What to do if the leaves of the rhododendron are dry brown

The rhododendron leaves are dry and black, and if you raise them in this way, they will soon turn back to oily green and bloom more.

Hello, dark spots appear on rhododendron leaves, you have to find out the cause first. If it is caused by black spot infection, the leaves of the black spots can be removed and burned, and Tobuzin or chlorothalonil can be sprayed several times in a row. If it is caused by strong sunlight in summer, it can be moved to a cool and ventilated place.

If it is caused by too much watering and rotten roots, you can pay attention to reasonable watering, watering thoroughly, and the stagnant water should be promoted to drain. If it is caused by too much fertilization, it can be applied diligently with thin fertilizer, and too much fertilizer should be watered and diluted.

1. Infection with diseases.

Reason: Black spots appear on the leaves of the rhododendron, and it is necessary to determine whether it is infected with black spot disease, which is mainly caused by improper maintenance.

Solution: If it is determined that the disease is infected, in order to prevent the spread of the disease, you can first remove the leaves with black spots, gather them and burn them, and then move them to a ventilated place.

2. Avoid bright light.

Cause: Dark spots appear on the leaves of rhododendrons, or they may be caused by strong light exposure during the high summer temperatures.

Solution: It is required to pay attention to avoid light in summer, if it is exposed to strong light, you can remove the blackened leaves first, and then move to a cool and ventilated place.

3. Watered.

Reason: It needs to be watered properly to grow, and if the watering is not controlled, too much water can cause root rot, which in turn will lead to black spots on the leaves.

Solution: Pay attention to reasonable watering, as long as you water thoroughly, stop watering if there is too much water, actively promote the discharge of stagnant water, and if there are rotten roots, cut off the rotten part.

Fourth, too much fertilization.

Reason: It can't tolerate thick fertilizer, and if it is applied too much, it will lead to root burning and cause problems in the leaves.

Solution: Usually pay attention to thin fertilizer diligently, it is recommended to choose Ribery Yanwo water-soluble fertilizer, high utilization rate, good absorption, if there is too much fertilizer, it should be diluted by watering immediately.

First, the light is too strong.

1. Reason: Rhododendron likes sunlight, but it can't tolerate long-term strong light exposure. If you put it in a position with too much light when raising it, it may cause the leaf tip to dry out and turn brown.

2. Solution: Cut off the leaf with serious problems, then move it to a softer position and maintain it slowly.

Second, the humidity is too low.

1. Reason: It is relatively moisture-loving. If the humidity of the place where it is raised is too low to meet its requirements, it may cause it to grow poorly, and the leaf tips will dry up and turn brown.

2. Treatment method: Spray some water around the plant often to increase the humidity of the air. It will be restored shortly.

3. Excessive fertilization.

1. Reason: If it is usually applied with foliar fertilizer and sprayed frequently. It may also have leaf dryness because it can't tolerate too much flower fertilizer.

2. Treatment method: cut off the leaves that are seriously discolored and completely dry, and stop fertilizing for a period of time. During this period, the leaves are often wiped with water, and they can be restored after a short time.

There are two reasons for the dry leaves of azaleas, one is due to the weather and the other is due to care.

Rhododendron is not a sun-tolerant flower, and at noon, the light is very strong. If the azaleas are placed directly in the sun and no proper shading measures are taken, they are likely to get sunburned. Since the new leaves are more delicate than the price, there is a greater chance of being sunburned.

Proper shade can be provided, or it can be relocated to a cool, ventilated place, or under a tree.

Rhododendron prefers a moist growing environment, and if the weather is too dry, new leaves may dry up. As for the weather, it is also quite helpless, and all we can do is to create a humid environment as much as possible.

In addition, you can also spray more water mist on the leaf surface to artificially create a moist growth environment.

After <> the dried leaves of azaleas, the temperature of the growing environment should be controlled between 15 and 30 degrees, and then the plants should be watered with water once, so that the humidity inside the soil is about 70%, so that the branches and leaves can absorb enough water, and pay attention to the process of maintaining the azaleas, it is necessary to do a good job in disease prevention and control to prevent the plant from dying.

1. Control the temperature.

When the rhododendrons dry the leaves, turn on the heating equipment at home, adjust the room temperature to the range of 15 to 30 degrees, to avoid the leaves due to stuffiness or low temperature, the phenomenon of gradual wilting, pay attention to the summer, in addition to the need to reduce the temperature, but also need to block the rhododendron from strong light to prevent burning the leaves.

2. Replenish water.

Rhododendron has a high demand for water, if the soil is dry for a long time, the leaves of the plant will dry up, so during the maintenance process, it is usually watered every three to four days to ensure that the soil is moist, and in summer, when the soil surface is found to be dry, it is necessary to immediately replenish water for the rhododendron.

3. Disease prevention and control.

The main diseases of rhododendrons are brown spot and root rot, which can harm the growth of plants, so during the maintenance process, they should be placed in a ventilated environment, and sprayed with sterilization and disinfection agents for each rhododendron or the moon to reduce the probability of disease.

<> the leaves of rhododendrons are yellow and dry, which may be caused by alkaline soil, improper temperature and unsuitable light, when cultivating rhododendrons, it is necessary to provide them with slightly acidic sandy loam, and control the ambient temperature between 15-25 degrees, and to do a good job of shading measures for azaleas during the midsummer season.

1. Replace the soil.

Rhododendron is suitable for growing in acidic soil, when cultivating rhododendron, if the soil is slightly alkaline, it will cause the branches and leaves of the plant to wither yellow, you need to change the potting soil for the azalea, you can use sandy loam rich in humus, and apply ferrous sulfate to the soil to make the soil slightly acidic.

2. Suitable temperature.

Rhododendron is suitable for growing in an environment with a temperature of 15-25 degrees, when breeding rhododendrons, if the ambient temperature is lower than 10 degrees, it will lead to frostbite of the plant, so that the leaves of the rhododendron are yellow, and the rhododendron needs to be moved to a warm room for maintenance in the winter period, so that the plant grows healthily.

3. Discomfort in light.

Rhododendron likes the sun, but is not resistant to exposure to the sun, when breeding rhododendrons, if the light time is insufficient, it will cause the plant to be unable to carry out photosynthesis, so that its leaves are yellow, and if the azalea is exposed to strong direct light, the leech will make the plant flowers and leaves scorched, and the rhododendron needs to be placed in the indoor scattered light.

4. Maintenance management.

When maintaining rhododendrons, it is necessary to ensure that the potting soil is moist, and can be watered every other week to make the azaleas more vigorous, and during the growth of azaleas, they should be topped with well-rotted organic fertilizer to promote the flower bud differentiation of plants, and after the azaleas bloom, phosphorus fertilizer and basal fertilizer should be applied to them to make the plants more brilliant.