Countermeasures for the reasons why the leaves of the iron tree turn yellow at high temperatures With the arrival of summer, high temperature weather has gradually become the norm. Under such climatic conditions, many plants are facing severe tests. Iron tree, as one of the common ornamental plants, is exposed to high temperatures. Under the environment, its leaves often turn yellow, which not only affects the appearance of the iron tree, but may also affect the growth of the iron tree. This article will deeply discuss the reasons why the leaves of the iron tree turn yellow at high temperatures and provide corresponding countermeasures. Reasons why the leaves of the iron tree turn yellow at high temperatures 1. Insufficient water In high temperatures, the temperature rises and the evaporation rate accelerates, resulting in insufficient water absorbed by the roots of the iron tree to meet the transpiration needs of the leaves. Insufficient water will cause the leaves to lose vitality, thus causing the leaves to turn yellow.
2. If the light is too strong, the sun is strong in summer. Long-term direct exposure will cause excessive ultraviolet radiation to the leaves of the iron tree, damage the leaves cells, and then cause the leaves to turn yellow.
3. In a malnourished and high-temperature environment, the growth rate of the iron tree slows down and the demand for nutrients is relatively reduced. If the nutrients in the soil are insufficient or improper fertilization, the leaves of the iron tree will also turn yellow.
4. Invasion of pests and diseases in hot weather is conducive to the breeding of pests and diseases, such as red spiders, scale insects, etc. They will absorb nutrients from the iron tree and cause the leaves to turn yellow. Countermeasures 1. Appropriate watering In high temperature weather, keep the soil moist, but it is not advisable to water too much. You can choose to water in the morning or evening to reduce water evaporation.
2. Shading and cooling provides appropriate shade for the iron tree, which can reduce the ultraviolet radiation received by the leaves. Some tall plants can be planted around the tree to cool down.
3. Reasonable fertilization According to the growth needs of iron trees, apply fertilizer in a timely manner. During the high temperature season, the amount of fertilizer application can be appropriately reduced to avoid excessive fertilization leading to overnutrition.
4. Regularly inspect iron trees to prevent and control pests and diseases, and take timely measures when pests and diseases are discovered. Biological control, physical control and other methods can be used to reduce the use of chemical pesticides.
High temperature weather has a great impact on the growth of iron trees, and yellowing of leaves is one of the common phenomena. Understanding the reasons why the leaves of iron trees turn yellowing at high temperature and taking corresponding countermeasures will help protect the growth of iron trees and make it It remains vibrant in the hot summer.
According to "China Garden" magazine, in recent years, with the continuous expansion of urban greening area, as an excellent greening plant, its maintenance issues have attracted more and more attention. Understanding the reasons for the yellowing of leaves of iron trees at high temperatures and countermeasures is of great significance to the maintenance of iron trees.
In high temperature weather, only by paying attention to the growth status of iron trees and taking timely measures can we ensure the healthy growth of iron trees and add a touch of green to the city.