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当前位置: 首页 > 文章 > 海南菠萝心腐病菌烟草疫霉的生物学特性研究 广东农业科学 2014,41 (2) 98-100+243
Position: Home > Articles > Research on the biological characteristics of Phytophthora nicotianae, a pathogen of heart rot of pineapple in Hainan Guangdong Agricultural Sciences 2014,41 (2) 98-100+243

海南菠萝心腐病菌烟草疫霉的生物学特性研究

作  者：
沈会芳;林壁润;孙光明;蒲小明;陆新华;张景欣;何衍彪;詹儒林
单  位：
中国热带农业科学院南亚热带作物研究所;广东省农科院植物保护研究所/广东省植物保护新技术重点实验室
关键词：
菠萝;心腐病;烟草疫霉;生物学特性
摘  要：
为明确海南菠萝心腐病菌烟草疫霉的生物学特性,研究不同培养基、温度、pH值和光照对病菌菌体生长和孢子囊产生的影响。结果表明,V8汁、胡萝卜两种培养基适宜菌丝生长,而V8汁、玉米粉和番茄3种培养基适合病菌产生孢子囊,尤其是番茄琼脂培养基,可诱导病菌产生大量孢子囊。病菌在10~35℃范围内均可生长,最适温度范围是24~32℃。最适pH值为5~8,在pH值7~8稍偏碱时,菌丝生长速度最快。光照条件对菌丝生长影响不明显,但明显促进孢子囊的产生。
译  名：
Research on the biological characteristics of Phytophthora nicotianae, a pathogen of heart rot of pineapple in Hainan
作  者：
SHEN Hui-fang;LIN Bi-run;SUN Guang-ming;PU Xiao-ming;LU Xin-hua;ZHANG Jing-xin;HE Yan-biao;ZHAN Ru-lin;Institute of Plant Protection, Guangdong Academy of Agricultural Sciences/Key Laboratory of New Technique for Plant Protection in Guangdong;South Subtropical Crops Research Institute,Chinese Academy of Tropical Agricultural Sciences;
关键词：
pineapple;;heart rot;;Phytophthora nicotianae;;biological characteristics
摘  要：
To explore the biological characteristics of Phytophthora nicotianae, a pathogen of heart rot of pineapple in Hainan, effects of different culture medium, temperatures, pH value and illumination on the mycelial growth and sporangium production of pathogen were studied. The results showed that V8 juices and carrot culture medium were suitable for mycelial growth, and V8 juices, corn and tomato culture medium were suitable for sporangium production, especially massive sporangium could be inducted in tomato culture medium. The pathogen could grow under 10~35°C with optimum temperature range of 24 ~32° C. The optimum pH was 5 ~8, mycelia grew fastest when pH value was 7 ~8. Illumination had no significant effect on mycelial growth of the pathogen, but obviously promoted sporangium production.

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