橡胶树茎干溃疡病肖永清，杨雄飞，李加智（云南省热带作物科学研究所）茎干溃疡病是云南垦区近年来常见的一种橡胶树病害，自１９６２年在景洪橡胶幼苗（茎基部）首次发现之后，７０年代陆续在开割树上发现，近年来随着季风性落叶病的扩散和加重，此病的危害日趋突出，已... Stem canker ulcer disease Yongyong Xiong, Yongxiong Yang, Li Jizhi (Yunnan Institute of Tropical Crops) Stem canker disease is a common rubber tree disease in recent years in Yunnan reclamation area. It was first discovered in Jinghong rubber seedlings (stem base) in 1962. Later, in the 1970s, one after another in the cut tree found in recent years with the proliferation and aggravation of monsoon deciduous disease, the disease has become increasingly prominent hazards, ...