In the published article, there was an error. In all instances, we refer the resistance gene of PI358001-1 as Xcv1, but the name should be corrected to Xcvr.
A correction has been made to the Introduction section, paragraph 1.
The sentence previously stated:
“Another identified source of resistance to Xhv race 1 strains isolated from Florida lettuce fields was the Xcv1 R-gene from L. serriola PI358001-1 (Wang et al., 2016).”
The corrected sentence appears below:
“Another identified source of resistance to Xhv race 1 strains isolated from Florida lettuce fields was the Xcvr R-gene from L. serriola PI358001-1 (Wang et al., 2016).”
A correction has been made to the Introduction section, paragraph 1.
The sentence previously stated:
“Additional races of the pathogen were designated among those Xhv strains that did not result in HR in the Xar1- or Xcv1-enconding cultivars, but instead triggered HR in either L. serriola PI491114 (designated race 2) or L. serriola ARM-09-161-10-1 (designated race 3).”
The corrected sentence appears below:
“Additional races of the pathogen were designated among those Xhv strains that did not result in HR in the Xar1- or Xcvr-encoding cultivars, but instead triggered HR in either L. serriola PI491114 (designated race 2) or L. serriola ARM-09-161-10-1 (designated race 3).”
A correction has been made to the Introduction section, paragraph 2.
The sentence previously stated:
“The results of this study corroborated previous work on Xhv diversity (Sahin et al., 2003; Fayette et al., 2016), and they found that the strains that induce HR upon injection into the Xar1- or Xcv1-encoding cultivars all belonged to sequetypes B, D, or E.”
The corrected sentence appears below:
“The results of this study corroborated previous work on Xhv diversity (Sahin et al., 2003; Fayette et al., 2016), and they found that the strains that induce HR upon injection into the Xar1- or Xcvr-encoding cultivars all belonged to sequetypes B, D, or E.”
A correction has been made to the Introduction section, paragraph 3.
The sentence previously stated:
“The presence of the R-genes Xar1 and Xcv1 in lettuce cultivars capable of HR exclusively to Xhv race 1 strains (Hayes et al., 2014; Wang et al., 2016) suggested the possibility that these strains might produce an effector that is recognized by those R-genes.”
The corrected sentence appears below:
“The presence of the R-genes Xar1 and Xcvr in lettuce cultivars capable of HR exclusively to Xhv race 1 (Hayes et al., 2014; Wang et al., 2016) suggested the possibility that Xhv race 1 might produce an effector that is recognized by those R-genes.”
A correction has been made to the Conclusion section, paragraph 3.
The sentence previously stated:
“These resistant cultivars encode R-genes Xar1 and Xcv1, which have been mapped to lettuce chromosome two, but the precise sequence has not yet been determined.”
The corrected sentence appears below:
“These resistant cultivars encode R-genes Xar1 and Xcvr, which have been mapped to lettuce chromosome two, but the precise sequence has not yet been determined.”
The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.
Publisher's note
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References
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