How to identify and control Rhizosphaera needlecast
By: Darroll D. Skilling
Contributors: North Central Forest Experiment Station (Saint Paul, Minn.); United States. Forest Service
Edition: [Rev. 1978.]
Publisher: Dept. of Agriculture, Fores Service, North Central Forest Experiment Station
Published: 1978
Place of publication: [St. Paul, Minn.]
Language: eng
Subjects: Pine -- Diseases and pests -- United States; Spruce -- Diseases and pests -- United States