以架豆(Phaseolus vulgaris L.)为材料,利用叶绿素荧光仪测定了在不同浓度(0,200,400,600,800和1000 mmol?L -1 )NaCl胁迫下架豆叶片光系统Ⅱ(PSⅡ)最大光量子产量Fv / Fm (maximum quantum yield of photosystemⅡ)、PSⅡ实际光化学量子产量Y(Ⅱ)(actual photochemical efficiency of PSⅡin the light)、光化学淬灭系数qP (photochemical quenc
