70 results about "Populus tomentosa" patented technology

The invention discloses a device and method for cleaning and collecting populus tomentosa. The device comprises a first collecting device 1 and a second collecting device 2. The device is characterized in that the first collecting device 1 comprises a hydraulic device 36, a dragging device 3, a supporting plate device 4, a cleaning device 16 and a collecting device 17, wherein the hydraulic device 36, the dragging device 3, the supporting plate device 4, the cleaning device 16 and the collecting device 17 are arranged on a locomotive; the second collecting device 2 comprises a protecting device 22, a filter screen device 23, a populus tomentosa discharging device 31, a dust suction device 32, a heating device 34 and a filtering device 38; a telescopic hydraulic rod 10 on the hydraulic device 36 arranged at the front end of the first collecting device 1 is connected with a connecting rod 11; and the cleaning device 16 and the collecting box 17 are separately arranged on the rear side of the locomotive, on the first collecting device 1. The device for cleaning and collecting populus tomentosa disclosed by the invention is simple in method for cleaning the populus tomentosa, high in speed and good in effect, so that the purpose of automatically and continuously cleaning the populus tomentosa is realized, and time and labor are saved. The first collecting device for cleaning and collecting the populus tomentosa adopts a method of firstly spraying a sticky aqueous solution, then performing twisting and dragging to form populus tomentosa strips, and then performing cleaning; and the device is simple in method, high in speed and high in efficiency, and the botheration of an environmental sanitation worker for cleaning the populus tomentosa is thoroughly avoided.

The invention discloses an application of NsNHX1 protein and related biomaterials in breeding of reverse-resistant poplar. In the present invention, the nitraria sibirica Na<+> / H<+> reverse transport protein NsNHX1 is used as a research object, and is transferred into Populus tomentosa 84K to obtain transgenic NsNHX1 Populus tomentosa. Three transformants, N1, N2 and N3, are selected for identification of reverse resistance. The wild-type Populus tomentosa is used as a control to study the salt-tolerance and antioxidant capacity of transgenic NsNHX1 populus tomentosa under adversity stress. The results show that under the conditions of adversity stress treatment, the survival rate, biomass, leaf chlorophyll content, water content, plant height and antioxidant capacity of transgenic NsNHX1 are significantly higher than those of wild type populus tomentosa. The application indicates that NsNHX1 can significantly improve the reverse resistance and antioxidant capacity of the transgenic poplar, and NsNHX1 can be used as a salt tolerance gene to breed the reverse-resistant poplar varieties.

The invention relates to application of a set of SNP loci in screening of populus tomentosa with characters of high photosynthesis and quick growth and a kit, and belongs to the technical field of molecular heredity. According to the application of the set of SNP loci in screening of the populus tomentosa with the characters of high photosynthesis and quick growth, the SNP loci are basic groups in the positions of 2068, 2347 and 2457 of the populus tomentosa PetC gene. Through the application of the SNP loci, quick screening of the populus tomentosa high in photosynthesis and quick in growth can be achieved, and the breeding progress is greatly accelerated.

The invention belongs to the technical field of plant gene engineering and particularly relates to a populus tomentosa gene PtomiR390a and its application. The invention discloses a populus tomentosa gene PtomiR390a, and its nucleotide sequence is shown as SEQ ID No.1; the invention further provides an expression carrier of the populus tomentosa gene PtomiR390a, a host of the expression carrier and an application in improving the aspen biomass and promoting the salt resistance of the aspen. After being transcribed, the populus tomentosa gene PtomiR390a can levelly modulate the aspen biomass; the biomass of the populus tomentosa is improved through the surplus expression of the populus tomentosa gene PtomiR390a, and the populus tomentosa's ability of resisting threat of salt and alkali in a nature environment is improved. A cultivating method provided by the invention cultivates high-quality aspen variety with high biomass and high salt resistance.

The invention discloses Populus tomentosa itch-stopping skin-protecting paste. The paste is prepared from, by weight, 12-20 parts of Populus tomentosa, 1-3 parts of sodium alginate and 1-3 parts of chitosan. The paste is a pasty mixture which is exquisite in touch and smooth in texture after being mixed and stirred with warm water, and can play multiple roles in stopping itch, resisting bacteria, diminishing inflammation and protecting skin after being directly coated on itching skin after being cleaned. The paste is extensive in raw material source, low in cost, high in preparation operability, convenient to produce and process, is dry fine powder, can be stored for a long time after being sealed, is convenient to carry and use and has wide application prospect.

The invention discloses a preparation method of anti-microbial populus tomentosa leaf general flavone. The preparation method of the anti-microbial populus tomentosa leaf general flavone comprises the following steps: firstly, weighing 3kg of populus tomentosa leaves, adding 70% alcohol, carrying out reflux extraction for three times, wherein the solid-liquid ratio is 1 to 10, mixing the extracts, and carrying out drying under reduced pressure, thus obtaining a crude extract; then, dissolving the crude extract in 1500ml of distilled water, carrying out adsorption by adopting 101 macroporous adsorption resin, and carrying out water elution till the solution is colourless; then, carrying out elution by adopting 40% alcohol, collecting the eluate, carrying out vacuum concentration till no alcohol smell exists, and making the constant volume, namely, 2000ml; and finally, enabling the solution to slowly pass through a polyamide chromatographic column, carrying out washing by adopting distilled water till the solution is colourless, carrying out elution by adopting 90% alcohol, collecting the eluate, and carrying out drying by distillation under reduced pressure, thus obtaining the populus tomentosa leaf general flavone with the purity being 98%. According to the preparation method, the flavone part enrichment is carried out by adopting the 101 macroporous adsorption resin in combination with the polyamide chromatography technology, the obtained sample is high in purity, and the method is simple and practical.

The invention provides a method and a system for analyzing an interaction relationship between populus tomentosa LncRNA Pto-CRTG and a target gene Pto-CAD5 thereof by utilizing epistasis. According tothe method and the system of embodiments of the invention, the interaction relationship between the populus tomentosa LncRNA Pto-CRTG and the target gene Pto-CAD5 thereof can be analyzed by utilizingthe epistasis. Functional SNP sites found in the LncRNA Pto-CRTG and the target gene Pto-CAD5 thereof provide important reference value for the application of the LncRNA Pto-CRTG and the target genePto-CAD5 thereof in forest tree molecular marker breeding.

The invention relates to an oil absorbing felt mat for an instrument panel and a preparation process of the oil absorbing felt mat, and belongs to the technical field of automobile articles. The oil absorbing felt mat for the instrument panel is prepared from the following raw materials in parts by weight: 35-60 parts of platanus orientalis fruit fiber, 20-30 parts of dandelion villous fiber, 35-60 parts of populus tomentosa fiber, 10-30 parts of wood pulp cellulose, 8-20 parts of polypropylene fiber, 8-20 parts of polyacrylonitrile fiber, 10-19 parts of lignin fiber, 5-12 parts of glass fiber and 20-35 parts of mineral substance fiber. As plant fiber in the nature is taken as the main raw material, the oil absorbing felt mat for the instrument panel, which is disclosed by the invention, not only has the characteristics of rapid oil absorption, large oil absorption amount and good water-repellency property, but also is green and environment-friendly, is small in specific gravity, light in weight and free of deformation or looseness after oil absorption, is not affected by temperature influence, is resistant to corrosion, and is good in vibration reducing performance.

The invention provides a method for identifying male and female plants of populus tomentosa seedlings. Identification is carried out mainly aiming at the seedling stage of male and female plants of populus tomentosa seedlings in urban garden greening. Various conditions required for preliminary identification of the male and female plants of the populus tomentosa seedlings are ensured by preparing a phosphate buffer solution, utilizing chromogenic reaction of a litmus test solution, and proper treatment at the seedling stage. An effective method, which can be applied in large area in production practice of urban garden greening, can solve the problem for identifying the male and female plants of the populus tomentosa seedlings, is simple and convenient to operate, and high in accuracy rate, shortens the identification time and saves the cost is provided by the steps of grinding, leaching and centrifuging the male and female plants of the populus tomentosa seedlings.

The invention relates to the technical field of pig feeds, in particular to a fermented feed capable of promoting growth of live pigs, and a preparation method and use method of the fermented feed. The fermented feed is mainly prepared from raw materials of distillers' grains, watermelon peel, peanut vines, helianthus annuus, bulbo-phylulm ambrosirm, polygonum aviculare, pennisetum giganteum, humulus scandens, populus tomentosa, beta vulgaris, corydalis yanhusuo, polygala tenuifolia, scirpus triqueter, eutrema yunnanense, hyssopus officinalis, uncaria rhynchophylla, bombyx mori Linnaeus, crataegus pinnatifida, pinus armandi franch, stone powder, dicalcium phosphate, brown sugar, an enzyme preparation, table salt, microorganisms and the like through steps of treating the raw materials, performing blending and mixing, adopting a lighting stir-frying with bran method, performing fermentation and the like. The formula of the fermented feed is most scientific and reasonable; the fermented feed is rich in nutrition and good in palatability, and has the health-care efficacy of clearing heat, removing toxicity, invigorating the stomach, promoting digestion, resisting bacteria, disinfectinginsects, calming and soothing the nerves, resisting eclampsia, stimulating appetite and the like; the constitutions of the live pigs can be effectively strengthened, and the quick growth of the livepigs can be promoted, so that the average weight gain of the live pigs can be increased, the prevalence rate is reduced, the time that the live pigs become full-grown and ready for slaughter is shortened, and further the breeding benefits of the live pigs are effectively increased; and the preparation method of the fermented feed is simple, and the fermented feed is easy to produce.

The invention provides a novel MYB transcription factor PtrMYB01 in Populus tomentosa Carr, a gene coding the transcription factor, and a cloning method of cDNA, wherein, the transcription factor is polypeptide which is obtained by the separation of Populus tomentosa Carr. By analyzing a highly homologous transcription factor ATMYB60 which belongs the same family with the transcription factor PtrMYB01, the transcription factor PtrMYB01 has possible functions of regulating and controlling plant stress resistance (drought resistance) and regulating anabolism of plant flavonoids. Accordingly, if the recombinant plasmid of the PtrMYB01 gene is transferred into the plant, because the gene is overexpressed in the plant, a drought-resistant cold-resistance plant can be produced, so that the plant yield is increased. The cloning method comprises the following steps: extracting total RNA from Populus tomentosa Carr, and carrying out inverse transcription on the total RNA to synthesize cDNA; designing primers according to the conserved sequence of the transcription factor, and amplifying into a DNA fragment through chain polymerization enzyme reaction; purifying the amplified products, cloning the purified products to a pCXSN vector, transferring a DH5 alfa cell, and culturing overnight in plate. The transferred escherichia coli plasmid is extracted and transferred into Agrobacterium EHA105 for subsequent research.

The invention provides hair color-protecting itching-relieving cream and a preparation method and application thereof, and belongs to the technical field of cosmetics. The hair color-protecting itching-relieving cream is prepared from the following raw materials in parts by weight: 340-400 parts of populus tomentosa extracting liquid, 152-158 parts of bletilla striata gelatin, 35-45 parts of populus tomentosa flavone extracting liquid, 35-45 parts of prickly ash seed kernel extracting liquid, 26-31 parts of prickly ash seed protein peptide solution, 10-16 parts of shea butter, 2-4 parts of prickly ash seed coat melanin, and 0.6-1.0 part of vitamin C and / or vitamin E. The prepared hair color-protecting itching-relieving cream has the advantages that all ingredients in formula are natural, the product is moderate in performance, and safe in use. Experiments show that the hair color-protecting itching-relieving cream has no harmful stimulation to hairs and scalp skin, is particularly suitable for hair-dyed crowds, has the effects of color-protecting, color-fixing, itching-relieving, sun-blocking and the like, has multiple efficacy of moistening and moisturizing the hairs, repairing damaged hair quality and the like, and has a good practical application value.

The invention provides application of a Populus tomentosa PtrMYB119 gene in improvement of drought resistance of tobacco, and belongs to the technical field of plant genetic engineering. According to the research, the Populus tomentosa PtrMYB119 gene is transferred into tobacco leaves, the anthocyanin content in the obtained transgenic tobacco is remarkably improved, and the drought resistance of the tobacco can be effectively improved.

The invention provides a medical composition with a weight reducing function, which is prepared with raw materials of the following weight proportion: 0.2-0.8 portions of fresh twigs and leaves of 105 raw materials, including pomegranate, five-leaved pine, platycladus orientalis, juniperus formosana, cortex albiziae, radix paeoniae alba, red peony root, rose, violet, lettuce, cabbage, cedrela sinensis tree, peach tree, holly, morning glory, sour cherry, salix hypoleuca, paper mulberry, powdered tofu pudding, wild grape, ordinary grape, eucommia ulmoides, wheat, oat, tamarix chinensis, peony, leek, onion, moso bamboo, day lily, pine, persimmon, hawthorn, apple, apricot, gingko, potato, poplar, populus tomentosa, ailanthus altissima, cherry, walnut tree, plum tree, populus simonii, divaricate saposhnikovia root, radix bupleuri and the like. The medical composition can be taken via boiling fresh twigs and leaves of the raw materials in water or soaked in boiled water for 15 minutes. When the medical composition is taken, weight can be reduced rapidly with no rebound or any side effects. The medical composition is safe and reliable, no injury or pain can be caused to the vastus of patients, significant treatment effects can be achieved, and recurrence cannot be caused easily.

The present invention relates to a novel antibiotic preparation and its preparation method. It uses the plant populus tomentosa as raw material and makes it undergo the processes of pretreatment, pulverizing, extracting, sorting and ultrafiltering, vacuum concentrating, drying and obtaining finished product. The molecular weight of its effective component is 500-4000, and the water content of said antibiotic preparation is less than 5%. It is a novel antibiotic preparation for curing infected disease due to pathogenic bacteria with resistance to broad-spectrum antibiotics of penicillin, etc.

The invention relates to a genetic transformation method of diploid populus tomentosa. The genetic transformation method comprises the steps of firstly collecting tender bud-containing stem segments of male diploid populus tomentosa as explants, cleaning and sterilizing the segments, then sequentially carrying out propagation subculture, bud elongation culture and rooting culture to obtain asepticseedlings of populus tomentosa, picking agrobacterium tumefaciens carrying pBI121 vector plasmids, and preparing microbial liquid as infection liquid; cutting leaves of the aseptic seedlings of populus tomentosa into leaf discs, executing culturing for 7 days, then transferring the leaf discs into the infection liquid for infection, carrying out dark culture on the infected leaf discs, then carrying out light recovery culture, finally screening resistant buds to obtain candidate plants, carrying out GUS dyeing and PCR detection on the candidate plants, carrying out seedling hardening and transplantation on the plants which are all positive to obtain transgenic plants of diploid populus tomentosa. The method has the advantages of being high in conversion efficiency, short in cultivation period, capable of achieving large-scale production and the like, and the genetic transformation system of the diploid populus tomentosa can provide help for large-scale cultivation of new varieties anddirectional transformation of excellent characters.

The invention provides a composition for preparing populus tomentosa leaf and / or root tissue protoplasta as well as a reagent and a method, and belongs to the technical field of plant protoplast preparation. The composition for preparing the populus tomentosa leaf and / or root tissue protoplasts comprises cellulase and a digestion enzyme, the enzyme activity of the cellulase is 250-350U / g, the enzyme activity of the digestion enzyme is 700-900U / g, and the mass ratio of the cellulase to the digestion enzyme is (14.5-15.5): (3.5-4.5). Populus tomentosa leaves and / or root tissues are subjected toenzymolysis through combined use of the cellulase and the digestion enzyme, so that the high activity of the protoplasts is kept, the number of the obtained protoplasts is large, the price of the enzymes is relatively low, the cost is reduced, and the requirements of subsequent experimental research can be met.

The invention belongs to the field of traditional Chinese medicine application, and in particular relates to a traditional Chinese medicine for treating red and white dysentery. The traditional Chinese medicine is prepared form the following raw materials: Chinese toona leaf, chingma abutilon root, cortex phellodendri, purslane, verbena, common jujube bark, pomegranate bark, honeysuckle, scutellaria baicalensis, plantain seed, radix sophorae flavescentis, cherokee rose root, hawthorn, populus tomentosa and ash bark, wherein the raw materials are mixed in a certain weight ratio. The traditional Chinese medicinal has the advantages of simple preparation, good absorption effect, long drug effect duration, remarkable curative effect, no side effect, high safety and low production cost, and is advantageous to reducing the symptom of a patient in time.

The invention discloses an itching-relieving skin care product which contains populus tomentosa carr and can be smeared. The itching-relieving skin care product is prepared from, by weight, 25-35 parts of populus tomentosa carr, 3-8 parts of seaweed powder, 1-3 parts of sodium alginate and 100-120 parts of water. The raw materials are natural and non-irritant, do not produce dependence, is scientific and reasonable in proportion, can give full play to the itching-relieving, anti-inflammatory, antibacterial and skin repairing effect, and the like. The itching-relieving skin care product is especially applicable to senile cutaneous pruritus, eczema and the like, can also be suitable for pregnant women, nursing mothers and children, meanwhile can also play a nursing effect to the skin and has wide application prospect.

The invention discloses a special fertilizer for populus tomentosa seedlings and a preparation method thereof. The fertilizer takes power plant ash as a potassium source, has the advantages of balanced N, P and K proportion, comprehensive and balanced fertility and obvious effect on promoting the growth of populus tomentosa, and can be used for improving the yield and quality of populus tomentosa and ensuring the high seedling quality index. As the fertilizer takes the power plant ash obtained after utilizing the cotton stalk resource for power generation as the source of potassium fertilizers, not only can the power plant waste be turned into wealth, so that the whole cotton stalk resource is effectively recycled, but also the bulk blending fertilizer prepared with the waste power plant ash as the source can be used for reducing the environmental pollution and lowering the fertilizer production cost.

The invention discloses a method for increasing grafting survival rate of populus tomentosa, and relates to the field of forest tree species breeding. Union surfaces of a stock and cion which are grafted are fixed through nailing, so that layer separation cannot be easily formed between the cion and the stock under an exogenic action during transport, and therefore the grafting survival rate of the populus tomentosa is greatly increased to 98.3 percent; a fixing device is simple to manufacture and high in stability, can be continuously used for a long time, and is easy and simple in operation; higher economic benefit is obtained with low cost.

The invention discloses a method for extracting cynaroside and quercetin-3-o-beta-glucopyranoside from leaves of populus tomentosa, which comprises the following steps: the leaves of the populus tomentosa are heated after crushed and added with ethanol solution, reflux extraction is carried repeatedly, and obtained extracted solutions are mixed; the extracted solutions are added with macroporous adsorbent resin and put into chromatographic columns, absorption is carried out after flushing, eluents are respectively collected after elution is carried out repeatedly, concentration and drying arecarried after pressure is reduced, and 40% ethanol elution extracts which are maximum in total flavonoid content are mixed for obtaining a primary extraction material; the primary extraction materialis added with polyamide resin and put into the chromatographic columns, absorption is carried out after flushing, the eluents are respectively collected after elution is carried out repeatedly, concentration and drying are carried after pressure is reduced, and 15 mg of 20% ethanol elution extracts which are maximum in total flavonoid content are further purified for obtaining a secondary extraction material; and the secondary extraction material is added with octadecylsilyl (ODS) and put in the chromatographic columns, absorption is carried out after flushing, the eluents are respectively collected after elution is carried out repeatedly, and concentration and drying are carried after pressure is reduced for obtaining the cynaroside and the quercetin-3-o-beta-glucopyranoside.

The invention relates to a populus tomentosa embryo sac isolation method. An enzymatic hydrolysis-dissection method and a suck-and-blow method are combined, the complete embryo sac can be obtained byisolating the fresh populus tomentosa ovule, and the yield is as high as 8.7%; the mixed enzyme liquid for screening the populus tomentosa ovule comprises the components of hemicellulase, cellulose, pectase, mannitol, and BSA, after enzymatic hydrolysis processing, through acetic red dyeing and transparency processing, the product is observed under an inverted microscope, a complete and clear formand an internal structure of the populus tomentosa embryo sac can be observed, the populus tomentosa embryo sac is in a long elliptical shape, a size is about 2.52 [mu]m, the populus tomentosa embryosac is unitegmic, egg apparatus cells exist at a micropyle end, a chalazal end has a structure which is similar with that of antipodal cells. The technical scheme can be used for isolating the embryosac of Kalanchoe blossfeldiana.

The invention discloses a tissue culture and rejuvenizing method for adult male populus tomentosa, and belongs to the technical field of vegetative propagation of populus tomentosa. The tissue cultureand rejuvenizing method for the adult male populus tomentosa comprises the following steps: carrying out basic culturing by taking a root coppice shoot stem of male adult superior populus tomentosa at the age of 30-200 as an explant to obtain a sterile seedling which grows well; shearing the sterile seedling into stems with buds with the sizes being 1.0-1.5 cm, inoculating the stems with buds into a proliferation medium and carrying out 2-4-generation subculture to obtain a sterile strong seedling; carrying out rooting culture on the sterile seedling to obtain a sterile bred seedling; and finally, carrying out domestication culture on the sterile bred seedling to obtain a rejuvenized bred seedling to finish tissue culture and rejuvenizing of the adult male populus tomentosa. By the method, rejuvenizing of propagules of the populus tomentosa can be realized, effective induction and regeneration are implemented, mass propagation and forestation can be carried out, meanwhile, excellent properties of seed trees are maintained, the problems of maturation effect of the nursery-grown plants, poor quality of the nursery-grown plants and the like are avoided, and the tissue culture and rejuvenizing method for the adult male populus tomentosa has important guiding significance on production practice.

The invention belongs to the technical field of plate treatment and particularly relates to a reagent used for corrosion prevention of populus tomentosa plate white rot fungi. A preparation method ofthe reagent comprises the steps of preparing of raw materials, preparation of a modified chitosan copper compound, preparation of a moderating solution and preparation of a corrosion prevention reagent. Compared with the prior art, the reagent for corrosion prevention of the populus tomentosa plate white rot fungi has the following advantages that the modified chitosan copper compound is synergistically prepared through dimethylformamide and a hydroxy carboxylic acid aqueous solution with the concentration being 4-4.5 mol / L, the chemical stability of the corrosion-prevention reagent can be improved through a precipitated silica mixed solution, meanwhile, the corrosion-prevention property of the corrosion-prevention reagent to the populus tomentosa plate white rot fungi can be improved, andthe white-rot-prevention effect on masson pine is obvious; and the reagent formula is friendly to the development environment, the prevention and treatment effects on populus tomentosa plates and other wood rot fungi and the loss-resistant and permeability-resistant properties can be effectively improved, accordingly, the using range of the plate is expanded, and the service life of the plate isprolonged.

The invention belongs to the technical field of traditional Chinese medicine and particularly relates to pressure sore removing cream prepared from total flavonoids of populus tomentosa leaf and a preparation process of the pressure sore removing cream. The flavonoids in the populus tomentosa leaf are subjected to heating reflux extraction with 70% ethanol, further separation and purification areperformed with D101 macroporous resin and polyamide resin, the total flavonoids of the populus tomentosa leaf are obtained, and the cream is prepared from the total flavonoids of the populus tomentosaleaf. The cream is prepared from the total flavonoids of the populus tomentosa leaf and cream base in parts by weight as follows by mixed processing: 0.4-10.0 parts of the total flavonoids of the populus tomentosa leaf, 5.0-45.0 parts of water, 0.42-3.75 parts of glycerin, 0.94-8.43 parts of stearic acid, 0.08-0.75 parts of vaseline, 0.42-3.75 parts of lanolin, 0.44-3.98 parts of liquid paraffin,0.30-2.70 parts of glyceryl monostearate and 0.1-0.9 parts of triethanolamine stearate soap. The cream has good treatment effect on pressure sores.

The invention discloses massage jelly with the effects of diminishing inflammation, relieving itching and cleaning skin. The massage jelly is prepared by refining Populus tomentosa Carr., chamomile and bletilla striata which serve as main raw materials, and konjac glucomannan, propylene glycol, hydrogenated castor oil, polyoxyethylene ether and 15% Na2CO3 which serve as auxiliary materials. The adopted raw materials are cheap, easy to obtain, safe, free of irritation and scientific and reasonable in matching, no dependence is generated by the skin, a synergistic effect is achieved, and the effects of diminishing inflammation, relieving itching, resisting bacteria, preserving moisture, cleaning the skin, massaging the body and caring the skin can be fully achieved. The massage jelly is suitable for people with sensitive skin on which pruritus is easily generated, special groups such as pregnant women, breast feeding women and children are fully considered, and the massage jelly is high in process operability and suitable for factory large-scale production, and has high application and popularization value.

The invention belongs to the technical field of bioinformation and provides a differentially expressed NACs transcription factor in populus tomentosa under the cadmium stress condition as well as an obtaining method thereof. The differentially expressed NACs transcription factor in the populus tomentosa under the cadmium stress condition is obtained by a high-throughput sequencing technology and abioinformatic analysis method. The differentially expressed NACs transcription factors in the populus tomentosa under the cadmium stress condition are obtained for the first time through transcriptome analysis and association analysis combined strategy, the transcription factors can influence the growth and photosynthesis of the populus tomentosa under the cadmium stress condition, and importantreference value and theoretical significance in treating and repairing heavy metal pollution as well as improving the stress resistance of plants are achieved.

The invention discloses a method for inducing plants to bloom early by a populus tomentosa sepallata (PtSEP) gene of poplar. In the method, the total length of complementary deoxyribonucleic acid (cDNA) of the PtSEP gene, which is the target gene, of the poplar to construct an ultra-expression vector of the PtSEP gene, and the ultra-expression vector is transferred into a plant to advance the blossom time of the plant such as tobacco and the like. The early flowering induction of the plants and particularly flowers is performed by utilizing the transgenic technology, the period is short and the effectiveness is quick.

The invention discloses a compound for diminishing inflammation, preventing chap and removing odor. The compound comprises the following raw materials in parts by weight: 3-5 parts of populus tomentosa, 1-3 parts of calendula and 0.5-1.5 parts of vervain. The invention also discloses a foot mask for diminishing inflammation, preventing chap and removing odor, which is prepared by taking the compound as an effective constituent. The foot mask is prepared from 58-62 parts of compound extract liquid, 16-20 parts of olive oil, 9-11 parts of glycerinum, 9-11 parts of propylene glycol, 1.4-1.6 parts of xanthan gum, 1.4-1.6 parts of hydrogenated castor oil and 0.08-0.12 part of vanillyl butyl ether. Natural extracts are applied to the foot mask for diminishing inflammation, preventing chap and removing odor, provided by the invention, so that the skin is prevented from generating dependence; the effects of diminishing inflammation, relieving itching, moisturizing, resisting chap, inhibiting bacteria, removing odor, boosting the blood circulation of feet, and the like, can be fully achieved; and the foot mask is suitable for people suffering from rough and dark foot skin, dry chap, inflammation and the like, and is especially suitable for middle-aged and elderly people.