The book discusses the most important issues of protecting plantings from pests and diseases. Basic information on entomology and phytopathology, a description of the most common pests and diseases of green spaces are given. Methods and means of combating harmful organisms are shown, recommendations for the use of pesticides are given and safety measures are indicated. The book is intended for students of secondary specialized educational institutions in the specialty "Gardening and landscape construction," green construction workers and specialists in protecting green spaces from pests and diseases.