This guide investigates the identification and management of common biological and environmental threats to garden plants. Authors Keith Harris and Stefan Buczacki provide a comprehensive, evidence-based manual designed for both amateur gardeners and professional horticulturists. The text synthesizes decades of botanical research and field observations to offer a structured framework for diagnosing plant health issues and implementing effective control strategies.

The subject matter points to a highly practical, technical resource that serves as a standard reference for plant pathology in a domestic setting. Its reliance on extensive photographic documentation and updated scientific data suggests a focus on diagnostic accuracy and accessible field application for the reader.