摘要
种子辐射诱导发光随时间的延长，发光强度及发光强度的衰减速度逐渐降低．发光强度的衰减规律接近二级动力学反应规律．每粒种子吸收单位剂量辐射所产生的诱导发光强度及浸种初期的发光强度与幼苗的相对苗高之间具有显著的相关关系，这说明辐射敏感性高的种子吸收单位剂量在单粒种子内产生的诱导发光强度也高．辐照种子发芽后的发光强度比未辐照种子低．
The intensity of seeds luminescenceinduced by γ radiation and its decay speedboth decrease gradually after the seed havebeen irradiated.The decay rule of the lumi-nescence intensity follow nearly the second or-der reaction dynamics rule. The perseed lumi-nescence induced by perdose correlate signifi-cantly with the seedling relative height,andthe perseed or pergram seed luminescence atthe soaking begining time correlate extremelysignificantly or significantly with the seedlingrelative height,these suggest that the higherradiosesitivity of the seed the higher intensityof seed luminescence induced byγradiation.After germinating,the luminescence intensityof the irradiated seed is lower than that of theno-irradiated seed, the is because of the radi-ation inhibit the seedling growth.
出处
《生物化学与生物物理进展》
SCIE
CAS
CSCD
北大核心
1995年第3期244-249,共6页
Progress In Biochemistry and Biophysics
关键词
辐射诱导发光
辐射敏感性
Γ射线
种子
radiation induced luminescence,radiosesitivity,γ-ray,seed
