高温干旱季节遮阳网覆盖对茶园温湿度和茶树生理的影响

生态学杂志 ›› 2005, Vol. ›› Issue (3): 251-255.

高温干旱季节遮阳网覆盖对茶园温湿度和茶树生理的影响

肖润林¹, 王久荣¹, 汤宇², 刘永胜¹, 彭晚霞¹, 宋同清¹

1. 中国科学院亚热带农业生态研究所, 长沙, 410125;
2. 长沙县湘丰茶厂, 长沙, 410158

收稿日期:2004-04-28 修回日期:2004-11-02 出版日期:2005-03-10
通讯作者: 肖润林,男,1963年生,副研究员,主要从事农林复合生态系统过程功能优化和农产品健康安全生产技术等方面的研究,发表论文40余篇.
基金资助:
中国科学院知识创工程新项目(KZCX2-SW-415);中国科学院重点资助项目(NK 十五-D-15)

Effects of covering with outer shading screens during hot-dry season in tea plantation

XIAO Runlin¹, WANG Jiurong¹, TANG Yu², LIU Yongsheng¹, PENG Wanxia¹, SONG Tongqing ¹

1. Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;
2. Xiangfeng Tea Factory, Changsha 410158, China

Received:2004-04-28 Revised:2004-11-02 Online:2005-03-10

摘要/Abstract

摘要： 研究了高温干旱季节采用遮阳网覆盖红壤丘陵茶园的生态作用和对茶树生理的影响.与露地对照茶园相比,遮阳网覆盖处理茶园在高温干旱季节,各个观测时段的气温、树冠温度、叶面温度、地面温度和土壤温度均明显降低,茶园土壤水分含量、空气湿度和茶叶含水量明显提高,茶叶新梢的叶绿素、咖啡碱和氨基酸含量大幅度提高,茶多酚含量降低11.6%.连续高温干旱27～29 d后遮阳网覆盖下茶树的叶片气孔导度、蒸腾速率和净光合速率均明显高于露地对照茶园.

关键词: 抚仙湖, 人工湿地, 除磷效果

Abstract: Effects of outer shading screens on tea ecology and physiology in red soil hilly region were studied.The results showed that when the tea plantation was covered with outer shading screens during the hot-dry season,the temperatures of atmosphere,tea crown,tea leaf surface,soil surface and soil at every observational time were lower apparently than those of tea plantation without screens.The soil water content,atmosphere humidity and leaf water content in tea plantation with screens were much higher; and the contents of chlorophyll,caffeine and amino acids increased significantly while the polyphenol content decreased by 11.6%.After 27～29 days of continuous hot-dry weather,the transpiration rate,stomatal conductance and net photosynthetic rate of tea with screens were obviously higher than those of tea plantation without screens.

Key words: Fuxian Lake, Constructed wetland, Phosphorous removal efficiency

中图分类号:

Q945

肖润林, 王久荣, 汤宇, 刘永胜, 彭晚霞, 宋同清. 高温干旱季节遮阳网覆盖对茶园温湿度和茶树生理的影响[J]. 生态学杂志, 2005, (3): 251-255.

XIAO Runlin, WANG Jiurong, TANG Yu, LIU Yongsheng, PENG Wanxia, SONG Tongqing . Effects of covering with outer shading screens during hot-dry season in tea plantation[J]. cje, 2005, (3): 251-255.

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