Hessian fly resistance

例句：

1. 1. The hessian fly resistance is a crucial factor in the success of the crop.
   亚麻籽粉抗性是作物成功的关键因素。
2. 2.To improve the resistance to pests, farmers often use natural predators like ladybugs.
   为了提高对害虫的抗性，农民们经常使用像瓢虫这样的自然捕食者。
3. 3. The hessian fly resistance is tested using a variety of methods, including chemical and biological controls.
   亚麻籽粉抗性通过多种方法进行测试，包括化学和生物控制。