What are the requirements for the cultivation of dwarf Lagerstroemia indica?

Because the dwarf Lagerstroemia indica is drought-tolerant and waterlogged-tolerant, the management is extensive, the annual seedlings are young and tender, and the moist soil is conducive to the growth of seedlings, so it is necessary to water them. Fertilization can be applied to perennial seedlings in spring and winter, and nitrogen fertilizer and compound fertilizer can be applied to seedlings in growing season to accelerate seedling growth. The planting density is suitable, and it is generally not sick. There are aphids, scale insects and other hazards in the growing season, so pay attention to prevention and control. Prune in spring, choose 2 ~ 3 robust buds for each branch, and cut off the rest. Prune every spring, and the retracted part of the branch must be cut off. The tree can be updated and adjusted by pruning. Gao Qian Lagerstroemia indica with a certain height and thickness is selected as rootstock, and dwarf Lagerstroemia indica is selected as scion for grafting. Combined with pruning, it can be cultivated into a spherical, umbrella-shaped, tower-shaped and vertically branched corolla. According to the vigorous growth characteristics of Lagerstroemia indica, it can also be trimmed into the style of Lagerstroemia indica, various geometric shapes, action shapes, woven screens and so on. The dwarf Lagerstroemia indica was selected as a potted plant. Miniature potted flowers can be made for seedlings born in the same year, or potted flowers can be made for two-year-old seedlings to promote and control flowers, and placed on May 1 and 11 festivals. 1 month Put the 2-year-old potted Lagerstroemia indica into the greenhouse, and control the temperature of germination, growth and flowering. It blooms in May 1 day, and the growing Lagerstroemia indica will be pruned again in early August, whether it is planted in pot or on the ground, and it will bloom in 1 October1day. Miniature bonsai with flowers can be made from seedlings of the same year, and one or two-year-old Lagerstroemia indica can be selected for medium and large bonsai, which can be bound and pruned year by year according to the design type, or grafted with local Lagerstroemia indica to form an ancient pile of Lagerstroemia indica bonsai.