Reasons why lily leaves are withered in autumn. Guidelines for the maintenance of lily leaves are withered in autumn. As the autumn wind rises and the temperature gradually drops, plants in nature also begin their annual dressing ceremony. Among them, autumn lily of the valley The withered leaf phenomenon of Campanula medium has attracted people's attention. Autumn lily, with its elegant blue flowers and elegant plant type, is very popular in garden landscapes. When its leaves begin to withered, it will undoubtedly give flowers to people who love flowers. This article will discuss the reasons for the withered leaf of lily lily in autumn and provide corresponding maintenance guidelines. Reasons for the withered leaves of lily of the valley in autumn 1. Climate factors One of the main reasons for the withered leaves of lily of the valley in autumn is climatic factors. The temperature in autumn decreases and the temperature difference between day and night increases, which slows down the metabolism of plants, reduces disease resistance, and is vulnerable to diseases and insect pests. Invasion, dry climate conditions can also cause leaves to turn yellow.
2. Improper maintenance and improper maintenance are also an important reason for the withered leaves of lily of the valley in autumn. The following are some common maintenance problems: (1) Improper watering: Too much or too little watering will cause the leaves to turn yellow, and too much watering will cause hypoxia in the roots and affect the normal growth of the plant; too little watering will dry the soil and cause the leaves to wither.
(2) Improper fertilization: Too much or too little fertilization will affect the growth of plants. Too much fertilization will lead to too high soil salinity, making plants unable to absorb nutrients; too little fertilization will slow down plant growth and reduce resistance.
(3) Insufficient light: In autumn, lily of the valley requires sufficient sunlight, and insufficient light will cause the leaves to turn yellow.
(4) Pest and insect pests: In autumn, lily of the valley is vulnerable to pests and diseases such as aphids and red spiders. These pests and diseases can cause leaves to turn yellow. Guidelines for the maintenance of withered lily leaves in autumn 1. Control watering According to the dryness and dryness of the soil, water should be watered at the right time. When watering, water should be avoided from splashing on the leaves to avoid causing disease.
2. Reasonable fertilization According to the growth stage of the plant and soil fertility, reasonable fertilization can be carried out. During the period of vigorous growth, appropriate amounts of nitrogen fertilizer can be increased to promote leaf growth; during the flowering period, appropriate amounts of phosphorus and potassium fertilizer can be increased to improve flower quality.
3. Provide sufficient light and place the autumn lily of the valley in a sunny place, ensuring at least 4-6 hours of direct light every day.
4. Regularly inspect plants to prevent pests and diseases, take timely measures when pests and diseases are discovered, and use biopesticides or low-toxicity pesticides to prevent and control them.
5. Trim branches and leaves in time to prune withered and weak branches and leaves to keep the plant ventilated and transparent, which is conducive to plant growth.
The withered leaves of lilies of the valley in autumn are the result of a combination of multiple factors. Understanding the reasons and taking corresponding maintenance measures will help maintain the beauty and health of lilies of the valley in autumn. In the future maintenance process, we need to continue to accumulate experience to create a good growth environment for lilies of the valley in autumn.