What's going on with the dry leaves of Cymbidium
Cymbidium, as an elegant indoor ornamental plant, the phenomenon of leaf drying often troubles its caretakers. This article deeply analyzes the three main causes of dry leaves in Cymbidium through illustrated explanations and provides professional solutions to help you quickly restore the plant's healthy state.
Core causes analysis of Cymbidium dry leaves
Root rot causing dry leaves
Overwatering is the primary culprit for root rot in Cymbidium, and积水 can lead to the inability of the roots to breathe normally. Data shows that 70% of Cymbidium death cases are related to root problems. Rescue steps: ① Shake the substrate gently after removing the pot; ② Cut off the blackened and rotting roots, retaining the healthy white roots; ③ Soak in potassium permanganate solution for 20 minutes; ④ Replace with breathable planting material and repot. It is recommended to use a bamboo skewer to check the moisture of the potting soil monthly.
Response plan for sunburn damage
The native environment of Cymbidium is under scattered light in the forest, and experiments show that a light intensity of 20000-30000Lux is most suitable. When yellow and white spots appear on the leaves, immediate action should be taken: ① Place on an east-facing windowsill; ② Use a shading net at noon; ③ Combine with foliar spraying to cool down. In winter, full sunlight can be accepted, but in summer, a shading rate of 40%-60% is required.
Disease infection prevention and control system
(T-J) disease tends to break out when humidity is >80%, with typical symptoms being brown radial spots at the leaf tips. Key points for prevention and control: ① Check the back of the leaves weekly; ② Isolate the diseased plants; ③ Alternate the use of benomyl and mancozeb; ④ Strengthen environmental ventilation. It is recommended to use garlic extract solution for biological control monthly, which is environmentally friendly and safe.
Through scientific diagnosis and precise treatment, the problem of dry leaves in Cymbidium can be completely resolved. It is recommended to establish a care log, recording data such as watering cycles and fertilizing amounts. By combining regular pot rotation, leaf surface cleaning, and other detailed management, Cymbidium can maintain a healthy, glossy green state for several years.