armillaria root rot of tree

例句：

1. 1. The tree wasseverely affected by the Armillaria root rot.
   这棵树严重受到了马尾菌根腐病的影响。
2. 2. The fungus is responsible for the Armillaria root rot in many forests.
   这种真菌在许多森林中负责马尾菌根腐病。
3. 3. To prevent this disease, it's important to maintain proper irrigation and drainage in the soil.
   为了预防这种疾病，重要的是要维护土壤的适当灌溉和排水。