Research Article
Three Viroids Frequency Naturally Infecting Grapevine in Egypt
Department of Botany, Faculty of Science, Benha University, Benha, Egypt
K.A. El-Dougdoug
Department of Microbiology, Faculty of Agriculture, Ain Shams University, Shoubra, Egypt
B.A. Othman
Department of Microbiology, Faculty of Agriculture, Ain Shams University, Shoubra, Egypt
S.A. Ahmed
Department of Botany, Faculty of Science, Benha University, Benha, Egypt
S.H. Abdel-Aziz
Department of Botany, Faculty of Science, Benha University, Benha, Egypt