生境对茶叶品质和产量影响的光合生理机制

doi:10.13287/j.1001-9332.201811.029

应用生态学报 ›› 2018, Vol. 29 ›› Issue (11): 3596-3606.doi: 10.13287/j.1001-9332.201811.029

生境对茶叶品质和产量影响的光合生理机制

王叶^1,2, 张国林^2,3, 阳树英^1*, 邹冬生^1,2, 肖润林³, 朱寒阳^2,3, 王浩^1,2

¹湖南农业大学生物科学技术学院, 长沙 410128;
²洞庭湖农村生态系统健康湖南省重点实验室, 长沙 410128;
³中国科学院亚热带农业生态研究所, 长沙 410125

收稿日期:2018-03-31 出版日期:2018-11-20 发布日期:2018-11-20
通讯作者: *E-mail: ysyalxh@126.com
作者简介:王叶,女,1990年生,硕士. 主要从事农业生态研究. E-mail: 871607989@qq.com
基金资助:
本文由湖南省教育厅研究生科创项目(CX2016B274)资助

Photosynthetic mechanism of tea yield and quality affected by different habitats

WANG Ye^1,2, ZHANG Guo-lin^2,3, YANG Shu-ying^1*, ZOU Dong-sheng^1,2, XIAO Run-lin³, ZHU Han-yang^2,3, WANG Hao^1,2

¹College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China;
²Hunan Provincial Key Laboratory of Rural Ecosystem Health in Dongting Lake Area, Changsha 410128, China;
³Institute of Subtropical Agriculture, Chinese Aca-demy of Sciences, Changsha 410125, China

Received:2018-03-31 Online:2018-11-20 Published:2018-11-20
Contact: *E-mail: ysyalxh@126.com
Supported by:
This work was supported by the Postgraduate Science and Technology Project of Education Department of Hunan Province (CX2016B274).

摘要/Abstract

摘要： 为了探明茶叶产量和品质形成的特殊生境及其光合生理机制,在中国科学院长沙农业环境观测站利用3种间种乔木模式(S₁:桂花树-茶树, S₂:乐昌含笑-茶树, S₃:桂花树-乐昌含笑-茶树)与纯茶园(CK)建成了4种典型生境,比较研究了这些特殊生境下茶叶产量与品质形成的光合生理生态特性.结果表明: 生境S₁、S₂、S₃显著降低了茶树叶片温度(TL)、光合有效辐射通量(PAR),叶片净光合速率(P_n)、蒸腾速率(T_r)和气孔导度(g_s)的日均值,显著降低了茶叶茶多酚总含量.生境S₁、S₂、S₃显著提高了叶室相对湿度(RHS)、茶叶氨基酸总含量,显著提高了茶叶产量和品质,并且S₃>S₁>S₂>CK,其中生境S₁和S₃的茶叶适宜加工成高档绿茶和名优绿茶.综合各指标,生境S₃是茶园优质高产的理想间种模式.

Abstract: To understand photosynthetic mechanism of tea yield and quality, an experiment was conducted with four different typical habitats, including three intercropping patterns (S₁:Osmanthus-Tea, S₂:Michelia-Tea, S₃:Osmanthus-Michelia-Tea) and a control (CK) at Changsha Agricutural Observation Station of Chinese Academy of Sciences. The photosynthetic physiological and ecological characteristics of tea yield and quality were examined. The results showed that the habitats S₁, S₂, S₃ reduced the leaf temperature (TL), photosynthesis active radiation flux (PAR), net photosynthetic rate (P_n), transpiration rate (T_r), and stomatal conductance (g_s), as well as the tea polyphenol content. Habitats S₁, S₂, S₃ significantly increased leaf relative humidity (RHS), total amino-acid content of tea, and the yield and quality of tea, with a pattern of S₃>S₁>S₂>CK. The leaves in habitats S₁ and S₃ could be made into high-grade green tea and famous green tea respectively. Comprehensive indicators showed that habitat S₃ is an ideal intercropping pattern for high quality and high yield of tea garden.

王叶, 张国林, 阳树英, 邹冬生, 肖润林, 朱寒阳, 王浩. 生境对茶叶品质和产量影响的光合生理机制[J]. 应用生态学报, 2018, 29(11): 3596-3606.

WANG Ye, ZHANG Guo-lin, YANG Shu-ying, ZOU Dong-sheng, XIAO Run-lin, ZHU Han-yang, WANG Hao. Photosynthetic mechanism of tea yield and quality affected by different habitats[J]. Chinese Journal of Applied Ecology, 2018, 29(11): 3596-3606.

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生境对茶叶品质和产量影响的光合生理机制

Photosynthetic mechanism of tea yield and quality affected by different habitats

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