Abstract
With 2 figures and 1 tableAbstractPetiole colour is an important breeding objective for celery. An F2 segregation population of 185 plants was constructed from a cross between the white petiole parent ‘CE72W’ and the normal green parent ‘CE82L’ in celery. Field statistic data revealed that all F1 individuals had white petioles and the ratio of white to normal green was 3 : 1 in the F2 population. These results indicated that a dominant gene, designated Wp1, controlled the white petiole trait. Sequence‐related amplified polymorphism (SRAP) techniques combined with bulked segregant analysis were subsequently carried out in an F2 population. One hundred and thirty‐five SRAP markers were screened and tested. Only one SRAP marker (E67M59) that was tightly linked to the white petiole trait was identified and successfully converted into sequence characterized amplified region (SCAR) marker. In conclusion, this SCAR marker will facilitate the marker‐assisted selection of celery breeding and can be used for further genetic study and genetic map building.
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