Several reasons for the yellowing of the leaves of rich orchids _ family flower cultivation

1, the leaf color is yellowing: the growth is normal, the light is too strong.

2. The leaves turn yellow and the new buds are smaller: excessive light, lack of nitrogen fertilizer and necessary humidity.

3. Yellowing and shedding of old leaves: normal aging, normal seedling withdrawal or basin turning

4. Old leaves yellowing and falling off quickly: too much watering, too often, improper pot turning and planting.

5, the new leaf tip scorched: excessive fertilization, planting materials and water quality are not clean.

6. The focal tips of new leaves and old plants are black: excessive dampness and heat in the basin, and there are rotten roots in the roots.

7. After the new bud is unearthed, it stops growing: there are rotten roots or unclean things next to the new bud, the old plant is underfed or the new bud crystal root is damaged by fertilizer, open the plant material around the new bud, remove the unclean material and use fine plant material to bring it back to growth:

8, there are scorched spots on the leaves, and there is no yellow on the periphery: scorching spots in the hot sun.

9, there is a dipping head at the end of the leaf: the water temperature of watering is too high, the temperature is too high when watering, and showers are caught in high temperature in summer.

10. If the new leaves turn yellow: there may be something wrong with the roots or poor ventilation in the environment.