The reasons why the leaves of the green treasure tree turn yellow in autumn. Maintenance skills after the leaves of the green treasure tree turn yellow. As the autumn wind gradually rises, the temperature gradually drops, many trees begin to change into autumn costumes. In this colorful season, the leaves of the green treasure tree have begun to turn yellow, which has confused many gardening enthusiasts. What is the reason why the leaves of the green treasure tree turn yellow in autumn? How should we maintain it? This article will reveal you one by one. Reasons why the leaves of the green treasure tree turn yellow in autumn 1. Climatic factors The temperature drops in autumn, and the temperature difference between day and night increases. The green treasure tree has poor adaptability to the climate, and its leaves are prone to turning yellow.
2. Improper water management The green treasure tree has a high demand for water, but in autumn, improper water management will also cause the leaves to turn yellow. If watering too much or too little, it will affect the normal growth of the green treasure tree.
3. Insufficient light, the sun gradually weakens in autumn, and the green treasure tree's need for light cannot be met, which will also cause the leaves to turn yellow.
4. Soil problems Problems such as insufficient soil fertility, poor air permeability, and high salt alkalinity can cause the leaves of Green Treasure Tree to turn yellow.
5. Invasion of diseases and insect pests is one of the important reasons for the yellowing of the leaves of the green treasure tree. For example, aphids, red spiders, etc. will absorb nutrients from the green treasure tree and cause the leaves to turn yellow. Maintenance tips for green treasure trees after their leaves turn yellow 1. Appropriate watering green treasure trees require high water in autumn, but attention should also be paid to the right amount of watering. Generally, it is enough to keep the soil slightly moist to avoid stagnant water.
2. Appropriate fertilization In autumn, you can appropriately increase the amount of fertilizer applied to green treasure trees to supplement nutrients. Compound fertilizers or organic fertilizers can be used, but excessive fertilization should be avoided.
3. Appropriate pruning Autumn is a good time to prune green treasure trees. You can appropriately prune sick and weak branches and overly dense branches to promote tree growth.
4. Increase the light. The sun gradually weakens in autumn. The position of the green treasure tree can be appropriately adjusted to allow it to fully accept sunlight.
5. Regularly inspect the green treasure tree to prevent and control pests and diseases. If pests and diseases are found, they must be controlled in a timely manner. Biopesticides or low-toxicity pesticides can be used to avoid causing harm to the green treasure tree.
The leaves of the green treasure tree turn yellow in autumn, which may be caused by various reasons such as climate, moisture, light, soil, pests and diseases. After understanding these reasons, we can take corresponding maintenance measures to restore the green treasure tree to its vitality. Pay attention to the growth status of the green treasure tree and adjust the maintenance methods in time to let the green treasure tree bloom beautiful in autumn.
References: "Conservation and Management of Green Treasure Tree", China Forestry Press, published in 2018.
"Horticultural Pest Control Technology", China Agricultural Press, published in 2017.