编号
lyqk010145
中文标题
金镶玉竹不同引种距离的生理适应性
作者单位
1. 山东农业大学 黄河下游森林培育国家林业和草原局重点实验室 山东泰安 271018;
2. 沂源县中庄镇人民政府 山东淄博 256109;
3. 济南海王园林工程有限公司 山东济南 250000;
4. 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 北京 100102
期刊名称
世界竹藤通讯
年份
2022
卷号
20
期号
S1
中文摘要
为探讨金镶玉竹(Phyllostachys aureosulcata 'Spectabilis’)在纬度水平上引种差异及其生理响应,以纬度依次相差3°的扬州(原产地)、聊城(引种地)、北京(引种地)3处金镶玉竹试验林为研究对象,测定叶片相对电导率,经Logistic 方程拟合获得3个纬度梯度下金镶玉竹的半致死温度(LT50),结合生理指标[超氧物歧化酶(SOD)活性、可溶性蛋白质、可溶性糖、丙二醛(MDA)和脯氨酸含量],通过隶属函数法进行抗寒能力的综合评价。结果表明:1)低温胁迫下金镶玉竹叶片MDA含量随温度的降低呈先上升后下降的趋势,相对电导率、可溶性糖、可溶性蛋白质、脯氨酸含量及SOD酶活性随温度的下降而升高;2)金镶玉竹LT50、可溶性糖、可溶性蛋白质、脯氨酸含量及SOD酶活性随着纬度的升高而降低,MDA含量变化与之相反;3)不同栽植地金镶玉竹的抗寒性综合排名为北京>聊城>扬州。研究结果显示,经过多年引种栽培,北京、聊城栽植的金镶玉竹抗寒性已显著高于扬州,高纬度地区引种栽植对金镶玉竹驯化效果显著。
基金项目
山东高速集团项目(JQJNYG(S)-2022-006)“G35济广高速华山立交北匝道圈绿化提升工程”。
英文标题
Physiological Adaptability of Phyllostachys aureosulcata ‘Spectabilis’ under Different Introduction Distances
作者英文名
Wang Shumei, Zhang Qi, Geng Ying, Jia Xiaowei, Cao Banghua, Cai Chunju, Qiao Huimin
单位英文名
1. Key Laboratory of National Forestry and Grassland Administration for the Cultivation of Forests in the Lower Reaches of the Yellow River, Shandong Agricultural University, Tai'an 271018, Shandong, China;
2. People's Government, Zhongzhuang Town, Yiyuan County, Zibo 256109, Shandong, China;
3. Jinan Haiwang Landscape Engineering Co., Ltd, Jinan 250000, Shandong, China;
4. National Forestry and Grassland Administration/Beijing Key Laboratory of Bamboo and Rattan Science and Technology, Beijing 100102, China
英文摘要
To explore the introduction differences in latitude and its physiological response, this paper takes Phyllostachys aureosulcata 'Spectabilis’ from three experimental forests in Yangzhou (origin), Liaocheng (introduction site) and Beijing (introduction site), which have the latitudinal differences of 3°, to measure the relative electrical conductivity of leaves and obtain the semi-lethal temperature (LT50) using Logistic equation fitting under three latitudinal gradients. The results are combined with physiological indexes, including superoxide dismutase (SOD) activity, soluble protein, soluble sugar, malondialdehyde (MDA) and proline content, to comprehensively evaluate the cold-resistance ability by using membership function method. The results show that: 1) Under low temperature stress, the MDA content in bamboo leaves of Ph. aureosulcata 'Spectabilis’ increases first and then decreases with the decrease of temperature, and the relative conductivity, soluble sugar, soluble protein, proline content and SOD activity increase with the decrease of temperature; 2) The contents of LT50, soluble sugar, soluble protein, proline and SOD activity decrease with the increase of latitude, while the content of MDA presents an opposite trend; and 3) The ranking of the planting area in cold resistance is Beijing > Liaocheng > Yangzhou. The results indicate that after introduction and cultivation for years, the cold resistance of Ph. aureosulcata 'Spectabilis’ introduced in Beijing and Liaocheng is significantly higher than that in Yangzhou, and the introduction and cultivation in the high latitude area has significant effect on the domestication of the species.
英文关键词
Phyllostachys aureosulcata 'Spectabilis’;introduction and domestication;latitude;cold resistance
起始页码
28
截止页码
34
作者简介
王树梅(1992-),实验师,主要研究方向为森林培育。E-mail:wsmpaper@163.com。
通讯作者介绍
曹帮华(1964-),教授,博士生导师,主要从事森林培育研究工作。E-mail:caobanghua@126.com。
E-mail
caobanghua@126.com
DOI
10.12168/sjzttx.2022.z1.005
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