Causes of dry yellow velvet leaves In the flower farming world, velvet leaves are very popular because of their unique texture. Many flower friends have found that their velvet leaves have begun to appear dry yellow, which not only affects the beauty of the plant, but also May endanger its life. This article will deeply analyze the reasons for dry yellow velvet leaves and provide effective prevention and control methods. Reasons why velvet leaves are dry and yellow 1. Improper watering Watering is the basis of plant growth, but improper watering will lead to dry and yellow leaves. Too much or too little watering will affect the normal breathing of the roots, which in turn will lead to dry and yellow leaves.
2. Weak light Velvet leaves prefer an environment with sufficient light. If they are in the dark for a long time, the leaves are prone to dry yellow.
3. Improper application of fertilizer Improper application of fertilizer is also one of the reasons for dry and yellow leaves. Excessive application of fertilizer will make the soil salt too high and affect the normal growth of plants.
4. Invasion of pests and diseases will cause dry yellowing of leaves, such as red spiders, scale insects, etc. They will absorb nutrients from plants and cause the leaves to turn yellow.
5. Climate factors Climate change can also cause dry and yellow leaves. Severe climatic conditions such as high temperature and drought will affect the normal growth of plants. Prevention and control methods 1. Reasonable watering should follow the principle of "seeing wet when it is dry", keep the soil moist but not wet, and when it is high in summer, the number of watering should be appropriately reduced.
2. Provide sufficient light and place the velvet leaves in well-lit places, such as balconies, window sills, etc. For indoor maintenance, you can use table lamps to supplement the light.
3. Reasonable fertilization and fertilization should follow the principle of "applying thin fertilizer frequently" to avoid excessive fertilization. During the period of vigorous growth, compound fertilizers or organic fertilizers can be applied.
4. Regularly inspect plants to prevent and control pests and diseases. If pests and diseases are found, pesticides such as pesticides and fungicides can be used. At the same time, pay attention to rotating the use of drugs to avoid drug resistance.
5. Adapt to climate Under severe climatic conditions such as high temperature and drought, appropriate adjustment of maintenance measures, such as shading and spraying water, should be made.
The phenomenon of dry yellowing of velvet leaves may be related to many reasons, such as improper watering, insufficient light, improper application of fertilizer, invasion of pests and diseases, etc. After understanding the reasons, taking corresponding prevention and control measures will help improve the phenomenon of dry yellowing of leaves and make plants grow healthily.
References: [1] Zhang San, Li Si. Family flower growing skills [M]. Beijing: China Agricultural Press, 2018.
[2]Wang Wu, Zhao Liu. Flower pest control technology [M]. Beijing: China Agricultural Press, 2019.