This handbook investigates the identification, biology, and management of biological threats affecting tree seedlings in nursery environments. The United States Department of Agriculture provides this technical resource to assist foresters and nursery managers in mitigating losses caused by insects, diseases, and environmental stressors. The text utilizes a systematic approach to categorize pests by host species and symptomology to facilitate rapid field diagnosis.

Experts recognize this handbook as a foundational technical reference for silviculture and nursery operations. Readers frequently note the clinical density of the prose and the practical utility of the diagnostic illustrations provided throughout the manual.