TY - BOOK AU - Bohra, A TI - Virus diseases of plants SN - 9788177544930 U1 - 632.8 PY - 2013/// CY - Jodhpur PB - Agrobios (India) KW - Classification of viruse KW - Virus purification and assays KW - Relation of a virus to its host plant KW - Hostology and cytology of virus diseased plant KW - Properties of the virus extract ER -