CN112586517A - Natural plant insecticidal powder for aquatic products and preparation method thereof - Google Patents
Natural plant insecticidal powder for aquatic products and preparation method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N65/40—Liliopsida [monocotyledons]
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- 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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- 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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Abstract
The invention discloses natural plant insecticidal powder for aquatic products and a preparation method thereof, and belongs to the field of aquaculture. The composition comprises the following components in parts by weight: 30-70 parts of dried ginger, 5-20 parts of pomegranate bark, 10-30 parts of rangooncreeper fruit, 10-30 parts of chinaberry tree, 5-20 parts of radix stemonae, 20-40 parts of geranium wilfordii, 10-30 parts of garden balsam stem and 1-10 parts of eucalyptus essential oil. The invention takes ginger as the main material, pomegranate bark, rangooncreeper fruit, chinaberry and radix stemonae which have the same sterilization and disinsection effects are adopted, the mutual disinsection effect can be enhanced by the mixed use of the rangooncreeper fruit and the radix stemonae, and the good disinsection effect is realized on both internal parasites and body surface parasites. The skin surface permeability of fishes is improved, the permeation of liquid medicine into the skin is accelerated, so that the medicine is direct, the body surface parasites can be killed more directly and specifically, the insecticidal medicine is quick in effect, higher in insecticidal rate and natural and environment-friendly, the plant source stress is killed through the specific genes of the biological genes, and the parasites are prevented from generating antibodies.
Description
Technical Field
The invention relates to the field of aquaculture, in particular to natural plant insecticidal powder for aquatic products and a preparation method thereof.
Background
The parasitic diseases are the most common diseases in the aquaculture at present, have the characteristics of quick transmission, wide harm and great control difficulty, and mainly damage the aquaculture animals by destroying tissues and respiratory systems of the aquaculture animals and absorbing nutrient substances in the aquaculture animals, so that the meat quality of the aquaculture animals is reduced and even die, and huge economic loss is brought to the aquaculture industry. The main parasites in aquatic products are cryptotrichum gills, ciliates, trichodina, dactylogyrus, siphonostegia, ichthyophthirius multifiliis, schistosomiasis sinensis, clonorchis sinensis, cryptocaryon irritans and the like. Although more measures are taken for preventing and treating fish parasitic diseases at present, the method for preventing and treating the fish parasitic diseases and the drug use are required to meet the requirements of green food, and the principle of 'prevention is mainly, actively and cautiously used' is always adhered to. The currently used environment-friendly pesticide is mainly Youmalin, can treat parasitic diseases such as ichthyophthirius multifiliis, syphon cantonensis, trichodina and the like, has an antibacterial and disinfection effect, belongs to a high-efficiency and pollution-free drug for treating parasitic diseases, and can be safely used in green aquaculture. The product is a compound preparation for preventing and treating fish parasitic diseases, which is developed aiming at the parasitic diseases in green aquaculture; mainly treats fish diseases caused by parasites such as spider, dactylogyrus, ichthyophthirius multifiliis, sinergsilnaea, lernaea, shortleaf kyllinga and the like; the dosage is small, the effect is quick, the pollution to water is avoided, and the toxic and side effects on fish bodies are avoided; the method is widely applicable to various sea and fresh water fishes, including various famous aquatic products such as eel, pomfret, mandarin fish, weever and the like which are very sensitive to organophosphorus medicaments such as trichlorfon and the like, and the green cultivation can be safely used. Optionally, Chinese herbal medicine pesticide such as cortex Meliae, herba Artemisiae Annuae, Arecae semen, etc., can be sprinkled after soaking. And preparations such as 'fish feeding good' and the like can be selected, so that the parasite invasion can be safely and effectively treated.
Publication No. CN106538642A discloses a nano-silver water-purifying pesticide for aquaculture, which mainly adopts: 12-18 parts of nano silver, 15-25 parts of common cnidium fruit, 5-15 parts of radix bupleuri, 20-30 parts of radix stemonae, 4-6 parts of chinaberry bark, 6-8 parts of cyrtomium rhizome, 20-30 parts of eucalyptus leaves, 2-4 parts of mulberry leaves and 6-12 parts of tea leaves. The scheme mainly adopts nano silver to carry out water feeding sterilization, and then adds traditional Chinese medicine components with insecticidal effect, and mainly takes chinaberry, stemona and eucalyptus leaves with insecticidal effect as main components. Publication No. CN101961368A discloses a preparation method of an aquatic animal anthelmintic. Is mainly prepared by steaming and concentrating sweet wormwood, antifebrile dichroa and pomegranate rind and purifying with ethanol. Different insects are mainly killed by three different raw materials, but the effect is not obvious because the insecticidal effect of a single raw material is limited. Publication No. CN109106758A discloses a Chinese herbal medicine for use in aquaculture disinfestation, the main components of which are Melia azedarach bark and Melia azedarach fruit, and the effect is single. An aquatic product cultivation sterilizing and insect expelling agent disclosed in publication No. CN102948434A is prepared by mixing Coptidis rhizoma, cortex Phellodendri, mume fructus, semen Cucurbitae, Arecae semen, cortex Meliae, marine bios and water at a certain weight percentage. Publication No. CN103768544A discloses a plant insect repellent for aquaculture mainly by: allicin powder, matrine, capsaicin, ginger powder, chinaberry bark powder, areca seed powder and stemona root powder. By the sterilization function of garlic, matrine, capsaicin, ginger powder, chinaberry bark powder, areca seed powder and stemona root powder with insecticidal effect are matched. The technical scheme mainly uses garlic and ginger as main materials, and the garlic mainly generates volatile oil which can expel parasites and sterilize and reduce the reproduction of parasites in water. However, ginger has a certain effect of killing the ichthyophthirius multifiliis, but the insecticidal effect of ginger cannot be fully exerted. Matrine has effects only against Trichodina but has no insecticidal effect against other insects such as Trichophyton mentagrophytes, dactylogyrus, tapeworm, etc. Publication No. CN107969445A discloses a Chinese herbal medicine pesticide, which mainly comprises: 35-45 parts of chinaberry, 25-35 parts of radix sophorae flavescentis, 25-35 parts of Chinese sweetgum leaf, 20-30 parts of polygonum flaccidum, 15-25 parts of cortex acanthopanacis, 15-25 parts of pomegranate rind, 10-20 parts of big tea leaves, 10-20 parts of ginger, 5-10 parts of radix stemonae, 3-6 parts of cyrtomium rhizome, 2-5 parts of schizonepeta and 4-8 parts of caulis perllae. The addition of chinaberry, lightyellow sophora root, pomegranate bark, ginger and stemona root which have great insecticidal effect has slow effect and large dosage of the drug.
Disclosure of Invention
In order to solve the problems, the invention provides the natural plant insecticidal powder for the aquatic products, which has the advantages of quick response, good insecticidal effect and reduced drug consumption.
Furthermore, the invention also provides a preparation method of the natural plant insecticidal powder for the aquatic products.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the natural plant insecticidal powder for the aquatic products comprises the following compositions in parts by weight: 30-70 parts of dried ginger, 5-20 parts of pomegranate bark, 10-30 parts of rangooncreeper fruit, 10-30 parts of chinaberry tree, 5-20 parts of radix stemonae, 20-40 parts of geranium wilfordii, 10-30 parts of garden balsam stem and 1-10 parts of eucalyptus essential oil.
Further, the natural plant insecticidal powder for the aquatic products comprises the following compositions in parts by weight: 40-60 parts of dried ginger, 10-15 parts of pomegranate bark, 15-20 parts of rangooncreeper fruit, 15-20 parts of chinaberry, 5-10 parts of radix stemonae, 30-35 parts of geranium wilfordii, 15-20 parts of garden balsam stem and 2-8 parts of eucalyptus essential oil.
Further, the natural plant insecticidal powder for the aquatic products comprises the following compositions in parts by weight: 55 parts of dried ginger, 15 parts of pomegranate bark, 18 parts of rangooncreeper fruit, 20 parts of chinaberry, 10 parts of radix stemonae, 33 parts of geranium wilfordii, 16 parts of garden balsam stem and 6 parts of eucalyptus essential oil.
A preparation method of natural plant insecticidal powder for aquatic products comprises the following steps:
(1) respectively crushing the dried ginger, the pomegranate bark, the rangooncreeper fruit, the chinaberry tree, the sessile stemona root, the geranium wilfordii and the garden balsam stem according to the parts by weight; adding ethanol, soaking for 8-12h, and filtering to obtain filtrate and residue; distilling and recovering 80% of ethanol in the filtrate to obtain a first extract.
(2) Adding clear water into the filter residue obtained in the step (1), decocting for 2-5h, filtering to obtain filtrate and filter residue, and concentrating the filtrate to obtain concentrated filtrate;
(3) and (3) fully mixing the first extract in the step (1) and the concentrated filtrate in the step (2), drying in vacuum to obtain powder, and fully mixing the powder, eucalyptus essential oil and a carrier to obtain the eucalyptus extract.
Further, in the step (3), the carrier is sodium carboxymethyl starch.
Further, the amount of the sodium carboxymethyl starch is 0.5-2 times of the weight of the eucalyptus essential oil.
Preferably, the amount of the sodium carboxymethyl starch is 1-1.2 times of the weight of the eucalyptus essential oil.
Further, the water content of the concentrated filtrate in the step (2) is 20-30%.
Further, the temperature of vacuum drying in the step (3) is 60-80 ℃.
Gan Jiang is cold in nature and toxic in toxicity, and its main action of killing parasites is. The dried ginger essential oil has a suppression tendency on nerve centers, can enable nerves of insects to generate a paralysis effect, reduce the activity of parasites, achieve accurate killing, enable the insects to die due to dyspnea, suppress the metabolism of insect pests and promote the efficacy of the pesticide.
Pomegranate rind contains a great amount of mixed substances and alkaloids, has antibacterial and antiviral effects, and can inhibit respiration after insect poisoning to achieve anthelmintic effect.
The rangooncreeper fruit has an insect expelling effect, contains potassium quisqualis and pyridine, and has a better effect when being mixed with the stemona root by conventional insect expelling compatibility. Also has antibacterial effect.
Stemona root, radix Stemonae, has the effects of dispelling heat and relieving exterior syndrome. Radix Stemonae has effects of moistening without dryness, clearing away heat, lowering qi, clearing lung heat, relieving exterior syndrome, and can be used for treating skin scabies, eczema, psoriasis, yellow swelling, dermatitis, eczema, etc., and killing parasites and louse. According to the record of the book Bencao Xin Shu Huo of Qing Dynasty medical science, radix Stemonae is beneficial to human beings to kill parasites without losing qi and blood, but the effect can be achieved only by a little large amount of the required insecticide. It is externally used for treating head louse, body louse, enterobiasis, pudendum pruritus, ascariasis, etc.
The melia azedarach extract is mainly an ethanol extract, is bitter and cold and toxic, can clear heat and dry dampness, kill parasites and relieve itching, and has certain treatment effects on scabies, tinea capitis, tinea corporis, eczema and the like. The cortex Meliae ethanol extractive solution has different degrees of inhibiting effects on various pathogenic fungi, and also has effects of paralysis of insect nerve, and reducing activity and metabolism of insect.
Geranium wilfordii: is also named as Geranium wilfordii, herba seu radix Callicarpae Giraldii, rhizoma Osmundae, and herba Eleusines Indicae. For treating rheumatism, activating blood and vessels, and dredging collaterals, it is often applied to symptoms such as rheumatalgia, rheumatism paralysis, limb numbness, traumatic injury, etc. It can supplement vitamins, resist bacteria, inhibit various pathogenic bacteria, and resist oxidation and inflammation.
Garden balsam stem: also known as herb of Qucao, Musca et Geranii, etc. Nature and taste: sweet, pungent and warm. Meridian tropism: enter lung and liver meridians. The external washing medicine has the characteristics of guiding the medicine to penetrate into channels and collaterals and blood vessels, dispelling wind, promoting blood circulation and relieving pain. The invention mainly introduces the medicine into the skin, so that the medicine can act quickly, and the traditional Chinese medicine has quick effect.
The eucalyptus essential oil mainly contains citronellal, eucalyptol and other substances, and the emitted taste can stimulate parasites, paralyze parasite nerves, reduce activity and increase insecticidal effect. Especially effective in expelling and killing ichthyophthirius multifiliis and preventing insect pest.
The invention relates to a natural plant insecticidal powder for aquatic products and a preparation method thereof, and the natural plant insecticidal powder has the beneficial effects that:
(1) the invention takes ginger as the main material, pomegranate bark, rangooncreeper fruit, chinaberry and radix stemonae which have the same sterilization and disinsection effects are adopted, the mutual disinsection effect can be enhanced by the mixed use of the rangooncreeper fruit and the radix stemonae, and the good disinsection effect is realized on both internal parasites and body surface parasites. The natural environment-friendly insect killer is environment-friendly, and the insect killing is carried out on the stress of a plant source through the specific genes of the biological genes, so that the parasite is prevented from generating antibodies.
(2) The geranium wilfordii and garden balsam stem are added into the invention. The geranium and garden balsam stem have the bactericidal effect, and can improve the permeability of the skin surface layer of fishes, accelerate the permeation of liquid medicine into the skin, enable the medicine to be direct, kill parasites on the body surface more directly and specifically, enable the insecticidal medicine to take effect quickly and have higher insecticidal rate.
(3) The components of the insect repellent all contain volatile substances, and the volatile substances have pungent smell and can repel insects and kill insects. In the preparation method, firstly, volatile substances are extracted by ethanol, the volatile substances are stored to the maximum, then, effective substances which are not easy to be extracted by water boiling are extracted and concentrated to obtain the active substances, and finally, sodium carboxymethyl starch is used as a carrier. Sodium carboxymethyl starch is the water-soluble material, can dissolve and form the colloid in aqueous, suspends in aqueous, can also adsorb the medicine powder of extraction, makes the medicine dispersion more even, and the active ingredient of medicine is difficult to volatilize more and deposit, and the insecticidal range is wider, and the insecticidal effect is more lasting, has reduced the quantity of powder. And the sodium carboxymethyl starch can also change the osmotic pressure of water, so that parasites, particularly the ichthyophthirius multifiliis can be quickly separated from the surface of the fish body, and quick and thorough insect killing is achieved. The sodium carboxymethyl starch can also be eaten and is brought into the fish body to provide nutrient substances for the fish.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
Example 1
The natural plant insecticidal powder for the aquatic products comprises the following compositions in parts by weight: 70 parts of dried ginger, 5 parts of pomegranate bark, 10 parts of rangooncreeper fruit, 10 parts of chinaberry, 5 parts of radix stemonae, 20 parts of geranium wilfordii, 10 parts of garden balsam stem and 1 part of eucalyptus essential oil.
The preparation method of the natural plant insecticidal powder for the aquatic products in the embodiment comprises the following steps:
(1) respectively crushing the dried ginger, the pomegranate bark, the rangooncreeper fruit, the chinaberry tree, the sessile stemona root, the geranium wilfordii and the garden balsam stem according to the parts by weight; adding ethanol, soaking for 12h, and filtering to obtain filtrate and residue; distilling and recovering 80% of ethanol in the filtrate to obtain a first extract.
(2) Adding clear water into the filter residue obtained in the step (1), wherein the solid-to-liquid ratio of the filter residue to the clear water is 1: 1, decocting for 2 hours, filtering to obtain filtrate and filter residue, and concentrating the filtrate until the water content is 30% to obtain concentrated filtrate;
(3) and (3) fully mixing the first extract in the step (1) and the concentrated filtrate in the step (2), drying in vacuum at the temperature of 70 ℃ to obtain powder, and fully mixing the powder with eucalyptus essential oil and a sodium carboxymethyl starch carrier with the weight being 1.2 times that of the eucalyptus essential oil to obtain the eucalyptus essential oil.
The use method I comprises the following steps: the total amount of the active ingredients is 2-3g/m3。
The use method II comprises the following steps: mixing the materials according to the weight ratio of 2% and feeding.
Example 2
The natural plant insecticidal powder for the aquatic products comprises the following compositions in parts by weight: 30 parts of dried ginger, 20 parts of pomegranate bark, 30 parts of rangooncreeper fruit, 30 parts of chinaberry, 20 parts of radix stemonae, 40 parts of geranium wilfordii, 30 parts of garden balsam stem and 10 parts of eucalyptus essential oil.
The preparation method of the natural plant insecticidal powder for the aquatic products in the embodiment comprises the following steps:
(1) respectively crushing the dried ginger, the pomegranate bark, the rangooncreeper fruit, the chinaberry tree, the sessile stemona root, the geranium wilfordii and the garden balsam stem according to the parts by weight; adding ethanol, soaking for 8h, and filtering to obtain filtrate and residue; distilling and recovering 80% of ethanol in the filtrate to obtain a first extract.
(2) Adding clear water into the filter residue obtained in the step (1), wherein the solid-to-liquid ratio of the filter residue to the clear water is 1: 1.5, decocting for 5 hours, filtering to obtain filtrate and filter residue, and concentrating the filtrate until the water content is 30% to obtain concentrated filtrate;
(3) and (3) fully mixing the first extract in the step (1) and the concentrated filtrate in the step (2), drying in vacuum at the temperature of 80 ℃ to obtain powder, and fully mixing the powder with eucalyptus essential oil and a sodium carboxymethyl starch carrier with the weight 2 times that of the eucalyptus essential oil to obtain the eucalyptus essential oil.
The use method I comprises the following steps: the total amount of the active ingredients is 2-3g/m3。
The use method II comprises the following steps: mixing the materials according to the weight ratio of 2% and feeding.
Example 3
The natural plant insecticidal powder for the aquatic products comprises the following compositions in parts by weight: 40 parts of dried ginger, 15 parts of pomegranate bark, 15 parts of rangooncreeper fruit, 20 parts of chinaberry, 10 parts of radix stemonae, 30 parts of geranium wilfordii, 15 parts of garden balsam stem and 8 parts of eucalyptus essential oil.
The preparation method of the natural plant insecticidal powder for the aquatic products in the embodiment comprises the following steps:
(1) respectively crushing the dried ginger, the pomegranate bark, the rangooncreeper fruit, the chinaberry tree, the sessile stemona root, the geranium wilfordii and the garden balsam stem according to the parts by weight; adding ethanol, soaking for 10h, and filtering to obtain filtrate and residue; distilling and recovering 80% of ethanol in the filtrate to obtain a first extract.
(2) Adding clear water into the filter residue obtained in the step (1), wherein the solid-to-liquid ratio of the filter residue to the clear water is 1: 1.5, decocting for 3 hours, filtering to obtain filtrate and filter residue, and concentrating the filtrate until the water content is 30% to obtain concentrated filtrate;
(3) and (3) fully mixing the first extract in the step (1) and the concentrated filtrate in the step (2), drying in vacuum at the temperature of 80 ℃ to obtain powder, and fully mixing the powder with eucalyptus essential oil and a sodium carboxymethyl starch carrier with the weight being 0.5 time that of the eucalyptus essential oil to obtain the eucalyptus essential oil.
The use method I comprises the following steps: the total amount of the active ingredients is 2-3g/m3。
The use method II comprises the following steps: mixing the materials according to the weight ratio of 2% and feeding.
Example 4
The natural plant insecticidal powder for the aquatic products comprises the following compositions in parts by weight: 60 parts of dried ginger, 10 parts of pomegranate bark, 20 parts of rangooncreeper fruit, 15 parts of chinaberry, 5 parts of radix stemonae, 35 parts of geranium wilfordii, 15 parts of garden balsam stem and 2 parts of eucalyptus essential oil.
The preparation method of the natural plant insecticidal powder for the aquatic products in the embodiment comprises the following steps:
(1) respectively crushing the dried ginger, the pomegranate bark, the rangooncreeper fruit, the chinaberry tree, the sessile stemona root, the geranium wilfordii and the garden balsam stem according to the parts by weight; adding ethanol, soaking for 10h, and filtering to obtain filtrate and residue; distilling and recovering 80% of ethanol in the filtrate to obtain a first extract.
(2) Adding clear water into the filter residue obtained in the step (1), wherein the solid-to-liquid ratio of the filter residue to the clear water is 1: 1.5, decocting for 3 hours, filtering to obtain filtrate and filter residue, and concentrating the filtrate until the water content is 30% to obtain concentrated filtrate;
(3) and (3) fully mixing the first extract in the step (1) and the concentrated filtrate in the step (2), drying in vacuum at the temperature of 80 ℃ to obtain powder, and fully mixing the powder with eucalyptus essential oil and a sodium carboxymethyl starch carrier with the weight being 1.5 times that of the eucalyptus essential oil to obtain the eucalyptus essential oil.
The use method I comprises the following steps: the total amount of the active ingredients is 2-3g/m3。
The use method II comprises the following steps: mixing the materials according to the weight ratio of 2% and feeding.
Example 5
The natural plant insecticidal powder for the aquatic products comprises the following compositions in parts by weight: 55 parts of dried ginger, 15 parts of pomegranate bark, 18 parts of rangooncreeper fruit, 20 parts of chinaberry, 10 parts of radix stemonae, 33 parts of geranium wilfordii, 16 parts of garden balsam stem and 6 parts of eucalyptus essential oil.
The preparation method of the natural plant insecticidal powder for the aquatic products in the embodiment comprises the following steps:
(1) respectively crushing the dried ginger, the pomegranate bark, the rangooncreeper fruit, the chinaberry tree, the sessile stemona root, the geranium wilfordii and the garden balsam stem according to the parts by weight; adding ethanol, soaking for 8h, and filtering to obtain filtrate and residue; distilling and recovering 80% of ethanol in the filtrate to obtain a first extract.
(2) Adding clear water into the filter residue obtained in the step (1), wherein the solid-to-liquid ratio of the filter residue to the clear water is 1: 1.5, decocting for 2 hours, filtering to obtain filtrate and filter residue, and concentrating the filtrate until the water content is 30% to obtain concentrated filtrate;
(3) and (3) fully mixing the first extract in the step (1) and the concentrated filtrate in the step (2), drying in vacuum at the temperature of 80 ℃ to obtain powder, and fully mixing the powder with eucalyptus essential oil and a sodium carboxymethyl starch carrier with the weight being 1.2 times that of the eucalyptus essential oil to obtain the eucalyptus essential oil.
The use method I comprises the following steps: the total amount of the active ingredients is 2-3g/m3。
The use method II comprises the following steps: mixing the materials according to the weight ratio of 2% and feeding.
Experimental reports
The 1 region weever culture pond is found to be infected with a large amount of lernaea.
2, discovering the crucian breeding pond infected with a large number of rotifers
And 3, discovering the infected water melon worms in the yellow pepper breeding pond.
And 4, discovering the infected ciliates in the river crab culture pond.
5-region prawn culture pond. A large amount of ciliates are parasitized on the body surface of the prawns.
The powder obtained in example 5 was used to kill insects in the infected area, and copper sulfate, Youmalin, Yuchongshaxing and Sophora flavescens powder were used in the amount of 1.5g/m3The obtained experimental data are shown in table 1;
TABLE 1
As can be seen from the above table, the pesticide of the invention has good insecticidal effect on Trichoderma, lernaea, Paeniculus cucurbitae and ciliates, and the insecticidal effect in the first day can reach more than 50%, and the effect is quick.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (8)
1. A natural plant insecticidal powder for aquatic products is characterized in that: the composition comprises the following components in parts by weight: 30-70 parts of dried ginger, 5-20 parts of pomegranate bark, 10-30 parts of rangooncreeper fruit, 10-30 parts of chinaberry tree, 5-20 parts of radix stemonae, 20-40 parts of geranium wilfordii, 10-30 parts of garden balsam stem and 1-10 parts of eucalyptus essential oil.
2. The aquatic natural plant pesticide powder as set forth in claim 1, wherein: the composition comprises the following components in parts by weight: 40-60 parts of dried ginger, 10-15 parts of pomegranate bark, 15-20 parts of rangooncreeper fruit, 15-20 parts of chinaberry, 5-10 parts of radix stemonae, 30-35 parts of geranium wilfordii, 15-20 parts of garden balsam stem and 2-8 parts of eucalyptus essential oil.
3. The aquatic natural plant pesticide powder as set forth in claim 1, wherein: the composition comprises the following components in parts by weight: 55 parts of dried ginger, 15 parts of pomegranate bark, 18 parts of rangooncreeper fruit, 20 parts of chinaberry, 10 parts of radix stemonae, 33 parts of geranium wilfordii, 16 parts of garden balsam stem and 6 parts of eucalyptus essential oil.
4. A method for preparing a natural botanical insecticidal powder for aquatic products according to any of claims 1-3, wherein: the method comprises the following steps:
(1) respectively crushing the dried ginger, the pomegranate bark, the rangooncreeper fruit, the chinaberry tree, the sessile stemona root, the geranium wilfordii and the garden balsam stem according to the parts by weight; adding ethanol, soaking for 8-12h, and filtering to obtain filtrate and residue; distilling and recovering 80% of ethanol in the filtrate to obtain a first extract.
(2) Adding clear water into the filter residue obtained in the step (1), decocting for 2-5h, filtering to obtain filtrate and filter residue, and concentrating the filtrate to obtain concentrated filtrate;
(3) and (3) fully mixing the first extract in the step (1) and the concentrated filtrate in the step (2), drying in vacuum to obtain powder, and fully mixing the powder, eucalyptus essential oil and a carrier to obtain the eucalyptus extract.
5. The method for preparing the natural plant insecticidal powder for aquatic products according to claim 4, wherein the natural plant insecticidal powder comprises: in the step (3), the carrier is sodium carboxymethyl starch.
6. The method for preparing the natural plant insecticidal powder for aquatic products according to claim 4, wherein the natural plant insecticidal powder comprises: the dosage of the sodium carboxymethyl starch is 0.5-2 times of the weight of the eucalyptus essential oil.
7. The method for preparing the natural plant insecticidal powder for aquatic products according to claim 4, wherein the natural plant insecticidal powder comprises: the water content of the concentrated filtrate in the step (2) is 20-30%.
8. The method for preparing the natural plant insecticidal powder for aquatic products according to claim 4, wherein the natural plant insecticidal powder comprises: the temperature of vacuum drying in the step (3) is 60-80 ℃.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113577163A (en) * | 2021-08-06 | 2021-11-02 | 河南东灿生物科技有限公司 | Aquaculture insect repellent and preparation method thereof |
| CN115845015A (en) * | 2022-11-09 | 2023-03-28 | 南京众成正源生物技术有限公司 | Plant source composite preparation for expelling/inhibiting insects in aquaculture and preparation method thereof |
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| CN112007135A (en) * | 2020-08-24 | 2020-12-01 | 四川华蜀动物药业有限公司 | Natural botanical insecticide for aquatic products and preparation method thereof |
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| CN112007135A (en) * | 2020-08-24 | 2020-12-01 | 四川华蜀动物药业有限公司 | Natural botanical insecticide for aquatic products and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113577163A (en) * | 2021-08-06 | 2021-11-02 | 河南东灿生物科技有限公司 | Aquaculture insect repellent and preparation method thereof |
| CN115845015A (en) * | 2022-11-09 | 2023-03-28 | 南京众成正源生物技术有限公司 | Plant source composite preparation for expelling/inhibiting insects in aquaculture and preparation method thereof |
| CN115845015B (en) * | 2022-11-09 | 2023-11-17 | 南京众成正源生物技术有限公司 | Plant source composite preparation for expelling/inhibiting insects in aquaculture and preparation method thereof |
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