浙江农业学报 ›› 2021, Vol. 33 ›› Issue (10): 1852-1860.DOI: 10.3969/j.issn.1004-1524.2021.10.08

• 园艺科学 • 上一篇    下一篇

干旱胁迫下不同绣球品种生理响应与抗旱性评价

任倩倩1,2(), 孙纪霞1, 张德顺3, 丁兆堂4, 张英杰1, 张京伟2,*()   

  1. 1.山东省烟台市农业科学研究院 蔬菜花卉研究所,山东 烟台 265500
    2.烟台大学 生命科学学院,山东 烟台 264005
    3.同济大学 建筑与城市规划学院,上海 200092
    4.青岛农业大学 园艺学院,山东 青岛 266109
  • 收稿日期:2020-08-25 出版日期:2021-10-25 发布日期:2021-11-02
  • 通讯作者: 张京伟
  • 作者简介:张京伟,E-mail: jingweizhang.000@163.com
    任倩倩(1995—),女,山东滨州人,硕士研究生,主要从事花卉种质评价筛选与生理生化研究。E-mail: rqx77520@163.com
  • 基金资助:
    国家自然科学基金(31770747);山东省农业科技资金(林业科技创新)(2019LY002);烟台市科技计划(2018NCGY056)

Physiological response and drought resistance evaluation of different Hydrangea varieties under drought stress

REN Qianqian1,2(), SUN Jixia1, ZHANG Deshun3, DING Zhaotang4, ZHANG Yingjie1, ZHANG Jingwei2,*()   

  1. 1. Vegetable and Flower Research Institute, Yantai Academy of Agricultural Sciences, Yantai 265500, China
    2. College of Life Science, Yantai University, Yantai 264005, China
    3. School of Architecture and Urban Planning, Tongji University, Shanghai 200092, China
    4. College of Horticulture, Qingdao Agricultural University, Qingdao 266109, China
  • Received:2020-08-25 Online:2021-10-25 Published:2021-11-02
  • Contact: ZHANG Jingwei

摘要:

探究不同干旱胁迫对绣球生长的影响,评价其抗旱性。以6个绣球品种为试材,利用盆栽控水法,分别设置常态(CK)、轻度干旱胁迫(T1)、中度干旱胁迫(T2)、重干旱胁迫(T3)和特重干旱胁迫(T4)处理模拟干旱胁迫,测定其生物量、根冠比、叶片相对含水量、细胞膜透性、叶绿素(Chl)和类胡萝卜素(Car)、丙二醛(MDA)、脯氨酸(Pro)、过氧化物酶(POD)、超氧化物歧化酶(SOD)、可溶性糖(SS)和可溶性蛋白(SP)等15个生理指标的动态变化,运用主成分分析法、隶属函数法和聚类分析法对其抗旱性进行综合评价。在干旱胁迫下,各绣球品种的生物量和相对含水量呈下降趋势,根冠比、相对电导率、MDA、Pro和SS呈上升趋势,但各品种上升幅度有所差异,SOD、POD和SP呈先上升后下降的趋势,绣球的光合色素变化规律不明显。6种绣球抗旱性由强到弱排序为:万华镜>爱你的吻>头花>白色天使>花手鞠>夏祭。

关键词: 绣球, 抗旱性评价, 主成分分析, 隶属函数法, 聚类分析

Abstract:

In order to explore the effects of different drought stresses on the growth of Hydrangea varieties and evaluate their drought resistance, six Hydrangea varieties were used as test materials, and were treated with normal (CK), mild drought stress (T1), moderate drought stress (T2), severe drought stress (T3) and extra severe drought stress (T4) to simulate drought stress. Their biomass, root-shoot ratio, leaf relative water content, cell membrane permeability, chlorophyll (Chl) and carotenoid (Car), malondialdehyde (MDA), proline (Pro), peroxidase (POD), superoxide dismutase (SOD), soluble sugar (SS) and soluble protein (SP) were measured. Under drought stress, the biomass and relative water content of each Hydrangea variety showed a downward trend, while the root-shoot ratio, relative conductivity, MDA, Pro and SS showed an upward trend. However, the increase range of each variety was different. SOD, POD and SP showed an upward trend first and then a decreased trend. The change rule of photosynthetic pigment of Hydrangea was not obvious. The order of drought resistance of 6 Hydrangea varieties from strong to weak was as follows: Mangek you>Love You Kiss>Corsage>White Angel>Stockings>Summer Sacrifice.

Key words: Hydrangea, drought resistance evaluation, principal component analysis, subordination function method, cluster analysis

中图分类号: