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作物学报 ›› 1984, Vol. 10 ›› Issue (03): 195-200.

• 研究论文 • 上一篇    下一篇

杂交水稻汕优2号及其父本IR24叶片衰老的研究

陈光仪   

  1. 中山大学生物系
  • 收稿日期:1984-02-03 修回日期:1984-06-07 出版日期:1984-09-12 网络出版日期:1984-09-12

STUDIES ON LEAF SENESCENCE IN THE HYBRID RICE SHANYOU-2 AND ITS PARENTS IR_(24)

Chen Guangyi, Huang Shangzhi, He Shuhua, Liu Ruiju   

  1. Department of Biology; Zhongshan University
  • Received:1984-02-03 Revised:1984-06-07 Published:1984-09-12 Published online:1984-09-12

摘要: 将杂交水稻汕优2号及其父本 IR24与桂朝2号的叶片进行衰老处理后,表明汕优2号的叶绿素和可溶蛋白质的降解及细胞膜透性增加的速度均快于IR24和桂朝2号。过氧化物酶活性和呼吸强度增加的幅度也较大。反映了汕优2号具有衰老速度快的特征。在衰老处理后的1~2天,乙烯释放量和过氧化物酶活性增加几乎是同时进行的,随后出现一个呼

Abstract: The chlorophyll content,protein level,peroxidase activity,respira-tion rate,cell permeability and ethylene evolution level during leaf sen-escence phase were evaluated in hybrid rice F_1 shanyou-2 seedling toga-ther with its parents IR24 and the improved rice variety Guichao-2.Sha-nyou-2 had higher

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