leaf spot and fruit rot of tomato

例句：

1. 1.Leaf spots on the leaves are a sign of poor soil health.
   叶子上的斑点是土壤健康状况不佳的迹象。
2. 2. The tomato plant was severely affected by leaf spot disease.
   番茄植株严重受到了叶斑病的影响。
3. 3.Tomatoes are prone to leaf spot and fruit rot, which can be prevented with proper irrigation and crop rotation.
   番茄易患叶斑病和果实腐烂，通过适当的灌溉和轮作可以预防。