NDLI: Morphological and molecular diversity of Nordic oat through one hundred years of breeding

Content Provider	Springer Nature Link
Author	Grau Nersting, Louise Bode Andersen, Sven von Bothmer, Roland Gullord, Magne Bagger Jørgensen, Rikke
Copyright Year	2006
Abstract	Genetic diversity in microsatellites and development of agronomical characters in Nordic oat cultivars (Avena sativa) from the 20th century, ranging from landraces to new cultivars, were studied. A clear development in agronomical characters has taken place in this period: Straw length has been reduced, harvest index has increased and heading date has declined. The persistent oat breeding effort in the northern part of the region was indicated by the data, since cultivars from this region showed higher harvest index. Also adaptation to shorter summers was apparent in cultivars from the most northern part of the area. When comparing cultivars released after 1940 to the landraces, the loss of diversity revealed for the agronomical characters was also indicated by the molecular data. This indicates that a more general loss of diversity has taken place in the period, possibly due to random factors during the breeding process (bottleneck effect). The reduction in diversity revealed by recent cultivars at an agronomical as well as a molecular level emphasises the importance of implementing a conservation strategy for older material in order to secure genetic diversity for future oat breeding efforts.
Starting Page	327
Ending Page	337
Page Count	11
File Format	PDF
ISSN	00142336
Journal	Euphytica
Volume Number	150
Issue Number	3
e-ISSN	15735060
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-08-10
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	agronomical characters Avena sativa diversity intensive breeding landraces microsatellites Plant Physiology Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Horticulture Agronomy and Crop Science

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Genetic diversity among Polish landraces of common oat (Avena sativa L.)

Genetic diversity among Polish landraces of common oat (Avena sativa L.)

Assessments of genetic diversity within a world collection of cultivated hexaploid oat (Avena sativa L.) based on qualitative morphological characters

Structural patterns and genetic diversity among oat (Avena) landraces assessed by microsatellite markers and morphological analysis

Continued response through seven cycles of recurrent selection for grain yield in oat (Avena sativa L.)

One hundred years of comparative genetic and physical mapping in cultivated oat (Avena sativa)

Bulk method selection with grazing treatments on segregating populations from Avena sativa × A. sterilis hybrids

Duplication assessments in Nordic Avena sativa accessions at the Canadian national genebank

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