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应用生态学报 ›› 2016, Vol. 27 ›› Issue (11): 3616-3622.doi: 10.13287/j.1001-9332.201611.002

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人参连作根际土壤中酚酸物质对人参锈腐病菌的化感效应

李自博, 周如军, 解宇娇, 傅俊范*   

  1. 沈阳农业大学植物保护学院, 沈阳 110866
  • 收稿日期:2016-03-04 出版日期:2016-11-18 发布日期:2016-11-18
  • 通讯作者: E-mail: fujunfan@163.com
  • 作者简介:李自博,男,1989年生,博士研究生.主要从事药用植物病理学研究. E-mail: dabodabo@126.com
  • 基金资助:
    本文由农业部行业科技专项(201303111))资助

Allelopathic effects of phenolic compounds of ginseng root rhizosphere on Cylindrocarpon destructans.

LI Zi-bo, ZHOU Ru-jun, XIE Yu-jiao, FU Jun-fan   

  1. College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China
  • Received:2016-03-04 Online:2016-11-18 Published:2016-11-18
  • Contact: E-mail: fujunfan@163.com
  • Supported by:
    This study was supported by the Scientific Special Project of Department of Agriculture of China (201303111).

摘要: 采用高效液相色谱法对人参连作根际土壤中的酚酸物质进行了分离鉴定,检测发现人参根际土壤中含有没食子酸、水杨酸、3-苯基丙酸、苯甲酸和肉桂酸5种酚酸物质.采用外源添加法研究该5种酚酸物质对人参锈腐病菌的化感效应.结果表明: 5种酚酸对人参锈腐病菌的菌丝生长和孢子萌发都表现出高浓度抑制、低浓度促进的作用.没食子酸、水杨酸和苯甲酸在0.5 mmol·L-1处理浓度下,3-苯基丙酸和肉桂酸在0.05 mmol·L-1处理浓度下,均能够显著促进人参锈腐病菌菌丝生长和孢子萌发,并显著加重人参锈腐病病害严重度.

关键词: 人参根际土壤, 酚酸物质, 人参锈腐病, 化感效应, 连作障碍

Abstract: In this study, five phenolic compounds of ginseng rhizosphere soil were identified by HPLC, including gallic acid, salicylic acid, 3-phenylpropionic acid, benzoic acid and cinnamic acid. The results show that five phenolic compounds inhibited mycelium growth and spore germination at high concentration, but promoted mycelium growth and spore germination at low concentration. Gallic acid, salicylic acid, benzoic acid of 0.5 mmol·L-1 and 3-phenylpropionic acid, cinnamic acid of 0.05 mmol·L-1 could significantly promote the spore germination, mycelium growth and disease severity of Cylindrocarpon destructans.

Key words: root rot of ginseng, allelopathic effect, phenolic compounds, ginseng rhizosphere, continuous cropping obstacle