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题名: Seed storage longevity of Hosta sieboldiana (Asparagaceae)
作者: Kanazawa, Yumiko1; Xia, Ke2; Tan, Hong-yu3; Suzuki, Kojiro1
刊名: SOUTH AFRICAN JOURNAL OF BOTANY
出版日期: 2015-05-01
卷号: 98, 页码:6-9
关键词: Hosta ; Desiccation-tolerant ; Seed longevity ; Short-lived seeds ; Sub-orthodox
学科分类: Plant Sciences
DOI: 10.1016/j.sajb.2015.01.009
通讯作者: Xia,K (reprint author),Chinese Acad Sci,Kunming Inst Bot,Germplasm Bank Wild Species,Kunming 650201,Peoples R China. ; xiakk@mail.kib.ac.cn
文章类型: Article
英文摘要: Seed storage longevity of Hosta sieboldiana (Lodd.) Engler was studied. Mature and immature seeds of H. sieboldiana were stored immediately after collection at -20 degrees C and 5 degrees C with a moisture content of about 65%. In addition, the seeds were dried to either about 10% or 5% moisture content (MC) and then stored at either -20 degrees C or 5 degrees C. Seeds of H. sieboldiana were desiccation-tolerant but short-lived, with the P50 (the time required to reduce germination to half of the maximum germination) under storage conditions ranging from 0.5 to 221.9 months and 2.3 to 56.7 months for mature and immature seeds, respectively. Seed longevity of H. sieboldiana was increased by decreasing moisture content, but the responses of the seeds to temperatures were different from typical orthodox seeds. The dry seeds of H. sieboldiana (-5% to 10% MC) lost viability more quickly at -20 degrees C than at 5 degrees C. Storage allowed immature seeds to continue some maturation, but the longevity of these seeds was generally shorter than that of the mature seeds stored under the same conditions. (C) 2015 SAAB. Published by Elsevier B.V. All rights reserved.
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
关键词[WOS]: BEHAVIOR
收录类别: SCI
项目资助者: Ministry of Education, Culture, Sports, Science, and Technology of Japan ; West Light Foundation of the Chinese Academy of Sciences ; Independent Research Program of the Chinese Academy of Sciences [KSCX2-EW-J-24]
语种: 英语
WOS记录号: WOS:000353612300002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/21363
Appears in Collections:中国西南野生生物种质资源库_期刊论文

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作者单位: 1.Tokyo Univ Agr, Fac Reg Environm Sci, Setagaya Ku, Tokyo 1568502, Japan
2.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Peoples R China
3.Colorado State Univ, Dept Stat, Ft Collins, CO 80523 USA
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