MeV离子辐照拟南芥的萌发规律研究
NUCLEAR TECHNIQUES(2005)
Abstract
利用不同能量的F离子和H离子分别辐照拟南芥干种子,通过种子发芽率实验研究了低能离子生物效应与离子种类、离子能量和辐照注量之间的关系.实验结果表明,H离子的辐照效率高于F离子;F离子辐照的种子发芽率曲线,随F离子注量的增加,均呈现先下降后升高再下降的马鞍曲线形状,达到马鞍峰值需要的注量随离子能量的增加而减少.文中对上述现象的可能机理进行了讨论.
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Key words
arabidopsis thaliana seeds,germination
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