What if the latest Milan flowers lose their leaves?

Milan likes an environment that is ventilated, moist, warm and sunny. Milan, which is listed in spring, is mostly shipped from the south to the north, and the climate between the two places is very different, which poses a great threat to Milan's survival, especially in early spring, even if the varieties cultivated in place are not managed properly and leave the room too early. it will also lead to a large number of fallen leaves or even death, not to mention foreign varieties.

Why do Milan flowers lose their leaves?

1. Milan flowers are afraid of wind chill. once they are cold, their leaves will suddenly fall off in a short period of time, and fallen leaves will often appear if they are cold in the process of indoor maintenance. So we must guard against the wind and the cold in spring.

2. Under the condition of low room temperature and lack of light for a long time, Milan flowers are overwatered, resulting in damage to their roots and leaves, resulting in the shedding of green leaves. For deciduous Milan, we should immediately stop watering, spraying and topdressing, and adopt the methods of "loosening soil and dispersing moisture" and "changing soil and absorbing moisture". And put it in the warm sun, wait for the basin soil to dry and loosen, then water it, and gradually wet it until it slowly recovers.

3. Milan flowers are prone to a large number of defoliation through the winter. from the signs, the leaf black and brown wilting is a symbol of freezing, which should be warmed up or moved to a warmer place in time to make a gradual recovery. The withered and yellow leaves are caused by poor ventilation or too dry soil. The shedding of green leaves is caused by the soil being too wet. In winter, the physiological activity in Milan is weak, so avoid low temperature, high humidity or dry air. Continuous low temperature below 5 ℃, aisle wind, long-term lack of light and other reasons will also cause leaf loss.

4. The leaves are easy to fall when the cold wind blows directly in spring, and leave the house again when the temperature is stable after Qingming Festival, which is beneficial to protect the leaves.

5. Fertilizer damage and improper fertilization will cause fertilizer damage and fallen leaves. Fertilizer must be fertilized with fully fermented and mature fertilizer. if the clan applies raw fertilizer, it will not only not make Milan grow strong, but will burn the roots by the heat generated during the fermentation of raw fertilizer; if you apply inorganic fertilizer, it will also lead to excessive fertilization or direct contact with chemical fertilizer, resulting in the loss of leaves after root injury.

How to keep Milan from losing its leaves?

1. Fertilization: fertilizer should be applied once a month, mainly organic fertilizer and high-efficiency phosphorus and potassium fertilizer, and avoid partial application of nitrogen fertilizer. Each time, 25 grams of peanut cake fertilizer or rapeseed cake fertilizer or tea seed cake fertilizer, 15 grams of potassium dihydrogen phosphate or efficient biological phosphorus and potassium fertilizer were applied in each pot, and 2 kilograms of rotten and deodorized human and animal manure were mixed with clean water or retting and then drenched.

2. Watering: keep the basin soil in a moist state throughout the year, do not crack in drought, but do not get too wet for a long time, otherwise it will retting roots, rotten roots and yellow leaves. In general, fresh water is watered once a day in summer and autumn, and every 2-3 days in winter and spring, so that water can quickly infiltrate into the basin soil and not accumulate on the basin soil. At the same time, it is necessary to often spray water on the branches and leaves, especially during high temperature in summer and drought in winter, to spray all the branches and leaves evenly, and it is appropriate to start dripping water, so as to keep the branches and leaves moist.

3. Spraying: potted Milan is seriously damaged by diseases and pests such as powdery mildew, leaf spot, anthracnose, red spiders, shell insects, aphids, rust wall lice, etc., which yellowed and withered branches and leaves. 25: 30 times dry and pure plant ash and calcium superphosphate clarification solution can be sprayed on the leaves every 15-20 days, or 0.1% lime water clarification solution for pollution-free control, in order to protect branches and leaves and prevent all kinds of diseases and pests.