mulberry powdery mildew

例句：

1. 1.The mulberry tree is suffering from powdery mildew.
   桑树正遭受粉状白粉病的侵袭。
2. 2. The farmers are trying to control the spread of this disease in their orchard.
   农民们正在试图控制这种疾病在他们果园中的蔓延。
3. 3.The affected plants have lost a significant portion of their leaves due to the powdery mildew.
   受感染的植物因粉状白粉病而失去了大量叶子。