Preliminary Study on Effects of PEG and Low Temperature Stress on Germination of Onobrychis Viciifolia Seeds

YU Jing; CHENG Ji-min; WAN Hui-e

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Preliminary Study on Effects of PEG and Low Temperature Stress on Germination of Onobrychis Viciifolia Seeds

- Preliminary Study on Effects of PEG and Low Temperature Stress on Germination of Onobrychis Viciifolia Seeds
- Bulletin of Soiland Water Conservation Vol. 27, Issue 6, Pages: 115-117(2008)
- 作者机构：
  
  1. 西北农林科技大学资源环境学院, 陕西杨凌,712100
  2. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
- 作者简介：
- 基金信息：
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- Published：2008
- 稿件说明：
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YU Jing, CHENG Ji-min, WAN Hui-e. Preliminary Study on Effects of PEG and Low Temperature Stress on Germination of Onobrychis Viciifolia Seeds[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 115-117.
DOI：

YU Jing, CHENG Ji-min, WAN Hui-e. Preliminary Study on Effects of PEG and Low Temperature Stress on Germination of Onobrychis Viciifolia Seeds[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 115-117. DOI：

摘要

在植物生长箱通过种子萌发试验

从种子发芽进程、发芽率和吸水量等方面研究了水分和低温胁迫对红豆草种子萌发的影响。用10%

15%

20%

25%

30%的聚乙二醇(PEG)溶液和5℃左右低温预处理红豆草种子

结果表明

不同浓度的聚乙二醇和5℃左右低温预处理可以缩短种子的平均发芽时间

提高发芽率;比较发现

聚乙二醇浓度30%和低温处理时间4 d时可促进红豆草种子的萌发。

Abstract

The effects of water and low temperature stress on germination of Onobrychis viciifolia seeds were investigated.Onobrychis viciifolia seeds were cultivated in a plant growth chamber with different PEG concentrations(10%

15%

20%

25%

and 30%) and the 5 ℃ cold pretreatment.Results indicated that different concentrations of PEG and the 5 ℃ cold pretreatment shortened the average germination time and increased the germination percentage of Onobrychis viciifolia seeds.30% PEG and low temperature stress for 4 days significantly improved germination of Onobrychis viciifolia seeds.

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