-
Leads to Brazilian magnolia flowers.
There are four more reasons for the yellowing of leaves, and it is enough to manage the symptoms after treatment.
1. Pest control.
The yellowing of the leaves of magnolia flowers may be the cause of the infestation. If the magnolia flower is not properly maintained, it may be infected with red spiders.
This type of pest can affect the growth of magnolia flowers, sucking the juice from the leaves, causing the leaves to turn yellow and cause the plant to die. Once infected with red spiders, you can spray 20% dicofol 1000 times liquid, spray once every 7-10 days, and spray 2-3 times continuously.
Second, the soil is unsuitable.
Magnolia flowers like acidic soil, if the soil is alkaline, the soil is compacted and heavy, which may affect the growth of roots, and in the long run, it will limit the growth, resulting in black and rotten roots. If it's a potted plant.
Magnolia flowers, can be replaced with loose slightly acidic soil, if it is ground magnolia flowers, can be watered with ferrous sulfate.
Aqueous solution, spray the foliar surface with an aqueous solution of ferrous sulfate, every 5-7 days.
3. Overwatering.
Magnolia is a fleshy root that cannot tolerate moisture, and if watered too much, it will cause a lot of water to accumulate at the roots, causing stuffy roots, which will cause the leaves to turn yellow. Watering should not be too much every day, start to reduce the amount of watering in late autumn, once the watering is too much, you need to stop the water in time, properly loosen the soil, drain the stagnant water, and strengthen ventilation.
Fourth, improper fertilization.
If long-term fertilization is insufficient, magnolia flowers lack certain nutrients, which will lead to yellow leaves. If too much fertilization is applied, it will cause fertilizer damage, which will also lead to yellow leaves. It is necessary to apply Bika water-soluble fertilizer according to the growth to meet the needs of good growth nutrition, and avoid topdressing concentrated fertilizer and raw fertilizer.
-
Summary. Hello, there are many reasons for yellow leaves. It may be caused by too much light, if you want to remedy, you need to cut off the yellow leaves in time, and then move the Brazilian orchid to a semi-shady environment for maintenance, so that it can be irradiated with an appropriate amount of scattered light, so as to improve the undesirable phenomenon of yellowing of its leaves.
Hello, there are many reasons for yellow leaf silver oranges. If you want to remedy it, you need to cut off the yellow leaves in time, and then move the Brazilian orchid to a semi-shady environment for maintenance, so that it can be irradiated with scattered light with the right amount of hail acorn, so as to improve the undesirable phenomenon of yellowing of its leaves.
It is also possible that the soil is waterlogged, pay attention to maintain good drainage, and replace the impervious soil. Just moisten it slightly.
In addition, it may be due to a lack of fertilizer, lack of nitrogen fertilizer or some trace elements may cause the leaves to turn yellow. Attention needs to be paid to replenishing fertilizer in a timely manner.
-
The main reasons for the yellowing of white orchid leaves: too much water, too high temperature, too little light, yellowing, root rot. Workaround:
Watering properly, keep the potting soil moist, maintain a uniform temperature of 5-10, pay attention to household maintenance to maintain sufficient light, choose slightly acidic soil, and apply a small amount of alkaline inorganic fertilizer.
Resolution. Watering properly.
The amount of watering should be continuously adjusted according to the climate humidity and other aspects to ensure the normal and appropriate moisture of the soil.
The temperature is right. To avoid the occurrence of excessive temperature difference, it is more appropriate to maintain the average temperature of 5-10, when the temperature rises, special attention should be paid to the ventilation of the breeding environment, and at the same time humidify the dry air.
Plenty of light. To ensure sufficient light, it is necessary to place the white orchid in the courtyard or home balcony, window sill and other places where the light time is long, but in summer, it is necessary to avoid direct sunlight, which can also adversely affect the plants.
Yellowing disease prevention and control.
Slightly acidic soil should be selected, alkaline inorganic fertilizer should be applied in small amounts, and ferrous sulfate should be sprayed on the foliar surface when the disease appears, the frequency is once a week, sprayed 3-4 times, or sprayed with alum fertilizer water once a week, sprayed 3-4 times, or used ambition to try to alleviate the condition.
Root rot control.
The occurrence of this disease is usually due to excess water, and watering should be done "not dry and not watered", and keep the soil loose and enhance its drainage. During the rainy season and other rainy seasons, when there is a lot of rainfall, timely rain shelter measures should be taken for the plants; When potting, you can add more broken tiles at the bottom of the pot to speed up the water flow and promote drainage.
The yellowing of the leaves is actually very easy to solve, each cause is closely related to our daily maintenance work, as long as we can do the work carefully, there is no need to worry about the green in the pot will leave us.
-
There are many reasons why magnolia leaves turn yellow, and if it is caused by overwatering, it needs to be drained in time to increase the aeration of the soil. If it is caused by pests and diseases, it is necessary to prescribe the right medicine and treat it in time. If the light is too strong, the plant needs to be moved to the shade.
Next, I will give you a specific explanation of the solution to the yellowing of the leaves of the jade modified curved orchid.
1.Replace the potting soil.
Magnolia has high soil requirements, so it is best to choose sandy soil with good drainage and slightly acidic for planting. If the soil is chosen to cause root rot, it will cause the plant to have yellowing of its leaves. It is necessary to change the potting soil in time, disinfect the roots before changing the potting, and cut off the rotten roots before repotting.
2.Shading treatment.
Jade core chailan likes light, but do not direct sunlight, otherwise it will cause the water of branches and leaves to evaporate too quickly. The yellow leaves can be cut off first, and the plants can be moved to the shade for maintenance. Wait for the plants to recover slowly and then move to a soft light for maintenance.
3.Water properly.
Magnolia likes moisture, if the potting soil is too dry, it will affect the photosynthesis of the leaves, and it is easy to cause the branches and leaves to wither and yellow. It needs to be watered in time to keep the potting soil moist. If the leaves are yellowing due to overwatering, you need to drain the water in time, and you can use the rooting agent to promote the magnolia to take new roots.
4.Increase fertilization.
Magnolia likes fertilizer, if too little fertilizer will lead to malnutrition of the plant, it should be fertilized in time after the plant is potted. Compound fertilizer is mainly applied during the flowering period, nitrogen fertilizer can be applied after flowering, and phosphorus and potassium fertilizer can be appropriately applied at high temperature in summer.
5.Disease prevention.
Common diseases of white orchid include yellow leaf disease and anthracnose, and the diseased roots should be cut off in time to prevent the virus from continuing to invade the plants, and can be protected by spraying ferrous sulfate solution.
6.Precautions.
There is also a condition that the yellowing of magnolia leaves is caused by the normal aging of the leaves, which is a normal phenomenon and does not need to be treated in any way.
The leaves of the orchid are a barometer of whether the orchid is healthy, which can reflect the growth trend and physiological condition of the orchid, the healthy orchid leaves are emerald green, shiny, vibrant, when the orchid has problems, the leaves will appear yellow, black, festering, wilting and other conditions. >>>More
If it is a black leaf spot, it may be caused by bacteria, first subtract the leaves with germs, do not cause secondary pollution, and the diseased leaves should be treated. You can use some sterilization medicine again, once every 10 days, and it will slowly take effect! For example, Tuobujin, chlorothalonil 、、、
The yellowing of the lower leaves of the spider plant is mainly due to too many leaves, that is, the plant is too large, resulting in poor ventilation in the small environment. >>>More
This potted flower is sunburned, less water, not enough fertilizer, and intermittently wet and dry for too long. caused by the loss of green in the leaves. >>>More
Causes of yellowing of iron leaves:
1 The yellowing of some old leaves may be caused by uneven drying and wetting of the potting soil; >>>More