| 1. | Al toxicity - induced ultraweak luminescence ( ul ) , sister - chromatid exchanges ( sces ) , programmed cell death ( pcd ) in root tips of barley , al - resistant genetic engineering and the role of root border cells in al toxicity were studied respectively , in order to explore some new pathways for al toxicity , al - resistant mechanism and genetic improvement 大麦是铝毒极为敏感的作物,本实验以大麦为材料,开展了铝毒诱导的根尖细胞超微弱发光、姐妹染色单体交换( sce ) 、细胞程序性死亡、耐铝基因工程及边缘细胞在铝毒中的功能研究。试图为植物铝毒及耐铝机制和遗传改良研究探索新途径。 |