8Halisky P.M,Siddiqui M W and Anderson J C.Corn (maize) virus in the continental United States and Canada.U.S.Dept.Agri.,Agric.Res.Serv.1968,(Pub):33～118.
9Chen J,Chen JP,Adams MJ.Characterisation of potyviruses from sugarcane and maize in China.Archives of Virology,2002,147:1237-1246.
10Heinrichs E A,Rapusas H R,Aquino G B,et al.Integration of host plant resistance and insecticides in the control of Nephotettix virescens (Homoptera:Cicadellidae),a vector of rice tungro virus.J.Econ.Entomol,1986,79:437-443.
