鱼尾葵叶斑病病原菌的基础生物学特性  

Biological Characters of Coniothyrium palmarun Corda Causing Leaf Spot of Caryota ochlandra

作　　者：郑肖兰[1,2,3] 余贤美[1] 吴伟怀[1] 李锐[1] 鄢小宁[1] 韩佳宇[4] 贺春萍[1,2,3] 

机构地区：[1]中国热带农业科学院环境与植物保护研究所,海南儋州571737 [2]农业部热带农林有害生物入侵监测与控制重点开放实验室,海南儋州571737 [3]海南省热带农业有害生物检测监控重点实验室,海南儋州571737 [4]海南大学环境与植物保护学院,海南儋州571737

出　　处：《热带作物学报》2009年第11期1679-1683,共5页Chinese Journal of Tropical Crops

基　　金：中央级公益性科研院所基本科研业务专项资助项目(No.2009hzs1J015)资助

摘　　要：对鱼尾葵叶斑病病原（Coniothyrium palmarun Corda）进行基础生物学特性研究。结果表明：致病菌CW6对发病有明显影响 CW6为棕榈盾壳霉（C.palmarun Corda） 该菌生长温度为10-35℃,最适温度为28℃ 生长的适宜pH值为5 光照对菌丝生长无显著影响 菌丝生长最佳碳源为L-果糖,最佳氮源为L-脯氨酸 致死温度为40℃。A strain CW6 of Coniothyrium palmarun Corda was isolated from Caryota ochlandra and its biological characteristics were tested. The results showed that the pathogen strain CW6 displayed slow hyphal growth. The temperature favourable for the hyphal growth of this pathogen ranged between 10 ℃ and 35 ℃, the optimum temperature being 28 ℃, and the optimum pH 5. The light did not have obvious impact on the hyphal growth. The optimum carbon source for mycelial growth was L-fructose, and the best nitrogen source was L-proline. The lethal temperature for the pathogen was 40 ℃.

关 键 词：鱼尾葵 叶斑病 病原菌鉴定 生物学特性 

分 类 号：S436.3[农业科学—农业昆虫与害虫防治]