But previous attempts to produce such strength by knocking out specific genes had stunted the plants or produced bad seeds.
But previous attempts to produce such strength by knocking out specific genes had stunted the plants or produced bad seeds.
但是以前通过破坏发育不良的特殊基因的尝试产生了影响，已妨碍到其他稻作物的生长或者生产出坏的种子。