稀土Nd^(3+)和牛蒡低聚果糖对当归种子萌发的影响

Effect of Nd^(3+) and Burdock Oligosaccharide on the Germination Power ofAngelica sinensis Seeds

探讨当归种子的萌发特性,为当归引种栽培生产提供技术指标。以发芽率和发芽动态为指标,通过不同温度、不同浓度Nd3+、不同浓度牛蒡低聚果糖处理当归种子。结果表明:当归种子萌发的最适温是20～25℃,不同浓度的Nd3+溶液对当归种子萌发都具有促进作用,Nd3+的最适浓度是80mg/L;牛蒡低度聚果糖溶液对当归种子萌发的影响表现为高浓度抑制,低浓度具有促进作用,牛蒡低聚果糖的最适浓度是1g/L。稀土Nd3+和牛蒡低聚果糖均能提高当归种子的发芽率,二者对当归引种栽培生产具有潜在的应用前景。

To solve the problem of the technology of Angelica sinensis in introduction and cultivation. The effects of different temperatures, Nd3＋ and Burdock oligosaccharide （BOS） on germination rate were studied. The results showed that the germination rate of Angelica sinensis seeds was highest at 25-28℃ ; different concentration of Nd3＋ promoted the germination rate of seed respectively, the optimum concentration of Nd3＋ was 80 mg/L; the low concentration of BOS promoted the germination rate of seed, but the high concentration of BOS inhibited the germination of seed, the optimum concentration of BOS was 1 g/L. We conclude that Nd3＋ and BOS can promote the germination rate of Angelica sinensis seeds. Both of Nd3＋and BOS on increasing the germination rate of Angelica sinensis seeds may be applied in introduction and cultivation Angelica sinensis in future.