1. Maintenance methods1. Temperature: Comfrey does not have particularly high requirements for temperature. Generally speaking, it can be kept between 15 and 30 degrees. In addition, it has good cold resistance and generally does not need to be protected from the cold unless it is in extremely cold areas. 2. Light: Comfrey is a light-loving variety. It can tolerate partial shade, but not complete darkness. Therefore, in order to ensure its normal growth, it needs to be placed in an environment with sufficient sunlight. Except for avoiding direct sunlight, it should receive as much light as possible at other times. 3. Watering: Generally speaking, comfrey likes moisture, but it is also afraid of waterlogging. Therefore, there must be sufficient water during the growing and flowering seasons to keep the substrate in a semi-wet state, and replenish it in time after it dries. Furthermore, in winter, you cannot completely stop watering the plants, but the amount must not be too much. 4. Fertilization: Comfrey does not require much fertilizer. As long as there are more nutrients in the soil, you don’t need to apply too much fertilizer on a regular basis, and it can be applied once a month or once every two months. 2. Breeding techniques1. Reproduction: It can be propagated by cuttings. Choose branches that are 20 to 25 cm long and in good growth condition, and make sure they have at least three nodes. Trim the leaves and base of the plant. When planting, the row spacing can be about 26 cm, and the depth should be between 16 and 20 cm. After planting, you need to pay attention to shading and other tasks. 2. Pruning: Pruning its branches and leaves is very important. Once dry and yellow branches and leaves are found, they must be pruned in time. In addition to pruning, you also need to pay attention to weeding. Weeding is required once the seedlings grow to 13 to 17 centimeters, and then twice a year. 3. Problem diagnosis and treatment1. Disease: Too much watering will cause water accumulation, which will cause a disease called "root rot", which will cause the root system to rot. It is best to remove the plant from the pot and cut off the rotten roots. In addition, use carbendazim or thiophanate-methyl for prevention and control. 2. Pests: Normally there are relatively few pests. When they appear, they can be controlled by various pesticides. IV. Other issues1. Toxicity: The whole plant is poisonous. 2. Can it be kept at home? Generally, this is not done because its main value is not ornamental, and it is also poisonous. |
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