[1]刘元召,赵小明,姜华,等.真菌寡聚糖对大豆生长及植保素产生的影响[J].大豆科学,2008,27(05):792-794.[doi:10.11861/j.issn.1000-9841.2008.05.0792]
　LIU Yuan-zhao,ZHAO Xiao-ming,JIANG Hua,et al.Effect of Fungal Oligosaccharides on Growth and Phytoalexin Inducement of Soybean[J].Soybean Science,2008,27(05):792-794.[doi:10.11861/j.issn.1000-9841.2008.05.0792]
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真菌寡聚糖对大豆生长及植保素产生的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第27卷 期数: 2008年05期 页码: 792-794 栏目: 出版日期: 2008-10-25
Title:
Effect of Fungal Oligosaccharides on Growth and Phytoalexin Inducement of Soybean
文章编号:
1000-9841(2008)05-0792-03
作者:
刘元召1; 2; 赵小明1; 姜华2; 杜昱光1
1中国科学院大连化学物理研究所，辽宁 大连116023，
2辽宁师范大学，辽宁 大连116023
Author(s):
LIU Yuan-zhao1; 2; ZHAO Xiao-ming1; JIANG Hua2; DU Yu-guang1
1Dalian Institute of Chemical Physics，Chinese Academy of Sciences，Dalian 116023;
2Liaoning Normal University,Dalian 116023，Liaoning，China
关键词:
寡糖; 真菌; 植保素; 大豆; 激发子
Keywords:
Oligosaccharide; Fungi; Phytoalexin; Soybean; Elicitor
分类号:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.05.0792
文献标志码:
A
摘要:
利用热解法从DL1805真菌壁上提取寡聚糖(DLO)，用浸种法处理大豆种子，处理时间为4 h，自然条件下播种于盛有灭菌蛭石的塑料筐内，观察DLO对大豆生长的影响。结果显示：用浓度为1、5、50 mg.L-1的寡聚糖处理大豆种子，生长9 d后，处理植株生长普遍好于对照植株，并且随处理浓度的增大诱导生长的效果越好，浓度为50 mg.L-1的效果最为显著，与对照相比，茎粗增加5%以上，株高增加17%以上，鲜重增加15%以上，干重增加5%以上，茎干重增加2.8%以上。DLO能诱导大豆植保素的产生，在5个处理浓度中随浓度的加大诱导效果也逐渐增强，100 mg.L-1的时候OD（A 286）达到1.103。因此，DL1805菌壁降解寡聚糖能较好地诱导大豆的生长，并且还能诱导植保素的产生提高大豆的抗病能力。
Abstract:
Oligosaccharide from Dalian fungi(DLO) was obtained through thermal cracking of fungal cell wall.In order to study the effects of DLO on growth traits and phytoalexin inducement of soybean，the concentration of 1，5，50 mg.L-1DLO were used to treat soybean for 4 h with seed-immersion method.The results indicated that the plants treated with DLO grew better than that of control.The efficacy of DLO increased with concentration.Under 50 mg. L-1,the stems were 5%thicker，17% higher and 2.8% heavier than that of control nine days after treatment.The inducement of DLO also increased with concentration and the OD value of 100 mg.L-1?reached 1.103.The results indicate that DLO has the effect of promoting growth and inducing phytoalexin production of soybean.

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备注/Memo

基金项目：国家高技术研究发展计划（863计划）资助项目(2006AA10A213，2007AA091601)；中科院知识创新方向资助项目(KSCX2-YW-N-007)。

作者简介：刘元召（1983-），男，在读硕士，研究方向天然产物研究。
通讯作者：赵小明，副研究员，博士。E-mail: zhaoxm@dicp.ac.cn。

更新日期/Last Update: 2014-10-06