Solutions to the causes of overall yellowing of spring orchid leaves As spring orchid gradually enters the growth period, many orchid lovers will find that the leaves of spring orchid have become yellowing overall, which not only affects the appearance of spring orchid, but may also indicate the emergence of plant health problems, this article will deeply discuss the reasons for the overall yellowing of spring orchid leaves and provide corresponding solutions. Reasons for the overall yellowing of spring orchid leaves 1. Improper water management Water is a necessity for plant growth, but excessive or insufficient water may cause yellowing of spring orchid leaves. Too much watering will lead to hypoxia in the roots and affect nutrient absorption; Too little watering will cause the leaves to lack water, which will lead to yellowing.
2. Insufficient light requires appropriate amount of light to carry out photosynthesis. Lack of light will cause the leaves to fail to synthesize normally, resulting in yellowing.
3. Soil problems Soil pH, permeability, fertility and other factors will affect the growth of spring orchid. Excessive acid, alkali or poor permeability of the soil may cause yellowing of spring orchid leaves.
4. Improper fertilizer application Excessive fertilizer application or application of fertilizer that is not suitable for spring orchid may cause yellowing of spring orchid leaves, and improper fertilization timing may also cause yellowing of the leaves.
5. The yellowing of spring orchid leaves may also be caused by the attack of pests and diseases, such as aphids, red spiders and other pests, as well as diseases such as anthrax and powdery mildew. Solution 1. Optimize water management When watering, it should be adjusted according to the growth stage and climatic conditions of spring orchid. During the vigorous growth period, the watering frequency can be appropriately increased to keep the soil moist; during the dormant period, watering should be reduced to keep the soil slightly moist.
2. Improve the lighting conditions and place the spring orchids in places with sufficient light, such as balconies, window sills, etc. When high temperatures in summer, cover the shade appropriately to avoid direct sunlight.
3. Improve soil conditions and select soil suitable for the growth of spring orchid, such as legular soil, perlite, etc., and regularly replace the soil to maintain soil permeability and fertility.
4. Reasonable fertilization Select appropriate fertilizer according to the growth stage and needs of spring orchid. Be careful not to excessive fertilizer when fertilizing to avoid causing fertilizer damage. After fertilization, water should be timely to fully dissolve the fertilizer.
5. Prevent pests and diseases and insect pests regularly inspect the spring orchid plants, take timely measures when pests and diseases are discovered, and use pesticides, fungicides and other chemicals to prevent and control them.
The overall yellowing of spring orchid leaves may be caused by many reasons. Understanding the reasons and adopting corresponding solutions will help restore the healthy growth of spring orchid. As orchid lovers, we should also pay attention to the growth environment of spring orchid. Provide good growth conditions for it.
According to the "China Orchid Industry Development Report", in recent years, my country's orchid industry has shown a rapid development trend. As the leader among orchids, Chunchids have been loved by more and more orchid lovers. Mastering the knowledge of Chunchids 'maintenance is of great significance to improving the quality and ornamental value of Chunchids.