Improving germination and vigour of aged and stored onion seeds by matriconditioning

被引：4
|
作者：
Szafirowska, A
Grzesik, M
Habdas, H
Staniaszek, M
机构：
[1] Institute of Vegetable Crops, 96-100 Skierniewice
[2] Institute of Pomology and Floriculture, 96-100 Skierniewice
来源：
ACTA PHYSIOLOGIAE PLANTARUM | 2002年 / 24卷 / 02期
关键词：
ageing; ethylene; matriconditioning; onion; ACC oxidase; seeds; storage;
D O I：
10.1007/s11738-002-0008-6
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Germination and vigour of accelerated aged (AA) and naturally stored onion seeds were examined. Accelerated ageing was conducted at 40degreesC and 100 % relative humidity (RH). Non aged seeds were stored for 34 months at 3 or 15 degreesC and 40, 60 or 90 % RH. To restore seed viability, stored and aged seeds were matriconditioned with Micro-Cel E. A distinct loss of germination was observed after 5 days of accelerated ageing. Naturally stored seeds maintained high viability for 34 months, when stored at 3 C and 40, 60 and 90 % RH or at 15 degreesC and 40 %. An increase of RH to 60 and 90 % at 15 C caused loss of germination and vigour. Matriconditioning improved germination and increased endogenic ethylene release and in vivo ACC oxidase activity of both aged and stored seeds.
引用
收藏
页码：167 / 171
页数：5
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