What is the effect of bean green? what if the leaves turn yellow?

Douban green prefers a warm and humid semi-overcast environment. The suitable temperature for growth is about 25 ℃, and the lowest is not less than 10 ℃. It is not resistant to high temperature, requires high air humidity and avoids direct sunlight. There is nothing better than to put a basin on your desk. So how much knowledge do you know about Douban Green? if you don't know, come and have a look.

What is the function of Douban Green

1. The function of Douban green: ornamental

Douban green is a small ornamental plant, which has high ornamental value in home decoration. Thick leaves and emerald green color, fresh and natural, small and lovely and other characteristics are deeply loved by people. Especially the green and glossy leaves, the luster is naturally moving, and it is better to watch.

2. The function of Douban green: decorating the home.

Douban green can be placed indoors to decorate the home, which is very fresh and natural. Douban green plant type is small, Douban green will be planted in white porcelain pots or art flowerpots, petite body, green leaves, very elegant and elegant. It is very beautiful on the coffee table, desk and office table. Or hang it in front of the window or bathroom, also very pleasing to the eye. Cold home, with small green plants, more or less added a bit of warmth.

3. The function of Douban green: purifying the air.

When it comes to purifying the air, Douban Green absolutely said: the green leaves of the whole plant can purify harmful gases such as formaldehyde and dibenzene in the air, which has a certain positive effect on the safety of the home environment. Placing a pot of green plants indoors can also protect your eyes and relieve fatigue.

4. The function of Douban green: medicinal value.

Douban green can be used as medicine. According to the theory of traditional Chinese medicine, the internal use of Douban green can dispel wind and dehumidification, relieve cough and expectoration, and has a significant effect on the treatment of bronchitis, asthma, pertussis and so on. Therefore, Douban green is an important part of Chinese herbal medicine. However, friends do not use it at home at will, it is a third of the poison, use or follow the regular approach.

Second, what if the green leaves of Douban turn yellow

1. Douban green is not watered properly

Douban green likes the moist environment, but it does not mean that it needs more water. Douban green watering too much rhizome is soaked in water for a long time, and the nutrients of the plant can not be transported upward, resulting in yellowing of leaves. If it is not watered enough, the plant will lack water physiologically and the leaves will turn yellow and curl.

Therefore, during the maintenance period, it is necessary to ensure that the soil of the plant is moist, do not accumulate water, and spray properly 2 or 3 times a day to increase indoor humidity.

2. The temperature of Douban green is too high

In fact, Douban green leaves black, soft, yellow, higher temperature will be the main reason, people will sweat when muggy, the plant can only rely on its own reaction, tell its owner. So be sure to control the temperature and try not to exceed 38 ℃.

3. Improper fertilization of Douban green.

Douban green requires a lot of fertilizer and water, so we should pay attention to avoid the root system when fertilizing, so as not to burn the root with fertilizer and cause root rot, thus causing yellow leaves. But also do not blindly apply fertilizer, require gradual circulation, should be appropriate application of fertilizer and water. The best way to apply fertilizer is to apply fertilizer in the evening and water it the next morning, which can give play to the best fertilizer effect and effectively avoid fertilizer damage.

4. Damage of green disease and insect of Douban.

Black spot gray mold is caused by high humidity and poor ventilation in the environment. Always observe and find that bugs eat leaves, seduced by beer, scalded to death by boiling water or killed by salt. If the plant suffers from ringspot disease and the plant is dwarfed and twisted, an appropriate amount of Bordeaux solution can be sprayed at this time. In short, to prevent the harm of diseases and insect pests to the plant, early detection and early treatment.

What if the green roots of Douban are rotten? what if the leaves of Douban turn yellow?

In the cultivation of Douban green, it may cause root rot or yellowing due to improper maintenance and other reasons, that Douban green root rotten how to do? What if the green leaves of Douban turn yellow? Let's take a look at it with us.

What about the rotten green roots of Douban?

1. The temperature is too high

Douban green culture should also pay attention to the light and temperature. Douban green needs to be placed in a place with plenty of light in winter. But in the hot summer Douban green is more afraid of heat, need to spray water under the shade shed to cool down, the temperature is too high and too hot will cause Douban green stems and leaves to blacken and rot. Properly apply some fertilizer to Douban green, pour some water, and put it in a semi-shady place for a few days, the situation of Douban green root rot will be improved.

2. Too much watering

Douban green likes to be wet, soil-cultivated Douban green should be careful not to water too much, too much water will lead to the death of Douban green rotten roots. In general, we should pay attention to watering, watering thoroughly, once a week, but also pay attention to keep the air moist.

3. Improper fertilization

Improper fertilization of Douban green will also cause Douban green roots to rot. Douban green requires a lot of fertilizer and water, so we should pay attention to avoid the root system when fertilizing, so as not to burn the root with fertilizer and cause the root rot of Douban green root.

4. Poor water quality

Douban green can be hydroponically cultivated, but pay attention to the water quality. If the water body is sticky and worried, it needs to be cleaned and replaced with clean water, otherwise it will cause Douban green root system to be contaminated and rotten.

5. Occurrence of disease

Douban green root and neck rot is one of the diseases prone to Douban green, which should be treated in time and generally sprayed with 1000 times of carbendazim wettable powder.

The green leaves of Douban turn yellow (causes and treatment methods)

1. Improper maintenance

It may be due to too much water, or low temperature, insufficient fertilizer and so on. If Douban green is put indoors, astigmatism is fine, do not always bask in the sun, water thoroughly at a time, once a week. Properly replenish fertilizers and increase nutrition.

Douban green prefers a warm and humid semi-overcast environment. The suitable growth temperature is about 25 ℃, the lowest temperature should not be lower than 10 ℃, and the overwintering temperature should not be lower than 5 ℃. Not resistant to high temperature, requiring high air humidity. Like loose, fertile, well-drained moist soil. Drought resistance, watering should not be too much, especially in autumn and winter to reduce watering. If the air is dry, you can spray more water to the leaves and avoid frost.

2. Too much sun

Douban green is a shade-loving plant, as long as it provides scattered light that can carry out photosynthesis, avoiding direct sunlight. Giving Douban green too much exposure to the sun is one of the reasons why Douban green leaves turn yellow. You can properly apply some fertilizer, pour some water, and put it in a semi-overcast place for a few days, and Douban green will be green again.

3. Diseases and insect pests

Black spot gray mold, caused by high humidity and lack of ventilation. Always observe and find slugs eating leaves, seducing them with beer, scalding them with boiling water or killing them with salt. Ringspot virus disease damage, the damaged plants produce dwarfing, leaves twisted, can be sprayed with the same amount of Bordeaux solution. In addition, root rot disease and scab disease were sprayed with 1000 times of carbendazim wettable powder.

What if the green leaves of Douban turn yellow? The solution to the yellowing of green leaves of Douban

Douban green is now many people like to plant potted plants, many people reflect Douban green leaves yellowing, and then the editor will introduce you to Douban green leaves yellowing how to do? To help everyone better plant Douban green.

Douban green leaves yellowing, the biggest reason is stagnant water, or rotten roots, only a good grasp of the causes of Douban green leaves yellowing, can solve this problem, and then the editor will summarize it for you in detail.

The causes of yellowing of Douban green leaves and its solutions:

1. Too much water

Douban green likes to be moist most, but you should also pay attention to the amount of watering, not too much watering, as long as you keep the air moist enough, if you water too much, it will cause Douban green leaves to yellowing or rotten roots, affecting the growth of Douban green.

two。 Insufficient water supply

I just said that Douban green likes to be moist, so we must keep enough moisture. If Douban green leaves curl and turn yellow, it proves that the water supply of Douban green roots is insufficient, and we must water them in time. At the same time, we should pay attention to the amount of water, moderate.

3. Temperature control

Douban green must do a good job in temperature control, especially in the cold winter, must be prevented in sunny places, in hot summer should be placed in a cool place, timely spray cooling, the temperature is too high or too hot will cause Douban green leaves to turn yellow.

4. Fertilization management

Douban green has a high demand for fertilizer and water, but it must be noted that fertilization is to avoid the roots of Douban green, otherwise fertilizer may burn roots and cause Douban green root rot, so we must not apply fertilizer blindly and water it step by step.

5. Pest control

The main disease of Douban green is Botrytis cinerea, which is mainly caused by high humidity and lack of ventilation, so we must put Douban green in a ventilated place, which can effectively avoid the occurrence of the disease.