Causes of white spots on fortune trees

1. Caused by insect pests. If insect pests occur, feces and other excreta of pests can be found in front of the leaves. The main pests are red spider, scale insect, etc

2. Excessive temperature and water on the leaf surface will produce frozen spots

3. Poor ventilation in summer, coupled with the unique humid and muggy environment, will also cause some diseases and pests

4. Water too much

Control methods of white spots on fortune trees

1. To maintain the air permeability and porosity of the soil, it is best to choose a more fertile and sandy clean soil

2. Watering should be reasonable and not excessive, so as to cause ponding

3. When the temperature is extremely high in summer, pay attention to proper ventilation

4. Observe plants frequently and remove the persecuted places in time when diseases and pests are found. In serious cases, spray them with drugs

5. Pay attention to heat preservation and cold prevention in winter. Don't spray water on the plant surface when the temperature is low, otherwise it is easy to cause frostbite

6, you can use alcohol (not to replace the Baijiu) to wash the leaves, wash the leaves with the washing powder water, but be careful not to let the laundry powder drop into the soil, which will affect the normal growth of the plants. p>