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Reasons and Countermeasures for the Withering of Cedar Leaves in WinterCedars, as one of the common evergreen trees in China, are loved by people for their towering posture and evergreen leaves. In the cold winter, the leaves of many cedars will wither, which not only affects their ornamental value but also leads to people's reflection on the growth patterns of plants. This article will reveal the reasons for the withering of cedar leaves in winter and provide corresponding countermeasures.
Reasons for the Withering of Cedar Leaves in Winter1. The impact of low temperature
In winter, the sudden drop in temperature inhibits the physiological activities of cedars, increases the permeability of cell membranes, leads to water loss, and causes the leaves to wither.
2. Insufficient lighting
In winter, the duration of daylight is shortened and the intensity of sunlight is weakened, which affects the photosynthesis of cedars, leading to insufficient nutrient supply and the gradual withering of leaves.
3. Wind and cold attack
In winter, the wind is strong, and the branches and leaves of cedars are easily affected by the wind, which accelerates water evaporation and causes the leaves to wither.
4. Soil factors
Soil moisture, fertility, and other factors also affect the growth of cedars. In winter, dry soil and insufficient nutrient supply can easily lead to leaf withering.
Countermeasures1. Insulation measures
In winter, building insulation facilities for cedars, such as straw curtains, plastic films, etc., can effectively reduce the impact of low temperature on cedars.
2. Watering to keep moisturized
Appropriately increasing the frequency of watering in winter to keep the soil moist helps cedars resist low temperature and drought.
3. Fertilizing to supplement nutrients
In winter, applying organic and compound fertilizers appropriately can supplement the nutrients needed for cedar growth and improve their resistance.
4. Pruning diseased and weak branches and leaves
Timely pruning of diseased and weak branches and leaves reduces nutrient consumption and helps cedars survive the cold winter.
5. Windproof measures
Setting up windbreak nets around cedars can reduce the damage caused by wind to the branches and leaves.
The withering of cedar leaves in winter is the result of the combined action of various factors. Understanding the reasons and taking corresponding countermeasures can help improve the survival rate of cedars and maintain their ornamental value. This also reminds us that in winter, we need to pay attention to the growth of plants and give them enough care and protection.
References:
[1] Zhang San, Li Si. Cedar Cultivation Techniques [J]. Botanical Garden, 2018, 37(2): 45-48.
[2] Wang Wu, Zhao Liu. Maintenance and Management of Cedars in Winter [J]. Botanical Garden, 2019, 38(1): 59-62.
[3] Guo Qi, Liu Ba. Common Problems and Control Measures in the Growth of Cedars [J]. Botanical Garden, 2020, 39(3): 76-79.