Reasons and Solutions for the Yellowing of Peony Chlorophytum
Peony Chlorophytum, as a common indoor foliage plant, has困扰ed many caregivers with the problem of yellowing leaves. This article systematically analyzes the causes of yellowing leaves, combines professional maintenance experience, and provides scientific solutions for flower friends, allowing your Peony Chlorophytum to regain its lush green vitality.
1.1 Characteristics of Metabolism
Peony Chlorophytum growing for more than 3 years will show natural yellowing of the basal old leaves, which is a normal phenomenon of plants shedding the old and generating the new. Especially in the spring and autumn growing seasons, about 2-3 lower leaves naturally metabolize every week.
1.2 Scientific Treatment Plan
Use disinfected scissors to cut diagonally at a 45-degree angle along the base of the petiole, after pruning, spray carbendazim solution to prevent infection. Keep cleaning fallen leaves weekly to avoid accumulation and trigger mold.
Two, Light Imbalance Yellowing Issue
2.1 Symptoms of Insufficient Light
Daily light exposure less than 3 hours can lead to hindered chlorophyll synthesis, manifested as overall yellowing of the leaves and discoloration of the veins. Long-term lack of light can cause the plant to grow weakly and slender.
2.2 Symptoms of Sunburn
More than 3 hours of direct sunlight at noon in summer can cause leaf tips to scorch, leaves to develop brown sunspots, and in severe cases, entire leaves to turn yellow and curl.
2.3 Light Optimization Plan
Ensure 5-6 hours of scattered light in spring and autumn, use a shade net to filter 30% of the light in summer. Rotate the pot 180 degrees every 2 weeks to ensure even light exposure.
Three, Disease-related Yellowing Prevention and Control
3.1 Powdery Mildew Infection
In the early stage, white powdery substance appears on the back of the leaves, and the leaves turn yellow and fall off after 7-10 days. It is prone to outbreak when humidity is greater than 70%, and it is contagious.
3.2 Rust Disease Damage
Manifested as orange-yellow rust spots, in severe cases, the leaves are covered with spore piles on both sides. It often occurs in environments with poor ventilation.
3.3 Disease Treatment Process
Isolate the diseased plant → prune the diseased leaves → spray 25% triazole酮 emulsion (diluted 1:800), once each on Tuesday and Friday, continuously treated for 28 days.
By accurately identifying the type of yellowing leaves and taking corresponding measures, combined with daily scientific maintenance, the yellowing problem of Peony Chlorophytum can be effectively resolved. It is recommended to clean the leaf surface monthly and supplement trace elements every quarter to enhance the plant's resistance from the root, allowing green leaves to stay.