Study on the Suitable Pre-treatment for Seed Germination of Iris(Iris lactea Pall. var. chinensis(Fisch.)Koidz)

doi:10.11733/j.issn.1007-0435.2009.02.025

›› 2009, Vol. 17 ›› Issue (2): 264-266.DOI: 10.11733/j.issn.1007-0435.2009.02.025

Study on the Suitable Pre-treatment for Seed Germination of Iris(Iris lactea Pall. var. chinensis(Fisch.)Koidz)

WANG Yong-chun¹, SUN Qun¹, DING Zi-mian², WANG Jian-hua¹, SUN Bao-qi¹

1. Department of Plant Genetics and Breeding, College of Agronomy and Biotechnology/Key Laboratory of Crop Genomics and Genetic Improvement of Ministry of Agriculture/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, Beijing, 100193, China;
2. Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100193, China

Received:2008-10-29 Revised:2008-12-29 Online:2009-04-15 Published:2009-04-15

促进马蔺种子萌发的前处理方法探讨(简报)

王永春¹, 孙群¹, 丁自勉², 王建华¹, 孙宝启¹

1. 中国农业大学农学与生物技术学院植物遗传与育种系/农业部基因组学与遗传改良重点实验室/北京市作物遗, 传改良重点实验室, 北京, 100193;
2. 中国医学科学院中国协和医科大学药用植物研究所, 北京, 100193

通讯作者: 孙群, E-mail:sqcau@126.com
作者简介:王永春(1982- ), 江苏盐城人, 硕士研究生, 研究方向为药用植物种子生物学
基金资助:
国家科技攻关课题(2001BA701A59);国家科技支撑计划(2006BA106A15)

Abstract

Key words: Iris lactea Pall.var.chinensis(Fish)Koidz, Dormancy, Stratification

摘要： 马蔺(Iris lacteaPall.var.chinensis(Fisch.)Koidz)别名马莲、马兰、马兰花,是鸢尾科鸢尾属多年生宿根草本植物,根、花、种子均可入药^[1]。该种分布于内蒙古、宁夏、青海、西藏等20多个省区,生长于荒地路旁、山坡草丛、盐碱草甸中,耐盐碱,耐践踏,根系发达,可用于水土保持,盐碱地、工业废弃地改造和园林绿化等^[2,3]。马蔺种子具有很深的休眠,在人工栽培过程中,存在着当年播种出苗率低的现象,次年出苗率也不足30%^[4]。关于破除马蔺种子休眠的研究报道很多,但是最终发芽率均不高^[5],或者虽然得到了较高萌发率,但需要时间较长^[6],李苗等^[5]通过物理、药剂以及低温层积处理的单一或综合处理方法处理马蔺种子,得到的最高发芽率为14%,郭瑛等^[6]对马蔺自然萌发试验表明其种子播种经过10个月的发芽率才达到73%,李志武^[4]等研究发现,拌雪埋藏30d可使马蔺种子的发芽率达到83%-87%,但该处理方法只在常年积雪的地区才具有实意义。为了有效地破除马蔺种子休眠,促进其迅速、整齐地萌发,本文比较了机械破除种皮、酸蚀、层积等处理效果,探索可促进马蔺种子萌发的前处理方法。

关键词: 马蔺, 休眠, 层积

CLC Number:

Q945.65

WANG Yong-chun, SUN Qun, DING Zi-mian, WANG Jian-hua, SUN Bao-qi. Study on the Suitable Pre-treatment for Seed Germination of Iris(Iris lactea Pall. var. chinensis(Fisch.)Koidz)[J]. , 2009, 17(2): 264-266.

王永春, 孙群, 丁自勉, 王建华, 孙宝启. 促进马蔺种子萌发的前处理方法探讨(简报)[J]. , 2009, 17(2): 264-266.

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Study on the Suitable Pre-treatment for Seed Germination of Iris(Iris lactea Pall. var. chinensis(Fisch.)Koidz)

促进马蔺种子萌发的前处理方法探讨(简报)

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