摘要
镁是植物叶绿素的中心原子,直接参与茶树茶氨酸合成等酶促反应,对茶树生长和茶叶品质形成的作用已被广泛证实。然而,我国茶园主要分布在普遍缺镁的酸性红壤区,且茶园镁肥投入相对偏低。因此,茶树镁营养机制研究和茶园镁营养管理对促进茶叶提质增效具有重要意义。本文从茶园土壤镁供给、茶树镁营养需求、镁营养调控茶叶品质形成、镁素与其他养分互作等4个方面综述了近三十年以来我国茶园镁营养研究工作与进展。针对我国茶园土壤中镁含量匮乏,镁肥投入量不足,营养机制不清等问题,提出了未来茶树镁营养研究的需求与展望。
Magnesium(Mg)is not only the central atom of chloroplast,but also participates in the biosynthesis of quality-related components(theanine)in tea plant.The impacts of Mg on tea quality and plant growth have been well established.However,Mg fertilizer is still not widely used in tea gardens of China,although Mg deficiency frequently occurs.This paper reviewed main studies of Mg nutrition in tea plant in the past 30 years,including the application of Mg nutrition in tea gardens,impact of Mg on tea quality,and interactions of Mg and other nutrients.In view of the shortage of Mg in tea garden soil,insufficient input of Mg fertilizer and unclear mechanism of Mg utilization in tea plant,prospect of research on Mg in the future were put forward.
作者
张群峰
倪康
伊晓云
刘美雅
阮建云
ZHANG Qunfeng;NI Kang;YI Xiaoyun;LIU Meiya;RUAN Jianyun(Tea Research Institute of Chinese Academy of Agricultural Sciences,Hangzhou 310008,China)
出处
《茶叶科学》
CAS
CSCD
北大核心
2021年第1期19-27,共9页
Journal of Tea Science
基金
国家重点研发计划项目(2016YFD0200900)
国家茶叶现代产业技术体系(CARS 19)
中国农业科学院科技创新工程(CAAS-ASTIP-2019-TRICAAS)。
关键词
茶树
镁
营养
茶叶品质
tea plant
magnesium
nutrition
tea quality
