A comparison of karyotypes in two artificial reciprocal hybrids between Pogonia minor and Pogonia ophioglossoides (Orchidaceae)
スポンサーリンク
概要
- 論文の詳細を見る
Pogonia minor, P. ophioglossoides and their artificial, reciprocal F_1 hybrids made were chromosomally studied. Karyotypes of hybrids between the maternal P. minor and the paternal P. ophioglossoides were commonly 2n=18+2B, whereas those between the maternal P. ophioglossoides and the paternal P. minor were commonly 2n=18+1B. However, the karyotypes of the both reciprocal hybrids did not show any intermediate form between those of parents. All karyotypes observed in the reciprocal hybrids obtained had one submedian-centromeric chromosome with arm ratio more than 2.00 which had not been visualized in those observed in the gamete from the both parents. Triploid plant (2n=27) was spontaneously appeared in a hybrid of P. ophioglossoides and P. minor.
著者
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Kondo Katsuhiko
Laboratory Of Plant Chromosome And Gene Stock Faculty Of Science Hiroshima University
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Takahashi Chisako
Mukaishima Orchid Center
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Kondo Katsuhiko
Laboratpry Of Plant Chromosome And Gene Stock Graduate School Of Science Hiroshima University
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