1.The male-sterile line cell nucleus has the Kafir nuclear system, the kaoliang nuclear system, trend Kafir nuclear system and the Shallu nuclear system.
不育系的细胞核有粱核体系、中国粱核体系、倾向粱核体系和印度粱核体系。
2.The heterosis use model mainly is the Kafir×kaoliang, the kaoliang×kaoliang, trend Kafir×trend kaoliang, the Shallu×trend kaoliang.