| 张 磊，邱黛玉，杨椿晨，等.大蒜根系分泌物对当归种子萌发及幼苗生长的影响[J].广东农业科学,2015,42(7):-22 |
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大蒜根系分泌物对当归种子萌发及幼苗生长的影响 |
| Impacts of garlic root exudates on germination and seedling growth of Angelica sinensis |
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| DOI： |
| 中文关键词: ：当归 大蒜 根系分泌物 种子萌发 幼苗生长 |
| 英文关键词: Angelica sinensis garlic root exudates seed germination seedling growth |
| 基金项目: |
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| 摘要点击次数: 1779 |
| 全文下载次数: 916 |
| 中文摘要: |
| ：用大蒜根系分泌物对当归种子进行处理，研究不同浓度大蒜根系分泌物对当归种子萌发及幼苗生长
的影响。结果表明，随着浓度提高，大蒜根系分泌物对当归种子的发芽势、发芽率和发芽指数均呈现出先增加后降
低的促进提高作用，且低浓度（0.2…mg/mL）的促进效果显著，其中经 0.2…mg/mL 大蒜根系分泌物处理的当归发芽
种子中α-淀粉酶活性极显著高于对照；低浓度（0.1~0.2…mg/mL）大蒜根系分泌物处理促进了当归幼苗中可溶性
糖积累和根冠比的提高，且未对当归幼苗细胞造成明显的损伤。说明低浓度大蒜根系分泌物（0.2…mg/mL）可有效
提高当归种子的萌发能力和发芽水平，促进当归幼苗叶片糖分积累，有效提高幼苗的抗性，形成壮苗，为当归优质
高产奠定基础。 |
| 英文摘要: |
| Angelica sinensis seeds were treated with different concentrations of garlic root exudates，to study
the effects of garlic root exudates on seed germination and seedling growth of A. sinensis. The results showed that the
promotion effect of garlic root exudates on germination rate，germination potential and germination index increased first
and then declined，and the promotion effect was significant at low concentration（0.2 mg/mL）. α-amylase activity of
germinating seeds treated by 0.2 mg/mL garlic root exudates was significantly higher than that of control group. Low
concentration treatment（0.1-0.2 mg/mL）promoted the accumulation of soluble sugar in A. sinensis seedlings，increased
root-crown ratio and didn’t cause significant damage to seedling cells. The results indicated that garlic root exudates with
low concentration（0.2 mg/mL）could effectively improve the seed germination，promote sugar accumulation in seedling
leaves，improve the resistance of seedlings so as to form strong seedlings and lay the foundation for good quality and high
production of A. sinensis. |
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