[1]沈雪峰,董朝霞,陈勇.硅和紫外辐射对大豆幼苗生理特性的影响[J].大豆科学,2014,33(06):857-860.[doi:10.11861/j.issn.1000-9841.2014.06.0857]
　SHEN Xue-feng,DONG Zhao-xia,CHEN Yong.Effects of Silicon and UV-B Radiation on Physiological Characteristics of Soybean Seedlings[J].Soybean Science,2014,33(06):857-860.[doi:10.11861/j.issn.1000-9841.2014.06.0857]
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硅和紫外辐射对大豆幼苗生理特性的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第33卷 期数: 2014年06期 页码: 857-860 栏目: 出版日期: 2014-12-25
Title:
Effects of Silicon and UV-B Radiation on Physiological Characteristics of Soybean Seedlings
文章编号:
1000-9841.2014.06.0857
作者:
沈雪峰; 董朝霞; 陈勇
华南农业大学 农学院，广东 广州 510642
Author(s):
SHEN Xue-feng; DONG Zhao-xia; CHEN Yong
College of Agriculture,South China Agricultural University,Guangzhou 510642,China
关键词:
大豆; 硅; 紫外辐射; 花青素; 可溶性酚类物质
Keywords:
Soybean; Silicon; Ultraviolet-B radiation; Anthocyanins; Soluble phenols
分类号:
S565.1
DOI:
10.11861/j.issn.1000-9841.2014.06.0857
文献标志码:
A
摘要:
以大豆中黄35为试验材料，采用室内水培法，研究了施硅处理对紫外辐射（UV-B，280～320 nm）下大豆幼苗生长发育、硅元素含量与分布以及生理特性的影响。结果表明：在UV-B辐射条件下，施用1.70 mmol.L-1硅处理后大豆幼苗的株高、总干重、叶面积和根冠比，分别增加了11.0%、26.6%、60.4%和15.0%；幼苗叶片和茎秆中的硅元素含量分别增加了6.9和4.5倍；幼苗叶片中的类胡萝卜素、可溶性酚类物质和蜡质的含量分别增加了94.9%、14.8%和52.9%，花青素含量降低了91.5%。可见，施硅处理在一定程度上能够缓解UV-B辐射对大豆幼苗造成的伤害。
Abstract:
The study was conducted to investigate the effect of silicon on the growth,content of silicon and physiological characteristics in soybean(Glycine max L.Zhonghuang 35)seedlings under UV-B radiation in 2012 in a growth chamber in South China Agricultural University.The results showed that the shoot height,total dry weight,leaf area and root/shoot ratio were increased by 11.0%,26.6%,60.4% and 15.0% with silicon(1.70 mmol.L-1)application under UV-B radiation stress.The content of silicon in the shoot and leaf of soybean were increased by 6.9 and 4.5 times with silicon treatment under UV-B stress.The contents of carotenoid,soluble phenols and wax in the soybean seedling leaf-blades were increased,but the contents of anthocyanins were decreased with silicon under UV-B radiation.To some extent,silicon could alleviate the injury of soybean seedlings under UV-B radiation.

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备注/Memo

基金项目：广东省自然科学基金（S2012040007707）；高等学校博士学科点专项科研基金（20124404120011）。

第一作者简介：沈雪峰（1982-），男，博士，讲师，主要从事作物栽培与生理研究。E-mail:xuefengshen@126.com。

更新日期/Last Update: 2014-12-29