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以杂交籼稻品种冈优527为试材,于幼穗形成期设置短期轻度水分胁迫( Short and light water stress ,SLS)、长期轻度水分胁迫( Long and light water stress ,LLS)、短期重度水分胁迫( Short and heavy water stress ,SHS)以及长期重度水分胁迫(Long and heavy water stress,LHS)4个水分处理,并以习惯水层灌溉(Traditional flooding,TF)为对照。研究复水后水稻叶片光合