How do the leaves of Phyllostachys pubescens turn yellow? excessive light / improper watering is the key.

In order to make the indoor environment more fresh and beautiful, many people will choose to raise a few pots of plants, and Phyllostachys pubescens is very popular because of its peculiar plant type and green leaves. However, in the process of culturing Phyllostachys pubescens, its leaves will turn yellow because of improper methods, poor environment and other reasons. What is the matter with the yellowing of bamboo leaves? Today, the editor is here to solve this problem for everyone.

First, how do the leaves of Buddha belly bamboo turn yellow?

To say that the leaves of Buddha belly bamboo turn yellow, in addition to environmental discomfort, it is caused by improper maintenance: if the light passes, it needs proper shading; if it is watered too much, the soil is loosened, and when there are rotten roots, it needs to be cut off, and then the pot soil needs to be replanted; if it is caused by alkali, the basin soil can be changed; if it is caused by diseases and insect pests, we need to spray to prevent and control it.

Second, the causes and solutions of the yellowing of bamboo leaves.

1. Environmental mutation

There are many reasons why the leaves of Phyllostachys pubescens turn yellow, and the first thing we should consider is the environment. Nowadays, everyone's potted bamboo plants are basically purchased online, which can easily lead to regional cross-service, the environment changes too much, Buddha belly bamboo can not adapt for a while, resulting in leaf yellow.

Solution: very simple, according to the growth habits of Phyllostachys pubescens, to provide its most suitable growth environment: sufficient astigmatism, slightly wet pot soil, environmental ventilation. After a period of time, the plant will return to health.

2. Excessive illumination

Buddha belly bamboo likes light, and sufficient light can make it grow luxuriantly. However, we need to note that Buddha belly bamboo bogey strong light, once it is exposed to the sun, the chlorophyll in its leaves will be destroyed, the tissue can not carry out normal photosynthesis, resulting in leaves slowly yellowing.

Solution: move the pot of Phyllostachys pubescens to a cool ventilation place in time, wait for it to slow down, and then slowly increase the light, so that the leaves of effective photosynthesis, the leaves will gradually turn green.

3. Improper watering

① insufficient watering: Buddha belly bamboo likes the humid environment, if the watering is too little, the root can not get nutrients, the leaves will naturally turn yellow. Solution: replenish water in time, but don't water too much at once, just keep the basin soil slightly wet.

② overwatering: although Buddha belly bamboo likes water, if it is watered too much, resulting in stagnant water in the basin soil, it will be difficult for the roots to breathe, the roots will rot over a long time, and the leaves will turn yellow because they cannot absorb nutrients. Solution: loosen the soil and let the water evaporate quickly; if the roots have been soaked, the plant needs to be removed from the pot, then cut off the rotten roots and replanted with hearty soil.

4. Soil alkali.

Flower friends who know something about Phyllostachys pubescens know that it likes acidic soil. If the soil is alkaline, or if the soil is alkaline caused by long-term watering of mineral water, the plant will grow poorly, resulting in symptoms of leaf yellow.

Solution: very simple, if the soil is caused by alkali, you can replace the basin soil. Remove the plant from the pot, then replace it with humus soil, pastoral soil, tree soil and fine sand in the ratio of 2 to 1, and then replant it.

5. Diseases and insect pests

In addition to the above points, the yellowing of bamboo leaves may also be caused by diseases and insect pests. The common diseases and insects are shell insects and bamboo locusts, which are mainly attached to the surface of the leaves and absorb nutrients in the leaves, so the leaves turn yellow and wither.

Solution: to determine specific diseases and insect pests, a small amount of direct manual removal, a large number of timely spraying liquid, specific drugs, you can refer to the prevention and control of bamboo diseases and insect pests.

Generally speaking, the cultivation method of Phyllostachys pubescens is not difficult, but because many flower friends are novice, it is inevitable to have the symptom of leaf yellow. However, after reading the full text, I believe you have a bottom in your mind, and the Ye Huang problem can be remedied in accordance with the above methods. With regard to the yellowing of Buddha belly bamboo leaves, the editor has introduced this, hoping to bring help to everyone.

How to cultivate potted bamboo? The soil culture method of Fugui bamboo?

There are many kinds of bamboo, and small bamboos with thin stems and narrow leaves are suitable for bonsai production, such as Phyllostachys pubescens, Yinyang bamboo and so on. So how to breed it? Next, let's study together.

Culture methods of potted bamboo

Transplant bamboo, it is appropriate to choose one or two years in spring, the root bamboo with bamboo whip is well developed, the root should be dug with roots, and when transplanting, the root should have persistent soil, the trunk should be short, and the potted plant should stay dry about 50 centimeters. It is best to plant it in a small tile basin first and then plant it in a shallow pot after survival. Humus soil is the best soil for bamboo bonsai. As the growth of potted bamboo is controlled, the small bamboos extracted in spring and autumn are relatively slender and short, so they are very suitable for bamboo bonsai. After planting, it is watered once and cultivated in a shady, moist and ventilated place for one year, and then processed into bamboo bonsai in the second year.

In the production of bamboo bonsai, different sets can be adopted according to different types of bamboo. Small bamboos such as Phyllostachys pubescens can be planted in square or oval pots; medium-sized bamboos such as green bamboos can be planted in rectangular or oval shallow pots. If there is an imbalance on one side of the basin, a beautiful stone with beautiful shape and appropriate proportion to the size of the bamboo plant can be arranged at the other end of the basin, which can not only achieve balance, but also increase the interest of bonsai and appear lively and natural. Large bamboos such as Phyllostachys pubescens, Phyllostachys pubescens and spotted bamboos are used to make bonsai, which should be artificially dwarfed and planted in small and medium-sized shallow pots in order to achieve the effect of "shrinking dragon into inch". Bamboo bonsai should be sparsely planted, not multiplied, scattered and not densely planted. Only three, five, seven branches, high and low orderly, dense, natural layout, planted in a shallow basin, adorned with beautiful stones, slightly covered with moss, plus one or two pottery ancient costumes, stroll in it, very poetic and picturesque, can be called bonsai wonderful products, can make the whole bamboo bonsai show natural bamboo forest scenery. Otherwise, it will be disorganized, like a pile of reeds and weeds, with no interest in bonsai and no ornamental value.

In order to increase the beauty of bamboo bonsai, the roots can be planted when the bamboo goes into the pot. After a stage of bamboo growth and development, part of the root topsoil is removed, so that part of the bamboo roots are exposed on the topsoil, showing the potential of hanging roots and claws, revealing the beauty of bamboo roots, which is very enjoyable to watch.

Place: bamboo bonsai should be placed in a warm, moist, leeward and sunny place. Summer should not be exposed to the sun, it is best to put in the shade, pool edge; winter is not cold-resistant bamboo species (such as small Buddha belly bamboo, small leaf Phoenix tail bamboo, etc.) to move the basin into the indoor warm and cold.

How to water bamboo bonsai: in the management of bamboo bonsai, special attention should be paid to the supply of water, and water should be watered and sprayed frequently during peak growth or high temperature in summer. although bamboo likes to be wet, stagnant water in the basin is avoided, otherwise it is easy to cause rotten whip (root) phenomenon.

How to fertilize bamboo bonsai: although bamboo likes fertilizer, it should be applied as little as possible in potted plants, only applying thin fertilizer. From May to August every year, thin rotten cake fertilizer and water can be applied for 2 or 3 times. If the potted soil is lack of nutrients, it will cause poor growth (such as the leaves are dark and not bright, etc.).

Pruning of bamboo bonsai: bamboo sprouts and grows faster, and attention should be paid to pruning in order to maintain the graceful posture of bamboo bonsai. Overlapping branches, cross branches and branches that affect the appearance of bamboo can be pruned at any time. Branches that grow too long can be cut short. After the bonsai is finalized, the new bamboo shoots can be pulled out in time, so as not to disturb the shape of the bonsai and consume nutrients to affect the growth of the mother bamboo.

Bamboo bonsai should pay attention to turning the basin: bamboo turns the basin every 2 to 3 years, and it is better to turn the basin from April to May. When turning the basin, we should pay attention to protect the whisker root on the whip root and clog it with fertile and loose culture soil. After turning the basin, put it in the shade, keep the basin soil moist, and spray foliar water frequently to prevent the leaves from shrinking.

Prevention and control of diseases and insect pests in bamboo bonsai: there are few diseases and insect pests in bamboo potted plants, such as bamboo borer, shell insects, aphids and so on, which can be sprayed with 800 times liquid of trichlorfon or 1200 times liquid of dichlorvos. Usually as long as a little careful maintenance, so that it always maintain the beautiful landscape and branches and leaves green, elegant, beautiful, a pot of bamboo bonsai can be enjoyed by people for a long time.

Soil Culture methods of Phyllostachys pubescens

First, the growth temperature is the same as that of water culture. The suitable growth temperature of Fugui bamboo is 20mur28 degrees, but once it comes to winter, we should pay special attention to it. The temperature should not be too low, otherwise it is prone to frostbite.

Second, lighting requirements: suitable for semi-shady places, do not be illuminated by strong light, otherwise it is easy to turn yellow and so on.

Third, the basin soil is moist: rich bamboo is more resistant to waterlogging and afraid of drying, so it is necessary to ensure that its basin soil is in a moist state. If it is too dry, it will cause the leaves to turn yellow. Generally speaking, it should be watered every 2-3 days, and the frequency of watering can be reduced in winter.

Fourth, often spray water to the leaf surface, in order to maintain a high environmental humidity, too dry will lead to leaf surface drying.

Fifth, the most suitable planting time for pot planting of rich bamboo is the same as water culture, which is also from April to September, which is the most suitable time for rooting.

Sixth, from May to September in the peak growing season, granular compound fertilizer can be applied to the rich bamboo basin soil 2-3 times a month to keep the leaves luxuriant.

Finally, it is the matters needing attention in the culture of rich bamboo.

First, most of the newly bought rich bamboos are cut from the roots, so just get the water and nutrition, light and environment right.

Second, the rich bamboo needs to go through a difficult process of adaptation, this adaptation process is easy to yellow leaves, in fact, because the rich bamboo has not yet taken root. After the rich bamboo takes root, coupled with careful care, the leaves will gradually turn green. So many friends hurriedly throw away the rich bamboo leaves when they see them turn yellow, which is a pity. What the editor wants to say here is that the leaves of rich bamboo will not turn green until they take root, so please pay more attention when raising water.

The Culture method of Phyllostachys pubescens

Phoenix tail bamboo likes the sunny environment, can withstand shade, not very cold-resistant! In order to enable you to cultivate Phyllostachys pubescens better, next, we will share with you the key points of culture of Phyllostachys pubescens. I hope it will be helpful to you!

Culture conditions of Phyllostachys pubescens

1. Soil selection

The pot soil of Phyllostachys pubescens is more suitable to be made of fertile and loose, humus-rich rotten leaf soil, mature pastoral soil on the surface of vegetable land, mixed with appropriate amount of sandy soil. The coarse sand of the basin bottom cushion and the application of rotten cake scraps as the base fertilizer and good water permeability are beneficial to the development of whip root and the growth of branches and leaves.

two。 Fertilizer application

Phyllostachys pubescens also needs fertilization, especially a large number of cultivation in the courtyard, to apply a good base fertilizer, cultivation, you can use barnyard manure, bone powder, soil fertilizer, pond mud mixture, fill the bottom of the basin or choke in autumn and winter. This not only increases the effective fertility and soil temperature of the soil, but also is very good for new bamboo shoots. Phoenix tail bamboo bonsai, in the growing season can be used urea, potassium dihydrogen phosphate and other quick-acting fertilizers, prepared into 0.3% of the nutrient solution, applied in the basin, for its growth needs, the best effect. Phyllostachys pubescens is not resistant to drought and waterlogging, so it is necessary to control moisture in the process of watering. In the growing period of Phyllostachys pubescens, the right amount of watering can be done, as long as the basin soil is kept in a moist state. When it is dry in summer, the leaves should often be sprayed with water to maintain the state of the leaves. During the growing period, we should also pay attention to supplement fertilizer, about 20 days to apply fertilizer once, fertilizer is mainly organic fertilizer. There is no need to apply fertilizer in winter. Organic fertilizer is applied once a season, and compound fertilizer can be applied thinly once a month in the peak growing season to make the leaves green. During the growing period, we should also pay attention to loose soil. Apply thin and rotten cake fertilizer and water several times. It is necessary to apply wind chemical fertilizer or miscellaneous fertilizer in early winter to improve soil structure and facilitate the growth and development of bamboo whip.

3. Watering

Phyllostachys pubescens should be watered properly during the growing period, keep the basin soil moist, water should be watered half-dry, not stagnant water, spray water on branches and leaves in summer, reduce water in winter, water once every 4-5 days, and keep it in a sunny place. Water is an important factor for the vigorous growth of Phyllostachys pubescens. The nutrients applied to the soil must be dissolved in water before they can be absorbed by Phyllostachys pubescens. Therefore, water is needed in the four seasons of the year; in spring, the branches and leaves of potted Phyllostachys pubescens begin to sprout, and to ensure the need for water, they can be watered every 2 days; in summer, they are watered in the morning and evening. In autumn and winter, you can reduce the watering times and dosage as appropriate, water once before winter, and keep the basin soil moist after that. Potted Phoenix tail bamboo, the principle of watering must be thoroughly, can not be watered "waist cut off water", otherwise affect the growth.

After potted plants, pay attention to shade and keep the basin soil moist, and often spray foliar water to prevent bamboo leaves from being rolled up because of dryness. But it should not be too wet and rot the roots. In the period of prosperous growth and high temperature in summer, in addition to watering in the morning and evening, foliar water should be sprayed several times. At the same time, it is necessary to build a shed for shade to prevent strong light exposure.

4. Light and temperature requirements

Phyllostachys pubescens likes to be warm and humid, leeward and sunny. The sun can be placed in spring and late autumn, and the sun is strong in early autumn in summer. Phyllostachys pubescens should be placed in the shade or in the place where the sun can be seen in the morning and evening, and it is better to put it next to the pool and ditch. To enter the house for the winter, the room temperature is about 8 ℃. When it is cold in winter, you should move indoors to overwinter, and the indoor temperature should not be lower than 5 ℃. Phyllostachys pubescens likes sunlight, but it can not be exposed for a long time, especially when it is hot in summer, long-term exposure to light will lead to yellowing of plant leaves. Therefore, there should be sunshade measures in summer. In spring and autumn, the temperature is suitable, just put it in the window with ventilation facing south, and receive a period of light a day to make it grow healthily. In winter, give it plenty of sunlight, but once the temperature drops below 0 degrees Celsius, move it indoors to ensure its temperature.

5. Pest control

The common diseases are rust and leaf blight. Rust can be sprayed with 500,600 times of 80% Dysen zinc wettable powder, and leaf blight can be sprayed with 1000 times of 70% methyl topiramate wettable powder. In addition, aphids and golden needles are harmful. Aphids can be sprayed with 1500 times of 80% dichlorvos emulsion or 1000 times of malathion. Golden needles can use 1000 times of 5% parathion to irrigate roots in early spring to kill adults or larvae.

Propagation methods of Phyllostachys pubescens

Phyllostachys pubescens can be propagated by ramet, cutting and sowing. Because the seeds are not easy to obtain and the cuttings are difficult to take root, ramet is the main method of propagation.

The main results are as follows: (1) split propagation for 2 ~ 3 months, 1 ~ 2-year-old healthy mother bamboo was selected, and the mother bamboo together with underground stem soil was dug out, and the bamboo clump was separated. 3-5 trees were divided into a clump and planted with soil.

During cultivation, fill part of the vegetable garden soil in the pit, fill it with clear water, stir it hard, make it into mud, then insert the sliced bamboo seedlings into the mud, then fill the soil firmly, and draw a picture of medium-low and high soil around the bamboo plants. it is convenient for future water management, high survival rate and rapid development, which is the main method of breeding Phyllostachys pubescens at present.

(2) Cuttage propagation is carried out in combination with pruning during the growing period from April to September every year. Select the top tips with buds and leaves in the branches cut during pruning, keep 10~15cm as cuttings, insert them into the sand bed, reach the depth of 1pm, 3cm, 1x2, pour through water, and set up arch shed for heat preservation and moisturization. The time for cuttings to take root varies from season to season, generally ranging from 30 to 60 days. In the rainy season, it takes about 30 days to survive, and it often takes 50 to 60 days in September in autumn. After the cuttings are sprouted with new leaves and confirmed to have survived, they can be transplanted.

Methods of pruning and turning pots of Phyllostachys pubescens

Bonsai pruning of Phyllostachys pubescens is relatively simple, cross branches can be cut off at any time, and the newly germinated shoots can be decided according to the needs of modeling. When a pot of Phyllostachys pubescens is dense and tall, it can be used for ramet propagation. The best time to turn the basin is May. In general, the bonsai of Phyllostachys pubescens turns the basin once every two years, and the root system of Phyllostachys pubescens is not as strong as that of Phyllostachys pubescens. Remove 1 / 2 old potted soil, properly trim the roots and branches, and add new well-drained culture soil. When turning the basin, the shape style can be changed. According to the conceptual composition, several groups of bamboos are placed on the left and right sides of the irregular white marble basin, and a Yanshan stone with a certain beauty and height is placed in the middle. Don't have some fun.

What if the leaves of Phyllostachys pubescens turn yellow?

Phyllostachys pubescens, as a commonly used landscape plant at home, will produce signs of yellowing leaves due to different reasons in the process of culture. The yellowing of Phyllostachys pubescens leaves is a common phenomenon. To deal with this situation, we should first consider the root cause of its yellowing, and then make corresponding measures. If it is due to long-term sunlight exposure will cause the loss of moisture in the leaves and yellowing, in this case only need to move it to a cool place. In addition, Phyllostachys pubescens in the culture process if the lack of nutrients, the lack of fertilizer will also lead to yellow leaves, so it is necessary to replenish water and fertilizer in time. Lack of fertilizer will cause yellowing, too much fertilizer, too much fertilizer, the leaves lack of luster or even turn yellow, it is necessary to dilute the fertilizer with water. If the color of the leaves is water yellow, the small size of the young leaves means that the soil is too hydrated, then loosen the soil, and then blow dry. If the leaf yellowed at the edge and tip, but also yellowed dry, serious will also fall off, indicating that it is really caused by moisture, the need for timely replenishment of water. If Phyllostachys pubescens is placed in a dark environment for a long time, the lack of light will also lead to the lack of chlorophyll and yellowing of the leaves, so it should be often transplanted to a cool and sunny place.

The difference between Phoenix-tailed bamboo and loose-tailed sunflower

The main results are as follows: (1) Phyllostachys pubescens is a woody plant, and the main stem grows densely, but the hollow stem can reach 3m when the main culm is the tallest. Most of the leaves of Phyllostachys pubescens are small, some even needle-shaped, and softly drooping, just like the Phoenix tail.

(2) loose-tailed sunflower belongs to shrub, which is higher than Phyllostachys pubescens, up to 7 or 8 meters at its highest. The main feature is that the stem is relatively smooth and golden, and the leaves of sunflower are slender and annular, which can reach 150cm for a long time, and the leaves show bright green.

Matters needing attention in Phyllostachys pubescens culture

(1) Phyllostachys pubescens grows in clusters, and the ground is planted like fallen leaves in winter and new leaves grow after spring, which is a reflection of fear of cold; in warm places, it is evergreen all the year round. Spring, summer and autumn are its growing season, with bamboo shoots growing from the rhizome for many times, full of vitality and quite interesting. In the process of metabolism, the old stalk gradually withered and can be cut off at any time to maintain a graceful posture.

(2) the potted plant of Phyllostachys pubescens is changed every 2 or 3 years. If the plant is crowded, it should be planted separately, and the stem is too elongated or too tight, so it should be pruned properly to facilitate ventilation and beauty.

(3) Phyllostachys pubescens is an evergreen tufted shrub. Like warm, humid and semi-overcast environment. Cold resistance is slightly poor, not resistant to strong light exposure, afraid of waterlogging, suitable for fertile, loose and well-drained loam. The temperature in winter is not lower than 0 degrees.

(4) like light, bear shade slightly, like warm and humid climate. Like damp and warm, but also like semi-ventilated and semi-overcast. You should move to a sunny place indoors in winter. Phoenix-tailed bamboo likes the sunny and cool place, there is a saying that "Xiangyang is luxuriant, it is appropriate to grow high platform", but it can also be shade-resistant and can be used as an ideal decoration for indoor leaf appreciation. Spring, summer and autumn only need to be placed in the ventilated place of the window and placed in the sunny place in winter to grow well. Phyllostachys pubescens planted in the ground will grow new leaves after spring (this is a reflection of fear of the cold). In warm areas, it will be evergreen all the year round.

(5) Phyllostachys pubescens prefers acidic, slightly acidic or neutral soil, which is suitable for pH4.5 to 7.0. avoid heavy and alkaline soil. The soil in the north is alkaline, and 0.2% ferrous sulfate can be added. The best soil is loose and fertile sandy loam with good drainage, and farmland soil can be mixed with red-yellow soil, humus soil and fine sand. If Phyllostachys pubescens is planted in common basin soil, the survival rate is low, vermiculite or peat mixed with perlite can be used as matrix, and the survival rate is higher. In order to maintain the graceful posture of the soil is not high, generally loose sandy soil is fine.