Genetic diversity and cytogenetic analyses in Curcuma zedoaria (Christm.) Roscoe from Bangladesh

被引：14
|
作者：
Islam, M. A.
Meister, A.
Schubert, V.
Kloppstech, K.
Esch, E.
机构：
[1] Leibniz Univ Hannover, Inst Bot, D-30419 Hannover, Germany
[2] Inst Plant Genet & Crop Plant Res, D-06466 Gatersleben, Germany
[3] Leibniz Univ Hannover, Appl Genet Sect, D-30419 Hannover, Germany
来源：
GENETIC RESOURCES AND CROP EVOLUTION | 2007年 / 54卷 / 01期
关键词：
chromosome number; Curcuma zedoaria; flow cytometry; genetic diversity; RAPD;
D O I：
10.1007/s10722-005-2639-0
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Curcuma zedoaria populations comprise 2n = 63 chromosomes with three satellite chromosomes showing elongated secondary constrictions. Flow cytometry results inferred that the 2C nuclear DNA values varied between the populations. The largest genome size was found in the population Chittagong (mean 3.37 pg) and the lowest in the Birganj population (mean 3.15 pg). RAPD based estimations of genetic diversity revealed that hilly populations maintain higher genetic diversity, which was also found to be distinct from plainland and plateauland populations. Genome sizes and genetic diversity values of the populations were positively correlated.
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收藏
页码：149 / 156
页数：8
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