The results are summarized as follows . solid culture . in preliminary experiments , broomcorn millets ( yielded by the crop panicum miliaceum l . ) and foxtail millets ( yielded by the crop setaria italica l . ) were determined as optimal substrate for solid culture of p . delphacis 主要研究内容和结果分述如下：固体培养筛选确定了以黍米( panicummiliaceuml . ，俗称黄米)和粟米( setariaitalical . ，俗称小米)为最适固体培养基质，对飞虱虫疠霉进行了成功的繁殖试验。
