This course focuses on important plant-parasitic nematodes on crops. The covered topics include current nematode occurrence status, general knowledge of nematode morphology, basic biology and epidemiology, nematode vector of virus, nematode and virus detection and their association, field sampling, early detection, identification and enumeration, molecular diagnostics of nematode species, nematode data interpretation, real-world problems and scenarios, and management strategies. Critical discussion on the nematode problems and scenarios and practical application of the knowledge will be conducted. Dual-listing: PPTH 642.