Abstract
In order to develop association studies and to improve the phenotypic description for abiotic and biotic stress related traits, nested core collections of 48, 96, 144 and 384 sunflower lines were built from a set of 752 diverse, public or private accessions. These 752 lines were been genotyped with 51 SSR markers covering the genetic map (3 markers/linkage group). We then used MSTRAT software (Gouesnard et al., 2000) to construct 4 nested core collections as follows: we built a first core with 48 public lines and a kernel of 12 selected entries, accounting for 47% of the total diversity. This short core collection was then used as a kernel to define a second core with 96 public entries, accounting for 59% of the total diversity. Finally the private entries were added to build a core collection of 144 and 384 entries, accounting for 78% and 100% of the total diversity, respectively.
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Claims 4
Claim · model-written summary
A 48-line public sunflower core with a 12-entry kernel accounted for 47% of total diversity.
Not reportedTaxon
Verbatim
e0“a first core with 48 public lines and a kernel of 12 selected entries, accounting for 47% of the total diversity.”
Claim · model-written summary
A 96-entry public sunflower core accounted for 59% of total diversity.
Not reportedTaxon
Verbatim
e0“a second core with 96 public entries, accounting for 59% of the total diversity.”
Claim · model-written summary
A 144-entry sunflower core accounted for 78% of total diversity.
Not reportedTaxon
Verbatim
e0“a core collection of 144 and 384 entries, accounting for 78% and 100% of the total diversity, respectively.”
Claim · model-written summary
A 384-entry sunflower core accounted for 100% of total diversity.
Not reportedTaxon
Verbatim
e0“a core collection of 144 and 384 entries, accounting for 78% and 100% of the total diversity, respectively.”