论文部分内容阅读
刚竹(Phyllostachys bambusoidesSieb & Zucc.)鸟巢病也称刚竹雀巢病、扫帚病或丛枝病,是华东地区较常见的病害。病株小枝丛生,形如鸟巢;丛生枝较细弱,节间缩短,叶畸变呈雀舌或鳞片状;每年夏季,在尚未枯死的病枝顶端叶鞘内会有白色米粒状的异物出现。病株往往早衰、枯死,严重时整个竹林衰败(图1、2)。1979年2月起,我们用光学显微镜和电子显微镜检查病株组织,发现有支原体。一、方法(一)光学显微
Bamboo (Phyllostachys bambusoidesSieb & Zucc.) Bird’s Nest Disease Also known as bamboo sparrow disease, broom disease or brooms disease, is a more common disease in East China. Branches of diseased plants clustered, shaped like a bird’s nest; tufted branches were weaker, internodes shortened, leaf defects were sparrows or scales; summer each year, there is a white rice-like foreign bodies appear in the top of the diseased sheath sheath. The diseased plants are often premature, dead, and severely decayed throughout the bamboo (Figure 1, 2). Since February 1979, we examined the diseased tissue with light microscope and electron microscope and found that mycoplasma. First, the method (a) optical microscopy