The development of the two side mastoid can be imcompatible.

双突发育可不一致。

In the imcompatible interaction and the nonhost interaction between wheat and barley powdery mildew pathogen, much more active oxygen was examined, especially in the nonhost resistant interaction.

在不亲和组合，特别是非主组合（小麦／大麦白粉病菌）中，活性氧的积相对较大。