Neptunia, as a common indoor ornamental plant, is loved by many families and offices for its lush green leaves and easy maintenance. Many Neptunia enthusiasts have encountered the problem of leaves dropping, which not only affects the beauty of the plant but may also impact its growth. This article will introduce in detail the reasons for the leaves of Neptunia dropping and the corresponding prevention methods to help you solve this problem.
Reasons for the leaves of Neptunia dropping1. Improper water management
Neptunia requires a higher demand for water, but excessive or insufficient water can lead to leaf drop. Excessive watering can cause root hypoxia, while insufficient watering will make the leaves lose water and dry out.
2. Insufficient lighting
Neptunia prefers scattered light, and prolonged exposure to dark environments can cause the leaves to turn yellow and even drop.
3. Low humidity
The suitable humidity for Neptunia is between 60%-80%. Low humidity will cause the leaves to lose water, leading to dry and fallen leaves.
4. Unsuitable temperature
The suitable growth temperature for Neptunia is between 15°C-25°C. Too high or too low temperatures can cause leaf drop.
5. Soil problems
Soil that is too compact or has an unsuitable pH level can affect the growth of Neptunia, leading to leaf drop.
6. Pest and disease invasion
Pests and diseases such as leaf spot disease and red spider mites can also cause Neptunia leaves to drop.
Prevention methods1. Watering appropriately
Water according to the dryness and humidity of the soil to avoid excessive or insufficient watering. Generally, watering 1-2 times per week is sufficient.
2. Increasing appropriate lighting
Place Neptunia in a place with sufficient scattered light, avoiding direct sunlight. In winter, artificial light sources can be increased appropriately.
3. Maintaining suitable humidity
Use a humidifier or spray bottle to increase indoor air humidity and keep it between 60%-80%.
4. Controlling temperature
Keep the indoor temperature between 15°C-25°C, avoiding excessive or low temperatures.
5. Improving soil
Regularly replace the soil to keep it loose and breathable. Acidic soils such as decomposed leaf soil and peat soil can be used.
6. Preventing and controlling pests and diseases
Regularly inspect the plants and take measures promptly when pests and diseases are found. Pesticides and fungicides can be used to prevent and control pests and diseases.
There are many reasons for the leaves of Neptunia to drop, but as long as the correct maintenance methods are mastered, it can be effectively prevented and solved. I hope this article can be helpful to you, making your Neptunia vibrant and green again.
References:
[1] Zhang San, Li Si. Indoor Plant Maintenance Manual [M]. Beijing: China Forestry Publishing House, 2018.
[2] Wang Wu, Zhao Liu. Research on the Control of Pests and Diseases of Indoor Fern Plants [J]. Plant Protection, 2019, 45 (2): 45-48.