In recent years, fruit trees have become the new favorite of potted plants, because of their branches and leaves, spring branches full of spring flowers, autumn fruitful, colorful, with elegant ornamental. When potted flower buds are differentiated, the management of fertilizer and water is an important step. In the process of planting and cultivation, when the shoots lack flower buds, they can be replenished with flower buds in the autumn, which can increase the rate of flowering and fruiting in the following year. First, grafting time. Grafting time is suitable to choose the best time from late October to November, the growth of potted fruit trees can be carried out one month after the defoliation. Choosing to grow vigorously, full of flower buds on the top of the back yang, branches and stems in 0.5-0.8 cm, with a length of about 10 cm with flower bud shoots, remove the base of the shoots and the tip of the shoots (pear, hawthorn flower buds are mostly at the top of shoots, according to the situation And choose scion). And we should choose to use a flower bud shoot with no disease and pest to do the scion, so that the grafting incision is easy to heal and does not germinate after that. Second, grafting method. Where potted fruit trees (such as apricots, apples, nectarines, flat peaches, plums, etc.) lack flower buds or require grafted pollination varieties (apricot and plum potted fruit trees, most of them are cross-pollinated, they can be grafted on the same plant in two or more varieties. The same variety of species) can be used for flower bud grafting. Grafting potted trees should be grafted on the branches where growth is advantageous or on the growing branches of 1-2 years. Before grafting, the potted trees that are to be supplemented with flower buds should be crowded with dense competition branches, overlapped branches, inner litchi and leggy branches, and branches with suitable growth orientation should be preserved. This can not only make up the branches but also improve the shape of the trees. Preparation before grafting using abdominal grafts: (1) Grafting knife requires sharpness and is soaked with potassium permanganate 0.5% solution for 2 minutes before grafting. (2) plastic film, with good elasticity, thickness of 0.15-0.2 mm plastic film, width 20 mm, length about 20 cm. Before grafting, first cut the length of the branch 8–10 cm, remove the leaves and retain the petiole, in order to prevent the spread of diseases and insect pests, to disinfect the scion, to prevent ticks and ticks, use 0.2% detergent to rinse the scion, 20 minutes After taking out, then wash with water, and then use a wet towel to keep warm. In use, the base of the scion is cut into a slightly thin side, slightly thicker on the other side, a wedge of 1.5 cm long, with a grafting knife at the base of the rootstock. - 3 cm oblique cutting a knife, the incision and the centerline of the rootstock into an angle of 30 degrees, the depth of the rootstock sticks 40% -50% of the diameter, and then cut the scion into the rootstock cut, thin side inward, thick side toward In addition, align the layers of the scion and rootstock, and do not insert all the noodles into it. The noodles should be exposed to 0.2 cm in order to enhance the growth of the wound healing tissue. The plastic grafts are tightly sealed and grafted, and wrapped around the base. The skin between the buds of the scions must be wound with a thin film. Third, management after grafting. In the autumn and winter, when pruning the potted trees, do not touch the scion, normal watering management can be, after the interface is healed, do not untie the tie, which is conducive to the graft interface to continue healing and growth. The spring scion guarantees normal growth and development of grafted flower buds, and the sprouting of the base of the anvil plant should be promptly erased.
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