盐胁迫下大豆叶片有机物质及荧光参数的变化  

Changes of organic substance and fluorescence parameter under salt stress in soybean

作　　者：王征宏[1] 孔祥生[1] 吕淑芳[1] 武晓红[2] 

机构地区：[1]河南科技大学农学院,河南洛阳471003 [2]河南科技大学动物科技学院,河南洛阳471003

出　　处：《河南科技大学学报（农学版）》2003年第4期30-31,34,共3页

摘　　要：用浓度分别为0、150、300mmol/L的NaCl盐溶液对豫豆25进行盐胁迫,研究了NaCl胁迫下有机物质和荧光参数的变化。结果表明,NaCl胁迫下大豆叶片中可溶性糖(SS)、脯氨酸(Pro)、游离氨基酸总量(TFA)及Pro/TFA比值均呈显著上升趋势,盐胁迫下叶绿素荧光参数Fv/Fo、Fv/Fm、ΦPSⅡ均显著降低。Soybean were treated with different concentration of NaCl 0,150,300 mmol/L , the changes of organic substance and chlorophyll fluorescence parameter under salt stress were studied. The results showe that changes of total free amino Acid(TFA),free proline(Pro),solube sugar(SS) and the ratio of Pro/ TFA increase significantly under salt stress. Chlorophyll fluorescence parameter Fv/Fo,Fv/Fm,ΦPSⅡdecrease significantly.

关 键 词：盐胁迫 大豆 荧光参数 NACL胁迫 叶片 有机物质 豫豆25 PSⅡ 脯氨酸 可溶性糖 

分 类 号：S565.1[农业科学—作物学] Q945[生物学—植物学]