Abstract
Chinese cabbage (Brassica rapa L. var. pekinensis) is an important vegetable in Asia, and most Japanese commercial cultivars of Chinese cabbage use an F1 hybrid seed production system. Self-incompatibility is successfully used for the production of F1 hybrid seeds in B. rapa vegetables to avoid contamination by non-hybrid seeds, and the strength of self-incompatibility is important for harvesting a highly pure F1 seeds. Prediction of agronomically important traits such as disease resistance based on DNA markers is useful. In this dataset, we identified the S haplotypes by DNA markers and evaluated the strength of self-incompatibility in Chinese cabbage inbred lines. The data described the predicted disease resistance to Fusarium yellows or clubroot in 22 Chinese cabbage inbred lines using gene associated or gene linked DNA markers.
Highlights
Chinese cabbage (Brassica rapa L. var. pekinensis) is an important vegetable in Asia, and most Japanese commercial cultivars of Chinese cabbage use an F1 hybrid seed production system
Prediction of agronomically important traits such as disease resistance based on DNA markers is useful
Prediction of disease resistance by DNA markers is useful for marker-assisted breeding
Summary
Raw and analyzed data Inbred lines of Chinese cabbage used in Kawamura et al [1] were used for plant materials. DNA isolated from leaves was used as PCR templates. Gene associated or linked DNA markers were tested to predict the disease resistance. The strength of self-incompatibility was calculated by the number of seeds per flower. The data is available with this article. Prediction of disease resistance by DNA markers is useful for marker-assisted breeding. Identification of the S haplotype is important for determining suitable combinations of parental lines in Brassica vegetables. The strength of self-incompatibility is an important factor for F1 seed production to avoid inbreeding seed contamination in Brassica vegetables
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