Causes of yellowing and falling of bonsai leaves. Prevention and control methods of yellowing and falling of bonsai leaves As a traditional art form in our country, Bonsai lovers are deeply loved by gardening enthusiasts. During the maintenance process, many bonsai lovers will encounter yellowing and falling of leaves. The problem not only affects the appearance of bonsai, but may also have a serious impact on the growth of bonsai. This article will reveal the reasons for yellowing and falling of bonsai leaves and the prevention methods to help you easily solve this problem. Reasons for yellowing and falling out of bonsai leaves 1. Improper water management Water is a necessity for plant growth, but too much or too little water will cause bonsai leaves to yellowing and falling out of leaves. Too much watering will cause hypoxia in the roots and affect the absorption of nutrients by plants; Too little watering will cause the plants to lack water and cause the leaves to yellowing.
2. Insufficient light bonsai requires appropriate amount of light to promote photosynthesis of plants. If there is insufficient light, the plants cannot perform normal photosynthesis, and the leaves will turn yellow.
3. Soil problems Soil is the basis for the growth of bonsai. Soil quality directly affects the growth of plants. Problems such as soil hardening, poor drainage, and insufficient nutrients may cause yellowing and falling of bonsai leaves.
4. Pest, insect pests and diseases are common causes of yellowing and falling of bonsai leaves. For example, aphids, red spiders, leaf spot diseases, etc. can damage bonsai leaves and cause them to yellow and fall.
5. Insufficient nutrients Plant growth requires a variety of nutrients, such as nitrogen, phosphorus, potassium, etc. If the bonsai lacks nutrients for a long time, the leaves will turn yellow. Methods to prevent yellowing and falling leaves of bonsai 1. Appropriate watering According to the type and growth stage of bonsai, reasonably arrange watering time. Generally speaking, watering once a day is enough to avoid stagnant water.
2. Place the bonsai in a sunny place with moderate light, but avoid direct sunlight. If the light is insufficient, artificial light sources can be used appropriately.
3. Improve the soil and regularly replace the basin soil to keep the soil loose, breathable, and well drained. When replacing the soil, you can add appropriate amount of organic fertilizers, such as legular soil, bone meal, etc.
4. Regularly inspect the bonsai to prevent and control pests and diseases, and take timely measures when pests and diseases are discovered. Pesticides, fungicides, etc. can be used to prevent and control them. At the same time, pay attention to the growth status of the bonsai to avoid the recurrence of pests and diseases.
5. Supplementing nutrients During the vigorous growth period, appropriate amounts of compound fertilizers or organic fertilizers can be applied to meet the nutrient needs of bonsai.
Yellowing and falling leaves in bonsai is a common problem, but as long as you understand the reasons and take corresponding measures, it can be easily solved. I hope this article can provide help to bonsai enthusiasts and make your bonsai more beautiful.