æ££æ£ is a deciduous shrub belonging to the family Rosaceae, which is distributed from the Yellow River basin to southern and southwest China.
Lychee branches erect, branchlets green, often ribbed, plant height 1.5 to 2.0 meters. Leaves alternate, ovate to elliptic-ovate, with serrate edges. Flowering solitary branches, 5 petals, golden yellow, flowering from April to May. At the beginning of the summer, the golden petals swayed on the soft branches. The capsule is achene, dark brown, born on a disk-shaped receptacle, and the sepal remains. Admire the flowers in the summer and watch the green branches in the winter. In the garden, you can cluster on the sides of fences, walls, watersides, slopes, forest edges, and lawns, or as hedges, and arrange with rockery.
Xi Xiguang is also resistant to semi-shade, slightly tolerant to salinity, and is most suitable for neutral soils. In northern China, ramets or cuttings (especially those that are not strong) are used for breeding. The old roots were excavated before the spring sprouts sprouted. The knife was cut to the roots, the branches and branches were cut off, and the branches were planted in the soil. The water was poured two or three times, and the soil was watered afterwards. Before the winter, the ramets can also pay attention to the ramets after pouring enough frozen water. Cutting propagation is generally preceded by budding in early spring. Combine pruning and shaping, cut branches with a high degree of lignification from 10 to 15 cm, and insert 3 to 5 cm into loose soil that has been previously ploughed and ploughed. Plant spacing can be customized according to the situation. Keep the soil moist and enter the normal management after rooting.
During the growing season, pay attention to watering, summer weeding, after the end of autumn and flower Xie sparsely cut the old branches and residual flowers, and apply organic fertilizer twice in spring and autumn, and fill the frozen water in winter.
In summer and autumn, pests such as brown spot and codling moth occur. 150 to 200 times the equivalent of Bordeaux mixture or 65% of dexamethasone WP can be used 500 times every 10 to 15 days for control. 90% of the trichlorfon 1000 times was sprayed in June, but dimethoate and dichlorvos are liable to produce phytotoxicity on the leaves, so it is better to use less or not.
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