水土保持通报2012，Vol.32Issue(3)：33-36,61,5.
干旱胁迫对3种针茅种子萌发期抗旱性影响的研究
Effects of Drought Stress on Drought Resistance of Three Species of Stipa Seeds During Germination
摘要
Abstract
Three species of Stipa seeds（S.bungeana,S.grandis and S.sareptana var.krylovii） in Ningxia Hui Autonomous Region were taken as a test materials,the effects of drought stress on their germination were studied under different gradients of polyethylene glycol（PEG-6000）.Results showed that as the drought intensified,seed germination rate,vitality index,seedling fresh weight and drought resistance index of the three species declined.Especially,the declinations for S.grandis were most significant（pS.sareptana var.krylovii〉S.grandis.关键词
针茅/种子萌发/抗旱性Key words
Stipa/seed germination/drought resistance分类
农业科技引用本文复制引用
于鲁宁,程积民,李媛,陈芙蓉,魏琳..干旱胁迫对3种针茅种子萌发期抗旱性影响的研究[J].水土保持通报,2012,32(3):33-36,61,5.基金项目
林业公益性行业科研专项“西北典型区域基于水分管理的森林植被承载力研究” （）
中国科学院重要方向“半干旱黄土区植被自然恢复过程及适度利用研究”（KZCX2-YW-441）, （）
农业部“现代农业产业技术体系建设专项” （）
黄土高原土壤侵蚀与旱地农业国家重点实验室基金“黄土区植被自然恢复与利用机理研究” （）
