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当前位置: 首页 > 文章 > 披碱草和野大麦及其BC_1F_2代不同株系苗期耐盐性研究 中国草地学报 2006 (2) 17-22
Position: Home > Articles > Studies on the Salt Tolerance of Elymus dahuricus Hordeum brevisubulatum and Their BC_1F_2 Lines at Seedling Stage Chinese Journal of Grassland 2006 (2) 17-22

披碱草和野大麦及其BC_1F_2代不同株系苗期耐盐性研究

作  者：
李珍;李造哲;于卓
单  位：
内蒙古农业大学生态环境学院;内蒙古农业大学农学院
关键词：
披碱草;野大麦;BC1F2代;苗期;耐盐性
摘  要：
测定了在盐胁迫下亲本披碱草和野大麦及其BC1F2代不同株系幼苗的相对含水量、细胞膜透性、游离脯氨酸含量等生理生化指标。结果表明,盐胁迫下披碱草和野大麦及其BC1F2代各株系幼苗的组织相对含水量下降、游离脯氨酸含量增高、质膜透性增大,亲本披碱草和野大麦及其BC1F2代不同株系间存在差异。综合评价得出其耐盐性排序为:野大麦>Y1F2-5>Y1F2-3=Y1F2-1>P1F2-6>Y1F2-6=Y1F2-9>Y1F2-2>Y1F2-8>P1F2-7>披碱草>Y1F2-7。
译  名：
Studies on the Salt Tolerance of Elymus dahuricus Hordeum brevisubulatum and Their BC_1F_2 Lines at Seedling Stage
作  者：
LI Zhen~1,LI Zao-zhe~(2,*),YU Zhuo~1(1.College of Agronomy,Inner Mongolia Agricultural University,Hohhot 010019,China;2.College of Ecology and Environmental Science,Inner Mongolia Agricultural University,Hohhot 010019,China)
关键词：
Elymus dahuricus;Hordeum brevisubulatum; BC_1F_2;Seedlings;Salt tolerance
摘  要：
The physiological and biochemical indices,such as relative water content,cell membrane permeability,free proline etc.,were determined in leaves of Elymus dahuricus,Hordeum brevisubulatum and their BC_1F_2 lines at seedling stage under salt stress.The results showed that the relative water content of Elymus dahuricus,Hordeum brevisubulatum and their BC_1F_2 lines at seedling stage was decreased under salt stress,but free proline and cell membrane permeability were increased,there were differences among Elymus dahuricus,Hordeum brevisubulatum and their BC_1F_2 lines.Based on the comprehensive evaluation,the order of salt tolerance was as follows: Hordeum brevisubulatum>Y_1F_2-5>Y_1F_23=Y_1F_2-1>P_1F_2-6>Y_1F_2-6=Y_1F_2-9>Y_1F_2-2>Y_1F_2-8>P_1F_2-7>Elymus dahuricus>Y_1F_2-7.

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