WANG Xue,WANG Jing,GAO Jie,et al.Biological Characteristics of the Pathogen and Fungicides Screening in Laboratory for Schisandra chinensis Brown Leaf Spot Caused by Phoma glomerata[J].Northern Horticulture,2013,37(07):142-145.
五味子褐斑病病原菌生物学特性研究
- Title:
- Biological Characteristics of the Pathogen and Fungicides Screening in Laboratory for Schisandra chinensis Brown Leaf Spot Caused by Phoma glomerata
- 文章编号:
- 1001-0009(2013)07-0142-04
- 分类号:
- S 567.1+9
- 文献标志码:
- A
- 摘要:
- 在吉林省东部山区栽培的五味子（Schisandra chinensis (Turcz.) Baill）上发现了一种新的叶部病害，在对病原菌鉴定的基础上，对其生物学特性进行了系统的研究。结果表明：最适于菌丝生长和产孢的培养基为PDA+五味子煎汁培养基，最适碳源为半乳糖，最适氮源为硫酸铵，最适温度为25℃，最适pH 6.0。分生孢子萌发最低相对湿度为90%，最适pH 7.0，24 h光照和自然光照有利于孢子萌发，菌丝致死温度为46℃，分生孢子的致死温度为38℃。
- Abstract:
- A new leaf disease on Schisandra chinensis (Turcz.) Baill were observed in commercial fields in the east mountain area of Jilin Province，China.Based on identification of pathogens，biological characteristics of the pathogen were studied.The results showed that the optimum medium was Potato dextrose agar (PDA)+Juice，the optimum carbon and nitrogen sources for colony growth and sporulation were galactose and (NH4)2SO4，the optimum temperature and pH for colony growth and sporulation were 25℃ and 6.0 respectively.The conidial germination was better at pH 7.0 and full illumination or natural light，the conidial failed to germinate if relative humidity was less than 90%，and the lethal temperature for hypha and conidia were 46℃ and 38℃.
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备注/Memo
第一作者简介：王雪（1981-），女，博士，讲师，研究方向为植物病害综合防治。E-mail:wangxue813@126.com.