2233results about "Grafting" patented technology

The invention relates to the technical field of agricultural machinery, in particular to an automatic whole-row grafting device for grafted seedlings. The device comprises a rack (1), an electric control cabinet (3), a scion conveying mechanism I (5), a scion conveying mechanism II (8), a grafted seedling conveying mechanism (6), a scion clamping mechanism (87), a rootstock clamping mechanism (88), a scion seedling cutting mechanism (17), a rootstock seedling cutting mechanism (11), a scion seedling gathering mechanism (2), a rootstock seedling gathering mechanism (12) and an automatic whole-row grafting clamp conveying mechanism (89). According to the automatic whole-row grafting device for the grafted seedlings, plug seedling supply, whole-row seedling grabbing, seedling cutting, fixing and grafting of plug rootstock seedlings and plug scion seedlings are realized, and the whole operation process is automatically completed by a machine; the plug seedlings are rapidly grafted, the labor efficiency of grafting operation is improved, and the labor force is saved.

The invention discloses a high-quality and high-yield kiwi fruit planting method. The method includes the steps of 1), for site selection and soil preparation, selecting an area with fertile and loosening soil and good drainage for construction of field, building windbreak on the periphery, evenly mixing and applying 50-100kg of farmyard manure when planting pits are backfilled with topsoil, and building ridges higher than the ground level; 2), for seed collection and seedling raising, collecting fully ripe fruit, loading the fruit into a gauze bag for kneading, repeatedly washing with clear water and placing seeds indoors for drying in the shade; 3), for grafting cultivation, when the diameter of a sapling is greater than 1cm, cutting off scions 5-10cm away from the ground level on the sapling, retaining 2-4 buds, selecting a vigorous stock, and grafting the scions to the stock with the planting density of 2m*4m; 4), performing cultivation management including soil management, fertilizing management and water management; 5), for harvest storage, storing kiwi fruit by means of constant-temperature storage, low-temperature storage and air-conditioned storage. With the method, yield of the kiwi fruit is increased, and quality of the kiwi fruit is improved.

The invention discloses a high-yield cultivation method for pollution-free eggplants and relates to the technical field of pollution-free vegetable. The high-yield cultivation method mainly comprises the steps of (1) variety selection, (2) seedbed selection, (3) seed soaking and sprouting, (4) timely seeding, (5) seedling management, (6) grafting seedling, (7) soil preparation fertilization, (8) planting, (9) management after planting, and (10) pest control and prevention. According to the growth characteristic of the eggplants, the propagation of diseases through soil is prevented fundamentally in a grafting seedling mode, and the using amount and the residue amount of pesticides are decreased, so that high-quality pollution-free eggplants are produced; moreover, the yield and the quality of products are improved, and the economical benefit is increased.

The invention discloses a cultivation method for potted camellia nitidissima. The method includes the procedures of stock stump cultivation, stock stump potting and management, grafting propagation and pruning, and is characterized in that protection and management cultivation is carried out on good camellia nitidissima seed trees of ten years old or older in a nursery, scions are collected and grafted to cultivated camellia osmantha stock seedlings, and then a large quantity of good-quality potted camellia nitidissima can be obtained, wherein the camellia nitidissima seed trees are introduced from a camellia nitidissima native area. According to the method, based on various good stock seedling application characteristics of camellia osmantha, under the condition that the camellia nitidissima seed tree resource is quite limited, large camellia osmantha stumps are obtained through cultivation with a field cultivation method, then the cultivated large camellia osmantha stumps are transplanted into seedling growing bags for conservation and management, and then the camellia nitidissima and camellia osmantha large stock grafting cultivation method is developed; a large quantity of potted camellia nitidissima can be rapidly obtained, a foundation is laid for prompting industrialized development of potted camellia nitidissima, and good economic benefits, social benefits and ecological benefits are achieved.

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 discloses an intensive high-efficiency dwarf stock cultivation method for apple trees, and provides a garden building method including nursery stock selection, wide-row close planting, middle-stock burying and planting, trellis cultivation, shaping and pruning and the like. For different climatic conditions of different areas, different dwarf stocks are provided, and it is important to select suitable dwarf stocks in each area. The lengths of middle stocks of selected nursery stocks are kept uniform during garden building, the middle stocks are buried with soil during planting until the top ends of the middle stocks are exposed out of the ground by 1-10cm, and the burying depths of the middle stocks are uniform. The burying depths of the dwarf middle stocks relate closely to the sizes of crowns, and particularly, are of a great significance in building of gardens with high uniformity in crown size. The intensive high-efficiency dwarf stock cultivation method is suitable for the situation of China, and the built apple gardens have the advantages of low investment, early fruiting, high yield, high benefit and convenience in management.

The invention discloses a tomato seedling grafting technology and a management method thereof and belongs to the technical field of crop cultivation. The tomato seedling grafting technology comprises the following steps of: setting a seedling growing green house, selecting seedling substrate, selecting stock, carrying out pretreatment on seeds and sowing, grafting according to operating procedure and managing after grafting. The tomato grafting seedlings provided by the invention adopt 'Qieza No.2' as the stock, so that the seedlings have good disease resistance, and early germination potential is strong; besides, stem of eggplant stock is thick, so that survival rate of grafted seedlings can be beneficially improved; meanwhile, an approach grafting technology and a late optimized and reasonable management method are combined, so that the survival rate is further improved in a practical grafting process, growth vigour of the tomato seedlings after grafting is strong, late fruit setting time is ahead of schedule, fruit yield is high, pulp colour is pure, taste quality is good, and commodity performance is extremely high.

The invention discloses a greenhouse planting method for high-sweetness dragon fruits. The method comprises the following steps that 1, site selection, greenhouse building and frame erecting are carried out; 2, a soilless culture medium is prepared and laid; 3, rattle stick dance seedling is selected, and is subjected to cuttage and fixing; 4, the dragon fruits of the excellent variety are selected for grafting, and topping and pinching are carried out; 5, compound organic fertilizer is applied to the roots of dragon fruit plants, and the humidity of the medium is kept to be 70%; 6, in a flowering period, artificial crossing pollination is carried out; 7, in a fruiting period, ventilation and cooling are carried out, and nutrition is enhanced; 8, picking is carried out. Soilless culture is adopted for planting the dragon fruits, and the time of the dragon fruits entering a full productive age is shortened by one year, so that economic benefits are increased. In the fruiting period of the dragon fruits, the dragon fruits are subjected to nutrition enhancing operation, and therefore the sweetness of the planted dragon fruits is very high. The obtained dragon fruits have the capacity of resisting diseases, pests and draught, and therefore fertilizer or hormone or pesticide is not needed. The requirement for a site selection condition is reduced, and therefore a positive promoting function is achieved.

The invention discloses a grafting method taking masson pine tissue culture seedlings as stocks. The grafting method comprises processes of stock cultivation, scion preparation, seedling grafting and post-grafting management and protection; by taking the masson pine tissue culture seedlings cultivated for 4 to 6 months as the stocks and collecting bud sticks germinating on stock plants as scions, grafting is performed by adopting a split grafting method in December to January or in March to April; grafted seedlings are cultivated under the conditions of suitable light and humidity, and water and fertilizer management and pest control are performed by a conventional method. According to the grafting method disclosed by the invention, the masson pine tissue culture seedlings with developed roots, vigorous metabolism and rapid growth are cultivated through a tissue culture technological means to serve as the stocks, therefore not only can the seedling period of the stocks be shortened and the grafting survival percentage be increased but also the genetic gain of an excellent variety is ensured; adverse effects brought by the fact that heterogeneous-stock grafting is performed by taking slash pines as the stocks widely in masson pine grafting in production at present are effectively avoided, and the working effect of masson pine tissue culture stocks is greatly promoted; the grafting method has a broad application prospect, and has better economic benefit, social benefit and ecological benefit.

The invention relates to a seedling scion grafting method, which comprises the following steps of (1) sun-shading greenhouse, cutting seedling bed and cutting substrate preparation; (2) scion and stock preparation: new tips of a well-bred parent tree under the healthy growth condition are selected as scions, new tips of a well-bred parent tree under the strong growth condition are selected as stocks, the length of the stocks is about 2 to 10cm, 1 to 2 sections of leaves are left, and the left leaves are positioned in positions being 1 to 2cm below an upper shearing opening and positions being 1 to 4cm above a lower shearing opening; (3) stock pretreatment; (4) grafting: a cleft grafting method is adopted, the stock is flatly placed to be tightly adhered to a base plate, and a split opening with the length being 0.5 to 1cm is longitudinally cut in the position of the upper shearing opening, the scions with the length being 2 to 3cm is sheared, 1 to 2 buds are remained, a two-sided wedge shape with the sharp top end and the length being 0.8 to 1.2cm is cut in a position being 1cm below a scion leaf, the cut scions are aligned with the split opening of the stock, in addition, at least one side is required to form layer aligning, the cut scions are slightly inserted so that the cut scions and the stock are tightly pasted, the middle position of an aluminum sheet covers a grafting opening, and the aluminum sheet is tightly pinched and folded back so that the fixation is realized; (5) cottage; and (6) daily management.

The invention discloses a cherry grafting and cutting propagation method. The cherry grafting and cutting propagation method comprises the steps that annual branches are collected from a cherry tree and a cherry stock tree in autumn and in winter respectively; a cion and a cutting shoot are cut, the long cut surface of the cion is inwards inserted into a cut opening of the cutting shoot, and the cut surface of the cion and the cut surface of the cutting shoot are firmly twined by means of a grafting film; the grafted cutting shoot is placed in a storage box laid with a plastic film in the growing direction of the branch, and after the grafted cutting shoot is stored at room temperature for half a month, the plastic film is opened for ventilation every three to five days and then the grafted cutting shoot is wrapped in the storage box again; organic fertilizer is applied in late autumn and early winter for preparation of cuttage and seedling breeding, nitrogen-phosphorus-potassium mixed fertilizer is applied on a seed bed in spring of the next year, the seed bed is covered with black mulching film, the temperature rises back to 10 DEG C or over 10 DEG C in spring, and cutting shoots obtained through well healed cions are selected for conducting cuttage according to spacing in the rows and spacing between rows; after the cion germinates, a main branch is formed by a robust bud, the other buds are removed, and fertilization is applied properly during growth of the nursery stock. The height of the nursery stock reaches 1.2 m and the thickness of the nursery stock reaches 0.5 cm or over 0.5 cm after the nursery stock is cultured for one year. According to the cherry grafting and cutting propagation method, it can be guaranteed that nursery stocks are uniform, and the survival rate of the nursery stocks is increased; meanwhile, the seedling growing period is effectively shortened, and production cost is reduced.

The invention relates to a method for grafting and shaping tree bodies of perennial seedling walnut trees. The method comprises following steps of: (1) selecting seedling walnut trees at tree age of more than 5 years as stocks, adopting an improved bark grafting mode in such a manner that scions are connected to stocks, dewatering outlets are arranged right under vertical knife edges of the stocks to the depth of xylem parts, diversion pipes are inserted to the dewatering outlets, scions and stocks are sealed and bound, the dewatering outlets and the diversion pipes are sealed and bound; and (2) shaping after grating. The method for grafting and shaping tree bodies of walnut trees has following beneficial effects: prior to grating, water is drained off on main trunks in order to reduce impact of root pressure upon upper main brunches on the ground in order to be favorable to graft union; grating survival rate is increased; the diversion pipes are inserted in directions facing the stocks of scions so that water is completely drained off; technology of the diversion pipes is adopted in order to reduce breeding influence during grating and comprehensively increase survival rate of walnut grating; and seedling walnut trees can be produced prematurely and stably in high yield.

The invention discloses a tomato grafting and seedling-growing method, which includes steps of (1), preparation of substrate; (2), stock scion sowing and management; (3), grafting; (4), grafting seedling management. The method can greatly improve the survival rate of the tomato grafting seedling.

The invention discloses a secondary grafting method of hongyang kiwifruit. The secondary grafting method includes: cultivating first-grade grafting stock actinidia valvata; grafting actinidia valvata and a wild kiwifruit variety, and growing seedlings; grafting hongyang kiwifruit at a high position of the wild kiwifruit after growing for one year for cultivation. By adopting the method, the hongyang kiwifruit is high in adaptability and can normally grown in places different in altitude, terrain, soil and river valley and flat ground, so that kiwifruit cultivation area can be widened. The hongyang kiwifruit is high in yield, large and regular in fruit shape, orderly in size and good in taste, and the problem that actinidia valvata and the hongyang kiwifruit are low in affinity and grafting survival rate is solved.

The invention discloses a full-automatic mechanical grafting device which comprises a rack. A first conveying belt and a second conveying belt are arranged below the rack, one side of the first conveying belt is provided with a fourth overturning seedling-supply mechanism, one side of the second conveying belt is provided with a fifth overturning seedling-supply mechanism, a docking mechanism forgrabbing stocks and scions and making the stocks and scions coaxially arranged at intervals is arranged on the rack, a cutting mechanism for cutting the stocks and scions is arranged on the rack, a driving mechanism for dragging a thermal shrinkage belt is arranged on the rack, a shearing mechanism for cutting the thermal shrinkage belt is arranged between a belt reel and the driving mechanism, amanipulator for grabbing the thermal shrinkage belt and arranged between the stocks and the scions is arranged on the rack, a first driving part for driving the stocks to be butt joint with the scionsis arranged on the rack, a hot drying part is arranged on the rack, an output conveying belt is arranged above the second conveying belt, the manipulator transplants grafted seedlings in holed trays,and the whole trays are output by an output conveying belt. The full-automatic mechanical grafting device has the advantages that the full-automatic mechanical grafting device can achieve automatic grafted seedling supply, mechanical grafting and full automatic grafting of transplantation, accordingly greatly improves the grafting efficiency and automation and reduces the labor intensity and labor cost.

The invention provides a dud grafting method for apocarya, and belongs to the technical field of plant vegetative propagation seedling culture. The method includes the following steps of bud grafting period selection, scion collection and storage, grafting, management conducted after grafting, stock pruning and the like, wherein a bud grafting knife limited by the method is adopted for scions. By using the novel bud grafting knife, the bud grafting utilization rate and the work efficiency are greatly increased; meanwhile, by using a browning prevention agent, tissue browning can be effectively relieved, smooth conduction of the bud grafting technology is facilitated, and the grafting survival rate is increased; the bud grafting method has the advantages of being easy to operate, high in efficiency, capable of fully utilizing cutting materials, stable in survival rate, and the like. The bud grafting method is also suitable for forest and fruit trees such as walnut trees, sophora japonica trees, persimmon trees and olive trees.

The invention discloses a cultivation method for camellia oleifera tree seedlings, and relates to the technical field of cultivation of nursery stocks. According to the cultivation method, the survival rate of grafted seedlings is greatly increased by selecting tea seeds, cultivating rootstock seedlings, selecting good clone scions, grafting the scions and the rootstock seedlings, planting the grafted seedlings into a light-medium non-woven cloth container, covering the container by a plastic thin film, building a covering shade above a seedbed, controlling the temperature and the humidity in the plastic thin film and preventing and treating plant diseases. The cultivation method disclosed by the invention is used for directly planting the grafted camellia oleifera seedlings into the light-medium non-woven cloth container for cultivation and the grafted camellia oleifera seedlings can grow fast without seedling recovering; the seedling qualification rate is about 60 percent; the seedlings are convenient to carry; the time and the labor are saved, and the labor can be saved by 50 percent; the qualified seedlings are not needed to be transplanted again, and the roots of the grafted seedlings are not injured; the grafted seedlings are planted in the light-medium non-woven cloth container, so that the survival rate is high, and the large-area afforesting survival rate is 93.7 percent.

The invention discloses a grafting method of Magnolia wufengensis. A Magnolia denudate nursery-grown plant is taken as a rootstock, a current-growth branch of the Magnolia wufengensis is taken as a scion, and when the branch has a lignifying tendency in autumn, grafting can be started. The grafting method has the following steps: cutting an angular cut reaching xylem closely at the inner side of a phloem portion, then, performing longitudinal vertical sliding cutting downwards from right above the angular cut to the angular cut so as to cut a flat and smooth long tangent plane and ensure that the exposition position of the long tangent plane is mainly disposed on a cambium layer; performing sliding peeling downwards at the opposite side of a scion axillary bud to form a flat and smooth long-horse-ear-shaped tangent plane, wherein the tangent plane bridges over the diameter of the whole branch, a heart center is seen below the middle of the long-horse-ear-shaped tangent plane, and the axillary bud is sheared at a position 0.8 to 1cm away from the upper portion of the axillary bud; and carrying out scion colligation. According to the grafting method provided by the invention, the grafting butt joint surface is enlarged, the more callus a wound generates, healing can be speeded up, through such a means, the technical difficulty of rapid breeding of the Magnolia denudate is solved, and the technical defect is detected that the survival rate by use of a conventional Magnolia denudate grating method is low.

The invention provides a local breeding technology for the virus-free seedling of Korla pear. The technology comprises the following steps: 1) raising the seedling of Korla pear by grafting; 2) raising the virus-free seedling by using the stem tip of Korla pear; 3) carrying out T-shaped bud grafting; and 4) cultivating Korla pear by using a flat shed net rack. According to the invention, through virus-free cultivation and micro-grafting of the stem tip of Korla pear, virus-free cultivation of the seedling of Korla pear is realized and the high-quality Korla pear seedling is produced; since appropriate rootstocks are selected from local Korla pear rootstocks, a cultivation model for Korla pear applicable in acidic soil is established; and since Korla pear has a shed frame shape, ventilation and light transmission are realized, strong wind resistance and high fruit quality are obtained, and management is easy.

The invention relates to a quick cultivation method of grafted sweet cherry seedlings and belongs to the field of plant cultivation. The method comprises steps as follows: collection and storage of variety scions; preparation of a cutting bed, cuttage and management after cuttage of rootstock, grafting of the scions and management of nursery stock after grafting. A greenhouse is adopted for special cultivation, grafting of the variety scions is performed in the second half of May, transplantation can be performed in the very year after leaf falling, the seedling raising time is greatly shortened, and the grafted sweet cherry seedlings are obtained quickly. With the adoption of the method, sweet cherries only take one growth season from rootstock seedlings to transplantation of the grafted variety scions, and cultivation time of the grafted sweet cherry seedlings is 1 year shorter than that of the seedlings cultivated with a conventional seedling raising method. The nursery stock can be transplanted after leaf falling in the early winter, the seedlings are 1.5-2.0 m high, the base of each seedling is 1.0-1.5 m thick, sprouts are plump, the germination rate is high, and the nursery stock is high in quality and strong. The seedling raising cost is greatly reduced due to the fact that the seedling raising time is shortened by 1 year.

The invention relates to a cultivating method for grafting carya cathayensis with carya hunanensis as rootstock, and belongs to the technical field of grafting. The cultivating method includes the four steps of selecting and treating the rootstock, collecting and treating scions, grafting and managing cultivating. Through the application of the method, the grafted plant is good in grafting healing, higher in survival rate and rapider in grafted-plant growth; the carya cathayensis is wide in suitable-planting range and higher in drought resistance, flooding tolerance and sunscald resistance.

The invention discloses a pear tree planting method. The method comprises the following steps of 1, performing contour planting, and building a horizontal stair type orchard; 2, digging large tree holes, and applying enough base fertilizer; 3, planting an improved variety of strong seedlings; 4, performing field planting; 5, performing soil, fertilizer and water management; 6, performing pruning; 7, performing pest control; 8 performing harvesting. The method has the advantages of being high in yield, good in quality and high in continuous fruiting rate.

The invention relates to a high-quality fruit-tree sapling cultivating method. The high-quality fruit-tree sapling cultivating method includes steps of selecting a resistant stock of a fruit tree, accelerating germination of laminated stock seeds and sowing the seeds into a nutrition bowl or a hole plate, transplanting to the land after four to five months, picking buds when the stock grows into 50-120 cm, accelerating branches, properly grafting the branches to required varieties when the branches grown into the thickness suitable for grafting, lifting the saplings for the second time and then planting the saplings with cut main roots, ridging and planting the saplings with the cut roots in cultivating belts, applying base fertilizer, reinforcing management, accelerating before controlling by microbial nutrition fertilizer, and selling the nursery stock. By the high-quality fruit-tree sapling cultivating method, high-stress-resistance high-quality fruit saplings with strong fiber roots and strong and robust ground tissues and without principal roots can be cultivated.

The invention discloses an apple grafting method, and belongs to the technical field of grafting. The apple grafting method includes taking a rock candy pear tree as a stock, fertilizing the stock before grafting, cutting off the top of the stock, wrapping the stock with plastic, cutting off an eyed portion of an apple tree, taking the eyed portion as a scion, cutting the scion into the 'W' shape, soaking the scion in 1-naphthylacetic acid, cutting an 'W'-shaped notch in an eyed position of the stock, inserting the scion into the notch in the stock, spraying a nutrient solution, binding and fixing the scion and the stock with a film tape, exposing grafted buds and performing final-period management. The apple grafting method has the advantages of high grafting survival rate and low apple seedling cultivation cost.

The invention discloses a muskmelon organic cultivation annual production method and relates to the technical field of muskmelon cultivation. The muskmelon organic cultivation annual production method includes the following steps that 1, a proper place is selected to establish an organic muskmelon production base; 2, a proper muskmelon variety and a stock variety are selected and used for grafting and seedling; 3, a paddy-upland rotation cultivation pattern adopts the sub-steps of spring crop muskmelon, late rice, astragalus sinicus green fertilizer (a first year), early rice, autumn crop muskmelon and vegetable pea (a second year); 4, the spring crop muskmelon is firstly cultivated on half of the base area, the late rice is cultivated after the muskmelon is harvested, the autumn crop muskmelon is firstly cultivated on the other half bas earea, the vegetable pea is cultivated after the muskmelon is harvested, and then cultivation is performed according to the rotation cultivation pattern. According to the cultivation pattern, not only can the production of the organic muskmelon be achieved, but also the production of the spring crop muskmelon and the autumn crop muskmelon every year is achieved, 1-2 batches of muskmelon can be harvested for every crop muskmelon, and therefore the annual production and supply of the organic muskmelon are achieved.

The present invention discloses an oil tea root grafting propagation method in autumn. The oil tea root grafting propagation method comprises the steps of young stock cultivation, grafting propagation and seedling management operation. The oil tea root grafting propagation method comprises the steps of using seedlings obtained from oil tea seed sand storage accelerating germination as stock seedlings, grafting collected semi-lignified or lignified oil tea cuttings to the cultivated oil tea stock seedlings, planting and cultivating the oil tea cuttings in a seedling growing container equipped with seedling growing substrate, and obtaining oil tea seedlings through seedling management after grafting. Oil tea seedling roots are used as stocks for grafting in autumn, utilization rate of the cuttings can be effectively increased, oil tea seeds are saved, survival rate is high, seedling quality is good, qualified seedling percentage is high, and grafting labor shortage is alleviated by seedling growing in batches, thereby facilitating labor dispersion. The oil tea root grafting propagation method has good economic, social and ecological benefits.

The invention discloses a watermelon planting management method. The method comprises the following steps of 1, nutrient soil arrangement; 2, seed soaking for accelerating germination; 3 sowing and seedbed construction; 4, grafting; 5, field planting and final singling; 6, pruning and vine hanging; 7, artificial supplementary pollination; 8, irrigation and topdressing; 9, disease and pest control; 10, water melon drying, covering, turning, selecting and hanging. Compared with the prior art and traditional watermelon planting methods, the watermelon planting management method is low in cost and high in universality, the survival rate of field-planted seedlings can be effectively increased, the disease and pest occurrence rate can be effectively lowered, the yield of watermelons can be increased, and the appearance and quality of the watermelons are guaranteed.

The invention discloses a high position grafting method for magnolia wufengensis. By taking a yulania spach tree as a rootstock and a current-year twig of magnolia wufengensis as a scion, the twig as autumn comes has inclination to lignification, and the twig can be started to be grafted; the method comprises the four steps: rootstock cultivation, rootstock treatment, scion cutting and scion binding. By using a large-sized nursery stock as the rootstock, the large-sized nursery stock can be sold after 3-4 years of grafting. The newly germinated twigs of the rootstock are exuberant in vitality, strong growth vigor, fast in cell tissue division and more in formed calluses. The newly germinated twigs of the rootstock and the scion are cut to long sections, so that the exposed part of the formed layer is more, the butt plane is expanded, and the calluses generated at wounds are more, thereby accelerating concrescence. The technological difficulty that the magnolia wufengensis is low in survive rate, and the technical defect that the large-sized nursery stock is long in cultivation period is overcome.

The invention belongs to the technical field of fruit tree cultivation and particularly relates to a novel grafting reformation method for large Yunnan walnut trees. The method is characterized in that the selection of scions and stocks, grafting time and a grafting technology are improved; by the adoption of technical means of grooving water drainage and delayed grafting, the grafting survival rate of the large walnut trees is remarkably improved. The method is simple to operate and easy to popularize.

The invention discloses a method for grating potted seedling cultivation of watermelon in summer. The method includes the following steps: (1), preparing a matrix; (2), priming stock seeds; (3), managing a stock seedling bed; (4), priming scion seeds; (5), grating; (6), managing when grafted seedlings survive; (7), managing after the grafted seedlings survive; (8), hardening and strengthening seedlings. By the method, strong grated watermelon seedlings can be cultivated in a batched manner, seedling cultivation production efficiency is improved remarkably, facility utilization rate is increased, manpower is reduced, and cost is lowered. The method is convenient in management, easy in operation, conducive to uniform management and popularization of new varieties and new technology, so that a lot of producers can be benefited directly.