What if the leaves of orchids turn yellow?

An orchid friend asked the orchid leaf yellowing how to do, to solve this problem, we need to find the reason of orchid leaf yellowing, can not be solved blindly, because the maintenance environment of orchid friends is different, so this paper analyzes and summarizes some common causes of orchid leaf yellowing.

The main results are as follows: 1. Due to the sudden change of the conservation environment of orchids, the leaves do not absorb water well, resulting in the phenomenon of yellow leaves.

2. Potted orchids bought directly are newly potted by merchants, and orchids do not adapt to the soil, which temporarily affects nutrient absorption and leads to yellow leaves.

3. Water yellow, that is, too much water causes the soil to accumulate water for a long time, poor air permeability and even some fibrous roots rot, showing that the tender leaves are dark yellow and dull, and the new shoots shrink.

4. Fat yellow, that is, fat, showing that the tip of the old leaf turns yellow and falls off, and the new leaf is thick and shiny, but it is generally concave and convex. If it is a precious flower, you can sprinkle a layer of pakchoi or radish seeds and pull it out a few days after emergence to consume nutrients.

5. Dry yellow, due to lack of water or dehydration for a long time, although the new leaf color is normal, but the lower leaves gradually dry yellow shedding aging.

6. Alkali yellow, especially some flowers in the south like acidic soil, while the alkaline water quality in the north shows that the leaves gradually fade, turn yellow or even fall off.

7. If the leaves of orchids turn yellow and grow normally, it may be caused by excessive light.

8. The leaves of orchids turn yellow and the new buds are small, which is due to excessive light, lack of nitrogen fertilizer and necessary humidity.

9. Yellowing and shedding of old leaves, which is caused by normal aging or turning over the basin.

10. the old leaves yellowed and fell off quickly, watered too often, and planted improperly.

11. In addition, flower friends can check whether the rotten roots of orchids are rotten or whether the plants are not clean. If the rotten roots are disinfected as soon as possible, they can be maintained in dry ventilation.