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对水竹丛枝病的症状和病原进行观察研究表明:水竹丛枝病的典型症状是病枝节间缩短,侧枝、细枝丛生。每年从4月起,在病枝叶鞘内产生白色米粒状子座,5月中旬开始在其外围产生褐色垫状子座:即瘤座菌的有性世代;通过电镜观察,发现在病株同一组织的超薄切片中,同时存在类细菌,类菌原体和真菌菌丝,其中真菌菌丝的形态和大小与病株叶鞘内的瘤座菌子座切片菌丝相似。用分离培养的类细菌培养液针注接种能诱发致病,其症状与自然发病相同。进行再分离,其菌落形态、菌体大小和形态结构均与接种物相似。
The investigation on the symptoms and pathogens of the watery bamboo shoots showed that the typical symptoms of the watery bamboo shoots are the shortening of branches and branches, and the proliferation of branches and twigs. From April each year, white rice-like pedestal is produced in diseased branches and sheaths, and from the middle of May, it produces brown-colored cushions in its periphery: the sexual generation of Occipital bacteria; through electron microscope observation, it is found that in the same tissues Of the same type of bacteria, mycoplasma and fungal mycelium, in which the morphology and size of fungal hyphae of the sheath and mycelial tuberculosis Mycoticis mycelial resection mycelium similar. Inoculation with isolated bacterial culture fluid injection needle can induce disease, the symptoms and the same natural onset. Re-separation, the colony morphology, cell size and morphology are similar with the inoculum.