A yellow -green mutational line from spring wheat treated with a chemical mutagen(KMS) was analysed on chlorophyll contents, genetical mechanism and ultrastructure of chloroplast.

• 本文对化学诱变剂EMS处理春小麦获得的一个黄绿色突变系的叶绿素含量、遗传机制及叶绿体的超微结构进行了分析。