[1]徐美贞,徐梁,杨少宗,等.枫香树叶片变色的物质基础及其地理变异规律[J].浙江林业科技,2023,43(04):1-9.[doi:10.3969/j.issn.1001-3776.2023.04.001]
 XU Meizhen,XU Liang,YANG Shaozong,et al.Reasons and Geographical Variation Regulation of Leaf Discoloration of Liquidambar formosana[J].Journal of Zhejiang Forestry Science and Technology,2023,43(04):1-9.[doi:10.3969/j.issn.1001-3776.2023.04.001]
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枫香树叶片变色的物质基础及其地理变异规律()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
43
期数:
2023年04期
页码:
1-9
栏目:
出版日期:
2023-07-21

文章信息/Info

Title:
Reasons and Geographical Variation Regulation of Leaf Discoloration of Liquidambar formosana
文章编号:
1001-3776(2023)04-0001-09
作者:
徐美贞1徐梁2杨少宗2林江3赵婧3何庆海2
1.诚邦生态环境股份有限公司,浙江 杭州 310000;2.浙江省林业科学研究院,浙江 杭州 310023;3.绍兴市自然资源和规划局上虞分局,浙江 绍兴 312300
Author(s):
XU Meizhen1XU Liang2YANG Shaozong2LIN Jiang3ZHAO Jing3HE Qinghai2
1.Chengbang Eco-environment Co., Ltd., Hangzhou 310000, China;2.Zhejiang Academy of Forestry Sciences, Hangzhou 310023, China;3.Shangyu Branch of Shaoxing Natural Resources and Planning Bureau of Zhejiang, Shaoxing 312300, China
关键词:
枫香树种源试验叶片颜色色素含量地理变异
Keywords:
Liquidambar formosana provenance test leaf color pigment content geographic variation
分类号:
S722.3+1
DOI:
10.3969/j.issn.1001-3776.2023.04.001
文献标志码:
A
摘要:
为探究枫香树Liquidambarformosana叶片变色多样的物质基础,2016年,对收集的41个种源592个家系的枫香树种子开展种源试验,同年9月、11月、12月,分别测量枫香树叶片变色前、变色中和变色后3个阶段的叶片组分;2020年11月,测量选取绿、黄绿、黄、黄褐、红黄、粉红、红、深红和紫9个不同色系枫香树叶片的色素组分含量,通过主成分分析、相关分析和回归分析,比较不同颜色叶片的色素含量,分析叶片组分与种源地理和环境的关系,探究叶片变色的物质基础及其地理变异模式。结果表明:(1)枫香树叶片颜色差异主要归因于叶片中总叶绿素和花青素含量的变化,其中总叶绿素含量的变异系数为103.19%,花青素含量的变异系数为74.20%;其是紫色叶片中叶绿素、类胡萝卜素和花青素含量均保持较高水平。(2)主成分分析结果表明,在枫香树叶片变色过程中,种源间叶片颜色的差异主要来自于花青素、总叶绿素含量和pH值,相关分析结果显示,叶片中的花青素、总叶绿素含量与种源地理环境显著相关(P<0.05),但pH值与种源地理环境不相关。(3)回归曲线估计表明,变色后,叶片中的花青素含量与种源地经度呈二次函数模型,其他时间段叶片中的总叶绿素和花青素含量与种源地理环境的关系为一次线性关系,除经度和纬度外,种源地的1月均温也是叶片总叶绿素和花青素含量变化的关键因子。叶片变色前,总叶绿素含量呈东-西变异模式,花青素含量呈南-北变异模式;变色中,总叶绿素含量呈南-北变异模式,花青素含量呈东-西变异模式;变色后,总叶绿素含量呈东南-西北变异模式,花青素含量保持东-西变异模式。叶片色素变异模式的研究在种质资源选择和叶色选优上具有较强的指导价值,可为选育叶色稳定、一致和特异的枫香树品种提供依据。
Abstract:
During September and November 2014, 592 lines of 41 provenances of Liquidambar formosana were collected from 15 provinces in China and were cold preserved. In April 2016, provenance test was conducted in Yuhang, Zhejiang province. Leaves were collected form each line on September 26, November 20, December 30 of 2016 to determine their pigment components. In November 2020, 9 colored leaves were collected from Hangzhou, Zhejiang province to determine the reasons of discoloration. The results showed that total chlorophyll and anthocyanin content in leaf of L. formosana resulted their discoloration, the coefficient of variation of total chlorophyll was 103.19%, and that of anthocyanin was 74.20%. The contents of chlorophyll, carotenoid and anthocyanin content in purple leaves were relatively high. Principal component analysis showed that the differences among provenances mainly caused by anthocyanin, total chlorophyll content and pH value. Correlation analysis showed that anthocyanin and total chlorophyll content had significant relation with geographical and environmental factors of different provenances (P < 0.05), but pH was not. The curve estimation demonstrated that the relationship between anthocyanin content after discoloration and longitude of different provenances was a quadratic function model, and that at other periods was a linear one. Longitude, latitude and the mean temperature of January of different provenances was the key factors for total chlorophyll and anthocyanin content in leaves. Before leaf discoloration, the variation pattern of total chlorophyll was east-west, and that of anthocyanin was south-north. Total chlorophyll content showed a south-north variation pattern, while anthocyanin content east-west before discoloration. After discoloration, the variation pattern of total chlorophyll content was from southeast to northwest, while that of anthocyanin was stable.

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备注/Memo

备注/Memo:
收稿日期:2023-02-11;修回日期:2023-05-07
基金项目:枫香等乡土特色林木新种质创制和抗逆分子机理研究(2023F1065-1);城邦生态环境股份有限公司重点项目(2018HX014)
作者简介:徐美贞,工程师,从事风景园林及植物景观利用研究;E-mail:272397780@qq.com。
通信作者:赵婧,工程师,从事林业技术推广工作;E-mail:307636335@163.com。
通信作者:何庆海,助理研究员,从事林木遗传育种研究;E-mail:1464333629@qq.com。
更新日期/Last Update: 2023-07-20