What if the leaves of the sweet-scented osmanthus tree are dry?

Sweet-scented osmanthus is one of the top ten traditional flowers in China, and it is also a common flower in landscaping. It is originated in China. It is evergreen and elegant in the four seasons. It has been an important spice since ancient times, and there are also many literati ink writing objects. In the process of planting sweet-scented osmanthus trees, the leaves of sweet-scented osmanthus trees are often dry because of maintenance problems. Let's take a look at how the leaves of sweet-scented osmanthus trees dry up.

Too much watering

[reason] Osmanthus fragrans were overwatered, and the basin soil was wet for a long time, resulting in a lack of oxygen in the soil, resulting in the decay of some fibrous roots, thus weakening the ability of absorbing water and fertilizer, causing tender leaves to turn yellowish, and flowers and leaves gradually becoming dark yellow and scorched one after another.

[methods] watering should be controlled immediately, fertilization should be stopped, and the soil should be often loosened to make the basin soil well ventilated. When the disease is serious, it is necessary to remove the whole land from the basin and put it in the dry mound to make the water seep out quickly, and then plant it back into the basin after the drooping branches and leaves recover.

Too little watering

[reason] Osmanthus fragrans were watered too little or half-watered or missed for a long time, which made the evaporation of water in the leaves greater than the absorption, resulting in a shortage of water supply, yellowing of leaves, scorch of leaf tips, and drooping petiole in serious cases.

[method] it is necessary to move the flowerpot to a cool place immediately, spray some water on the leaves and pour a small amount of water, and then gradually increase the amount of water as the stems and leaves gradually recover. If too much water is poured suddenly at this time, the cytoplasmic wall may be separated, the protoplast will be damaged, and the flowers will die.

Excessive fertilization

[reason] when sweet-scented osmanthus is fertilized too much, especially when there is too much nitrogen fertilizer and lack of phosphorus and potassium fertilizer, it is easy to cause the leaves to turn yellow, showing that the new leaves are thick, most of the leaves are uneven, the old leaves gradually turn yellow and fall off, and when the leaf tip is serious, the leaf tip dries up, even the whole leaf is scorched yellow.

[methods] We should stop fertilizing, increase the amount of water, let the fertilizer flow out of the drainage hole, or pour the basin immediately, remove part of the old soil, wash the soil block with water, replace part of the new culture soil, and then plant the plant back into the basin.

Insufficient fertilization

[reason] insufficient fertilization of sweet-scented osmanthus, especially without applying nitrogen fertilizer or changing soil for a long time, and lack of nitrogen nutrition in the soil, resulting in thin and yellow leaves, thin and yellow leaves and scorched leaf tips.

[methods] it is necessary to pour the pot in time, remove the plant, replace it with a larger pot, put it into a new loose and fertile soil, and replant it. After watering through, slow down the seedlings in half-light, and apply thin liquid fertilizer or compound fertilizer after its growth is restored.

Soil over-alkali

[reason] Osmanthus fragrans likes acidic soil, because the soil in most areas of the north contains more saline and alkali, it will gradually lose green and turn yellow due to the lack of soluble iron elements that can be absorbed by flowers after a period of culture.

[methods] 0.2% ferrous sulfate solution and 0.1% potassium dihydrogen phosphate solution can be poured at intervals to cure the "alkali yellow". At the same time, potassium dihydrogen phosphate also contains phosphorus and potassium elements, which is conducive to flower bud differentiation and improve flower quality.