Mapping of chromosome loci determined manifestation of morphological and biochemical traits of quality in Brassica rapa L. crops

Mapping of chromosome loci determined manifestation of morphological and biochemical traits of... Mapping chromosomal loci responsible for seven morphological and five biochemical traits of quality in populations of doubled haploid lines of leafy, rooted, and oilseed crops of Brassica rapa L. species was performed for the first time. In total, 140 quantitative trait loci (QTLs) were mapped determining manifestation of the studied morphological and biochemical economically important traits of quality under field and greenhouse conditions; the control of the same traits under different growth conditions or simultaneous control of several traits by one locus were noted. Molecular markers genetically linked with the selected QTLs were detected. The block genomic structure of the genetic components (chromosomal loci and linkage groups) determining manifestation of morphological and biochemical traits of quality that make B. rapa plants nutritionally valuable is discussed for the first time. The conclusion is drawn that the revealed QTLs and identified molecular markers may be of interest for the forthcoming study of genetic control by them of economically important characters and for the marker assisted selection in B. rapa. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Mapping of chromosome loci determined manifestation of morphological and biochemical traits of quality in Brassica rapa L. crops

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Publisher
Pleiades Publishing
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443716020047
Publisher site
See Article on Publisher Site

Abstract

Mapping chromosomal loci responsible for seven morphological and five biochemical traits of quality in populations of doubled haploid lines of leafy, rooted, and oilseed crops of Brassica rapa L. species was performed for the first time. In total, 140 quantitative trait loci (QTLs) were mapped determining manifestation of the studied morphological and biochemical economically important traits of quality under field and greenhouse conditions; the control of the same traits under different growth conditions or simultaneous control of several traits by one locus were noted. Molecular markers genetically linked with the selected QTLs were detected. The block genomic structure of the genetic components (chromosomal loci and linkage groups) determining manifestation of morphological and biochemical traits of quality that make B. rapa plants nutritionally valuable is discussed for the first time. The conclusion is drawn that the revealed QTLs and identified molecular markers may be of interest for the forthcoming study of genetic control by them of economically important characters and for the marker assisted selection in B. rapa.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Apr 1, 2016

References

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