湖北农业科学 ›› 2018, Vol. 57 ›› Issue (15): 71-73.doi: 10.14088/j.cnki.issn0439-8114.2018.15.018

• 园艺·特产 • 上一篇    下一篇

60Co-γ辐射对NaCl胁迫下二月兰种子萌发的影响

董亚茹, 赵东晓, 陈传杰, 孙景诗, 杜建勋   

  1. 山东省蚕业研究所,山东 烟台 264002
  • 收稿日期:2018-02-23 出版日期:2018-08-10 发布日期:2019-12-19
  • 通讯作者: 杜建勋,(电话)13376383813(电子信箱)dujianxun1970@126.com。
  • 作者简介:董亚茹(1987-),女,山东曹县人,助理研究员,硕士,主要从事园林植物方面的研究工作,(电话)18863860806(电子信箱)dongyaru2013@126.com;
  • 基金资助:
    山东省农业科学院农业科技创新工程“海水农业关键技术”(CXGC2016B10); 山东省农业重大应用技术创新项目(2017)

Effects of 60Co-γ Radiation on Seeds Germination of Orychophragmus violaeeus under NaCl Stress

DONG Ya-ru,ZHAO Dong-xiao,CHEN Chuan-jie,SUN Jing-shi,DU Jian-xun   

  1. Sericulture Research Institute of Shandong Province,Yantai 264002,Shandong,China
  • Received:2018-02-23 Online:2018-08-10 Published:2019-12-19

摘要: 以二月兰(Orychophragmus violaeeus)种子为材料,采用室内培养皿发芽方法,分别统计其在清水和0.5% NaCl中的萌发指标并测量幼苗生长指标,以研究60Co-γ射线对二月兰种子萌发及早期幼苗生长的影响。结果表明,在0~300 Gy剂量范围内,60Co-γ辐射提高了二月兰种子的发芽率,同时降低了种子的发芽势。在水处理条件下,60Co-γ辐射对二月兰幼苗株高、根长、鲜重都有不同程度的促进作用。在0.5%NaCl处理条件下,60Co-γ辐射对二月兰幼苗的株高和鲜重产生了一定的促进作用,对根长的生长则是低浓度促进高浓度抑制。

关键词: 二月兰(Orychophragmus violaeeus), 60Co-γ射线;, 种子萌发, 生长指标

Abstract: The effects of 60Co-γ ray on the seed germination and early seedling growth ofOrychophragmus violaeeuswere studied using the method of indoor petri dish germination method,and the germination indexes in water and 0.5% NaCl were measured. The results showed that 60Co-γ radiation increased the germination rate ofOrychophragmus violaeeusseeds,and decreased the germination potential of seeds in the dose range of 0~300 Gy. Under the condition of water treatment,60Co-γ radiation had different effects on the plant height,root length and fresh weight ofOrychophragmus violaeeusseedlings. Under the condition of 0.5% NaCl treatment,60Co-γ radiation promoted the plant height and fresh weight ofOrychophragmus violaeeusseedlings,but the growth of root length was promoted at low concentration 60Co-γ radiation and inhibted at high concentration 60Co-γ radiation.

Key words: Orychophragmus violaeeus, 60Co-γ ray, seed germination, growth index

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