Curcumae extract, small fly upward extract and nimbin.Heretofore described pharmaceutical composition can targetedly kill leafhopper, it is and without any side effects to the natural enemy of leafhopper, security is good, it is biodegradable good, pollution-free and penetrating odor, no environment toxic action, in animal body noresidue, the ecological balance is not destroyed, crop growth environment is influenceed small；With preferable permeability and wettability, the central nervous system of polypide is disturbed, suppresses worm's ovum synthesis development, is not susceptible to drug resistance；Quick-acting is good, is adapted to the wide popularization and application in terms of control of insect.

Description

A kind of pharmaceutical composition for killing leafhopper

Technical field

The invention belongs to agricultural technology development field, in particular it relates to a kind of pharmaceutical composition for killing leafhopper.

Background technology

Chemical agent plays an important role in terms of crop pest control, but the residual of medicine causes nature The ecosystem is worsening, and this has turned into international common concern and key subjects urgently to be resolved hurrily.Since China, twentieth century Because single use chemical pesticide causes agricultural product harmful element exceeded, health and the existence of the people are directly endangered, therefore, state Family pays much attention to and formulated《Medium-term and long-term scientific and technical development program outline》, it is therefore intended that encourage research and development environment-friendly type fertilizer, agriculture Medicine." seeking speed " psychology of current peasant is incompatible, and most farmers are still selected using high poison, the chemical pesticide of high residue, this Chemical pesticide can use only for crop, i.e., kill each class pest for certain crop simultaneously.But this chemical pesticide exists Today of green and environmental protection is advocated, a variety of high poisons and high residue chemicals are limited the quantity or stopped production, further, since insect The difference of species, cause each class pest to occur larger difference in terms of the resistance to the action of a drug and drug resistance, so just make killing for chemical agent Easily there is resistance insect in worm effect, therefore propose to prevent specific insect from just seeming for the insect-proof agent of different insects to have very much must Will, but yet there are no corresponding report.

The content of the invention

It is good that the technical problems to be solved by the invention are to provide a kind of security, biodegradable good, pollution-free and excitant Smell, no environment toxic action, in animal body noresidue, specific aim kill the pharmaceutical composition of leafhopper.

Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of pharmaceutical composition for killing leafhopper, bag Include crane wheatgrass extract, fructus ulmi extract, strong wind seed extract, Herba Cirsii extract, tiger Lei extracts, RENZICAO's extract, Acupuncture needle head extract, Radix Curcumae extract, small fly upward extract and nimbin.

In order to which the present invention is better achieved, further, contain the crane equivalent to 30-40g crane wheatgrass medicinal materials per 100ml solution Wheatgrass extract, the fructus ulmi extract of 30-40g fructus ulmi medicinal materials, strong wind seed extract, the 30-40g of 30-40g chaulmoogra medicinal materials are small The Herba Cirsii extract of Ji medicinal material, the tiger Lei extracts of 30-40g tiger Lei medicinal materials, the RENZICAO of 30-40g RENZICAO's medicinal materials carry Take thing, 30-40g acupuncture needle head medicinal materials acupuncture needle head extract, Radix Curcumae extract, the 30-40g of 30-40g root tuber of aromatic turmeric medicinal materials are small flies upward medicine The small of material flies upward extract, crane wheatgrass extract, fructus ulmi extract, strong wind seed extract, Herba Cirsii extract, tiger Lei extractions Thing, RENZICAO's extract, acupuncture needle head extract, Radix Curcumae extract, the small usage ratio for flying upward extract medicinal material are 2：2：3：2： 3：1：3：1：4.

In order to which the present invention is better achieved, further, the dosage of the nimbin is 0.005g~5.0g/100ml.

In order to which the present invention is better achieved, further, the dosage of the nimbin is 0.05g~1.0g/100ml.

In order to which the present invention is better achieved, further, described pharmaceutical composition formulation is powder pin or freezed.

The preparation method of the pharmaceutical composition of above-mentioned poisoning leafhopper is prepared, is comprised the steps：

(1) pharmaceutical composition raw medicinal material crane wheatgrass 100g, fructus ulmi 100g, the chaulmoogra 150g of leafhopper, field thistle are killed 100g, tiger Lei 150g, RENZICAO 50g, acupuncture needle head 150g, root tuber of aromatic turmeric 100g, small fly upward 200g, nimbin 3g；

(2) crane wheatgrass, fructus ulmi, chaulmoogra add water to cook secondary, 2 hours every time, collecting decoction, add ethanol filtering and concentrating, Add 3 times of amount water, be sufficiently stirred, refrigerate 48 hours, filtration, it is about 1.15 that filtrate decompression, which is concentrated into relative density, and decoction is standby；

(3) field thistle, tiger Lei, RENZICAO, acupuncture needle head, root tuber of aromatic turmeric, it is small fly upward add water to cook it is secondary, 1 hour every time, merge decoct Liquid, filtration, filtrate is concentrated, is let cool, it is 65% to add ethanol to make containing amount of alcohol, stands overnight, filters, filtrate decompression is concentrated into relatively Density is 1.20, and it is 70% to add ethanol to make containing amount of alcohol, stands overnight, filters, it is 1.30 that filtrate, which is concentrated into relative density, adds 3 Amount water again, is sufficiently stirred, and refrigerates 48 hours, filtration, and it is 1.15 that filtrate, which is concentrated into relative density,

(4) merge with above-mentioned all decoctions, add 2 times of amount water, be sufficiently stirred, refrigerate 24 hours, filtration, filtrate adds print chinaberry Element and deionized water water are configured to 1000ml solution, stir evenly, the relative density when relative density of above-mentioned each filtrate is 80 DEG C；

(5) solution ph is adjusted to 6.5-8.5 with sodium hydroxide solution；

(6) filter, it is filling, sterilizing, produce.

The present invention compared with prior art, has advantages below and beneficial effect：

(1) heretofore described pharmaceutical composition can targetedly kill leafhopper, and to the natural enemy of leafhopper without any Toxic side effect, security is good, biodegradable good, pollution-free and penetrating odor, no environment toxic action, in animal body without residual Thing is stayed, does not destroy the ecological balance, crop growth environment is influenceed small；

(2) low raw-material cost used in heretofore described pharmaceutical composition, there is preferable permeability and wet Lubricant nature, easily breaks through leafhopper wax coat, and depth destroys the epidermal structure of polypide and internal protein, is not susceptible to leafhopper resistance to The property of medicine；

(3) heretofore described pharmaceutical composition can interfere with the central nervous system of polypide, suppress worm's ovum synthesis hair Educate；

(4) heretofore described pharmaceutical composition quick-acting is good, and after spray, leafhopper stopped eating dead in 20~40 minutes Die, be adapted to the wide popularization and application in terms of control of insect.

Embodiment

For the purpose of the present invention, process conditions and advantage effect is more clearly understood, with reference to following embodiment, to this Invention is described in further detail, but the implementation of the present invention is not limited to this, is not departing from the above-mentioned technological thought feelings of the present invention Under condition, according to ordinary skill knowledge and customary means, various replacements and change are made, the model of the present invention all should be included in In enclosing, specific implementation example described herein is not intended to limit the present invention only to explain the present invention.

Embodiment 1：

The present embodiment provides a kind of pharmaceutical composition for killing leafhopper, including crane wheatgrass extract, fructus ulmi extract, strong wind Seed extract, Herba Cirsii extract, tiger Lei extracts, RENZICAO's extract, acupuncture needle head extract, Radix Curcumae extract, small fly upward Extract and nimbin, its component are as follows：

Its preparation method：Crane wheatgrass, fructus ulmi, chaulmoogra add water to cook secondary, 2 hours every time, collecting decoction, add ethanol mistake Filter concentration, add 3 times of amount water, be sufficiently stirred, refrigerate 48 hours, filtration, it is about 1.15 that filtrate decompression, which is concentrated into relative density, decoction It is standby；Field thistle, tiger Lei, RENZICAO, acupuncture needle head, root tuber of aromatic turmeric, it is small fly upward add water to cook it is secondary, 1 hour every time, collecting decoction, filter Cross, concentrate filtrate, let cool, it is 65% to add ethanol to make containing amount of alcohol, stands overnight, filters, filtrate decompression is concentrated into relative density For 1.20, it is 70% to add ethanol to make containing amount of alcohol, stands overnight, filters, and filtrate is concentrated into relative density as 1.30, adds 3 times of amounts Water, it is sufficiently stirred, refrigerates 48 hours, filtration, filtrate is concentrated into relative density as 1.15；Merge with above-mentioned all decoctions, add 2 times Water is measured, is sufficiently stirred, is refrigerated 24 hours, filtration, filtrate adds nimbin and deionized water water is configured to 1000ml solution, stirs It is even, the relative density when relative density of above-mentioned each filtrate is 80 DEG C；Solution ph is adjusted to 6.5- with sodium hydroxide solution 8.5；Filtering, it is filling, sterilizing, produce.

Wherein, the process for adding ethanol filtering and concentrating is first to filter to get filtrate, and filtrate decompression is concentrated into relative density as 1.27 ~1.30, let cool, it is 65% to add ethanol to make containing amount of alcohol, stands overnight, filters, and decompression filtrate recycling ethanol is simultaneously concentrated into relative Density is 1.30.Filtrate is concentrated into relative density as 1.25~1.30.The mass percent of the sodium hydroxide solution used is 20%.Solution uses filtering with microporous membrane.

Embodiment 2：

The present embodiment verifies that the pharmaceutical composition insecticide common with market is compared, to the eradicative rate of leafhopper.

Choose insecticide common on the market：Pale purple purple spore bacterium aqua, nematode killing agent, the agent of special efficacy root line, thiamethoxam disinsection agent.

It is grouped according to different insecticides, every group prepares in worm's ovum, larva, the leafhopper of going out of adult three phases respectively Each 1000, insecticide is then used respectively to the leafhopper in each stage, tests the eradicative rate of every group of insecticide, such as following table It is shown：

Killing effect of the insecticide of table one to leafhopper

As seen from the above table, each group insecticide is the most excellent to larval leafhopper killing rate highest, the insecticidal effect of this product Good, insect killing effect is notable, and the worm's ovum for being most difficult to kill also has preferable insect killing effect.

Embodiment 3：

The present embodiment verifies eradicative rate of the pharmaceutical composition to various insects.

Choose chafer, beetle, mole cricket, heart-eating worm, pear sucker, scale insect, volume noctuid, leafhopper, fore-telling mud, root-knot nematode Each 10000, and be grouped respectively, the decoction of same concentrations is made in the medicine being prepared using embodiment 1, respectively to every group Insect is sprayed, and after 1 hour, checks the eradicative rate of various insects, as a result as shown in the table：

Insect killing effect of the medicine of table two to various insects

Group	Eradicative rate (%)
		Leafhopper	99.96
Chafer	10.32
		Beetle	9.65
Mole cricket	8.75
		Heart-eating worm	1.02
Pear sucker	0
		Scale insect	0
Root-knot nematode	1.01
		Roll up noctuid	0
Foretell mud	1.24

As seen from the above table, the medicine that embodiment 1 is prepared, only there is preferable insect killing effect to leafhopper, to other insects Insect killing effect it is very limited, thus its specific aim of provable this product is stronger, is only capable of using and being killed for leafhopper.

Claims (5)

1. a kind of pharmaceutical composition for killing leafhopper, it is characterised in that including crane wheatgrass extract, fructus ulmi extract, chaulmoogra Extract, Herba Cirsii extract, tiger Lei extracts, RENZICAO's extract, acupuncture needle head extract, Radix Curcumae extract, small fly upward carry Take thing and nimbin.

2. a kind of pharmaceutical composition for killing leafhopper according to claim 1, it is characterised in that contain phase per 100ml solution When in the crane wheatgrass extract of 30-40g crane wheatgrass medicinal materials, the fructus ulmi extract of 30-40g fructus ulmi medicinal materials, 30-40g chaulmoogra medicines The strong wind seed extract of material, the Herba Cirsii extract of 30-40g field thistle medicinal materials, 30-40g tiger Lei medicinal materials tiger Lei extracts, RENZICAO's extract of 30-40g RENZICAO's medicinal materials, the acupuncture needle head extract of 30-40g acupuncture needle head medicinal materials, 30-40g root tuber of aromatic turmeric medicinal materials Radix Curcumae extract, 30-40g is small flies upward the small of medicinal material and fly upward extract, crane wheatgrass extract, fructus ulmi extract, chaulmoogra carry Take thing, Herba Cirsii extract, tiger Lei extracts, RENZICAO's extract, acupuncture needle head extract, Radix Curcumae extract, small fly upward extraction The usage ratio of thing medicinal material is 2：2：3：2：3：1：3：1：4.

A kind of 3. pharmaceutical composition for killing leafhopper according to claim 1, it is characterised in that the dosage of the nimbin For 0.005g~5.0g/100ml.

A kind of 4. pharmaceutical composition for killing leafhopper according to claim 3, it is characterised in that the dosage of the nimbin For 0.05g~1.0g/100ml.

A kind of 5. pharmaceutical composition of poisoning leafhopper according to claim 1 ~ 4 any one, it is characterised in that the medicine Compositions formulation is powder pin or freezed.