CN107788037A - A kind of efficiently scale insect killing agent - Google Patents

Abstract

The invention discloses a kind of efficiently scale insect killing agent, including Rhizoma Osmundae extract, black false hellebore extract, Nidus Vespae extract, cucurbit tea extraction, Herba Dianthi extract, peel extract, acalyphae,herba extract, cortex fraxini extract, houttuynia extract and nimbin.Heretofore described pharmaceutical composition can targetedly kill scale insect, it is and without any side effects to the natural enemy of scale insect, 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 efficiently scale insect killing agent

Technical field

The invention belongs to agricultural technology development field, in particular it relates to a kind of efficiently scale insect killing agent.

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 scale insect.

Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of efficiently scale insect killing agent, including pass through Many extracts, black false hellebore extract, Nidus Vespae extract, cucurbit tea extraction, Herba Dianthi extract, peel extract, acalyphae,herba extraction Thing, cortex fraxini extract, houttuynia extract and nimbin.

In order to which the present invention is better achieved, further, contain the rhizome of cyrtomium equivalent to 15-30g rhizome of cyrtomium medicinal materials per 100ml solution Extract, the black false hellebore extract of 15-30g black false hellebore medicinal materials, the Nidus Vespae extract of 15-30g honeycomb medicinal materials, 15-30g desmodium triquetrum medicinal materials Cucurbit tea extraction, the Herba Dianthi extract of 15-30g fringed pink medicinal materials, the peel extract of 15-30g rascal medicinal materials, 15-30g blood See that the acalyphae,herba extract of anxious medicinal material, the cortex fraxini extract of 15-30g bark of ash medicinal materials, the cordate houttuynia of 15-30g Herba Houttuyniaes carry Thing is taken, Rhizoma Osmundae extract, black false hellebore extract, Nidus Vespae extract, cucurbit tea extraction, Herba Dianthi extract, peel extract, blood are shown in Anxious extract, cortex fraxini extract, the usage ratio of houttuynia extract medicinal material are 3：2：1：3：3：1：3：1：4.

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 scale insect is prepared, is comprised the steps：

(1) pharmaceutical composition raw medicinal material rhizome of cyrtomium 150g, black false hellebore 100g, the honeycomb 50g of scale insect, desmodium triquetrum are killed 150g, fringed pink 150g, rascal 50g, acalyphae,herba 150g, bark of ash 100g, cordate houttuynia 200g, nimbin 3g；

(2) rhizome of cyrtomium, black false hellebore, honeycomb add water to cook secondary, 2 hours every time, collecting decoction, add ethanol filtering and concentrating, add 3 times Water is measured, is sufficiently stirred, is refrigerated 48 hours, filtration, it is about 1.15 that filtrate decompression, which is concentrated into relative density, and decoction is standby；

(3) desmodium triquetrum, fringed pink, rascal, acalyphae,herba, the bark of ash, cordate houttuynia add water to cook secondary, 1 hour every time, merge and 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 scale insect, and to the natural enemy of scale insect without Any toxic side effect, security is good, 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；

(2) low raw-material cost used in heretofore described pharmaceutical composition, there is preferable permeability and wet Lubricant nature, easily breaks through scale insect wax coat, and depth destroys the epidermal structure of polypide and internal protein, makes scale insect be not easy to send out Raw drug resistance；

(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, scale insect was stopped eating in 20~40 minutes Death, it is 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 efficiently scale insect killing agent, including the extraction of Rhizoma Osmundae extract, black false hellebore extract, honeycomb Thing, cucurbit tea extraction, Herba Dianthi extract, peel extract, acalyphae,herba extract, cortex fraxini extract, houttuynia extract and Nimbin, its component are as follows：

Its preparation method：Rhizome of cyrtomium, black false hellebore, honeycomb add water to cook it is secondary, 2 hours every time, collecting decoction, add ethanol filtering it is dense Contracting, 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 With；Desmodium triquetrum, fringed pink, rascal, acalyphae,herba, the bark of ash, cordate houttuynia add water to cook it is secondary, 1 hour every time, collecting decoction, filtration, it is dense Contracting filtrate, lets cool, and it is 65% to add ethanol to make containing amount of alcohol, stands overnight, filters, filtrate decompression is concentrated into relative density and is 1.20, it is 70% to add ethanol to make containing amount of alcohol, stands overnight, filters, and it is 1.30 that filtrate, which is concentrated into relative density, adds 3 times of amount 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 of amounts Water, it is sufficiently stirred, refrigerates 24 hours, filtration, filtrate adds nimbin and deionized water water is configured to 1000ml solution, stirs evenly, The relative density when relative density of above-mentioned each filtrate is 80 DEG C；Solution ph is adjusted to 6.5-8.5 with sodium hydroxide solution； 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 scale insect.

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 shell that goes out of adult three phases respectively Each 1000 of worm, then uses insecticide respectively to the scale insect in each stage, tests the eradicative rate of every group of insecticide, such as Shown in following table：

Killing effect of the insecticide of table one to scale insect

As seen from the above table, each group insecticide is to larval scale insect killing rate highest, and the insecticidal effect of this product is the most Excellent, 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 (%)
		Scale insect	99.96
Chafer	10.32
		Beetle	9.65
Mole cricket	8.75
		Heart-eating worm	1.02
Pear sucker	0
		Leafhopper	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 scale insect, to other evils The insect killing effect of worm is very limited, and thus its specific aim of provable this product is stronger, is only capable of using killing for scale insect.

Claims (5)

1. a kind of efficiently scale insect killing agent, it is characterised in that including Rhizoma Osmundae extract, black false hellebore extract, Nidus Vespae extract, calabash Reed tea extraction, Herba Dianthi extract, peel extract, acalyphae,herba extract, cortex fraxini extract, houttuynia extract and print chinaberry Element.

A kind of 2. efficiently scale insect killing agent according to claim 1, it is characterised in that contain per 100ml solution equivalent to The Rhizoma Osmundae extract of 15-30g rhizome of cyrtomium medicinal materials, the black false hellebore extract of 15-30g black false hellebore medicinal materials, the honeycomb of 15-30g honeycomb medicinal materials carry Take thing, the cucurbit tea extraction of 15-30g desmodium triquetrum medicinal materials, the Herba Dianthi extract of 15-30g fringed pink medicinal materials, 15-30g rascal medicinal materials Peel extract, acalyphae,herba extract, cortex fraxini extract, the 15-30g of 15-30g bark of ash medicinal materials of 15-30g acalyphae,herba medicinal materials The houttuynia extract of Herba Houttuyniae, Rhizoma Osmundae extract, black false hellebore extract, Nidus Vespae extract, cucurbit tea extraction, fringed pink carry It is 3 to take thing, peel extract, acalyphae,herba extract, cortex fraxini extract, the usage ratio of houttuynia extract medicinal material：2：1：3： 3：1：3：1：4.

3. a kind of efficiently scale insect killing agent according to claim 1, it is characterised in that the dosage of the nimbin is 0.005g~5.0g/100ml.

4. a kind of efficiently scale insect killing agent according to claim 3, it is characterised in that the dosage of the nimbin is 0.05g~1.0g/100ml.

A kind of 5. efficiently scale insect killing agent according to claim 1 ~ 4 any one, it is characterised in that the medicine group Compound formulation is powder pin or freezed.