1. Water Deficiency
Water deficiency is one of the most common reasons for the yellowing of Qiqing Sword plant leaves. With high temperatures in summer and rapid evaporation of water, if watering is not timely, the plant's roots cannot absorb enough water, causing the leaves to turn yellow.
2. Excessive Fertilization
Too much fertilizer can also cause the Qiqing Sword plant leaves to turn yellow. Excessive fertilizer leads to the accumulation of soil salinity, making it difficult for the roots to absorb water and nutrients, thus affecting the plant's normal growth.
3. Insufficient Light
The Qiqing Sword plant enjoys plenty of sunlight. If it is kept in a dark environment for a long time, the leaves will turn yellow.
4. Diseases and Pests
Diseases and pests are also reasons for the yellowing of Qiqing Sword plant leaves. Common diseases and pests include aphids, red spiders, and powdery mildew.
5. Root Damage
Root damage can also lead to the yellowing of Qiqing Sword plant leaves, such as when the roots are compressed, frostbitten, or infected with pathogens.
Preventive Measures for the Yellowing of Qiqing Sword Plant Leaves1. Reasonable Watering
2. Control Fertilization
Fertilization should be moderate, following the principle of "frequent application of thin fertilizer." During the vigorous growth period, apply a compound fertilizer every 10-15 days, with the concentration not too high.
3. Increase Sunlight
Move the Qiqing Sword plant to a place with sufficient sunlight, avoiding long-term exposure to dark environments. If possible, you can also increase artificial lighting.
4. Prevent and Control Diseases and Pests
Regularly inspect the plant. If diseases or pests are found, control them in a timely manner. You can use pesticides or biological control methods, such as releasing natural enemies.
5. Protect the Roots
Avoid root damage, such as avoiding heavy pressure and frostbite. When transplanting or pruning, be careful to avoid injuring the roots.
There are many reasons for the yellowing of Qiqing Sword plant leaves, and corresponding preventive measures are also diverse. Understanding the plant's growth habits and proper maintenance can ensure the healthy growth of the Qiqing Sword plant and make it bloom beautiful flowers.
According to the "2019 China Flower Market Report" released by the China Flower Association, as an ornamental plant, the market demand for Qiqing Sword is increasing year by year. Understanding the maintenance knowledge of Qiqing Sword is of great significance to flower enthusiasts. It is hoped that this article can provide you with assistance, allowing your Qiqing Sword to grow strong and healthy.