“龙特浦Ａ”(简称“特Ａ”)是福建省漳州市农科所于1986年育成的籼型杂交稻不育系,具有株型紧凑、茎秆粗壮、叶片厚直、穗大粒多等优点,其配合力高,所配组合在高产粮区发挥了巨大的增产增收作用。但自从“特Ａ”育成应用于制种以来,特优组合纯度一直不稳定。1988年和1991年早 “Longte Pu A” (referred to as “special A”) is an indica hybrid rice CMS line developed by Zhangzhou Agri-Science Institute in 1986. It has the advantages of compact plant type, thick stalks, thick leaves, And other advantages, with high combining power, with the combination of high yield grain producing area has played a huge role in increasing yield and income. However, since the “special A” breeding applied to seed production, the excellent combination of instability has been instability. 1988 and 1991 early