leaf spot of peach

例句：

1. 1. The tree's leaves have developed a leaf spot that is affecting its growth.
   这棵树的叶子上出现了一种叶斑病，正在影响它的生长。
2. 2. The farmer applied an antifungal spray to treat the leaf spot on his grapevines.
   农民给葡萄藤上的叶斑病喷洒了抗真菌喷雾剂。
3. 3.To prevent further damage, the gardener decided to remove the affected leaves and apply fungicide.
   为了防止进一步损害，园艺师决定移除受影响的叶子并施用杀菌剂。