Characteristics of Artemisia Giraldii Seed Germination in Erdos Plateau of Inner Mongolia Autonomous Region

LIU Fang; YANG Jie; WANG Xin-ting; QI Xue-zhi; ZHAO Li-qing; Zhang Pu-jin

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Characteristics of Artemisia Giraldii Seed Germination in Erdos Plateau of Inner Mongolia Autonomous Region

- Characteristics of Artemisia Giraldii Seed Germination in Erdos Plateau of Inner Mongolia Autonomous Region
- Bulletin of Soiland Water Conservation Vol. 31, Issue 4, Pages: 225-228(2012)
- 作者机构：
  
  1. 内蒙古工业大学能源与动力工程学院环境科学与工程系,内蒙古,呼和浩特,010051
  2. 内蒙古大学生态与环境科学系,内蒙古,呼和浩特,010021
- 作者简介：
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- Published：2012
- 稿件说明：
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LIU Fang, YANG Jie, WANG Xin-ting, et al. Characteristics of Artemisia Giraldii Seed Germination in Erdos Plateau of Inner Mongolia Autonomous Region[J]. Bulletin of Soiland Water Conservation, 2012, 31(4): 225-228.
DOI：

LIU Fang, YANG Jie, WANG Xin-ting, et al. Characteristics of Artemisia Giraldii Seed Germination in Erdos Plateau of Inner Mongolia Autonomous Region[J]. Bulletin of Soiland Water Conservation, 2012, 31(4): 225-228. DOI：

摘要

通过对内蒙古自治区鄂尔多斯高原的茭蒿与其他2种蒿属植物种子萌发特性的对比研究．结果表明，茭蒿种子质量很小，千粒重仅为(0.090 1±0.005 1)g，这种特性有利于其种子的传播；茭蒿种子质量虽然很小，但在相同条件下，与其他植物种子发芽率并没有表现出显著差异，即种子质量的大小没有对茭蒿种子的萌发造成影响．茭蒿在拥有小种子的同时又具有高的种子萌发率，是其对黄土丘陵沟谷的有效适应途径．

Abstract

The loess hill and gully region of Ordos Plateau was selected as the study area. Seed germinations of Arternisia giraldii

Arternisia sacrorurn and Artemisia ordosica were characterized comprehensively and analyzed systematically. The results indicate that the seeds of Arternisia giraldii have extremely light weight

as low as (0. 090 1±0. 005 1) g per 1 000 seeds. This trait allows the species to achieve higher dis-persal rate than the others. Furthermore

seed germination rate of Arternisia giraldii remained almost same as the other species with similar traits. This suggests that the light seed weight of Arternlsia giraldii was clearly not a disadvantage for the success of seed germination. Instead

it enhances the effective adaptability of Arternisia giraldii to the gully habitat.

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