Nitrogen fixation of Bragg root nodules was severely inhibited and nts382 was less inhibited and still remained high N2-fixing capacity in campari-son with Bragg in non-boron culture.

• 施硼处理的nts382和Bragg,根和根瘤中钙的浓度和积累量明显降低,而地上部变化不大,同时在nts382根瘤中,锌、锰、铁、铜浓度和含量也下降,而钼含量增加。