Subtropical Plant Science ›› 1996, Vol. 25 ›› Issue (01): 32-34.

Previous Articles     Next Articles

A Preliminary Report on the Histopathologic Observations of Loquat Leaf Parch Blight Disease

Lin Youjian1, Gao Quanzhun2, Hu Cuifeng1, Gao Rixia1   

  1. 1. Department of Plant Protection, Fujian Agricultural University, Fuzhou 350002;
    2. Xiamen Bureau of Animal and Plant Quarantine, Xiamen 361000
  • Received:1995-09-28 Online:1996-03-10 Published:1996-03-10

枇杷叶尖焦枯病叶脉组织电镜观察初报

林尤剑1,高泉准2,胡翠凤1,高日霞1   

  1. 1. 福建农业大学植物保护系, 福州 350002;
    2. 厦门动植物检疫局, 厦门 361000

Abstract: The histopathologic observations of the veins infected with loquat leaf parch blight disease were carried out by ultrathin section and electronmicroscope technique.The results revealed that there was a large number of mycelioid organisms of bodies in the phloem cells of the veins infected with the disease,but not in the healthy ones.The mycelioid organisms were 37~100×1500~? nm in sizes,but their naturel was still unknown.It was considered that the disease might be associated with the organisms.

Key words: Loquat, Leaf parch blight disease, Histopathology, Electron-microscope observation

摘要: 用超薄切片和电镜观察技术,对枇杷叶尖焦枯病进行组织病理学观察。结果发现,病株叶脉韧皮部的筛管及伴胞内有大量丝状菌体状物存在,其大小为37~100×1500~?nm,横切面形态为近圆形、椭圆形或不规则短杆状,纵切面形态为菌丝状,而对照的无病实生苗木中则无。据此初步认为,丝状菌体状物可能与枇杷叶尖焦枯病的发生有关。

关键词: 枇杷, 叶尖焦枯病, 组织病理学, 电镜观察