Cassia, as one of China's traditional famous flowers, is deeply loved by people for its unique fragrance and beautiful flower shape. In the process of caring for cassia, we often encounter a problem - the leaves of cassia always turn yellow. This not only affects the beauty of cassia but may also have an impact on its growth. This article will analyze the reasons for the yellowing of cassia leaves and provide corresponding solutions.
Reasons for the yellowing of cassia leaves1. Improper water management
Cassia has a high demand for water, but excessive watering can lead to root hypoxia, which in turn affects nutrient absorption and causes the leaves to turn yellow. Insufficient watering can also cause the cassia leaves to lose water and show yellowing.
2. Insufficient light
Cassia enjoys sunlight, and if it is kept in a dark environment for a long time, the leaves will turn yellow due to lack of light.
3. Soil problems
Soil compaction, inappropriate pH levels, and insufficient nutrients can all lead to the yellowing of cassia leaves.
4. Pest and disease attacks
Pests and diseases such as leaf spot disease, aphids, and red spiders can cause the leaves of cassia to turn yellow.
5. Temperature factors
The suitable temperature for cassia growth is between 15℃ and 30℃. High or low temperatures can affect the growth of cassia and cause the leaves to turn yellow.
Solutions to the problem of yellowing cassia leaves1. Water appropriately
Based on the growth habits of cassia, keep the soil moist and avoid excessive watering. When watering, try to water thoroughly to allow water to penetrate to the roots.
2. Increase sunlight
Place the cassia in a place with sufficient sunlight and avoid keeping it in a dark environment for extended periods.
3. Improve the soil
Change to soil suitable for cassia, such as deciduous leaf soil, sandy loam, and regularly fertilize to supplement nutrients.
4. Control pests and diseases
Regularly inspect cassia and take timely measures when pests and diseases are found, such as spraying pesticides and pruning diseased branches.
5. Adjust the temperature
Keep the temperature of the cassia growing environment suitable and avoid high or low temperatures.
There are many reasons for the yellowing of cassia leaves. Understanding the reasons and taking corresponding measures can help the cassia grow robustly. We hope this article is helpful to you.
References:
Cultivation Techniques Manual of Cassia, China Forestry Publishing House, 2018.
Technical Prevention and Treatment of Cassia Pests and Diseases, China Agricultural Publishing House, 2017.