seedling diseases

例句：

1. 1. The young trees are more susceptible to seedling diseases than older ones.
   年轻的树木比老的树木更容易受到幼苗病害的影响。
2. 2. To prevent seedling diseases, it's important to maintain good soil health and proper irrigation.
   为了预防幼苗病害，保持土壤健康和适当的灌溉是很重要的。
3. 3. Researchers have identified several new fungal pathogens that can cause seedling diseases in plants.
   研究人员已经识别出几种新的真菌病原体，这些病原体可以导致植物的幼苗病害。