Why the leaves of Orchidaceae plants turn yellow

Orchidaceae-- Cymbidium

Orchidaceae is an indoor plant that many flower friends like to plant, because the ornamental value of orchids is very high, the flowers are white and elegant, and the branches are elegant and green. Putting them indoors can add more vitality to the home and beautify the environment. No matter from the appreciation value of orchids or from her function of purifying air, it is also a good choice for home potted plants.

Orchid leaves yellowing, in order to solve this problem, we need to find the causes of orchid leaves yellowing, can not be solved blindly, because the maintenance environment of orchid friends are different, so this paper analyzes and summarizes some common reasons for orchid leaves yellowing.

The reason why the leaves of orchids become dry ‍

1, the basin is too dry or the air humidity is too small, the basin surface is too dry, this kind of situation generally the orchid leaf shrinks the head cannot show immediately, the first reflection is the orchid leaf presents the dehydration shape, after waiting for the watering recovery, it is easy to walk the grass from the old seedling, the orchid leaf starts from above to down the yellow leaf, if the basin water injury, the orchid leaf turns yellow, is from the bottom to up the yellow leaf, the grass walking time is slow.

2. Langen fungus damage or Langen crystal head affected by water stain should be the same, water stain is a process, crystal head rot is the result, leaf tip coke head is a surface phenomenon. Such a coke tip, as Fei Xiang said, the leaf tip is black, after the treatment in the basin, the general coke head is no longer extended.

3. The focal point is caused by fertilizer damage, and the focal tip is brown or black. The boundary with the non-fat damage orchid leaf is very obvious, and the normal tissue of the orchid leaf is also prone to fat spots, such irregular round spots, the center of the spot is brown, and the place where it comes into contact with the normal tissue is a circle of black spots with uneven thickness, and the boundary is also very obvious.

4. Many of the bacteria damage caused by the orchid strain are shown from the coke tip phenomenon. For example, the blight tip is white-brown, the junction with the normal blue leaf tissue is dark brown, the white brown is the dead dry withered area, the black brown is the fungus outbreak area; the leaf blight, the leaf tip light brown is the dead dry withered area, the dark brown is the fungus damage outbreak area, and most of the contact areas with normal blue leaf tissue are yellowish green, this yellow-green area is the infection area of normal orchid leaf tissue, which is different from the blight tip disease. Anthracnose is also easy to show the focal tip, the leaf tip shows a dark brown, a light brown, alternately to the lower part of the blue leaf, and independent or connected dark-brown patches appear in the leaves, and the periphery of the plaque is yellowish.

Solution: when orchids suffer from frost injury or late frost, it is also easy to form leaf tip drying or discoloration. Therefore, in areas where the winter temperature is below 0 ℃, orchids should be moved to indoor ventilation and sunny places for maintenance before winter. When you move outside in spring, you should pay attention to avoid the harm of late frost. Traditional spring is not windy, summer is not day, autumn is not dry, winter is not wet to prevent orchid leaves from drying up.

For the orchid leaves that have been withered at the tip, if the situation is not too serious, the method of manual cutting can be used, with scissors, preferably by alcohol disinfection. Cut off about 10 mm below the dry part, so that you can still keep the basin full of green. It would be better if you spray fungicide after pruning.

Notes on yellowing of orchid leaves

Wound to prevent bacteria: when changing pots or ramets, there is a wound in the root, you should first smear the wound with fungicide to prevent the invasion of germs.

Pots should not be too large: small plants grow in large pots, the amount of plant material is large, it is easy to lead to poor ventilation, watering is not easy to control. If watering absorbs too much water, the plant material is not easy to dry, and bacteria invade and cause rotten roots.

Orchids should be planted shallowly: do not plant orchids too deep, otherwise long-term moisture will rot. When planting, filling the root, base, or pseudobulb must be exposed.

The roots should be unfolded: when planting orchids, the roots should be evenly expanded and should not be squeezed together, so that each root can touch the plant material and ventilation is good.

No watering for several days: newly planted orchids, the roots may be injured, the wound coated with fungicide, 3-5 days without watering, in order to achieve efficacy, but also promote the growth of new buds and roots.

Avoid strong light: new orchids must avoid direct sunlight to prevent dehydration, should be placed in a warm and shady place, and spray can be used to increase the humidity in the air until the orchids return to normal growth.

Why the leaves of Orchidaceae plants turn yellow

Orchidaceae plant-- Magnolia (picture from the Internet)

China Garden Network, October 27: orchids are indoor plants that many flower lovers like to plant, because orchids have high ornamental value, with white and elegant flowers and elegant green branches. putting them indoors can add more vitality to the home and beautify the environment. No matter from the appreciation value of orchids or from her function of purifying air, it is also a good choice for home potted plants.

Orchid leaves yellowing, in order to solve this problem, we need to find the causes of orchid leaves yellowing, can not be solved blindly, because the maintenance environment of orchid friends are different, so this paper analyzes and summarizes some common reasons for orchid leaves yellowing.

The reason why the leaves of orchids become dry ‍

1, the basin is too dry or the air humidity is too small, the basin surface is too dry, this kind of situation generally the orchid leaf shrinks the head cannot show immediately, the first reflection is the orchid leaf presents the dehydration shape, after waiting for the watering recovery, it is easy to walk the grass from the old seedling, the orchid leaf starts from above to down the yellow leaf, if the basin water injury, the orchid leaf turns yellow, is from the bottom to up the yellow leaf, the grass walking time is slow.

2. Langen fungus damage or Langen crystal head affected by water stain should be the same, water stain is a process, crystal head rot is the result, leaf tip coke head is a surface phenomenon. Such a coke tip, as Fei Xiang said, the leaf tip is black, after the treatment in the basin, the general coke head is no longer extended.

3. The focal point is caused by fertilizer damage, and the focal tip is brown or black. The boundary with the non-fat damage orchid leaf is very obvious, and the normal tissue of the orchid leaf is also prone to fat spots, such irregular round spots, the center of the spot is brown, and the place where it comes into contact with the normal tissue is a circle of black spots with uneven thickness, and the boundary is also very obvious.

4. Many of the bacteria damage caused by the orchid strain are shown from the coke tip phenomenon. For example, the blight tip is white-brown, the junction with the normal blue leaf tissue is dark brown, the white brown is the dead dry withered area, the black brown is the fungus outbreak area; the leaf blight, the leaf tip light brown is the dead dry withered area, the dark brown is the fungus damage outbreak area, and most of the contact areas with normal blue leaf tissue are yellowish green, this yellow-green area is the infection area of normal orchid leaf tissue, which is different from the blight tip disease. Anthracnose is also easy to show the focal tip, the leaf tip shows a dark brown, a light brown, alternately to the lower part of the blue leaf, and independent or connected dark-brown patches appear in the leaves, and the periphery of the plaque is yellowish.

Solution: when orchids suffer from frost injury or late frost, it is also easy to form leaf tip drying or discoloration. Therefore, in areas where the winter temperature is below 0 ℃, orchids should be moved to indoor ventilation and sunny places for maintenance before winter. When you move outside in spring, you should pay attention to avoid the harm of late frost. Traditional spring is not windy, summer is not day, autumn is not dry, winter is not wet to prevent orchid leaves from drying up.

For the orchid leaves that have been withered at the tip, if the situation is not too serious, the method of manual cutting can be used, with scissors, preferably by alcohol disinfection. Cut off about 10 mm below the dry part, so that you can still keep the basin full of green. It would be better if you spray fungicide after pruning.

Notes on yellowing of orchid leaves

Wound to prevent bacteria: when changing pots or ramets, there is a wound in the root, you should first smear the wound with fungicide to prevent the invasion of germs.

Pots should not be too large: small plants grow in large pots, the amount of plant material is large, it is easy to lead to poor ventilation, watering is not easy to control. If watering absorbs too much water, the plant material is not easy to dry, and bacteria invade and cause rotten roots.

Orchids should be planted shallowly: do not plant orchids too deep, otherwise long-term moisture will rot. When planting, filling the root, base, or pseudobulb must be exposed.

The roots should be unfolded: when planting orchids, the roots should be evenly expanded and should not be squeezed together, so that each root can touch the plant material and ventilation is good.

No watering for several days: newly planted orchids, the roots may be injured, the wound coated with fungicide, 3-5 days without watering, in order to achieve efficacy, but also promote the growth of new buds and roots.

Avoid strong light: new orchids must avoid direct sunlight to prevent dehydration, should be placed in a warm and shady place, and spray can be used to increase the humidity in the air until the orchids return to normal growth.

Why the leaves of Orchidaceae plants why Orchidaceae plants are indoor plants that many flower friends like to choose to plant, because orchids have high ornamental value, white and elegant flowers, elegant green branches, and putting them indoors can add more vitality to the home and beautify the environment. No matter from the appreciation value of orchids or from her function of purifying air, it is also a good choice for home potted plants. Orchid leaves yellowing, in order to solve this problem, we need to find the causes of orchid leaves yellowing, can not be solved blindly, because the maintenance environment of orchid friends are different, so this paper analyzes and summarizes some common reasons for orchid leaves yellowing. The reason that the orchid leaf becomes dry 1, the basin is too dry or the air humidity is too small, the basin surface is too dry, this kind of situation generally the orchid leaf shrinks the head not to show immediately, the first reflection is that the orchid leaf presents the dehydration shape, after waiting for watering to recover, it is easy to walk the grass from the old seedling, the orchid leaf starts to go down the yellow leaf from above, if the water injury in the basin, the orchid leaf turns yellow, it is from the bottom to up the yellow leaf, walking grass time is slow. 2. Langen fungus damage or Langen crystal head affected by water stain should be the same, water stain is a process, crystal head rot is the result, leaf tip coke head is a surface phenomenon. Such a coke tip, as Fei Xiang said, the leaf tip is black, after the treatment in the basin, the general coke head is no longer extended. 3. The focal point is caused by fertilizer damage, and the focal tip is brown or black. The boundary with the non-fat damage orchid leaf is very obvious, and the normal tissue of the orchid leaf is also prone to fat spots, such irregular round spots, the center of the spot is brown, and the place where it comes into contact with the normal tissue is a circle of black spots with uneven thickness, and the boundary is also very obvious. 4. Many of the bacteria damage caused by the orchid strain are shown from the coke tip phenomenon. For example, the blight tip is white-brown, the junction with the normal blue leaf tissue is dark brown, the white brown is the dead dry withered area, the black brown is the fungus outbreak area; the leaf blight, the leaf tip light brown is the dead dry withered area, the dark brown is the fungus damage outbreak area, and most of the contact areas with normal blue leaf tissue are yellowish green, this yellow-green area is the infection area of normal orchid leaf tissue, which is different from the blight tip disease. Anthracnose is also easy to show the focal tip, the leaf tip shows a dark brown, a light brown, alternately to the lower part of the blue leaf, and independent or connected dark-brown patches appear in the leaves, and the periphery of the plaque is yellowish. Solution: when orchids suffer from frost injury or late frost, it is also easy to form leaf tip drying or discoloration. Therefore, in areas where the winter temperature is below 0 ℃, orchids should be moved to indoor ventilation and sunny places for maintenance before winter. When you move outside in spring, you should pay attention to avoid the harm of late frost. Traditional spring is not windy, summer is not day, autumn is not dry, winter is not wet to prevent orchid leaves from drying up. For the orchid leaves that have been withered at the tip, if the situation is not too serious, the method of manual cutting can be used, with scissors, preferably by alcohol disinfection. Cut off about 10 mm below the dry part, so that you can still keep the basin full of green. It would be better if you spray fungicide after pruning. Notes for yellowing of orchid leaves when the wound is protected from bacteria changing pots or ramets, when there is a wound in the root, you should first smear the wound with a fungicide to prevent the invasion of germs. The pot should not be too large and small, and the amount of plant material is too large, which can easily lead to poor ventilation and watering is not easy to control. If watering absorbs too much water, the plant material is not easy to dry, and bacteria invade and cause rotten roots. Orchids should be planted shallowly and orchid plants should not be too deep, otherwise long-term moisture will rot. When planting, filling the root, base, or pseudobulb must be exposed. When planting orchids, the roots should be spread evenly and should not be squeezed together, so that each root can touch the plant material and ventilation is good. If the newly planted orchids are not watered for several days, the roots may be injured, and the wound is coated with fungicides and left unwatered for 3-5 days in order to achieve efficacy and promote the growth of new buds and roots. To avoid strong light, newly planted orchids must avoid direct sunlight to prevent dehydration. They should be placed in a warm and shady place and spray can be used to increase the humidity in the air until the orchids return to normal growth. The above is the introduction of the withered and yellow leaves of Orchidaceae. I hope you can get some harvest!