LI Ting,ZHANG Xiangjun,YANG Bin,et al.Effects of Different Forms of Exogenous Selenium on Selenium Content of Dendrobium officinale[J].Northern Horticulture,2021,(11):113-119.[doi:10.11937/bfyy.20203617]
施用不同形态外源硒对铁皮石斛硒含量的影响
- Title:
- Effects of Different Forms of Exogenous Selenium on Selenium Content of Dendrobium officinale
- 文献标志码:
- A
- 摘要:
- 以半年生、一年生和二年生的铁皮石斛苗为试材，采用施用外源硒肥的方法，每隔1个月采样1次后再进行喷施，连续喷施6次，在半年时间测定各处理铁皮石斛鲜条的总硒值。研究了不同形态外源硒（液态硒肥SA和SJ、固态硒肥SD）在不同的硒肥浓度下对铁皮石斛棚栽苗的硒富集能力的影响。以期为广西铁皮石斛富硒标准化生产提供参考依据。结果表明:施用外源硒肥可明显提高铁皮石斛鲜条的硒含量，且铁皮石斛苗龄越小，其吸收外源硒的能力也越强。
- Abstract:
- Taking six-month-old,one-year-old and two-year-old Dendrobium officinale seedlings as experimental materials,experiment of applying exogenous selenium fertilizer was adopted to study the effects of different forms of exogenous selenium (liquid selenium fertilizer SA and SJ,solid selenium fertilizer SD) on the selenium enrichment capacity of Dendrobium officinale seedlings planted in the house.Spraying after sampling for 1 time every 2 months,and spraying 6 times in a row,and the total selenium value of fresh strips of Dendrobium officinale was measured in half a year.In order to provide a reference for the standardized production of selenium enrichment of Dendrobium officinale in Guangxi.The results showed that the selenium content of fresh strips of Dendrobium officinale was significantly increased by applying exogenous selenium fertilizer,and the younger the seedling age of Dendrobium officinale,the stronger its ability to absorb exogenous selenium.
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备注/Memo
第一作者简介：李婷（1985-），女，硕士，助理研究员，现主要从事特色中药材栽培与选育等研究工作。E-mail:774736716@qq.com.责任作者：张尚文（1980-），男，硕士，实验师，现主要从事药食同源中药材的栽培与育种等研究工作。E-mail:63838114@qq.com.基金项目：广西重点研发计划资助项目（桂科AB17292065）；广西特色作物试验站资助项目（桂TS2016002）。收稿日期：2020-08-24