87results about How to "Improve the success rate of grafting" patented technology

The invention provides a litchi grafting method, which comprises the following steps of scion and stock selection, grafting preparation, grafting and post-grafting management. Seedling litchi seedlings have arbor wood roots, the root systems are developed, and the grafting survival rate is ensured through selecting the seedling litchi seedlings as stocks; the seedling litchi seedlings and high-quality litchi seedlings belong to one family, the affinity between scions and stocks is high, the grafting success rate is greatly improved, and the growth speed of the grafted seedlings after the grafting can also be accelerated; the litchi seedlings have higher drought resistance capability, and the grafting survival rate can be ensured under the drought conditions, so the grafted litchi seedlings can bloom and bear fruit in three years. The litchi grafting method has the advantages that simplicity and convenience are realized, the survival rate is high, the coverage rate of high-quality litchi varieties can be improved, and the advanced blooming and fruiting of litchi can be realized.

The invention provides a sweet orange planting method. At a germination stage, 1-1.5kg of a germination fertilizer which is topdressed twice is applied per hole; the germination fertilizer comprises the following raw materials in parts by weight: 15-18 parts of urea, 8-12 parts of ammonium nitrate, 18-20 parts of potassium chloride, 35-45 parts of calcium superphosphate, 20-25 parts of diatomite, 1-2 parts of JT composite bacteria and 20-30 parts of biogas slurry; and at a fruit swelling stage, 3-5kg of a fruit swelling fertilizer, which is topdressed once in ring-shaped ditches with depth of 10-20 cm, is applied per hole; and the fruit swelling fertilizer comprises the following raw materials in parts by weight: 30-35 parts of urea, 40-45 parts of potassium chloride, 25-35 parts of calcium superphosphate, 2-5 parts of magnesium sulfate, 0.1-0.2 part of borax and 20-30 parts of biogas slurry. According to the sweet orange planting method disclosed by the invention, tree growth and fruit swelling needs of sweet orange are met by a proper nitrogen phosphorus potassium ratio; tree seedlings are strong in freezing resistance and resistance to plant diseases and insect pests; and the fruit yield is increased by 15%-20%.

The invention provides an inferior litchi tree top grafting method which comprises the following steps of scion and seedling tree stock selecting, stock grafting pre-managing, grafting, grafting method and grafting post-managing. A seedling litchi tree has an arbor root and has a developed root, and the survival rate of grafting is guaranteed. The seedling litchi tree and a superior litchi tree belong to the same family, a scion and a stock are strong in compatibility, the successful rate of grafting is greatly improved, and the growing speed of grafting seedlings after grafting is accelerated; the litchi tree has a strong drought and low temperature resistant ability, the survival rate of grafting can be guaranteed under a dry and low temperature condition, so that the litchi tree after grafting can blossom and yield fruits within a year and has the abilities of passing the winter in an open field and blossoming and yielding the fruits just in one year. The inferior litchi tree grafting method is simple, convenient and high in survival rate, the coverage of high quality litchi trees is improved, and the inferior litchi tree can be changed into the superior litchi tree.

The invention provides a longan tree grafting method. The method includes the steps of scion and stock selection, grafting preparation, grafting and management after grafting. According to the method, because the roots of seedling longan trees are arbor woody roots and a root system is flourishing, the grafting survival rate is guaranteed by adopting the seedling longan trees as stocks; because the seedling longan trees and high-quality longan trees belong to the same family and the affinity of scions and the stocks is strong, the grafting success rate is greatly improved, and the growth rate of grafted seedlings after grafting is also improved; because the longan trees have strong drought resisting and low temperature resisting ability, the grafting survival rate can be guaranteed under the conditions of draught and low temperature, and grafted longan trees can blossom and bear fruit within a year and have the ability of surviving the winter in the open field and blossoming and bearing fruit in the current year. The method for achieving top grafting of the high-quality longan trees through the poor-quality seedling longan trees has the advantages that operation is easy and convenient to carry out, the survival rate is high, the coverage rate of high-quality varieties of longan trees is improved, and the purpose of changing poor-quality seedling varieties into the high-quality varieties is achieved.

The invention provides a litchi tree grafting method which comprises the following steps of scion and seedling tree stock selecting, sapling seedling stock grafting pre-managing, grafting, applying a grafting method and grafting post-managing. A seedling litchi sapling tree has an arbor root and has a developed root, and the survival rate of grafting is guaranteed. The seedling litchi sapling tree and a superior litchi tree belong to the same family, a scion and a stock are strong in compatibility, the successful rate of grafting is greatly improved, and the growing speed of grafting seedlings after grafting is accelerated; the seedling litchi sapling tree has a strong drought and low temperature resistant ability, the survival rate of grafting can be guaranteed under a dry and low temperature condition, so that the litchi sapling tree after grafting can blossom and yield fruits within three years and has the abilities of passing the winter in an exposing mode and easy survival transplanting. The inferior litchi sapling tree grafting method is simple, convenient and high in survival rate, the coverage of high quality litchi trees is improved, and the popularization of good quality litchi trees are realized.

The invention discloses a grafting method for renewing and rejuvenating an ancient tree. The grafting method comprises the steps of ridging before ancient tree grafting, wherein high-quality soil with the thickness about 25 cm is added at the position in the range of a circle which has the radius of 2 m by taking a trunk of the ancient tree as a circle center; grafting material selecting, wherein potted strong seedlings of one to three years old and plants with bent seedling trunks and well-developed root systems are selected; grafting time selecting, wherein sunny days from late March to mid April are selected; grafting portion selecting, wherein the portions which are located on the base of the tree trunk and are about 10 cm away from the ridged portion are selected. An inlaid-type multi-point inarching method is selected, multiple strong seedlings (the number is specifically determined according to the thickness of the trunk of the ancient tree) are inarched along the base of the ancient tree, and the plant spacing is about 20 cm. The growth and development conditions of the grafted seedlings and the recover condition of the tree are both good. The treated ancient tree can basically recover exuberant vitality and vigor in a short time of 1-2 years, and the rejuvenating effect is very obvious.

The invention provides methods of inhibiting the growth of a shoot apical meristem of a cucurbit rootstock plant, comprising contacting a shoot apical meristem of the cucurbit rootstock plant with an effective amount of a composition comprising one or more fatty alcohols, thereby inhibiting the growth of the shoot apical meristem of the cucurbit rootstock plant. The present invention further provides methods for preparing and producing cucurbit rootstock plants for grafting and methods for grafting. Additionally provided are cucurbit rootstock plants and plant parts and grafted cucurbit plants produced by the methods of the invention.

The invention provides a method for grafting of chrysanthemum with Artemisia lavandulaefolia. The method comprises the following steps: scion and rootstock selection, grafting preparation, grafting, and management after grafting. The chrysanthemum is a famous ornamental flower, and is also one of the four famous flowers in China; meanwhile, the chrysanthemum facilitates to excessive growth and lodging, so the ornamental value of the chrysanthemum is restricted to a certain extent. By adopting grafting technologies of Artemisia in Compositae, the problems can be basically solved. The Artemisia lavandulaefolia belongs to Artemisia in Compositae, and has erect main stem, a plurality of branches, perennial herbs and well-developed root system; thus, through grafting of the chrysanthemum with the Artemisia lavandulaefolia, the survival rate of a grafted seedling can be guaranteed; the disadvantages of easy excessive growth and lodging of the chrysanthemum can be basically solved; and the ornamental value of the chrysanthemum is greatly increased.

The invention discloses a method for industrialized rapid breeding of walnuts, wherein multiple functional areas including a stock rapid breeding garden, a cutting orchard, an awakening room, an intelligent greenhouse grafting room, a healing room and a grafted seedling culture land are divided. According to walnut grafting cycles, the functional areas are connected; and production materials and labor force transfer are managed in an industrialized manner. Stock preparations and scion preparations are efficiently combined to a grafting assembly line, and the consolidant promoting healing of grafting wounds are used, so the grafting success rate can be increased; transplantation and seedling culture are linked rationally; operation steps are divided effectively; labor use time and growth time at each step are computed accurately; independent and cooperative relations between the functional areas are excavated fully; production batches are arranged rationally; and the industrialized rapid breeding is formed.

The invention relates to the field of planting, in particular to a peach tree grafting device. The peach tree grafting device comprises a fixed barrel and a cutting mechanism, wherein an air bag is fixed on the inner periphery of the fixed barrel, a fixed cavity communicated with the air bag is formed in the side wall of the fixed barrel, a fixed piston is glidingly connected into the fixed cavity, and fixed springs are further arranged in the fixed cavity; the cutting mechanism comprises a cutting barrel, a scion cutter, a rotating shaft and a stock cutter, positioning holes are formed in oneend of the fixed barrel, and positioning rods are fixed on the cutting barrel; the rotating shaft is in thread fit with the cutting barrel, rolling balls are arranged between the rotating shaft and the cutting barrel, and the stock cutter is fixed on one side, close to the fixed barrel, of the rotating shaft; a scion cutting tank is arranged on the rotating shaft, and the scion cutter is spiral and is fixed on the inner wall of the scion cutting tank. The grafting device in the scheme can cut scions and the stock simultaneously.

The invention relates to a top-grafting crown-changing method for a walnut tree in the full fruiting period. The top-grafting crown-changing method comprises the following steps: after fruits are harvested, trimming the root system of the walnut tree of which the crown is required to be changed; before germination in the second layer, removing branches of the walnut tree of which the crown is required to be changed; after germination in the second layer, in the growth period of new shoots, selectively retaining and cultivating a main branch according to the tree shape to be adopted, and retaining a plurality of branches as auxiliary branches; before or after germination of the walnut tree in the third layer, grafting a scion onto the selectively remained and cultivated main branch, and removing an auxiliary branch growing most prosperously; during summer management in the third layer, retaining all branches germinating on the scion and preventing the branches from being blown apart by wind, and inhibiting growth of the auxiliary branches; during winter management in the third layer, removing all the auxiliary branches, and trimming and managing the branches germinating on the scion according to backbone branches to finish top-grafting crown-changing treatment to the walnut tree in the full fruiting period. By the top-grafting crown-changing method, for a big tree in the full fruiting period, especially a tree, growing in a relatively poor soil condition, in the full fruiting period, and a tree with the tree age being 15 years or longer, the grafting survival rate reaches 100%, and the grafted tree grows healthily and strongly.

The invention discloses a grafting cultivation method for apple trees. The method comprises the following steps: step 1, selecting rootstocks; step 2, preparing scions; step 3, performing grafting treatment; and step 4, performing maintenance after grafting. The apple trees planted by the method disclosed by the invention have the characteristics of a high survival rate, a high yield and excellentquality, and the transplantation cultivation method provided by the invention can effectively improve a success rate of grafting, greatly reduce abnormal deactivation phenomena of transplantation andscion bud bodies, and realize rapid establishment of a larger-area apple orchard and has low costs; the apple trees have thin branches, small leaves and a stable and high yield, and are early mature,and the method has great significance for development of forestry and fruit industry production in China and improvement of economic benefits of apple growers; and at the same time, the transplantation cultivation method disclosed by the invention has the advantages of obvious technology, raw materials easy to obtain, lower costs, a simple process, higher practical value and good application prospects.

The invention relates to a synthesis method for polymer acrylate resin with photosensitive self-catalytic activity. The synthesis method comprises the synthesis steps: adding tert-butyldiphenylsilylchloride and 2-ethyl-4-methylimidazole serving as a catalyst into hydroyl-terminated polybutadiene liquid rubber under the protection of nitrogen, then, carrying out a reaction with HBr for 3-4 h, carrying out a reaction with an active unit containing a tertiary amine structure at 30 DEG C under the protection of nitrogen for 3-5 h, dissolving the product into a tetrahydrofuran solution, adding tetraalkyl ammonium fluoride serving as a catalyst, removing the solvent by rotary evaporation, adding isocyanate, finally, adding hydroxyl-containing acrylate, and carrying out a reaction at 70-80 DEG Cfor 1-3 h to obtain the polymer acrylate resin with photosensitive self-catalytic activity. The acrylate resin disclosed by the invention has the advantages of improving poor surface dry while improving the toughness after being cured by using an acrylate photosetting adhesive.

The invention provides a method for grafting chrysanthemum to Artemisia abaensis. The method comprises the following steps of selecting a scion and a stock; making grafting preparation; grafting; and performing management after grafting. The chrysanthemum is a famous ornamental flower and is one of four most famous flowers in China. But the chrysanthemum has defects of easy high growing speed and easy lodging. The ornamental value of the chrysanthemum is limited to a certain extent. The problems can be basically settled by means of Asteraceae Artemisia grafting technology. The Artemisia abaensis is an Asteraceae Artemisia plant and has advantages of straight and vertical main stem and multiple branches. The Artemisia abaensis is a perennial herb and has a developed root system. Through grafting chrysanthemum to the Artemisia abaensis, high survival rate of grafted seedlings can be ensured, and furthermore defects of easy high growing speed and easy lodging can be approximately settled. Furthermore the ornamental value of the chrysanthemum is greatly improved.

The invention provides a psidium guajave tree grafting method. The psidium guajave tree grafting method comprises following steps of scion and rootstock selection; grafting preparation; grafting; and management after grafting. A seedling psidium guajave sapling has an arbor woody root, the root system of the sapling is developed, and the grafting survival rate is guaranteed; the seedling psidium guajave sapling and a high-quality psidium guajave sapling belong to the same family and the scion has strong affinity with the stock, so that the success rate of grafting is greatly increased and the growing speed of the grafted sapling after grafting is also increased; the psidium guajave seedling sapling has strong drought resistance, and under the drought condition, the grafting survival rate can be ensured, so that the grafted psidium guajave sapling can blossom and bear fruits within two years. The method of grafting the seedling psidium guajave sapling with the high-quality psidium guajave sapling is simple and convenient and has the high survival rate; the coverage rate of the high-quality psidium guajave varieties is increased; and the fact that the psidium guajave tree blossoms and bears fruits in advance is achieved.

The invention provides a silicon dioxide coating additive with an ultraviolet absorption function. The silicon dioxide coating additive comprises a silicon dioxide-carbon quantum dot composite material, wherein the silicon dioxide-carbon quantum dot composite material comprises a main silicon dioxide body and carbon quantum dots embedded in the main silicon dioxide body, and the surface of silicon dioxide is grafted with a conjugate as shown in a general formula I which is described in the specification. In the formula I, the general formula of R1 is as described in the specification, wherein the tail end of Y is conjugated with R3 used for being conjugated with M, R3 is an amino or sulfydryl group, and M represents a nanometer metal particle; and R2 comprises at least one R4 conjugated with M and a long carbon chain, wherein R4 is an amino or sulfydryl group, and the main chain of the long carbon chain comprises at least 8 C atoms. The main silicon dioxide body and the carbon quantum dots are utilized to form a composite material, and actually, the main silicon dioxide body is utilized to provide a steering modification interface for the carbon quantum dots, so the carbon quantum dots have a good dispersion characteristic in an oil-soluble coating.

The invention provides a red peach seedling raising technique and belongs to the technical field of agricultural planting. The red peach seedling raising technique comprises the steps of tree stock selection, tree stock processing before grafting, grafting, emergent bud processing and daily management. The red peach seedling raising technique uses wild peach trees as tree stocks, so that cultivated red peach trees have the advantages that root systems have strong disease and pest resistance capability, the growing capability is good and a full bearing period is long. In addition, the tree stocks and scions are processed by using a mixed chemical A, grafted positions are coated with a material B, the phenomenon that connection of the grafted positions is hindered by 'oil production' during grafting of the peach trees is avoided, so that the grafting success rate is high.

The invention provides a padus wilsonii grafting method. The padus wilsonii grafting method includes steps of (1) a, growing seedlings on stock, to be specifically, preparing soil in the depth of 30-40 cm and fertilizing before sowing, and leveling the prepared soil to be a seedling growing field by a rake; b, treating seeds, specifically, harvesting ripe wild padus seeds in October, removing pulp and testa, filtering in clean water, airing the seeds in a cool place, sealing the seeds with a bag and covering the bag with sand, disposing in an outdoor cool place, soaking the sand covered seeds into cold water for 36 hours for accelerating germination in April of the following year, sowing the seeds when the germination rate of the seeds is up to 70%; c, sowing, specifically, sowing in lines, excavating sowing furrows on the seedling growing field, uniformly spreading the seeds in the sowing furrows and covering with the soil after sowing; d, managing, to be specifically, watering once after seedlings come up, watering three times from June to August, additionally fertilizing in the growth period and performing intertillage to loosen the soil and weed; (2) grafting. By the padus wilsonii grafting method, grafting survival rate is high and market requirements can be met.

The invention provides a grafting method for longan cut-grafting. The grafting method comprises the following steps of scion and stock selection, grafting preparation, grafting and managing after grafting. A longan seedling is a wooden root of arbor, and the root system is well developed, so that the survival rate of grafting is guaranteed. The longan seedling belongs to one same family with a high-quality longan seedling, affinity of a scion and a stock is strong, the grafting success rate is greatly improved, and the speed of growth of the grafted grafting seedling is also accelerated. The longan seedling has stronger drought-resistant ability, the survival rate of grafting can be guaranteed under a drought condition, and blossoming and fruit bearing of the grafted longan seedling can be achieved within three years. The high-quality longan grafting method of the longan seedling is simple and convenient, the survival rate is high, the coverage rate of a longan high-quality variety is improved, and blossoming and fruit bearing of the longan can be realized in advance.

The invention discloses a nutrient solution for pear tree grafting. The nutrient solution is prepared from, by weight, 8.2-18.6 parts of auxin, 20-40 parts of fermentation broth, 0.001-0.004 part of sodium molybdate, 0.4-1.5 parts of chelate iron, 1-4 parts of citric acid and 2-4 parts of activated carbon. The nutrient solution has the advantages that the nutrient solution can effectively increasethe content of L-phenylalanine ammonia lyase of the joint part of a stock and a scion and improve the activity of the L-phenylalanine ammonia lyase of the joint part of the stock and the scion, the compatibility of the stock and the scion is improved, and the grafting success rate is increased. After the nutrient solution is used for a period of time, the NR activity in scion cells is improved, the absorption capacity to NO3<->-N is enhanced, NH4<+>-N transformation and metabolism are fast, accumulation of NH4<+>-N is reduced, and meanwhile the scion soluble sugar, proline, soluble protein content and expression can be increased, the osmotic conditioning capacity of the scion is enhanced, and the salt tolerance is obviously improved.

The invention discloses an acer fabri Hance grafting method for the first time. The method specifically comprises steps of stock cultivation, preparation before grafting, stock production, scion selection, scion treatment, grafting and management after grafting. By means of the acer fabri Hance grafting method, acer fabri Hance scions with excellent characteristics such as good growth and development and unique flower types and flower colors can be grafted on stocks, and acer fabri Hance grafted plants can keep excellent traits of stock plants with an asexual propagation method. The grafting success rate is high, and the whole method is easy to master and has good development prospects.

The invention discloses a camellia oleifera seedling radicle grafting method which comprises the steps of camellia oleifera seed screening and sowing, nursery land selection and preparation, nutrient soil and container preparation, grafted scion collection and treatment, determination of proper grafting time, treatment of rootstock seedlings, radicle cutting, radicle grafting and container seedling management. Compared with the prior art, the method has the greatest difference that the radicles of camellia oleifera rootstock seedlings are used as grafting points and are subjected to multi-section cutting to obtain multi-section standard rootstocks, the number and quality of the grafted rootstocks are improved, the grafting cost is reduced, the standard rootstock seedlings are soaked in a plant growth regulator, the activity of peroxidase (POD) and polyphenol oxidase (PPO) is improved, callus formation is promoted. elongation growth of roots and branching are facilitated, and the survival rate of grafted seedlings is increased. The camellia oleifera seedling radicle grafting method has the advantages of being low in cost, high in grafting success rate, free of sprouts, high in improved variety purity, high in survival rate, convenient to construct and operate, capable of saving manpower and material resources and the like.

The invention provides a method for top grafting of a high-quality mango tree on a low-quality mango seedling tree. The method comprises the following steps: selecting a scion and a seedling tree stock; performing stock management before grafting; grafting; implementing a grafting method; and performing management after grafting. A mango seedling tree has an arbor woody root, the root system is well developed, and thus the survival rate of grafting can be ensured; the mango seedling tree and the high-quality mango tree belong to one family, and the scion and the stock are in good compatibility, so that the success rate of grafting can be greatly increased, and the growth speed of a grafted seedling can be accelerated after grafting; mango trees are relatively good in drought and low temperature resistance, so that the survival rate of grafting can be ensured under both relatively droughty and low temperature conditions, the grafted mango tree can blossom and yield fruit within one year and has the ability of surviving in winter in an open field and blossoming and yielding fruit in the same year. The method for top grafting of the high-quality mango tree on the low-quality mango seedling tree, which is provided by the invention, is simple and convenient and high in survival rate, the coverage rate of high-quality mango varieties can be increased, and the purpose of changing low-quality mangoes into high-quality mangoes can be achieved.

The invention discloses a Magnolia Grandiflora Linn gardening form directive culturing method, belongs to the arbor form cultivation method field, and aims to provide the Magnolia Grandiflora Linn gardening form directive culturing method capable of improving grafting success rate on the scion and stock grafting portion; the method comprises the following steps: nursery selection, stock cultivation, stock growth, nursery stock grafting, seedling trimming, lateral bud processing, branch selection, modeling trimming, and repeatedly trimming; the method is suitable for Magnolia Grandiflora Linn grafting and form directive cultivation.

The invention provides a method of modifying fruit trees by grafting ultralong scions. The method comprises the steps of S1, scion collecting and grafting; S2, grafting operation and management after grafting. The grafting method comprises the steps of scion water soaking, rootstock cutting, scion wood cutting, scion wood cuttage grafting and grating opening binding-up and clean water irrigation. According to the method of modifying the fruit trees by grafting the ultralong scions, technologies are adopted of subcutaneous grating of first ultralong scions of 70-80 cm, second ultralong scions of 40-50 cm and long sliced faces of 10 cm, simultaneous grafting of inter stock variety branches and grafting stocks, grafting of multiple high-order long or short scions and bridge grafting of long sliced faces and long attached faces, and clean water irrigation of grating openings is adopted to save and remedy sick trees and conduct variety improvement and tree shape modification. The ultralong scions have the advantages that the ultralong scions have many growth points, shaping is fast, the connection faces of the long sliced faces and the grating openings are large, the grating openings of the multiple scions heal quickly, and clean water irrigation after grating is adopted, which effectively increases the grafting survival rate, and improves the grafting efficiency.

The invention relates to an SBS (styrene butadiene styrene) composite material, in particular to a high-heat-resistant sisal fiber modified SBS composite material. The high-heat-resistant sisal fiber modified SBS composite material is prepared from the following ingredients in parts by weight: 50 to 70 parts of SBS, 6 to 13 parts of polypropylene, 5 to 10 parts of modified sisal fiber, 10 to 15 parts of methyl methacrylate, 2 to 5 parts of ceramic fiber, 0.5 to 2 parts of nanometer magnesium oxide, 0.5 to 2 parts of antioxidants and 0.5 to 1 part of lubricating agents. The invention also provides a preparation method of the SBS composite material. The SBS composite material prepared by the method provided by the invention has the characteristics of high temperature resistance, excellent anti-impact performance and the like.

The invention discloses a peach tree grafting method. The peach tree grafting method comprises the following steps of rootstock and scion selection, disinfection treatment, grafting, healing treatment and seedling transplantation, wherein the specific standards of the rootstock and scion selection refer to select the rootstock which grows strongly as the rootstock, branches of the scions which are moderate in seedling height, free of plant diseases and insect pests and full in buds as the branches, the disinfection content of the disinfection treatment is that a disinfectant is adopted to disinfect rootstocks and scions, the grafting method is an inarching method, the specific operation of the healing treatment is that an elastic bandage is adopted to fix the grafted rootstocks and the grafted scions, temperature and humidity are noticed, a nutrient solution is sprayed regularly, the specific operation of the seedling transplantation is to transplant the grown-up seedlings into a pot body, regularly apply fertilizer and pay attention to insect pest prevention. According to the peach tree grafting method, a cutting board and the scions are disinfected by arranging the disinfectant, and the nutrient solution is sprayed regularly, so that the grafting success rate and the survival rate of branch seedlings are greatly increased.

The invention discloses an orchard establishment method for an apple tree early fruit high-yield rootstock. The method comprises the steps of 1) planting and orchard establishment, wherein spring planting Xinjiang wild apple seedling orchard establishment is conducted; 2) autumn high picking, wherein in the autumn of the year after planting, good apple variety scions are selected, and woody budding is conducted at the portion, 60-70 cm away from the ground, of Xinjiang wild apple seedlings; 3) spring pruning, wherein before germination in the spring of the second year after planting, pruning is conducted at 0.5 cm above grafting buds to allow the grafting buds to germinate and sprout, the other lower germination branches are wiped out, and some branches are pulled in summer; 4) bending tubule, wherein in the third year after planting, the branches are pulled, and flower-formation is promoted; 5) high yield guarantee, wherein from the fourth year, the branch pulling and pruning are conducted in successive years to ensure the high yield. The method not only has the advantages of low cost, neat orchard appearance, small amount of pruning in the later stage, fast forming, strong tree strength, high yield, high fruit quality and the like, but also makes the fruit trees in the orchard antifreeze, drought-resistance and rot-and-disease-resistance, and the method bores fruits 2-3 yearsearlier than traditional orchard establishment.

The invention discloses a method for improving the germplasm creation efficiency of Chinese cabbage. The method specifically comprises the following steps: S1, preparation of stocks and scions: selecting a hybrid variety with a large root as a stock material, selecting a bolting-resistant spring Chinese cabbage hybrid variety as a scion material, and sowing and vernalizing stock and scion seeds; S2, field planting; S3, grafting environment management: enabling plants to grow by controlling the environment temperature to be 15-20 DEG C, and irrigating roots with a chlormequat chloride diluent when the plants sprout for 20 cm; S4, grafting condition selection: taking second primary branches of the stocks as grafting parts, and selecting primary branches with the length of 6-10 cm as the scion; S5, grafting: grafting scion buds on the stock plants; and S6, management after grafting: after grafting is completed, managing grafted plants by controlling the growth environment temperature. The method can effectively improve the embryogenesis rate of free microspores of the material difficult to embryogenesis, accelerate the purification speed of the Chinese cabbage material and improve the germplasm creation efficiency.

The invention discloses a sterile grafting method of Arabidopsis / thellungiella halophila and fills up the technical blank of related grafting methods in the prior art. According to the technical scheme, the method includes: using a sterile thellungiella halophila seedling 7-10 days after germination as the stock, and using the overground part of a sterile Arabidopsis seedling 3-5 days after germination as the scion; grafting under a sterile condition, placing the grafted seedling on a 1 / 2MS culture medium with agar powder concentration being 1.2%, performing vertical culture under 18-22 DEG C and short-day illumination, and transferring the grafted seedling into a 1 / 2hogland nutrient solution for water culture or nutrient soil culture. The sterile grafting method has the advantages that the method is simple and practicable, convenient to operate, capable of reducing pollution, high in survival rate, low in damage and low in cost; the sterile grafting method for different species provides a new thought for the varietal improvement of gardening, fruits, vegetables, and the like, and a basic guarantee is provided for plant grafting in plant molecular mechanism researches.