Flowering stage was the most sensitive period to iron deficiency when the most severe chlorosis was observed, and the lowest SPAD value and active Fe content in young leaves were tested.

• 开花期是花生对缺铁胁迫最为敏感的时期，此阶段黄化现象最严重、各品种新叶的叶绿素值和活性铁含量最低。