Korean Journal of Breeding Science :eISSN 2287-5174 / pISSN 0250-3360

Table. 1.

Karyotypic characteristics and karyotype asymmetry assessment for different accessions of B. rapa, B. nigra, and B. oleracea.

Taxa IT
No.z
Place of origin 2n KFy CSVx (µm) hclw (µm) CSv Inter- and Intrachromosomal indices
A2u CVCLt S/AIs TF%r Aq MCAp
B. rapa subsp. pekinensis 032747 Korea 20 12m+8sm+2st 5.4-11.2 81 2 0.24 23.6 1.5 36.9 0.28 28.5
B. campestris var. rapifera 108867 Korea 20 12m+6sm+2st 4.3-8.9 60.8 2 0.20 20.29 1.5 38.2 0.25 28.9
B. rapa var. perviridis 112272 Japan 20 12m+6sm+2st 4.4-9.4 65.7 3 0.16 16.23 1.5 35.8 0.29 29.24
B. rapa subsp. rapa 175952 Korea 20 12m+6sm+2st 4.7-10 70.2 2 0.15 14.7 1.5 36.7 0.28 27.7
B. rapa var. chinensis 185735 Korea 20 12m+6sm+2st 4.6-11.2 64.3 3 0.21 20.9 1.5 37.2 0.26 27.4
B. rapa subsp. narinosa 221794 Japan 20 12m+6sm+2st 5.3-11.1 64.9 4 0.18 17.9 1.5 37 0.27 27.2
B. rapa subsp. oleifera 223924 Italy 20 12m+6sm+2st 6-11.8 81.4 4 0.17 17.3 1.5 36 0.30 29.8
B. rapa var. narinosa 293391 China 20 12m+6sm+2st 5.1-11.8 78 3 0.21 21.1 1.5 35.6 0.31 31
Mean 0.19 19 1.5 36.7 0.28 28.7
B. nigra 305656 Germany 16 10m+6sm 3.7-5.8 36.5 0 0.08 7.88 1.4 37.6 0.23 22.8
B. nigra 305086 Germany 16 10m+6sm 3.3-4.7 32.2 2 0.10 10.14 1.4 39 0.22 22.4
B. nigra 279264 UK 16 10m+6sm 4.2-5.7 39 0 0.06 6.34 1.4 38.9 0.22 22.4
B. nigra 279261 Italy 16 10m+6sm 3-4.8 30 0 0.10 10.2 1.4 38.3 0.23 23.1
B. nigra 279259 Pakistan 16 10m+6sm 4.2-5.9 40.3 0 0.07 7.21 1.4 38.2 0.23 23.4
B. nigra 279258 India 16 10m+6sm 3.8-5.2 40 1 0.09 9.2 1.4 38.2 0.23 23.5
B. nigra 279253 Ethiopia 16 10m+6sm 2.8-4.5 28 2 0.11 10.5 1.4 39.4 0.21 21
B. nigra 279251 Pakistan 16 10m+6sm 2.8-4.1 26 2 0.09 8.51 1.4 38 0.24 24
Mean 0.09 8.75 1.4 38.5 0.22 22.8
B. oleracea var. capitata 136508 India 18 10m+8sm 4.2-7.8 48.3 0 0.11 10.9 1.4 40 0.21 21
B. oleracea var. capitata 180722 Egypt 18 10m+8sm 3-4 32 0 0.07 7.28 1.4 39 0.23 23
B. oleracea var. capitata 188172 Tanzania 18 10m+8sm 3-4.6 32 0 0.09 9.08 1.4 38.9 0.22 22
B. oleracea var. capitata 206707 Uzbekistan 18 10m+8sm 3.3-4.5 34 0 0.27 7.37 1.4 37 0.27 27
B. oleracea var. gemmifera 267606 UK 18 10m+8sm 4.2-6.6 46.1 0 0.09 8.70 1.4 37 0.26 26
B. oleracea var. gongylodes 257512 Japan 18 10m+8sm 3.6-5.3 39 1 0.09 8.8 1.4 37.5 0.25 25
B. oleracea var. alboglabra 210060 Thailand 18 10m+8sm 3-4.9 32 1 0.11 10.6 1.4 37.1 0.25 25
B. oleracea var. alboglabra 278477 Netherlands 18 10m+8sm 3-4.1 31 0 0.08 7.8 1.4 39 0.23 23
B. oleracea var. alboglabra 278479 Netherlands 18 10m+8sm 3-5.4 36.1 0 0.12 12.3 1.4 37 0.25 28
Mean 0.11 9.2 1.4 38 0.24 24.4

zThe seeds and IT no. used in this study were obtained from the National Agrobiodiversity Center, Korea., yKF: Karyotype Formula, xCSV: Chromosome Size Variation, whcl: total sum of haploid chromosome length, vCS: Colocalized rDNA Site pair, uA2 index (Zarco 1986), tCVCL (Lavania & Srivastava 1992, Paszko 2006, Watanabe et al. 1999), sS/A1 (Eroğlu 2015), rTF% (Huziwara 1962), qA (Watanabe et al. 1999), pMCA (Peruzzi & Eroğlu 2013).

Korean J. Breed. Sci. 2021;53:206-16 https://doi.org/10.9787/KJBS.2021.53.3.206
© 2021 Korean J. Breed. Sci.