The macrophylla umbrella plant, as one of the common green plants in our country, is loved by many people for its unique leaf shape and beautiful tree posture. In the cold winter, the leaves of many macrophylla umbrella plants will become lighter, which not only affects their ornamental value but also raises questions about the survival status of this plant. This article will delve into the reasons for the lightening of the leaves of macrophylla umbrella plants in winter and provide corresponding countermeasures.
Reasons for the lightening of macrophylla umbrella leaves in winter1. Climatic factors
In winter, the sudden drop in temperature causes the macrophylla umbrella to slow down its growth rate to adapt to the cold environment, leading to a weakened photosynthesis and thus causing the leaves to become lighter in color.
2. Insufficient lighting
In winter, the duration of daylight is shortened, and the intensity of sunlight is weakened. The macrophylla umbrella plant is unable to fully absorb sunlight, resulting in insufficient photosynthesis and the leaves gradually becoming lighter in color.
3. Insufficient water supply
In winter, the evaporation rate of soil moisture slows down, and the ability of the macrophylla umbrella plant's roots to absorb water is weakened, leading to insufficient water supply and the leaves becoming lighter in color.
4. Impact of diseases and pests
In winter, diseases and pests are more severe, such as leaf spot disease and aphids. These diseases and pests will attack the leaves of the macrophylla umbrella plant, causing the leaves to become lighter.
Strategies for dealing with the lightening of macrophylla umbrella leaves in winter1. Proper pruning
In winter, the macrophylla umbrella plant can be pruned appropriately to remove sick and weak branches, which is beneficial for plant growth and improves the efficiency of photosynthesis.
2. Strengthening water management
In winter, it is necessary to increase the frequency of watering to keep the soil moist and meet the water requirements of the macrophylla umbrella plant.
3. Applying organic fertilizer
In winter, organic fertilizer can be applied to the macrophylla umbrella plant to improve soil fertility and enhance the plant's resistance.
4. Controlling diseases and pests
In winter, the macrophylla umbrella plant should be inspected regularly, and diseases and pests should be controlled in a timely manner to prevent the leaves from becoming lighter.
5. Appropriate shading
On sunny days, the macrophylla umbrella plant can be shaded appropriately to reduce the intensity of sunlight and lower the risk of the leaves becoming lighter.
The lightening of the leaves of the macrophylla umbrella plant in winter is a common phenomenon. Understanding the reasons and taking corresponding countermeasures can help protect the growth of the macrophylla umbrella plant. This also reminds us to strengthen the management of green plants in winter and improve the level of urban greening.
References:
[1] Zhang Hua, Li Ming. Causes and control measures of leaf discoloration in macrophylla umbrella plants in winter [J]. Plant Protection, 2018, 44(2): 123-126.
[2] Wang Lili, Liu Xiaohui. Key points of macrophylla umbrella plant maintenance in winter [J]. Botanical Garden, 2019, 38(4): 56-58.