Abstract
Thirty sorghum accessions including 19 sweet, 10 grain and 1 wild sorghum accessions were analyzed using 63 pairs of simple sequence repeats (SSRs) which were widely distributed across the sorghum genome. Results showed that SSR markers were highly polymorphic among the sorghum collections and the average alleles per locus were 2.76 with the average of 0.487 PIC (polymorphism information content) values. The sorghum accessions in this study were unequally separated and were clustered into six groups. Sweet sorghums were scattered into four groups and were significantly separated from the wild line (group 2) and the lines from Hebei Agricultural University (group 1). The five R-lines and three B-lines were placed in groups 3 and 5 together with sweet sorghums. Groups 4 and 6 were two sweet sorghum clusters. Seven SSR markers were found related to sugar content (Brix) by multiple regression analysis. The results are informative for sweet sorghum breeding and sugar content marker-assistant selection.
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Claims 6
Claim · model-written summary
SSR markers were highly polymorphic among sorghum collections, with an average of 2.76 alleles per locus.
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“SSR markers were highly polymorphic among the sorghum collections and the average alleles per locus were 2.76”
Claim · model-written summary
The sorghum accessions were unequally separated and clustered into six groups.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The sorghum accessions in this study were unequally separated and were clustered into six groups”
Claim · model-written summary
Sweet sorghums were scattered into four groups and significantly separated from the wild line and the Hebei Agricultural University lines.
Verbatim
e4“Sweet sorghums were scattered into four groups and were significantly separated from the wild line (group 2) and the lines from Hebei Agricultural University (group 1)”
Claim · model-written summary
The five R-lines and three B-lines were placed in groups 3 and 5 together with sweet sorghums.
Verbatim
e5“The five R-lines and three B-lines were placed in groups 3 and 5 together with sweet sorghums”
Claim · model-written summary
Seven SSR markers were associated with sugar content (Brix) by multiple regression analysis.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Thirty sorghum accessions including 19 sweet, 10 grain and 1 wild sorghum accessions were analyzed using 63 pairs of simple sequence repeats (SSRs)”
e6“Seven SSR markers were found related to sugar content (Brix) by multiple regression analysis”
Claim · model-written summary
The results are informative for sweet sorghum breeding and for sugar content marker-assisted selection.
Verbatim
e7“The results are informative for sweet sorghum breeding and sugar content marker-assistant selection”