Abstract
AbstractAlloplasmic forms of the cultivated carrot, Daucus carota sativus Hoffm., were created by substitution backcrosses. The wild Daucus forms D. muricatus L., D. gingidium L., D. c. gummifer Hook, and D. c. libanotifolia Wiinst. were used as cytoplasm donors. In the first two backcross generations disturbances in fertility and plant physiology did not occur. The plants of the generations BC2F2 and BC2F3 look like cultivated carrots.The alloplasmic forms were compared with cultivars for economic traits such as yield and yield components. The high content of total sugar in the alloplasmic forms was considerable. A new type of male sterility was found and described in a BC3F2 generation of the cross D. c. gummifer× D. c. sativus. Results of RFLP‐analyses of mt‐DNA and cp‐DNA were discussed.
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