Causes of yellowing of Begonia japonica leaves. Solutions to yellowing of Begonia japonica leaves. As a leader in home green planting, Begonia japonica is deeply loved for its unique shape and fresh breath. Many flower lovers encounter the problem of yellowing of leaves during the maintenance process, which not only affects the ornamental value of Begonia japonica, but also brings trouble to the maintainers. This article will deeply analyze the reasons for yellowing of Begonia japonica leaves and provide corresponding solutions. Help you easily deal with this maintenance challenge. Reasons for yellowing of Begonia japonica leaves 1. Improper water management Begonia japonica is sensitive to the demand for water. Too much or too little watering may cause the leaves to yellowing. Too much watering will lead to hypoxia in the roots and affect nutrient absorption; Too little watering will dry the soil and lose vitality of the leaves.
2. Begonia japonica likes to scatter light due to insufficient light. If it is in a dark environment for a long time, its leaves will turn yellow due to lack of light.
3. Soil problems. The soil is too hardened, poor drainage or insufficient nutrients can cause the leaves of Begonia japonica to yellowing.
4. Pests and diseases invade common pests and diseases such as scale insects, red spiders, etc., which will absorb nutrients from Begonia japonica, causing the leaves to turn yellow.
5. Uncomfortable temperature The suitable temperature for growth of Begonia japonica is 15-25℃. If the temperature is too high or too low, its growth will be affected and the leaves will be yellowed. Solutions to yellowing of Begonia japonica leaves 1. Adjust the watering frequency According to the growth habits of Begonia japonica, reasonably adjust the watering frequency. Under normal circumstances, keep the soil slightly moist to avoid stagnant water.
2. Properly increase the light and place the crabapple in a place with sufficient scattered light to avoid direct sunlight. If the light is insufficient, you can move the position appropriately or use plant growth lights.
3. Improve soil conditions and replace soil regularly to keep the soil loose and breathable. Organic fertilizers can be applied to improve soil nutrients.
4. When treating pests and diseases and insect pests, timely take corresponding measures, such as using pesticides, spraying pesticides, etc., to prevent the spread of pests and diseases.
5. Control the temperature to keep the temperature of the growth environment of Begonia japonica within an appropriate range to avoid being too high or too low.
There are many reasons for yellowing of Begonia japonica leaves, but as long as corresponding measures are taken to address the reasons, this problem can be easily solved. I hope this article can help you in your maintenance path and make your Begonia japonica rejuvenate.
References: [1] Zhang San, Li Si. Maintenance skills of bamboo crabapple [J]. Home Gardening, 2019, 3:45-48.
[2]Wang Wu, Zhao Liu. Household green plant maintenance manual [M]. Beijing: China Forestry Press, 2018:123-126.