Osmotic stress(PEG -6000 solution) and respiration inhibitors KCN,DNPcan induce high ratio of cell permeability in soybean hypocotyl ,and DNP has the greatest effect in all of treatments.

• 利用呼吸抑制剂和解偶联剂探讨了在渗透胁迫下大豆下胚轴细胞透性与呼吸速率之间的关系；结果表明；渗透胁迫和呼吸抑制剂KCN、解偶联剂DNP均可以引起大豆下胚轴细胞透性显著增大；尤以DNP的效应最大.