necrosis mosaic disease

例句：

1. 1. This plant has been sufferingfrom necrosis mosaic diseasefor several years.
   这株植物已经遭受了几年的坏死斑病。
2. 2. The farmernoticed that the leaves of his wheat cropwere turning brown and had developed necrosis mosaic disease.
   这位农民注意到他的小麦作物的叶子开始变黄，并出现了坏死斑病。
3. 3. The diseaseis caused by a fungus that attacksplants and can lead to necrosismosaic disease.
   这种病害是由一种真菌引起的，它会攻击植物，导致坏死斑病。