TY - BOOK AU - Singh, R. S. TI - Introduction to principles of plant pathology SN - 8120401786 U1 - 581.2 PY - 1991/// CY - New Delhi PB - Oxford & IBH KW - Botany N1 - Introduction; History of plant pathology; Causes of plant diseases; Symptoms and identification of plant diseases; Survival of plant pathogens; Dispersal of plant pathogens; The phenomenon of infection; Epidemiology; Effect of infection on physiology of the host; Role of toxins in plant parthenogenesis; Defense mechanics in plants; Genetics and variability of plants pathogens; Genetics and molecular basis of host-parasite interaction; Effect of environment on parthenogenesis ER -