[1]张鹏翀,鲍淳松,吴恩南,等.陕西石蒜染色体核型分析[J].黑龙江农业科学,2019,(03):24-28.[doi:10.11942/j.issn1002-2767.2019.03.0024]
　ZHANG Peng-chong,BAO Chun-song,WU En-nan,et al.Karyotype Analysis in Lycoris shaanxiensis[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(03):24-28.[doi:10.11942/j.issn1002-2767.2019.03.0024]
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陕西石蒜染色体核型分析

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2019年03期 页码: 24-28 栏目: 出版日期: 2019-03-10
Title:
Karyotype Analysis in Lycoris shaanxiensis
作者:
张鹏翀1; 鲍淳松1; 吴恩南2; 高淑莹3
1.杭州植物园，浙江 杭州 310013；2.浙江西城工程设计有限公司，浙江 杭州 310000；3.杭州西湖风景名胜区钱江管理处，浙江 杭州 310013
Author(s):
ZHANG Peng-chong1; BAO Chun-song1; WU En-nan2; GAO Shu-ying3
1.Hangzhou Botanical Garden,Hangzhou 310013,China;2.Zhejiang Xicheng Engineering Design Limited Comporng,Hangzhou 310000,China; 3.Qianjiang Administrative Office of Hangzhou West Lake Scenic Area,Hangzhou 310013,China
关键词:
石蒜属; 陕西石蒜; 染色体核型
Keywords:
genus Lycoris;  L.shaanxiensis;  karyotype
DOI:
10.11942/j.issn1002-2767.2019.03.0024
文献标志码:
A
摘要:
为推断陕西石蒜的杂交起源和石蒜属种间及系统进化的关系，本文对野外采集的3个居群陕西石蒜的染色体核型进行了研究。结果表明：陕西石蒜的染色体核型为2n=30=3m+5st+22t，其中包含了3个中间着丝点染色体、5个近端着丝点染色体和22个末端着丝点染色体，这与江苏石蒜和香石蒜的染色体核型类似，表明陕西石蒜也为一个杂交起源种。根据染色体核型和野生群体分布种类的情况，推测陕西石蒜可能是中国石蒜与未减数分裂或四倍体石蒜的杂交后代。
Abstract:
To date,the karyotype of almost species of genus Lycoris have been demonstrated except L.shaanxiensis and L.guangxiensis because of the absence of type specimens in herbarium and wild plants since published.The karyotype of L.shaanxiensis form three populations in wild was reported for the first time in this paper providing evidence for the origin of L.shaanxiensis and phylogenetic relationships in this Genus.The results showed that the karyotype formulae was 2n=30=3m+5st+22t,consisting of three metacentrics,five subtelocentrics and twenty-two telocentrics,which resembles L.houdyshelii and L.incarnata indicating L.shaanxiensis was a hybrid species as well.It is inferred that L.shaanxiensis is derived from a normal gamete of L.chinensis and an unreduced gamete of diploid L.radiata or a normal gamete of tetraploid L.radiata.

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备注/Memo

收稿日期：2018-09-20

基金项目：杭州市科技发展计划项目（20152231E02）；杭州西湖风景名胜区（市园文局）科技发展计划项目（2014-002）。
第一作者简介：张鹏翀（1982-），男，硕士，高级工程师，从事石蒜属植物种质资源收集和育种、栽培等研究工作。E-mail:zhang-pengchong@163.com.

更新日期/Last Update: 2019-03-24