puccinia juncelli

例句：

1. 1. The grapevine was severely affected by the puccinia juncelli.
   葡萄藤严重受到了霜霉病的影响。
2. 2. The farmer used a fungicide to treat the puccinia juncelli on his crops.
   农民使用了一种杀菌剂来治疗他农作物上的霜霉病。
3. 3. The disease is spread by fungi and can cause severe damage to plants.
   这种病是由真菌传播的，可以严重损害植物。