How does Douban green leaf turn yellow to return a responsibility, how to save

Douban green because of the unique leaves, by the flower friends sought after, if the Douban green leaves in the maintenance, improper treatment, Douban green leaves yellow how to do, Douban green leaves yellow suddenly lost ornamental, of course, Douban green in the maintenance time longer, the old leaves more likely to yellow, this also belongs to the normal phenomenon, below to see the impression Douban green leaves yellow what reasons, avoid raising Douban green leaves yellow phenomenon.

What is the matter with the yellow leaves of Douban Green? 1. Too much watering causes the leaves to yellow.

Douban green likes moisture, generally pay attention to watering, but also pay attention to maintain air humidity, but soil culture Douban green should also pay attention not to water too much, too much moisture will lead to Douban green leaves yellow or rotten roots death.

2. Insufficient water supply causes yellow leaves

Insufficient water supply at the roots leads to yellow curls on the leaves of Douban Green. Douban Green likes to be moist. To maintain the water supply of the soil, it is advisable to spray fog water 2~3 times a day.

3, the temperature is too high to cause yellow leaves

Douban green culture should also pay attention to the temperature, winter needs to be placed in a place with sufficient light, but in hot summer is more afraid of heat, need to put under the shade spray cooling, too high temperature will cause the stems and leaves to turn black and rot.

4. Improper fertilization leads to yellowing of leaves

Douban green requires more fertilizer and water. Pay attention to avoiding roots when fertilizing, so as to avoid burning roots of fertilizer and causing root rot. However, do not blindly apply fertilizer, require gradual circulation, and apply fertilizer water appropriately.

5. Diseases and pests cause yellow leaves

Black spot gray mold, humidity caused by large ventilation. To observe from time to time, found that slugs nibble leaves, the application of beer lure, boiling water or salt killed. Ringspot virus damage, the affected plants produce dwarfing, leaf distortion, can be sprayed with an equal amount of Bordeaux mixture. In addition, root neck rot, cork scab damage, with 50% carbendazim WP 1000 times solution spraying.

How to deal with the yellow leaves of watercress green leaves and how to deal with them

The yellow leaves will appear in the process of cultivation of Douban Green, which will affect the viewing effect. What about the yellow leaves? Find out why green leaves are yellow and how to solve them.

What about green leaves?

1. Too much watering: Douban green likes to be moist, so it is generally necessary to pay attention to watering and keep the air moist. However, it is also necessary to pay attention not to water too much for soil-cultivated Douban green. Too much moisture will lead to yellow leaves or rotten roots.

2. Insufficient water supply: insufficient water supply at the root of Douban Green leads to yellow curls of leaves. Douban Green likes to be moist. To maintain the water supply of soil, it is advisable to spray fog water 2- 3 times a day.

3, the temperature is too high: Douban green culture should also pay attention to the temperature, winter needs to be placed in a place with sufficient light, but in the hot summer is more afraid of heat, need to put under the shade spray cooling, the temperature is too high too hot will cause the stems and leaves black rot.

4. Improper fertilization: Douban green requires more fertilizer and water. Pay attention to avoiding roots when fertilizing, so as to avoid burning roots of fertilizer and causing root rot. However, do not blindly apply fertilizer, require gradual circulation, and apply fertilizer water appropriately.

5, pest damage: Douban green black spots gray mold, humidity caused by large ventilation. To observe from time to time, found that slugs nibble leaves, the application of beer lure, boiling water or salt killed. Ringspot virus damage, the affected plants produce dwarfing, leaf distortion, can be sprayed with an equal amount of Bordeaux mixture. In addition, root neck rot, cork scab damage, with 50% carbendazim WP 1000 times solution spraying.

Second, the cultivation method of Douban Green

1. Substrate: Douban Green likes to grow in loose, fertile, well-drained and humus-rich sandy soil, not suitable for growing in clay. Douban green configuration substrate is usually mixed with rotting leaf soil, river sand and a small amount of decomposed organic fertilizer, a better substrate can be selected peat soil and pearlite mixed cultivation.

2, light: Douban green likes half shade or scattered light, in addition to winter needs sufficient light, other seasons need a little shade, especially in summer more need shade. If placed in a shady environment, easy to grow, growth between branches, ornamental reduction, is also undesirable. Under semi-shade conditions, the leaf color is brighter and the luster is better, especially the variegated leaf variety, which has a slightly higher demand for sunlight.

3. Temperature: Douban green likes warm environment, the suitable temperature for growth is between 20--30℃, the winter temperature is best kept above 10℃, the growth is stopped below 10℃, and it is easy to freeze below 0℃.

4. Humidity: Douban Green likes humid growth environment, grows luxuriantly under high humidity environment conditions, leaves are bright, when the temperature is high or the air is dry, it is necessary to strengthen foliar spraying or watering in the growth environment to maintain high air humidity, which is extremely beneficial to the growth of plants. It can also adapt to short-term dry environment, but not for a long time, generally should be maintained at about 70%.

5. Watering: Douban green is more water-loving and not resistant to drought. It should be watered frequently during the growth period. When the temperature is higher than 25℃ or the air is dry, it should be watered more, but it should also prevent waterlogging. When the temperature is lower than 25℃, it should be watered thoroughly when the surface of the pot is dry. When the temperature is lower than 10℃, it can be dried for several days without watering.

6, fertilization: when the temperature is higher than 18℃, it needs a small amount of fertilization, when the temperature is lower than 18℃ or higher than 30℃, it is appropriate to apply less or no fertilizer, it is best to apply a small amount of fertilizer many times, to dilute the fertilizer solution instead of water irrigation is best, not tolerant of fertilizer and thick fertilizer, it is easy to cause fertilizer damage. Foliar fertilizer can also be sprayed for fertilization, and the effect is good. Nitrogen and potash fertilizer are the main fertilizers, phosphorus fertilizer is the second.

7. Pruning: For newly bred seedlings, the number of branches should be increased when the seedling height is about 10 cm, so that the plant type is fuller and the appreciation value is higher. The pruning of large plants generally depends on the growth.

8, hydroponic culture: When it comes to hydroponic culture, some people will ask Douban Green can be hydroponic, the answer is yes, hydroponic culture can directly cut longer branches or wash the whole basin after the substrate hydroponic culture, the environmental temperature when inserting branches is about 20--25℃, about 2 weeks can grow new roots, hydroponic ornamental is better.

9, pests: Douban green pests and diseases are less, the general occurrence of diseases are caused by improper care and environmental discomfort, can be adjusted to gradually recover. Pests are mainly caused by red spiders, but they can be prevented when maintaining high air humidity. When they occur, they can be prevented by wiping leaves with damp cloth or spraying special pesticides.

The above is how to do the yellow leaves of Douban green leaves introduced, if there are yellow leaves found in the breeding process should be dealt with in time, according to the breeding method for maintenance.

How to deal with the yellow leaves of green beans

Douban green leaves because of green round and popular love, placed in front of the window, tea table, desk Qing Samsonite, high ornamental value. However, the longer the maintenance time, the more likely the old leaves are to yellow, affecting the ornamental value. What about the yellow leaves? Let's take a look below!

What about green leaves?

1) Too much water.

Douban green likes moisture, generally pay attention to watering, but also pay attention to maintain air humidity, but soil culture Douban green should also pay attention not to water too much, too much moisture will lead to Douban green leaves yellow or rotten roots death.

2. Insufficient water supply

Insufficient water supply at the roots leads to yellow curls on the leaves of Douban Green. Douban Green likes to be moist. To maintain the water supply of the soil, it is advisable to spray fog water 2~3 times a day.

3, the temperature is too high

Douban green culture should also pay attention to the temperature, winter needs to be placed in a place with sufficient light, but in hot summer is more afraid of heat, need to put under the shade spray cooling, too high temperature will cause the stems and leaves to turn black and rot.

4. Improper fertilization

Douban green requires more fertilizer and water. Pay attention to avoiding roots when fertilizing, so as to avoid burning roots of fertilizer and causing root rot. However, do not blindly apply fertilizer, require gradual circulation, and apply fertilizer water appropriately.

5. Diseases and pests

Black spot gray mold, humidity caused by large ventilation. To observe from time to time, found that slugs nibble leaves, the application of beer lure, boiling water or salt killed. Ringspot virus damage, the affected plants produce dwarfing, leaf distortion, can be sprayed with an equal amount of Bordeaux mixture. In addition, root neck rot, cork scab damage, with 50% carbendazim WP 1000 times solution spraying.

Green farming methods:

1. Soil: Douban Green likes to grow in loose, fertile, well-drained and humus-rich sandy soil, not suitable for growing in clay, so the substrate is usually mixed with moldy soil, river sand and a small amount of decomposed organic fertilizer. The better substrate can be cultivated with optional peat soil and pearlite.

2, watering: Douban green is more like water, not resistant to drought, in the growth period to frequent watering, the temperature is higher than 25℃ or dry air to pour more water, but also to prevent waterlogging, the temperature is lower than 25℃ to pot soil surface dry and then pour through, the temperature is lower than 10℃, can be dry for several days without watering can also be tolerated.

3. Humidity: Douban green likes humid growth environment, grows luxuriantly under high humidity environment conditions, leaves are bright, when the temperature is high or dry, it is necessary to strengthen leaf spray or sprinkle water in the growth environment to maintain a high humidity, which is extremely beneficial to the growth of plants. It can also adapt to short-term dry environment, but not for a long time, generally should be maintained at about 70%.

4. Temperature: Douban green likes warm environment, suitable temperature for growth is between 20-30℃, winter temperature is best kept above 10℃, growth is stopped below 10℃, and freezing damage is easy below 5℃.

5, sunshine: Douban green likes half shade or scattered light, in addition to winter needs sufficient light, other seasons need a little shade, especially in summer more need shade. If placed in a shady environment, easy to grow, growth between branches, ornamental reduction, is also undesirable. Under semi-shade conditions, the leaf color is brighter and the luster is better, especially the variegated leaf variety, which has a slightly higher demand for sunlight.

6, fertilization: when the temperature is higher than 18℃, it needs a small amount of fertilization, when the temperature is lower than 18℃ or higher than 30℃, it is appropriate to apply less or no fertilizer, fertilization is best carried out a few times, diluted fertilizer solution instead of clear water irrigation is best, not tolerant of fertilizer and thick fertilizer, very easy to cause fertilizer damage. Foliar fertilizer can also be sprayed for fertilization, and the effect is good. Nitrogen and potash fertilizer are the main fertilizers, phosphorus fertilizer is the second.

7, pests: Douban green pests and diseases are less, the general occurrence of diseases are caused by improper care and environmental discomfort, can be adjusted to gradually recover. Pests are mainly caused by red spiders, but they can be prevented when maintaining high air humidity. When they occur, they can be prevented by wiping leaves with damp cloth or spraying special pesticides.

8. Pruning: For newly bred seedlings, the number of branches should be increased when the seedling height is about 10 cm, so that the plant type is fuller and the appreciation value is higher. The pruning of large plants generally depends on the growth.

Douban green is a very interesting herb, generally in the home will be placed on the table and other places, if you also like Douban green, then learn about the cultivation method of Douban green, the home of Douban green vigorous.