Home › Growing Techniques › Article

Reasons and Solutions for Yellowing Leaves of Dendrobium officinale

Growing Techniques 0 views
Dendrobium officinale not only has extremely high medicinal value, but also has good ornamental value. A pot of Dendrobium officinale that was originally pleasing to the eye may, in the blink of an eye, develop yellow leaves due to various reasons, and may even die. So

Dendrobium officinale not only has extremely high medicinal value, but also has good ornamental value. A pot of Dendrobium officinale that was originally pleasing to the eye may, in the blink of an eye, develop yellow leaves due to various reasons, and may even die. So, for enthusiasts who like to grow Dendrobium officinale in pots, this is undoubtedly a spiritual blow and torment.

So why does Dendrobium officinale develop yellow leaves? What are the reasons that cause the leaves of Dendrobium officinale to turn yellow? How should we care for it to effectively prevent yellowing and even death of Dendrobium officinale? Today, the editor will discuss this with everyone, helping you identify the specific reasons so you can grow your potted Dendrobium officinale well.

1. Fertilization must be appropriate

Although Dendrobium officinale also prefers sufficient nutrients, it does not like concentrated fertilizer, nor is it tolerant of fertilizer. If we apply high-concentration fertilizer or raw fertilizer, or if the fertilization frequency is too high, it often leads to fertilizer burning the plant's roots. Since the plant's roots are damaged, the ability to absorb and transport nutrients declines or even disappears. Because the plant cannot obtain the nutrients needed for growth in time, it will naturally sacrifice its stems and leaves first to survive. Therefore, the plant initially shows yellowing leaves.

Therefore, when fertilizing Dendrobium officinale, especially in pot cultivation, we must be sure to control the concentration of fertilizer to a low level, and at the same time avoid applying any raw fertilizer. Usually, a light, diluted organic fertilizer is mainly used. In this way, the plant can avoid yellowing leaves caused by excessive fertilization, and still have sufficient nutrients for growth.

2. Temperature, light and humidity conditions must be met

Dendrobium officinale prefers a growing environment that is warm, with not strong light and relatively high humidity. When grown in pots, it should usually be placed in a well-ventilated, warm and humid place where it can receive scattered light. If the plant's growing environment changes and becomes no longer suitable for its growth, then the plant is very likely to develop yellow leaves, especially when humidity is insufficient but light is too strong, the degree of yellowing will worsen.

Therefore, we first need to create a relatively comfortable growing environment according to its growth habits, control watering reasonably, but spray water and mist frequently to maintain moisture. Because Dendrobium officinale has relatively high requirements for air humidity, this can ensure that its growing environment has enough humidity to maintain normal growth.

3. Remove flowers and leaves appropriately

Many enthusiasts who like growing flowers hope that their potted plants will grow abundant flowers and lush leaves. But for potted Dendrobium officinale, although its flowers are also quite beautiful, if the flowering amount is too large, it easily has a considerable impact on the plant's normal growth, including yellow leaves. This is mainly because the flowering period of Dendrobium officinale is relatively long, and the number of flowers is large. When it blooms at full strength, it competes for a large amount of nutrients for flowering, which naturally reduces the supply to the stems and leaves, so the stems and leaves naturally grow poorly.

Therefore, the appearance of yellow leaves is unavoidable. After all, when blooming heavily, nutrients are consumed too much and too quickly, and if fertilization is not timely, the stems and leaves will suffer. At this time, we might as well remove some lower-quality flowers and already yellowed stems and leaves, which will not affect the ornamental value of the potted plant and can also promote its growth.

Finally, let's talk about the phenomenon of natural yellowing of Dendrobium officinale leaves. This is a product of plant metabolism, so it is a normal phenomenon. At this time, we only need to remove the yellow leaves in time, avoiding their impact on the ornamental value, and also saving some nutrients.

Time: 2019-05-28Clicks:

Related Articles