What is the deal with the white灰 on the leaves of the rose
Today's focus is to introduce the knowledge about why there is white灰 on the leaves of the rose in the field of green plants and flowers. The following is a detailed introduction
What is the deal with the white灰 on the leaves of the rose
The white灰 on the leaves of the rose is mostly caused by powdery mildew, a fungal disease that primarily affects the leaves, leading to yellowing and falling. It commonly occurs in warm, dry, or humid environments. In the early stages of the disease, you can spray a 70% methyltobuzin solution diluted 1000 to 1500 times or a 15% wettable powder fungicide. Additionally, it is necessary to control the ambient temperature, ensure good ventilation, and maintain suitable temperature and humidity.
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