Causes of yellowing of orchid leaves: Solutions to yellowing of orchid leaves Orchids, as a traditional and precious flower in our country, are deeply loved by people for their elegant and refined charm. Many novices to orchid farmers will encounter yellowing of orchid leaves during the maintenance process. This not only affects the ornamental value of orchids, but may also adversely affect the growth of orchids. This article will explain the reasons for yellowing of orchid leaves and provide corresponding solutions to help you raise healthy and beautiful orchids. Reasons for yellowing of orchid leaves 1. Improper water management Orchids are sensitive to the demand for water. Too much or too little water may cause yellowing of the leaves. Too much watering will lead to hypoxia in the roots, which in turn will cause root rot, which will affect the normal growth of the leaves; if too little watering will lead to water shortage in the leaves, resulting in yellowing.
2. Orchids with insufficient light need enough scattered light. If there is insufficient light, the leaves cannot undergo adequate photosynthesis, resulting in yellowing of the leaves.
3. Soil problems The soil is too acidic or alkaline, as well as problems such as soil hardening and poor drainage, can lead to yellowing of orchid leaves.
4. Invasion by pests and diseases is one of the main causes of yellowing of orchid leaves. Common pests and diseases include anthrax, powdery mildew, aphids, red spiders, etc.
5. Improper application of fertilizer. Excessive application of fertilizer or improper application of fertilizer will cause damage to the roots of orchids, which in turn affects the growth of leaves. Solution to yellowing of orchid leaves 1. Appropriate watering According to the growth habits of orchids, keep the soil slightly moist. When watering, be careful to avoid splashing water on the leaves to avoid causing disease.
2. Properly increase the light and place the orchids in a place with sufficient scattered light to avoid direct sunlight. If the light is insufficient, artificial light sources can be used appropriately.
3. Improve the soil Select soil with good air permeability and good drainage, loosen the soil regularly, and keep the soil loose.
4. Regularly inspect orchids to prevent and control pests and diseases, treat pests and diseases found in a timely manner, and use pesticides, fungicides, etc. to control them.
5. Reasonable fertilization According to the growth stage and needs of orchids, select appropriate fertilizers to avoid excessive application of fertilizers to avoid damage to the roots.
There are many reasons for yellowing of orchid leaves, but as long as you master the correct maintenance methods, this problem can be effectively avoided. I hope this article can help you to raise healthy and beautiful orchids. In the process of maintaining orchids, You need to continue to accumulate experience in order to better deal with various problems.