北方农业学报 ›› 2020, Vol. 48 ›› Issue (4): 1-9.doi: 10.12190/j.issn.2096-1197.2020.04.01

• 作物栽培·生理生化 •    下一篇

15个甜菜品种对盐碱胁迫的生理响应及耐盐碱性评价

黄春燕1, 苏文斌1, 郭晓霞1, 李智1, 菅彩媛1, 田露1, 樊福义1, 任霄云1, 宫前恒1, 张强2   

  1. 1.内蒙古自治区农牧业科学院 特色作物研究所,内蒙古 呼和浩特 010031;
    2.乌兰察布市农牧业科学研究院,内蒙古 集宁 012000
  • 收稿日期:2020-06-15 出版日期:2020-08-20 发布日期:2020-10-23
  • 通讯作者: 苏文斌(1964—),研究员,学士,主要从事甜菜栽培与生理的研究工作。
  • 作者简介:黄春燕(1986—),副研究员,博士,主要从事作物栽培与生理的研究工作。
  • 基金资助:
    国家现代农业产业技术体系建设专项(CARS-170209)

Physiological responses and saline-alkali tolerant evaluation of 15 sugar beet varieties to saline-alkali stress

HUANG Chunyan1, SU Wenbin1, GUO Xiaoxia1, LI Zhi1, JIAN Caiyuan1, TIAN Lu1, FAN Fuyi1, REN Xiaoyun1, GONG Qianheng1, ZHANG Qiang2   

  1. 1. Special Crops Institute,Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China;
    2. Ulanqab Academy of Agricultural and Animal Husbandry Sciences,Jining 012000,China
  • Received:2020-06-15 Online:2020-08-20 Published:2020-10-23

摘要: 【目的】 揭示不同甜菜品种对盐碱胁迫的生理响应及筛选耐盐碱型品种。【方法】 以生产中15个主推甜菜品种为材料,采用盆栽试验,模拟自然土壤条件下,不同程度盐碱胁迫(对照、轻度、中度和重度盐碱土壤)对甜菜幼苗生长及生理指标的影响。【结果】 与对照相比,随着盐碱胁迫程度的增加,15个甜菜品种出苗率及幼苗鲜重和干重不同程度降低,出苗率降低幅度较小的前5位品种是MA3001、MA2070、KWS1176、KWS9149和MA079,鲜重降低幅度较小的前5位品种是MA3001、KWS1176、KWS2323、内2499和BETA379,干重降低幅度较小的前5位品种是KWS1176、BETA5043、MA3001、MA079和BETA379,MA3001和KWS1176的降低幅度均较小,是耐盐碱型品种;15个甜菜品种幼苗叶片质膜透性和丙二醛含量不同程度升高,且耐盐碱型甜菜幼苗的升高幅度较小;15个甜菜品种SOD活性不同品种表现不同,POD活性不同品种均表现为单峰曲线变化,且重度盐碱土壤耐盐碱型甜菜品种SOD活性和POD活性变化幅度较小。【结论】 MA3001和KWS1176为耐盐碱型甜菜品种,可通过加强抗氧化酶活性,有效降低膜脂过氧化程度及叶片质膜透性,进而提高甜菜幼苗耐盐碱能力。

关键词: 甜菜, 盐碱土壤, 生理响应, 耐盐碱型品种

Abstract: 【Objective】 In order to reveal the physiological response of different sugar beet varieties to saline-alkali stress and screen salt-alkali tolerant varieties.【Methods】 15 main sugar beet varieties were used as materials to simulate the effects of different degrees of salt-alkali stress(control,light,moderate and severe saline-alkali soil)on the growth and physiological indexes of sugar beet seedlings under natural soil conditions.【Results】 Compared with the control,the seedling emergence rate,fresh weight,dry weight and chlorophyll content of 15 sugar beet varieties decreased in varying degrees with the increase of salt-alkali stress.The five varieties of seedling emergence rate decreasing slightly: were MA3001,MA2070,KWS1176,KWS9149,MA079,and the five varieties of fresh weight decreasing slightly: were MA3001,KWS1176,KWS2323,NEI2499,BETA379,and the five varieties of dry weight decreasing slightly:were KWS1176,BETA5043,MA3001,MA079,BETA379.The decreases of MA3001 and KWS1176 were smaller so that these were the salt-alkali tolerant varieties.The plasmalemma permeability and MDA content in leaves of 15 sugar beet varieties increased with the increase of salt-alkali stress,and small the increase ofor the salt-alkali tolerant sugar beet seedlings was smaller.With the increase of salt-alkali stress,the SOD activity of 15 sugar beet varieties was different,and the POD activity of different varieties showed a single peak curve change,and SOD activity and POD activity of salt-alkali tolerant varieties decreased slightly in severe saline-alkali soil.【Conclusion】 MA3001 and KWS1176 are salt-alkali tolerant sugar beet varieties.They can effectively reduce the membrane lipid peroxidation and the plasmalemma permeability of leaves by strengthening the activity of antioxidant enzymes,thereby improving the salt-alkali tolerance of sugar beet seedlings.

Key words: Sugar beet, Saline-alkali soils, Physiological response, Salt-alkali tolerant variety

中图分类号: 

  • Q945.3