姜花属杂交育种的亲本选择中，除了考虑性状搭配之外，还应考虑该属的自交不亲和性带来的生殖障碍。
In the cross breeding of Hedychium, parental selection is related not only to the parental morphologic characters, but also to the reproducing barrier of self incompatibility.
不同基因型玉米进行间作时，在考虑利用花粉直感的同时一定要兼顾其它性状的搭配，才有利于产量的进一步提高。
When carrying out reasonable intercropping in different genotypes maize, we should take into account other traits while using Xenia effects, which would favor more increase in yield.
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