不同剂量中子辐射胡麻种子的M<sub>1</sub>和M<sub>2</sub>代生物学效应研究

徐大鹏; 姚泽恩; 尹永智; 冯虎元

doi:10.11889/j.0253-3219.2017.hjs.40.020203

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不同剂量中子辐射胡麻种子的M₁和M₂代生物学效应研究

低能加速器技术、射线技术及应用 | 更新时间：2021-05-19

- 不同剂量中子辐射胡麻种子的M₁和M₂代生物学效应研究
- Study on M₁ and M₂ generation effect of different dosages of neutron radiation on flax seed
- 核技术 2017年40卷第2期文章编号：020203
- 作者机构：
  
  1.兰州大学核科学与技术学院兰州 730000
  2.兰州大学生命科学学院兰州 730000
  3.兰州大学教育部中子应用技术工程研究中心兰州 730000
- 作者简介：
  
  [ "徐大鹏, 男, 1979年出生, 2011年于兰州大学获硕士学位, 从事中子辐射剂量与生物学效应研究", "XU Dapeng, male, born in 1979, graduated from Lanzhou University with a master's degree in 2011, focusing on correlations study on neutron radiation dose and biological effects" ]
- 基金信息：
  
  国家重点基础研究发展计划(2012CB026105);国家自然科学基金(11675069);兰州大学中央高校基本科研业务费专项资金(lzujbky-2016-bt08);兰州大学中央高校基本科研业务费专项资金(lzujbky-2015-bt07)
- DOI：10.11889/j.0253-3219.2017.hjs.40.020203
  中图分类号： TL99;Q691.6;O571.56;S124.1
- 收稿日期：2016-10-08，
  
  修回日期：2016-12-10，
  
  纸质出版日期：2017-02-10
- 稿件说明：
移动端阅览
徐大鹏, 姚泽恩, 尹永智, 等. 不同剂量中子辐射胡麻种子的M₁和M₂代生物学效应研究[J]. 核技术, 2017,40(2):020203

Dapeng XU, Zeen YAO, Yongzhi YIN, et al. Study on M₁ and M₂ generation effect of different dosages of neutron radiation on flax seed[J]. Nuclear techniques, 2017, 40(2): 020203
徐大鹏, 姚泽恩, 尹永智, 等. 不同剂量中子辐射胡麻种子的M₁和M₂代生物学效应研究[J]. 核技术, 2017,40(2):020203 DOI： 10.11889/j.0253-3219.2017.hjs.40.020203.

Dapeng XU, Zeen YAO, Yongzhi YIN, et al. Study on M₁ and M₂ generation effect of different dosages of neutron radiation on flax seed[J]. Nuclear techniques, 2017, 40(2): 020203 DOI： 10.11889/j.0253-3219.2017.hjs.40.020203.

摘要

利用

252

Cf源发射的中子对胡麻（

Linum usitatissimum

L.）干种子进行辐射，研究了在不同中子吸收剂量情况下，胡麻M

和M

代生长期性状产生的辐射生物效应。结果表明，辐射生物效应与中子剂量之间存在着关联，较低剂量（2.55 Gy和4.33 Gy）的中子辐射对M

代胡麻苗期株高的生长有显著的促进作用；低剂量（0.24-4.33Gy）的中子辐射具有促使M

和M

代胡麻侧芽发生的效应，且存在最佳促进剂量。胡麻M

和M

代所产生的辐射生物效应之间存在着差异，较低剂量（1.12-4.33 Gy）的中子辐射可以促进M

代胡麻出苗而抑制M

代胡麻出苗，M

、M

代胡麻的株高和分枝的发育均出现了相似的促进效应，但M

代比M

代有所减弱。

Abstract

Background:

The doses and biological effects of irradiated plants have been studied and reported widely. In the research

gamma-ray source and X-ray source was more often used than the neutron source. Although there were few studies on the plant of neutron radiation

but the research had increased in the past few years. Because neutron source is promising in such irradiation studies

it has many advantages such as strong biological effect

high mutation rate

wide variation spectrum and stable mutant.

Purpose:

This paper aims to explore neutron radiation biological effects of flax seed. The biological effects of different doses of neutron radiation are investigated.

Methods:

The dry seeds of

Linum usitatissimum

L. were irradiated by

252

Cf fission neutrons. According to different neutron absorption doses

the biological effects of M

and M

generation on the morphological characters were studied during the growth period.

Results:

The results showed that

there were some correlations between the radiation biological effect and the neutron dose:the neutron radiation (0.24-4.33 Gy) had promotion on lateral bud growth of M

and M

generations of flax

and had the best promotion dose

moreover

the lower neutron dose (2.55 Gy and 4.33 Gy) had significant promotion on the plant height of M

generation of flax. There were some differences between M

and M

generations of flax on the radiation biological effects:in 0.24-4.33 Gy neutron irradiation

the seedling emergence of M

generation of flax can be promoted

however

the seedling emergence of M

generation of flax can be inhibited during the growth stag. The plant height and the branching growth showed a similar promotion effect on M

and M

generations of flax

but the biological effect of M

generation was less than that of M

generation.

Conclusion:

After being irradiated by low neutron doses (0.24-4.33 Gy)

and M

generations of flax show obvious biological effects. There are some certain correlations between the radiation biological effect and the neutron dose

for example the neutron absorbed dose being between 1.12 Gy and 4.33 Gy

flax appear obvious radiation biological effects during the seedling stage. The research results have positive significance for the agricultural production and breeding.

关键词

Keywords

references

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Study on M1 and M2 generation effect of different dosages of neutron radiation on flax seed

DOI：10.11889/j.0253-3219.2017.hjs.40.020203

摘要

Abstract

关键词

Keywords

references

不同剂量中子辐射胡麻种子的M₁和M₂代生物学效应研究

Study on M₁ and M₂ generation effect of different dosages of neutron radiation on flax seed