TY - SER AU - Li,Z.N. AU - Zhang,L. AU - Liu,P. AU - Bai,Y.B. AU - Yang,X.G. AU - Wu,Y.F. TI - Detection and molecular characterization of cactus witches-broom disease associated with a group 16Srll phytoplasma in northern areas of China KW - CACTO KW - DIAGNÓSTICO KW - DOENÇA DE PLANTA KW - DOENÇA FÚNGICA KW - FUNGO ER -