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There are many reasons why the leaves of the tree turn yellow and lose their leaves: if it is caused by too much water, it is necessary to reduce the amount of watering to ensure that the soil is breathable and permeable. If it is caused by insufficient moisture, it should be watered and sprayed with water mist appropriately.
If it is caused by insufficient or excessive nutrients, it is necessary to repot and top dressing on schedule. If it is caused by high temperature, it needs to be grown in a ventilated location.
1. Excessive moisture.
The first reason is likely to be that the soil is moist for a long time due to too much water, which causes the oxygen content in the soil to be low, causing the roots to not be able to absorb oxygen and nutrients properly, and then the leaves of the tree will fall. The solution is to reduce the amount of watering and treat the soil frequently to ensure that the soil remains breathable and permeable.
2. Insufficient moisture.
The second reason may be the lack of water, when planting rich trees, if the watering is not enough, the soil will be half moist and half dry, which will make the roots absorb not enough, nutrients are relatively lacking, which causes the leaves to fall. At this time, it is necessary to water it in time, and spray water mist on the surrounding area, gradually watering from less to more, so that it can return to its normal state.
3. Insufficient or excessive nutrition.
The third reason is the problem of fertilizer, if it is not fertilized or changed for a long time, the nutrients in the soil will be missing, resulting in poor leaf development. We need to repot the rich tree frequently to ensure that the soil is fresh and fertile, and we can apply foliar fertilizer on schedule. When fertilizing, it should not lead to overdose, and too much fertilizer will also easily cause the leaves of the plant to fall off.
4. High temperature. The last one is the influence of high temperature, in summer, the temperature is higher, such as the light to put it outdoors, it is easy to make the rich tree sunburn, the leaves will slowly turn yellow, and then it will fall, affecting the appearance, but if it is placed in a place where there is no light to grow, it will also cause the leaves to wilt and grow weakly because it cannot absorb sunlight, so it is necessary to control the light and grow in a ventilated position.
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There are several reasons why the leaves of the Fugui tree are yellowing and falling off. :
At this time, although the new leaves of Fugui bamboo are still thick and shiny, the surface of the leaves is uneven, and the old leaves begin to turn yellow from the edges, and finally fall off. The solution is to stop fertilizing the disease and dilute the nutrients in the soil with a large amount of water.
Excessive water accumulation. Overwatering causes the soil to be severely hypoxic, resulting in rot of the roots of Fugui bamboo, and at the same time, the ability to absorb water and fertilizer declines, and can lead to dull and dull leaves of Fugui bamboo. It should be ploughed immediately and the humidity should be controlled.
At the same time, stop fertilizing and watering, and if it is severe, depot, put it in a cool place, let the soil dry naturally, and then transplant it back into the pot.
Alkalinization of the soil. The soil is often alkaline when potting, and the alkalinization of the soil will cause the leaves of Fugui bamboo to turn yellow, and with the degree of yellowing, the leaves will gradually lose their green, and finally cause the leaves to fall off, which can cause the plant to die. For this phenomenon, acidic fertilizers such as alum fertilizer water or acidic substances should be added in an appropriate amount to change the alkalinization of the soil.
Lack of sunlight may also cause the leaves of Fugui bamboo to turn yellow, and the location of the plant will start to turn yellow at night due to the lack of sunlight. Move outside for ventilation and light, but avoid direct sunlight during the hot summer months.
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Proper fertilization Excessive fertilizer application or excessive fertilizer concentration, especially nitrogen fertilizer, can cause yellowing of leaves. At this time, although the new leaves are still thick and shiny, the surface of the leaves is uneven and uneven, and the old leaves can begin to turn yellow from the edge of the leaves, and finally fall off.
The solution: stop fertilizing and use watering to reduce excess nutrients in the soil.
Excessive water accumulation The soil cultivated for too long will lead to a severe lack of oxygen in the soil, which will lead to root rot and a decline in the ability to absorb water and fertilizer. This can cause the leaves to be dull and dull.
Poor ventilation If the above situation occurs, immediately plough the soil loosely, control the humidity, and at the same time stop fertilization, if it is serious, it should be depotted, put in a cool place to let the soil dry naturally before transplanting into the pot.
Soil pH is not suitable When potting is used, the soil often becomes alkaline, which can cause the leaves to turn yellow. When the yellowing is severe, the leaves will gradually lose their green color, and eventually cause the leaves to wither, which can cause the plant to die in severe cases.
Solution: For the above phenomenon, acidic fertilizer or acidic substances can be used to change its alkalinity, and the application of alum fertilizer water can also alleviate this phenomenon.
Lack of light The plant is placed in such a way that the leaves do not start to turn yellow due to the lack of sunlight.
Solution: Move outside for ventilation and lighting. However, in the hot summer, avoid direct sunlight.
Proper watering Forgetting to water, or watering too little.
The solution: Replenish water immediately to keep the soil moist.
Improving the above reasons, you will find that the rich tree is actually very easy to cultivate.
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The reasons for the yellowing and leaf loss of the rich tree are as follows:
1. Water yellow: the potting soil is wet for a long time, resulting in soil hypoxia, which makes some roots rot, water absorption and fertilizer absorption ability weakened. It is manifested in the young leaves are dark yellow and dull, the apical center of the new shoots is atrophied, and the branches and stems are small and yellow-green.
In this case, the soil should be loosened, watering should be controlled, fertilizer should be stopped, and the heavy ones can be depotted, and the soil balls should be dried in the shade and then potted.
2. Fat yellow: due to excessive fertilization or excessive concentration, especially the yellow leaves caused by partial nitrogen fertilizer, the new leaves are thick and shiny, but the leaf surface is uneven and uneven, and the old leaves gradually turn yellow and fall off. At this time, the fertilization should be stopped and the amount of watering should be increased appropriately to dilute the nutrients, the potted flower fertilizer water is insufficient or the pot is small, the root system in the pot is senescent or too dense, and the leaves of the flower plant will become thinner and yellow, at this time the pot should be changed and the soil should be changed, usually when the rain arrives at the beginning of summer.
3. Alkali yellow: potted acid-loving flowers, such as camellia, Milan, smile, rhododendron, jasmine, etc., often cause green loss and yellowing due to soil alkaline reaction. It is manifested in the veins that start from the new leaves of the branches, and the leaf veins, especially the main veins, remain green, and the yellow-green phenomenon is very obvious.
With the aggravation of the degree of yellowing, the leaf veins gradually lose green, and then the whole leaf is white, the leaf edge is scorched, the leaf is littered, and the branches are withered in severe cases, so that the whole plant dies.
4. Yin yellow: Flowers that like sunlight often cause the branches and leaves to wither due to insufficient indoor light, so the pot should be moved to the outside for ventilation and lighting. For semi-negative flowers, such as bamboo, the leaves will also turn yellow under strong light, so to avoid exposure to high temperature and strong light in summer, they should be moved indoors or set up in a shade shed for storage.
5. Dry yellow: due to long-term lack of watering, or less watering, the leaves are yellow or brown ends, brown edges, and the old leaves fall off from the bottom up. However, the new leaves generally grow normally, and when this phenomenon occurs, water should be replenished so that the soil is no longer short of water.
6. Burning yellow: potted flowers that like shade and dampness, such as spider plant, evergreen, hosta, etc., such as strong direct sunlight, the leaves also have brown ends, brown edges, this phenomenon occurs, and the pot can be placed in the shade.
7. Damp and hot yellow: some potted flowers that are not resistant to high temperature and high humidity have yellow leaves caused by poor ventilation and improper shading in midsummer, such as hanging bell begonias in summer. Therefore, high temperature and high humidity are also easy to cause leaves to turn yellow, this kind of leaf yellowing can be prevented as long as attention is paid to ventilation and cooling, and the potting soil can not be too wet.
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In the process of growth, the leaves often turn yellow, which is mostly caused by the imbalance of cultivation management. Too much water, too little sunlight, too much or too little fertilizer will cause yellowing of leaves, but the yellowing situation is different, and the causes should be carefully observed and analyzed, and corrected.
1.Water yellow. The young leaves are dark yellow and dull, the old leaves have no obvious changes, the branches are small yellow-green, and the new shoots are shrunk and not long, indicating excessive watering. Depot the flowers, put them in a ventilated and cool shade, and dry the soil ball before putting them back into the pot.
2.Dry yellow. The yellow of lack of water is different from the yellow of water, the yellow of lack of water is the withering and dry leaf tips or edges, and the old leaves are withered and yellow from the bottom to the top, but the growth of new leaves is relatively normal. Pay attention to watering when watering enough, water thoroughly.
3.Seared yellow. Strong sunlight directly onto some shade-loving flowers (such as spider plants, hostas, etc.) is easy to cause the leaf tips and leaf margins of flowers to wither, and the sunny part of the leaves to appear yellow spots. Move to the pubic area.
4.Lack of light yellow.
If the leaves are shaded for a long time, the leaves will not get enough sunlight to form chlorophyll, and the whole leaves will turn yellow and then fall off, and this disease can be avoided by supplementing light.
5.Fat yellow. The yellowing of flowers caused by excessive fertilization or excessive concentration is manifested in dry brown at the top of the new leaves, and the general leaf surface is thick and dull, and the concave and convex are not stretched, and the old leaves are scorched and yellow. Fertilization should be stopped immediately, and part of the fertilizer should be washed with plenty of washing in severe cases.
6.Lack of fat yellow.
It is manifested in the color of young leaves becoming lighter, yellow or light green, while old leaves are more normal or gradually turning from green to yellow. Check the potting soil, if there is a dry knot phenomenon, the soil should be changed, usually thin fertilizer is applied diligently and some alum water should be poured in a timely manner (Fugui bamboo is a foliage plant should be applied with nitrogen fertilizer-based fertilizer).
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Yellowing is usually caused by a lack of zn (zinc), you can go to the florist and buy some nutrients for use.
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