First, after the survival of a high-grafted apple tree in spring, new shoots often sprout from latent buds on most parts of the tree, which can hinder the growth of new branches following head replacement. To encourage healthy growth, it's important to remove these unwanted sprouts promptly, allowing the grafted area to develop properly. Second, once the graft has successfully taken, the new shoots will grow quickly, and the grafting site will become swollen. If the tying is not removed in time, the tie may cut into the bark, restricting the development of new growth. Therefore, it's essential to loosen or remove the ties only after the graft has fully healed to ensure proper development. Third, as the tree starts to form its structure, the vigorous growth of new shoots is supported by the strong root system of the rootstock. Pruning at the right location helps increase the number of lateral branches, promoting a well-balanced canopy and setting the stage for future high yields. Fourth, after grafting, the new shoots are tender and not yet fully lignified, making them vulnerable to wind damage. It’s important to provide support by tying them to wooden stakes. In late May, twisting back the branches can help improve their angle and promote better fruiting. The annual tip should be kept at around 6-7 shoots. By August, litchi (a type of pruning technique) can be applied to encourage flowering. Litchi begins about 5 cm from the base of the shoot, gradually moving upward. Each time, 2-3 buds are selected, and the angle is increased to 90 degrees. This process is repeated, reducing the intensity of litchi over time to maintain balance. Fifth, after successful grafting, it's crucial to enhance fertilization and irrigation. Applying top dressing regularly supports the tree’s recovery and growth. Typically, within 5 to 7 years, the original canopy size can be restored, ensuring the tree regains its productivity. Sixth, pest and disease control becomes even more critical after grafting, as the new shoots are more concentrated and susceptible to damage. Particularly, pests such as aphids and diseases like stem rot tend to be more severe during this period. Regular monitoring and timely treatment are essential to protect the tree’s health and ensure long-term success.
Due to the irregular characteristics of the pelvic structure, the choice of internal fixation is diverse.
For patients separated symphysis pubis, a 2 or 4 holes, 4.5 or 3.5mm diameter dynamic compression plate or reconstruction plate can be used and fixed with full-thread cancellous bone screws.Another method of fixation is lag screw fixation. In patients with new sacroiliac joint dislocation with a forward approach,firm fixation can be achieved by using 2holes 3.5mm dynamic compression plates through the front of the sacroiliac joint. The posterior approach can also be used to insert 6.5mm lag screws into the sacral wings or hollow cancellous bone screws with interosseous compression for firm internal fixation. If available, the fracture may be fixed with 3.5mm or 4.5mm pelvic reconstruction plates and appropriate full-thread cancellous bone screws.
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