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Somatic hybrids were produced between hypocotyl protoplasts of Brassica oleracea L. var. italica (broccoli) and mesophyll protoplasts of B. nigra (black mustard) using polyethylene glycol—mediated protoplast fusion. A total of fifteen somatic hybrids derived from six calli (no. 1, 3, 8, 21, 38 and 44) were obtained. Cytological analysis showed that all the(More)
Molecular markers and genetic maps play an important role in plant genomics and breeding studies. Cauliflower is an important and distinctive vegetable; however, very few molecular resources have been reported for this species. In this study, a novel, specific-locus amplified fragment (SLAF) sequencing strategy was employed for large-scale single nucleotide(More)
For camera calibration based on direct linear transformation (DLT), the camera's intrinsic and extrinsic parameters are simultaneously calibrated, which may cause coupling errors in the parameters and affect the calibration parameter accuracy. In this paper, we propose an improved direct linear transformation (IDLT) algorithm for calibration parameter(More)
Brassica nigra is generally regarded as a recalcitrant species for microspore culture among Brassica crops. Conditions for reliable induction of microspore embryogenesis of B. nigra were studied in this context. Flower bud length and microspore developmental stage were correlated with further embryogenesis. The optimal bud size range was 2.0–2.5 mm for the(More)
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