flower seedling infection

例句：

1. 1.The flower seedling was infected by a fungus.
   这朵花苗被真菌感染了。
2. 2.The plant is suffering from an unknown virus, causing the flowers to die.
   这株植物正遭受一种未知的病毒侵袭，导致花朵凋谢。
3. 3. The disease spread rapidly among the plants, affecting their growth and flowering.
   这种病迅速在植物间传播，影响了它们的生长和开花。