Dormancy, germination and storage of Magnolia ingrata seeds
Han, C. Y.1,2; Long, C. L.1,3
2010
发表期刊SEED SCIENCE AND TECHNOLOGY
ISSN0251-0952
卷号38期号:1页码:252-256
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.
资助信息This study was supported by the Ministry of Science and Technology of China (2008FY110400-2-2 and 2005DKA21006) and the Ministry of Education of China through its 111 and 985 projects (B08044 and MUC 985-3-3). The authors thank Kelly Gleason from the University of Florida who helped to edit the English.
学科领域Agronomy ; Plant Sciences ; Horticulture
收录类别SCI
语种英语
WOS研究方向Agriculture ; Plant Sciences
WOS类目Agronomy ; Plant Sciences ; Horticulture
WOS记录号WOS:000276490900028
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/14069
专题资源植物与生物技术所级重点实验室
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
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Han, C. Y.,Long, C. L.. Dormancy, germination and storage of Magnolia ingrata seeds[J]. SEED SCIENCE AND TECHNOLOGY,2010,38(1):252-256.
APA Han, C. Y.,&Long, C. L..(2010).Dormancy, germination and storage of Magnolia ingrata seeds.SEED SCIENCE AND TECHNOLOGY,38(1),252-256.
MLA Han, C. Y.,et al."Dormancy, germination and storage of Magnolia ingrata seeds".SEED SCIENCE AND TECHNOLOGY 38.1(2010):252-256.
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