cross-pollinating

But corn and cotton are insect-cross- pollinating crops, which means that the possibility of such contamination is great.

但是玉米和棉花是以昆虫为媒介的异花授粉作物，因此发生这种杂交的可能性很大。

The same is true for cross-pollinating programmes in cotton.

棉花交叉授粉计划也是如此。