Preliminary Study on the Accumulation and Differentiation of Mineral Elements in Alpine Cultivated Grassland of Qinghai-Tibet Plateau under Different Light Conditions and Temperatures

doi:10.11733/j.issn.1007-0435.2018.01.020

Acta Agrestia Sinica ›› 2018, Vol. 26 ›› Issue (1): 168-172.DOI: 10.11733/j.issn.1007-0435.2018.01.020

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Preliminary Study on the Accumulation and Differentiation of Mineral Elements in Alpine Cultivated Grassland of Qinghai-Tibet Plateau under Different Light Conditions and Temperatures

LI Tian-cai, CAO Guang-min, LIN Li, ZHANG Ji-yu, GUO Xiao-wei, KE Xun

Northwest Institute of Plateau Biology, CAS, Qinghai Key Laboratory of Tibetan Medicine Pharmacology and Safety Evaluation, Xining, Qinghai Provience 810008, China

Received:2017-04-14 Revised:2018-01-16 Online:2018-02-15 Published:2018-05-25

青藏高原高寒栽培草地植物在光照变化和增温影响下矿物元素蓄积分异性初探

李天才, 曹广民, 林丽, 张吉余, 郭小伟, 柯浔

中国科学院西北高原生物研究所, 青海省藏药药理学和安全性评价研究重点实验室, 青海西宁 810008

作者简介:李天才(1966-),男,研究员,博士,主要从事草地矿物元素研究,E-mail:tcli@nwipb.cas.cn
基金资助:
青海省自然科学基金面上项目（2016-ZJ-906）资助

Abstract

Abstract:

To explain the mechanism of accumulation and differentiation of mineral elements in alpine grassland plants, cultivated alpine grassland plants such as Elymus nutans and Poa crymophila were treated with shading and warming, and then the samples were collected and analyzed. The results showed that the accumulation of mineral elements in the shading group and warming control group was significant difference, and the accumulation of mineral elements in the alpine grassland plants was response and adaptation to the growth environment. However, the “Starvation Effect” may be one of the endogenetic forces for accumulation and differentiation of biological mineral elements.

Key words: Grassland plant, Light, Warming, Mineral elements, Accumulation and differentiation

摘要：

为了解释高寒草地植物中矿物元素蓄积分异性发生机理，采用盆栽垂穗披碱草和青海冷地早熟禾等高寒草地植物，通过遮阴和增温等处理，试验样品的采集分析，结果表明：遮阴组和增温的对照组草地植物中矿物元素具有蓄积分异性，高寒草地植物体内矿物元素营养的蓄积增加是草地植物对生长环境变化的响应与适应，而生物矿物元素饥饿效应可能是生物矿物元素蓄积分异行为发生的内动力之一。

关键词: 草地植物, 光照强度, 增温, 矿物元素, 蓄积分异

CLC Number:

Q945.1

LI Tian-cai, CAO Guang-min, LIN Li, ZHANG Ji-yu, GUO Xiao-wei, KE Xun. Preliminary Study on the Accumulation and Differentiation of Mineral Elements in Alpine Cultivated Grassland of Qinghai-Tibet Plateau under Different Light Conditions and Temperatures[J]. Acta Agrestia Sinica, 2018, 26(1): 168-172.

李天才, 曹广民, 林丽, 张吉余, 郭小伟, 柯浔. 青藏高原高寒栽培草地植物在光照变化和增温影响下矿物元素蓄积分异性初探[J]. 草地学报, 2018, 26(1): 168-172.

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Preliminary Study on the Accumulation and Differentiation of Mineral Elements in Alpine Cultivated Grassland of Qinghai-Tibet Plateau under Different Light Conditions and Temperatures

青藏高原高寒栽培草地植物在光照变化和增温影响下矿物元素蓄积分异性初探

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