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用Giemsa显带技术研究了北京所产之玉竹(Polygonatum odoratum(Mill．)Druce．)根尖
染色体，结果表明：它与Tanaka[8]所研究的P．odoratum(Mill．)var．Peuriflorum(Miq．)
Ohwi的染色体C-带带型是很不相同的。 此外，也讨论了玉竹染色体C-带带型的特征和显 带技术。
Rhizome Dormancy and Its Breaking in Polygonatum macranthum (Maxim.)Koidz
Dormancy Polygonatum macranthum
2009/7/10
The rhizomes of Polygonatum macranthum (Maxim.) Koidz. undergo a period of endodormancy after the formation of new rhizomes in summer. The decrease in the dormancy level with time and the chilling req...