华北农学报2023，Vol.38Issue(z1)：237-244,8.DOI:10.7668/hbnxb.20194202
遮阴高度和遮光率对抹茶园生态环境和抹茶品质的影响
Effects of Interaction of Shading Height and Shading Rate on Tea Garden Environment and Matcha Quality
摘要
Abstract
To improve the production quality of matcha in tea gardens,the effects of interaction of shading height and shading rate on matcha chlorophyll content,quality components,tea garden environment,etc.were studied through a field experiment,10 treatments in total,including non-shading treatment(CK),shading heights(1.0,1.5,2.0 m)of main treatments and shading rates(40%,70%,100%)of subtreatments were set.Compared with the CK,the results showed that interaction of shading height and shading rate could improve the daily average temperature,daily maxi-mum temperature,and daily minimum temperature of the surrounding environment of tea garden.Interaction of shading height and shading rate were beneficial to reducing illuminance on the surface of tea canopy,increasing the relative chlorophyll content(SPAD value)and significantly increasing the chlorophyll content.The interaction of shading height and shading rate significantly increased the content of water extract and ammonia,and significantly decreased the content of tea polyphenols,caffeine content,and phenol ammonia ratio in tea.Redundancy analysis of tea quality components and chlorophyll content with corresponding environmental factors showed that illuminance and minimum temperature were the main indicators that affected the quality components and chlorophyll content of tea.The interac-tion of a shading height of 1.5 m and a shading rate of 70%is conducive to the production of high-quality matcha.关键词
抹茶/遮阴高度/遮光率/品质成分/环境因子Key words
Matcha/Shading height/Shading rate/Quality components/Environmental factors分类
农业科技引用本文复制引用
吴艳,梁万里,孙永明,邹乐萍,刘芳,朱同,黄尚书..遮阴高度和遮光率对抹茶园生态环境和抹茶品质的影响[J].华北农学报,2023,38(z1):237-244,8.基金项目
江西省重点研发计划项目(20192BBFL60007 （）
20203BBF63038) （）
江西省茶叶产业技术体系(JX-ARS-02) （JX-ARS-02）
