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甘薯丛枝病在我国东南沿海主薯区流行多年,发病率高,是影响我国甘薯产量和品质的一个主要限制因子。其典型症状是植株叶小、褪绿、矮缩和侧枝丛生。甘薯丛枝病病原物是一种类菌质体(Mycoplasma-like organism,MLO),现在国际上统称植原体(Phytoplasma)。
Sweetpotato witches’ broom disease has been prevailing in the main potato area of southeast coast of our country for many years with high incidence, which is one of the main limiting factors affecting the yield and quality of sweet potato in China. The typical symptoms are small leaves, chlorosis, dwarfing and collateral. The pathogen of sweetpotato bush is a kind of Mycoplasma-like organism (MLO), which is now internationally known as Phytoplasma.