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Wang Xiaolan, Li Maoxue. OBSERVATION OF CHROMOSOMES ON 10 COMPOSITAE SPECIES[J]. Plant Science Journal, 1987, 5(2): 111-118.
Citation: Wang Xiaolan, Li Maoxue. OBSERVATION OF CHROMOSOMES ON 10 COMPOSITAE SPECIES[J]. Plant Science Journal, 1987, 5(2): 111-118.
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OBSERVATION OF CHROMOSOMES ON 10 COMPOSITAE SPECIES

  • 1.

    Research Laboratory of Landscape Plants, Beijing Forestry University

  • 2.

    Department of Biology, Beijing University

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  • Received Date: December 27, 1985
  • Revised Date: December 31, 1899
  • Published Date: June 23, 1987
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  • This paper reports the chromosome numbers of 10 species of Compositae and the karyotypes of 8 of them They are: Callistephus chinensis 2n=18=18m(4SAT); Helichrysum bracteatum 2n=24=18+6sm;Coreopsis tinctoria 2n=24=16+8sm(2SAT); Rudbechia hirta 2n=76;Tithonia diversifolia 2n=34=24m(4SAT)+10sm(2SAT); Dahlia pinnata 2n=64; Cosmos sulphureus 2n=24=2sm+22st; Tagetes erecta 2n=24=6sm+16st(2SAT)+2t; Gaillardia pulchella 2n=34=22m+12sm;Gentaurea cyanus 2n=24=2sm+16st+6t(2SAT).
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