根系和叶片衰老密切相关,从丙二醛含量的变化看,根系衰老早于叶片,根系衰老引发和加剧了叶片衰老。
Root and leaf senescence closely related to MDA from the changes, as early as the leaf senescence root, root and exacerbated the trigger senescence leaf senescence.
ABA启动叶片和根系的衰老过程,启动后aba含量下降。
ABA start-up senescence process of leaf and root, and then content of ABA declined.
结果表明玉米苗期调亏处理能延缓后期叶片和根系衰老,保持较高的光合速率、蒸腾速率和根系活力。
The results indicated that RDI could postpone leaf senescence and increase photosynthesis rate, transpiration rate and root activity in later stage.
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