[1]吕运舟,施士争,吴静*.不同间种模式对白茶春梢叶色参数与色素含量的影响[J].江苏林业科技,2020,47(04):13-16.[doi:10.3969/j.issn.1001-7380.2020.04.003]
　Lyu Yunzhou,Shi Shizheng,Wu Jing*.Effects of different agroforestry system on leaf color parameters and pigment content of spring tip of White tea[J].Journal of Jiangsu Forestry Science &Technology,2020,47(04):13-16.[doi:10.3969/j.issn.1001-7380.2020.04.003]
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不同间种模式对白茶春梢叶色参数与色素含量的影响()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第47卷
期数:
2020年04期
页码:
13-16
栏目:
试验研究
出版日期:
2020-08-31

文章信息/Info

Title:
Effects of different agroforestry system on leaf color parameters and pigment content of spring tip of White tea
文章编号:
1001-7380（2020）04-0013-04
作者:
吕运舟1; 施士争1; 吴静2*
1.江苏省林业科学研究院，江苏南京211153
2.南京牛首山林场实业有限公司,江苏南京211153
Author(s):
Lyu Yunzhou1;  Shi Shizheng1;  Wu Jing2*
1.Jiangsu Academy of Forestry, Nanjing 211153, China
2.Niushoushan Forest Farm, Nanjing, Nanjing 211153, China
关键词:
叶色参数; 色素含量; 白茶; 薄壳山核桃; 复合经营
Keywords:
Leaf color parameters; Pigment content; White tea; Pecan; Agroforestry system
分类号:
Q945.11；S344.2；S571.1
DOI:
10.3969/j.issn.1001-7380.2020.04.003
文献标志码:
A
摘要:
为研究不同间种模式对白茶色度品质的影响，以4种间种模式（郁闭度分别为40%—50%和50%—70%的薄壳山核桃间种模式、郁闭度分别为60%—80%和80%—100%大叶榉树间种模式）为研究对象，以纯茶园为对照，观测分析采茶期白茶新梢叶片叶色参数，叶绿素、类胡萝卜素和叶黄素含量变化规律及其相关性。结果表明，随着树冠郁闭度的升高，叶色参数L*值呈先降低再升高趋势，而a*和b*值的变化趋势相反，其中郁闭度为50%—70%的薄壳山核桃间作模式下叶片L*值最小，a*和b*值最高，表明该模式下叶片返白度最高。相关性分析表明，白茶叶片各色素含量与叶色参数的相关性显著，各模式下类胡萝卜素和叶黄素含量差异显著，而叶绿素总量变化差异不显著。各色素含量的百分比不同，是引起叶片呈色变化的根本原因；相较于其他模式，郁闭度为50%—70%的薄壳山核桃间种模式可以提高采茶期白茶春梢的白度品质，为林茶复合经营提供新的树种间种模式选择。
Abstract:
In order to study the change of the chromaticity of white tea in different agroforestry systems, the leaf color parameters and chlorophyll content, carotenoid content and lutein content in the leaves of spring shoots were observed and analyzed. With the increase of canopy density, L value of leaf color parameter changed from high to low, but a and b values were opposite. The leaves of white tea with highest whiteness from the pattern of inter-cropping pecan (canopy density between 50% and 70%) had the lowest L value, highest a and b value. Correlation analysis showed that white tea leaves was significantly associated with the pigment content and leaf color parameters. The contents of carotenoid and lutein were significantly different between differnt patterns while the total chlorophyll content was not significantly different. Therefore, the inter-cropping pattern between pecan and white tea,with canopy density between 50% and 70% could improve the whiteness quality of spring shoot of white tea, compared with other patterns. This study could provide a new tree species selection for the development of tea plantation diversity.

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备注/Memo

备注/Memo:
收稿日期：2020-05-03修回日期：2020-05-30
基金项目：江苏省农业自主创新资金项目“丘陵岗地经济林果生态高效栽培技术创新与集成应用”[CX(17)2026]；江苏省创新能力建设科技设施类——省公益类科研院所自主和研经费“江苏省林业科学研究院自主科研项目”(BM2018022)
作者简介：吕运舟（1983- ），男，安徽六安人，副研究员，博士。主要从事林木遗传育种与良种推广工作。
*通信作者：吴静(1968- ),女，江苏江宁人，高级工程师，大学本科毕业。主要从事林业与茶叶生产管理和科技推广工作。E-mail:820602506@qq.com。
更新日期/Last Update: 2020-09-30