91 results about "Pine needle oil" patented technology

The invention discloses a composition for purifying air, a method for preparing the same and application of the same. The composition contains active ingredients which comprise the following plant essences: tea tree oil, eucalyptus oil, lemon oil, lavender oil, lemongrass oil, mace oil, wintergreen oil, bay oil, clove oil, pine needle oil, and castor oil; and the weight portion for the plant essences is 60 to 100. The weight percentage of the active ingredients is 55 to 100w / w percent of the gross weight of the composition.

The invention provides a plant source bacteriostasis and detoxification deodorant. The plant source bacteriostasis and detoxification deodorant is prepared by the following plant materials in parts by weight: 10-15 parts of tobacco stems, 12-20 parts of Ilex latifolia Thunb stems, 2-8 parts of Helianthus tuberosus Linn leaves, 5-15 parts of ginkgo biloba, 8-16 parts of capsaicin, 1-5 parts of tanshinone, 15-25 parts of orange peel, 2-8 parts of paeoniflorin, 1-5 parts of tea seed, 8-15 parts of ginger stems, 15-35 parts of wild chrysanthemum flower, 5-20 parts of garlic, 5-15 parts of ginger, 20-35 parts of sophora alopecuroides, 5-10 parts of pine needle oil, 15-30 parts of artemisia annua, 20-50 parts of green beans, 30-60 parts of barley and 20-35 parts of corn. The plant source bacteriostasis and detoxification deodorant provided by the invention has the advantages of high biological activity, strong broad-spectrum antibacterial property, fast insect and egg killing, good environment-friendly property, safety, high efficiency and the like. The invention also provides a preparation method and application of the plant source bacteriostasis and detoxification deodorant.

The invention relates to a natural environmental friendly dynamic disinfectant, which is characterized by comprising the following materials: patchouli oil, artemisia vulgaris oil, nepeta oil, rosemary oil, clove oil, lavender oil, eucalyptus oil, pine needle oil, ginger oil, tea tree oil, ethanol, houttuynia, pasqueflower, rush, diethyl fumarate, baicalein, alliin and nano-silver. The disinfectant is prepared by the following steps: weighing materials by weight percent; fine grinding houttuynia, pasqueflower and rush to 20-100nm grade; distilling all materials after mixing and adding them into a distiller; then crystalling by cooling after inputting the materials into cooling pot. According to the invention, the disinfectant can realize continuous dynamic bacteriostasis in crowded public places and prevent cross infection. Besides, the disinfectant can completely volatilize without any residues, which solves the problem that traditional disinfection solutions generate corrosive goods and pollute products and has no secondary pollution.

The invention discloses repellent anti-itch floral water. The floral water comprises 1.5%-10% of anophelifuge and 0.1%-8% of vegetable oil, and in particular comprises 0.5%-5% of litsea cubeba oil; the vegetable oil is selected from two or more of the following substances: rosemary oil, eucalyptus oil, pine needle oil, peppermint oil, lavender oil, chamomile, clove oil, thyme linaloe oil, geranium oil, rose oil, citronella oil and juniper berry oil. The repellent anti-itch floral water is prepared by using ethanol and water with the proportion being 70%-85%:30%-15%.

The invention relates to a composition with insect-expelling sterilization disinfection effects. The employed technical scheme comprises that the composition comprises effective compositions plant oil and pistacia weinmannifolia extractive, and also comprises an auxiliary agent; the plant oil is one or a combination of two or more of pine needle oil, cedar oil, taxus oil and cypress oil. The auxiliary agent is one or a combination of two or more of essence, an emulsifier, a propellant and a gel. The composition is nontoxic, harmless and free of environmental pollution, and is capable of expelling mosquitoes and flies, disinfecting and sterilizing, eliminating mites, eliminating peculiar smell and purifying air. The above composition can be taken as an effective composition and used to prepare sprayer products, air-purifier products and products applied to sanitary napkins, wet wipes, hand-cleaning agents, washing agents and the like by using a routine method.

The invention discloses molding sand for a large-size cast piece. The molding sand is made of the following raw materials in parts by weight: 250-280 parts of quartz sand, 40-50 parts of sepiolite, 2-4 parts of organic silicon resin, 6-9 parts of furan resin, 1-2 parts of nano-graphite, 5-7 parts of aluminum oxide, 4-6 parts of zinc oxide, 10-15 parts of bentonite, 1-2 parts of pine needle oil, 20-30 parts of bamboo twig and leaf, 1-2 parts of benzenesulfonic acid and a proper amount of water. Due to adoption of sepiolite and bamboo twigs and leaves which are calcined, the molding sand is good in air permeability; with the combination of the organic silicon resin, the furan resin and the like which are ground, the molding sand is excellent in binding property, plasticity, thermal stability and dispersity, low in shrinkage rate and stable in size of the cast piece; due to adoption of the nano-graphite, the dispersity is improved, and the molding is relatively easy; the molding sand disclosed by the invention is relatively high in hardness after being formed, is applicable to large-size cast pieces and is good in binding property; the cast piece is stable in size, the phenomena of loosening and shrinkage holes are reduced, and the finished product rate is high.

The invention discloses an alcohol-based casting coating for lost foam casting. The alcohol-based casting coating is characterized by being composed of, by weight, four parts to seven parts of silicon metal powder, 55 parts to 70 parts of zirconium mullite, 30 parts to 40 parts of iron-ore slag, 25 parts to 35 parts of ferrovanadium slag, 0.4 part to 0.8 part of tungsten disulfide, 0.5 part to 0.7 part of zirconium phosphate, 0.3 part to 0.6 part of nanocrystalline cuprous oxide, 1 part to 2 parts of attapulgite, 6 parts to 10 parts of peat, 2 parts to 4 parts of pine needle oil, 6 parts to 9 parts of polyvinyl alcohol carboxy butyl aldehyde, 50 parts to 60 parts of ethyl alcohol and 3 parts to 6 parts of auxiliaries. The coating manufactured through the method has the excellent thermal insulation property and good suspension property and abrasive resistance. The coating further has the good ventilation property and comparatively high surface strength and brushing property. The defects that in an existing casting coating preparative technique, refractory powder is expensive, and the production cost of the coating is comparatively high are overcome. The coating manufactured through the method has super quality and competitive price and is simple in production technique.

The invention discloses an application of plant essential oil serving as a red imported fire ant repellent. The plant essential oil disclosed by the invention is citronella oil, cinnamon oil, wintergreen oil, clary sage oil, cedar oil, pine needle oil or pepper oil, and researches show that the plant essential oil can effectively interfere choice behaviour of red imported fire ant so as to achieve a prevention effect. The plant essential oil comes from conventional plant varieties, raw materials are easily available in practical production and are edible or essence raw materials and are harmless to a human body, and the repellent has a wide application prospect in the agricultural technical fields of quarantine inspection and prevention and control on the red imported fire ant.

The invention discloses an oyster shell modified activated carbon desulfurizing agent. The oyster shell modified activated carbon desulfurizing agent is prepared from the following raw materials in parts by weight: 120-130 parts of activated carbon, 2-4 parts of titanium tetrachloride, 2-3 parts of calcium citrate, 30-35 parts of oyster shell, 5-7 parts of aluminum oxide, 4-6 parts of zinc oxide, 10-15 parts of bentonite, 1-2 parts of pine needle oil, 2-4 parts of ascorbic acid, 4-5 parts of modified diatomite and a suitable amount of water. By virtue of high-temperature carbonization of the oyster shell, the oyster shell modified activated carbon desulfurizing agent disclosed by the invention has a shape with a developed pore structure and a large specific surface area, has the capability of adsorbing various solutes and free gases, is rich in metal oxides such as calcium oxide and can e used for realizing effective desulfuration; meanwhile the oyster shell modified activated carbon desulfurizing agent is added with aluminum oxide and zinc oxide to realize effective desulfuration and catalyze degradation of organics; the bentonite used can realize antibacterial property, deodorization, moisture absorption, catalysis and caking property, so the activated carbon is less in possibility of being disintegrated; pine needle oil is added to emit sweet smell to fresh the brain. The activated carbon of the oyster shell modified activated carbon desulfurizing agent disclosed by the invention is suitable for industrial desulfuration and automobile exhaust desulfuration, daily air purification and water purification, and has wide application and quite good prospect.

A vegetative bactericide is prepared from 6 Chinese-medicinal materials including stemona root, sweet wormwood, pine needle oil, etc, surfactant and solvent.

The invention discloses a compound essential oil for preventing and curing skin diseases, which mainly comprises completely mixing mother chrysanthemum oil, tea plant oil, clove oil, peppermint, thyme oil, pine needle oil, frankincense oil, trimeresurus essence and jojoba oil which are mixed together according to certain proportion. The compound essential oil of the invention is capable of removing heat and cooling blood, removing wind and moistening dryness, activating blood and detumescence, controlling oil and cleaning skin, which can be widely applicable to chronic eczema, dermatitis, acne, folliculitis, and skin furuncle and the like.

The invention discloses a microcapsule indoor air freshener compounded from pine needle oil and lavender essential oil, and a preparation method thereof. The microcapsule indoor air freshener compounded from the pine needle oil and the lavender essential oil is prepared from a microcapsule oil core and a microcapsule wall material coating the outside of the microcapsule oil core. The preparation method of the microcapsule indoor air freshener comprises the following steps of Step 1, microcapsule oil core preparation; Step 2, microcapsule wall material water solution preparation; and Step 3, microcapsule air freshener preparation, wherein the microcapsule oil core is prepared from the following ingredients in percentage by weight: 1 to 60 percent of pine needle essential oil, 1 to 60 percent of lavender essential oil, 1 to 20 percent of wild peppermint oil, 1 to 30 percent of dementholized peppermint oil, 1 to 10 percent of camphol, 1 to 20 percent of indole, 1 to 30 percent of citronella oil, 1 to 30 percent of geranium oil, 1 to 30 percent of linalool, 1 to 30 percent of linalyl acetate and 1 to 50 percent of surfactants. The natural plant essential oil with antibacterial and airfreshening functions is selected; spice capable of adsorbing and decomposing formaldehyde is added; and then, the microcapsule wall material is used for coating. The prepared air freshener has the advantages that the long-period effective antibacterial effect is achieved; harmful substances are adsorbed and decomposed; and the activity is high, and the like.

The invention provides a micro-emulsified culicifuge and a preparation method thereof. The culicifuge comprises phthalthrin, allethrin, piperonyl butoxide, salicylic acid, ethyl acetate, peroxyacetic acid, dimethyl phthalate, citronellal, citronella oil, cassia oil, litsea cubeba oil, pine oil, pine needle oil, vetiver oil, ethanol, an emulsifier, a co-emulsifier, an antifreezing agent, an antifoaming agent, and water. The preparation method comprises: adding phthalthrin, allethrin, piperonyl butoxide, salicylic acid, ethyl acetate, peroxyacetic acid, dimethyl phthalate, the antifreezing agent, and the antifoaming agent into water for uniform stirring to obtain a mixed solution I; mixing the left components for uniform stirring to obtain a mixed solution II; and adding the mixed solution I to the mixed solution II while performing stirring to obtain the micro-emulsified culicifuge. The micro-emulsified culicifuge is good in mosquito-repelling effect, long in lasting time, and low in toxicity, is suitable for family use, and particularly suitable for pregnant women and children.

The invention discloses a sterilization disinfectant formula for nursing. The sterilization disinfectant is prepared from, by weight parts, raw materials comprise nursing raw materials and disinfection raw materials, wherein the nursing raw materials are 2-10 parts of lubricating humectant, 5-9 parts of fructus xanthii, 10-12 parts of propylene glycol, 8-10 parts of tea polyphenols, 5-12 parts of sodium chloride solution, 4-8 parts of polysorbate, 2-6 parts of carboxybutyl chitosan, 3-6 parts of lithospermum purpurocaeruleum, 7-10 parts of Chinese parsnip root and 6-8 parts of forsythia suspense; and the disinfection raw materials comprise 3-8 parts of coconut oil, 2-9 parts of lauramide propyl betaine, 5-10 parts of hydroxy propyl cellulose, 10-14 parts of acetic acid chlorhexidine, 4-8 parts of pine needle oil, 5-10 parts of glycerol, 12-16 parts of chloroxylenol and 8-12 parts of benzenesulfonicacid. The sterilization disinfectant is extremely small in irritation to the skin of the human body, and the sterilizing effect and the skin cleaning effect are greatly improved.

The invention relates to the technical field of wet tissue and provides multifunctional wet tissue and a preparation method therefor. The multifunctional wet tissue comprises a substrate and a wet-tissue compounded solution infiltrated into the substrate, wherein the wet-tissue compounded solution comprises the following ingredients in parts by weight: 0.01-0.1 part of aloe vera extract, 0.1-0.5 part of cucumber juice, 1-5 parts of herba menthae essential oil, 0.2-0.4 part of pine needle oil, 0.3-0.6 part of orange peel essential oil, 1.5-3 parts of borneol, 0.4-0.8 part of polyhexamethylene biguanide hydrochloride, 1.2-3.6 parts of propylene glycol, 1.5-3 parts of lauryl-alcohol polyoxyethylene ether, 0.2-0.4 part of solubilizer and 85-95 parts of deionized water. The problem in the priorart that the wet tissue is relatively single in function is solved, and the prepared wet tissue integrates the effects of cleaning, moisturizing, sterilizing and refreshing.

The invention discloses a mint essential oil microcapsule automobile interior air freshener and a preparation method thereof. The mint essential oil microcapsule automobile interior air freshener is prepared from a microcapsule oil core and a microcapsule wall material coating the microcapsule oil core. The preparation method comprises the following steps: (S1) preparation of the microcapsule oilcore; (S2) preparation of a microcapsule wall material aqueous solution; (S3) preparation of a microcapsule air freshener, wherein the microcapsule oil core comprises the following components in percentage by weight: 1-50% of mint oil, 1-10% of borneol, 1-50% of pine needle oil, 1-30% of linalool, 1-50% of linalyl acetate, 1-10% of indole, 1-40% of surfactant and 1-20% of other perfume auxiliary,co-solvent and co-emulsifier. According to the mint essential oil microcapsule automobile interior air freshener and the preparation method thereof disclosed by the invention, a novel microcapsule technology is designed; by coating the mint essential oil with microcapsule, the obtained microcapsule has high airtightness, and the action time of the mint oil is greatly prolonged; the prepared finished product of automobile freshener has the beneficial effects of ensuring long validity period, eliminating peculiar smell in automobile, refreshing mind, relieving driver fatigue, etc.

The invention relates to a composition capable of expelling insects, killing bacteria, sterilizing, and relieving nerve. The composition contains active ingredients plant oil and purified Omega-3, and may also comprise a pistacia weinmannifolia extract product; the plant oil is one or a combination of more than two selected from pine needle oil, sabina pingii var. wilsonii oil, cedar oil, or sabinaychinensis oil; Omega-3 comprises EPA and DHA at different ratio; the composition also comprises an assistant agent; and the assistant agent is one or a combination of more than two selected from an essence, an emulsifier, a propellant, or a gel. The composition is nontoxic, and harmless; can be used for expelling mosquitoes and flies, disinfecting and sterilizing, killing acarid, removing peculiar smell, purifying air, and relieving nerve; and no environmental pollution is caused.

The invention discloses a compound massage essential oil capable of removing facial acnes. The compound massage essential oil comprises the following components in parts by weight: 100 parts of anya needle essential oil, 25-35 parts of clove essential oil, 10-20 parts of bergamot essential oil, 10-15 parts of geranium oil, 10-15 parts of camellia sinensis seed essential oil, 10-15 parts of lavender essential oil and 2-8 parts of lemon essential oil. According to the compound massage essential oil capable of removing facial acnes disclosed by the invention, the anya needle essential oil is adopted as a main component and is matched with other essential oil components, so that, with respect to the acne-prone skin, the acnes can be removed within a short period of time; and recurrence of the acnes can be controlled.

The invention relates to an antibiosis rubber for air purification. Dry transparent colloid is obtained by adding traditional Chinese medicine extracts, evenly mixing, emulsifying, and the like; the colloid can be used for coating the surface layer of common paint, can be volatilized slowly, has long acting duration and has the effect of purifying air; besides, the effective ingredients in the traditional Chinese medicines can improve the resistance and the immunity of the human body after being absorbed by the human body and has the functions of antibiosis and sterilization. Specifically, the antibiosis rubber for air purification comprises the following components in percent by weight: 0.5-3.0% of hydroxypropyl methyl cellulose, 1-5% of propanediol, 0.1-0.6% of dispersing agent, 0.3-1.0% of defoaming agent, 0.3-10% of emulsifier, 0.5-20% of atractylis oil, 1-20% of pine needle oil, 0.5-15% of lemon oil, 0.3-5% of ammonia water and the balance of water.

The invention relates to antibacterial plant perfume, in particular to the antibacterial plant perfume and a preparation method thereof. The antibacterial plant perfume is mainly prepared from raw materials as follows: natural aromatic plant oil, absolute ethyl alcohol and distilled water, wherein the natural aromatic plant oil comprises rose absolute oil, patchouli oil, lavender oil, ylang ylangoil, rosemary oil, bergamot oil, eucalyptus oil, pine needle oil, peppermint oil, orange flower oil, chamomile oil, clove oil, thyme oil, geranium oil, rose oil, citronella oil, juniper oil and chimonanthus salicifolius oil. The antibacterial plant perfume is prepared through steps of dissolving, mixing, ripening, freezing, aging, filtering and filling. The antibacterial plant perfume has antibacterial, sterilizing, fragrant and cooling effects and functions of relieving itching, removing miliaria, relieving bromidrosis and mephitis and refreshing oneself. The antibacterial plant perfume can sent forth fragrant, strong and lasting aroma and makes people comfortable, pleasure and enchanted when sprayed to body skin, hair, clothes and bedding. Besides, the antibacterial plant perfume has quietly elegant color and harmonious and natural aroma, and the aroma holding time can be as long as 3-5 days.

The invention provides a special antibacterial finishing agent for textiles and a preparation method of the special antibacterial finishing agent and belongs to the field of textile auxiliaries. The special antibacterial finishing agent for the textiles is prepared from the raw materials of sodium carboxymethylcellulose, amino silicon oil, pine needle oil, a dandelion extract, a honeysuckle flower extract, peppermint oil, fatty alcohol-polyoxyethylene ether, water soluble wool fat, lauramide sodium sulfovinate, citric acid, cocamidopropyl betaine, nano-zinc oxide, chitosan, lysozyme, ethanol and water. The special antibacterial finishing agent for the textiles, provided by the invention, has the advantages of high antibacterial property, aromatic odor, safety, reliability, no stimulation and no allergic reactions to skins, no potential carcinogenicity, simple preparation process, low raw material cost and convenient use, is green and environment-friendly and is poison-free for people at the application concentration; the special antibacterial finishing agent for the textiles has the function of performing mildew resistant finish on cotton, ramie and chemical fiber; and the finished fabrics have the advantages of facile hand feeling and comfortable sense.

The invention relates to a deodorizing and nitrogen-preserving conditioner aiming at pig manure surface source pollutionand a method. The deodorizing and nitrogen-preserving conditioner is prepared from ferric chloride, potassium humate, potassium superphosphate, pine needle oil, strains and nanometer titanium dioxide. Pig manure and crushed crop straw are evenly mixed at the weight ratio of(4-6):1, and composting raw materials are obtained; the deodorizing and nitrogen-preserving conditioner is added according to the proportion that 30-50 kg of deodorizing and nitrogen-preserving conditioneris added in every 1,000 kg of composting raw materials, high-temperaturecomposting is conducted, and by adopting the turning or forced ventilation mode, the composting temperature in the high temperature period does not exceed 65 DEG C. After composting is conducted for about 30 days, compost is thoroughly decomposed, odorous substances in pig manure compost can be lowered, and volatilization of ammonia and hydrogen sulfide is reduced.

The invention discloses a sterilization disinfectant which is prepared from the following raw materials in parts by weight: 6-11 parts of rheum officinale, 5-9 parts of honeysuckle, 4-8 parts of mint, 3-7 parts of liquorice, 3-8 parts of anhydrous citric acid, 2-6 parts of sodium carboxymethylcellulose, 2.5-7 parts of diboron trioxide, 4-8 parts of anhydrous sodium sulphate, 2.5-7 parts of pine needle oil, 3-7 parts of potassium hydroxide solution, 2.5-4 parts of chloroxylenol, 3-5 parts of polyoxyethylene octylphenol ether, 1.2-3 parts of linseed oil and 20 parts of deionized water. The sterilization disinfectant disclosed by the invention is capable of rapidly performing sterilization and disinfection, especially has a remarkable effect to electronic equipment, and has no influence to equipment.

The invention discloses incense with bacteriostatic effects for clinic caring. The incense is prepared from the following raw materials including radix curcumae, flos caryophylli, agilawood, sandalwood, agilawood, Bainaoxiang, radix angelicae dahuricae, radix et rhizoma nardostachyos, rhizoma kaempferiae, herba pogostemonis, folium artemisiae argyi, rhizoma alpiniae officinarum, radix aucklandiae,fructus caryophylli, herba asari, radix et rhizoma rhei, frankincense, agalloch eaglewood, benzoin, rose petals, borneol, begonia, honeysuckle flowers, radix astragali, radix notoginseng, aloe, pineneedle oil, lavender, purple perilla, lemon, herba menthae, flos chrysanthemi and orange oil. Partial materials in the original incense are remained, so that the characteristics of the incense are remained to a certain degree; then, the folium artemisiae argyi, the begonia, the honeysuckle flowers, the radix astragali, the radix notoginseng, the aloe, the pine needle oil, the lavender, the purpleperilla, the lemon, the herba menthae, the flos chrysanthemi and the orange oil are added; certain sterilization and bacteriostasis effects are achieved; in addition, the conventional incense flavor can be mixed with later added smell, so that the smell is milder and can be more easily accepted by people.

The invention discloses a slaughterhouse deodorant and a preparation method thereof. The slaughterhouse deodorant is prepared from the following raw materials in parts by weight: vanadium pentoxide, aluminum ash, polyacrylamide, methanol, paraffin wax, azone, thymol, urotropin, activated charcoal, pine needle oil, mineral oil, p-chlorobenzenethiol, benzoic acid, calcium oxide, zeolite, cadmium sulfide, proteinase, cellulase, pectinase, ferroferric oxide, magnesium stearate, barium oxide and a plant extracting solution. The slaughterhouse deodorant disclosed by the invention has the advantagesof simple production technology, abundant and cheap raw material sources, cheap price, no toxicity and no odor, small corrosion, good deodorization effect and long lasting time, and has a relatively strong adsorption and decomposition capability; the slaughterhouse deodorant is applicable to reasonable decomposition and removal of odors in a slaughterhouse and volatilizes a fresh scent, and can beused for a long period.

The invention discloses a disinfectant which comprises the following components: 80-90 parts of ethanol, 40-50 parts of chloroxylenol, 45-55 parts of ricinoleic acid, 1.5-3.5 parts of pine needle oil and 0.5-1.0 part of potassium hydroxide solution. The disinfectant is reasonable in proportion and good in disinfection effect, and can be applied to various public places, and raw materials are easily obtained.

The invention discloses a sterilizing bactericide, which comprises the following ingredients in part by weight: 40 to 70 parts of chloroxylenol, 12 to 18 parts of calcium hypochlorite, 50 to 60 parts of potassium hydroxide solution, 4 to 8 parts of sodium toluene sulfonate, 60 to 120 parts of water and 18 to 38 parts of pine needle oil. Accord to the sterilizing bactericide, a formula and a preparation process are simple, the effect is good, and the sanitation of home furnishing environment is ensured, so the sterilizing bactericide is suitable to be used widely by families.

The invention discloses a plant perfume. The plant perfume is prepared from the following raw materials in parts by mass: 20 to 25 parts of ethanol, 11 to 14 parts of glycerol, 8 to 10 parts of glycerin monostearate, 4 to 6 parts of eucalyptus oil, 2 to 5 parts of pine needle oil, 3 to 4 parts of peppermint oil, 2 to 6 parts of chamomile oil, 3 to 5 parts of clove oil, 4 to 6 parts of geranium oil, 3 to 6 parts of rose oil, 1 to 3 parts of citronella oil, 7 to 9 parts of gilawood, 4 to 6 parts of gastrodia elata, 5 to 7 parts of gardenia, 4 to 6 parts of tangerine peel, 6 to 8 parts of cymbopogon distans, 8 to 10 parts of camphor, 3 to 6 parts of licorice, 4 to 7 parts of common cnidium fruit essential oil and 35 to 40 parts of water. The plant perfume disclosed by the invention is long-lasting in fragrance, mild and non-irritant and less in chemical composition content for a plant formula.

The invention discloses a method for preventing and treating loquat gray spot. A microcapsule bactericide is prepared from plant-derived extract and a conventional bactericide. The microcapsule bactericide is prepared from 15-25% by mass of plant-derived extract, 10-20% by mass of mancozeb, 10-15% by mass of myclobutanil, 5-12% by mass of methyl 2-benzimidazolecarbamate, 0.6-1% by mass of a surfactant, 0.3-0.5% by mass of a stabilizing agent and the balance water. The plant-derived extract bactericide comprises, by weight, 20-30 parts of herba polygoni avicularis, 10-20 parts of Solanum nigrum L., 10-15 parts of sweet wormwood, 5-10 parts of pine needle oil and 2-4 parts of stellera chameajasme. Through use of a microcapsule form, incompatible components are uniformly mixed so that component synergism is improved. Through overall consideration of a relationship of plant materials as monarch, minister, assistant and guide, effects of preventing and treating loquat gray spot are obviously improved and integrated prevention and treatment efficiency is 90% or more.