Chive orchid, as a common ornamental plant, its lush green leaves always bring a fresh visual enjoyment to people. Many flower friends encounter the problem of yellowing in the middle of chive orchid leaves during the maintenance process. This not only affects the appearance but may also indicate health issues in the plant. This article will unveil the reasons for the yellowing in the middle of chive orchid leaves and provide effective prevention and control methods.
Reasons for yellowing in the middle of chive orchid leaves1. Improper water management
Chive orchids prefer a moist environment, but excessive积水 or drought can cause the leaves to turn yellow. If watered too much, the roots can easily rot, affecting nutrient absorption; if watered too little, the leaves will turn yellow due to lack of water.
2. Improper application of fertilizer
Excessive application of fertilizer or improper application of fertilizer can lead to yellowing in the middle of chive orchid leaves. Too much nitrogen fertilizer can cause excessive leaf growth, while a lack of other essential elements such as potassium and magnesium can also cause the leaves to turn yellow.
3. Insufficient light
Chive orchids require ample sunlight. If they are kept in a dark environment for a long time, the middle of the leaves easily turns yellow.
4. Disease and pest infestation
Yellowing in the middle of chive orchid leaves may also be caused by diseases and pests such as leaf spot disease and aphids.
Prevention and control methods for yellowing in the middle of chive orchid leaves1. Optimize water management
Based on the growth habits of chive orchids, water them reasonably to keep the soil moist but avoid waterlogging. If root rot is found, trim it promptly and replace the soil.
2. Scientific fertilization
Apply fertilizer reasonably, follow the principle of "frequent application of thin fertilizer," and increase nitrogen fertilizer appropriately during the vigorous growth period, but pay attention to supplementing elements such as potassium and magnesium.
3. Increase light appropriately
Place the chive orchid in a sunny area and avoid keeping it in a dark environment for an extended period.
4. Control diseases and pests
Regularly inspect the chive orchid and take timely measures when diseases and pests are found. For example, leaf spot disease can be treated with a 75% methyl thiophanate wettable powder spray, and aphids can be controlled with a 40% dimethoate emulsion spray.
There are various reasons for the yellowing in the middle of chive orchid leaves, including improper water management, improper fertilizer application, insufficient light, and disease and pest infestation. Understanding the reasons and taking corresponding prevention and control measures can effectively improve the growth condition of chive orchids and strengthen daily maintenance to ensure healthy growth.
References:
[1] Zhang Lijun, Li Xiaofeng. Cultivation Techniques of Chive Orchid [J]. Agricultural Science and Technology, 2018, (12): 1-3.
[2] Wang Lili, Zhang Hua. Research on Disease and Pest Control Techniques of Chive Orchid [J]. Plant Protection, 2017, (2): 35-37.