What if the leaves of Daphne odorifera turn yellow in Phnom Penh, control the amount of water / pay attention to shading / control diseases and insect pests

Phnom Penh Daphne is a kind of flower plant with high ornamental value, its leaf edge is inlaid with gold, yellow like gold, green like jade, jade leaf is luxuriant all the year round, giving people a very auspicious feeling. However, plants in the United States will also affect their overall sense of beauty if their leaves turn yellow. What about the yellow leaves of Phnom Penh Daphne? Next, the editor will take you to learn about it.

First, what if the leaves of Daphne odorifera turn yellow in Phnom Penh? find the reason.

If we want to know how the leaves of Daphne odora turn yellow in Phnom Penh, we must first find out the cause of this phenomenon, and then we can deal with it pertinently. There are many reasons for this phenomenon, such as too strong light, improper fertilization and so on, as for how to solve it? Let's move on.

Second, the reasons for the yellowing of Phnom Penh Daphne leaves (with solutions)

1. Soil alkaline weight

Phnom Penh Daphne prefers fertile, loose and humic acid-rich saprophytic soil, which has good drainage and air permeability, which is more conducive to its growth. If the soil we choose is too alkaline, it is easy to yellowing the leaves of Phnom Penh.

Solution: if it is a soil problem, we can occasionally trade diluted vinegar or lemonade during conservation to change the acidity and basicity of the soil, and the yellowing of leaves will slowly recover after the soil turns sour.

two。 Fertilization is too little or too thick.

Fertilizer is one of the main nutrients in the growth of Phnom Penh. If we apply too little fertilizer or the concentration of fertilizer is too high, the leaves of Phnom Penh will turn yellow. If it is fertilized too little, it will turn yellow due to lack of nutrients, and if the fertilizer concentration is too high, it will burn the plant and cause yellowing.

Solution: in the growing period of Phnom Penh Daphne, its demand for fertilizer is so high that it needs to be fertilized once in 10 days. However, one thing we should keep in mind when applying fertilizer is that the fertilizer must be diluted before it is applied so that the plant can absorb it. If the concentration of fertilizer is too high, it is easy to burn the plant.

3. Too much or too little watering

When we water Phnom Penh Daphne, we cannot water too much or too little. If we water too much, it is easy to make its roots rot, and if we water too little, it will also make its leaves lose water, resulting in the phenomenon of yellow leaves in Phnom Penh.

Solution: if it is caused by improper watering, it is actually very simple to deal with, as long as we return to the normal watering frequency, so that the yellowing leaves will gradually turn green. We just have to remember to keep the principle of dry and wet when watering Phnom Penh.

4. The light is too strong.

Phnom Penh Daphne prefers the semi-shaded environment, although the growth process also needs light, but it can not be placed in direct sunlight for a long time, otherwise it is easy to sunburn plants and cause yellow leaves of Phnom Penh Daphne.

Solution: in the process of cultivating Phnom Penh Daphne, it is best to put it in a place of sunlight scattering to avoid direct sunlight, and when the summer light is relatively strong, we can move it to indoor semi-shade for breeding. so as not to burn the plant and cause its leaves to turn yellow.

5. Diseases and insect pests infestation

In the process of cultivating Phnom Penh Daphne, if the cultivation is improper, it is easy to have diseases and insect pests and other problems, which do great harm to the plant, which will not only cause the leaves of Phnom Penh to turn yellow, but also cause the plant to die in serious cases.

Solution: if there are diseases and insect pests in Phnom Penh, we must deal with them in time, because the longer the time drags on, the greater the harm to the plant. The specific treatment methods are introduced in the article on pest control of Daphne odorifera in Phnom Penh, which you can understand.

What if the leaves of Daphne odorata turn yellow and droop in Phnom Penh?

Phnom Penh Daphne has bright colors and charming fragrance, which is of high ornamental value. Flower friends are often not careful enough when they are cultivated, and there is often a phenomenon of yellowing of leaves. Let's take a look at what the reason is and what to do.

What about the yellowing of Phnom Penh Daphne leaves? the reason for the yellowing of Phnom Penh Daphne leaves: the soil is alkaline.

Phnom Penh Daphne is suitable to grow in loose and fertile soil rich in humus. If the selected soil is alkaline, it will cause the leaves of Phnom Penh to turn yellow slowly.

Solution: replace the acidic soil or add ferrous sulfate solution to the basin soil.

The reason for the yellowing of Phnom Penh Daphne leaves: the sun is too strong

Daphne in Phnom Penh likes the sun, but is afraid of the hot sun. In summer, plants should be placed in a cool and ventilated environment, or in an environment without direct sunlight. If the sun shines too hard or there is no sunlight, it will cause the leaves to turn yellow.

Solution: put Phnom Penh Daphne in a place with plenty of astigmatism.

Reason for the yellowing of Phnom Penh Daphne leaves: the temperature is too low

The drought resistance of Phnom Penh Daphne is poor, if the temperature is too low, the growth of the plant is inhibited, and the leaves are easy to yellowing and falling off.

Solution: the potted plant of Daphne odorifera in Phnom Penh should be moved indoors before Frosts Descent, and the temperature should not be lower than 5 ℃.

The reason for the yellowing of Phnom Penh Daphne leaves: excessive moisture

Phnom Penh Daphne likes to be afraid of waterlogging, and pot maintenance should control the amount of water. When the basin soil is too wet, it is easy to appear root rot and stem rot, resulting in yellowing leaves.

Solution: replant with clean sterilized culture soil, put it in a cool and ventilated place and water it reasonably.

The reason for the yellowing of Phnom Penh Daphne leaves: improper fertilization

Phnom Penh Ruixiang likes fertilizer, especially mature organic fertilizer, but the amount should be good, fertilization should be diligent. If you fertilize too much and do not water in time, it is easy to cause fertilizer damage, resulting in Phnom Penh Daphne leaves yellowing.

Solution: reasonable fertilization, choose mature bean cake fertilizer and water, and dilute it before fertilization.

The reason for the yellowing of Phnom Penh Daphne leaves: diseases and insect pests

Phnom Penh Ruixiang improper maintenance is easy to be disturbed by diseases and insect pests, Fusarium wilt or leaf spot disease is, the leaves will be yellow and dry.

Solution: during the onset of the disease, timely spraying agents, once a week, continuous spraying or root irrigation for 5 or 6 times, the effect will be more obvious.

What if the leaves of Daphne odorata turn yellow in Phnom Penh?

The reason for the yellowing of Phnom Penh Daphne leaves: the soil is partial to alkali

Phnom Penh Daphne is suitable to grow in loose and fertile soil rich in humus. If the selected soil is alkaline, it will cause the leaves of Phnom Penh to turn yellow slowly.

Solution: replace the acidic soil or add ferrous sulfate solution to the basin soil. (clever editor, give you a full set of soil acidification methods, do me a favor! → _ → soil acidification method)

The second reason for the yellowing of Phnom Penh Daphne leaves: the sun is too strong

Daphne in Phnom Penh likes the sun, but is afraid of the hot sun. In summer, plants should be placed in a cool and ventilated environment, or in an environment without direct sunlight. If the sun shines too hard or there is no sunlight, it will cause the leaves to turn yellow.

Solution: put Phnom Penh Daphne in a place with plenty of astigmatism.

The third reason for the yellowing of Phnom Penh Daphne leaves: the temperature is too low.

The drought resistance of Phnom Penh Daphne is poor, if the temperature is too low, the growth of the plant is inhibited, and the leaves are easy to yellowing and falling off.

Solution: the potted plant of Daphne odorifera in Phnom Penh should be moved indoors before Frosts Descent, and the temperature should not be lower than 5 ℃.

The reason for the yellowing of Phnom Penh Daphne leaves 4: too much water

Phnom Penh Daphne likes to be afraid of waterlogging, and pot maintenance should control the amount of water. When the basin soil is too wet, it is easy to appear root rot and stem rot, resulting in yellowing leaves.

Solution: replant with clean sterilized culture soil, put it in a cool and ventilated place and water it reasonably.

The reason for the yellowing of Phnom Penh Daphne leaves 5: improper fertilization

Phnom Penh Ruixiang likes fertilizer, especially mature organic fertilizer, but the amount should be good, fertilization should be diligent. If you fertilize too much and do not water in time, it is easy to cause fertilizer damage, resulting in Phnom Penh Daphne leaves yellowing.

Solution: reasonable fertilization, choose mature bean cake fertilizer and water, and dilute it before fertilization.

The reason for the yellowing of Phnom Penh Daphne leaves 6: diseases and insect pests

Phnom Penh Ruixiang improper maintenance is easy to be disturbed by diseases and insect pests, Fusarium wilt or leaf spot disease is, the leaves will be yellow and dry.

Solution: during the onset of the disease, timely spraying agents, once a week, continuous spraying or root irrigation for 5 or 6 times, the effect will be more obvious.