What if the yew leaves turn yellow and fall?

Taxus is a high-quality material for making foliage bonsai, which is shady, drought-resistant, cold-resistant, and likes cool and moist, but it is afraid of all-day sunshine, especially the hot sun in summer, and it is easy to grow poorly if the light is too strong. it's more serious for young trees. Under normal growth conditions, the yew tends to remain evergreen all the year round, but sometimes the leaves may turn yellow and fall because of improper management. So, what if the yew leaves turn yellow and fall?

Good growth environment and scientific management means are the premise to ensure the normal growth of yew bonsai, so we should not only learn to plant yew, but also learn to maintain and manage, so as to avoid the phenomenon of poor growth. However, sometimes it will inevitably lead to poor growth of yew due to negligence or improper management, which is mainly reflected in the branches and leaves, especially the yellowing and falling of leaves. Then it is necessary to find the crux of the problem in time and then save it.

First, the light is too strong

Taxus is shade-tolerant and sensitive to strong light, so if the illumination time is too long, especially in the case of strong light, the plant is prone to the phenomenon of scorched yellow and falling leaves due to serious dehydration. Under normal circumstances, we only need to provide it with 4-6 hours of light every day, and it is appropriate to receive light in the morning and evening. Shading measures should be taken in time when the temperature is high and the light is strong, and it is best to keep it in a semi-overcast place.

When the yew bonsai appears scorched yellow and falls on the touch, it is generally due to the light time is too long, the light is too strong. Therefore, we should take shading measures for it in time, we can put it in the shade of a big tree, or we can move it to a cool place indoors. However, if the leaves are yellowing and falling seriously, we also need to prune the branches and leaves to reduce the consumption of water and nutrients. This is beneficial to its return to normal growth.

Second, long-term water shortage

Although the yew is more resistant to drought and afraid of waterlogging, it should be watered in time in the usual maintenance and management process, usually when the basin soil dries and sees the branches and leaves wilting slightly, otherwise there is no need to water. If the plant is in a state of lack of water for a long time, and if the temperature is high and the weather is hot, then the yew will easily appear withered and yellow branches and leaves.

When we encounter this situation, we still have to cut off the withered and yellow branches and leaves in time to save nutrients and water. Original and then timely watering, but also need to often spray foliar water to the plant to moisturize, avoid direct sunlight to reduce water evaporation. As long as everyone can be rescued in accordance with scientific management methods, the situation will generally improve in a few days. In the later stage, we should be careful in the process of maintenance and management to avoid the occurrence of similar situations.

Third, improper hair dryer

Taxus is not resistant to water and is prone to dehydration. Many potted friends like to keep yew bonsai indoors, and they like to stay in a comfortable home with hot and cold air conditioners on in summer and winter. If the yew bonsai is facing the air outlet of the air conditioner during the period, it is easy to appear withered and wilted branches and leaves for a long time. It is mainly caused by the temperature and wind speed that make the branches and leaves evaporate water quickly.

Therefore, although the yew is more shady, many potted friends will move it to indoor maintenance generally no big deal, but must not go directly to the air conditioning outlet. If this happens, move the bonsai out of the room in time, or turn off the air conditioner, and spray more foliar water to moisturize. Of course, if it is heating, you also need to beware of this problem, because the effect of heating is similar to that of heating air conditioning.

Fourth, insufficient pruning

Although the ornamental value of yew bonsai is high, we should do a good job in various management measures in the daily maintenance process, otherwise the phenomenon of poor growth may occur. Many potted friends think that the more luxuriant the yew, the denser the branches and leaves, the better. After all, it seems that the ornamental value is higher when the plant is full of vitality. However, if the branches and leaves at the lower end of the plant are too dense to be thinned in time, they may still cause withered, yellow and shedding phenomenon.

Therefore, for yew bonsai, we should often prune properly, especially the old and weak branches and leaves that grow slowly at the lower end of the plant, so as to avoid wasting a lot of nutrients and water, thus weakening the growth of the upper branches and leaves. And proper thinning of branches and scattered leaves can not only save nutrients, but also promote plant germination, keep bonsai evergreen all the year round, avoid the phenomenon of withered and yellow branches and leaves, and make bonsai have a more hierarchical sense. higher ornamental value.

Of course, in addition to the above common situations, there may be other factors, such as withered and yellow branches and leaves, shedding phenomenon, infection of diseases and insect pests, lack of light, overwatering and so on. In the process of daily maintenance and management, in addition to putting all kinds of management and protection measures in place as far as possible, we should also pay attention to observe the growth state of yew bonsai, and once problems are found, they should be solved in time to avoid greater harm.

Time: 2019-05-29 Click: