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题名: Dormancy, germination and storage of Magnolia ingrata seeds
作者: Han, C. Y.1, 2; Long, C. L.1, 3
刊名: SEED SCIENCE AND TECHNOLOGY
英文摘要: Magnolia ingrata is an endangered species in China. Freshly matured seeds of M. ingrata had an underdeveloped embryo, which grew during cold stratification at 4 degrees C. Both cold stratification and GA(3) overcame dormancy of M. Ingrata seeds. Thus. M. ingrata seeds have intermediate complex morphophysioloeical dormancy at maturity. Since seeds came out of dormancy after after-ripening for 100 d at 4 degrees C. the physiological component of morphophysiological dormancy is non-deep. The initial moisture content of M. ingrata seeds was 29.5%. Most seeds (86.1 %) tolerated desiccation to 17.2% moisture content while more than 70% of seeds lost viability when dried to 15.3% moisture content. Therefore, storage behaviour of M. ingrata seed is recalcitrant. All seeds died after storage for 100 d at -20 degrees C while seed viability was effectively maintained at 4 degrees C.
出版日期: 2010
卷号: 38, 期号:1, 页码:252-256
语种: 英语
ISSN号: 0251-0952
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/14069
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Minzu Univ China, Dept Life & Environm Sci, Beijing 100081, Peoples R China

Recommended Citation:
Han, CY; Long, CL.Dormancy, germination and storage of Magnolia ingrata seeds,SEED SCIENCE AND TECHNOLOGY,2010,38(1):252-256
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