Collection of Wild Beta Species in Morocco and Spain Genetic Variation in Collected Plants

Masutani, T.; Abe, J.; Guan, G. P.; Yoshizawa, A.; Tsuge, M.; Nakano, Michiharu; Shimamoto, Yuta

doi:10.5274/jsbr.30.4.329

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“…Higher levels of genetic variation were detected by Letschert (1993) in south eastern and middle Mediterranean populations, grading to lower values in the south and north Atlantic populations. The alloyzm genetic diversity value of H e = 0.10 determined by Masutani et al (1993) for sea beet sampled in Morocco were similar to the range of H e = 0.13-0.18 estimated by Letschert (1993) for Portugal and the distribution area north of it. How and which factors shape the genetic diversity of the sea beet within a specific subregion was investigated by Fievet et al (2007) using nuclear microsatellite loci and mitochondrial minisatellite loci.…”

Section: Within Species Diversity: Wild Speciesmentioning

confidence: 70%

Conservation and Access to Sugarbeet Germplasm

Frèse

2010

Sugar Tech

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Conservation of the genetic resources of sugar beet has been considered a task of genebanks which collect, reproduce and preserve seed samples under cold storage conditions ex situ. Arguments are provided why the ex situ conservation of beet germplasm may not be fully sufficient to maintain the genetic diversity of beet genetic resources on the long run. Conservation techniques complementing the ex situ approach are outlined. Conservation and use of genetic resources of any crop is to be based on knowledge of the taxonomy, the distribution of species, the genetic relationship between species and the intraspecific diversity. The geographic structure of genetic diversity within the sugar beet genepool is determined by the reproductive system of a species as well as the environmental factors acting as selective forces upon the species within its natural distribution area. An update of the current knowledge on the taxonomy, distribution, habitat, species relationships, and intraspecific diversity is given. How users can access germplasm held in genebanks and the descriptive data linked with the accessions is described. Finally deficits in germplasm conservation and information management are addressed and suggestions for the improvement of the sugar beet genetic resources management are made.

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Section: Within Species Diversity: Wild Speciesmentioning

confidence: 70%

Conservation and Access to Sugarbeet Germplasm

Frèse

2010

Sugar Tech

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Collection of Wild Beta Species in Morocco and Spain Genetic Variation in Collected Plants

Cited by 1 publication

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Conservation and Access to Sugarbeet Germplasm

Conservation and Access to Sugarbeet Germplasm

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