Why do my plants start to turn yellow recently? 5

In the process of cultivating plants, problems of one kind or another often arise, just like the common yellowing of leaves.

1. The leaves of the whole plant turn yellow?

The yellowing of the leaves of the whole plant may be caused by insufficient nutrients in the soil, too strong light or too hot environment, which is a more extreme environment, generally more than 2 years without changing the pot, or let the plant be exposed to the sun, it is easy to cause the leaves of the whole plant to turn yellow, according to their own maintenance status to improve, change the pot, move to the shade for maintenance.

2. Iron deficiency, zinc deficiency yellow leaves.

If the iron and zinc content in your soil is insufficient, it is easy to cause yellowing of new leaves, pay attention to the newly grown leaves, not tender yellow, but a kind of rusty yellow leaves on the young leaves.

3. Too dark or too much fertilizer.

Long-term maintenance of plants in a dark place, or the use of excessive pesticides, will poison the plants, which will cause damage to the new leaves.

4. The leaves at the bottom are yellow.

If the leaves at the bottom (closer to the root system of the plant) begin to yellow, it may be due to the lack of nitrogen in the medium, you can appropriately supplement foliar fertilizer, or compound fertilizer with relatively high nitrogen content, pay attention to the dosage and dose.

5. Too much water, soil compaction.

If you usually water frequently, it will cause too much moisture in the soil, and if you water tap water directly for a long time, or use large water, it is easy to cause the soil to be not breathable enough, and it will also make the lower leaves age, you can properly control the water, pay attention to the use of soft water for watering, and use the tap water for 2 or 3 days. Or use fertile leaf microbial agents to adjust soil conditions.

6. Why are the leaf veins yellow?

If it is yellowing between the veins of the leaves, it may be related to the lack of elements such as iron or magnesium, and the symptoms of iron deficiency will appear in the new leaves, while the magnesium deficiency will mainly appear in the lower leaves.

Magnesium sulfate (Epsom salt) or some ferrous sulfate can be supplemented, the common ones are gardenias, camellia and jasmine, which lack iron and magnesium and are particularly prone to leaf yellow.

7. Irregular yellow leaves.

If there is irregular yellowing of the leaves on the plant, it is most likely due to a lack of potassium. Or it is caused by the water temperature of the irrigation water is too low or infected by bacteria, fungi or viruses.

Tips: If you find that the leaves on the branches of the moon season are yellow, it means that the surrounding areas of the leaves begin to turn brown little by little, and then the whole area turns yellow. Only two branches of the whole plant have this condition, and the others are fine, and the branches that have occurred have been cut and discarded, so what is the situation?

The leaf symptoms are just the opposite of magnesium deficiency, when the growth is normal, magnesium deficiency is extracted from the old for the growth of new leaves, and the chlorophyll between the leaf veins and branches first disintegrates ** magnesium, at this time the leaf veins also need to maintain normal conduction function will show normal green. So the symptoms of magnesium deficiency are leaf veins.

Solution: When potting, you can add some well-rotted sheep manure or other organic fertilizer to the soil, and give appropriate base fertilizer according to the size of the plant, which can prevent the plant from lacking a certain element and causing yellow leaves.

During the growth of domestic plants, the leaves often turn yellow, and most of the reasons for this are due to improper cultivation management.

Here are a few ways to treat it. 1. The water in the yellow basin soil is wet for a long time, resulting in a lack of oxygen in the soil, causing some roots to rot, absorb water and absorb water.

Reduced fertility capacity. 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. This should be done in this case.

Loosen the soil, control the watering, stop fertilization, you can take off the pot, put it in the shade and dry the soil ball before potting. 2. Fat yellow due to fertilization.

More or excessive concentration, especially the leaf yellow caused by partial application of nitrogen fertilizer, the new leaves are thick and shiny, but the leaf surface is not concave and convex.

Stretch, 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, spray the point of ambition to alleviate the fertilizer damage, 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 flowers like acid, such as camellia, bar, smiling, rhododendron, jasmine.

Li et al., often caused by soil alkaline reactionLoss of green and yellowing. It is manifested in the veins that begin with the new leaves of the branches, and the veins of the leaves, especially.

The main vein remains green, and the yellow-green alternation phenomenon is very obvious. With the increase of yellowing, the leaf veins gradually lose green, and then the whole leaf.

Whitish, leaf edge scorched, leaf litter, severe branch tip withered, so that the whole plant died, for this "yellowing" phenomenon, can.

It can be improved by applying acidic fertilizer or acidic substance, or alum fertilizer water can also be applied frequently. 4. Yin and yellow flowers like sunlight, often because.

If the branches and leaves are yellowed due to insufficient indoor light, the pot should be moved to the outside for ventilation and lighting. For semi-negative flowers, such as text.

Bamboo, in strong light, will also make the leaves yellow, so to avoid exposure to high temperature and strong light in summer, should be moved indoors or built a shade shed.

Deposit. 5. Due to the long-term lack of watering, or less watering, the leaves are yellowing or brown ends and brown edges, and the old leaves are from bottom to top.

The withered yellow falls off. 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. Potted flowers that like yellow and dampness, such as spider plant, evergreen, hosta, etc., such as strong direct sunlight, the leaves also have brown ends, brown.

The phenomenon of the edge, this phenomenon occurs, the basin can be placed in the shade. 7. Some potted flowers that are not resistant to high temperature and high humidity are blooming.

Poor ventilation in summer, improper shading and yellow leaves, such as hanging bell begonias in summer. Therefore, high temperature and high humidity are also easy to lead.

The yellowing of the leaves, as long as you pay attention to ventilation and cooling, and the pot should not be too wet, it can be prevented.

The reasons why the leaves of plants turn yellow are:

1. Dry yellow: the yellow of lack of water is not the same as 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.

2. 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.

3. Lack of light yellow: If the environment is shaded for a long time, the leaves cannot get enough sunlight and cannot form chlorophyll, and the whole leaves turn yellow and then fall off.

4. Fat yellow: the yellowing of flowers caused by excessive fertilization or excessive concentration is manifested in the dry brown appearance at the top of the new leaf, the general leaf surface is thick and dull, and the concave and convex are not stretched, and the old leaves are scorched and yellow.

5. Burning yellow: strong sunlight directly shines on some shade-loving flowers, which is easy to cause the leaf tips and leaf margins of flowers to wither, and yellow spots appear in the leaves of Chaoyang and Acacia.

6. 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 not long, indicating excessive watering.

1. The arid environment causes yellow leaves. First of all, a large part of the reason for the yellow leaves is drought, many flower friends are busy with work, may often forget to water, or are afraid of being drowned only a little water, so that the water required for the normal growth of flowers can not be met for a long time, it is easy to cause the leaves to turn yellow.

2. Watering too much causes yellow leaves. Not watering is easy to cause yellow leaves, and too much watering is also easy to cause yellow leaves of plants. If there is water accumulation in the potting soil due to excessive watering at one time, the root system is prone to rot and the leaves will naturally turn yellow.

3. Improper fertilization causes yellow leaves. In the process of maintaining pothos, the lack of nutrients and excessive fertilization will cause yellow leaves. If the yellow leaves are caused by the lack of nutrients, we should replace it with loose and fertile humus soil in time, and then apply some water-soluble flower fertilizer, which can absorb nutrients as soon as possible and improve the yellow leaves.

If it is caused by excessive fertilization, stop fertilizing immediately and replace it with new potting soil.

4. The temperature and light are not suitable to cause yellow leaves. Each flower has its own habits, and of course the requirements for temperature and light are also different. Some plants prefer a cooler environment, but if they do not receive sunlight for a long time, they will also cause yellow leaves, and conversely, if they are not placed in the shade during the hot summer months, their leaves will naturally turn yellow.

Therefore, if the yellow leaf phenomenon is caused by unsuitable temperature or light, you only need to put it in a sunny place to avoid strong light, and it will slowly recover.

5. Yellow leaves are caused by unadaptation to water and soil. Flowers also have different soil requirements, some like acidic soil, some prefer alkaline soil, some plants prefer slightly acidic soil, if you happen to get them upside down, then the leaves will definitely turn yellow because of the soil and water adaptation.

The potting soil is deficient in nitrogen, the leaves are small, the leaf color is light yellow, the lower leaves are yellow first, and gradually the whole plant loses its green, and the lower part is more yellow and light The potting soil is deficient in phosphorus, the leaves are curled, the leaf color is dark green, and the leaf veins of the lower leaf genus are yellowed The potting soil is deficient in potassium, and the lower leaf edge is brown and easy to lodging The potting soil is deficient in magnesium, and the edge of the leaf and the middle are green and white from the bottom to the top The potting soil is deficient in iron, and the brown spots are dry, and the general leaves are yellow, and most of the cases are caused by improper water and fertilizer Water yellow, that is, the soil is watered too much and the soil is wet for a long time, the air permeability is poor and even some fibrous roots are rotten. It shows that the young leaves are dark yellow and dull, and the new shoots are shrunk and fat yellow, that is, there is a lot of fat, which is manifested as the tips of the old leaves turning yellow and falling off, and the new leaves are thick and shiny, but they are generally uneven and uneven. If it is a precious flower, you can sprinkle a layer of cabbage or radish seeds, and then pull it out after a few days of emergence to consume nutrients Dry yellow, due to long-term watering or dehydration, although the new leaves are normal in color, but the lower leaves gradually dry up and fall off and aging alkali yellow, especially some southern flowers like acidic soil, while the northern water quality is alkaline, the leaves gradually fade and turn yellow or even fall off.

The easiest way to do this is to pour fermented rice washing water or rainwater.

In addition to the lack of relevant fertilizers, it can also be caused by water control. If the yellowed leaves fall off at the touch, the soil is too wet and you should stop watering. If the leaves turn yellow and withered, fall on the stems, and it takes a lot of effort to pull them off, it means that the soil is too dry and lacks water.

There is a problem with the chloroplast organelles, the chloroplast lacks mg ions, so the chlorophyll cannot be synthesized in time, and the leaves will turn yellow, or the leaves will senescent and secrete abscisic acid, and the leaves will also turn yellow.

Lack of potassium, zinc, or environmental pollution.

The potting soil is deficient in nitrogen, the leaves are small, the leaf color is light yellow, the lower leaves are yellow first, and gradually the whole plant loses its green, and the lower part is more yellow and light.

The potting soil is deficient in phosphorus, the leaves are curled, the leaf color is dark green, and the leaf veins of the lower leaves are yellowed.

The potting soil is deficient in potassium, and the margins of the lower leaves are brown and easy to lodging.

The potting soil is deficient in magnesium, and the edge and middle of the leaves are green and white from bottom to top.

The potting soil lacks iron, the brown spots appear to be dry, and the leaves generally turn yellow, most of which are caused by improper water and fertilizer.

Water yellow, that is, too much water causes the soil to accumulate water for a long time, poor air permeability and even some fibrous roots rot. It shows that the young leaves are dark yellow and dull, and the new shoots are shriveled.

Fat yellow, that is, fat, manifested as the old leaves and branches turn yellow and fall off, although the new leaves are thick and shiny, but generally uneven and unstretched. If it is a precious flower, you can sprinkle a layer of cabbage or radish seeds, and pull it out after a few days of emergence to consume nutrients.

Dry yellow, due to long-term lack of watering or dehydration, although the new leaves are normal in color, the lower leaves gradually dry yellow and fall off and age.

Alkali yellow, especially some southern flowers prefer acidic soil, while the northern water quality is alkaline, and the leaves gradually fade, turn yellow or even fall off. The easiest way to do this is to pour fermented rice washing water or rainwater.

In view of many years of cultivation experience, the foliar yellowing of the plant can be divided into the following situations:

1. Lack of sunshine.

2. Excessive watering.

3. The plant has poor cold tolerance and has been frost damaged.

4. Lack of fertilizer.

5. If it is hydroponics, one is that the number of water changes is too frequent, and the other is the lack of nutrient solution.

6. Poor ventilation.