当前位置: 首页 > 文章 > PEG胁迫下达乌里胡枝子种子萌发期的抗旱性差异 中国草地学报 2007,29 (6) 86-91
Position: Home > Articles > Study on Drought Resistance of Different Lespedeza davurica Materials at Seed Germination Stage Stressed with PEG Chinese Journal of Grassland 2007,29 (6) 86-91

PEG胁迫下达乌里胡枝子种子萌发期的抗旱性差异

作  者:
胡卉芳;王照兰;史万光;杜建材;蔚瑛
单  位:
内蒙古农业大学生态环境学院;中国农业科学院草原研究所
关键词:
达乌里胡枝子;种质;PEG胁迫;抗旱性
摘  要:
采用0.2MPa、0.4MPa、0.6MPa、0.8MPa、1.2Mpa共5个浓度梯度的PEG对9个达乌里胡枝子不同种质的种子进行干旱胁迫处理,通过对发芽率、发芽势、发芽指数、活力指数、根长、苗长的综合分析表明,9个达乌里胡枝子种质材料萌发期抗旱性强弱顺序为H04-17>H04-5>H98-45>H98-16>H02-2>H04-3>H98-67>H98-24>H04-7。
译  名:
Study on Drought Resistance of Different Lespedeza davurica Materials at Seed Germination Stage Stressed with PEG
作  者:
HU Hui-fang1,WANG Zhao-lan1, SHI Wan-guang1,2,DU Jian-cai1,YU Ying3 (1. Grassland Research Institute of Chinese Academy of Agricultural Science,Hohhot 010010,China; 2. College of Grassland Science,Gansu Agricultural University,Lanzhou 730070,China;3.College of Ecology and Environmental Science,Inner Mongolia Agricultural University,Hohhot 010019,China)
关键词:
Lespedeza davurica ;Germplasm;PEG stress;Drought resistance
摘  要:
Drought resistance of different Lespedeza davurica materials at seed germination stage was evaluated. Seeds were exposed to five levels of osmotic PEG solution. Based on germination rate, relative germination rate, germination index, vigor index, root length and seedling height , the ability of drought resistances at germination stage of the different Lespedeza davurica materials was H04-17>H04-5>H98-45>H98-16>H02-2>H04-3>H98-67>H98-24>H04-7.

相似文章

计量
文章访问数: 13
HTML全文浏览量: 0
PDF下载量: 1

所属期刊

推荐期刊