Cultivation techniques of Magnolia grandiflora

Reproduce with seeds. The seed coat is rich in oil, so it should be removed after harvesting, and the seeds should be stored in slightly moist river sand stratification. Germinate about 30-40 days after spring sowing. You can also use 2-3 years old magnolia. As a rootstock, the seedlings were grafted with branches of Magnolia grandiflora in early spring, and the survival rate of healing could reach 70-80%. This species has wide adaptability and is easy to cultivate.

Magnolia grandiflora is neither waterlogging tolerant nor drought tolerant, so the principle of "liking wet and fearing waterlogging" should be strictly followed in cultivation and maintenance. In the process of cultivation and maintenance, many people think that Magnolia grandiflora is afraid of waterlogging and should be watered as little as possible. This understanding and practice is very wrong, because Magnolia grandiflora is afraid of waterlogging, which does not mean that it likes drought. It likes humid environment itself, so it is necessary to master the degree that the soil should not be too dry or too wet in water management. After many years of cultivation practice, the author thinks that the soil should be kept moist and free of water during cultivation. In the process of conservation, the newly planted magnolia should keep the soil moist, which is also an important measure to ensure its survival rate. It is essential to water Magnolia grandiflora under normal management, such as turning green water in early spring and antifreeze water in early winter, and it should be watered thoroughly. Water can be watered once a month during the growing season, and it should be stopped in the rainy season. Drainage should be done in time after rain to prevent root rot caused by accumulated water. In addition, it is necessary to loosen the soil and moisturize it in time. It should be noted that irrigation should be carried out in time in rainy season and drought. Lack of water not only affects the vegetative growth of plants, but also causes the buds to fall off or shrink, which affects the flowering in the next year. In addition, in the case of poor site conditions, especially in the environment with large hardened area and small green area, and in the case of continuous high temperature and dry weather, water should be sprayed on the leaves while pouring the roots, and attention should be paid to the degree of atomization when spraying water. The higher the degree of atomization, the better the effect. The best spraying time is before 8:00 a.m. and after 6:00 p.m., and it can't be done at noon when the light is strong. For Magnolia grandiflora suffering from waterlogging, it must be rescued at the first time. First, the accumulated water should be removed in time. Second, give trees shade, especially to prevent sunburn. Third, cut off some leaves and buds.