1、 How to treat powdery mildew

1. How to distinguish: powdery mildew, as its name suggests, will cover the leaves of the plant with white powder, which will not only affect the appearance of the plant, but also affect the growth of the plant. When the disease is serious, a large number of white spots will appear on the leaves of the plant

2. Chemical control: when the disease is mild, you can take a soft cloth and dip it in water to wipe off the white powder. When the disease is serious, you should cut off the seriously ill leaves, spray the flowers with Triadimefon and triadimefon in turn, and pay attention to the maintenance and ventilation of the environment after spraying

3. Folk prescription prevention and treatment: Flower friends who do not want to use drugs can dig a spoonful of baking soda with a ear scoop, mix it with 50ml of water, spray the diseased leaves every two days, wait for an hour after spraying, and then spray it with water once to prevent the seedling from burning with high concentration of baking soda

2、 How to prevent powdery mildew

1. Frequent ventilation: not only powdery mildew, but also for most diseases, the lack of ventilation in the maintenance environment is the main cause of plant diseases. Therefore, when we raise flowers at home, we must frequently open windows for ventilation to prevent the occurrence of diseases and pests

2. Carbendazim: spring and summer are the high incidence seasons of powdery mildew. Carbendazim can be sprayed on the plants every half a month for prevention. Flower friends without carbendazim can also spray the plants with onion water (onion chopped and soaked in water) to prevent the occurrence of diseases