What if the leaves of white orchids turn yellow? If you do these things well, you can avoid them.
White orchids are very good ornamental tree species, tree upright, green leaves and texture, white and elegant colors, fragrant fragrance, white orchids also have a long flowering period, long viewing time, so they are widely used in urban gardens and courtyard greening and beautification, indoor decoration with small and medium-sized potted plants, very graceful. White orchid breeding method is more difficult than other plants, daily maintenance needs us to pay more attention, otherwise there will be some problems that we are very worried about, such as yellow leaves, I believe many flower friends will encounter, what is the cause? What are we gonna do about it? Let's take a look.
White Orchid Leaf Yellowing Causes and Solutions
1. Improper watering
White orchid watering should be appropriate, neither excessive nor too little, too much easy to lead to pot water rotten roots, too little will make the soil hardened and affect the normal growth of roots, once the root system problems, the water and nutrient supply of leaves will also be greatly affected, leaves will appear yellow phenomenon.
Solution:
Watering is based on the principle of "no watering", but it should be adjusted in due course according to the climate and growth environment, usually keeping the pot soil at a suitable humidity.
2, the temperature is too high
Environmental temperature is too high will promote white orchid leaves transpiration intensified, at this time if the pot soil moisture is insufficient, the environment is not ventilated, it will lead to water shortage yellow leaves.
Solution:
To avoid excessive temperature difference, it is appropriate to maintain an even temperature of 5-10℃. When the temperature rises, special attention should be paid to ventilation of the breeding environment and humidification of dry air.
3. Too little light
White orchids like to grow in an environment with sufficient light. If they are in a relatively shady environment for a long time, photosynthesis will be greatly affected. In light of this, the plants will grow excessively, and in heavy cases, the leaves will turn yellow and die.
Solution:
To ensure sufficient light, white orchids need to be placed in the courtyard or home balcony, windowsill and other places where light can be seen for a long time, but in summer, attention should be paid to avoid direct sunlight, which will also adversely affect the plants.
4. Yellow disease
Chlorosis can easily cause yellowing and shedding of leaves, and in severe cases, the whole plant will die.
Solution:
Should choose slightly acidic soil, alkaline inorganic fertilizer should be applied in small quantities, when the disease occurs to spray ferrous sulfate (0.2%) on the leaves, the frequency is once a week, continuous spray 3-4 times can be, or spray alum fertilizer once a week, continuous spray 3-4 times can alleviate the disease.
5. Root rot
Root rot damage is also more serious, will make the root system black rot, from bottom to top affect the leaves eventually withered fall off.
Solution:
This disease usually occurs because of excess water, watering should be done "not dry, not irrigated", and keep the soil loose, enhance its drainage. When there is a lot of rainfall during the plum rain period, timely rain protection measures should be taken for the plants; more broken tiles can be added to the basin bottom to speed up the flow speed and promote drainage.
White orchid leaves yellowing as long as the correct reason is relatively easy to deal with, the above on the white orchid leaves yellowing reasons and solutions hope to help everyone, more white orchid related content, please pay attention to the four seasons plant network.
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