Causes and Solutions for Yellowing Leaves on Bambusa multiplex
Bambusa multiplex is a variant of Bambusa multiplex (hedge bamboo) in the grass family Bambusoideae, genus Bambusa. It is suitable for planting in courtyards at wall corners, house corners, and beside doors. Smaller Bambusa multiplex plants can be planted on flower terraces and can also be made into bamboo bonsai. They are also planted in temple courtyards, and in southern regions they are often widely used as low hedge planting material. Now let us take a look at what to do when Bambusa multiplex leaves turn yellow!
Sunlight exposure
Bambusa multiplex likes a semi-shaded environment. If the sunlight is too strong, it will speed up the evaporation of water from the leaves and cause the leaves to wither and turn yellow. But if Bambusa multiplex is placed in a shaded environment with no light for a long time, it will lack chlorophyll, causing the leaves to turn yellow and even fall off. A semi-shaded spot by a window has sufficient light, no strong direct sunlight, and good ventilation, so Bambusa multiplex should be moved to a semi-shaded place. Generally, in spring, autumn, and summer, place Bambusa multiplex in a ventilated spot by a window, and in winter place it in a sunny spot.
Lack of nutrients
⟦NL>If Bambusa multiplex lacks nutrients during growth, especially if fertilizer is not applied, it will also cause young leaves to appear pale yellow. At this time, you can apply fertilizer appropriately and water. A lack of phosphate fertilizer in the soil or excessive fertilization will both cause the leaves of Bambusa multiplex to wither and turn yellow. If phosphate fertilizer is lacking, just supplement it.
Long-term fertilizer deficiency
If no nitrogen fertilizer has been applied for a long time or the pot and soil have not been changed, and the soil lacks nitrogen and other nutrient elements, the branches and leaves will become thin and weak, and the leaves will be thin and yellow. The pot should be turned out in time, replaced with new loose and fertile potting soil, and gradually given more dilute decomposed liquid fertilizer or compound flower fertilizer. Excessive fertilization. If too much fertilizer is applied, new leaves will become thick and fleshy, and often uneven, while old leaves will have dry tips, scorch yellow, and fall off. Fertilization should be stopped immediately, watering should be increased so that the fertilizer flows out from the drainage holes at the bottom of the pot, or the pot should be turned out immediately, the soil ball rinsed with water, and then replanted into the pot.
Watering aspects
When Bambusa multiplex lacks water, the leaf edges or leaf tips will become dry and yellow, and may even fall off. At this time, water Bambusa multiplex in time, but do not water too much. Watering thoroughly once to keep the potting soil moist is enough. Too much water will cause root rot, and the leaves will turn a watery yellow. After loosening the soil, the moisture needs to be dried out. If the leaves appear watery yellow, especially if the young leaves are relatively small and no longer grow upward, it means there is too much water in the soil. At this time, the soil needs to be loosened and the moisture dried out. If the leaf edges or leaf tips become dry and yellow, or even the leaves fall off, it indicates that the soil lacks water, and the soil needs to be watered in time.
Pests and diseases
Leaf spot disease caused by infection by fungi and other pathogens easily causes local necrosis of the leaves, with yellow spots or patches appearing, and in severe cases the whole leaf withers, turns yellow, and falls off. After infection by mosaic virus, yellow-green mottled patches appear on the leaves. When damaged by scale insects, red spiders, and the like, the leaves will also become partially yellow and withered, or even the whole leaf will wilt, turn yellow, and fall off. In all cases, pesticide should be sprayed promptly for prevention and control.