Fortune Telling Collection - Ziwei fortune-telling - Wei Zi comes every few days.
Wei Zi comes every few days.
(1) planting
1. Ground planting: it should be planted after defoliation in 1 1 to March of the following year. When planting, leave the trunk 100~ 120 cm high and cut off the upper part. After the new spring bamboo shoots grow, choose 3~4 main branches with suitable angles and let them blossom.
2. Potting: Potting seedlings with old branches is a good way to quickly cultivate bonsai. Because the branches of Lagerstroemia indica are soft, potted Lagerstroemia indica can be properly climbed and bound. Generally, when the spring shoots stop growing and the branches tend to be semi-lignified, they are coiled and drawn with thin brown ropes to make bonsai in various postures.
(2) Fertilization and pest control
Generally, crape myrtle management is relatively extensive. Spraying fertilizer in early March, combined application of nitrogen, phosphorus and potassium: applying phosphorus and potassium once from late May to early June to strengthen branches and promote flowers; Apply a flowering fertilizer at the end of July and the beginning of September. The fertilizer is cake fertilizer and water to make the flowers bloom brightly. If diseases are found, use Bordeaux solution or 600 times carbendazim solution to prevent them.
(3) Pruning
The flowers of Lagerstroemia indica grow at the top of the spring shoots that germinated that year, with strong germination and irregular crown, which needs pruning.
1. Winter pruning: In order to ensure normal flowering and form large inflorescences, winter pruning is very important. If planted in the ground, cut off the branches of the current year at the height of the main branches, so that the robust branches can blossom in the next year; First, cut off all sprouting branches, diseased branches and overlapping branches. In order to beautify the shape, the top of the full terminal bud of other branches is cut short at ` 1 cm, generally leaving only about 5 cm.
2. Pruning after flowering: After flowering in summer, some residual flowers should be pruned to prevent them from bearing seeds, so as to reduce nutrient loss and promote the germination and flowering of new branches. Pruning in the growing period is not suitable for pruning or shortening the new branches sprouting in spring, otherwise it will easily lead to only long branches without flowering.
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