What is the cause of yellowing of plum leaves?

The soil hardens, resulting in poor root growth. Or unreasonable watering Wax plum is drought tolerant and afraid of moisture. Fertilizer can be applied gradually according to the need for fertilizer. If it is the cause of excessive watering and fertilization of rotten roots, it is necessary to cut off the rotten roots and control the water and fertilizer.

When we manage the plum blossoms, we need to replace the plum blossom pots every 2 to 3 years to prevent the soil from becoming alkaline and the soil from hardening, resulting in poor root growth. Generally speaking, when we change a pot of plum, we can add a small amount of decaying fertilizer to the soil. The soil can use a good mixture of leaf mold, peat, and sand.

Unreasonable watering Wax plum is drought tolerant and afraid of moisture, so pay attention when watering. If there is water in the pot for a long time, or the soil is too wet, it is easy to cause poor growth of wax plum, yellow leaves, and dry leaves. But the soil is too dry, and due to the lack of water, the leaves of wax plum will also appear yellow and dry.

Usually when we water plums, we can wait until most of the soil is dry before watering.

Plum is also known as wax plum, yellow plum, dry branch plum, fragrant wood, fragrant plum, plum family, and plum genus. Origin and habit: Native to central China, Sichuan, Hubei, Shaanxi are distributed, western Hubei is Shennongjia wild forest.

Lame is light-loving, slightly half-shaded, drought-resistant, cold-tolerant, avoids wet waterlogging, deep soil, and has good drainage. Morphological characteristics: Wax plum is a deciduous or semi-evergreen shrub with nearly four edged branches.

Leaves simple, opposite, ovate-lanceolate or ovate-elliptic, papery, apex tapering, surface green and rough, dorsal bluish-grey and smooth. The flowers are bisexual, solitary in the axils of annual branches, the peduncle is very short, the perianth petals are lanceolate, waxy yellow, the perianth inner wheel has purple stripes or spots, fragrant. achenes, oval, chestnut-brown, shiny, born in pot-shaped vessels, flowering from December to March.

The yellowing of the leaves of the plum may be caused by improper watering, lack of fertilizer, and unsuitable potting soil.

1. Watering appropriately.

Improper watering of the plum is easy to make the roots fester, can not provide sufficient water to the leaves, resulting in the yellowing of the leaves to reduce the ornamental value, the rotten roots of the plum need to be cut off, and then replace the suitable soil, spray water every other week, so that the leaves gradually restore the color.

2. Reasonable fertilization.

If too much fertilization or lack of nutrients causes the leaves to turn yellow, then what to do if the leaves of the plum are yellow, if the fertilization is excessive and the roots are irrigated with water to drain the fertilizer, usually in spring and autumn, it is best to apply nitrogen and phosphorus fertilizer every 15 20 days, you can choose Bika water-soluble fertilizer, or apply a well-rotted organic fertilizer.

3. Turn over the pot and change the soil.

If you do not repot and change the soil for a long time, the potting soil of the plum will reduce the efficiency of providing water and nutrients, and finally the leaves will turn yellow, and you need to repot and change the soil every 2 or 3 years, and you usually need to loosen the soil every half a month, so that the plum grows better in the soil.

1. Lack of sunlight.

Reason: The leaves of the plum become yellow and dry, which may be related to the lack of sunlight, when the plum does not absorb enough sunlight during the growth process, it may affect the normal growth, causing the growth to deteriorate, causing the leaves to begin to yellow and dry up.

2. Overwatering.

Reason: If you accidentally water the plum too much, it will cause the roots to breathe hard, which will cause the leaves to be watered and dry up.

3. Improper fertilization.

Reason: Reasonable application of Trim fertilizer can promote the growth of plum, if there is no fertilizer for a long time, or insufficient fertilization, the normal nutrient demand is difficult to be guaranteed, which will cause the leaves to yellow and dry. If the fertilization is too much and too concentrated, or the fertilization interval is short, it will also lead to fertilizer damage and yellow leaves.

The leaves of the plum are yellow and dry, if it is caused by a long-term lack of sunlight, it can be kept in a well-lit location during the growth period to maintain bright sunlight. If it is caused by too much watering and rotten roots, water it in time after the soil is dry.

If the leaves of the plum blossom are now yellow, most of the time it is caused by potassium deficiency, so you should give it some potassium fertilizer to relieve it.

It is normal for plum trees to have dry and yellow leaves in winter. Plum tree, deciduous shrub. It is best to let its fallen leaves sleep naturally. Potted plum is generally sensitive to water, and it is enough to keep the soil slightly damp.

What causes the yellowing of the leaves of the tiger thorn plum in summer? How to solve it, keep these 4 points in mind.

When the plum reaches the period of natural change of season, some old leaves will gradually turn yellow and fall off. Solution: It is normal for yellow leaves to appear during the change of seasons.

After the yellowing of the old leaves fall, you can remove them in time.

2.Lack of water Reason: Plum needs sufficient watering to grow, if it is not watered for a long time, the soil will become very arid, and the roots will lose their leaves if they are not watered enough.

3.Lack of fertilizer Reason: In the period of rapid growth, the demand for fertilizer is greater, and if there is a long-term lack of fertilizer, it will also cause leaf loss.

4.Root rot Causes: Not only the lack of water and nutrients will lead to yellow leaves, but too much water and fertilizer will also cause yellow leaves to fall off.

This plant is resistant to arid climates, but it is also very afraid of standing water, so the yellowing of the leaves may be caused by us drenching too often. This reason is characterized by the fact that the old leaves have not undergone any noticeable changes, but the relatively young leaves have turned yellow, and we should immediately control the amount of water applied.

Even if this plant is suitable for drought, it also needs a certain amount of water due to its growth, so it is manifested in **. Generally, if it is yellow because of lack of water, it will be manifested in the old leaves from the bottom to the top of the first start to turn yellow, if the lack of water for a little longer, it will cause the whole plant to become yellow leaves, or even the whole plant to die, at this time we should water immediately.

This plant should be fertilized once a year after the flowers have withered, and then in the spring when the new leaves have grown up until June, which is the peak growth season, about every 10 to 15 days, then again in July and August, and again after autumn. If the number of fertilization is too frequent, in the season that is not suitable for multiple fertilization, there will be young leaves that are thick, shiny and uneven, and the amount of fertilization should be controlled.

It may be because the fertilizer applied is not enough or the application time interval is too long, which is manifested in the small leaves and young stems of the first yellowing, if you see this situation and do not apply fertilizer immediately, it will cause the whole plant to turn yellow or even die. If the flowers lack fertilizer, do not apply a large amount of thick fertilizer at one time, otherwise there will be root burning.

This plant sometimes appears yellow leaves due to too much change in the fertility conditions of the soil, which is manifested in the obvious yellowing of the young leaves, while the old leaves are relatively slight, the mesophyll appears yellow, and the veins of the leaves appear green. At this time, some solution containing ferrous sulfate can be applied.

1. Normal maintenance.

Reason: When the plum reaches the period of natural change of season, some old leaves will gradually turn yellow and fall off.

Solution: It is normal for yellow leaves to appear during the change of seasons, and after the yellowing of old leaves falls, you can remove them in time.

2. Lack of moisture.

Reason: The growth of plum needs sufficient watering, if there is no watering for a long time, the soil will become very arid, the roots can not absorb water, and in the long run, it will cause the leaves of the plum to turn yellow, and even the whole plant will be weakened.

Solution: After finding that the soil is dry and the plant lacks water, it should be watered and thoroughly immediately, and it should be watered and replenished according to the needs of growth in the later stage.

3. Lack of fertilizer.

Reason: During the period of rapid growth, the demand for fertilizer is greater, and if there is a long-term lack of fertilizer, it will also cause the leaves to turn yellow.

Solution: In different stages of growth, gradually fertilize according to the demand for fertilizer to ensure sufficient nutrients. After the lack of fertilizer, a small amount of fertilizer can be applied as appropriate.

Fourth, root rot.

Reason: Not only does the lack of water and nutrients lead to yellow leaves, but too much water and fertilizer can also cause yellow leaves, causing root rot, which turns the leaves yellow.

Solution: Pay attention to control at ordinary times, once the roots are rotten, take out the plants carefully, cut off the rotten roots, and control the water and fertilizer.

The yellow leaves of the plum appear, depending on the characteristics of its occurrence, there are the following situations:

One is water yellow. Caused by over-frequent watering, it is characterized by no obvious change in old leaves and yellowing of young leaves; This should be done with immediate water control;

The second is dry yellow. Caused by lack of water and drought, it is characterized by the first yellow leaves from the bottom up, if the lack of water for a long time, the whole plant will be yellow, and even die, should be watered in time;

The third is fat yellow. Caused by excessive fertilization or high concentration; It is characterized by thick, shiny, and uneven young leaves; Fertilizer, cultivation and watering should be controlled;

Fourth, hungry yellow. It is caused by insufficient fertilizer, low fertilizer concentration, and long fertilization interval; It is characterized by the first yellow of young leaves and young stems, and if you do not fertilize in time after seeing this phenomenon, it will also cause the whole plant yellow leaves or even die; For flowers lacking fertilizer, avoid applying a large amount of thick fertilizer at one time, so as not to cause root burning;

Fifth, iron deficiency yellow leaves. Due to the great change of soil fertility conditions, the phenomenon of yellow leaves often occurs in greenhouses, which is characterized by obvious young leaves, light old leaves, yellow mesophyll, green leaf veins, and the formation of a typical network. It can be solved by applying ferrous sulfate aqueous solution, and the method is: 7 parts of cake fertilizer, 5 parts of ferrous sulfate, and 200 parts of water are prepared into multiple liquid water.

The yellow leaves of the plum appear, depending on the characteristics of its occurrence, there are the following situations:

One is water yellow. Caused by over-frequent watering, it is characterized by no obvious change in old leaves and yellowing of young leaves; This should be done with immediate water control;

The second is dry yellow. Caused by lack of water and drought, it is characterized by the first yellow leaves from the bottom up, if the lack of water for a long time, the whole plant will be yellow, and even die, should be watered in time;

The third is fat yellow. Caused by excessive fertilization or high concentration; It is characterized by thick, shiny, and uneven young leaves; Fertilizer, cultivation and watering should be controlled;

Fourth, hungry yellow. It is caused by insufficient fertilizer, low fertilizer concentration, and long fertilization interval; It is characterized by the first yellow of young leaves and young stems, and if you do not fertilize in time after seeing this phenomenon, it will also cause the whole plant yellow leaves or even die; For flowers lacking fertilizer, avoid applying a large amount of thick fertilizer at one time, so as not to cause root burning;

Fifth, iron deficiency yellow leaves. Due to the great change of soil fertility conditions, the phenomenon of yellow leaves often occurs in greenhouses, which is characterized by obvious young leaves, light old leaves, yellow mesophyll, green leaf veins, and the formation of a typical network. It can be solved by applying ferrous sulfate aqueous solution, and the method is: 7 parts of cake fertilizer, 5 parts of ferrous sulfate, and 200 parts of water are prepared into multiple liquid water.

There are many reasons why the leaves of the plum are yellow and dry, if it is caused by strong light exposure in summer, you can move it to a cool and ventilated place and spray water around. If it is caused by soil compaction, the soil can be changed every 2-3 years.

Plum needs light in the growth stage, but too strong light can not withstand it, which will cause the leaves to be burned and sunburned, causing the leaves to turn yellow and dry.

Plum should be given enough light to grow, but it should not be grown in strong light. When the light is too strong, it is necessary to move the plum to a cool and ventilated place, and spray moisture around it to promote rejuvenation.

Planting method: Choose neutral or slightly acidic sandy soil with deep soil layer, sheltered from wind and sun, and good drainage, and generally plant before budding in spring. Seedlings were planted with a row spacing of 30 cm to 50 cm; 2-3-year-old medium seedlings are planted at a row spacing of 50 cm to 55 cm.

The large seedling hole planted in the garden is 60-70 cm in diameter and 40-50 cm deep. The bottom of the hole is filled with well-rotted manure and soybean cake as base fertilizer, and after covering a layer of soil on the base fertilizer, the wax plum plant with soil balls is put in, filled with soil, stepped on and watered.

Choose loose and fertile, well-drained sandy soil as culture soil, put a layer of gravel on the drainage hole at the bottom of the pot or tank, choose a small plant with full flower buds in the early winter of each year, dig it up with soil, plant it in a pot, and display it after flowering. Usually keep it outdoors in a sunny place.