How to propagate flowers by grafting?

Grafting is a method of propagating new plants by grafting a part of a plant onto another plant. The branches used for grafting are called scions, the buds used are called buds, the grafted plants are rootstocks, and the seedlings after grafting are grafted seedlings. When the scion germinates new branches and leaves, it indicates that the new individual is formed by cutting off the sprouting branches of the rootstock. The dormant period of grafting is usually in the first and middle of March, and the grafting in autumn is from October to early December.

In the growing period, the grafting is mainly bud grafting, and the most suitable period is from July to August, such as peach blossom, rose and so on. The rootstock should choose plants of the same species or genus that are closely related to the scion with strong adaptability and strong growth, and the scion should choose the middle branch with full growth. The incision of grafting must be straight and smooth, and the materials bound by grafting should be cut into long strips with plastic film.

Cutting: cut off the upper part of the selected rootstock, cut off about 2 cm longitudinally on one side, slightly with xylem, expose the cambium, cut one end of the scion obliquely into 2 cm long, insert the rootstock, align it with the cambium and bind it firmly.

Lean on: put two plants of scion and rootstock in one place, cut off the close parts of two branches of the same thickness, both of which are 5cm long and deep to xylem, and then lean against each other and aim at the cambium so that the cutting surface is tightly fastened.

Bud grafting: multi-use T-shaped bud grafting, that is, the full lateral buds in the middle of the branch, cut off the leaf, leave the petiole, cut together with the branch to grow about 2 cm of bud, and then cut the skin of the rootstock into a T-shaped shape, cut open the cortex with a bud knife, insert the bud, fasten the bud and petiole with plastic film belt, and expose the bud and petiole.

The advantage of grafting propagation is that it can maintain the morphology and characteristics of parent varieties, enhance the ability to adapt to the environment, promote or inhibit growth, and blossom and bear fruit earlier. The disadvantage is that the reproduction capacity is small, the rootstocks that can live together are needed, the technical requirements are high, and the survival seedlings (called grafted seedlings) have a short life span.

How to propagate flowers by grafting is a method of connecting plant branches or buds (scions) to another plant (rootstock) and combining them into new plants. There are two types of grafting: branch grafting and bud grafting. The methods of branch grafting are leaning grafting, cutting grafting, splitting grafting, skin grafting and so on. The method of bud grafting is called bud grafting. The key to the survival of grafting is the affinity between the scion and the rootstock, that is, the ability of the two cambium to combine with each other to produce healing tissue and form a new individual. Generally, the affinity of the same species is the strongest, and there is a difference between plants of the same genus. The affinity between different genera of the same family is more difficult. When grafting, the sap of the rootstock begins to flow in spring, but the buds on the scion have not yet sprouted, and the method of bud grafting is usually used in summer. (l) docking. When grafted by the method of grafting, the anvil water and Jiede are first transplanted together, or one of them is first planted in the basin, selecting two branches of similar thickness, each cutting the same length, the cutting surface should be slightly longer and the depth should reach the middle of the branch, so that the cambium of the two branches are closely bonded, and then tied with plastic film. After survival, cut the scion from the mother plant and cut off the part above the interface of the rootstock. (2) splicing. Select one-year-old, strong-growing branches, cut into 6-9 cm scion, the same should have two or three buds, the lower end of the scion will be cut into a flat wedge. Cut off the branches of the rootstock about 5 centimeters from the ground, cut at the top 2 centimeters away from the xylem, so that the length of the cut is equal to the length of the cutting surface of the scion, and then insert the scion into the cut of the rootstock to make the cambium of the two closely joint. tie up the joint with plastic film strips, and bury the joint and scion with wet soil. What is grafting reproduction all about? What kind of flowers are grafted and propagated?

Flower bonsai net flower cultivation basic column: what is the matter of grafting reproduction? What kind of flowers are grafted and propagated?

Grafting propagation is the branch, bud or stem part of a good variety plant, grafted on a general variety or wild species, and cultivated into an excellent variety. The branches, buds, stems and leaves of superior varieties are called scions, and the general varieties or wild species that are grafted are called rootstocks. The flowers commonly used for grafting are peony grafted on peony, rhododendron grafted on spring cuckoo, sweet-scented osmanthus on privet, green peach on peach, Jasminum on dog claw wax plum, crab claw orchid on cactus and chrysanthemum on Artemisia argyi. The grafting method can be divided into three forms: branch grafting, bud grafting and flat grafting.

(1) Graft grafting: the splitting method is generally used. The main points are as follows: the time of ① grafting is when the root cambium of the rootstock begins to move and the sap begins to flow (the temperature is different in different areas, such as around the Rain and Water Festival in Chengdu). ② cut the scion into about 8 cm long, leaving 2 ~ 3 buds, and the lower end of the scion was cut into a wedge.

③ cut off the rootstock about 6 centimeters above the ground and cut off about 3 centimeters vertically to the cut of the rootstock. ④ inserted the scion into the cut of the rootstock and tied it with a rope.

(2) Bud grafting: the T-shaped bud grafting method is generally used. The main points are as follows: ① budding is usually carried out when the sap flow is active from July to September. ② scion to select robust branches, cut off the leaf body, leave the petiole, and then hold the branch upside down, 1 cm below the bud, cut to 2 cm, and then cut a knife into a shield bud. ③ in the rootstock about 6 cm from the ground, select the smooth section of the epidermis, cut the skin into a T-shape, about 3 cm longitudinally and 1 cm crosscutting. ④ picked off the bark of the rootstock with a bud handle, inserted it with a petiole holding the bud in his hand, and then tied it with plastic tape. ⑤ generally gently touches the petiole after half a month, which is easy to fall off, indicating that it is alive.

(3) butt grafting: mainly used for columnar or spherical flowers in cactus plants. The main points are as follows: the ① time is from March to April or from September to October. ② is crosscut with a knife at the appropriate height of the rootstock. In order to prevent the sag of the cutting plane, it is necessary to use a knife to cut 20 °~ 30 °along the cutting plane. The lower part of the ③ scion was also cut horizontally, and immediately placed on the section of the rootstock. Pay attention to the partial joining of the two vascular bundles. ④ then covers the top of the scion with foam plastic and binds it longitudinally with thin thread or plastic bag, or presses heavy objects on the scion. Then put on a plastic bag to prevent moisture evaporation from the interface.