There were sametrends of increasing-decreasing for acetaldehyde,alcohol and lactate. All these indicated thatthe tricarboxylic acid cycle（TCAC）was inhibited in root of Malus rootstock seedlings underhypoxia stress,the terminal oxidation capacity of electronic respiratory chain decreased,andthe aerobic respiration in root was inhibited.
说明低氧胁迫下，苹果砧木幼苗根系三羧酸循环（TCAC）受阻，电子呼吸链的末端氧化能力下降，根系有氧呼吸代谢受到抑制；同时根系加强了乙醇发酵和乳酸发酵，导致根系中乙醇、乙醛和乳酸积累。
参考来源 - 苹果属砧木资源幼苗的耐低氧性评价及其对低氧胁迫适应的生理机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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