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Effects of dry-heat treatment at 76 degrees C on germination and vigour of radish seed

文献类型: 外文期刊

作者: Chun, MS 1 ; Ying, ZH 1 ; Hui, KX 1 ;

作者机构: 1.Beijing Vegetable Res Ctr, Beijing 100089, Peoples R China

期刊名称:SEED SCIENCE AND TECHNOLOGY ( 影响因子:0.905; 五年影响因子:0.996 )

ISSN: 0251-0952

年卷期: 2003 年 31 卷 1 期

页码:

收录情况: SCI

摘要: The effects of different dry-heat (76degreesC) treatment times (12h to 72h) and initial seed moisture contents (3.2% to 9.4%) on seed germination and seed vigour of radish (Raphanus sativus L. var, longipinnatus Bailey cv. Xin Li Mei) were studied. At 3.2% seed moisture content, germination and vigour were maintained well after 48h drying, but vigour was reduced after 60h and germination after 72h. At 9.4% seed moisture content germination fell significantly after 36h and vigour was reduced after 12h. The recommended 48h dry heat treatment at 76degreesC reduced seed quality (germination and/or vigour) for all seed moisture contents above 3.2%, these reductions increased as initial seed moisture content increased.

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