phytophage

例句：

1. 1. Phytophages are a type of bacterium that can infect plants and cause diseases.
   植物寄生虫是一种细菌，可以感染植物并导致疾病。
2. 2. The phytophages were responsible for the decline of many crops in the region.
   这些植物寄生虫导致了该地区许多作物的减产。
3. 3.To control the spread of phytophages, farmers need to use resistant varieties of crops.
   为了控制植物寄生虫的传播，农民需要使用抗病品种的农作物。