同种异系交配

例句：

1. 1.The scientists are trying to breed a new strain of wheat that can withstand the drought conditions.
   科学家们正在尝试培育一种新品种的小麦，以适应干旱条件。
2. 2. The research on genetic engineering has led to the development of hybrid plants that have superior growth and disease resistance.
   遗传工程的研究导致了杂交植物的发展，这些植物具有更好的生长和抗病能力。
3. 3.The farmers are using this technique to crossbreed different species of corn to improve their yield.
   农民们正在使用这种方法来杂交不同种类的玉米，以提高产量。