TY - BOOK AU - Gupta , V.K. AU - Satish K. Sharma TI - Diseases of fruit crops SN - 81-7663-616-9 U1 - 632 PY - 2000/// CY - Chennai PB - Kalyani KW - scab rust sooty mould base root soft root N1 - scab rust sooty mould base root soft root N2 - it deals with the diseases caused by biotic factors such as fungi, bacteria, viruses , viroid phytoplasmas and nematodes ER -