[1]多杰吉,廖超英*,高智辉,等. 毛乌素沙地沙柳对花棒和柠条的化感作用[J].西北林学院学报,2015,30(04):39-44.[doi:doi:10.3969/j.issn.1001-7461.2015.04.06]
 DUO Jie-ji,LIAO Chao-ying*,GAO Zhi-hui,et al. Allelopathy Effects of Salix cheilophila on Hedysarum scoparium and Caragana korshinskii in Mu Us Desert[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(04):39-44.[doi:doi:10.3969/j.issn.1001-7461.2015.04.06]
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 毛乌素沙地沙柳对花棒和柠条的化感作用()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年04期
页码:
39-44
栏目:
出版日期:
2015-07-31

文章信息/Info

Title:
 Allelopathy Effects of Salix cheilophila on Hedysarum scoparium and Caragana korshinskii in Mu Us Desert
文章编号:
1001-7461(2015)04-0039-06
作者:
 多杰吉12廖超英23*高智辉1徐松3
 (1.西北农林科技大学 林学院,陕西 杨陵 712100;2.农业部西北植物营养与农业环境重点实验室,陕西 杨陵 712100;3.西北农林科技大学 资源环境学院,陕西 杨陵 712100)
Author(s):
 DUO Jie-ji12 LIAO Chao-ying23* GAO Zhi-hui1 XU Song3
 (1. College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100,China; 2. Key Laboratory of Plant Nutrition and Agri-environment in Northwest China,Ministry of Agriculture, Yangling, Shaanxi 712100, China; 3.College of Resource and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China)
关键词:
 毛乌素沙地沙柳花棒柠条化感作用
Keywords:
 Mu Us Desert Salix cheilophila Hedysarum scoparium Caragana korshinskii allelopathy
分类号:
S793.9
DOI:
doi:10.3969/j.issn.1001-7461.2015.04.06
文献标志码:
A
摘要:
 通过生物测定方法,研究了毛乌素沙地的沙柳(Salix cheilophila)枝叶浸提液对2种豆科植物花棒(Hedysarum scoparium)、柠条(Caragana korshinskii)的种子萌发与幼苗生长的化感作用。结果表明,沙柳可以抑制2种受体种子萌发和幼苗生长,花棒的各项指标在随着浸提液浓度升高时抑制作用逐渐减小,柠条的各项指标随着浸提液浓度增加抑制作用逐渐增大。花棒幼苗的地上部分比地下部分敏感,柠条幼苗的地下部分比地上部分敏感。沙柳对花棒和柠条的叶绿素含量指标表现为明显的抑制作用;对柠条根系活力指标表现为明显的抑制作用。因此,对根系和光合系统的破坏可能反映了沙柳化感作用的主要方式。
Abstract:
 Allelopathy effects of the branch-leaf aqueous extract of Salix cheilophila on the seed germination and seedling growth of Hedysarum scoparium and Caragana korshinskii were investigated by bio-assay method. The results showed that the extract exhibited inhibitory effects on seed germination and growth of the two Leguminous plants. And the inhibitory effects to H. scoparium decreased alone with the increase of the concentration of the extract, in contrast, the germination index of C. korshinskii  decreased alone with the concentration of the extract. The aerial parts of H. scoparium seedlings were more sensitive than the underground parts, while C. korshinskii underground parts were more sensitive than the aerial parts. The extract showed a sensitive inhibitory effect on chlorophyll content of H. scoparium and C. korshinskii and significant inhibition on C. korshinskii root activity. By inference, damage to the roots and the photosynthetic system may be reflected the allelopathy effect of S. cheilophila.

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备注/Memo

备注/Memo:
 收稿日期:2014-10-20修回日期:2014-12-11
基金项目:国家自然科学基金项目(30670339)。
作者简介:多杰吉,女,硕士研究生,研究方向:森林生态。E-mail:duo_jieji@126.com
*通信作者:廖超英,男,教授,博士生导师,研究方向:水土保持与荒漠化防治。E-mail:chaoying95@163.com
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