Crab claw orchid is an indoor ornamental plant with unique leaf morphology and beautiful flowers. When the leaves of the crab claw orchid appear red, many gardening enthusiasts are confused. In fact, redness of crab claw leaves can be caused by a variety of factors, and the reasons that may cause redness of crab claw leaves and the corresponding treatment measures will be detailed below.
1.The sunlight is uneven.
Cause: Excessive direct exposure to strong light or sunlight causes the leaves to turn red. Crab claw orchid has less need for sunlight, and if exposed to too strong sunlight, the leaves are prone to sunburn, which appears red or purplish-red.
Solution: Move the plant to avoid direct sunlight, choose a soft environment to place the crab claw orchid, or use a shade net and other tools for shade.
2.The temperature is too high or too low.
Reason: High or low temperature environment will affect the leaves of crab claw orchid. At high temperatures, the leaves will undergo a physiological reaction and turn red; Low temperatures may cause frost damage and erythema on leaves.
Treatment: Maintain a suitable temperature, the suitable growth temperature of crab claw orchid is between 15-25 degrees Celsius, and avoid exposure to extreme temperatures.
3.Pest and disease infections.
Causes: The redness of the leaves may also be due to pests and diseases, such as insect infestation such as spider mites, aphids or fungal infections.
Treatment method: Regularly inspect the leaf surface and leaf back, if pests are found, special insecticides can be used for insect control; In the case of fungal infection, fungal fungicides can be used**.
4.Malnutrition.
Causes: Unbalanced nutrition or lack of certain nutrients can also cause red leaves of crab claw orchids. For example, the deficiency of trace elements such as iron, magnesium and zinc will cause the leaves to turn red.
Treatment method: Reasonable fertilization, regularly add an appropriate amount of comprehensive fertilizer to crab claw orchid, and pay attention to supplementing the missing trace elements.
5.Growing environmental problems.
Reason: If the crab claw orchid is in a too dry environment, the leaves are also prone to redness. Dry air can affect the normal growth of plants.
Treatment: Increase air humidity, you can use humidifiers, sprayers, etc. to increase air humidity to create a suitable growth environment.
In summary, the redness of crab claw leaves may involve a variety of factors, including light, temperature, pests and diseases, nutrition, growth environment, etc. Therefore, when dealing with the occurrence of leaf redness, it is necessary to comprehensively consider the above factors and take corresponding measures according to the specific situation.