山西农业大学学报（自然科学版）2016，Vol.36Issue(7)：506-509,4.
干旱胁迫对两种百里香种子萌发的影响
Effect of drought stress on seeds germination of two thyme varieties
摘要
Abstract
Objective]The aim was to explore the drought resistence mechanism of thyme.[Methods]Taking the seeds of thyme varieties Thymus vulgar is and Thymus victorious as experimental materials,by using different concentration PEG-6000 (5%,10%,20% and 30%)to simulate drought stress conditions.In order to explore the drought resistance mechanism of thyme,we determined the seed germination rate,germination potential,and seedling root,shoot length and leaf area.[Results]The results showed that under the 5% PEG-6000 drought stress,treatment,two species of thyme varieties seeds germination rate and germination potential were not significant.Low concentration (10%)of PEG could promote the seeds germination and growth,leaf area and shoot length of thyme seedling were significantly inhibited.The seeds germination indexes,shoot length and leaf area were inhibited with the increase of drought stress (≥10%),and the greater the intensity of drought stress was,the more distinctly index changed.[Conclusion]A certain concentration of PEG could promote the seeds germination and root growth,and the drought resistance of Thymus vic-torious was much better than Thymus vulgaris.关键词
干旱胁迫/百里香/种子萌发/幼苗生长Key words
Drought stress/Thyme/Seed germination/Seeding growth分类
农业科技引用本文复制引用
任才,任瑞芬,武曦,王旭刚,杨秀云..干旱胁迫对两种百里香种子萌发的影响[J].山西农业大学学报（自然科学版）,2016,36(7):506-509,4.基金项目
山西省农业科技攻关项目(20140311013-4) （20140311013-4）
山西省高等学校教学改革项目(J2014030) （J2014030）
