111 results about "Nitzschia" patented technology

The invention discloses a ring trunk growth shaping method for Lagerstroemia trees in Lythraceae. The method mainly includes firstly, combining trunk shapes according to classes of ring truck shapes; secondly, destructing the trunk shapes to obtain technical maps of single trunks; thirdly, performing improvement of soil fertility, and planting seedlings together for growth management; fourthly, inarching the seedlings planted together, and making and erecting a support frame and a ring trunk growth shaping ladder system; fifthly, subjecting the trunk growth seedlings to bud fixing and bud picking; sixthly, tying twigs to the shaping ladder assembly, and inarching adjacent ring trunks after the twigs thicken naturally and connect with each other; and seventhly, heal-cultivating. The method breaks the shaping methods of trunks of Lagerstroemia trees in Lythraceae, allows for rich trunk shapes, requires shorter shaping time, and enables ornamentality and commodity value of the trunks to be higher. The ring trunk growth shaping ladder system is continuously available for many years, is available for precise production and bath replication of single plants, and is conducive to implementation of standard and large-scale production and formation of special industry.

The invention discloses a quick cultivating and planting method for large crape myrtle landscape trees. The quick cultivating and planting method is characterized by comprising the following steps: selecting a perishable weed-tree pile which is nearly 2m in height, 0.2-0.4m in lower-end diameter and 0.15-0.35m in upper diameter as a tree shaft model; firmly around the tree shaft model, planting un-branched crape myrtle trees of 2-3 years in the soil, wherein the adjacent trunks are close to each other; using a plastic film to firmly cover and fix the trunks on the tree shaft model; removing the film in late June of the year, using a new film to recover the trunks in the late autumn, removing the new film in late June of the next year; and covering the trunks for another time by another new film in the late autumn, and removing the coating and the bonded films in the late June of the third year; and carrying out nutrient and water management according to a normal management method of an artificial cultivation method of crape myrtle during the whole cultivating and planting period. The quick cultivating and planting method can quickly cultivate large crape myrtle landscape trees within three years; the diameter at breast height of the trees can be designed by pre-selecting the diameter size of the model shaft model; the cultivated and planted large landscape trees are smooth and upright in trunks; the main branches are good in modelling; and the planting and cultivating survival rate is 100%.

The invention relates to a lagerstroemia indica cutting breeding method, which belongs to the technical field of plant cuttage. The method comprises the following steps: I, preparing a cutting matrix, sterilizing perlite, coco coir, peat and red earth, uniformly mixing with growth liquid, and spraying chitosan gel; II, cutting: selecting epicormic branches of the lagerstroemia indica for cutting; III, cutting managing: managing the sunlight, temperature, humidity, nutrition and sterilization; IV, transplanting to a plant nursery: transplanting the lagerstroemia indica to the plant nursery after the roots of the cut epicormic branches of the lagerstroemia indica are fully developed. The lagerstroemia indica cutting breeding method has the advantages of high survival rate and high growth speed.

The invention provides a crape myrtle nursery stock cottage cultivation method which comprises the steps that 1. the method is carried out on July and August in each year; 2. chemical weeding is forbidden in a scion collecting field, and nursery stock water permeating is carried out 20 days before dry scion collecting; 3. 25 cm-30 cm deep ploughing is carried out on a selected field parcel; 4. soil is subjected to disinfection; 5. column standing and shed building are carried out, and sunshade net covering is carried out for sun shading; 6. after a seedbed is subjected to complete watering, S-metolachlor is used for being sprayed to cover weeds; 7. annual half-lignification branches are selected for pruning; 8. too-tender tops of the branches are removed, 40 g of Guoguang naphthylacetic acid powder and 40 Kg of water are mixed to form a solution in a dissolution mode, and cutting slip soaking is carried out for 15-20 minutes; and 9. before cottage, water is sprayed to the seedbed for 3-4 times, the cottage depth is 1 / 3-1 / 2 of the cutting slip length. According to the method, crape myrtle seedlings cultivated in a cottage mode are high in survival rate, quick in growing, long in flowering phase and capable of being used as urban landscape trees for planting.

The invention provides a crape myrtle old branch cutting propagation method and belongs to the technical field of plant cuttage. The method is characterized by including the following steps of (1) old branch collection, (2) soil preparation and bed culture, (3) cuttage, (4) field management and (5) old branch transplantation. The crape myrtle old branch cutting propagation method can be suitable for the weather soil environment of China, the rooting condition is good, the yield reaches over 85%, a gap of the related technical field is filled, operation is simple, the propagation speed is high, and the market prospect is good.

The invention discloses a crape myrtle tree form with a spindly skeleton and a pruning method thereof, which relate to the technical field of garden tree pruning. A trunk of the tree form is obvious, and the trunk is thick and skeleton-shaped, so that an operation of controlling the diameter of a crown, the size of a tree body and the height of the trunk according to the growth space is facilitated; branches are distributed uniformly, a state that lower branches are sparse and upper branches are dense, outer branches are sparse and inner branches are dense, and the branch trend is mean and robust is kept, branches are well-arranged, and a certain distance is kept between layers; the ventilation and light transmission properties are good, thereby facilitating the robust growth of plants, and reducing plant diseases and insect pests; and inflorescences inserted in the periphery of a crown in the flowering period are easy to form a neat bulk structure, the pruning method is simple to operate, easy to carry out, and applicable to the standardized production and management of nurseries, and facilitates the highlighting of a crape myrtle landscape effect in case of being applied to gardens, therefore, the pruning method is suitable to be promoted and applied in garden production.

The invention discloses a rapid cutting propagation method of crape myrtle single-plant germplasm. On the basis that crape myrtle single plants with the good characters of the natural tree type, flowering habit, flower color and flower diameter size and the like are surveyed and screened out, incising and sprouting promotion is performed on optimized single-plant rootstock portions or purging and sprouting promotion is performed on the surface soil layer lateral roots to form young root sucker coppice shoots at the developmental stage, the coppice shoots are used for ear making and cutting propagation, cutting seedlings are used for building a cutting orchard, cutting orchard building and management are performed by routine, scion wood is completely collected and processed on the base of the trunk of the stock plant to promote sprouting and cultivation of coppice shoots, the standard quality of ear cutting and making is strictly regulated, the cutting seedbed matrix arrangement is simplified, rooting accelerator arrangement and using method are optimized, limitation of the cutting season is broken through, rapid long-term large-scale cutting seedling is achieved, the cutting survival rate and nursery stock quality are improved, and the cutting seedling cost is lowered.

The invention discloses a method for culturing seedlings of crape myrtle. The method comprises the steps of garden selection, land preparation, seed treatment before seeding, seeding, shed erecting, shed removing and daily management. According to the method disclosed by the invention, the growth situation of the crape myrtle is fully considered, seeds are treated by adopting potassium permanganate, gibberellin and naphthylacetic acid through years of practical experience, the germination rate and the germination vigor of the seeds can be effectively increased, meanwhile, a favorable growing environment is provided for young seedlings by utilizing a greenhouse method, and the growing speed and the growth vigor of plants are increased.

The invention provides a method for transplanting large lagerstroemia indica trees. The method for transplanting large lagerstroemia indica trees comprises the following steps: 1, making transplanting preparations; 2, digging out large trees; 3, transporting the large trees; 4, treating tree transplanting soil pits; 5, fixedly planting the large trees; 6, maintaining the transplanted large trees. The lagerstroemia indica trees transplanted through the method are high in survival rate, grow quickly, and bloom.

The invention discloses an American lagerstroemia indica red rocket branch cutting propagation method. The method comprises the steps of (1) management of a stock seed tree, (2) determination of cutting time, (3) preparation of the rooting agent, (4) preparation of the cutting medium, (5) graft preparation, (6) ingraftment scion treatment and cutting execution, and (7) management and transplantation after cuttage. The tender branch cutting propagation method is easy to operate, low in cost and easy to apply and promote, and has significant application and promotion value in American lagerstroemia indica red rocket seedling production.

The invention discloses a lagerstroemia plant stem tip chromosome tablet preparation method which comprises the following steps of: selecting a part with a length of 0.5-1.0 cm at the innermost side of a lagerstroemia plant annual branch stem tip growing point or a newly-grown stem tip growing point after a branch which is pruned or refrigerated in early winter is subjected to water culture, fixing with stationary liquid (Ethanol: glacial acetic acid: chloroform is equal to 5:3:2 according to the to volume ratio), carrying out hypotonic treatment, carrying out hypotonic treatment again after mixed enzyme liquid is subjected to enzymatic hydrolysis and preparing a tablet by adopting a flame drying method. The chromosome tablet preparation method has the beneficial effects that the processes of pretreatment, dissociation and chromosome tabletting are omitted, the tablet preparation efficiency is improved through directly fixing, the toxic effect of pretreatment liquid and dissociation liquid on a chromosome is avoided, the original form of the chromosome is maintained, the better chromosome dispersion effect is obtained, and meanwhile, the sampling range and the time of lagerstroemia plant stem tip chromosome preparation are enlarged. The tablet prepared by the method can be used for a fluorescence in-situ hybridization experiment to lay a good foundation for the further research of a lagerstroemia genome.

The invention discloses a wall calligraphy artistic-forming method for Lagerstroemia plants in Lythraceae. The method mainly includes the steps of firstly, designing wall calligraphy artistic-form maps; secondly, raising seedlings and making a culture bed; thirdly, making and erecting a support net frame; fourthly, making and erecting an aerial-ladder dipped metal net frame; fifthly, planting for the first time, and performing trunk growth and text formation to twigs; sixthly, trimming seedlings and tying the twigs; seventhly, planting for the second time, and erecting a text wall control support frame and a trunk fixation and support frame; and eighthly, creating wall calligraphy artistic forms. Calligraphic and artistic forms of trunks are expressed on walls, so that ornamentality of the trunks is improved and seedling value is increased. The forming ladder system is continuously available for many years, requires short forming time and is long in service life. Complete forms are available for enjoyment all year round for many years. Standard and large-scale production is realized. The forms have artistic effect of wall calligraphy, and ornamentality and commodity value of the seedlings are increased.

A crape myrtle nursery stock cultivation method includes the following steps that a crape myrtle sapling with the trunk diameter ranging from 1 cm to 1.5 cm and for grafting is cultivated; a crape myrtle trunk with the diameter meeting expected requirements is cut into segments, the two ends of the crape myrtle trunk are sawn flat, and the crape myrtle trunk serves as a rootstock trunk; grafting of a root of the rootstock trunk is conducted; two or more longitudinal wedge-shaped long openings are formed in the lower end of the rootstock trunk, the crape myrtle sapling for grafting is excavated, the root system of the crape myrtle sapling is retained, the trunk and the canopy, above the position, 30-50 cm away from the root portion, of the crape myrtle sapling are cut off, the grafting portion is cut to be matched with that of the wedge-shape long openings in shape, is tied up through a grafting film after grafting, and is reinforced and fixed; the two ends of the rootstock trunk and the grafting portion are respectively coated with a layer of wound plastics, and the portion, 20 cm below the rootstock trunk top end is wound with a layer of protective film; after the above steps, the rootstock trunk with the grafting root is planted in the soil, the rootstock trunk is supported and fixed, a sunshelter is built, and daily cultivation management is conducted; half a year later after cultivation, the protective film is removed, the sunshelter is removed, and daily cultivation management is conducted.

The invention discloses a lagerstroemia plant living trunk curved timber artistic modeling cultivation method. The method includes the following steps that 1, structural analysis is conducted on a large curved timber tree; 2, overall design is conducted on the large curved timber tree; 3, a molding base is manufactured; 4, seedlings are selected and cultivated; 5, a curved timber control supporting frame is mounted; 6, seedling transplanting and managing are conducted; 7, seedling inarching and fixing are conducted; 8, healing, growing and molding are conducted; 9, high scion is conducted. By means of the method, standard and large-scale production can be achieved, fast molding can be achieved, and the commodity value and the ornamental value of seedlings are improved remarkably.

Disclosed are a preparing method and its product and application. Firstly, condense the pelagic unicellular alga in 1~2 degree, which is made into cream-condensed alga product, the dry it in low temperature or in vacuum, making the products which will not become harmful substance to juvenile of animal culture and can be diffused into alga juvenile of animal culture single cell with complete cell, finally, package it in vacuum or in nitrogen. The invention can be applied in all kinds of pelagic unicellular alga, and the products includes chlorella, nitzschia, chaetocero, can replace live pelagic unicellular alga to be applied in culture of seedling of animal culture in water, cultivation and strengthening of diet animal, especially for feeding diet animal .

The invention discloses a cultivation technology for keeping crape myrtle blooming continuously. The cultivation technology specially comprises the steps that firstly, after leaves fall in the autumn of the first year and before air temperature is decreased to zero degree, base fertilizer is annularly applied to the roots of the crape myrtle in a topdressing mode; secondly, when branches of the crape myrtle grow to 30-40cm in length in the spring of the second year, one third of the branches of the crape myrtle are selected for cutting-back, the parts, 10cm in length, of one third of the branches are kept during cutting-back, and two thirds of the branches, which are reserved, constitute a first set of branches which bloom firstly; thirdly, the cutting-back branches constitute a second set of blooming branches after sprouting; fourthly, when the first set of branches starts to bloom, 0.3% monopotassium phosphate and 0.2% urea are sprayed on leaves, and a foundation is laid for blooming of the second set of branches. According to the cultivation technology, by means of grouping and pruning of the branches of the crape myrtle, fertilizer supplement and other measures, the crape myrtle can bloom continuously as long as four months, the full-bloom stage of the crape myrtle can be kept around the National Day, a festive atmosphere can be added to the National Day, and an ornamental effect of the crape myrtle is improved greatly.

The invention provides a method for high-density cutting seedling of twigs of Lagerstroemia indica Pink Velour. The method comprises the following steps: (1) selecting cutting medium; (2) selecting cutting slips; (3) cutting; (4) managing after cutting; (5) hardening seedlings and transplanting. Compared with the prior art, the method provided by the invention not only has the advantages of simple condition, easy operation and low reproductive cost in the prior art, but also can increase the average root length of cut lagerstroemia indica obviously and can greatly increase the survival rate of transplanted seedlings.

The invention discloses a transplanting-free green cutting breeding chemical of crape myrtle and a method, and belongs to the technical field of seedling propagation. The chemical comprises the following effective components: sodium naphthalene acetate, indolebutyric acid sylvite, vitamin C, lanthanum chloride and cymoxanil zinc manganate. The invention also provides a transplanting-free, high-efficiency and low-cost method for preparing crape myrtle cutting seedlings. The method comprises the following steps: soaking green cutting slips in the chemical, then cutting the green cutting slips in a non-woven fabric bag for breeding seedlings, wherein the soaking depth of the cutting slips in the chemical is greater than 3cm, and the soaking time lasts for 5-10 minutes in the soaking treatment. The method is a high-efficiency and low-cost green cutting asexual propagation technique of crape myrtle; the method is high in propagation coefficient and can be widely applied to green cutting breeding of crape myrtle; the survival rate reaches over 95%; the production cost is reduced by over 30%. Through popularization and application of the method, the supply capability of improved variety of seedlings can be greatly improved; the great economic benefits can be realized.

The invention discloses a cuttage method for crape myrtle twigs with a low cost and a high survival rate, and belongs to the field of plantation. The method specifically comprises the steps of selection of cutting slips; preparation of treating fluid for roots; treatment of the cutting slips; preparation of cutting medium; cuttage of the cutting slips; management after the cuttage. According to the cuttage method, all the operational steps are reasonable in matching, and the survival rate of the cultivated cutting slips reaches 97% or above; due to the fact that the physical performance of the cutting slips is improved, the management cost is reduced in the cuttage process, the cost of the finally cultivated cutting seedlings is reduced by about 30% compared with a traditional method, and thus economic benefits are increased greatly.

The invention discloses to a cultivation method for a specimen tree, crape myrtle, which comprises a routine cultivation method with the steps: a. cultivation seedlings; b. inverted planting seedlings, that is, the top end of seedling is downward and the root is upward; c. sprouting and growing of seedlings, that is, new twigs are growing out from the trunks of the inverted seedlings; d. specimen forming, that is, trees are cared and pruned to lead the peripheral diameter of tree branches at the place 450 - 550mm above the ground to be 250 - 350mm and the peripheral diameter of tree branches at the place 800 - 1200 mm above the ground to be 60 - 150 mm; when overall height reaches 2500 to 3500mm, the trees can be sold. The invention has the advantages that: by adopting inversion cultivation method, the growth cycle are greatly shortened with high enjoyment and comparatively high survival rate.

The invention discloses a lagerstroemia plant earth garden art landscape style cultivation method. The method comprises the following steps of lagerstroemia plant earth garden art landscape style overall design, manufacturing and installation of a lagerstroemia indica single-plant directional trunk cultivation formwork supporting frame, manufacturing and installation of a directional trunk cultivation formwork, trunk cultivation site preparation and fertility improvement, single-plant trunk cultivation nursery stock selection and planting, single-plant nursery stock directional cultivation, art style field wiring and a building method of a channel, site improvement and lagerstroemia indica nursery stock planting site fertility, lagerstroemia indica single-plant approach grafting supportingframe manufacturing, single-plant ordered inarching, control and pruning of an overall style crown and maintenance and management of a lagerstroemia indica overall style. The method meets the requirement of a large or super large lagerstroemia indica trunk art combination style, increases the style patterns and landscape types of lagerstroemia indica art shaping trees, improves the ornamental effect of lagerstroemia indica and increases the nursery stock value of lagerstroemia indica.

The invention discloses a crape myrtle planting process technology which comprises the steps of field culture, pot culture, fertilization, disease and pest prevention and control and pruning. Pot culture conducted on grown-up seedlings obtained through cuttage of current-year old branches is a good rapid bonsai culture method, coiling, bundling and shaping are performed when spring twig growth stops and branches are lignified, bonsai at various postures are formed through traction of thin coir ropes. In fertilization, disease and pest prevention and control, crape myrtle management is generally extensive, shooting nitrogen phosphorus and potassium fertilizers are combined in the first ten days of March, and phosphorus and potassium fertilizers are applied in the last ten days of May to the first ten days of June to strengthen branches and promote flower formation. If diseases are found, Bordeaux mixture and 600 times of carbendazim are adopted for prevention and control. The growth demand for warmth preference of crape myrtles is met through reasonable testing and research, the adaptability is good, the problem that the crape myrtles are afraid of cold is solved. In the method, the lighting demand of the crape myrtles is fully considered, the conditions suitable for crape myrtle growth are summarized, a favorable growing environment is created, and the survival rate is improved.

The invention belongs to culture of microorganisms, and particularly relates to a method for producing fucoxanthin by heterotrophic culture of smooth nitzschia. The method comprises the following steps: preparation of a seed solution, fermental cultivation, extraction of the fucoxanthin from fermentation liquor after fermentation is finished and the like. The problem that the biomass concentration of the smooth nitzschia, the yield of the fucoxanthin and the content of the fucoxanthin are low under the condition of heterotrophic culture in the prior art is solved. The method has the advantages that the content of fucoxanthin in prepared dry smooth nitzschia powder is high, the yield of the fucoxanthin is high, the fucoxanthin is safer than fucoxanthin from large seaweeds, and while the production efficiency is improved and the production cost is reduced, pollution risks in a culture process is greatly reduced.

The invention relates to an interplanting method of hickory nuts and crape myrtle. The interplanting method comprises the following steps of selecting a field, selecting seedlings, performing soil preparation, digging holes, planting the crape myrtle, and grafting the crape myrtle by a conventional method; selecting hickory nut seedlings, and placing the hickory nut seedlings in a liquid medicine pot for soaking for one day before the hickory nut seedlings are planted; and by using the crape myrtle as a center, planting three hickory nut seedlings around each crape myrtle, fertilizing the crape myrtle every two months, fertilizing the hickory nuts every two months, and trimming and drawing branches in the fertilizing process once every one month. The interplanting method has the beneficial effects that the hickory nuts and the crape myrtle are interplanted, through the technique, not only is the problem that the soil is in short supply solved, but also the yield of the hickory nuts planted by the interplanting method is higher than that of the hickory nuts by a method for singly planting the hickory nuts, the nutrient value is high, and the survival rate of the crape myrtle is also increased by 15%-20%.

The invention discloses a garden pavilion artistic cultivation method of crape myrtle plants. The method includes the steps of artistic modeling designing of a crape myrtle garden pavilion; making andinstalling directional dry formwork supporting frame of crape myrtle single plant; making and installing single plant crape myrtle directional dry formwork; preparing dry site and fertility remolding; selecting and cultivating single plant dry seedling; directional single seedling cultivation; processing method of an inner plane of the crape myrtle pavilion and an access path; site transformationof the designed crape myrtle park pavilion and site fertilization of crape myrtle seedling planting; making crape myrtle pavilion single plant approach grafting support frame; single plant orderly approach grafting; growth and healing molding. The garden pavilion art of the crape myrtle plants is high in artistic value and ornamental value, and the ornamental effect and seedling value are improved.

The invention relates to a crape myrtle tender branch vessel cuttage method and belongs to the technical field of plant cutting. The crape myrtle tender branch vessel cuttage method comprises the following steps including the first step of cutting medium and vessel preparation, the second step of cutting spike selection, the third step of the cuttage process, the fourth step of the transplanting process, the fifth step of follow-up management and the sixth step of seedling adaptation, wherein S1, the cutting medium and vessel preparation is conducted, and sterilized perlite, an organic cutting medium, a nutrition pot, a cuttage disk and a water tank are prepared; S2, the cutting spike selection is conducted, and crape myrtle tender branches are selected for cuttage; S3, the cuttage process is conducted, and the crape myrtle tender branches are put into the water tank in a cuttage mode; S4, the transplanting process is conducted, and after callus tissues of the crape myrtle tender branches subjected to the cuttage are formed, the crape myrtle tender branches are transplanted into the nutrition pot and urgently need to be cultivated in the water tank; S5, the follow-up management is conducted, water level in the water tank is kept, and perpendicular incidence of sunshine on the water tank needs to be avoided; S6, the seedling adaptation is conducted, and then the cultivation is completed after the seedling adaptation. By means of the crape myrtle tender branch vessel cuttage method, the defect that entire tender branches can not be used in the existing crape myrtle cuttage technology is overcome, cuttage breeding production can be conducted in the whole crape myrtle growing season, large-scale crape myrtle breeding can be achieved, the survival rate is high, the finished products after the cuttage are container-grown seedlings, and the long-distance transport is facilitated.

The invention discloses a method for raising lagerstroemia indica seedlings by grafting in summer. The method comprises steps as follows: improved lagerstroemia indica lignified branches in the length of 8 cm-10 cm are taken as scions and treated from the early July to the late August, then the scions are grafted on lagerstroemia indica stocks with an improved cut-grafting method and bound and fixed with grafting films, the grafting films wrapping the scions are broken after 10-25 days so that new buds can emerge and grow. The method adopts an efficient and low-cost lagerstroemia indica grafting technique and can be applied to raising of lagerstroemia indica seedlings by grafting in summer in a large scale, and the survival rate is up to 90% or higher. With the popularization and application of the method, the supply capacity of improved lagerstroemia indica seedlings can be greatly improved, and the economic benefits are great.

The invention provides a high-survival-rate cutting method for oriental-red lagerstroemia indica. The method specifically comprises the steps that (1), a field is selected according to the growth habit of lagerstroemia indica, deeply ploughed for 20 cm, 1000-2000 kilograms of thoroughly decomposed farm manure is applied per 667 square meters of the field in the ploughing process, the field is raked finely and uniformly, and rectangular pieces are made at the distance of 30 cm; (2) between March and April, a strong lignified lagerstroemia indica branch with the age of two years or above is selected, a Y-shaped branch with the length of 6-10 centimeters is sheared off in a straight shearing mode, two subsidiary branch parts on the two sides are sheared shortly, and a cutting branch is obtained for use; (3) the sheared cutting branch is placed in disinfectant to be soaked for 2-3 hours and then taken out to drain water until no water drips off, a disinfection treatment agent is smeared on a cut, and the cut is protected against infection to increase the survival rate of the branch; (4) the root of the cutting branch is stained with nutrient slurry and inserted in one rectangular piece for cutting, the two subsidiary branch parts on the two sides are inserted in soil in the rectangular piece for cutting, and the main branch part on the upper portion is left; (5) fertilization is not applied from cutting to sprouting, and management is conducted through a conventional management method after sprouting.

The invention discloses a fast germination accelerating method for crape myrtle seeds. The method comprises the following steps: (1) seeds are put into a seed disinfectant to be soaked for 3-4 h; (2) the seeds are taken out of the disinfectant, the disinfectant on surfaces of the seeds are reserved, and the seeds are put onto a wooden sieve and fumigated with steam from under the wooden sieve for 14-18 min; (3) the seeds are irradiated with ultraviolet light for 15-20 min after being fumigated and then are sown. With the adoption of the method, the germination acceleration time of the crape myrtle seeds can be effectively shortened, the germination rate of the seeds can be relatively high, requirements of the crape myrtle seeds for fast sowing and seedling raising can be met, and the method is simple in operation and environment-friendly and has great popularization and use value.

The invention discloses a lagerstroemia transplanting method, and relates to the technical field of transplantation of greening trees. The lagerstroemia transplanting method comprises the following steps: planting; watering and applying fertilizer: watering lagerstroemia for 1-3 times in regions with spring drought, after autumn, applying composted human or livestock manure or urine or in May and June, applying liquid fertilizer for 1-2 times while watering; trimming: in the growth process of the lagerstroemia, removing lateral buds at the lower parts of stems at any time, and in the falling process of leaves, trimming leggy branches, deadwoods and ill branches, wherein 0.5-1 kg of a water-retaining agent is spread into filled fine soil in the planting process and the water-retaining agent comprises calcium chloride and potassium carboxymethyl cellulose in a ratio of 1: 1-3. By the lagerstroemia transplanting method, not only moisture absorption and water retention can be achieved, but also fertilizer, and potassium, calcium and metal elements can be supplied to the lagerstroemia so as to promote the growth of the lagerstroemia; the lagerstroemia transplanting method is particularly applicable to transplantation of arid regions; the survival rate can reach more than 90%.