Breeding methods的用法和样例：
例句
- Plant breeders have had some success with traditional breeding methods to produce high-iron rice.
植物育种家已经成功地利用传统育种方法培育出高铁水稻。 - For example, herbicide tolerance produced by GM is highly regulated, and herbicide tolerance from conventional plant breeding is not.
例如，通过遗传饰变而产生的抗除草剂作物受到严格的管理，而通过传统植物育种方法获得的除草剂抗性则不受限制。
