The standard work of phytomedicine - Phytomedicine at the cutting edge - for Bachelor and Master students presents concentrated expert knowledge from leading phytomedical experts. This textbook covers the basics of systematics, biology (development), ecology, and harmful effects of all phytomedically relevant pest groups, including viruses, microorganisms, nematodes, arthropods, and weeds. It describes the fundamental mechanisms of interaction between pests and crop plants, as well as the population ecology of pests, including population growth and space/time dynamics, based on the current state of knowledge. The book also explains modern methods for diagnosing pests and various control methods, including prophylactic, physical, breeding, biological, chemical, and integrated approaches.