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Gene banks for wild and cultivated sunflower genetic resources

Abstract : Modern breeding of sunflower (Helianthus annuus L.), which started 100 years ago, increased the number and the diversity of cultivated forms. In addition, for more than 50 years, wild sunflower and other Helianthus species have been collected in North America where they all originated. Collections of both cultivated and wild forms are maintained in gene banks in many countries where sunflower is an important crop, with some specificity according to the availability of germplasm and to local research and breeding programmes. Cultivated material includes land races, open pollinated varieties, synthetics and inbred lines. The majority of wild accessions are ecotypes of wild Helianthus annuus, but also 52 other species of Helianthus and a few related genera. The activities of three gene banks, in USA, France and Serbia, are described in detail, supplemented by data from seven other countries. Past and future uses of the genetic resources for environmental adaptation and breeding are discussed in relation to genomic and improved phenotypic knowledge of the cultivated and wild accessions available in the gene banks.
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https://hal.inrae.fr/hal-03053994
Contributor : Nathalie Seguin <>
Submitted on : Friday, December 11, 2020 - 11:41:41 AM
Last modification on : Wednesday, May 12, 2021 - 8:17:01 AM

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Sreten Terzić, Marie-Claude Boniface, Laura Marek, Daniel Alvarez, Karin Baumann, et al.. Gene banks for wild and cultivated sunflower genetic resources. OCL Oilseeds and fats crops and lipids, EDP, 2020, 27 (9), pp.1-14. ⟨10.1051/ocl/2020004⟩. ⟨hal-03053994⟩

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