|Table of Contents|

Karyotype Analysis of Six Cultivars of Lonicera japonica Thunb(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年06
Page:
103-107
Research Field:
Publishing date:

Info

Title:
Karyotype Analysis of Six Cultivars of Lonicera japonica Thunb
Author(s):
ZHANG LipengJIA ShuhangXU ZhongkaiZHU ZhefanLUO SiCHEN Chengbin
(College of Life Sciences,Nankai University,Tianjin 300071)
Keywords:
Lonicera japonica Thunbchromosome preparationkaryotype analysis
PACS:
-
DOI:
10.11937/bfyy.201706024
Abstract:
Stem tips of six kinds of honeysuckle were used as explants,the traditional squashing method was used to prepare mitotic chromosome sample in order to supply cytological base for cultivation breeding.The results showed that the basic number of chromosome was x=9.‘Jiufeng 1’was autotetraploid by doubling ‘Damaohua’ genome,so its karyotype formula was 2n=4x=36=4m+24sm+8st(3SAT),which belonged to 3A type.The others were all diploid.‘Xiaojizhua’ was 2n=2x=18=4m+8sm+6st(2SAT),3A type.‘Jizhuahua’ was 2n=2x=18=2m+8sm+8st(4SAT),3B type.‘Damaohua’ was 2n=2x=18=2m+14sm+2st,3A type.‘Sijijinyinhua’ was 2n=2x=18=2m+10sm+6st(4SAT),3A type.And Lonicera hypoglanca Thunb was 2n=2x=18=4m+14sm,2A type.Their index of asymmetric was demonstrated that Lonicera hypoglanca was the most primitive evolution.The genetic relationships of ‘Xiaojizhua’‘Jiufeng 1’‘Damaohua’ and ‘Sijijinyinhua’ were relatively closed,they all belonged to 3A type.

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Last Update: 2017-04-01