Rice plants can be regenerated from the in vitro embryo treated by exogenousplant DNA in the experiment.
本试验用外源植物DNA处理水稻离体胚，并获取胚的再生植株。
2
Whether the exogenous gene of the conversion can be expressed correctly, efficiently and as desired in the plant recipient is of current concern.
转化的外源基因在植物受体组织中能否正确、高效并按照人们的意愿特异地表达是人们非常关注的问题。
3
The light or the absence of inhibitory effect of other plantexogenous growth substances to Botritis cinerea was the main factor that they didn't control tomato gray mould disease steadily.