[1]王晓丽,曹子林,朱霞. PEG处理对云南松种子发芽及其生理生化特性的影响[J].西北林学院学报,2012,27(06):16-19.
　WANG Xiao-li,CAO Zi-lin,ZHU Xia. Effects of PEG on the Seed Germination and Physiological and Biochemical Characteristics of Pinus yunnanensis[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(06):16-19.
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 PEG处理对云南松种子发芽及其生理生化特性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年06期
页码:
16-19
栏目:
出版日期:
2012-11-30

文章信息/Info

Title:
 Effects of PEG on the Seed Germination and Physiological and Biochemical Characteristics of Pinus yunnanensis
文章编号:
1001-7461(2012)06-0016-04
作者:
 王晓丽; 曹子林; 朱霞
 （1．西南林业大学 林学院，云南 昆明 650224；2．西南林业大学 环境科学与工程学院，云南 昆明 650224）
Author(s):
 WANG Xiao-li;  CAO Zi-lin;  ZHU Xia
 (1. Faculty of Forestry, Southwest Forestry University, Kunming, Yunnan 650224, China; 2. Faculty of Environmental Science and Engineering, Southwest Forestry University, Kunming, Yunnan 650224, China)
关键词:
 ; 云南松; PEG; 种子引发; 种子萌发; 幼苗生长; 生理生化
Keywords:
 ; Pinus yunnanensis;  PEG;  seed priming;  seed germination;  seedling growth;  physiological and biochemical index
分类号:
S791.257
文献标志码:
A
摘要:
 以经PEG4000、PEG6000、PEG8000、PEG10000 4种不同相对分子质量95、140、170、221、250、301 g·L-1和345 g·L-1 7种质量浓度处理的云南松种子为材料，以蒸馏水处理为对照，研究不同相对分子质量、不同质量浓度PEG处理对云南松种子发芽及其生理生化特性的影响。结果表明，经过PEG处理的云南松种子，在发芽率，萌发种子可溶性糖、可溶性蛋白含量，幼苗胚根长、胚轴长等方面都比对照组的云南松种子和幼苗有所提高，而萌发种子电导率低于对照。通过方差分析和多重比较，发芽率与对照组相比，各相对分子质量之间PEG6000处理总体效果好，F检验极显著；各质量浓度之间140 g·L-1处理总体效果好，F检验极显著。通过发芽能力、幼苗生长、生理指标综合比较分析，PEG6000质量浓度170 g·L-1处理总体效果最好。

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