Culture methods and matters needing attention of crape myrtle

Crape myrtle is one of our common flowering plants. How to raise crape myrtle? The following is to introduce the breeding methods and matters needing attention of crape myrtle.

Culture method of crape myrtle

1. Soil: crape myrtle has strong vitality, easy to cultivate and lax requirements on soil, but it grows best in deep and fertile sandy loam.

2. Watering: crape myrtle is resistant to drought and afraid of waterlogging. It can be watered once a year before spring germination and after defoliation in autumn. Usually, if it is not too dry, it is not necessary to water it. Generally, it should be watered three times during spring drought, and waterlogging should be done well in the rainy season to prevent water from rotting roots. It is not suitable to water in autumn.

3. Sunlight: sex is fond of light, lack of light not only has few flowers or no flowering, but also weakens growth and small branches and leaves.

4. Temperature: crape myrtle is more cold-resistant, but cold-proof and heat preservation should be done in the seedling stage, while adults who are more than three years old do not need heat preservation.

5. Fertilization: fertilizer can be applied every year after defoliation in winter and before sprouting in spring, such as human feces, urine or sesame sauce residue, which can make the plant grow vigorously and the flowers are big and colorful in the coming year.

6. Pruning: the inflorescence of crape myrtle is born at the top of the new branch of the year, so it is necessary to re-prune the annual branch when pruning, so that the nutrients are concentrated and the branches are strong, and the long branches, dry and withered branches, drooping branches, disease and insect branches, slender branches and endophytic branches should be cut off, and the lateral branches in the lower part of the plant trunk should be cut off in time in the young tree stage, so that the upper part of the trunk can get sufficient nutrients and form a good crown.

7, insect pests: crape myrtle common pests are velvet scale, yellow diamondback moth, big coir moth and so on, we should pay attention to pesticide control.

Matters needing attention in crape myrtle culture

If the pot is in the crape myrtle flower, the pot should be changed in time. The potted crape myrtle flower needs to change the basin soil every two to three years, and the culture soil is mixed with 5% loose mountain soil, 3% pastoral soil and 2% fine river sand. when changing the basin, you can use bone powder, bean cake powder and other organic fertilizer as the base fertilizer, mixed in the soil surface, can not make fertilizer direct contact with the root system, so as not to burn the root system, affecting plant growth.

Finally, let's take a look at the role of crape myrtle.

1. Watch

With bright and beautiful flowers, long flowering period and long life, it has been widely cultivated as a garden ornamental tree, which is suitable for planting in front of the building, in the courtyard, by the pool, by the river, by the lawn and on both sides of the path in the park, and sometimes as bonsai. It is an excellent ornamental tree with good ornamental value.

2. Purify the air

Crape myrtle is resistant to sulfur dioxide, hydrogen fluoride and chlorine, and can inhale harmful gases as well as absorb dust. according to monitoring, at 2000,250 meters from the pollution source in the cement plant, crape myrtle can absorb 4042 grams of dust per square meter, and the effect of cleaning and improving air is remarkable.

3. Medicinal use

Crape myrtle has a drug effect, mainly to root, bark medicine, can promote blood circulation, stop bleeding, detoxification, detumescence. For all kinds of bleeding, fracture, mastitis, eczema, hepatitis, cirrhotic ascites. Li Shizhen discussed in the Compendium of Materia Medica that its bark, wood and flowers have the effects of promoting blood circulation and dredging menstruation, relieving pain, detumescence and detoxification. Seeds can make pesticides and have the effect of killing pests. Ye Zhi white dysentery, flower treatment of postpartum blood collapse, children with rotten head and fetus poison, radical cure carbuncle sore poison, it can be said that the whole body is a treasure.