Developmental processes of achlorophyllous orchid, Epipogium roseum:: from seed germination to flowering under symbiotic cultivation with mycorrhizal fungus
Developmental processes of achlorophyllous orchid, Epipogium roseum:: from seed germination to flowering under symbiotic cultivation with mycorrhizal fungus
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DOI：
10.1007/s10265-006-0044-1
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发表时间：
2007-03-01
影响因子：
2.8
通讯作者：
Iwase, Koji
中科院分区：
文献类型：
--
作者：
Yagame, Takahiro;Yamato, Masahide;Iwase, Koji
我们已经实现了一种明显无叶绿素兰花 Epipogium Roseum Lindl. 与从该兰花地下器官中分离出的菌根真菌的共生栽培。尽管种子发芽率极低，但在含有火山土和锯末的培养基中诱导了从原球茎到开花的后续生长。每个原球茎均长出匍匐茎，在匍匐茎上按一定间隔形成根状茎。一些根茎发育成珊瑚状，块茎由珊瑚状根茎形成。珊瑚状根茎随着块茎的成熟而退化。种子播种后六个月，单个原球茎长出约 80 个块茎。每个大块茎都出现花序，并在其中一个块茎中观察到开花的过程。因此，这项研究清楚地揭示了玫瑰色桉从种子到开花的发育过程。
We have achieved the symbiotic cultivation of an apparently achlorophyllous orchid, Epipogium roseum Lindl., with a mycorrhizal fungus isolated from an underground organ of this orchid. Although the seed germination rate was extremely low, subsequent growth from protocorm to flowering was induced in a medium containing volcanic soils and sawdust. Stolons elongated from each protocorm, and rhizomes were formed at certain intervals on the stolons. Some of the rhizomes developed into a coralloid form, and tubers were formed from the coralloid rhizomes. The coralloid rhizomes degenerated concurrently with maturation of the tubers. Six months after seed sowing, around 80 tubers were produced from a single protocorm. An inflorescence appeared from each of the large tubers, and the process to flowering was observed in one of these. Consequently, the developmental processes from seed to flowering in E. roseum was clearly revealed in this study.