What to do with rotten roots in winter
Winter is a critical period for the maintenance of green radish, and the low temperature and high humidity environment can easily cause root rot problems. As a common indoor leaf-viewing plant, the emergence of rotten roots of green radish not only affects the ornamental value, but may also endanger the survival of the plant. This article will systematically analyze the causes of green radish rotten roots and provide step-by-step treatment plans to help you make green radish safe through the winter. Four-part series of emergency response to green radish rotten roots 1. When precise root pruning reveals that the leaves are wilting and yellowing, they need to be removed immediately for inspection. After rinsing the roots with running water, focus on observing the color of the roots: healthy roots are milky white, and rotten roots are dark brown. Use alcohol-disinfected scissors to cut off the diseased roots at a 45-degree angle until white tissue is exposed, retaining 3-5cm of healthy roots. Soak in carbendazim diluent (1:1000) for 20 minutes after surgery to completely kill residual bacteria. 2. The original soil for replacing the sterile substrate needs to be completely discarded. It is recommended to use a new substrate with a ratio of perlite: coconut bran: leus soil =1:2:1. The bottom of ceramsite is 3cm to enhance drainage, and the flowerpot is a breathable red pottery pot one size smaller than the original pot. When changing pots, gently lift the plants to stretch the root system. After filling, gently shake the pot wall to eliminate gaps. Avoid pressing and causing secondary damage. 3. Intelligent environmental control maintains a golden temperature band of 15-25℃, and heating rooms in the north need to be equipped with humidifiers to maintain 40% humidity. A double-layer protection method is adopted: the outer layer is covered with a transparent plastic bag to form a miniature greenhouse, and the inner layer is covered with non-woven fabrics to prevent dew condensation. Remove the cover from 10 to 14 o'clock every day and place it in a scattered light place for ventilation for 2 hours to avoid the growth of mold. 4. Scientific management of water and fertilizer and postoperative maintenance follows the "three no principles": no fertilization, no thorough irrigation, and no change of position within 30 days. Use a pointed spout pot to supply a small amount of water along the basin wall, and the water temperature needs to be allowed to stand to room temperature in advance. Supplement HB101 Activin (1 drop/500ml) once a month to promote capillary root regeneration. Only after new leaves germinate in spring can regular maintenance be resumed.
The survival rate of green radish through systematic treatment can reach more than 85%. The key is to grasp the 72-hour treatment period. It is recommended to use a soil hygrometer for daily maintenance to keep the moisture content of the substrate within the range of 30%-40%. Remember: During the dormant period of green radish in winter, the conservation philosophy of less is more is the fundamental solution.