Causes and treatments of yellowing leaves of Ligustrum lucidum

Causes and treatments of yellowing leaves of Ligustrum lucidum

1. Unsuitable soil

1. Reason: If the soil used is alkaline or the soil is not breathable, the soil may become compacted. The iron in the soil will become insoluble iron, causing the roots to breathe poorly and be unable to absorb iron, resulting in yellow leaves or yellow leaves due to iron deficiency.

2. Treatment method: If it is only slightly yellowing, you can loosen the soil appropriately and add some white vinegar to alleviate the alkaline environment and reduce the degree of soil compaction. If the yellow leaf problem is very serious, it is necessary to change the soil and use fertile and loose culture soil for planting again.

2. Improper fertilization

1. Reason: When applying fertilizer, if there is too much fertilizer or the fertilizer is not decomposed, it may burn its roots and cause the roots to rot. This will cause partial damage to the root system, inability to absorb nutrients and cause the leaves to turn yellow.

2. Treatment method: If the yellowing of leaves is mild, you can empty the lower part and water more to allow the fertilizer to be lost. You can do this several times until you feel better. If the situation is serious, cut off the leaves that are severely yellow and dry, and change the soil. During the soil replacement process, check and cut off rotten roots, and re-configure suitable soil for planting.

3. Too little light

1. Reason: Too little light exposure will make the leaves unable to carry out photosynthesis, resulting in insufficient chlorophyll production, causing the leaves to turn yellow. If the bottom and inside are yellow, it may be that the upper branches and leaves are too dense and block the sunlight, making the lower part and inside unable to receive hanging light.

2. Treatment method: It is best to give it long-term light exposure, and place it in a balcony or other place indoors to receive light. If yellow leaves appear at the bottom or inside, trim the dense leaves in time to ensure light and ventilation inside.

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