Causes of yellowing of the leaves of the tree. Prevention and control methods of yellowing of the tree leaves With the arrival of spring, many families and gardening enthusiasts will plant the tree in their gardens or balconies. The tree is loved by people because of its unique fragrance and beautiful flowers. During the maintenance process, many flower friends will encounter a problem: the tree leaves are yellowing. This article will provide you with a detailed analysis of the reasons for yellowing of the tree leaves and the prevention and control methods to help you Maintain this beautiful flower. Reasons for yellowing of leaves of Zanthoxylum chinensis 1. Improper water management Zanthoxylum chinensis requires high water, but too much or too little water may cause yellowing of the leaves. Too much watering will cause the roots to lack oxygen and affect the normal growth of plants; too little watering will cause the soil to dry, causing the leaves to lose water and become yellowed.
2. If there is insufficient light, the flowers like light and need sufficient sunlight. If they are exposed to a dark environment for a long time, the leaves will turn yellow due to insufficient photosynthesis.
3. Soil problems The soil is too barren or hardened, which will affect the nutrient absorption of the flowers and cause yellowing of the leaves. Soil water or high salinity will also affect the growth of plants.
4. Pests and insect pests invade the flower and are susceptible to pests such as aphids and red spiders, as well as diseases such as powdery mildew and anthrax. These pests and diseases can cause yellowing of leaves and even cause plant death in severe cases.
5. Improper application of fertilizer. Excessive application of fertilizer or application of inappropriate fertilizer will cause yellowing of the leaves of the flower, and certain components in the fertilizer may have toxic effects on plants. Prevention and control methods of yellowing of the leaves of Zanthoxylum japonica 1. Appropriate watering According to the dryness and dryness of the soil, water should be watered at the right time. Generally, it is necessary to keep the soil slightly moist to avoid water accumulation. When it is high in summer, the number of watering should be appropriately reduced.
2. Provide sufficient light and place the lily flowers in a sunny place, ensuring at least 4-6 hours of direct light every day.
3. Improve the soil and regularly apply organic fertilizers, such as chicken manure, cow dung, etc., to improve soil fertility, pay attention to soil permeability, and avoid soil hardening.
4. Regularly inspect plants to prevent and control pests and diseases, and take timely measures when pests and diseases are discovered. For aphids, red spiders and other pests, pesticides can be used to control and control pests; for diseases, fungicides can be used to spray.
5. Reasonable fertilization According to the growth stage and needs of the flower, reasonably apply fertilizers. Generally, compound fertilizers are applied once a month during the vigorous growth period, and phosphorus and potassium fertilizers are applied during the flowering period.
There are many reasons for the yellowing of the leaves of Zanthoxylum chinensis, but as long as you master the correct maintenance methods, you can effectively prevent and treat it. I hope this article can provide useful reference for the majority of flower lovers, so that you can easily maintain beautiful Zanthoxylum chinensis.