[1]翟德苹,陈林,杨新国,等.苜蓿不同器官水浸提液对中间锦鸡儿种子萌发的影响[J].水土保持研究,2014,21(04):59-63.
　ZHAI De-ping,CHEN Lin,YANG Xin-guo,et al.Allelopathic Effects of Aqueous Extracts from Alfalfa on Caragana intermedia Seed Germination[J].Research of Soil and Water Conservation,2014,21(04):59-63.
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苜蓿不同器官水浸提液对中间锦鸡儿种子萌发的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年04期 页码: 59-63 栏目: 出版日期: 2014-08-28
Title:
Allelopathic Effects of Aqueous Extracts from Alfalfa on Caragana intermedia Seed Germination
作者:
翟德苹1, 陈林1, 杨新国1, 宋乃平1, 蒋齐2
1. 宁夏大学 西北退化生态系统恢复与重建教育部重点实验室 西北土地退化与生态恢复省部共建国家重点实验室 培育基地 西部生态与生物资源开发联合研究中心, 银川 750021;
2. 宁夏农林科学院 荒漠化治理研究所, 银川 750002
Author(s):
ZHAI De-ping1, CHEN Lin1, YANG Xin-guo1, SONG Nai-ping1, JIANG Qi2
1. Breeding Base for State Key Laboratory of Land Degradation and Ecological Restoration of Northwestern China, Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwest China, Ministry of Education, Union Research Center for Ecology and Exploitation of Biological Resources in Western China, Ningxia University, Yinchuan 750021, China;
2. Institute of Desertification Control, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China
关键词:
苜蓿; 中间锦鸡儿; 化感作用; 种子萌发
Keywords:
Caragana intermedia; alfalfa; allelopathy; seed germination
分类号:
S181;S146+.1
摘要:
为了探讨苜蓿不同器官水浸提液对中间锦鸡儿种子萌发的化感影响，采用生物测定法，研究了苜蓿根、茎叶不同浓度水浸提液（0.5，1.0，5.0，10.0，25.0 mg/ml）对中间锦鸡儿种子萌发及幼苗生长的化感作用。结果表明，苜蓿不同器官水浸提液对中间锦鸡儿种子萌发有明显的抑制作用，随着苜蓿各器官水浸提液浓度的增加，抑制作用增强。相同浓度下根水浸提液对中间锦鸡儿种子萌发的抑制作用大于茎叶水浸提液。当苜蓿各器官水浸提液为1.0 mg/ml浓度时，中间锦鸡儿幼苗的胚根长、胚轴长、苗高均高于对照；而在25.0 mg/ml浓度时，各器官水浸提液对幼苗则表现出显著的抑制作用（P < 0.05）。本文通过研究苜蓿和中间锦鸡儿的化感作用，以期为人工建置灌草间作提供理论基础。
Abstract:
In order to investigate allelopathic effects of aqueous extracts from different organs of alfalfa on seed germination of Caragana intermedia, the allelopathic effects of aqueous extracts with a range of concentrations of 0.5, 1.0, 10.0 and 25.0 mg/ml from root, stem and leaf of alfalfa on seed germination and seeding growth of Caragana intermedia were studied by method of bioassay. The results showed that aqueous extracts from different organs of alfalfa had inhibition effect on seed germination of Caragana intermedia, the inhibition effect increased with the concentration increase of aqueous extracts. The inhibitory potency of aqueous extracts from root was stronger than those form stem and leaf at the same concentration level. When all aqueous extracts of alfalfa were the concentration of 1.0 mg/ml, the radicle length, hypocotyl length and height of Caragana intermedia seeding were stronger than those of control; while the aqueous extracts of alfalfa were the concentration of 25.0 mg/ml, aqueous extracts from different organs had obvious inhibition effect on the seeding (P < 0.05). This study could offer theoretical basis for establishing artificial shrub-grass intercrop system through researching the allelopathic effects between alfalfa and Caragana intermedia.

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备注/Memo

收稿日期:2014-01-14;改回日期:2014-02-25。
基金项目:宁夏高校科学研究项目“人工林草带状复合系统中化感作用研究”（NGY2013027）
作者简介:翟德苹(1989-),女,山东泰安人,在读硕士生,研究方向为植物生态学。E-mail:czhai0320hello@163.com
通讯作者:宋乃平(1963-),男,陕西省扶风县人,教授,博士生导师,主要从事土地利用变化与生态过程研究。E-mail:songnp@163.com

更新日期/Last Update: 1900-01-01