Dracaena Dracaena (Dracaena Dracaena) (1) Fertilizer and water management Dracaena Dracaena likes fertile and permeable substrates and can be managed by soilless culture. The container for cultivation should be Yixing purple sand basin, which is beautiful and elegant, or Jingdezhen ceramic basin in Jiangxi. The matrix can be fully mixed with vermiculite, perlite and peat soil. This matrix is breathable, clean, sterile and tasteless. Dragon's blood tree and this substrate can be cultivated in high-grade containers for several years without turning over pots and changing soil, with developed roots and vigorous growth. Fertilizer and water management of soilless culture is mainly topdressing nutrient solution.
If the amount of cultivation is small, special nutrient solution may not be prepared, and "Hongmei" and "Jin Yue" brand nutrient solutions sold in the market may be used. According to the instructions, add appropriate amount of water, mix thoroughly and water, or dig the surface substrate every 30 to 40 days and apply granular slow-release fertilizer. Water every 3 to 5 days to keep the substrate moist. In summer, most areas are hot and dry. Every morning 10 and after 6 pm, spray water on the leaves with a fine-hole watering can to protect the beautiful and bright colors of the leaves. In winter dormancy period, fertilization should be stopped and watering should be controlled. Generally, it should be put indoors for the winter. Water can be poured once every ten days and a half months to keep the soil slightly dry and wet, so that it can survive the winter safely.
(2) Temperature and light: Dracaena likes warm, humid and sunny environment, and can also resist shade. However, if it is kept indoors for a long time in a too cool environment, it will also cause the leaves to fade. Therefore, it is best to put the flowerpot on the windowsill in the southeast, so as to fully receive the sunlight. If the dragon's blood tree is kept on the balcony, when the sun is too strong in summer, the flowerpot should be moved indoors, especially at noon, and properly shaded, with a general illumination of 40-50% to avoid burning leaves in the hot sun.
Dragon's blood tree likes warmth and is not tolerant of cold. Its optimum growth temperature is 20-28 degrees Celsius. If the summer is hot, the temperature exceeds 32 degrees Celsius, or the winter temperature is lower than 15 degrees Celsius, the Dracaena is dormant or semi-dormant. After the end of 10 in the Yangtze River valley and its south, Dracaena will be moved indoors to prevent early frost.
Throughout the winter, it is best to control the room temperature between 10-20 degrees Celsius, not too low. At the same time, the potted plants should be placed on the south window sill, so that the sun can shine directly on the plants, and the orientation should be rotated regularly to make them receive light evenly. If there is no sunshine for a long time, you can turn on the light at night, and put the dragon blood tree under 40 watts of light for artificial lighting to ensure the beauty of the leaves. Put the dragon's blood tree in the curtain at night, block the cold air with thick curtains, or put the flowerpot in a warm place in the corner to safely spend the winter.
The control method of Jatropha curcas (1) is to select resistant varieties or use resistant varieties as grafting materials.
(2) Careful maintenance to improve disease resistance.
(3) Do everything possible to reduce the trauma during transportation.
(4) When necessary, spray 1: 1: 100 times bordeaux solution or 1000 times 53.8% kesaide 2000 dry suspension solution and 3000 times 10% world high water dispersible granule solution.
The function of Dracaena Dracaena is 1. Dragon Blood Tree Dragon Blood Tree has a positive effect on the geomantic omen of Nanmen family. The gate in the south belongs to fire, so we should plant plants belonging to fire and plant dragon blood tree to increase the positive energy of fire. At this time, the dragon blood tree can be placed at the entrance of the living room, the corner of the hall or next to the stairs, which is conducive to regulating the health of people's heart and stomach, and also has a regulating effect on some people's negative personalities such as introversion, timidity, lack of courage and lack of confidence in life.
2. Give people a comfortable living space. The living room is the most functional place in the family, where friends get together, rest and watch TV. This is a very important activity space. The living room focuses on sufficient light, and try to avoid placing too many dense potted plants on the balcony to avoid blocking the sun. A bright living room can make a family prosperous. At this time, a small dragon's blood tree is the most suitable, it can adjust the air in the space.
3. From the perspective of geomantic omen, it is beneficial to the development of family members. The geomantic omen in the living room is related to the harmony of the family, to the cultivation of interpersonal context, and will eventually affect the fortune and prospects of the family. Small and medium-sized potted plants or flower arrangements are usually the main methods to avoid large potted plants, so as not to attract mosquitoes and feel oppressive. Special festivals can be arranged simply. Families who are busy at work on weekdays can choose green foliage plants to relieve stress, and holidays can be decorated with colorful flowers and leaves. Two dragon blood trees are here.
4. Dracaena can be used for antibacterial and other medical functions, and Dracaena has the highest medicinal value. After being infected by Fusarium graminearum var. Fungi such as Dracaena yunnanensis can form plant defensins and produce red resin. This red resin is an important traditional southern medicine in China? Dragon's blood (Dragon's blood) Dragon's blood can treat various blood diseases, cardiovascular diseases, ulcers and inflammation, and has certain anti-aging and anti-tumor effects.
5. Gardens are highly useful. The plant shape of Dracaena is beautiful and regular, and the leaves are brightly colored. It is an excellent foliage plant for modern interior decoration. Small and medium potted flowers can decorate the study, living room and bedroom.